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MobileGL/MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
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// MobileGL - MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
// Copyright (c) 2025-2026 MobileGL-Dev
// Licensed under the GNU Lesser General Public License v3.0:
// https://www.gnu.org/licenses/gpl-3.0.txt
// https://www.gnu.org/licenses/lgpl-3.0.txt
// SPDX-License-Identifier: LGPL-3.0-only
// End of Source File Header
#include "VulkanRenderer.h"
#include "MG_Backend/DirectGLES/Utils.h"
#include "VertexInputStateFactory.h"
#include "VertexInputStateBuilder.h"
#include "MG_State/GLState/Core.h"
#include "MG_State/GLState/ProgramState/ProgramObject.h"
#include "MG_State/GLState/ProgramState/ShaderObject.h"
#include "MG_State/GLState/SamplerState/SamplerObject.h"
#include "MG_State/GLState/TextureState/TextureObject.h"
#include "MG_Impl/GLImpl/Framebuffer/GL_Framebuffer.h"
#include "MG_Util/Converters/GLToMG/TextureEnumConverter.h"
#include "MG_Util/Converters/MGToVk/RenderStateEnumConverter.h"
#include "MG_Util/Converters/MGToVk/TextureEnumConverter.h"
#include "MG_Util/Math/HalfFloat.h"
#include "MG_Util/Metrics/TextureMetrics.h"
#include <Config.h>
#include <algorithm>
#include <cstdlib>
#include <cstring>
#include <vulkan/utility/vk_format_utils.h>
#include <vulkan/vulkan_core.h>
#ifdef __ANDROID__
#include <sys/system_properties.h>
#endif
#if defined(__APPLE__)
#include <CoreGraphics/CoreGraphics.h>
#include <objc/message.h>
#include <objc/objc.h>
#include <objc/runtime.h>
#endif
namespace MobileGL::MG_Backend::DirectVulkan {
#if defined(__APPLE__)
namespace {
constexpr unsigned long kNSWindowStyleMaskBorderless = 0;
constexpr unsigned long kNSBackingStoreBuffered = 2;
template <typename Fn>
Fn ObjcMsgSend() {
return reinterpret_cast<Fn>(objc_msgSend);
}
id SendId(id receiver, const char* selector) {
return ObjcMsgSend<id (*)(id, SEL)>()(receiver, sel_registerName(selector));
}
void SendVoid(id receiver, const char* selector) {
ObjcMsgSend<void (*)(id, SEL)>()(receiver, sel_registerName(selector));
}
void SendVoidBool(id receiver, const char* selector, bool value) {
ObjcMsgSend<void (*)(id, SEL, bool)>()(receiver, sel_registerName(selector), value);
}
void SendVoidId(id receiver, const char* selector, id value) {
ObjcMsgSend<void (*)(id, SEL, id)>()(receiver, sel_registerName(selector), value);
}
void SendVoidCGRect(id receiver, const char* selector, CGRect value) {
ObjcMsgSend<void (*)(id, SEL, CGRect)>()(receiver, sel_registerName(selector), value);
}
void SendVoidCGSize(id receiver, const char* selector, CGSize value) {
ObjcMsgSend<void (*)(id, SEL, CGSize)>()(receiver, sel_registerName(selector), value);
}
id Retain(id object) {
return object ? SendId(object, "retain") : nil;
}
void Release(id object) {
if (object) {
SendVoid(object, "release");
}
}
void* CreateInternalMetalLayer(Uint32 width, Uint32 height, void** outWindow) {
const auto surfaceWidth = static_cast<CGFloat>(std::max<Uint32>(width, 1));
const auto surfaceHeight = static_cast<CGFloat>(std::max<Uint32>(height, 1));
id windowClass = reinterpret_cast<id>(objc_getClass("NSWindow"));
id metalLayerClass = reinterpret_cast<id>(objc_getClass("CAMetalLayer"));
MOBILEGL_ASSERT(windowClass && metalLayerClass,
"Failed to resolve NSWindow/CAMetalLayer for DirectVulkan pbuffer");
CGRect frame = {{0.0, 0.0}, {surfaceWidth, surfaceHeight}};
id window = SendId(windowClass, "alloc");
window = ObjcMsgSend<id (*)(id, SEL, CGRect, unsigned long, unsigned long, bool)>()(
window, sel_registerName("initWithContentRect:styleMask:backing:defer:"),
frame, kNSWindowStyleMaskBorderless, kNSBackingStoreBuffered, true);
MOBILEGL_ASSERT(window, "Failed to create hidden NSWindow for DirectVulkan pbuffer");
id contentView = SendId(window, "contentView");
MOBILEGL_ASSERT(contentView, "Failed to query hidden NSWindow contentView");
SendVoidBool(contentView, "setWantsLayer:", true);
id metalLayer = SendId(metalLayerClass, "layer");
MOBILEGL_ASSERT(metalLayer, "Failed to create hidden CAMetalLayer for DirectVulkan pbuffer");
Retain(metalLayer);
SendVoidCGRect(metalLayer, "setFrame:", frame);
SendVoidCGSize(metalLayer, "setDrawableSize:", frame.size);
SendVoidId(contentView, "setLayer:", metalLayer);
*outWindow = window;
return metalLayer;
}
} // namespace
#endif
static Bool IsPowerVRDevice(const VkPhysicalDeviceProperties& properties) {
return std::strstr(properties.deviceName, "PowerVR") != nullptr;
}
static VkPipelineColorBlendAttachmentState MakeColorBlendAttachmentState(
Bool blendEnable,
VkBlendFactor srcColorBlendFactor,
VkBlendFactor dstColorBlendFactor,
VkBlendOp colorBlendOp,
VkBlendFactor srcAlphaBlendFactor,
VkBlendFactor dstAlphaBlendFactor,
VkBlendOp alphaBlendOp,
VkColorComponentFlags colorWriteMask) {
VkPipelineColorBlendAttachmentState attachment{};
attachment.blendEnable = blendEnable ? VK_TRUE : VK_FALSE;
attachment.srcColorBlendFactor = srcColorBlendFactor;
attachment.dstColorBlendFactor = dstColorBlendFactor;
attachment.colorBlendOp = colorBlendOp;
attachment.srcAlphaBlendFactor = srcAlphaBlendFactor;
attachment.dstAlphaBlendFactor = dstAlphaBlendFactor;
attachment.alphaBlendOp = alphaBlendOp;
attachment.colorWriteMask = colorWriteMask;
return attachment;
}
static Bool IsDualSourceBlendFactor(BlendFactor v) {
switch (v) {
case BlendFactor::Src1Color:
case BlendFactor::OneMinusSrc1Color:
case BlendFactor::Src1Alpha:
case BlendFactor::OneMinusSrc1Alpha:
return true;
default:
return false;
}
}
static Bool ShouldUseTransientVertexIndexBuffer(const MG_State::GLState::BufferObject& bufferObject) {
switch (bufferObject.GetUsage()) {
case BufferUsage::StreamDraw:
case BufferUsage::StreamRead:
case BufferUsage::StreamCopy:
case BufferUsage::DynamicDraw:
case BufferUsage::DynamicRead:
case BufferUsage::DynamicCopy:
return true;
case BufferUsage::StaticDraw:
case BufferUsage::StaticRead:
case BufferUsage::StaticCopy:
default:
return false;
}
}
static VkColorComponentFlags GetSupportedColorWriteMaskForComponentCount(SizeT componentCount) {
switch (componentCount) {
case 1:
return VK_COLOR_COMPONENT_R_BIT;
case 2:
return VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT;
case 3:
return VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT;
case 4:
return VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
default:
MOBILEGL_ASSERT(false,
"GetSupportedColorWriteMaskForComponentCount: unsupported componentCount=%zu",
componentCount);
return 0;
}
}
static Float ResolveColorClearAlpha(const MG_State::GLState::ITextureObject* texture, Float requestedAlpha) {
if (texture != nullptr && MG_Util::GetBaseInternalFormatComponentCount(texture->GetFormat()) == 3) {
return 1.0f;
}
return requestedAlpha;
}
static Bool IsQuarterTurnPreTransform(VkSurfaceTransformFlagBitsKHR preTransform) {
return preTransform == VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR ||
preTransform == VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR;
}
static IntVec2 ResolveDefaultFramebufferLogicalExtent(VkSurfaceTransformFlagBitsKHR preTransform,
const IntVec2& rawExtent) {
if (IsQuarterTurnPreTransform(preTransform)) {
return {rawExtent.y(), rawExtent.x()};
}
return rawExtent;
}
static Int ScaleFramebufferCoordinate(Int value, Int fromExtent, Int toExtent) {
if (fromExtent <= 0 || toExtent <= 0) {
return value;
}
return static_cast<Int>((static_cast<Int64>(value) * toExtent + fromExtent / 2) / fromExtent);
}
static void ApplyGLViewportState(VkCommandBuffer commandBuffer,
const IntVec2& framebufferExtent,
VkSurfaceTransformFlagBitsKHR preTransform,
Bool isDefaultFramebuffer) {
const IntVec4& viewportState = MG_State::pGLContext->GetViewport();
const FloatVec2& depthRange = MG_State::pGLContext->GetDepthRange();
const IntVec2 logicalExtent = isDefaultFramebuffer
? ResolveDefaultFramebufferLogicalExtent(preTransform, framebufferExtent)
: framebufferExtent;
Int viewportX = viewportState.x();
Int viewportY = viewportState.y();
Int viewportWidth = viewportState.z() > 0 ? viewportState.z() : logicalExtent.x();
Int viewportHeight = viewportState.w() > 0 ? viewportState.w() : logicalExtent.y();
if (isDefaultFramebuffer && IsQuarterTurnPreTransform(preTransform)) {
viewportX = ScaleFramebufferCoordinate(viewportX, logicalExtent.x(), framebufferExtent.x());
viewportY = ScaleFramebufferCoordinate(viewportY, logicalExtent.y(), framebufferExtent.y());
viewportWidth = ScaleFramebufferCoordinate(viewportWidth, logicalExtent.x(), framebufferExtent.x());
viewportHeight = ScaleFramebufferCoordinate(viewportHeight, logicalExtent.y(), framebufferExtent.y());
}
VkViewport viewport{};
viewport.x = static_cast<float>(viewportX);
viewport.y = static_cast<float>(viewportY);
viewport.width = static_cast<float>(viewportWidth);
viewport.height = static_cast<float>(viewportHeight);
viewport.minDepth = depthRange.x();
viewport.maxDepth = depthRange.y();
vkCmdSetViewport(commandBuffer, 0, 1, &viewport);
}
static void ApplyBlendConstants(VkCommandBuffer commandBuffer) {
const FloatVec4& blendColor = MG_State::pGLContext->GetBlendColor();
const float blendConstants[4] = {
blendColor.x(),
blendColor.y(),
blendColor.z(),
blendColor.w(),
};
vkCmdSetBlendConstants(commandBuffer, blendConstants);
}
static Bool DrawModeUsesPolygonFill(GLenum mode) {
switch (mode) {
case GL_TRIANGLES:
case GL_TRIANGLE_STRIP:
case GL_TRIANGLE_FAN:
return true;
default:
return false;
}
}
static void ApplyPolygonOffsetState(VkCommandBuffer commandBuffer) {
vkCmdSetDepthBias(commandBuffer, MG_State::pGLContext->GetPolygonOffsetUnits(), 0.0f,
MG_State::pGLContext->GetPolygonOffsetFactor());
}
static void ApplyLineWidthState(VkCommandBuffer commandBuffer) {
Float lineWidth = MG_State::pGLContext->GetLineWidth();
if (MG_Backend::pActiveBackendObject != nullptr) {
const auto& dynamicParameters = MG_Backend::pActiveBackendObject->GetDynamicParameters();
const Float minLineWidth = dynamicParameters.AliasedLineWidthRangeMin;
const Float maxLineWidth = dynamicParameters.AliasedLineWidthRangeMax;
if (lineWidth < minLineWidth) {
lineWidth = minLineWidth;
} else if (lineWidth > maxLineWidth) {
lineWidth = maxLineWidth;
}
}
vkCmdSetLineWidth(commandBuffer, lineWidth);
}
static VkRect2D MakeClampedScissorRect(const IntVec4& scissorBox, const IntVec2& framebufferExtent) {
const Int x0 = std::max<Int>(0, scissorBox.x());
const Int y0 = std::max<Int>(0, scissorBox.y());
const Int x1 = std::min<Int>(framebufferExtent.x(), scissorBox.x() + std::max<Int>(0, scissorBox.z()));
const Int y1 = std::min<Int>(framebufferExtent.y(), scissorBox.y() + std::max<Int>(0, scissorBox.w()));
VkRect2D scissor{};
scissor.offset = {x0, y0};
scissor.extent = {
static_cast<Uint32>(std::max<Int>(0, x1 - x0)),
static_cast<Uint32>(std::max<Int>(0, y1 - y0)),
};
return scissor;
}
static VkRect2D MakeDefaultFramebufferScissorRect(const IntVec4& scissorBox,
const IntVec2& framebufferExtent,
VkSurfaceTransformFlagBitsKHR preTransform) {
if (!IsQuarterTurnPreTransform(preTransform)) {
return MakeClampedScissorRect(scissorBox, framebufferExtent);
}
const IntVec2 logicalExtent = ResolveDefaultFramebufferLogicalExtent(preTransform, framebufferExtent);
const Int logicalX0 = std::max<Int>(0, scissorBox.x());
const Int logicalY0 = std::max<Int>(0, scissorBox.y());
const Int logicalX1 = std::min<Int>(logicalExtent.x(), scissorBox.x() + std::max<Int>(0, scissorBox.z()));
const Int logicalY1 = std::min<Int>(logicalExtent.y(), scissorBox.y() + std::max<Int>(0, scissorBox.w()));
const Int rawX0 = ScaleFramebufferCoordinate(logicalX0, logicalExtent.x(), framebufferExtent.x());
const Int rawY0 = ScaleFramebufferCoordinate(logicalY0, logicalExtent.y(), framebufferExtent.y());
const Int rawX1 = ScaleFramebufferCoordinate(logicalX1, logicalExtent.x(), framebufferExtent.x());
const Int rawY1 = ScaleFramebufferCoordinate(logicalY1, logicalExtent.y(), framebufferExtent.y());
VkRect2D scissor{};
scissor.offset = {std::max<Int>(0, rawX0), std::max<Int>(0, rawY0)};
scissor.extent = {
static_cast<Uint32>(std::max<Int>(0, rawX1 - rawX0)),
static_cast<Uint32>(std::max<Int>(0, rawY1 - rawY0)),
};
return scissor;
}
static void ApplyStencilState(VkCommandBuffer commandBuffer) {
const StencilFaceState& frontStencil = MG_State::pGLContext->GetStencilState(StencilFace::Front);
const StencilFaceState& backStencil = MG_State::pGLContext->GetStencilState(StencilFace::Back);
vkCmdSetStencilCompareMask(commandBuffer, VK_STENCIL_FACE_FRONT_BIT, frontStencil.ValueMask);
vkCmdSetStencilCompareMask(commandBuffer, VK_STENCIL_FACE_BACK_BIT, backStencil.ValueMask);
vkCmdSetStencilWriteMask(commandBuffer, VK_STENCIL_FACE_FRONT_BIT, frontStencil.WriteMask);
vkCmdSetStencilWriteMask(commandBuffer, VK_STENCIL_FACE_BACK_BIT, backStencil.WriteMask);
vkCmdSetStencilReference(commandBuffer, VK_STENCIL_FACE_FRONT_BIT,
static_cast<Uint32>(std::max(frontStencil.Ref, 0)));
vkCmdSetStencilReference(commandBuffer, VK_STENCIL_FACE_BACK_BIT,
static_cast<Uint32>(std::max(backStencil.Ref, 0)));
}
enum class NumericDomain {
Unknown,
FloatLike,
Sint,
Uint,
};
static NumericDomain GetNumericDomainForShaderValueType(GLenum glType) {
switch (glType) {
case GL_FLOAT:
case GL_FLOAT_VEC2:
case GL_FLOAT_VEC3:
case GL_FLOAT_VEC4:
return NumericDomain::FloatLike;
case GL_INT:
case GL_INT_VEC2:
case GL_INT_VEC3:
case GL_INT_VEC4:
return NumericDomain::Sint;
case GL_UNSIGNED_INT:
case GL_UNSIGNED_INT_VEC2:
case GL_UNSIGNED_INT_VEC3:
case GL_UNSIGNED_INT_VEC4:
return NumericDomain::Uint;
default:
return NumericDomain::Unknown;
}
}
static SizeT GetComponentCountForShaderValueType(GLenum glType) {
switch (glType) {
case GL_FLOAT:
case GL_INT:
case GL_UNSIGNED_INT:
return 1;
case GL_FLOAT_VEC2:
case GL_INT_VEC2:
case GL_UNSIGNED_INT_VEC2:
return 2;
case GL_FLOAT_VEC3:
case GL_INT_VEC3:
case GL_UNSIGNED_INT_VEC3:
return 3;
case GL_FLOAT_VEC4:
case GL_INT_VEC4:
case GL_UNSIGNED_INT_VEC4:
return 4;
default:
return 0;
}
}
static NumericDomain GetNumericDomainForVertexFormat(VkFormat format) {
switch (format) {
case VK_FORMAT_R32_SFLOAT:
case VK_FORMAT_R32G32_SFLOAT:
case VK_FORMAT_R32G32B32_SFLOAT:
case VK_FORMAT_R32G32B32A32_SFLOAT:
case VK_FORMAT_R16_SNORM:
case VK_FORMAT_R16G16_SNORM:
case VK_FORMAT_R16G16B16_SNORM:
case VK_FORMAT_R16G16B16A16_SNORM:
case VK_FORMAT_R16_UNORM:
case VK_FORMAT_R16G16_UNORM:
case VK_FORMAT_R16G16B16_UNORM:
case VK_FORMAT_R16G16B16A16_UNORM:
case VK_FORMAT_R16_SSCALED:
case VK_FORMAT_R16G16_SSCALED:
case VK_FORMAT_R16G16B16_SSCALED:
case VK_FORMAT_R16G16B16A16_SSCALED:
case VK_FORMAT_R16_USCALED:
case VK_FORMAT_R16G16_USCALED:
case VK_FORMAT_R16G16B16_USCALED:
case VK_FORMAT_R16G16B16A16_USCALED:
case VK_FORMAT_R8_SNORM:
case VK_FORMAT_R8G8_SNORM:
case VK_FORMAT_R8G8B8_SNORM:
case VK_FORMAT_R8G8B8A8_SNORM:
case VK_FORMAT_R8_UNORM:
case VK_FORMAT_R8G8_UNORM:
case VK_FORMAT_R8G8B8_UNORM:
case VK_FORMAT_R8G8B8A8_UNORM:
case VK_FORMAT_R8_SSCALED:
case VK_FORMAT_R8G8_SSCALED:
case VK_FORMAT_R8G8B8_SSCALED:
case VK_FORMAT_R8G8B8A8_SSCALED:
case VK_FORMAT_R8_USCALED:
case VK_FORMAT_R8G8_USCALED:
case VK_FORMAT_R8G8B8_USCALED:
case VK_FORMAT_R8G8B8A8_USCALED:
return NumericDomain::FloatLike;
case VK_FORMAT_R32_SINT:
case VK_FORMAT_R32G32_SINT:
case VK_FORMAT_R32G32B32_SINT:
case VK_FORMAT_R32G32B32A32_SINT:
case VK_FORMAT_R16_SINT:
case VK_FORMAT_R16G16_SINT:
case VK_FORMAT_R16G16B16_SINT:
case VK_FORMAT_R16G16B16A16_SINT:
case VK_FORMAT_R8_SINT:
case VK_FORMAT_R8G8_SINT:
case VK_FORMAT_R8G8B8_SINT:
case VK_FORMAT_R8G8B8A8_SINT:
return NumericDomain::Sint;
case VK_FORMAT_R32_UINT:
case VK_FORMAT_R32G32_UINT:
case VK_FORMAT_R32G32B32_UINT:
case VK_FORMAT_R32G32B32A32_UINT:
case VK_FORMAT_R16_UINT:
case VK_FORMAT_R16G16_UINT:
case VK_FORMAT_R16G16B16_UINT:
case VK_FORMAT_R16G16B16A16_UINT:
case VK_FORMAT_R8_UINT:
case VK_FORMAT_R8G8_UINT:
case VK_FORMAT_R8G8B8_UINT:
case VK_FORMAT_R8G8B8A8_UINT:
return NumericDomain::Uint;
default:
return NumericDomain::Unknown;
}
}
static Bool TryCoerceVertexFormatNumericDomain(VkFormat sourceFormat,
NumericDomain targetDomain,
VkFormat& outFormat) {
const NumericDomain sourceDomain = GetNumericDomainForVertexFormat(sourceFormat);
if (sourceDomain == targetDomain || targetDomain == NumericDomain::Unknown) {
outFormat = sourceFormat;
return true;
}
if (sourceDomain == NumericDomain::FloatLike) {
return false;
}
switch (sourceFormat) {
case VK_FORMAT_R32_SINT:
if (targetDomain == NumericDomain::Uint) {
outFormat = VK_FORMAT_R32_UINT;
return true;
}
return false;
case VK_FORMAT_R32G32_SINT:
if (targetDomain == NumericDomain::Uint) {
outFormat = VK_FORMAT_R32G32_UINT;
return true;
}
return false;
case VK_FORMAT_R32G32B32_SINT:
if (targetDomain == NumericDomain::Uint) {
outFormat = VK_FORMAT_R32G32B32_UINT;
return true;
}
return false;
case VK_FORMAT_R32G32B32A32_SINT:
if (targetDomain == NumericDomain::Uint) {
outFormat = VK_FORMAT_R32G32B32A32_UINT;
return true;
}
return false;
case VK_FORMAT_R32_UINT:
if (targetDomain == NumericDomain::Sint) {
outFormat = VK_FORMAT_R32_SINT;
return true;
}
return false;
case VK_FORMAT_R32G32_UINT:
if (targetDomain == NumericDomain::Sint) {
outFormat = VK_FORMAT_R32G32_SINT;
return true;
}
return false;
case VK_FORMAT_R32G32B32_UINT:
if (targetDomain == NumericDomain::Sint) {
outFormat = VK_FORMAT_R32G32B32_SINT;
return true;
}
return false;
case VK_FORMAT_R32G32B32A32_UINT:
if (targetDomain == NumericDomain::Sint) {
outFormat = VK_FORMAT_R32G32B32A32_SINT;
return true;
}
return false;
case VK_FORMAT_R16_SINT:
outFormat = targetDomain == NumericDomain::Uint ? VK_FORMAT_R16_UINT : VK_FORMAT_R16_SSCALED;
return true;
case VK_FORMAT_R16G16_SINT:
outFormat = targetDomain == NumericDomain::Uint ? VK_FORMAT_R16G16_UINT : VK_FORMAT_R16G16_SSCALED;
return true;
case VK_FORMAT_R16G16B16_SINT:
outFormat = targetDomain == NumericDomain::Uint ? VK_FORMAT_R16G16B16_UINT : VK_FORMAT_R16G16B16_SSCALED;
return true;
case VK_FORMAT_R16G16B16A16_SINT:
outFormat = targetDomain == NumericDomain::Uint ? VK_FORMAT_R16G16B16A16_UINT : VK_FORMAT_R16G16B16A16_SSCALED;
return true;
case VK_FORMAT_R16_UINT:
outFormat = targetDomain == NumericDomain::Sint ? VK_FORMAT_R16_SINT : VK_FORMAT_R16_USCALED;
return true;
case VK_FORMAT_R16G16_UINT:
outFormat = targetDomain == NumericDomain::Sint ? VK_FORMAT_R16G16_SINT : VK_FORMAT_R16G16_USCALED;
return true;
case VK_FORMAT_R16G16B16_UINT:
outFormat = targetDomain == NumericDomain::Sint ? VK_FORMAT_R16G16B16_SINT : VK_FORMAT_R16G16B16_USCALED;
return true;
case VK_FORMAT_R16G16B16A16_UINT:
outFormat = targetDomain == NumericDomain::Sint ? VK_FORMAT_R16G16B16A16_SINT : VK_FORMAT_R16G16B16A16_USCALED;
return true;
case VK_FORMAT_R8_SINT:
outFormat = targetDomain == NumericDomain::Uint ? VK_FORMAT_R8_UINT : VK_FORMAT_R8_SSCALED;
return true;
case VK_FORMAT_R8G8_SINT:
outFormat = targetDomain == NumericDomain::Uint ? VK_FORMAT_R8G8_UINT : VK_FORMAT_R8G8_SSCALED;
return true;
case VK_FORMAT_R8G8B8_SINT:
outFormat = targetDomain == NumericDomain::Uint ? VK_FORMAT_R8G8B8_UINT : VK_FORMAT_R8G8B8_SSCALED;
return true;
case VK_FORMAT_R8G8B8A8_SINT:
outFormat = targetDomain == NumericDomain::Uint ? VK_FORMAT_R8G8B8A8_UINT : VK_FORMAT_R8G8B8A8_SSCALED;
return true;
case VK_FORMAT_R8_UINT:
outFormat = targetDomain == NumericDomain::Sint ? VK_FORMAT_R8_SINT : VK_FORMAT_R8_USCALED;
return true;
case VK_FORMAT_R8G8_UINT:
outFormat = targetDomain == NumericDomain::Sint ? VK_FORMAT_R8G8_SINT : VK_FORMAT_R8G8_USCALED;
return true;
case VK_FORMAT_R8G8B8_UINT:
outFormat = targetDomain == NumericDomain::Sint ? VK_FORMAT_R8G8B8_SINT : VK_FORMAT_R8G8B8_USCALED;
return true;
case VK_FORMAT_R8G8B8A8_UINT:
outFormat = targetDomain == NumericDomain::Sint ? VK_FORMAT_R8G8B8A8_SINT : VK_FORMAT_R8G8B8A8_USCALED;
return true;
default:
return false;
}
}
template <typename ComponentT>
static Float ConvertIntegerVertexComponentToFloat(ComponentT value, Bool normalized) {
if (!normalized) {
return static_cast<Float>(value);
}
if constexpr (std::is_signed_v<ComponentT>) {
const Float scaled = static_cast<Float>(value) /
static_cast<Float>(std::numeric_limits<ComponentT>::max());
return std::max<Float>(-1.0f, scaled);
} else {
return static_cast<Float>(value) /
static_cast<Float>(std::numeric_limits<ComponentT>::max());
}
}
template <typename ComponentT>
static Bool ConvertIntegerVertexStreamToFloat32(
const MG_State::GLState::VertexAttribute& attribute,
const Uint8* sourceData,
SizeT sourceStride,
SizeT elementCount,
Vector<Float>& outData) {
if (sourceData == nullptr || attribute.Size < 1 || attribute.Size > 4 || sourceStride == 0) {
return false;
}
const SizeT componentCount = static_cast<SizeT>(attribute.Size);
outData.resize(elementCount * componentCount);
for (SizeT element = 0; element < elementCount; ++element) {
const Uint8* sourceElement = sourceData + element * sourceStride;
Float* destinationElement = outData.data() + element * componentCount;
for (SizeT component = 0; component < componentCount; ++component) {
ComponentT value{};
Memcpy(&value, sourceElement + component * sizeof(ComponentT), sizeof(ComponentT));
destinationElement[component] =
ConvertIntegerVertexComponentToFloat(value, attribute.Normalized);
}
}
return true;
}
static Bool ConvertScaledIntegerVertexStreamToFloat32(
const MG_State::GLState::VertexAttribute& attribute,
const Uint8* sourceData,
SizeT sourceStride,
SizeT elementCount,
Vector<Float>& outData) {
switch (attribute.Type) {
case DataType::Int8:
return ConvertIntegerVertexStreamToFloat32<Int8>(
attribute, sourceData, sourceStride, elementCount, outData);
case DataType::Uint8:
return ConvertIntegerVertexStreamToFloat32<Uint8>(
attribute, sourceData, sourceStride, elementCount, outData);
case DataType::Int16:
return ConvertIntegerVertexStreamToFloat32<Int16>(
attribute, sourceData, sourceStride, elementCount, outData);
case DataType::Uint16:
return ConvertIntegerVertexStreamToFloat32<Uint16>(
attribute, sourceData, sourceStride, elementCount, outData);
default:
return false;
}
}
static Bool RepackVertexStream(const Uint8* sourceData,
SizeT sourceStride,
SizeT elementSize,
SizeT elementCount,
Vector<Uint8>& outData) {
if (sourceData == nullptr || sourceStride == 0 || elementSize == 0) {
return false;
}
outData.resize(elementCount * elementSize);
for (SizeT element = 0; element < elementCount; ++element) {
Memcpy(outData.data() + element * elementSize,
sourceData + element * sourceStride,
elementSize);
}
return true;
}
static NumericDomain GetNumericDomainForTextureInternalFormat(TextureInternalFormat format) {
switch (format) {
case TextureInternalFormat::R8I:
case TextureInternalFormat::R16I:
case TextureInternalFormat::R32I:
case TextureInternalFormat::RG8I:
case TextureInternalFormat::RG16I:
case TextureInternalFormat::RG32I:
case TextureInternalFormat::RGB8I:
case TextureInternalFormat::RGB16I:
case TextureInternalFormat::RGB32I:
case TextureInternalFormat::RGBA8I:
case TextureInternalFormat::RGBA16I:
case TextureInternalFormat::RGBA32I:
return NumericDomain::Sint;
case TextureInternalFormat::R8UI:
case TextureInternalFormat::R16UI:
case TextureInternalFormat::R32UI:
case TextureInternalFormat::RG8UI:
case TextureInternalFormat::RG16UI:
case TextureInternalFormat::RG32UI:
case TextureInternalFormat::RGB8UI:
case TextureInternalFormat::RGB16UI:
case TextureInternalFormat::RGB32UI:
case TextureInternalFormat::RGBA8UI:
case TextureInternalFormat::RGBA16UI:
case TextureInternalFormat::RGBA32UI:
case TextureInternalFormat::RGB10A2UI:
return NumericDomain::Uint;
case TextureInternalFormat::DepthComponent:
case TextureInternalFormat::DepthComponent16:
case TextureInternalFormat::DepthComponent24:
case TextureInternalFormat::DepthComponent32:
case TextureInternalFormat::DepthComponent32F:
case TextureInternalFormat::Depth24Stencil8:
case TextureInternalFormat::Depth32FStencil8:
case TextureInternalFormat::DepthStencil:
return NumericDomain::Unknown;
default:
return NumericDomain::FloatLike;
}
}
// Vertex attribute locations are tracked in Uint32 bitmasks, so MAX_VERTEX_ATTRIBS is both the
// state-layer storage bound and the width of every mask below. Keep them in lockstep.
static constexpr Uint32 kMaxVertexAttribs =
static_cast<Uint32>(MG_State::GLState::VertexArrayObject::MAX_VERTEX_ATTRIBS);
static_assert(kMaxVertexAttribs <= 32, "Vertex attribute masks are Uint32");
// The loops below walk locations [0, kMaxVertexAttribs) and index programObj.vertexInputTypes with
// each one, so that array must be at least as wide.
static_assert(kMaxVertexAttribs <= ProgramFactory::VkProgramObject::kMaxVertexInputLocations,
"vertexInputTypes is indexed by vertex attribute location");
static Uint32 BuildVertexInputAttributeMask(const Vector<VkVertexInputAttributeDescription>& attributes) {
Uint32 attributeMask = 0;
for (const auto& attribute : attributes) {
if (attribute.location < kMaxVertexAttribs) {
attributeMask |= (1u << attribute.location);
}
}
return attributeMask;
}
static Bool TryGetCurrentVertexAttributeFormat(GLenum glType, VkFormat& outFormat) {
switch (glType) {
case GL_FLOAT:
outFormat = VK_FORMAT_R32_SFLOAT;
return true;
case GL_FLOAT_VEC2:
outFormat = VK_FORMAT_R32G32_SFLOAT;
return true;
case GL_FLOAT_VEC3:
outFormat = VK_FORMAT_R32G32B32_SFLOAT;
return true;
case GL_FLOAT_VEC4:
outFormat = VK_FORMAT_R32G32B32A32_SFLOAT;
return true;
case GL_INT:
outFormat = VK_FORMAT_R32_SINT;
return true;
case GL_INT_VEC2:
outFormat = VK_FORMAT_R32G32_SINT;
return true;
case GL_INT_VEC3:
outFormat = VK_FORMAT_R32G32B32_SINT;
return true;
case GL_INT_VEC4:
outFormat = VK_FORMAT_R32G32B32A32_SINT;
return true;
case GL_UNSIGNED_INT:
outFormat = VK_FORMAT_R32_UINT;
return true;
case GL_UNSIGNED_INT_VEC2:
outFormat = VK_FORMAT_R32G32_UINT;
return true;
case GL_UNSIGNED_INT_VEC3:
outFormat = VK_FORMAT_R32G32B32_UINT;
return true;
case GL_UNSIGNED_INT_VEC4:
outFormat = VK_FORMAT_R32G32B32A32_UINT;
return true;
default:
return false;
}
}
static Bool TryGetCurrentVertexAttributeUploadPayload(
const MG_State::GLState::CurrentVertexAttributeValue& currentValue,
GLenum glType,
VkFormat& outFormat,
const void*& outData,
VkDeviceSize& outSize) {
switch (glType) {
case GL_FLOAT:
outFormat = VK_FORMAT_R32_SFLOAT;
outData = currentValue.floatValue.data();
outSize = sizeof(Float);
return true;
case GL_FLOAT_VEC2:
outFormat = VK_FORMAT_R32G32_SFLOAT;
outData = currentValue.floatValue.data();
outSize = sizeof(Float) * 2;
return true;
case GL_FLOAT_VEC3:
outFormat = VK_FORMAT_R32G32B32_SFLOAT;
outData = currentValue.floatValue.data();
outSize = sizeof(Float) * 3;
return true;
case GL_FLOAT_VEC4:
outFormat = VK_FORMAT_R32G32B32A32_SFLOAT;
outData = currentValue.floatValue.data();
outSize = sizeof(Float) * 4;
return true;
case GL_INT:
outFormat = VK_FORMAT_R32_SINT;
outData = currentValue.intValue.data();
outSize = sizeof(Int32);
return true;
case GL_INT_VEC2:
outFormat = VK_FORMAT_R32G32_SINT;
outData = currentValue.intValue.data();
outSize = sizeof(Int32) * 2;
return true;
case GL_INT_VEC3:
outFormat = VK_FORMAT_R32G32B32_SINT;
outData = currentValue.intValue.data();
outSize = sizeof(Int32) * 3;
return true;
case GL_INT_VEC4:
outFormat = VK_FORMAT_R32G32B32A32_SINT;
outData = currentValue.intValue.data();
outSize = sizeof(Int32) * 4;
return true;
case GL_UNSIGNED_INT:
outFormat = VK_FORMAT_R32_UINT;
outData = currentValue.uintValue.data();
outSize = sizeof(Uint32);
return true;
case GL_UNSIGNED_INT_VEC2:
outFormat = VK_FORMAT_R32G32_UINT;
outData = currentValue.uintValue.data();
outSize = sizeof(Uint32) * 2;
return true;
case GL_UNSIGNED_INT_VEC3:
outFormat = VK_FORMAT_R32G32B32_UINT;
outData = currentValue.uintValue.data();
outSize = sizeof(Uint32) * 3;
return true;
case GL_UNSIGNED_INT_VEC4:
outFormat = VK_FORMAT_R32G32B32A32_UINT;
outData = currentValue.uintValue.data();
outSize = sizeof(Uint32) * 4;
return true;
default:
return false;
}
}
static const char* VkImageLayoutToString(VkImageLayout layout) {
switch (layout) {
case VK_IMAGE_LAYOUT_UNDEFINED:
return "VK_IMAGE_LAYOUT_UNDEFINED";
case VK_IMAGE_LAYOUT_GENERAL:
return "VK_IMAGE_LAYOUT_GENERAL";
case VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL:
return "VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL";
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL:
return "VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL";
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL:
return "VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL";
case VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL:
return "VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL";
case VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL:
return "VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL";
case VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL:
return "VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL";
case VK_IMAGE_LAYOUT_PRESENT_SRC_KHR:
return "VK_IMAGE_LAYOUT_PRESENT_SRC_KHR";
case VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL:
return "VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL";
case VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL:
return "VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL";
default:
return "VK_IMAGE_LAYOUT_OTHER";
}
}
static Bool ActiveRenderPassUsesTexture(const ActiveRenderPassInfo& activeRenderPass,
const MG_State::GLState::ITextureObject& texture) {
for (const auto& trackedAttachment : activeRenderPass.trackedAttachmentLayouts) {
if (trackedAttachment.target != TrackedAttachmentTarget::Texture) {
continue;
}
const auto trackedTexture = trackedAttachment.texture.lock();
if (trackedTexture && trackedTexture.get() == &texture) {
return true;
}
}
return false;
}
static void RecordClearBufferError(const char* func, ErrorCode code, const char* message) {
MG_State::pGLContext->RecordError(code, MakeUnique<GenericErrorInfo>("DirectVulkan", func, message));
}
static void RecordTextureCopyError(const char* func, ErrorCode code, const char* message) {
MG_State::pGLContext->RecordError(code, MakeUnique<GenericErrorInfo>("DirectVulkan", func, message));
}
static Bool HasDistinctCompleteDepthStencilTextureAttachments(
const MG_State::GLState::FramebufferObject& framebufferObject) {
if (framebufferObject.GetExternalIndex() == 0) {
return false;
}
const auto& depthAttachment = framebufferObject.GetAttachment(FramebufferAttachmentType::Depth);
const auto& stencilAttachment = framebufferObject.GetAttachment(FramebufferAttachmentType::Stencil);
if (!depthAttachment.IsComplete() || !stencilAttachment.IsComplete() ||
!depthAttachment.IsTexture() || !stencilAttachment.IsTexture()) {
return false;
}
return depthAttachment.GetTexture().get() != stencilAttachment.GetTexture().get() ||
depthAttachment.GetTextureUploadTarget() != stencilAttachment.GetTextureUploadTarget() ||
depthAttachment.GetTextureLevel() != stencilAttachment.GetTextureLevel();
}
static Bool IsColorAttachment(FramebufferAttachmentType attachmentType) {
return attachmentType >= FramebufferAttachmentType::Color0 &&
attachmentType <= FramebufferAttachmentType::Color31;
}
static Bool HasUnsupportedCompleteRenderbufferAttachment(
const MG_State::GLState::FramebufferObject& framebufferObject) {
if (framebufferObject.GetExternalIndex() == 0) {
return false;
}
const auto& depthAttachment = framebufferObject.GetAttachment(FramebufferAttachmentType::Depth);
const auto& stencilAttachment = framebufferObject.GetAttachment(FramebufferAttachmentType::Stencil);
if (!depthAttachment.IsComplete() || !stencilAttachment.IsComplete()) {
return false;
}
if (depthAttachment.IsRenderbuffer() && stencilAttachment.IsRenderbuffer()) {
return depthAttachment.GetRenderbuffer().get() != stencilAttachment.GetRenderbuffer().get();
}
if ((depthAttachment.IsRenderbuffer() || stencilAttachment.IsRenderbuffer()) &&
(depthAttachment.IsTexture() || stencilAttachment.IsTexture())) {
return true;
}
return false;
}
static Bool IsUnsupportedFramebufferForDirectVulkan(
const MG_State::GLState::FramebufferObject& framebufferObject) {
// TODO: Revisit this gate when DirectVulkan has full color renderbuffer render/blit/readback support.
return HasDistinctCompleteDepthStencilTextureAttachments(framebufferObject) ||
HasUnsupportedCompleteRenderbufferAttachment(framebufferObject);
}
static void RecordUnsupportedFramebufferError(const char* func) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidFramebufferOperation,
MakeUnique<GenericErrorInfo>(
"DirectVulkan", func,
"DirectVulkan does not support this non-default framebuffer configuration."));
}
static Bool IsValidSampledImageLayout(VkImageLayout layout) {
switch (layout) {
case VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL:
case VK_IMAGE_LAYOUT_GENERAL:
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL:
case VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL:
case VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL:
return true;
default:
return false;
}
}
namespace {
static constexpr Uint32 kDescriptorSetsPerFrame = 64;
static constexpr Uint kHiddenBlitProgramId = 0xFFFFFFF0u;
static constexpr Uint kHiddenBlitVertexShaderId = 0xFFFFFFF1u;
static constexpr Uint kHiddenBlitFragmentShaderId = 0xFFFFFFF2u;
static constexpr Uint kHiddenBlitNearestSamplerId = 0xFFFFFFF3u;
static constexpr Uint kHiddenBlitLinearSamplerId = 0xFFFFFFF4u;
static constexpr Uint kHiddenDepthMipmapProgramId = 0xFFFFFFF5u;
static constexpr Uint kHiddenDepthMipmapVertexShaderId = 0xFFFFFFF6u;
static constexpr Uint kHiddenDepthMipmapFragmentShaderId = 0xFFFFFFF7u;
static constexpr const char* kFullscreenTriangleVertexShaderSource = R"(#version 460 core
uniform vec4 uSrcRect;
uniform vec4 uDstRect;
uniform int uSurfaceTransform;
layout(location = 0) out vec2 vTexCoord;
vec2 ApplySurfaceTransform(vec2 position, int transform) {
vec2 p = position;
p.y = -p.y;
if (transform == 1) {
p = vec2(-p.y, p.x);
} else if (transform == 2) {
p = -p;
} else if (transform == 3) {
p = vec2(p.y, -p.x);
}
return p;
}
void main() {
const vec2 uvTri[3] = vec2[](
vec2(0.0, 0.0),
vec2(2.0, 0.0),
vec2(0.0, 2.0)
);
vec2 uv = uvTri[gl_VertexID];
vec2 dst = uDstRect.xy + uv * uDstRect.zw;
vec2 clip = dst * 2.0 - 1.0;
clip = ApplySurfaceTransform(clip, uSurfaceTransform);
gl_Position = vec4(clip, 0.0, 1.0);
vTexCoord = uSrcRect.xy + uv * uSrcRect.zw;
}
)";
static constexpr const char* kBlitFragmentShaderSource = R"(#version 460 core
layout(binding = 0) uniform sampler2D uSource;
layout(location = 0) in vec2 vTexCoord;
layout(location = 0) out vec4 outColor;
void main() {
outColor = texture(uSource, vTexCoord);
}
)";
static constexpr const char* kDepthMipmapFragmentShaderSource = R"(#version 460 core
layout(binding = 0) uniform sampler2D uSource;
layout(location = 0) in vec2 vTexCoord;
uniform ivec2 uSrcTexelSize;
void main() {
ivec2 srcBase = ivec2(vTexCoord * vec2(uSrcTexelSize));
ivec2 srcMax = uSrcTexelSize - ivec2(1);
float depth0 = texelFetch(uSource, clamp(srcBase, ivec2(0), srcMax), 0).r;
float depth1 = texelFetch(uSource, clamp(srcBase + ivec2(1, 0), ivec2(0), srcMax), 0).r;
float depth2 = texelFetch(uSource, clamp(srcBase + ivec2(0, 1), ivec2(0), srcMax), 0).r;
float depth3 = texelFetch(uSource, clamp(srcBase + ivec2(1, 1), ivec2(0), srcMax), 0).r;
gl_FragDepth = 0.25 * (depth0 + depth1 + depth2 + depth3);
}
)";
static Uint32 ComputeFullMipLevelCount(const IntVec3& baseTexelSize) {
Int maxDimension = std::max<Int>(
baseTexelSize.x(),
std::max<Int>(baseTexelSize.y(), std::max<Int>(baseTexelSize.z(), 1)));
Uint32 mipLevelCount = 1;
while (maxDimension > 1) {
maxDimension = std::max<Int>(maxDimension / 2, 1);
++mipLevelCount;
}
return mipLevelCount;
}
static IntVec3 ComputeMipTexelSize(const IntVec3& baseTexelSize, Uint32 relativeMipLevel) {
const Int width = std::max<Int>(baseTexelSize.x() >> static_cast<Int>(relativeMipLevel), 1);
const Int height = std::max<Int>(baseTexelSize.y() >> static_cast<Int>(relativeMipLevel), 1);
const Int depth = std::max<Int>(baseTexelSize.z() >> static_cast<Int>(relativeMipLevel), 1);
return {width, height, depth};
}
static Bool EnsureGenerateMipmapStorageAllocated(::MobileGL::MG_State::GLState::TextureObjectMipmap& texture,
Uint32 baseMipLevel) {
const Uint32 existingMipLevelCount = static_cast<Uint32>(texture.GetMipmapLevelCount());
if (existingMipLevelCount <= baseMipLevel) {
return false;
}
const auto& uploadTargets = texture.GetUploadTargets();
if (uploadTargets.empty()) {
return false;
}
for (const auto uploadTarget : uploadTargets) {
const IntVec3 baseTexelSize = texture.GetMipmapTexelSize(uploadTarget, baseMipLevel);
const SizeT baseByteSize = texture.GetMipmapByteSize(uploadTarget, baseMipLevel);
if (baseTexelSize.x() <= 0 || baseTexelSize.y() <= 0 || baseTexelSize.z() <= 0 ||
baseByteSize == 0) {
return false;
}
const SizeT baseTexelCount = static_cast<SizeT>(baseTexelSize.x()) *
static_cast<SizeT>(baseTexelSize.y()) *
static_cast<SizeT>(baseTexelSize.z());
if (baseTexelCount == 0 || (baseByteSize % baseTexelCount) != 0) {
return false;
}
const SizeT bytesPerTexel = baseByteSize / baseTexelCount;
const Uint32 requiredMipLevelCount = baseMipLevel + ComputeFullMipLevelCount(baseTexelSize);
if (existingMipLevelCount >= requiredMipLevelCount) {
continue;
}
for (Uint32 level = existingMipLevelCount; level < requiredMipLevelCount; ++level) {
const IntVec3 levelTexelSize = ComputeMipTexelSize(baseTexelSize, level - baseMipLevel);
const SizeT levelByteSize = bytesPerTexel * static_cast<SizeT>(levelTexelSize.x()) *
static_cast<SizeT>(levelTexelSize.y()) *
static_cast<SizeT>(levelTexelSize.z());
texture.AllocateStorage(uploadTarget, level, {levelTexelSize, levelByteSize});
texture.MarkStorageDirty(uploadTarget, level, false);
}
}
return true;
}
static VkImageLayout ResolveGenerateMipmapFinalLayout(VkImageAspectFlags aspectMask) {
return (aspectMask & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) != 0
? VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL
: VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
}
static Bool IsCubeMapFaceUploadTarget(TextureUploadTarget target) {
return target >= TextureUploadTarget::CubeMapPositiveX &&
target <= TextureUploadTarget::CubeMapNegativeZ;
}
static Uint32 ResolveAttachmentBaseArrayLayer(const MG_State::GLState::FramebufferAttachmentObject& attachment) {
const TextureUploadTarget uploadTarget = attachment.GetTextureUploadTarget();
if (!IsCubeMapFaceUploadTarget(uploadTarget)) {
return 0;
}
return static_cast<Uint32>(uploadTarget) - static_cast<Uint32>(TextureUploadTarget::CubeMapPositiveX);
}
enum class BlitSurfaceTransform : Uint32 {
Identity = 0,
Rotate90 = 1,
Rotate180 = 2,
Rotate270 = 3,
};
struct BlitImageBinding {
VkImage image = VK_NULL_HANDLE;
VkImageLayout* trackedLayout = nullptr;
VkImageAspectFlags aspectMask = VK_IMAGE_ASPECT_NONE;
VkFormat format = VK_FORMAT_UNDEFINED;
IntVec2 extent = {0, 0};
Uint32 mipLevel = 0;
Uint32 mipLevelCount = 1;
Uint32 baseArrayLayer = 0;
Uint32 layerCount = 1;
const char* label = nullptr;
};
static Uint32 ComputeMaxProgramBindings(const VkPhysicalDeviceProperties& properties) {
const auto& limits = properties.limits;
static constexpr Uint32 kMinProgramBindings = 16;
static constexpr Uint32 kMaxProgramBindingsCap = 256;
const Uint32 maxCombinedImageSamplers =
std::min(limits.maxPerStageDescriptorSamplers, limits.maxDescriptorSetSamplers);
const Uint32 maxSampledImages =
std::min(limits.maxPerStageDescriptorSampledImages, limits.maxDescriptorSetSampledImages);
const Uint32 maxDynamicUniformBuffers =
std::min(limits.maxPerStageDescriptorUniformBuffers, limits.maxDescriptorSetUniformBuffersDynamic);
Uint32 maxBindings = limits.maxPerStageResources;
maxBindings = std::min(maxBindings, maxCombinedImageSamplers);
maxBindings = std::min(maxBindings, maxSampledImages + maxDynamicUniformBuffers);
maxBindings = std::max(kMinProgramBindings, maxBindings);
maxBindings = std::min(kMaxProgramBindingsCap, maxBindings);
return maxBindings;
}
static void GetImageTransitionSourceState(VkImageLayout oldLayout, VkPipelineStageFlags& outSrcStageMask,
VkAccessFlags& outSrcAccessMask) {
switch (oldLayout) {
case VK_IMAGE_LAYOUT_UNDEFINED:
case VK_IMAGE_LAYOUT_PRESENT_SRC_KHR:
outSrcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
outSrcAccessMask = 0;
break;
case VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL:
outSrcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
outSrcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
break;
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL:
outSrcStageMask = VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT |
VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT;
outSrcAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
break;
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL:
case VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL:
case VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL:
outSrcStageMask = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT;
outSrcAccessMask = VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT;
break;
case VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL:
outSrcStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
outSrcAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
break;
case VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL:
outSrcStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
outSrcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
break;
case VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL:
outSrcStageMask = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT;
outSrcAccessMask = VK_ACCESS_SHADER_READ_BIT;
break;
default:
outSrcStageMask = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
outSrcAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT;
break;
}
}
static void GetImageTransitionDestinationState(VkImageLayout newLayout, VkPipelineStageFlags& outDstStageMask,
VkAccessFlags& outDstAccessMask) {
switch (newLayout) {
case VK_IMAGE_LAYOUT_UNDEFINED:
outDstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
outDstAccessMask = 0;
break;
case VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL:
outDstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
outDstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
break;
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL:
outDstStageMask = VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT |
VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT;
outDstAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
break;
case VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL:
case VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL:
case VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL:
case VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL:
outDstStageMask = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT;
outDstAccessMask = VK_ACCESS_SHADER_READ_BIT;
break;
case VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL:
outDstStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
outDstAccessMask = VK_ACCESS_TRANSFER_READ_BIT;
break;
case VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL:
outDstStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT;
outDstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
break;
case VK_IMAGE_LAYOUT_PRESENT_SRC_KHR:
outDstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
outDstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
break;
default:
outDstStageMask = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
outDstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT;
break;
}
}
static VkImageAspectFlags GetSwapchainDepthStencilAspectMask(const SwapchainObject& swapchainObject) {
VkImageAspectFlags aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
switch (swapchainObject.GetDepthStencilFormat()) {
case VK_FORMAT_D24_UNORM_S8_UINT:
case VK_FORMAT_D32_SFLOAT_S8_UINT:
aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
break;
default:
break;
}
return aspectMask;
}
static FramebufferAttachmentType ResolveFramebufferCopyAttachmentType(
const MG_State::GLState::FramebufferObject& fbo, Bool isReadFramebuffer,
VkImageAspectFlags aspectMask) {
if ((aspectMask & VK_IMAGE_ASPECT_COLOR_BIT) != 0) {
return isReadFramebuffer ? fbo.GetReadBuffer() : fbo.GetDrawBuffers()[0];
}
if ((aspectMask & VK_IMAGE_ASPECT_DEPTH_BIT) != 0) {
return FramebufferAttachmentType::Depth;
}
if ((aspectMask & VK_IMAGE_ASPECT_STENCIL_BIT) != 0) {
return FramebufferAttachmentType::Stencil;
}
return FramebufferAttachmentType::None;
}
static Bool ResolveColorBlitBinding(MG_State::GLState::FramebufferObject& fbo, Bool isReadFramebuffer,
Uint32 swapchainImageIndex, SwapchainObject& swapchainObject,
VkTextureManager& textureManager,
VkRenderPassManager& renderPassManager, BlitImageBinding& outBinding) {
const Bool isDefaultFbo = fbo.IsDefaultFramebuffer();
const FramebufferAttachmentType attachmentType =
isReadFramebuffer ? fbo.GetReadBuffer() : fbo.GetDrawBuffers()[0];
outBinding.label = isReadFramebuffer ? "read" : "draw";
if (isDefaultFbo) {
const Bool defaultColorAttachment =
attachmentType == FramebufferAttachmentType::Color0 ||
(attachmentType >= FramebufferAttachmentType::FrontLeft &&
attachmentType <= FramebufferAttachmentType::BackRight);
if (!defaultColorAttachment) {
MGLOG_E("BlitFramebuffer skipped: default framebuffer color attachment %d is not supported",
static_cast<Int>(attachmentType));
return false;
}
outBinding.image = swapchainObject.GetImage(swapchainImageIndex);
outBinding.trackedLayout = nullptr;
outBinding.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
outBinding.format = swapchainObject.GetSurfaceFormat().format;
const auto extent = swapchainObject.GetExtent();
outBinding.extent = {static_cast<Int>(extent.width), static_cast<Int>(extent.height)};
outBinding.mipLevel = 0;
outBinding.mipLevelCount = 1;
outBinding.baseArrayLayer = 0;
outBinding.layerCount = 1;
return true;
}
if (attachmentType < FramebufferAttachmentType::Color0 || attachmentType > FramebufferAttachmentType::Color31) {
MGLOG_E("BlitFramebuffer only supports color attachments right now (attachment=%d)",
static_cast<Int>(attachmentType));
return false;
}
const auto& attachment = fbo.GetAttachment(attachmentType);
if (!attachment.IsComplete()) {
MGLOG_E("BlitFramebuffer skipped: %s framebuffer color attachment is incomplete",
isReadFramebuffer ? "read" : "draw");
return false;
}
if (attachment.IsRenderbuffer()) {
const auto& renderbuffer = attachment.GetRenderbuffer();
auto* rbResource = renderPassManager.GetOrCreateRenderbufferResource(renderbuffer);
if (rbResource == nullptr || (rbResource->aspect & VK_IMAGE_ASPECT_COLOR_BIT) == 0) {
MGLOG_E("BlitFramebuffer skipped: %s framebuffer color renderbuffer %u is unsupported",
outBinding.label, renderbuffer->GetExternalIndex());
return false;
}
outBinding.image = rbResource->image;
outBinding.trackedLayout = &rbResource->layout;
outBinding.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
outBinding.format = rbResource->format;
outBinding.extent = {static_cast<Int>(rbResource->extent.width),
static_cast<Int>(rbResource->extent.height)};
outBinding.mipLevel = 0;
outBinding.mipLevelCount = 1;
outBinding.baseArrayLayer = 0;
outBinding.layerCount = 1;
return true;
}
if (!attachment.IsTexture()) {
MGLOG_E("BlitFramebuffer skipped: unsupported framebuffer attachment type");
return false;
}
auto* texture = attachment.GetTexture().get();
MOBILEGL_ASSERT(texture != nullptr, "ResolveColorBlitBinding: texture attachment is null");
auto* resource = textureManager.SyncTextureAndGetDescriptor(*texture);
if (resource == nullptr) {
MGLOG_E("BlitFramebuffer skipped: failed to sync %s framebuffer textureId=%d",
outBinding.label, texture->GetExternalIndex());
return false;
}
if ((resource->aspect & VK_IMAGE_ASPECT_COLOR_BIT) == 0) {
MGLOG_E("BlitFramebuffer skipped: %s framebuffer attachment textureId=%d is not a color image",
outBinding.label, texture->GetExternalIndex());
return false;
}
outBinding.image = resource->image;
outBinding.trackedLayout = &resource->layout;
outBinding.aspectMask = resource->aspect;
outBinding.format = resource->format;
const auto attachmentExtent = attachment.GetSize();
outBinding.extent = {attachmentExtent.x(), attachmentExtent.y()};
outBinding.mipLevel = static_cast<Uint32>(std::max(attachment.GetTextureLevel(), 0));
outBinding.mipLevelCount = resource->mipLevels;
outBinding.baseArrayLayer = ResolveAttachmentBaseArrayLayer(attachment);
outBinding.layerCount = 1;
return true;
}
static Bool ResolveFramebufferBlitBinding(MG_State::GLState::FramebufferObject& fbo, Bool isReadFramebuffer,
Uint32 swapchainImageIndex, SwapchainObject& swapchainObject,
VkTextureManager& textureManager,
VkRenderPassManager& renderPassManager,
VkImageAspectFlags requiredAspectMask,
BlitImageBinding& outBinding) {
const Bool isDefaultFbo = fbo.IsDefaultFramebuffer();
const auto attachmentType = ResolveFramebufferCopyAttachmentType(fbo, isReadFramebuffer, requiredAspectMask);
if (attachmentType == FramebufferAttachmentType::None) {
MGLOG_E("BlitFramebuffer skipped: unsupported aspect mask=0x%x",
static_cast<Uint32>(requiredAspectMask));
return false;
}
outBinding.label = isReadFramebuffer ? "read" : "draw";
if (isDefaultFbo) {
const auto extent = swapchainObject.GetExtent();
outBinding.extent = {static_cast<Int>(extent.width), static_cast<Int>(extent.height)};
outBinding.mipLevel = 0;
outBinding.mipLevelCount = 1;
outBinding.baseArrayLayer = 0;
outBinding.layerCount = 1;
outBinding.trackedLayout = nullptr;
if ((requiredAspectMask & VK_IMAGE_ASPECT_COLOR_BIT) != 0) {
outBinding.image = swapchainObject.GetImage(swapchainImageIndex);
outBinding.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
return true;
}
const VkImageAspectFlags swapchainAspectMask = GetSwapchainDepthStencilAspectMask(swapchainObject);
if ((swapchainAspectMask & requiredAspectMask) != requiredAspectMask) {
MGLOG_E("BlitFramebuffer skipped: swapchain depth image missing required aspect mask=0x%x",
static_cast<Uint32>(requiredAspectMask));
return false;
}
outBinding.image = swapchainObject.GetDepthStencilImage(swapchainImageIndex);
outBinding.aspectMask = requiredAspectMask;
return true;
}
const auto& attachment = fbo.GetAttachment(attachmentType);
if (!attachment.IsComplete()) {
MGLOG_E("BlitFramebuffer skipped: %s framebuffer attachment is incomplete", outBinding.label);
return false;
}
if (attachment.IsRenderbuffer()) {
const auto& renderbuffer = attachment.GetRenderbuffer();
auto* rbResource = renderPassManager.GetOrCreateRenderbufferResource(renderbuffer);
if (rbResource == nullptr) {
MGLOG_E("BlitFramebuffer skipped: %s framebuffer renderbuffer %u is unsupported",
outBinding.label, renderbuffer->GetExternalIndex());
return false;
}
if ((rbResource->aspect & requiredAspectMask) != requiredAspectMask) {
MGLOG_E("BlitFramebuffer skipped: %s framebuffer renderbuffer %u is missing aspect mask=0x%x",
outBinding.label, renderbuffer->GetExternalIndex(),
static_cast<Uint32>(requiredAspectMask));
return false;
}
outBinding.image = rbResource->image;
outBinding.trackedLayout = &rbResource->layout;
outBinding.aspectMask = requiredAspectMask;
outBinding.extent = {static_cast<Int>(rbResource->extent.width),
static_cast<Int>(rbResource->extent.height)};
outBinding.mipLevel = 0;
outBinding.mipLevelCount = 1;
outBinding.baseArrayLayer = 0;
outBinding.layerCount = 1;
return true;
}
if (!attachment.IsTexture()) {
MGLOG_E("BlitFramebuffer skipped: unsupported framebuffer attachment type");
return false;
}
auto* texture = attachment.GetTexture().get();
MOBILEGL_ASSERT(texture != nullptr, "ResolveFramebufferBlitBinding: texture attachment is null");
auto* resource = textureManager.SyncTextureAndGetDescriptor(*texture);
if (resource == nullptr) {
MGLOG_E("BlitFramebuffer skipped: failed to sync %s framebuffer textureId=%d",
outBinding.label, texture->GetExternalIndex());
return false;
}
if ((resource->aspect & requiredAspectMask) != requiredAspectMask) {
MGLOG_E("BlitFramebuffer skipped: %s framebuffer attachment textureId=%d is missing aspect mask=0x%x",
outBinding.label, texture->GetExternalIndex(), static_cast<Uint32>(requiredAspectMask));
return false;
}
outBinding.image = resource->image;
outBinding.trackedLayout = &resource->layout;
outBinding.aspectMask = requiredAspectMask;
const auto attachmentExtent = attachment.GetSize();
outBinding.extent = {attachmentExtent.x(), attachmentExtent.y()};
outBinding.mipLevel = static_cast<Uint32>(std::max(attachment.GetTextureLevel(), 0));
outBinding.mipLevelCount = resource->mipLevels;
outBinding.baseArrayLayer = ResolveAttachmentBaseArrayLayer(attachment);
outBinding.layerCount = 1;
return true;
}
static Bool ResolveTextureCopyDestinationBinding(MG_State::GLState::ITextureObject& texture, Uint32 mipLevel,
VkTextureManager& textureManager, BlitImageBinding& outBinding) {
auto* resource = textureManager.SyncTextureAndGetDescriptor(texture);
if (resource == nullptr) {
MGLOG_E("CopyTexSubImage2D skipped: failed to sync destination textureId=%d",
texture.GetExternalIndex());
return false;
}
const VkImageAspectFlags copyAspectMask =
resource->aspect & (VK_IMAGE_ASPECT_COLOR_BIT | VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT);
if (copyAspectMask == 0) {
MGLOG_E("CopyTexSubImage2D skipped: destination textureId=%d uses unsupported aspect mask=0x%x",
texture.GetExternalIndex());
return false;
}
if (mipLevel >= resource->mipLevels) {
MGLOG_E("CopyTexSubImage2D skipped: destination textureId=%d mip=%u out of range (mips=%u)",
texture.GetExternalIndex(), mipLevel, resource->mipLevels);
return false;
}
outBinding.image = resource->image;
outBinding.trackedLayout = &resource->layout;
outBinding.aspectMask = copyAspectMask;
outBinding.extent = {
static_cast<Int>(std::max(1u, resource->extent.width >> mipLevel)),
static_cast<Int>(std::max(1u, resource->extent.height >> mipLevel))};
outBinding.mipLevel = mipLevel;
outBinding.mipLevelCount = 1;
outBinding.baseArrayLayer = 0;
outBinding.layerCount = 1;
outBinding.label = "destination texture";
return true;
}
static Bool ResolveTextureCopySourceBinding(MG_State::GLState::FramebufferObject& fbo, Uint32 swapchainImageIndex,
SwapchainObject& swapchainObject,
VkTextureManager& textureManager,
VkRenderPassManager& renderPassManager,
VkImageAspectFlags requiredAspectMask,
BlitImageBinding& outBinding) {
const Bool isDefaultFbo = fbo.IsDefaultFramebuffer();
const auto attachmentType = ResolveFramebufferCopyAttachmentType(fbo, true, requiredAspectMask);
if (attachmentType == FramebufferAttachmentType::None) {
MGLOG_E("CopyTexSubImage2D skipped: unsupported source aspect mask=0x%x",
static_cast<Uint32>(requiredAspectMask));
return false;
}
outBinding.label = "read";
if (isDefaultFbo) {
const auto extent = swapchainObject.GetExtent();
outBinding.extent = {static_cast<Int>(extent.width), static_cast<Int>(extent.height)};
outBinding.mipLevel = 0;
outBinding.mipLevelCount = 1;
outBinding.baseArrayLayer = 0;
outBinding.layerCount = 1;
outBinding.trackedLayout = nullptr;
if ((requiredAspectMask & VK_IMAGE_ASPECT_COLOR_BIT) != 0) {
outBinding.image = swapchainObject.GetImage(swapchainImageIndex);
outBinding.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
return true;
}
const VkImageAspectFlags swapchainAspectMask = GetSwapchainDepthStencilAspectMask(swapchainObject);
if ((swapchainAspectMask & requiredAspectMask) != requiredAspectMask) {
MGLOG_E("CopyTexSubImage2D skipped: swapchain depth image missing required aspect mask=0x%x",
static_cast<Uint32>(requiredAspectMask));
return false;
}
outBinding.image = swapchainObject.GetDepthStencilImage(swapchainImageIndex);
outBinding.aspectMask = requiredAspectMask;
return true;
}
const auto& attachment = fbo.GetAttachment(attachmentType);
if (!attachment.IsComplete()) {
MGLOG_E("CopyTexSubImage2D skipped: read framebuffer attachment %d is incomplete",
static_cast<Int>(attachmentType));
return false;
}
if (attachment.IsRenderbuffer()) {
const auto& renderbuffer = attachment.GetRenderbuffer();
auto* rbResource = renderPassManager.GetOrCreateRenderbufferResource(renderbuffer);
if (rbResource == nullptr) {
MGLOG_E("CopyTexSubImage2D skipped: read framebuffer renderbuffer %u is unsupported",
renderbuffer->GetExternalIndex());
return false;
}
if ((rbResource->aspect & requiredAspectMask) != requiredAspectMask) {
MGLOG_E("CopyTexSubImage2D skipped: read framebuffer renderbuffer %u aspect mask=0x%x "
"does not satisfy requested mask=0x%x",
renderbuffer->GetExternalIndex(), static_cast<Uint32>(rbResource->aspect),
static_cast<Uint32>(requiredAspectMask));
return false;
}
outBinding.image = rbResource->image;
outBinding.trackedLayout = &rbResource->layout;
outBinding.aspectMask = requiredAspectMask;
outBinding.extent = {static_cast<Int>(rbResource->extent.width),
static_cast<Int>(rbResource->extent.height)};
outBinding.mipLevel = 0;
outBinding.mipLevelCount = 1;
outBinding.baseArrayLayer = 0;
outBinding.layerCount = 1;
return true;
}
if (!attachment.IsTexture()) {
MGLOG_E("CopyTexSubImage2D skipped: unsupported read framebuffer attachment type");
return false;
}
auto* texture = attachment.GetTexture().get();
MOBILEGL_ASSERT(texture != nullptr, "ResolveTextureCopySourceBinding: source texture attachment is null");
auto* resource = textureManager.SyncTextureAndGetDescriptor(*texture);
if (resource == nullptr) {
MGLOG_E("CopyTexSubImage2D skipped: failed to sync read framebuffer textureId=%d",
texture->GetExternalIndex());
return false;
}
if ((resource->aspect & requiredAspectMask) != requiredAspectMask) {
MGLOG_E("CopyTexSubImage2D skipped: read framebuffer textureId=%d aspect mask=0x%x does not satisfy requested mask=0x%x",
texture->GetExternalIndex(), static_cast<Uint32>(resource->aspect),
static_cast<Uint32>(requiredAspectMask));
return false;
}
outBinding.image = resource->image;
outBinding.trackedLayout = &resource->layout;
outBinding.aspectMask = requiredAspectMask;
const auto attachmentExtent = attachment.GetSize();
outBinding.extent = {attachmentExtent.x(), attachmentExtent.y()};
outBinding.mipLevel = static_cast<Uint32>(std::max(attachment.GetTextureLevel(), 0));
outBinding.mipLevelCount = 1;
outBinding.baseArrayLayer = ResolveAttachmentBaseArrayLayer(attachment);
outBinding.layerCount = 1;
return true;
}
static BlitSurfaceTransform ToBlitSurfaceTransform(VkSurfaceTransformFlagBitsKHR preTransform) {
switch (preTransform) {
case VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR:
return BlitSurfaceTransform::Rotate90;
case VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR:
return BlitSurfaceTransform::Rotate180;
case VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR:
return BlitSurfaceTransform::Rotate270;
default:
return BlitSurfaceTransform::Identity;
}
}
static Bool RequiresShaderBlitToDefaultFramebuffer(VkSurfaceTransformFlagBitsKHR preTransform) {
switch (preTransform) {
case VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR:
case VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR:
return true;
default:
return false;
}
}
static void ApplyNativeBlitDefaultFramebufferTransform(VkSurfaceTransformFlagBitsKHR preTransform,
const BlitImageBinding& dstBinding,
VkImageBlit& blitRegion) {
switch (preTransform) {
case VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR:
blitRegion.dstOffsets[0].y = dstBinding.extent.y() - blitRegion.dstOffsets[0].y;
blitRegion.dstOffsets[1].y = dstBinding.extent.y() - blitRegion.dstOffsets[1].y;
break;
case VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR:
blitRegion.dstOffsets[0].x = dstBinding.extent.x() - blitRegion.dstOffsets[0].x;
blitRegion.dstOffsets[1].x = dstBinding.extent.x() - blitRegion.dstOffsets[1].x;
break;
default:
break;
}
}
static Bool DecodeReadbackPixel(const Uint8* source, VkFormat sourceFormat, Float* rgba) {
switch (sourceFormat) {
case VK_FORMAT_R8G8B8A8_UNORM:
case VK_FORMAT_R8G8B8A8_SRGB:
rgba[0] = static_cast<Float>(source[0]) / 255.0f;
rgba[1] = static_cast<Float>(source[1]) / 255.0f;
rgba[2] = static_cast<Float>(source[2]) / 255.0f;
rgba[3] = static_cast<Float>(source[3]) / 255.0f;
return true;
case VK_FORMAT_B8G8R8A8_UNORM:
case VK_FORMAT_B8G8R8A8_SRGB:
rgba[0] = static_cast<Float>(source[2]) / 255.0f;
rgba[1] = static_cast<Float>(source[1]) / 255.0f;
rgba[2] = static_cast<Float>(source[0]) / 255.0f;
rgba[3] = static_cast<Float>(source[3]) / 255.0f;
return true;
case VK_FORMAT_R16G16B16A16_UNORM:
for (SizeT component = 0; component < 4; ++component) {
Uint16 value = 0;
Memcpy(&value, source + component * sizeof(value), sizeof(value));
rgba[component] = static_cast<Float>(value) / 65535.0f;
}
return true;
case VK_FORMAT_R16G16B16A16_SFLOAT:
for (SizeT component = 0; component < 4; ++component) {
Uint16 value = 0;
Memcpy(&value, source + component * sizeof(value), sizeof(value));
rgba[component] = MG_Util::DecodeHalfBitsToFloat(value);
}
return true;
case VK_FORMAT_R32G32B32A32_SFLOAT:
Memcpy(rgba, source, sizeof(Float) * 4);
return true;
// Single- and dual-channel formats the reinterpretation feature makes common
// as readback sources (iterationRP custom images are R32F/R32UI-class).
// Missing channels take GL's defaults: 0 for GB, 1 for alpha.
case VK_FORMAT_R32_SFLOAT: {
Float value = 0.0f;
Memcpy(&value, source, sizeof(value));
rgba[0] = value;
rgba[1] = 0.0f;
rgba[2] = 0.0f;
rgba[3] = 1.0f;
return true;
}
case VK_FORMAT_R32G32_SFLOAT: {
Float values[2] = {0.0f, 0.0f};
Memcpy(values, source, sizeof(values));
rgba[0] = values[0];
rgba[1] = values[1];
rgba[2] = 0.0f;
rgba[3] = 1.0f;
return true;
}
case VK_FORMAT_R32_UINT: {
Uint32 value = 0;
Memcpy(&value, source, sizeof(value));
rgba[0] = static_cast<Float>(value);
rgba[1] = 0.0f;
rgba[2] = 0.0f;
rgba[3] = 1.0f;
return true;
}
case VK_FORMAT_R32_SINT: {
Int32 value = 0;
Memcpy(&value, source, sizeof(value));
rgba[0] = static_cast<Float>(value);
rgba[1] = 0.0f;
rgba[2] = 0.0f;
rgba[3] = 1.0f;
return true;
}
case VK_FORMAT_R16_SFLOAT: {
Uint16 value = 0;
Memcpy(&value, source, sizeof(value));
rgba[0] = MG_Util::DecodeHalfBitsToFloat(value);
rgba[1] = 0.0f;
rgba[2] = 0.0f;
rgba[3] = 1.0f;
return true;
}
case VK_FORMAT_R16G16_SFLOAT:
for (SizeT component = 0; component < 2; ++component) {
Uint16 value = 0;
Memcpy(&value, source + component * sizeof(value), sizeof(value));
rgba[component] = MG_Util::DecodeHalfBitsToFloat(value);
}
rgba[2] = 0.0f;
rgba[3] = 1.0f;
return true;
default:
return false;
}
}
static Uint8 EncodeReadbackUnorm8(Float value) {
if (!(value > 0.0f)) {
return 0;
}
if (value >= 1.0f) {
return 255;
}
return static_cast<Uint8>(value * 255.0f + 0.5f);
}
// Remap raw swapchain pixels (top-left origin, preTransform-rotated) into
// GL-oriented pixels (bottom-left origin) for the retrace snapshot path.
// Mirrors the removed GetPresentedDumpPixel mapping plus the Y-origin flip
// apitrace's flipped=true Image expects. Only identity/180 share the
// swapchain extent with the default framebuffer; 90/270 swap extents and
// are not handled here.
static Bool RemapDefaultFboReadbackToGLOrientation(const Uint8* rawPixels,
VkExtent2D rawExtent,
VkSurfaceTransformFlagBitsKHR preTransform,
SizeT texelSize,
Uint8* outPixels) {
if (IsQuarterTurnPreTransform(preTransform)) {
return false;
}
const Uint32 w = rawExtent.width;
const Uint32 h = rawExtent.height;
if (w == 0 || h == 0) {
return false;
}
for (Uint32 outY = 0; outY < h; ++outY) {
const Uint32 displayY = h - 1 - outY; // GL bottom-origin -> display top-origin
for (Uint32 outX = 0; outX < w; ++outX) {
const Uint32 displayX = outX;
Uint32 rawX = displayX;
Uint32 rawY = displayY;
switch (preTransform) {
case VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR:
rawX = w - 1 - displayX;
rawY = h - 1 - displayY;
break;
default:
break;
}
const Uint8* src = rawPixels + (static_cast<SizeT>(rawY) * w + rawX) * texelSize;
Uint8* dst = outPixels + (static_cast<SizeT>(outY) * w + outX) * texelSize;
Memcpy(dst, src, texelSize);
}
}
return true;
}
static SizeT AlignPixelRow(SizeT rowBytes, Int alignment) {
const SizeT resolvedAlignment = static_cast<SizeT>(std::max(alignment, 1));
return (rowBytes + resolvedAlignment - 1) & ~(resolvedAlignment - 1);
}
static Int GetReadbackChannelCount(GLenum format) {
switch (format) {
case GL_RGB:
case GL_BGR:
return 3;
case GL_RGBA:
case GL_BGRA:
return 4;
default:
return 0;
}
}
static void StoreReadbackPixel(const Float* rgba, GLenum dstFormat, Uint8* dst) {
const Uint8 r = EncodeReadbackUnorm8(rgba[0]);
const Uint8 g = EncodeReadbackUnorm8(rgba[1]);
const Uint8 b = EncodeReadbackUnorm8(rgba[2]);
const Uint8 a = EncodeReadbackUnorm8(rgba[3]);
switch (dstFormat) {
case GL_RGB:
dst[0] = r;
dst[1] = g;
dst[2] = b;
break;
case GL_BGR:
dst[0] = b;
dst[1] = g;
dst[2] = r;
break;
case GL_RGBA:
dst[0] = r;
dst[1] = g;
dst[2] = b;
dst[3] = a;
break;
case GL_BGRA:
dst[0] = b;
dst[1] = g;
dst[2] = r;
dst[3] = a;
break;
default:
break;
}
}
static void StoreReadbackPixelFloat(const Float* rgba, GLenum dstFormat, Float* dst) {
const Float r = rgba[0];
const Float g = rgba[1];
const Float b = rgba[2];
const Float a = rgba[3];
switch (dstFormat) {
case GL_RGB:
dst[0] = r;
dst[1] = g;
dst[2] = b;
break;
case GL_BGR:
dst[0] = b;
dst[1] = g;
dst[2] = r;
break;
case GL_RGBA:
dst[0] = r;
dst[1] = g;
dst[2] = b;
dst[3] = a;
break;
case GL_BGRA:
dst[0] = b;
dst[1] = g;
dst[2] = r;
dst[3] = a;
break;
default:
break;
}
}
// Generic VkFormat texel decode into the wide RGBA row layouts the shared readback
// store expects: GL_FLOAT rows for normalized/float sources, GL_INT / GL_UNSIGNED_INT
// rows for integer sources. Missing channels take GL defaults (0,0,0,1).
enum class ReadbackSourceClass : Uint8 { Unsupported, Float, SignedInt, UnsignedInt };
struct ReadbackSourceDesc {
ReadbackSourceClass sourceClass = ReadbackSourceClass::Unsupported;
Int channels = 0; // component count stored per texel
Int componentBits = 0; // per-component bits for regular formats; 0 for special packed
Bool isSnorm = false;
Bool isSrgb = false;
Bool bgraSwizzle = false;
VkFormat special = VK_FORMAT_UNDEFINED; // set for packed/special formats
};
static Bool GetReadbackSourceDesc(VkFormat format, ReadbackSourceDesc& out) {
out = ReadbackSourceDesc{};
switch (format) {
// --- regular UNORM ---
case VK_FORMAT_R8_UNORM: out = {ReadbackSourceClass::Float, 1, 8}; return true;
case VK_FORMAT_R8G8_UNORM: out = {ReadbackSourceClass::Float, 2, 8}; return true;
case VK_FORMAT_R8G8B8A8_UNORM: out = {ReadbackSourceClass::Float, 4, 8}; return true;
case VK_FORMAT_B8G8R8A8_UNORM: out = {ReadbackSourceClass::Float, 4, 8, false, false, true}; return true;
case VK_FORMAT_R16_UNORM: out = {ReadbackSourceClass::Float, 1, 16}; return true;
case VK_FORMAT_R16G16_UNORM: out = {ReadbackSourceClass::Float, 2, 16}; return true;
case VK_FORMAT_R16G16B16A16_UNORM: out = {ReadbackSourceClass::Float, 4, 16}; return true;
// --- SRGB (decode to linear like GL readback of sRGB textures) ---
// GL GetTexImage/ReadPixels of sRGB textures return the raw sRGB-encoded
// bytes (GL 3.3 has no FRAMEBUFFER_SRGB read decode) - do NOT linearize.
case VK_FORMAT_R8G8B8A8_SRGB: out = {ReadbackSourceClass::Float, 4, 8}; return true;
case VK_FORMAT_B8G8R8A8_SRGB: out = {ReadbackSourceClass::Float, 4, 8, false, false, true}; return true;
// --- SNORM ---
case VK_FORMAT_R8_SNORM: out = {ReadbackSourceClass::Float, 1, 8, true}; return true;
case VK_FORMAT_R8G8_SNORM: out = {ReadbackSourceClass::Float, 2, 8, true}; return true;
case VK_FORMAT_R8G8B8A8_SNORM: out = {ReadbackSourceClass::Float, 4, 8, true}; return true;
case VK_FORMAT_R16_SNORM: out = {ReadbackSourceClass::Float, 1, 16, true}; return true;
case VK_FORMAT_R16G16_SNORM: out = {ReadbackSourceClass::Float, 2, 16, true}; return true;
case VK_FORMAT_R16G16B16A16_SNORM: out = {ReadbackSourceClass::Float, 4, 16, true}; return true;
// --- SFLOAT ---
case VK_FORMAT_R16_SFLOAT: out = {ReadbackSourceClass::Float, 1, 16}; out.special = format; return true;
case VK_FORMAT_R16G16_SFLOAT: out = {ReadbackSourceClass::Float, 2, 16}; out.special = format; return true;
case VK_FORMAT_R16G16B16A16_SFLOAT: out = {ReadbackSourceClass::Float, 4, 16}; out.special = format; return true;
case VK_FORMAT_R32_SFLOAT: out = {ReadbackSourceClass::Float, 1, 32}; out.special = format; return true;
case VK_FORMAT_R32G32_SFLOAT: out = {ReadbackSourceClass::Float, 2, 32}; out.special = format; return true;
case VK_FORMAT_R32G32B32A32_SFLOAT: out = {ReadbackSourceClass::Float, 4, 32}; out.special = format; return true;
// --- UINT ---
case VK_FORMAT_R8_UINT: out = {ReadbackSourceClass::UnsignedInt, 1, 8}; return true;
case VK_FORMAT_R8G8_UINT: out = {ReadbackSourceClass::UnsignedInt, 2, 8}; return true;
case VK_FORMAT_R8G8B8A8_UINT: out = {ReadbackSourceClass::UnsignedInt, 4, 8}; return true;
case VK_FORMAT_R16_UINT: out = {ReadbackSourceClass::UnsignedInt, 1, 16}; return true;
case VK_FORMAT_R16G16_UINT: out = {ReadbackSourceClass::UnsignedInt, 2, 16}; return true;
case VK_FORMAT_R16G16B16A16_UINT: out = {ReadbackSourceClass::UnsignedInt, 4, 16}; return true;
case VK_FORMAT_R32_UINT: out = {ReadbackSourceClass::UnsignedInt, 1, 32}; return true;
case VK_FORMAT_R32G32_UINT: out = {ReadbackSourceClass::UnsignedInt, 2, 32}; return true;
case VK_FORMAT_R32G32B32A32_UINT: out = {ReadbackSourceClass::UnsignedInt, 4, 32}; return true;
// --- SINT ---
case VK_FORMAT_R8_SINT: out = {ReadbackSourceClass::SignedInt, 1, 8}; return true;
case VK_FORMAT_R8G8_SINT: out = {ReadbackSourceClass::SignedInt, 2, 8}; return true;
case VK_FORMAT_R8G8B8A8_SINT: out = {ReadbackSourceClass::SignedInt, 4, 8}; return true;
case VK_FORMAT_R16_SINT: out = {ReadbackSourceClass::SignedInt, 1, 16}; return true;
case VK_FORMAT_R16G16_SINT: out = {ReadbackSourceClass::SignedInt, 2, 16}; return true;
case VK_FORMAT_R16G16B16A16_SINT: out = {ReadbackSourceClass::SignedInt, 4, 16}; return true;
case VK_FORMAT_R32_SINT: out = {ReadbackSourceClass::SignedInt, 1, 32}; return true;
case VK_FORMAT_R32G32_SINT: out = {ReadbackSourceClass::SignedInt, 2, 32}; return true;
case VK_FORMAT_R32G32B32A32_SINT: out = {ReadbackSourceClass::SignedInt, 4, 32}; return true;
// --- packed / special ---
case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
case VK_FORMAT_A2B10G10R10_UINT_PACK32:
case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
case VK_FORMAT_A2R10G10B10_UINT_PACK32:
case VK_FORMAT_B10G11R11_UFLOAT_PACK32:
case VK_FORMAT_E5B9G9R9_UFLOAT_PACK32:
case VK_FORMAT_R5G6B5_UNORM_PACK16:
case VK_FORMAT_B5G6R5_UNORM_PACK16:
case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
case VK_FORMAT_R5G5B5A1_UNORM_PACK16:
case VK_FORMAT_B5G5R5A1_UNORM_PACK16:
case VK_FORMAT_R4G4B4A4_UNORM_PACK16:
case VK_FORMAT_B4G4R4A4_UNORM_PACK16:
out.sourceClass = (format == VK_FORMAT_A2B10G10R10_UINT_PACK32 ||
format == VK_FORMAT_A2R10G10B10_UINT_PACK32) ?
ReadbackSourceClass::UnsignedInt : ReadbackSourceClass::Float;
out.special = format;
return true;
default:
return false;
}
}
static Float SrgbToLinear(Float value) {
if (value <= 0.04045f) {
return value / 12.92f;
}
return std::pow((value + 0.055f) / 1.055f, 2.4f);
}
static Float DecodeUnsignedF11(Uint32 bits) {
const Uint32 exponent = (bits >> 6) & 0x1F;
const Uint32 mantissa = bits & 0x3F;
if (exponent == 0) {
return static_cast<Float>(mantissa) / 64.0f * std::pow(2.0f, -14.0f);
}
if (exponent == 31) {
return mantissa == 0 ? std::numeric_limits<Float>::infinity()
: std::numeric_limits<Float>::quiet_NaN();
}
return (1.0f + static_cast<Float>(mantissa) / 64.0f) *
std::pow(2.0f, static_cast<Float>(static_cast<Int>(exponent)) - 15.0f);
}
static Float DecodeUnsignedF10(Uint32 bits) {
const Uint32 exponent = (bits >> 5) & 0x1F;
const Uint32 mantissa = bits & 0x1F;
if (exponent == 0) {
return static_cast<Float>(mantissa) / 32.0f * std::pow(2.0f, -14.0f);
}
if (exponent == 31) {
return mantissa == 0 ? std::numeric_limits<Float>::infinity()
: std::numeric_limits<Float>::quiet_NaN();
}
return (1.0f + static_cast<Float>(mantissa) / 32.0f) *
std::pow(2.0f, static_cast<Float>(static_cast<Int>(exponent)) - 15.0f);
}
static void DecodeReadbackTexelSpecialFloat(const Uint8* source, VkFormat format, Float* rgba) {
rgba[0] = 0.0f; rgba[1] = 0.0f; rgba[2] = 0.0f; rgba[3] = 1.0f;
switch (format) {
case VK_FORMAT_R16_SFLOAT:
case VK_FORMAT_R16G16_SFLOAT:
case VK_FORMAT_R16G16B16A16_SFLOAT: {
const Int channels = format == VK_FORMAT_R16_SFLOAT ? 1 :
(format == VK_FORMAT_R16G16_SFLOAT ? 2 : 4);
for (Int c = 0; c < channels; ++c) {
Uint16 bits = 0;
Memcpy(&bits, source + static_cast<SizeT>(c) * sizeof(bits), sizeof(bits));
rgba[c] = MG_Util::DecodeHalfBitsToFloat(bits);
}
return;
}
case VK_FORMAT_R32_SFLOAT:
case VK_FORMAT_R32G32_SFLOAT:
case VK_FORMAT_R32G32B32A32_SFLOAT: {
const Int channels = format == VK_FORMAT_R32_SFLOAT ? 1 :
(format == VK_FORMAT_R32G32_SFLOAT ? 2 : 4);
Memcpy(rgba, source, static_cast<SizeT>(channels) * sizeof(Float));
return;
}
case VK_FORMAT_A2B10G10R10_UNORM_PACK32: {
Uint32 word = 0;
Memcpy(&word, source, sizeof(word));
rgba[0] = static_cast<Float>(word & 0x3FFu) / 1023.0f;
rgba[1] = static_cast<Float>((word >> 10) & 0x3FFu) / 1023.0f;
rgba[2] = static_cast<Float>((word >> 20) & 0x3FFu) / 1023.0f;
rgba[3] = static_cast<Float>((word >> 30) & 0x3u) / 3.0f;
return;
}
case VK_FORMAT_A2R10G10B10_UNORM_PACK32: {
Uint32 word = 0;
Memcpy(&word, source, sizeof(word));
rgba[2] = static_cast<Float>(word & 0x3FFu) / 1023.0f;
rgba[1] = static_cast<Float>((word >> 10) & 0x3FFu) / 1023.0f;
rgba[0] = static_cast<Float>((word >> 20) & 0x3FFu) / 1023.0f;
rgba[3] = static_cast<Float>((word >> 30) & 0x3u) / 3.0f;
return;
}
case VK_FORMAT_B10G11R11_UFLOAT_PACK32: {
Uint32 word = 0;
Memcpy(&word, source, sizeof(word));
rgba[0] = DecodeUnsignedF11(word & 0x7FFu);
rgba[1] = DecodeUnsignedF11((word >> 11) & 0x7FFu);
rgba[2] = DecodeUnsignedF10((word >> 22) & 0x3FFu);
return;
}
case VK_FORMAT_E5B9G9R9_UFLOAT_PACK32: {
Uint32 word = 0;
Memcpy(&word, source, sizeof(word));
const Int exponent = static_cast<Int>((word >> 27) & 0x1Fu) - 15 - 9;
const Float scale = std::pow(2.0f, static_cast<Float>(exponent));
rgba[0] = static_cast<Float>(word & 0x1FFu) * scale;
rgba[1] = static_cast<Float>((word >> 9) & 0x1FFu) * scale;
rgba[2] = static_cast<Float>((word >> 18) & 0x1FFu) * scale;
return;
}
case VK_FORMAT_R5G6B5_UNORM_PACK16:
case VK_FORMAT_B5G6R5_UNORM_PACK16: {
Uint16 word = 0;
Memcpy(&word, source, sizeof(word));
const Float c0 = static_cast<Float>((word >> 11) & 0x1Fu) / 31.0f;
const Float c1 = static_cast<Float>((word >> 5) & 0x3Fu) / 63.0f;
const Float c2 = static_cast<Float>(word & 0x1Fu) / 31.0f;
const Bool bgr = format == VK_FORMAT_B5G6R5_UNORM_PACK16;
rgba[0] = bgr ? c2 : c0;
rgba[1] = c1;
rgba[2] = bgr ? c0 : c2;
return;
}
case VK_FORMAT_A1R5G5B5_UNORM_PACK16: {
Uint16 word = 0;
Memcpy(&word, source, sizeof(word));
rgba[3] = static_cast<Float>((word >> 15) & 0x1u);
rgba[0] = static_cast<Float>((word >> 10) & 0x1Fu) / 31.0f;
rgba[1] = static_cast<Float>((word >> 5) & 0x1Fu) / 31.0f;
rgba[2] = static_cast<Float>(word & 0x1Fu) / 31.0f;
return;
}
case VK_FORMAT_R5G5B5A1_UNORM_PACK16: {
Uint16 word = 0;
Memcpy(&word, source, sizeof(word));
rgba[0] = static_cast<Float>((word >> 11) & 0x1Fu) / 31.0f;
rgba[1] = static_cast<Float>((word >> 6) & 0x1Fu) / 31.0f;
rgba[2] = static_cast<Float>((word >> 1) & 0x1Fu) / 31.0f;
rgba[3] = static_cast<Float>(word & 0x1u);
return;
}
case VK_FORMAT_B5G5R5A1_UNORM_PACK16: {
Uint16 word = 0;
Memcpy(&word, source, sizeof(word));
rgba[2] = static_cast<Float>((word >> 11) & 0x1Fu) / 31.0f;
rgba[1] = static_cast<Float>((word >> 6) & 0x1Fu) / 31.0f;
rgba[0] = static_cast<Float>((word >> 1) & 0x1Fu) / 31.0f;
rgba[3] = static_cast<Float>(word & 0x1u);
return;
}
case VK_FORMAT_R4G4B4A4_UNORM_PACK16: {
Uint16 word = 0;
Memcpy(&word, source, sizeof(word));
rgba[0] = static_cast<Float>((word >> 12) & 0xFu) / 15.0f;
rgba[1] = static_cast<Float>((word >> 8) & 0xFu) / 15.0f;
rgba[2] = static_cast<Float>((word >> 4) & 0xFu) / 15.0f;
rgba[3] = static_cast<Float>(word & 0xFu) / 15.0f;
return;
}
case VK_FORMAT_B4G4R4A4_UNORM_PACK16: {
Uint16 word = 0;
Memcpy(&word, source, sizeof(word));
rgba[2] = static_cast<Float>((word >> 12) & 0xFu) / 15.0f;
rgba[1] = static_cast<Float>((word >> 8) & 0xFu) / 15.0f;
rgba[0] = static_cast<Float>((word >> 4) & 0xFu) / 15.0f;
rgba[3] = static_cast<Float>(word & 0xFu) / 15.0f;
return;
}
default:
return;
}
}
static Bool DecodeReadbackRowsToWide(const Uint8* srcPixels, VkFormat srcFormat, GLsizei width,
GLsizei height, Vector<Uint8>& outWide, GLenum& outWideType) {
ReadbackSourceDesc desc{};
if (!GetReadbackSourceDesc(srcFormat, desc)) {
return false;
}
const SizeT texelSize = VulkanRenderer::GetReadbackTexelSize(srcFormat);
if (texelSize == 0) {
return false;
}
const SizeT pixelCount = static_cast<SizeT>(width) * static_cast<SizeT>(height);
outWide.assign(pixelCount * 4 * sizeof(Uint32), 0);
if (desc.sourceClass == ReadbackSourceClass::Float) {
outWideType = GL_FLOAT;
Float* wide = reinterpret_cast<Float*>(outWide.data());
for (SizeT i = 0; i < pixelCount; ++i) {
const Uint8* source = srcPixels + i * texelSize;
Float rgba[4] = {0.0f, 0.0f, 0.0f, 1.0f};
if (desc.special != VK_FORMAT_UNDEFINED) {
DecodeReadbackTexelSpecialFloat(source, desc.special, rgba);
} else {
for (Int c = 0; c < desc.channels; ++c) {
Float value = 0.0f;
if (desc.componentBits == 8) {
if (desc.isSnorm) {
Int8 raw = 0;
Memcpy(&raw, source + c, sizeof(raw));
value = std::max(static_cast<Float>(raw) / 127.0f, -1.0f);
} else {
value = static_cast<Float>(source[c]) / 255.0f;
}
} else { // 16
if (desc.isSnorm) {
Int16 raw = 0;
Memcpy(&raw, source + static_cast<SizeT>(c) * 2, sizeof(raw));
value = std::max(static_cast<Float>(raw) / 32767.0f, -1.0f);
} else {
Uint16 raw = 0;
Memcpy(&raw, source + static_cast<SizeT>(c) * 2, sizeof(raw));
value = static_cast<Float>(raw) / 65535.0f;
}
}
if (desc.isSrgb && c < 3) {
value = SrgbToLinear(value);
}
rgba[c] = value;
}
if (desc.bgraSwizzle) {
std::swap(rgba[0], rgba[2]);
}
}
Memcpy(wide + i * 4, rgba, sizeof(rgba));
}
return true;
}
// Integer classes: decode to 4 x (U)Int32 per texel; missing alpha reads 1.
outWideType = desc.sourceClass == ReadbackSourceClass::SignedInt ? GL_INT : GL_UNSIGNED_INT;
Uint32* wide = reinterpret_cast<Uint32*>(outWide.data());
for (SizeT i = 0; i < pixelCount; ++i) {
const Uint8* source = srcPixels + i * texelSize;
Uint32 rgba[4] = {0, 0, 0, 1};
if (srcFormat == VK_FORMAT_A2B10G10R10_UINT_PACK32) {
Uint32 word = 0;
Memcpy(&word, source, sizeof(word));
rgba[0] = word & 0x3FFu;
rgba[1] = (word >> 10) & 0x3FFu;
rgba[2] = (word >> 20) & 0x3FFu;
rgba[3] = (word >> 30) & 0x3u;
} else if (srcFormat == VK_FORMAT_A2R10G10B10_UINT_PACK32) {
Uint32 word = 0;
Memcpy(&word, source, sizeof(word));
rgba[2] = word & 0x3FFu;
rgba[1] = (word >> 10) & 0x3FFu;
rgba[0] = (word >> 20) & 0x3FFu;
rgba[3] = (word >> 30) & 0x3u;
} else {
for (Int c = 0; c < desc.channels; ++c) {
if (desc.componentBits == 8) {
if (desc.sourceClass == ReadbackSourceClass::SignedInt) {
Int8 raw = 0;
Memcpy(&raw, source + c, sizeof(raw));
rgba[c] = static_cast<Uint32>(static_cast<Int32>(raw));
} else {
rgba[c] = source[c];
}
} else if (desc.componentBits == 16) {
if (desc.sourceClass == ReadbackSourceClass::SignedInt) {
Int16 raw = 0;
Memcpy(&raw, source + static_cast<SizeT>(c) * 2, sizeof(raw));
rgba[c] = static_cast<Uint32>(static_cast<Int32>(raw));
} else {
Uint16 raw = 0;
Memcpy(&raw, source + static_cast<SizeT>(c) * 2, sizeof(raw));
rgba[c] = raw;
}
} else {
Memcpy(&rgba[c], source + static_cast<SizeT>(c) * 4, sizeof(Uint32));
}
}
}
Memcpy(wide + i * 4, rgba, sizeof(rgba));
}
return true;
}
static Bool PackReadbackToClientOrPbo(const Uint8* srcPixels, VkFormat srcFormat, GLsizei width,
GLsizei sliceHeight, GLsizei sliceCount, GLenum format, GLenum type,
void* pixels, Bool applyPackImageParams) {
if (width <= 0 || sliceHeight <= 0 || sliceCount <= 0) {
return true;
}
DirectGLES::ReadbackImpl::ReadbackChannelMapping mapping{};
if (!DirectGLES::ReadbackImpl::GetReadbackChannelMapping(format, mapping) ||
DirectGLES::ReadbackImpl::GetReadbackDstPixelSize(mapping, type) == 0) {
MGLOG_E("DirectVulkan readback skipped: unsupported format=0x%x type=0x%x", format, type);
return false;
}
Vector<Uint8> wide;
GLenum wideType = GL_FLOAT;
if (!DecodeReadbackRowsToWide(srcPixels, srcFormat, width,
sliceHeight * sliceCount, wide, wideType)) {
MGLOG_E("DirectVulkan readback skipped: unsupported source format=%d",
static_cast<Int>(srcFormat));
return false;
}
const Bool sourceIsInteger = wideType == GL_INT || wideType == GL_UNSIGNED_INT;
if (sourceIsInteger != mapping.isInteger) {
MGLOG_E("DirectVulkan readback skipped: integerness mismatch (format=0x%x source=%d)",
format, static_cast<Int>(srcFormat));
return false;
}
return DirectGLES::ReadbackImpl::StoreWideRowsToClient(wide.data(), wideType, width, sliceHeight,
sliceCount, mapping, type, pixels,
applyPackImageParams);
}
} // namespace
SizeT VulkanRenderer::GetReadbackTexelSize(VkFormat sourceFormat) {
const VKU_FORMAT_INFO formatInfo = vkuGetFormatInfo(sourceFormat);
if (formatInfo.texels_per_block != 1) {
return 0;
}
return formatInfo.texel_block_size;
}
Bool VulkanRenderer::ConvertReadbackPixels(const Uint8* sourcePixels, VkFormat sourceFormat,
GLsizei width, GLsizei height, GLenum destinationFormat,
GLenum destinationType, SizeT destinationRowStride,
Uint8* destinationPixels) {
if (width <= 0 || height <= 0) {
return true;
}
if (sourcePixels == nullptr || destinationPixels == nullptr) {
return false;
}
const SizeT sourceTexelSize = GetReadbackTexelSize(sourceFormat);
const Int destinationChannels = GetReadbackChannelCount(destinationFormat);
if (sourceTexelSize == 0 || destinationChannels == 0 ||
(destinationType != GL_UNSIGNED_BYTE && destinationType != GL_FLOAT)) {
return false;
}
const SizeT destinationComponentSize = destinationType == GL_FLOAT ? sizeof(Float) : sizeof(Uint8);
const SizeT destinationPixelSize = static_cast<SizeT>(destinationChannels) * destinationComponentSize;
if (destinationRowStride < static_cast<SizeT>(width) * destinationPixelSize) {
return false;
}
for (GLsizei row = 0; row < height; ++row) {
const Uint8* sourceRow = sourcePixels +
static_cast<SizeT>(row) * static_cast<SizeT>(width) * sourceTexelSize;
Uint8* destinationRow = destinationPixels + static_cast<SizeT>(row) * destinationRowStride;
for (GLsizei column = 0; column < width; ++column) {
const Uint8* source = sourceRow + static_cast<SizeT>(column) * sourceTexelSize;
Uint8* destination = destinationRow + static_cast<SizeT>(column) * destinationPixelSize;
Float rgba[4]{};
if (!DecodeReadbackPixel(source, sourceFormat, rgba)) {
return false;
}
if (destinationType == GL_FLOAT) {
Float converted[4]{};
StoreReadbackPixelFloat(rgba, destinationFormat, converted);
Memcpy(destination, converted, destinationPixelSize);
} else {
StoreReadbackPixel(rgba, destinationFormat, destination);
}
}
}
return true;
}
VkBool32 VulkanRenderer::DebugCallback(VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
VkDebugUtilsMessageTypeFlagsEXT messageType,
const VkDebugUtilsMessengerCallbackDataEXT* pCallbackData, void* pUserData) {
auto typeToString = [](VkDebugUtilsMessageTypeFlagsEXT messageType) {
switch (messageType) {
case VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT:
return "General";
case VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT:
return "Validation";
case VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT:
return "Performance";
case VK_DEBUG_UTILS_MESSAGE_TYPE_DEVICE_ADDRESS_BINDING_BIT_EXT:
return "DeviceAddressBinding";
default:
return "Other";
}
};
switch (messageSeverity) {
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT:
MGLOG_E("Vulkan Debug: [%s] %s", typeToString(messageType), pCallbackData->pMessage);
break;
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT:
MGLOG_W("Vulkan Debug: [%s] %s", typeToString(messageType), pCallbackData->pMessage);
break;
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT:
MGLOG_I("Vulkan Debug: [%s] %s", typeToString(messageType), pCallbackData->pMessage);
break;
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT:
MGLOG_D("Vulkan Debug: [%s] %s", typeToString(messageType), pCallbackData->pMessage);
break;
default:
break;
}
return VK_FALSE;
}
VulkanRenderer::VulkanRenderer(NativeWindowType window, const VulkanRendererConfig& cfg)
: m_window(window), m_config(cfg) {
// Initialize();
}
VulkanRenderer::~VulkanRenderer() {
Shutdown();
}
inline ProgramFactory::CompileOptionFlags GetShaderTransformFlags(VkSurfaceTransformFlagBitsKHR preTransform) {
ProgramFactory::CompileOptionFlags flags = ProgramFactory::CompileOptionBit::PositionZRemap;
const auto& currentDrawFBO =
MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw).GetBoundObject();
if (currentDrawFBO != nullptr && currentDrawFBO->IsDefaultFramebuffer()) {
flags |= ProgramFactory::CompileOptionBit::PositionYFlip;
switch (preTransform) {
case VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR:
flags |= ProgramFactory::CompileOptionBit::SurfaceRotate90;
break;
case VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR:
flags |= ProgramFactory::CompileOptionBit::SurfaceRotate180;
break;
case VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR:
flags |= ProgramFactory::CompileOptionBit::SurfaceRotate270;
break;
default:
break;
}
}
return flags;
}
void VulkanRenderer::Initialize() {
CreateInstance();
CreateSurface();
PickPhysicalDevice();
CreateLogicalDeviceAndQueues();
CreateAllocator();
CreateCommandPool();
// Frames-in-flight is a request, not a guarantee: it also seeds the swapchain image
// count (SwapchainObject clamps the hint into [minImageCount, maxImageCount]). Not every
// driver/surface supports >= 3 swapchain images, and keeping more frame slots than the
// surface can present would leave the surplus slots stalling on vkAcquireNextImageKHR.
// So clamp to the surface's real limits here, before any per-frame resource is sized off
// it. (The standalone driver POST is headless and has no surface, so this check lives at
// renderer init.) Existing logs already report the swapchain's min/actual image count;
// this one adds the frames-in-flight decision itself.
{
// Desired depth comes from MOBILEGL_MAGMA_FRAMESINFLIGHT, parsed once by ConfigLoader
// with a default of 3 when the variable is unset or invalid.
Uint32 requestedFramesInFlight = MG_Config::Features.MagmaFramesInFlight;
MGLOG_I("MaxFramesInFlight: configured request=%u", requestedFramesInFlight);
VkSurfaceCapabilitiesKHR surfaceCaps{};
const VkResult capsResult = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(
m_physicalDevice.handle, m_surface, &surfaceCaps);
if (capsResult != VK_SUCCESS) {
MGLOG_W("MaxFramesInFlight: vkGetPhysicalDeviceSurfaceCapabilitiesKHR failed (VkResult=%d); "
"keeping requested %u", static_cast<Int>(capsResult), requestedFramesInFlight);
} else {
// Frames-in-flight is the CPU pipeline depth; it only needs to stay <= the number
// of swapchain images the surface can provide (maxImageCount), so the extra slots
// never stall on vkAcquireNextImageKHR. It must NOT be forced up to minImageCount:
// the swapchain independently gets >= minImageCount images (SwapchainObject raises
// the count), and inflating the CPU depth would only add latency + memory.
Uint32 chosenFramesInFlight = requestedFramesInFlight;
if (surfaceCaps.maxImageCount != 0 && chosenFramesInFlight > surfaceCaps.maxImageCount) {
chosenFramesInFlight = surfaceCaps.maxImageCount; // 0 == no upper bound
}
if (chosenFramesInFlight < 2) {
chosenFramesInFlight = 2; // never drop below double buffering
}
m_config.MaxFramesInFlight = chosenFramesInFlight;
if (chosenFramesInFlight != requestedFramesInFlight) {
MGLOG_W("MaxFramesInFlight: requested %u unsupported by surface (minImageCount=%u, "
"maxImageCount=%u); using %u", requestedFramesInFlight, surfaceCaps.minImageCount,
surfaceCaps.maxImageCount, chosenFramesInFlight);
} else {
MGLOG_I("MaxFramesInFlight: using %u (surface minImageCount=%u, maxImageCount=%u)",
chosenFramesInFlight, surfaceCaps.minImageCount, surfaceCaps.maxImageCount);
}
}
}
VK_VERIFY(m_frameContext.Initialize(m_device, m_commandPool, m_config.MaxFramesInFlight),
"CreateFrameContexts");
MGLOG_I("CreateFrameContexts completed");
auto succeeded = false;
succeeded = m_bufferManager.Initialize({
.allocator = m_allocator,
.frameCount = m_frameContext.GetFrameCount(),
.minUploadBytes = 4 * 1024 * 1024,
.transientMemoryUsage = VMA_MEMORY_USAGE_AUTO,
.transientAllocationFlags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT,
.transientPersistentMapping = true,
});
MOBILEGL_ASSERT(succeeded, "VkBufferManager initialization failed.");
m_bufferManager.SetCopyCommandProvider(this);
if (m_timerQuerySupported) {
m_timerQueryManager = MakeUnique<VkTimerQueryManager>();
if (m_timerQueryManager->Initialize({.device = m_device,
.frameCount = m_frameContext.GetFrameCount(),
.timestampValidBits = m_timestampValidBits,
.timestampPeriodNs = m_timestampPeriodNs})) {
m_frameContext.SetRecordingObserver(this);
} else {
MGLOG_W("VkTimerQueryManager initialization failed; timer queries disabled");
m_timerQueryManager.reset();
m_timerQuerySupported = false;
}
}
m_textureManager = MakeUnique<VkTextureManager>();
MOBILEGL_ASSERT(m_textureManager != nullptr, "VkTextureManager creation failed.");
succeeded = m_textureManager->Initialize(
{m_device, m_physicalDevice.handle, m_allocator, m_commandPool, m_graphicsQueue,
m_frameContext.GetFrameCount()});
MOBILEGL_ASSERT(succeeded, "VkTextureManager initialization failed.");
m_clearManager = MakeUnique<VkClearManager>();
MOBILEGL_ASSERT(m_clearManager != nullptr, "VkClearManager creation failed.");
succeeded = m_clearManager->Initialize();
MOBILEGL_ASSERT(succeeded, "VkClearManager initialization failed.");
m_renderPassManager =
MakeUnique<VkRenderPassManager>(m_device, m_physicalDevice.handle, m_allocator, m_config, *m_clearManager,
*m_textureManager, m_swapchainObject);
MOBILEGL_ASSERT(m_renderPassManager != nullptr, "VkRenderPassManager creation failed.");
succeeded = m_renderPassManager->Initialize();
MOBILEGL_ASSERT(succeeded, "VkRenderPassManager initialization failed.");
const Uint32 maxProgramBindings = ComputeMaxProgramBindings(m_physicalDevice.properties);
MGLOG_I("DirectVulkan: using %u program descriptor bindings", maxProgramBindings);
if (IsPowerVRDevice(m_physicalDevice.properties)) {
m_config.DisablePipelineCache = true;
MGLOG_W("DirectVulkan: disabling pipeline cache on PowerVR device %s",
m_physicalDevice.properties.deviceName);
}
RecreateSwapchain();
m_pipelineFactory = MakeUnique<PipelineFactory>(m_device, m_config);
MOBILEGL_ASSERT(m_pipelineFactory != nullptr, "PipelineFactory creation failed.");
{
// Qualcomm's pipeline compiler does not keep vertex positions invariant across
// the pipelines of a multi-pass depth-equality chain (even with the SPIR-V
// Invariant decoration), so a blended depth-writing prepass makes later
// equality-compare passes drop whole primitives (MC 26.3 improved-transparency
// clouds flicker black). Suppress depth writes on accumulation-blended pipelines
// there (see PipelineFactory::ShouldSuppressDepthWrite for the exact scope);
// MOBILEGL_MAGMA_DISABLE_BLENDED_DEPTH_WRITE forces the quirk on or off on any
// driver.
const MG_Config::QuirkOverride quirkOverride =
MG_Config::Features.MagmaDisableBlendedDepthWriteQuirk;
const Bool suppressBlendedDepthWrite = PipelineFactory::ShouldSuppressBlendedDepthWriteForDevice(
quirkOverride, m_physicalDevice.properties.vendorID);
if (suppressBlendedDepthWrite) {
MGLOG_I("DirectVulkan: suppressing depth writes on accumulation-blended pipelines "
"(driver lacks cross-pipeline position invariance)%s",
quirkOverride == MG_Config::QuirkOverride::ForceOn ? " (forced on)" : "");
}
PipelineFactory::SetSuppressBlendedDepthWrite(suppressBlendedDepthWrite);
}
m_programFactory = MakeUnique<ProgramFactory>(m_device, m_config, maxProgramBindings,
m_shaderDrawParametersFeatureEnabled,
m_unformattedFloatStorageImagesEnabled);
MOBILEGL_ASSERT(m_programFactory != nullptr, "ProgramFactory creation failed.");
// Aging evictions (render passes and program entries) must purge the dependent
// pipeline / compute-pipeline / descriptor-set caches in the same step; both
// sweeps only run from the frame-boundary seams, long after initialization.
m_renderPassManager->SetEvictionObserver(this);
m_programFactory->SetEvictionObserver(this);
m_samplerManager = MakeUnique<VkSamplerManager>();
MOBILEGL_ASSERT(m_samplerManager != nullptr, "VkSamplerManager creation failed.");
succeeded = m_samplerManager->Initialize({m_device, &m_config, m_samplerAnisotropyFeatureEnabled,
m_physicalDevice.properties.limits.maxSamplerAnisotropy});
MOBILEGL_ASSERT(succeeded, "VkSamplerManager initialization failed.");
succeeded = InitializeBlitResources();
MOBILEGL_ASSERT(succeeded, "Blit pipeline resource initialization failed.");
succeeded = InitializeDepthMipmapResources();
MOBILEGL_ASSERT(succeeded, "Depth mipmap pipeline resource initialization failed.");
m_uniformManager = MakeUnique<UniformManager>();
MOBILEGL_ASSERT(m_uniformManager != nullptr, "UniformDescriptorBinder creation failed.");
succeeded = m_uniformManager->Initialize(
m_device, &m_bufferManager, m_programFactory.get(),
m_physicalDevice.properties.limits.minUniformBufferOffsetAlignment, m_config.MaxFramesInFlight,
maxProgramBindings, kDescriptorSetsPerFrame, m_textureManager.get(), m_samplerManager.get());
MOBILEGL_ASSERT(succeeded, "UniformDescriptorBinder initialization failed.");
m_vertexInputStateFactory = MakeUnique<VertexInputStateFactory>(m_config, m_physicalDevice.handle);
MOBILEGL_ASSERT(m_vertexInputStateFactory != nullptr, "VertexInputStateFactory creation failed.");
// Prime the first frame so Render() always targets an acquired swapchain image.
// A zero-area window (GLFW's hidden helper window during the WGL bootstrap, or a
// window that is already minimized) legitimately yields no swapchain here; defer
// the first acquire to Present in that case instead of acquiring from a null
// swapchain handle.
if (m_swapchainObject.GetHandle() != VK_NULL_HANDLE) {
VkResult acquireResult =
m_frameContext.WaitAndAcquireNextImage(m_device, m_swapchainObject.GetHandle(), m_imageIndexAcquired);
if (acquireResult == VK_ERROR_OUT_OF_DATE_KHR || acquireResult == VK_SUBOPTIMAL_KHR) {
MGLOG_D("Initialize, vkAcquireNextImageKHR got %d, recreating swapchain", acquireResult);
RecreateSwapchain();
acquireResult =
m_frameContext.WaitAndAcquireNextImage(m_device, m_swapchainObject.GetHandle(), m_imageIndexAcquired);
}
VK_VERIFY(acquireResult, "Initialize, WaitAndAcquireNextImage");
} else {
MGLOG_W("DirectVulkan: no swapchain at initialization (zero-area window); deferring first acquire");
}
m_textureManager->BeginFrame(m_frameContext.GetCurrentFrameIndex());
m_bufferManager.BeginFrame(m_frameContext.GetCurrentFrameIndex());
m_convertedVertexStreams.clear();
MGLOG_D("VulkanRenderer initialized");
}
void VulkanRenderer::Shutdown() {
if (m_instance == VK_NULL_HANDLE && m_device == VK_NULL_HANDLE && m_surface == VK_NULL_HANDLE) {
return;
}
if (m_device != VK_NULL_HANDLE) {
VK_VERIFY(vkDeviceWaitIdle(m_device));
}
OnSubmitsCompletedUpTo(m_submitCounter);
DestroySubmitFencePool();
DestroyDeferredDepthMipmapCleanup();
DestroyComputePipelines();
// No sweep runs during teardown, but the observers point at this renderer
// and the factories die at different times below; disconnect them first.
if (m_renderPassManager) {
m_renderPassManager->SetEvictionObserver(nullptr);
}
if (m_programFactory) {
m_programFactory->SetEvictionObserver(nullptr);
}
m_pipelineFactory.reset();
ShutdownBlitResources();
ShutdownDepthMipmapResources();
if (m_samplerManager) {
m_samplerManager->Shutdown();
m_samplerManager.reset();
}
if (m_textureManager) {
m_textureManager->Shutdown();
m_textureManager.reset();
}
m_vertexInputStateFactory.reset();
m_bufferManager.Shutdown();
// Device is idle (vkDeviceWaitIdle above); query pools can be destroyed.
m_frameContext.SetRecordingObserver(nullptr);
if (m_timerQueryManager) {
m_timerQueryManager->Shutdown();
m_timerQueryManager.reset();
}
if (m_device != VK_NULL_HANDLE) {
m_frameContext.Destroy(m_device, m_commandPool);
}
if (m_uniformManager) {
m_uniformManager->Shutdown();
m_uniformManager.reset();
}
m_programFactory.reset();
if (m_renderPassManager) {
ShutdownSwapchain();
} else if (m_device != VK_NULL_HANDLE) {
m_swapchainObject.Shutdown(m_device);
}
m_renderPassManager.reset();
if (m_clearManager) {
m_clearManager->Shutdown();
m_clearManager.reset();
}
if (m_commandPool != VK_NULL_HANDLE) {
vkDestroyCommandPool(m_device, m_commandPool, nullptr);
m_commandPool = VK_NULL_HANDLE;
}
DestroyAllocator();
if (m_device != VK_NULL_HANDLE) {
vkDestroyDevice(m_device, nullptr);
m_device = VK_NULL_HANDLE;
}
s_vkCmdDrawIndexedIndirectCount = nullptr;
if (m_instance != VK_NULL_HANDLE && m_surface != VK_NULL_HANDLE) {
vkDestroySurfaceKHR(m_instance, m_surface, nullptr);
m_surface = VK_NULL_HANDLE;
}
#if defined(VK_USE_PLATFORM_METAL_EXT)
if (m_platformLibrary != nullptr) {
Release(reinterpret_cast<id>(m_platformLibrary));
m_platformLibrary = nullptr;
}
if (m_platformDisplay != nullptr) {
Release(reinterpret_cast<id>(m_platformDisplay));
m_platformDisplay = nullptr;
}
#endif
#if defined(VK_USE_PLATFORM_XLIB_KHR)
if (m_platformDisplay != nullptr) {
using XCloseDisplayFn = int (*)(Display*);
auto* closeDisplay = reinterpret_cast<XCloseDisplayFn>(m_platformCloseDisplay);
if (closeDisplay) {
closeDisplay(static_cast<Display*>(m_platformDisplay));
}
m_platformDisplay = nullptr;
}
m_platformCloseDisplay = nullptr;
if (m_platformLibrary != nullptr) {
dlclose(m_platformLibrary);
m_platformLibrary = nullptr;
}
#endif
if (m_debugMessenger != VK_NULL_HANDLE) {
DestroyDebugMessenger();
m_debugMessenger = VK_NULL_HANDLE;
}
if (m_instance != VK_NULL_HANDLE) {
vkDestroyInstance(m_instance, nullptr);
m_instance = VK_NULL_HANDLE;
}
MGLOG_I("VulkanRenderer shut down completed");
}
// Scans the draw's index range from host-visible index bytes and returns the largest
// fetchable vertex index. Usable only when the draw's range is exactly its
// IndexBufferView (drawParams.indexRangeIsExactView). The view's byte offset is either
// an offset into the bound element-array buffer or, with no bound buffer, a raw client
// pointer. Primitive-restart sentinels are skipped so they cannot inflate the bound.
static Bool TryComputeMaxIndexFromHostBytes(const MG_State::GLState::VertexArrayObject& vao,
const IndexBufferView& indexView, Uint32& outMaxIndex) {
SizeT indexSize = 0;
switch (indexView.indexType) {
case GL_UNSIGNED_BYTE: indexSize = 1; break;
case GL_UNSIGNED_SHORT: indexSize = 2; break;
case GL_UNSIGNED_INT: indexSize = 4; break;
default: return false;
}
const Uint8* indexBytes = nullptr;
const auto& indexBufferShared = vao.GetIndexBufferBindingSlot().GetBoundObject();
if (indexBufferShared != nullptr) {
const SizeT bufferSize = indexBufferShared->GetSize();
if (indexBufferShared->MappedData() == nullptr || indexView.indexByteOffset > bufferSize ||
indexView.indexByteSize > bufferSize - indexView.indexByteOffset) {
return false;
}
indexBufferShared->SyncPersistentMappedRange();
indexBytes = indexBufferShared->MappedData() + indexView.indexByteOffset;
} else {
indexBytes = reinterpret_cast<const Uint8*>(indexView.indexByteOffset);
if (indexBytes == nullptr) {
return false;
}
}
const SizeT indexCount = indexView.indexByteSize / indexSize;
// The all-ones sentinel is only a restart marker when primitive restart is enabled;
// with restart off it is a legitimate index and excluding it would truncate the
// converted stream by exactly that vertex.
const Bool primitiveRestartActive =
MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::PrimitiveRestart) ||
MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::PrimitiveRestartFixedIndex);
const Uint32 restartSentinel = indexSize == 1 ? 0xFFu : indexSize == 2 ? 0xFFFFu : 0xFFFFFFFFu;
Uint32 maxIndex = 0;
Bool sawIndex = false;
for (SizeT i = 0; i < indexCount; ++i) {
Uint32 index = 0;
switch (indexSize) {
case 1: index = indexBytes[i]; break;
case 2: index = reinterpret_cast<const Uint16*>(indexBytes)[i]; break;
default: index = reinterpret_cast<const Uint32*>(indexBytes)[i]; break;
}
if (primitiveRestartActive && index == restartSentinel) {
continue;
}
maxIndex = std::max(maxIndex, index);
sawIndex = true;
}
if (!sawIndex) {
return false;
}
outMaxIndex = maxIndex;
return true;
}
Bool VulkanRenderer::UploadAndBindVertexBuffers(
VkCommandBuffer commandBuffer, const MG_State::GLState::VertexArrayObject& vao,
const ProgramFactory::VkProgramObject& programObj, const DrawCmdParam& drawParams,
const IndexBufferView* pIndexBufferView) {
const Bool indexedDraw = pIndexBufferView != nullptr;
// Exclusive upper bound on the vertex-stream elements this draw can fetch through
// vertex-rate bindings, or 0 when unbounded (indirect/multi draws). Computed lazily
// because the index scan is only worth doing when a conversion actually needs it.
SizeT drawElementBound = 0;
Bool drawElementBoundComputed = false;
auto resolveDrawElementBound = [&]() -> SizeT {
if (drawElementBoundComputed) {
return drawElementBound;
}
drawElementBoundComputed = true;
if (!indexedDraw) {
drawElementBound = static_cast<SizeT>(drawParams.firstVertex) + drawParams.vertexCount;
} else if (drawParams.indexRangeIsExactView) {
Uint32 maxIndex = 0;
if (TryComputeMaxIndexFromHostBytes(vao, *pIndexBufferView, maxIndex)) {
drawElementBound = static_cast<SizeT>(maxIndex) + 1 +
static_cast<SizeT>(std::max(drawParams.baseVertex, 0));
}
}
return drawElementBound;
};
// programObj is resolved once in SetupDraw and passed in; re-resolving it here would repeat
// the GetCurrentProgram + GetOrCreateProgram hash lookup every draw.
auto& vertexInputState = m_vertexInputStateFactory->GetOrCreateVertexInputState(vao);
const Uint32 activeAttribMask = programObj.activeVertexInputLocationMask;
const Uint32 vertexInputAttribMask = BuildVertexInputAttributeMask(vertexInputState.attributes);
const Uint32 missingAttribMask = activeAttribMask & ~vertexInputAttribMask;
const auto bindingCount = vertexInputState.bindings.size() + static_cast<SizeT>(std::popcount(missingAttribMask));
auto& vkBuffers = m_vertexBuffersScratch;
auto& vkOffsets = m_vertexOffsetsScratch;
vkBuffers.assign(bindingCount, VK_NULL_HANDLE);
vkOffsets.assign(bindingCount, 0);
auto findBufferByKey = [&](SizeT bufferKey) -> const SharedPtr<MG_State::GLState::BufferObject>* {
const auto& attrs = vao.GetAllAttributes();
for (Uint32 location = 0; location < MG_State::GLState::VertexArrayObject::MAX_VERTEX_ATTRIBS; ++location) {
const auto& attr = attrs[location];
if (attr.Buffer && reinterpret_cast<SizeT>(attr.Buffer.get()) == bufferKey) {
return &attr.Buffer;
}
}
return nullptr;
};
auto uploadConvertedStream = [&](VertexInputStateFactory::VertexStreamConversion conversion,
const MG_State::GLState::VertexAttribute& attribute,
const Uint8* sourceData, SizeT sourceStride,
SizeT elementSize, SizeT elementCount,
BufferSlice& outSlice) -> Bool {
const void* uploadData = nullptr;
VkDeviceSize uploadSize = 0;
switch (conversion) {
case VertexInputStateFactory::VertexStreamConversion::Repack:
if (!RepackVertexStream(sourceData, sourceStride, elementSize, elementCount,
m_vertexRepackScratch)) {
return false;
}
uploadData = m_vertexRepackScratch.data();
uploadSize = static_cast<VkDeviceSize>(m_vertexRepackScratch.size());
break;
case VertexInputStateFactory::VertexStreamConversion::ScaledIntegerToFloat32:
if (!ConvertScaledIntegerVertexStreamToFloat32(attribute, sourceData, sourceStride,
elementCount, m_vertexConversionScratch)) {
return false;
}
uploadData = m_vertexConversionScratch.data();
uploadSize = static_cast<VkDeviceSize>(m_vertexConversionScratch.size() * sizeof(Float));
break;
case VertexInputStateFactory::VertexStreamConversion::None:
return false;
}
return uploadSize > 0 &&
m_bufferManager.UploadTransient(BufferKind::Vertex,
m_frameContext.GetCurrentFrameIndex(),
uploadData, uploadSize, 16, outSlice);
};
for (SizeT binding = 0; binding < bindingCount; ++binding) {
if (binding >= vertexInputState.bindings.size()) {
break;
}
const Uint32 bindingLocation = binding < vertexInputState.bindingAttributeLocations.size()
? vertexInputState.bindingAttributeLocations[binding]
: static_cast<Uint32>(MG_State::GLState::VertexArrayObject::MAX_VERTEX_ATTRIBS);
const Bool usesClientMemory = binding < vertexInputState.bindingUsesClientMemory.size() &&
vertexInputState.bindingUsesClientMemory[binding];
const auto conversion = binding < vertexInputState.bindingConversions.size()
? vertexInputState.bindingConversions[binding]
: VertexInputStateFactory::VertexStreamConversion::None;
if (usesClientMemory) {
const Uint32 location = bindingLocation;
MOBILEGL_ASSERT(location < MG_State::GLState::VertexArrayObject::MAX_VERTEX_ATTRIBS,
"UploadAndBindVertexStreams failed to resolve client attribute location");
const auto& attr = vao.GetAttribute(location);
const SizeT elementSize =
VertexInputStateFactory::GetAttributeByteSize(attr.Type, attr.Size, attr.IsBgra);
const SizeT stride = attr.Stride > 0 ? static_cast<SizeT>(attr.Stride) : elementSize;
const auto* clientData = reinterpret_cast<const Uint8*>(attr.Offset);
if (!clientData || elementSize == 0 || stride == 0) {
MGLOG_E("UploadAndBindVertexStreams skipped: invalid client vertex attribute at location %u", location);
return false;
}
// Client arrays have no queryable size, so bound the upload by the draw's
// real fetch range. For indexed draws that means scanning the index bytes:
// the guessed vertexCount (indexCount + baseVertex) can both truncate draws
// whose max index exceeds their index count and over-read below it.
const SizeT clientElementBound = resolveDrawElementBound();
BufferSlice slice{};
Bool uploaded = false;
if (conversion == VertexInputStateFactory::VertexStreamConversion::None) {
const SizeT lastVertex =
clientElementBound > 0
? clientElementBound - 1
: (drawParams.vertexCount > 0
? static_cast<SizeT>(drawParams.firstVertex) + drawParams.vertexCount - 1
: static_cast<SizeT>(drawParams.firstVertex));
const SizeT uploadSize = lastVertex * stride + elementSize;
uploaded = m_bufferManager.UploadTransient(
BufferKind::Vertex, m_frameContext.GetCurrentFrameIndex(), clientData,
static_cast<VkDeviceSize>(uploadSize), 16, slice);
} else {
if (clientElementBound == 0) {
// Indirect/multi indexed draws have no CPU-visible index range and a
// client array has no size to fall back to; a guessed range could
// truncate the converted stream, so skip the draw loudly.
MGLOG_E("UploadAndBindVertexStreams skipped: converted client-memory attribute "
"location=%u has no computable vertex range", location);
return false;
}
uploaded = uploadConvertedStream(conversion, attr, clientData, stride, elementSize,
clientElementBound, slice);
}
if (!uploaded) {
MOBILEGL_ASSERT(false,
"UploadAndBindVertexStreams skipped: failed to upload client attribute binding %zu",
binding);
return false;
}
vkBuffers[binding] = slice.buffer;
vkOffsets[binding] = slice.offset;
continue;
}
const SizeT bufferKey = vertexInputState.bindingBufferKeys[binding];
// The VAO attribute already holds the buffer's SharedPtr; use it by reference directly
// instead of re-resolving it from the GL context by external index (a map lookup +
// atomic refcount every binding every draw).
const SharedPtr<MG_State::GLState::BufferObject>* sourceBufferSharedPtr = findBufferByKey(bufferKey);
MOBILEGL_ASSERT(sourceBufferSharedPtr != nullptr && *sourceBufferSharedPtr != nullptr,
"UploadAndBindVertexStreams failed to resolve source buffer");
const auto& sourceBufferShared = *sourceBufferSharedPtr;
BufferSlice slice{};
const SizeT sourceSize = sourceBufferShared->GetSize();
const SizeT baseOffset =
binding < vertexInputState.bindingBaseOffsets.size() ? vertexInputState.bindingBaseOffsets[binding] : 0;
MOBILEGL_ASSERT(baseOffset <= sourceSize,
"UploadAndBindVertexStreams skipped: binding %zu base offset %zu exceeds buffer size %zu",
binding, baseOffset, sourceSize);
if (conversion != VertexInputStateFactory::VertexStreamConversion::None) {
MOBILEGL_ASSERT(bindingLocation < MG_State::GLState::VertexArrayObject::MAX_VERTEX_ATTRIBS,
"UploadAndBindVertexStreams failed to resolve converted attribute location");
const auto& attr = vao.GetAttribute(bindingLocation);
const SizeT elementSize =
VertexInputStateFactory::GetAttributeByteSize(attr.Type, attr.Size, attr.IsBgra);
const SizeT sourceStride =
attr.Stride > 0 ? static_cast<SizeT>(attr.Stride) : elementSize;
if (sourceBufferShared->MappedData() == nullptr || elementSize == 0 || sourceStride == 0 ||
baseOffset > sourceSize || elementSize > sourceSize - baseOffset) {
MGLOG_E("UploadAndBindVertexStreams skipped: invalid converted source binding=%zu "
"location=%u base=%zu size=%zu element=%zu stride=%zu",
binding, bindingLocation, baseOffset, sourceSize, elementSize, sourceStride);
return false;
}
sourceBufferShared->SyncPersistentMappedRange();
const SizeT availableElementCount = 1 + (sourceSize - baseOffset - elementSize) / sourceStride;
const Bool cacheable = !sourceBufferShared->IsBackendPersistentMapped();
// Convert only what this draw can fetch instead of the whole buffer tail.
// Instance-rate bindings index by instance, not the vertex range, so they
// keep the tail. Indexed draws from cacheable buffers also keep the tail: a
// single cached whole-range conversion per frame is cheaper than a per-draw
// index scan. Persistent-mapped buffers are uncacheable and reconvert every
// draw, so for them the scan plus bounded conversion is the cheaper trade.
const Bool vertexRateBinding =
vertexInputState.bindings[binding].inputRate == VK_VERTEX_INPUT_RATE_VERTEX;
SizeT elementCount = availableElementCount;
if (vertexRateBinding && (!indexedDraw || !cacheable)) {
const SizeT elementBound = resolveDrawElementBound();
if (elementBound > 0) {
elementCount = std::min(elementCount, elementBound);
}
}
const ConvertedVertexStreamKey cacheKey{
.buffer = sourceBufferShared.get(),
.changeSerial = sourceBufferShared->GetChangeSerial(),
.baseOffset = baseOffset,
.sourceStride = static_cast<Uint32>(sourceStride),
.type = attr.Type,
.size = attr.Size,
.normalized = attr.Normalized,
.isInteger = attr.IsInteger,
.conversion = conversion,
};
Bool reusedCachedStream = false;
if (cacheable) {
const auto cached = m_convertedVertexStreams.find(cacheKey);
// A cached conversion covering at least this draw's range is a strict
// prefix match: converted streams are tightly packed from element 0.
if (cached != m_convertedVertexStreams.end() &&
cached->second.elementCount >= elementCount) {
slice = cached->second.slice;
reusedCachedStream = true;
}
}
if (!reusedCachedStream) {
const Uint8* sourceData = sourceBufferShared->MappedData() + baseOffset;
if (!uploadConvertedStream(conversion, attr, sourceData, sourceStride,
elementSize, elementCount, slice)) {
MGLOG_E("UploadAndBindVertexStreams skipped: failed to convert binding=%zu location=%u",
binding, bindingLocation);
return false;
}
if (cacheable) {
m_convertedVertexStreams[cacheKey] =
ConvertedVertexStream{slice, elementCount, sourceBufferShared};
}
}
vkBuffers[binding] = slice.buffer;
vkOffsets[binding] = slice.offset;
continue;
}
if (ShouldUseTransientVertexIndexBuffer(*sourceBufferShared)) {
if (!m_bufferManager.AcquireStreamedSlice(BufferKind::Vertex, sourceBufferShared, slice)) {
MOBILEGL_ASSERT(false, "UploadAndBindVertexStreams skipped: failed to upload transient binding %zu", binding);
return false;
}
} else {
if (!m_bufferManager.AcquireResidentSlice(BufferKind::Vertex, sourceBufferShared, slice)) {
MGLOG_E("UploadAndBindVertexStreams skipped: failed to sync resident binding %zu", binding);
return false;
}
}
vkBuffers[binding] = slice.buffer;
vkOffsets[binding] = slice.offset + static_cast<VkDeviceSize>(baseOffset);
}
SizeT syntheticBinding = vertexInputState.bindings.size();
for (Uint32 location = 0; location < kMaxVertexAttribs; ++location) {
if ((missingAttribMask & (1u << location)) == 0) {
continue;
}
const auto glType = programObj.vertexInputTypes[location];
const auto& currentValue = MG_State::pGLContext->GetCurrentVertexAttribute(location);
VkFormat format = VK_FORMAT_UNDEFINED;
const void* sourceData = nullptr;
VkDeviceSize sourceSize = 0;
const Bool supported = TryGetCurrentVertexAttributeUploadPayload(currentValue, glType, format,
sourceData, sourceSize);
if (!supported) {
// SetupDraw's pre-flight should have rejected this already; never upload a null payload.
MGLOG_E("UploadAndBindVertexStreams skipped: unsupported current generic vertex attribute type: "
"programHash=%llu location=%u type=0x%x",
static_cast<unsigned long long>(programObj.hash), location, glType);
return false;
}
BufferSlice slice{};
if (!m_bufferManager.UploadTransient(BufferKind::Vertex, m_frameContext.GetCurrentFrameIndex(),
sourceData, sourceSize, 16, slice)) {
MOBILEGL_ASSERT(false,
"UploadAndBindVertexStreams skipped: failed to upload current attribute binding for location %u",
location);
return false;
}
vkBuffers[syntheticBinding] = slice.buffer;
vkOffsets[syntheticBinding] = slice.offset;
++syntheticBinding;
}
if (bindingCount > 0) {
vkCmdBindVertexBuffers(commandBuffer, 0, static_cast<Uint32>(bindingCount), vkBuffers.data(),
vkOffsets.data());
}
return true;
}
Bool VulkanRenderer::UploadAndBindIndexBuffer(FrameContext::FrameData& frame,
const MG_State::GLState::VertexArrayObject& vao,
const IndexBufferView* pIndexBufferView) {
VkIndexType vkIndexType = VK_INDEX_TYPE_MAX_ENUM;
switch (pIndexBufferView->indexType) {
case GL_UNSIGNED_BYTE:
MOBILEGL_ASSERT(m_indexTypeUint8ExtensionEnabled,
"DrawElements with GL_UNSIGNED_BYTE requires VK_KHR_index_type_uint8 or VK_EXT_index_type_uint8");
vkIndexType = VK_INDEX_TYPE_UINT8;
break;
case GL_UNSIGNED_SHORT:
vkIndexType = VK_INDEX_TYPE_UINT16;
break;
case GL_UNSIGNED_INT:
vkIndexType = VK_INDEX_TYPE_UINT32;
break;
default:
MGLOG_D("DrawElements skipped: index type %u is not supported yet", pIndexBufferView->indexType);
return false;
}
// GL_PRIMITIVE_RESTART uses an arbitrary restart index (glPrimitiveRestartIndex), but Vulkan
// only restarts on the fixed all-ones value of the index type. GL_PRIMITIVE_RESTART_FIXED_INDEX
// already matches that, so only the arbitrary form needs checking; hard-fail at this draw with
// the reason if the index is not the fixed value (a fallback would silently drop restarts).
if (MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::PrimitiveRestart) &&
!MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::PrimitiveRestartFixedIndex)) {
const Uint32 restartIndex = MG_State::pGLContext->GetPrimitiveRestartIndex();
Uint32 fixedMax = 0;
switch (vkIndexType) {
case VK_INDEX_TYPE_UINT8: fixedMax = 0xFFu; break;
case VK_INDEX_TYPE_UINT16: fixedMax = 0xFFFFu; break;
case VK_INDEX_TYPE_UINT32: fixedMax = 0xFFFFFFFFu; break;
default: break;
}
if (restartIndex != fixedMax) {
THROW_EXCEPTION("GL_PRIMITIVE_RESTART with an arbitrary restart index (" +
std::to_string(restartIndex) +
") is not supported by the Vulkan backend, which only restarts on the fixed index "
"value (" +
std::to_string(fixedMax) +
") for this index type; use GL_PRIMITIVE_RESTART_FIXED_INDEX, or set "
"glPrimitiveRestartIndex to that value.");
}
}
const auto* indexBuffer = vao.GetIndexBufferBindingSlot().GetBoundObject().get();
MOBILEGL_ASSERT(indexBuffer != nullptr, "UploadAndBindIndexBuffer requires bound EBO");
const SizeT indexDataSizeBytes = pIndexBufferView->indexByteSize;
MOBILEGL_ASSERT(pIndexBufferView->indexByteOffset + indexDataSizeBytes <= indexBuffer->GetSize(),
"DrawElements index range out of bounds");
BufferSlice slice{};
auto indexBufferShared = MG_State::pGLContext->GetBufferObject(indexBuffer->GetExternalIndex());
MOBILEGL_ASSERT(indexBufferShared != nullptr, "UploadAndBindIndexBuffer failed to resolve shared EBO");
if (ShouldUseTransientVertexIndexBuffer(*indexBufferShared)) {
MOBILEGL_ASSERT(indexBufferShared->GetSize() != 0, "DrawElements requires non-empty EBO data");
if (!m_bufferManager.AcquireStreamedSlice(BufferKind::Index, indexBufferShared, slice)) {
MOBILEGL_ASSERT(false, "DrawElements skipped: failed to prepare transient index buffer");
return false;
}
} else if (!m_bufferManager.AcquireResidentSlice(BufferKind::Index, indexBufferShared, slice)) {
MGLOG_E("DrawElements skipped: failed to sync resident index buffer");
return false;
}
vkCmdBindIndexBuffer(frame.commandBuffer, slice.buffer,
slice.offset + static_cast<VkDeviceSize>(pIndexBufferView->indexByteOffset), vkIndexType);
return true;
}
Bool VulkanRenderer::InitializeBlitResources() {
ShutdownBlitResources();
auto vertexShader = MakeShared<MG_State::GLState::ShaderObject>(ShaderStage::Vertex, kHiddenBlitVertexShaderId);
vertexShader->SetShaderSource(kFullscreenTriangleVertexShaderSource);
vertexShader->Compile();
if (!vertexShader->GetCompileStatus()) {
MGLOG_E("InitializeBlitResources failed: vertex shader compile error: %s", vertexShader->GetInfoLog().c_str());
return false;
}
auto fragmentShader = MakeShared<MG_State::GLState::ShaderObject>(ShaderStage::Fragment, kHiddenBlitFragmentShaderId);
fragmentShader->SetShaderSource(kBlitFragmentShaderSource);
fragmentShader->Compile();
if (!fragmentShader->GetCompileStatus()) {
MGLOG_E("InitializeBlitResources failed: fragment shader compile error: %s", fragmentShader->GetInfoLog().c_str());
return false;
}
m_blitResources.program = MakeShared<MG_State::GLState::ProgramObject>(kHiddenBlitProgramId);
m_blitResources.program->AttachShader(vertexShader);
m_blitResources.program->AttachShader(fragmentShader);
m_blitResources.program->Link(false);
if (!m_blitResources.program->GetLinkStatus()) {
MGLOG_E("InitializeBlitResources failed: program link error: %s", m_blitResources.program->GetInfoLog().c_str());
return false;
}
m_blitResources.srcRectLocation = m_blitResources.program->GetUniformLocation("uSrcRect");
m_blitResources.dstRectLocation = m_blitResources.program->GetUniformLocation("uDstRect");
m_blitResources.surfaceTransformLocation = m_blitResources.program->GetUniformLocation("uSurfaceTransform");
MOBILEGL_ASSERT(m_blitResources.srcRectLocation >= 0, "InitializeBlitResources: missing uSrcRect");
MOBILEGL_ASSERT(m_blitResources.dstRectLocation >= 0, "InitializeBlitResources: missing uDstRect");
MOBILEGL_ASSERT(m_blitResources.surfaceTransformLocation >= 0,
"InitializeBlitResources: missing uSurfaceTransform");
MOBILEGL_ASSERT(m_blitResources.program->GetUBOSize() > 0,
"InitializeBlitResources: blit program global UBO is empty");
MOBILEGL_ASSERT(m_programFactory != nullptr, "InitializeBlitResources: program factory is null");
ProgramFactory::CompileOptionFlags blitTransformFlags = 0;
const auto& blitProgramObj = m_programFactory->GetOrCreateProgram(*m_blitResources.program, blitTransformFlags);
Bool foundBlitSamplerBinding = false;
for (Uint32 binding = 0; binding < blitProgramObj.samplerNameByBinding.size(); ++binding) {
if (blitProgramObj.bindingKinds[binding] != ProgramFactory::DescriptorBindingKind::CombinedImageSampler) {
continue;
}
if (blitProgramObj.samplerNameByBinding[binding] == "uSource") {
m_blitResources.samplerBinding = binding;
foundBlitSamplerBinding = true;
break;
}
}
MOBILEGL_ASSERT(foundBlitSamplerBinding,
"InitializeBlitResources: failed to resolve reflected binding for uSource");
auto createSampler = [](Uint externalIndex, SamplerFilterMode filter) {
auto sampler = MakeShared<MG_State::GLState::SamplerObject>(externalIndex);
sampler->SetWrapS(SamplerWrapMode::ClampToEdge);
sampler->SetWrapT(SamplerWrapMode::ClampToEdge);
sampler->SetWrapR(SamplerWrapMode::ClampToEdge);
sampler->SetMinFilter(filter);
sampler->SetMagFilter(filter);
sampler->SetMipmapMode(SamplerMipmapMode::None);
sampler->SetLodRange(0.0f, 0.0f);
return sampler;
};
m_blitResources.nearestSampler = createSampler(kHiddenBlitNearestSamplerId, SamplerFilterMode::Nearest);
m_blitResources.linearSampler = createSampler(kHiddenBlitLinearSamplerId, SamplerFilterMode::Linear);
return true;
}
void VulkanRenderer::ShutdownBlitResources() {
m_blitResources = {};
}
Bool VulkanRenderer::InitializeDepthMipmapResources() {
ShutdownDepthMipmapResources();
auto vertexShader = MakeShared<MG_State::GLState::ShaderObject>(ShaderStage::Vertex,
kHiddenDepthMipmapVertexShaderId);
vertexShader->SetShaderSource(kFullscreenTriangleVertexShaderSource);
vertexShader->Compile();
if (!vertexShader->GetCompileStatus()) {
MGLOG_E("InitializeDepthMipmapResources failed: vertex shader compile error: %s",
vertexShader->GetInfoLog().c_str());
return false;
}
auto fragmentShader = MakeShared<MG_State::GLState::ShaderObject>(ShaderStage::Fragment,
kHiddenDepthMipmapFragmentShaderId);
fragmentShader->SetShaderSource(kDepthMipmapFragmentShaderSource);
fragmentShader->Compile();
if (!fragmentShader->GetCompileStatus()) {
MGLOG_E("InitializeDepthMipmapResources failed: fragment shader compile error: %s",
fragmentShader->GetInfoLog().c_str());
return false;
}
m_depthMipmapResources.program = MakeShared<MG_State::GLState::ProgramObject>(kHiddenDepthMipmapProgramId);
m_depthMipmapResources.program->AttachShader(vertexShader);
m_depthMipmapResources.program->AttachShader(fragmentShader);
m_depthMipmapResources.program->Link(false);
if (!m_depthMipmapResources.program->GetLinkStatus()) {
MGLOG_E("InitializeDepthMipmapResources failed: program link error: %s",
m_depthMipmapResources.program->GetInfoLog().c_str());
return false;
}
m_depthMipmapResources.srcRectLocation = m_depthMipmapResources.program->GetUniformLocation("uSrcRect");
m_depthMipmapResources.dstRectLocation = m_depthMipmapResources.program->GetUniformLocation("uDstRect");
m_depthMipmapResources.surfaceTransformLocation =
m_depthMipmapResources.program->GetUniformLocation("uSurfaceTransform");
m_depthMipmapResources.srcTexelSizeLocation =
m_depthMipmapResources.program->GetUniformLocation("uSrcTexelSize");
MOBILEGL_ASSERT(m_depthMipmapResources.srcRectLocation >= 0,
"InitializeDepthMipmapResources: missing uSrcRect");
MOBILEGL_ASSERT(m_depthMipmapResources.dstRectLocation >= 0,
"InitializeDepthMipmapResources: missing uDstRect");
MOBILEGL_ASSERT(m_depthMipmapResources.surfaceTransformLocation >= 0,
"InitializeDepthMipmapResources: missing uSurfaceTransform");
MOBILEGL_ASSERT(m_depthMipmapResources.srcTexelSizeLocation >= 0,
"InitializeDepthMipmapResources: missing uSrcTexelSize");
MOBILEGL_ASSERT(m_depthMipmapResources.program->GetUBOSize() > 0,
"InitializeDepthMipmapResources: depth mipmap program global UBO is empty");
MOBILEGL_ASSERT(m_programFactory != nullptr, "InitializeDepthMipmapResources: program factory is null");
ProgramFactory::CompileOptionFlags transformFlags = 0;
const auto& programObj =
m_programFactory->GetOrCreateProgram(*m_depthMipmapResources.program, transformFlags);
Bool foundSamplerBinding = false;
for (Uint32 binding = 0; binding < programObj.samplerNameByBinding.size(); ++binding) {
if (programObj.bindingKinds[binding] != ProgramFactory::DescriptorBindingKind::CombinedImageSampler) {
continue;
}
if (programObj.samplerNameByBinding[binding] == "uSource") {
m_depthMipmapResources.samplerBinding = binding;
foundSamplerBinding = true;
break;
}
}
MOBILEGL_ASSERT(foundSamplerBinding,
"InitializeDepthMipmapResources: failed to resolve reflected binding for uSource");
return true;
}
void VulkanRenderer::ShutdownDepthMipmapResources() {
m_depthMipmapResources = {};
}
void VulkanRenderer::CollectDeferredDepthMipmapCleanup(Uint32 frameIndex) {
MOBILEGL_ASSERT(frameIndex < m_deferredDepthMipmapCleanup.size(),
"CollectDeferredDepthMipmapCleanup: frame index %u out of range (size=%zu)",
frameIndex, m_deferredDepthMipmapCleanup.size());
if (m_device == VK_NULL_HANDLE) {
return;
}
auto& cleanup = m_deferredDepthMipmapCleanup[frameIndex];
for (auto framebuffer : cleanup.framebuffers) {
if (framebuffer != VK_NULL_HANDLE) {
vkDestroyFramebuffer(m_device, framebuffer, nullptr);
}
}
for (auto pipeline : cleanup.pipelines) {
if (pipeline != VK_NULL_HANDLE) {
vkDestroyPipeline(m_device, pipeline, nullptr);
}
}
for (auto renderPass : cleanup.renderPasses) {
if (renderPass != VK_NULL_HANDLE) {
vkDestroyRenderPass(m_device, renderPass, nullptr);
}
}
for (auto imageView : cleanup.imageViews) {
if (imageView != VK_NULL_HANDLE) {
vkDestroyImageView(m_device, imageView, nullptr);
}
}
cleanup.framebuffers.clear();
cleanup.pipelines.clear();
cleanup.renderPasses.clear();
cleanup.imageViews.clear();
}
void VulkanRenderer::DestroyDeferredDepthMipmapCleanup() {
for (Uint32 frameIndex = 0; frameIndex < m_deferredDepthMipmapCleanup.size(); ++frameIndex) {
CollectDeferredDepthMipmapCleanup(frameIndex);
}
m_deferredDepthMipmapCleanup.clear();
}
VkPipeline VulkanRenderer::GetOrCreateBlitPipeline(const RenderPassEntry& renderPassEntry) {
MOBILEGL_ASSERT(m_blitResources.program != nullptr, "GetOrCreateBlitPipeline: blit program is null");
MOBILEGL_ASSERT(m_programFactory != nullptr, "GetOrCreateBlitPipeline: program factory is null");
MOBILEGL_ASSERT(m_uniformManager != nullptr, "GetOrCreateBlitPipeline: descriptor binder is null");
static const VkPipelineVertexInputStateCreateInfo kEmptyVertexInputState {
VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO
};
ProgramFactory::CompileOptionFlags transformFlags = 0;
const auto& programObj = m_programFactory->GetOrCreateProgram(*m_blitResources.program, transformFlags);
PipelineFactory::PipelineCreatePayload payload{
.programHash = programObj.hash,
.vertexInputHash = 0,
.pipelineLayout = programObj.pipelineLayout,
.renderPass = renderPassEntry.renderPass,
.colorAttachmentCount = renderPassEntry.colorAttachmentCount,
.rasterizationSamples = renderPassEntry.sampleCount,
.subpass = 0,
.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
.cullMode = VK_CULL_MODE_NONE,
.frontFace = VK_FRONT_FACE_CLOCKWISE,
.depthTestEnable = false,
.depthWriteEnable = false,
.depthCompareOp = VK_COMPARE_OP_ALWAYS,
.stages = &programObj.stages,
.vertexInputState = &kEmptyVertexInputState
};
static constexpr VkColorComponentFlags kColorWriteMask =
VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |
VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
MOBILEGL_ASSERT(payload.colorAttachmentCount <= PipelineFactory::PipelineCreatePayload::kMaxColorAttachments,
"GetOrCreateBlitPipeline: colorAttachmentCount=%u exceeds payload capacity",
payload.colorAttachmentCount);
for (Uint32 i = 0; i < payload.colorAttachmentCount; ++i) {
payload.colorBlendAttachments[i] = MakeColorBlendAttachmentState(
false,
VK_BLEND_FACTOR_ONE,
VK_BLEND_FACTOR_ZERO,
VK_BLEND_OP_ADD,
VK_BLEND_FACTOR_ONE,
VK_BLEND_FACTOR_ZERO,
VK_BLEND_OP_ADD,
kColorWriteMask);
}
return m_pipelineFactory->GetOrCreatePipeline(payload);
}
Bool VulkanRenderer::GenerateDepthMipmapWithShader(FrameContext::FrameData& frame,
MG_State::GLState::ITextureObject& texture,
VkTextureManager::TextureResource& resource,
Uint32 baseMipLevel,
Uint32 generateMipLevelCount,
const IntVec3& storageBaseTexelSize,
VkImageLayout originalLayout,
VkImageLayout finalLayout) {
MOBILEGL_ASSERT(m_depthMipmapResources.program != nullptr,
"GenerateDepthMipmapWithShader: depth mipmap program is null");
MOBILEGL_ASSERT(m_blitResources.nearestSampler != nullptr,
"GenerateDepthMipmapWithShader: helper sampler is null");
MOBILEGL_ASSERT(m_programFactory != nullptr, "GenerateDepthMipmapWithShader: program factory is null");
MOBILEGL_ASSERT(m_uniformManager != nullptr, "GenerateDepthMipmapWithShader: uniform manager is null");
MOBILEGL_ASSERT(texture.GetTarget() == TextureTarget::Texture2D,
"GenerateDepthMipmapWithShader only supports GL_TEXTURE_2D depth textures");
MOBILEGL_ASSERT(resource.aspect == VK_IMAGE_ASPECT_DEPTH_BIT,
"GenerateDepthMipmapWithShader requires a depth-only aspect");
MOBILEGL_ASSERT(resource.depth == 1 && resource.arrayLayers == 1,
"GenerateDepthMipmapWithShader only supports single-layer depth textures");
MOBILEGL_ASSERT(m_frameContext.GetCurrentFrameIndex() < m_deferredDepthMipmapCleanup.size(),
"GenerateDepthMipmapWithShader: frame index %u out of range (cleanup slots=%zu)",
m_frameContext.GetCurrentFrameIndex(), m_deferredDepthMipmapCleanup.size());
auto& deferredCleanup = m_deferredDepthMipmapCleanup[m_frameContext.GetCurrentFrameIndex()];
ProgramFactory::CompileOptionFlags transformFlags = 0;
const auto& programObj =
m_programFactory->GetOrCreateProgram(*m_depthMipmapResources.program, transformFlags);
VkAttachmentDescription depthAttachment{};
depthAttachment.format = resource.format;
depthAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
depthAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
depthAttachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
depthAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
depthAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
depthAttachment.initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
depthAttachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkAttachmentReference depthAttachmentRef{};
depthAttachmentRef.attachment = 0;
depthAttachmentRef.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkSubpassDescription subpassDesc{};
subpassDesc.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpassDesc.pDepthStencilAttachment = &depthAttachmentRef;
VkRenderPassCreateInfo renderPassCreateInfo{};
renderPassCreateInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
renderPassCreateInfo.attachmentCount = 1;
renderPassCreateInfo.pAttachments = &depthAttachment;
renderPassCreateInfo.subpassCount = 1;
renderPassCreateInfo.pSubpasses = &subpassDesc;
VkRenderPass renderPass = VK_NULL_HANDLE;
VK_VERIFY(vkCreateRenderPass(m_device, &renderPassCreateInfo, nullptr, &renderPass),
"GenerateDepthMipmapWithShader: vkCreateRenderPass");
static const VkPipelineVertexInputStateCreateInfo kEmptyVertexInputState {
VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO
};
VkPipelineInputAssemblyStateCreateInfo inputAssembly{};
inputAssembly.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
inputAssembly.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
VkPipelineViewportStateCreateInfo viewportState{};
viewportState.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
viewportState.viewportCount = 1;
viewportState.scissorCount = 1;
VkPipelineRasterizationStateCreateInfo rasterizationState{};
rasterizationState.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
rasterizationState.polygonMode = VK_POLYGON_MODE_FILL;
rasterizationState.cullMode = VK_CULL_MODE_NONE;
rasterizationState.frontFace = VK_FRONT_FACE_CLOCKWISE;
rasterizationState.lineWidth = 1.0f;
VkPipelineMultisampleStateCreateInfo multisampleState{};
multisampleState.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
multisampleState.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
VkPipelineDepthStencilStateCreateInfo depthStencilState{};
depthStencilState.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
depthStencilState.depthTestEnable = VK_TRUE;
depthStencilState.depthWriteEnable = VK_TRUE;
depthStencilState.depthCompareOp = VK_COMPARE_OP_ALWAYS;
depthStencilState.minDepthBounds = 0.0f;
depthStencilState.maxDepthBounds = 1.0f;
VkPipelineColorBlendStateCreateInfo colorBlendState{};
colorBlendState.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
const VkDynamicState dynamicStates[] = {VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR};
VkPipelineDynamicStateCreateInfo dynamicState{};
dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
dynamicState.dynamicStateCount = static_cast<Uint32>(sizeof(dynamicStates) / sizeof(dynamicStates[0]));
dynamicState.pDynamicStates = dynamicStates;
VkGraphicsPipelineCreateInfo pipelineCreateInfo{};
pipelineCreateInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
pipelineCreateInfo.stageCount = static_cast<Uint32>(programObj.stages.size());
pipelineCreateInfo.pStages = programObj.stages.data();
pipelineCreateInfo.pVertexInputState = &kEmptyVertexInputState;
pipelineCreateInfo.pInputAssemblyState = &inputAssembly;
pipelineCreateInfo.pViewportState = &viewportState;
pipelineCreateInfo.pRasterizationState = &rasterizationState;
pipelineCreateInfo.pMultisampleState = &multisampleState;
pipelineCreateInfo.pDepthStencilState = &depthStencilState;
pipelineCreateInfo.pColorBlendState = &colorBlendState;
pipelineCreateInfo.pDynamicState = &dynamicState;
pipelineCreateInfo.layout = programObj.pipelineLayout;
pipelineCreateInfo.renderPass = renderPass;
pipelineCreateInfo.subpass = 0;
VkPipeline pipeline = VK_NULL_HANDLE;
VK_VERIFY(vkCreateGraphicsPipelines(m_device, VK_NULL_HANDLE, 1, &pipelineCreateInfo, nullptr, &pipeline),
"GenerateDepthMipmapWithShader: vkCreateGraphicsPipelines");
deferredCleanup.renderPasses.push_back(renderPass);
deferredCleanup.pipelines.push_back(pipeline);
auto createMipView = [&](Uint32 mipLevel, VkImageAspectFlags aspectMask) {
VkImageViewCreateInfo viewCreateInfo{};
viewCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
viewCreateInfo.image = resource.image;
viewCreateInfo.viewType = resource.viewType;
viewCreateInfo.format = resource.format;
viewCreateInfo.components.r = VK_COMPONENT_SWIZZLE_IDENTITY;
viewCreateInfo.components.g = VK_COMPONENT_SWIZZLE_IDENTITY;
viewCreateInfo.components.b = VK_COMPONENT_SWIZZLE_IDENTITY;
viewCreateInfo.components.a = VK_COMPONENT_SWIZZLE_IDENTITY;
viewCreateInfo.subresourceRange.aspectMask = aspectMask;
viewCreateInfo.subresourceRange.baseMipLevel = mipLevel;
viewCreateInfo.subresourceRange.levelCount = 1;
viewCreateInfo.subresourceRange.baseArrayLayer = 0;
viewCreateInfo.subresourceRange.layerCount = 1;
VkImageView view = VK_NULL_HANDLE;
VK_VERIFY(vkCreateImageView(m_device, &viewCreateInfo, nullptr, &view),
"GenerateDepthMipmapWithShader: vkCreateImageView");
return view;
};
VkPipelineStageFlags originalSrcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags originalSrcAccessMask = 0;
GetImageTransitionSourceState(originalLayout, originalSrcStageMask, originalSrcAccessMask);
VkPipelineStageFlags finalDstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags finalDstAccessMask = 0;
GetImageTransitionDestinationState(finalLayout, finalDstStageMask, finalDstAccessMask);
VkPipelineStageFlags attachmentStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags attachmentAccessMask = 0;
GetImageTransitionDestinationState(VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
attachmentStageMask, attachmentAccessMask);
if (originalLayout != finalLayout) {
if (baseMipLevel > 0) {
VkImageLayout lowerMipLayout = originalLayout;
const Bool lowerReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource.image, lowerMipLayout, finalLayout,
originalSrcStageMask, finalDstStageMask,
originalSrcAccessMask, finalDstAccessMask,
resource.aspect, 0, baseMipLevel);
MOBILEGL_ASSERT(lowerReady, "%s: failed to transition lower untouched mip levels", __func__);
}
if (generateMipLevelCount < resource.mipLevels) {
VkImageLayout upperMipLayout = originalLayout;
const Bool upperReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource.image, upperMipLayout, finalLayout,
originalSrcStageMask, finalDstStageMask,
originalSrcAccessMask, finalDstAccessMask,
resource.aspect, generateMipLevelCount, resource.mipLevels - generateMipLevelCount);
MOBILEGL_ASSERT(upperReady, "%s: failed to transition upper untouched mip levels", __func__);
}
VkImageLayout baseMipLayout = originalLayout;
const Bool baseReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource.image, baseMipLayout, finalLayout,
originalSrcStageMask, finalDstStageMask,
originalSrcAccessMask, finalDstAccessMask,
resource.aspect, baseMipLevel, 1);
MOBILEGL_ASSERT(baseReady, "%s: failed to transition base mip level to sampled layout", __func__);
}
resource.layout = finalLayout;
auto* depthProgramData = static_cast<Uint8*>(m_depthMipmapResources.program->MapUBO());
MOBILEGL_ASSERT(depthProgramData != nullptr, "GenerateDepthMipmapWithShader: depth mipmap UBO is null");
auto writeUniform = [&](Int location, const void* data, SizeT size) {
MOBILEGL_ASSERT(location >= 0, "GenerateDepthMipmapWithShader: invalid uniform location");
const Uint offset = m_depthMipmapResources.program->GetUniformOffset(static_cast<Uint>(location));
MOBILEGL_ASSERT(offset + size <= m_depthMipmapResources.program->GetUBOSize(),
"GenerateDepthMipmapWithShader: uniform write out of bounds");
memcpy(depthProgramData + offset, data, size);
m_depthMipmapResources.program->MarkUBOContentDirty();
};
for (Uint32 level = baseMipLevel + 1; level < generateMipLevelCount; ++level) {
VkImageLayout dstMipLayout = originalLayout;
const Bool dstReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource.image, dstMipLayout, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
originalSrcStageMask, attachmentStageMask,
originalSrcAccessMask, attachmentAccessMask,
resource.aspect, level, 1);
MOBILEGL_ASSERT(dstReady, "%s: failed to transition mip level %u to depth attachment layout", __func__, level);
const IntVec3 srcTexelSize = ComputeMipTexelSize(storageBaseTexelSize, level - 1);
const IntVec3 dstTexelSize = ComputeMipTexelSize(storageBaseTexelSize, level);
const Int srcTexelSizeUniform[2] = {srcTexelSize.x(), srcTexelSize.y()};
const VkImageView sourceImageView = createMipView(level - 1, VK_IMAGE_ASPECT_DEPTH_BIT);
const VkImageView depthAttachmentView = createMipView(level, resource.aspect);
deferredCleanup.imageViews.push_back(sourceImageView);
deferredCleanup.imageViews.push_back(depthAttachmentView);
VkFramebufferCreateInfo framebufferCreateInfo{};
framebufferCreateInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
framebufferCreateInfo.renderPass = renderPass;
framebufferCreateInfo.attachmentCount = 1;
framebufferCreateInfo.pAttachments = &depthAttachmentView;
framebufferCreateInfo.width = static_cast<Uint32>(dstTexelSize.x());
framebufferCreateInfo.height = static_cast<Uint32>(dstTexelSize.y());
framebufferCreateInfo.layers = 1;
VkFramebuffer framebuffer = VK_NULL_HANDLE;
VK_VERIFY(vkCreateFramebuffer(m_device, &framebufferCreateInfo, nullptr, &framebuffer),
"GenerateDepthMipmapWithShader: vkCreateFramebuffer");
deferredCleanup.framebuffers.push_back(framebuffer);
VkRenderPassBeginInfo renderPassBeginInfo{};
renderPassBeginInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.framebuffer = framebuffer;
renderPassBeginInfo.renderArea.offset = {0, 0};
renderPassBeginInfo.renderArea.extent = {
static_cast<Uint32>(dstTexelSize.x()), static_cast<Uint32>(dstTexelSize.y())
};
vkCmdBeginRenderPass(frame.commandBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport{};
viewport.x = 0.0f;
viewport.y = 0.0f;
viewport.width = static_cast<float>(dstTexelSize.x());
viewport.height = static_cast<float>(dstTexelSize.y());
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
vkCmdSetViewport(frame.commandBuffer, 0, 1, &viewport);
VkRect2D scissor{};
scissor.offset = {0, 0};
scissor.extent = {static_cast<Uint32>(dstTexelSize.x()), static_cast<Uint32>(dstTexelSize.y())};
vkCmdSetScissor(frame.commandBuffer, 0, 1, &scissor);
vkCmdBindPipeline(frame.commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
std::fill(depthProgramData,
depthProgramData + m_depthMipmapResources.program->GetUBOSize(),
Uint8{0});
BlitUniformData blitUniformData{};
writeUniform(m_depthMipmapResources.srcRectLocation,
blitUniformData.srcRect,
sizeof(blitUniformData.srcRect));
writeUniform(m_depthMipmapResources.dstRectLocation,
blitUniformData.dstRect,
sizeof(blitUniformData.dstRect));
writeUniform(m_depthMipmapResources.surfaceTransformLocation,
&blitUniformData.surfaceTransform,
sizeof(blitUniformData.surfaceTransform));
writeUniform(m_depthMipmapResources.srcTexelSizeLocation,
srcTexelSizeUniform,
sizeof(srcTexelSizeUniform));
const auto samplerBindingOverride = UniformManager::SamplerBindingOverride{
.binding = m_depthMipmapResources.samplerBinding,
.texture = &texture,
.sampler = m_blitResources.nearestSampler.get(),
.imageView = sourceImageView,
};
const Bool bound = m_uniformManager->BindProgramUniformBuffers(
frame.commandBuffer, *m_depthMipmapResources.program, programObj,
m_frameContext.GetCurrentFrameIndex(), VK_PIPELINE_BIND_POINT_GRAPHICS, &samplerBindingOverride);
MOBILEGL_ASSERT(bound, "GenerateDepthMipmapWithShader: BindProgramUniformBuffers failed");
vkCmdDraw(frame.commandBuffer, 3, 1, 0, 0);
vkCmdEndRenderPass(frame.commandBuffer);
VkImageLayout finishedMipLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
const Bool finishedReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource.image, finishedMipLayout, finalLayout,
attachmentStageMask, finalDstStageMask,
attachmentAccessMask, finalDstAccessMask,
resource.aspect, level, 1);
MOBILEGL_ASSERT(finishedReady, "%s: failed to transition mip level %u to sampled layout", __func__, level);
}
return true;
}
VkPipeline VulkanRenderer::GetOrCreatePipeline(
GLenum mode,
const MG_State::GLState::ProgramObject& program,
const ProgramFactory::VkProgramObject& programObj,
ProgramFactory::CompileOptionFlags transformFlags,
const MG_State::GLState::VertexArrayObject& vao,
const RenderPassEntry& renderPassEntry) {
Bool invertClockwise = transformFlags & ProgramFactory::CompileOptionBit::PositionYFlip;
if (programObj.stages.empty()) {
MGLOG_D("GetOrCreatePipeline skipped: program has no shader stages");
return VK_NULL_HANDLE;
}
// Fast path: skip the full pipeline resolution when the pipeline state is unchanged from the
// previous draw (the common intra-batch case). The key provably covers every
// PipelineCreatePayload field: draw mode (topology + polygon-fill depth-bias gate), program
// content hash (folds program identity + link version + transform flags + shader stages),
// vertex-input hash (VAO layout), render-pass hash (render targets + the draw-buffer/format
// driven blend & write-mask gating), and the render-state version (all fixed-function state).
// Reset per-frame and on pipeline destruction so m_lastPipelineResult can never dangle.
const Uint64 vertexInputHash = m_vertexInputStateFactory->GetOrComputeHash(vao);
const Uint64 renderPassHash = renderPassEntry.hash;
const Uint renderStateVersion = MG_State::pGLContext->GetRenderStateParametersVersion();
if (m_lastPipelineValid && m_lastPipelineResult != VK_NULL_HANDLE && m_lastPipelineMode == mode &&
m_lastPipelineProgramHash == programObj.hash && m_lastPipelineVertexInputHash == vertexInputHash &&
m_lastPipelineRenderPassHash == renderPassHash &&
m_lastPipelineRenderStateVersion == renderStateVersion &&
m_lastPipelineTransformFlags == transformFlags) {
return m_lastPipelineResult;
}
#if MOBILEGL_LOG_ACTIVE_LEVEL <= MOBILEGL_LOG_LEVEL_DEBUG
const auto& limits = m_physicalDevice.properties.limits;
if (programObj.fragmentInputComponentCount != 0) {
MOBILEGL_ASSERT(
programObj.fragmentInputComponentCount <= limits.maxFragmentInputComponents,
"GetOrCreatePipeline: fragmentInputComponents=%u exceeds device limit=%u program=%u producerStage=%d",
programObj.fragmentInputComponentCount,
limits.maxFragmentInputComponents,
program.GetExternalIndex(),
static_cast<Int>(programObj.rasterizationProducerStage));
}
if (programObj.producerOutputComponentCount != 0) {
Uint32 producerOutputLimit = 0;
switch (programObj.rasterizationProducerStage) {
case ShaderStage::Vertex:
producerOutputLimit = limits.maxVertexOutputComponents;
break;
case ShaderStage::Geometry:
producerOutputLimit = limits.maxGeometryOutputComponents;
break;
case ShaderStage::TessEval:
producerOutputLimit = limits.maxTessellationEvaluationOutputComponents;
break;
default:
break;
}
if (producerOutputLimit != 0) {
MOBILEGL_ASSERT(
programObj.producerOutputComponentCount <= producerOutputLimit,
"GetOrCreatePipeline: producerOutputComponents=%u exceeds stage limit=%u program=%u producerStage=%d",
programObj.producerOutputComponentCount,
producerOutputLimit,
program.GetExternalIndex(),
static_cast<Int>(programObj.rasterizationProducerStage));
}
}
#endif
// vertexInputHash was computed above for the fast-path key; reuse it here.
auto& vis = m_vertexInputStateFactory->GetOrCreateVertexInputState(vao, vertexInputHash);
const Uint32 vertexInputAttribMask = BuildVertexInputAttributeMask(vis.attributes);
const Uint32 activeAttribMask = programObj.activeVertexInputLocationMask;
const Uint32 missingAttribMask = activeAttribMask & ~vertexInputAttribMask;
auto& patchedAttributes = m_patchedAttributesScratch;
patchedAttributes.assign(vis.attributes.begin(), vis.attributes.end());
Bool hasPatchedVertexAttributes = false;
for (auto& attribute : patchedAttributes) {
if (attribute.location >= kMaxVertexAttribs || (activeAttribMask & (1u << attribute.location)) == 0) {
continue;
}
const GLenum shaderInputType = programObj.vertexInputTypes[attribute.location];
const NumericDomain shaderInputDomain = GetNumericDomainForShaderValueType(shaderInputType);
const NumericDomain vertexInputDomain = GetNumericDomainForVertexFormat(attribute.format);
if (shaderInputDomain == NumericDomain::Unknown || vertexInputDomain == NumericDomain::Unknown ||
shaderInputDomain == vertexInputDomain) {
continue;
}
VkFormat patchedFormat = VK_FORMAT_UNDEFINED;
const Bool canPatch = TryCoerceVertexFormatNumericDomain(attribute.format, shaderInputDomain, patchedFormat);
MOBILEGL_ASSERT(
canPatch,
"GetOrCreatePipeline: vertex input location=%u format=%d mismatches shader input type=%u program=%u",
attribute.location,
static_cast<Int>(attribute.format),
static_cast<Uint32>(shaderInputType),
program.GetExternalIndex());
MGLOG_W("GetOrCreatePipeline: patching vertex input location=%u format=%d -> %d to match shader input type=%u for program=%u",
attribute.location,
static_cast<Int>(attribute.format),
static_cast<Int>(patchedFormat),
static_cast<Uint32>(shaderInputType),
program.GetExternalIndex());
attribute.format = patchedFormat;
hasPatchedVertexAttributes = true;
}
VertexInputStateBuilder syntheticVertexInputBuilder;
const VkPipelineVertexInputStateCreateInfo* pipelineVertexInputState = &vis.state;
if (missingAttribMask != 0 || hasPatchedVertexAttributes) {
for (const auto& binding : vis.bindings) {
syntheticVertexInputBuilder.AddBinding(binding.binding, binding.stride, binding.inputRate);
}
for (const auto& attribute : patchedAttributes) {
syntheticVertexInputBuilder.AddAttribute(attribute.location, attribute.binding, attribute.format,
attribute.offset);
}
Uint32 syntheticBinding = static_cast<Uint32>(vis.bindings.size());
for (Uint32 location = 0; location < kMaxVertexAttribs; ++location) {
if ((missingAttribMask & (1u << location)) == 0) {
continue;
}
VkFormat format = VK_FORMAT_UNDEFINED;
const Bool supported = TryGetCurrentVertexAttributeFormat(programObj.vertexInputTypes[location], format);
MOBILEGL_ASSERT(supported,
"DirectVulkan does not support current generic vertex attribute type yet: program=%u location=%u type=0x%x activeAttribMask=0x%x vertexInputAttribMask=0x%x",
program.GetExternalIndex(), location, programObj.vertexInputTypes[location],
activeAttribMask, vertexInputAttribMask);
syntheticVertexInputBuilder.AddBinding(syntheticBinding, 0, VK_VERTEX_INPUT_RATE_VERTEX);
syntheticVertexInputBuilder.AddAttribute(location, syntheticBinding, format, 0);
++syntheticBinding;
}
pipelineVertexInputState = &syntheticVertexInputBuilder.Build();
}
auto cullFaceEnabled = MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::CullFace);
auto depthTestEnabled = MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::DepthTest);
auto polygonOffsetFillEnabled =
MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::PolygonOffsetFill) &&
DrawModeUsesPolygonFill(mode);
auto rasterizerDiscardEnabled =
MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::RasterizerDiscard);
auto colorLogicOpEnabled =
MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::ColorLogicOp) && m_logicOpFeatureEnabled;
auto stencilTestEnabled = MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::StencilTest);
const StencilFaceState& frontStencil = MG_State::pGLContext->GetStencilState(StencilFace::Front);
const StencilFaceState& backStencil = MG_State::pGLContext->GetStencilState(StencilFace::Back);
const VkPolygonMode requestedPolygonMode =
MG_Util::ConvertPolygonModeToVkEnum(MG_State::pGLContext->GetPolygonModeFront());
// VK_POLYGON_MODE_LINE/_POINT require the fillModeNonSolid device feature; fall back to
// VK_POLYGON_MODE_FILL when the device lacks it.
const VkPolygonMode effectivePolygonMode =
(requestedPolygonMode == VK_POLYGON_MODE_FILL || m_fillModeNonSolidFeatureEnabled)
? requestedPolygonMode
: VK_POLYGON_MODE_FILL;
const VkPrimitiveTopology vkTopology = MG_Util::ConvertPrimitiveModeToVkEnum(mode);
const Bool primitiveRestartEnabled =
MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::PrimitiveRestart) ||
MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::PrimitiveRestartFixedIndex);
// Primitive restart on a *list* topology requires the primitiveTopologyListRestart feature;
// strip/fan restart works without it. Silently dropping restarts would corrupt geometry, so
// hard-fail here (at the draw) with the reason when the device lacks the feature.
const auto isListTopology = [](VkPrimitiveTopology t) {
return t == VK_PRIMITIVE_TOPOLOGY_POINT_LIST || t == VK_PRIMITIVE_TOPOLOGY_LINE_LIST ||
t == VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST ||
t == VK_PRIMITIVE_TOPOLOGY_LINE_LIST_WITH_ADJACENCY ||
t == VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_WITH_ADJACENCY || t == VK_PRIMITIVE_TOPOLOGY_PATCH_LIST;
};
if (primitiveRestartEnabled && !m_primitiveTopologyListRestartFeatureEnabled && isListTopology(vkTopology)) {
THROW_EXCEPTION("Primitive restart on a list topology requires the primitiveTopologyListRestart device "
"feature (VK_EXT_primitive_topology_list_restart), which this device does not support; use "
"a strip/fan topology or a device that supports it.");
}
PipelineFactory::PipelineCreatePayload payload {
.programHash = programObj.hash,
.vertexInputHash = vertexInputHash,
.pipelineLayout = programObj.pipelineLayout,
.renderPass = renderPassEntry.renderPass,
.colorAttachmentCount = renderPassEntry.colorAttachmentCount,
.rasterizationSamples = renderPassEntry.sampleCount,
.subpass = 0,
.topology = vkTopology,
.primitiveRestartEnable = primitiveRestartEnabled,
.polygonMode = effectivePolygonMode,
.cullMode = cullFaceEnabled
? MG_Util::ConvertCullFaceModeToVkEnum(MG_State::pGLContext->GetCullFaceMode(), invertClockwise)
: VK_CULL_MODE_NONE,
.frontFace = VK_FRONT_FACE_CLOCKWISE,
.depthTestEnable = depthTestEnabled,
.depthWriteEnable = depthTestEnabled && MG_State::pGLContext->GetDepthMask(),
.depthBiasEnable = polygonOffsetFillEnabled,
.rasterizerDiscardEnable = rasterizerDiscardEnabled,
.logicOpEnable = colorLogicOpEnabled,
.stencilTestEnable = stencilTestEnabled,
.depthCompareOp = MG_Util::ConvertDepthTestFuncToVkEnum(MG_State::pGLContext->GetDepthFunc()),
.logicOp = MG_Util::ConvertLogicOperationToVkEnum(MG_State::pGLContext->GetLogicOp()),
.frontStencilFailOp = MG_Util::ConvertStencilOperationToVkEnum(frontStencil.FailOp),
.frontStencilPassOp = MG_Util::ConvertStencilOperationToVkEnum(frontStencil.PassDepthPassOp),
.frontStencilDepthFailOp = MG_Util::ConvertStencilOperationToVkEnum(frontStencil.PassDepthFailOp),
.frontStencilCompareOp = MG_Util::ConvertDepthTestFuncToVkEnum(frontStencil.Func),
.backStencilFailOp = MG_Util::ConvertStencilOperationToVkEnum(backStencil.FailOp),
.backStencilPassOp = MG_Util::ConvertStencilOperationToVkEnum(backStencil.PassDepthPassOp),
.backStencilDepthFailOp = MG_Util::ConvertStencilOperationToVkEnum(backStencil.PassDepthFailOp),
.backStencilCompareOp = MG_Util::ConvertDepthTestFuncToVkEnum(backStencil.Func),
.fragmentReplacesDepth = programObj.fragmentReplacesDepth,
.stages = &programObj.stages,
.vertexInputState = pipelineVertexInputState
};
if (!payload.stencilTestEnable) {
payload.frontStencilFailOp = VK_STENCIL_OP_KEEP;
payload.frontStencilPassOp = VK_STENCIL_OP_KEEP;
payload.frontStencilDepthFailOp = VK_STENCIL_OP_KEEP;
payload.frontStencilCompareOp = VK_COMPARE_OP_ALWAYS;
payload.backStencilFailOp = VK_STENCIL_OP_KEEP;
payload.backStencilPassOp = VK_STENCIL_OP_KEEP;
payload.backStencilDepthFailOp = VK_STENCIL_OP_KEEP;
payload.backStencilCompareOp = VK_COMPARE_OP_ALWAYS;
}
const Bool hasDepthStencilAttachment = renderPassEntry.hasDepthStencilAttachment;
if (!hasDepthStencilAttachment &&
(payload.depthTestEnable || payload.depthWriteEnable || payload.stencilTestEnable)) {
MGLOG_D("GetOrCreatePipeline: disabling depth/stencil tests for program=%u because render pass has no depth attachment (attachmentCount=%u colorAttachmentCount=%u)",
program.GetExternalIndex(),
renderPassEntry.attachmentCount,
renderPassEntry.colorAttachmentCount);
payload.depthTestEnable = false;
payload.depthWriteEnable = false;
payload.stencilTestEnable = false;
payload.depthCompareOp = VK_COMPARE_OP_ALWAYS;
payload.frontStencilFailOp = VK_STENCIL_OP_KEEP;
payload.frontStencilPassOp = VK_STENCIL_OP_KEEP;
payload.frontStencilDepthFailOp = VK_STENCIL_OP_KEEP;
payload.frontStencilCompareOp = VK_COMPARE_OP_ALWAYS;
payload.backStencilFailOp = VK_STENCIL_OP_KEEP;
payload.backStencilPassOp = VK_STENCIL_OP_KEEP;
payload.backStencilDepthFailOp = VK_STENCIL_OP_KEEP;
payload.backStencilCompareOp = VK_COMPARE_OP_ALWAYS;
}
const Uint32 fragmentOutputMask = programObj.activeFragmentOutputLocationMask;
MOBILEGL_ASSERT(
(fragmentOutputMask >> payload.colorAttachmentCount) == 0,
"GetOrCreatePipeline: fragmentOutputMask=0x%x exceeds colorAttachmentCount=%u for program=%u",
fragmentOutputMask,
payload.colorAttachmentCount,
program.GetExternalIndex());
MOBILEGL_ASSERT(payload.colorAttachmentCount <= PipelineFactory::PipelineCreatePayload::kMaxColorAttachments,
"GetOrCreatePipeline: colorAttachmentCount=%u exceeds payload capacity",
payload.colorAttachmentCount);
const auto& drawFboBinding =
MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw).GetBoundObject();
MOBILEGL_ASSERT(drawFboBinding != nullptr, "GetOrCreatePipeline: draw framebuffer is null");
const Bool isDefaultDrawFbo = drawFboBinding->IsDefaultFramebuffer();
const auto& drawBuffers = drawFboBinding->GetDrawBuffers();
auto resolveCompleteColorAttachmentTexture = [&](Uint32 drawBufferIndex) -> MG_State::GLState::ITextureObject* {
if (isDefaultDrawFbo || drawBufferIndex >= drawBuffers.size()) {
return nullptr;
}
const auto drawBuffer = drawBuffers[drawBufferIndex];
if (drawBuffer == FramebufferAttachmentType::None) {
return nullptr;
}
const auto& attachment = drawFboBinding->GetAttachment(drawBuffer);
if (!attachment.IsTexture() || !attachment.IsComplete()) {
return nullptr;
}
return attachment.GetTexture().get();
};
for (Uint32 i = 0; i < payload.colorAttachmentCount; ++i) {
BlendFactor srcRGB = BlendFactor::One;
BlendFactor dstRGB = BlendFactor::Zero;
BlendFactor srcAlpha = BlendFactor::One;
BlendFactor dstAlpha = BlendFactor::Zero;
BlendEquation colorEquation = BlendEquation::Add;
BlendEquation alphaEquation = BlendEquation::Add;
MG_State::pGLContext->GetBlendFuncIndexed(i, srcRGB, dstRGB, srcAlpha, dstAlpha);
MG_State::pGLContext->GetBlendEquationIndexed(i, colorEquation, alphaEquation);
const Bool blendEnabled = MG_State::pGLContext->IsCapabilityEnabledIndexed(CapabilityInput::Blend, i);
// Per-draw-buffer color write mask (glColorMaski). Divergent per-attachment masks require
// the independentBlend device feature; when it is absent, fall back to draw buffer 0's
// mask for every attachment (matching the non-indexed glColorMask broadcast).
const BoolVec4 bufferMask =
MG_State::pGLContext->GetColorMaskIndexed(m_independentBlendFeatureEnabled ? i : 0);
VkColorComponentFlags attachmentColorWriteMask = static_cast<VkColorComponentFlags>(
(bufferMask.r() ? VK_COLOR_COMPONENT_R_BIT : 0u) |
(bufferMask.g() ? VK_COLOR_COMPONENT_G_BIT : 0u) |
(bufferMask.b() ? VK_COLOR_COMPONENT_B_BIT : 0u) |
(bufferMask.a() ? VK_COLOR_COMPONENT_A_BIT : 0u));
Bool effectiveBlendEnabled = blendEnabled;
MG_State::GLState::ITextureObject* colorAttachmentTexture = nullptr;
MG_State::GLState::RenderbufferObject* colorAttachmentRenderbuffer = nullptr;
if (isDefaultDrawFbo && i < drawBuffers.size() &&
drawBuffers[i] == FramebufferAttachmentType::None) {
// The default framebuffer spans the same MAX_DRAW_BUFFERS slots as an FBO
// (slot 0 is the back buffer, or None after glDrawBuffer(GL_NONE); slots
// 1+ are always None). Discard writes and blend state for the None slots
// like the FBO path below does, so stale indexed blend state on phantom
// slots cannot leak into the pipeline - most notably into the blended
// depth-write quirk's accumulation scan.
attachmentColorWriteMask = 0;
effectiveBlendEnabled = false;
}
if (!isDefaultDrawFbo && i < drawBuffers.size()) {
const auto drawBuffer = drawBuffers[i];
colorAttachmentTexture = resolveCompleteColorAttachmentTexture(i);
if (colorAttachmentTexture == nullptr && drawBuffer != FramebufferAttachmentType::None) {
const auto& attachment = drawFboBinding->GetAttachment(drawBuffer);
if (attachment.IsRenderbuffer() && attachment.IsComplete()) {
colorAttachmentRenderbuffer = attachment.GetRenderbuffer().get();
}
}
if (drawBuffer == FramebufferAttachmentType::None ||
(colorAttachmentTexture == nullptr && colorAttachmentRenderbuffer == nullptr)) {
// GL ignores writes and per-target blend state for GL_NONE draw buffer slots.
// Depth-only or otherwise unattached draw buffers should also discard color writes.
attachmentColorWriteMask = 0;
effectiveBlendEnabled = false;
}
if (colorAttachmentRenderbuffer != nullptr) {
const SizeT componentCount = MG_Util::GetBaseInternalFormatComponentCount(
colorAttachmentRenderbuffer->GetInternalFormat());
attachmentColorWriteMask &= GetSupportedColorWriteMaskForComponentCount(componentCount);
}
if (colorAttachmentTexture != nullptr) {
auto* texture = colorAttachmentTexture;
#if MOBILEGL_LOG_ACTIVE_LEVEL <= MOBILEGL_LOG_LEVEL_DEBUG
const auto* textureResource = m_textureManager->SyncTextureAndGetDescriptor(*texture);
MOBILEGL_ASSERT(textureResource != nullptr,
"GetOrCreatePipeline: failed to sync color attachment textureId=%d",
texture->GetExternalIndex());
VkFormatProperties attachmentFormatProperties{};
vkGetPhysicalDeviceFormatProperties(
m_physicalDevice.handle,
textureResource->format,
&attachmentFormatProperties);
MOBILEGL_ASSERT(
(attachmentFormatProperties.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT) != 0,
"GetOrCreatePipeline: color attachment %u format=%d textureId=%d lacks VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT (program=%u)",
i,
static_cast<Int>(textureResource->format),
texture->GetExternalIndex(),
program.GetExternalIndex());
#endif
const SizeT componentCount = MG_Util::GetBaseInternalFormatComponentCount(texture->GetFormat());
#if MOBILEGL_LOG_ACTIVE_LEVEL <= MOBILEGL_LOG_LEVEL_DEBUG
const NumericDomain attachmentNumericDomain =
GetNumericDomainForTextureInternalFormat(texture->GetFormat());
for (Uint32 outputLocation = 0;
outputLocation < ProgramFactory::VkProgramObject::kMaxVertexInputLocations;
++outputLocation) {
if ((programObj.activeFragmentOutputLocationMask & (1u << outputLocation)) == 0 ||
outputLocation != i) {
continue;
}
const GLenum fragmentOutputType = programObj.fragmentOutputTypes[outputLocation];
const NumericDomain fragmentOutputDomain =
GetNumericDomainForShaderValueType(fragmentOutputType);
// GL allows fragment outputs with more components than the bound color attachment;
// excess components are discarded during conversion to the attachment format.
MOBILEGL_ASSERT(
attachmentNumericDomain == NumericDomain::Unknown ||
fragmentOutputDomain == NumericDomain::Unknown ||
attachmentNumericDomain == fragmentOutputDomain,
"GetOrCreatePipeline: fragment output location=%d type=%u mismatches color attachment %u internalFormat=%d textureId=%d program=%u",
static_cast<Int>(outputLocation),
static_cast<Uint32>(fragmentOutputType),
i,
static_cast<Int>(texture->GetFormat()),
texture->GetExternalIndex(),
program.GetExternalIndex());
}
#endif
const VkColorComponentFlags supportedColorWriteMask =
GetSupportedColorWriteMaskForComponentCount(componentCount);
if ((attachmentColorWriteMask & ~supportedColorWriteMask) != 0) {
MGLOG_W(
"GetOrCreatePipeline: clamping colorWriteMask=0x%x to 0x%x on color attachment %u (componentCount=%zu textureId=%d internalFormat=%d program=%u blendEnabled=%d)",
static_cast<Uint32>(attachmentColorWriteMask),
static_cast<Uint32>(attachmentColorWriteMask & supportedColorWriteMask),
i,
componentCount,
texture->GetExternalIndex(),
static_cast<Int>(texture->GetFormat()),
program.GetExternalIndex(),
effectiveBlendEnabled ? 1 : 0);
attachmentColorWriteMask &= supportedColorWriteMask;
}
}
}
if (effectiveBlendEnabled) {
MOBILEGL_ASSERT(i < drawBuffers.size(),
"GetOrCreatePipeline: color attachment %u is out of draw buffer range %zu",
i, drawBuffers.size());
VkFormat colorAttachmentFormat = VK_FORMAT_UNDEFINED;
Int textureExternalIndex = -1;
if (isDefaultDrawFbo) {
colorAttachmentFormat = m_swapchainObject.GetSurfaceFormat().format;
} else if (colorAttachmentRenderbuffer != nullptr) {
textureExternalIndex = static_cast<Int>(colorAttachmentRenderbuffer->GetExternalIndex());
colorAttachmentFormat = MG_Util::ConvertTextureInternalFormatToVkEnum(
colorAttachmentRenderbuffer->GetInternalFormat());
} else {
auto* texture = colorAttachmentTexture;
MOBILEGL_ASSERT(texture != nullptr,
"GetOrCreatePipeline: blend is enabled on draw buffer %u but no complete color attachment is bound",
i);
textureExternalIndex = texture->GetExternalIndex();
auto* textureResource = m_textureManager->SyncTextureAndGetDescriptor(*texture);
MOBILEGL_ASSERT(textureResource != nullptr,
"GetOrCreatePipeline: failed to sync blend color attachment textureId=%d",
texture->GetExternalIndex());
colorAttachmentFormat = textureResource->format;
}
// Blending on an attachment whose format lacks
// VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT is invalid pipeline state
// (blend support is optional for e.g. 32-bit float formats on some GPUs);
// force-disable it instead of baking undefined behavior into the pipeline.
static UnorderedMap<Int, Bool> formatBlendSupport;
auto blendSupportIt = formatBlendSupport.find(static_cast<Int>(colorAttachmentFormat));
if (blendSupportIt == formatBlendSupport.end()) {
VkFormatProperties formatProperties{};
vkGetPhysicalDeviceFormatProperties(m_physicalDevice.handle, colorAttachmentFormat,
&formatProperties);
const Bool blendable =
(formatProperties.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT) != 0;
blendSupportIt =
formatBlendSupport.emplace(static_cast<Int>(colorAttachmentFormat), blendable).first;
if (!blendable) {
MGLOG_E("GetOrCreatePipeline: format=%d lacks VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT; "
"disabling blending on attachments with this format (first hit: attachment %u textureId=%d program=%u)",
static_cast<Int>(colorAttachmentFormat), i, textureExternalIndex,
program.GetExternalIndex());
if (PipelineFactory::IsSuppressBlendedDepthWriteEnabled()) {
// With blending force-disabled the blended depth-write quirk can
// never fire for pipelines on this format, so a depth-equality
// chain that accumulates into it (MC 26.3 OIT depth_bounds on
// RGBA32F) keeps its depth writes and may flicker on this driver.
MGLOG_W("GetOrCreatePipeline: format=%d is not blendable, so the blended "
"depth-write quirk cannot apply to it; depth-equality chains "
"accumulating into this format may flicker",
static_cast<Int>(colorAttachmentFormat));
}
}
}
if (!blendSupportIt->second) {
effectiveBlendEnabled = false;
}
}
// Dual-source blending (GL_SRC1_* factors from glBlendFunc paired with
// glBindFragDataLocationIndexed) requires the dualSrcBlend device feature. It is detected at
// device creation and surfaced in the POST; if a shader actually issues a draw with a SRC1
// factor on a device that lacks it, there is no fallback, so hard-fail here at use time
// rather than silently mistranslating the blend equation.
if (effectiveBlendEnabled && !m_dualSrcBlendFeatureEnabled &&
(IsDualSourceBlendFactor(srcRGB) || IsDualSourceBlendFactor(dstRGB) ||
IsDualSourceBlendFactor(srcAlpha) || IsDualSourceBlendFactor(dstAlpha))) {
THROW_EXCEPTION(
"Dual-source blending (GL_SRC1_* blend factor) was used on color attachment " +
std::to_string(i) +
", but the Vulkan device does not support the dualSrcBlend feature (see the "
"dualSrcBlend row in the driver POST). No fallback exists; the draw cannot proceed.");
}
payload.colorBlendAttachments[i] = MakeColorBlendAttachmentState(
effectiveBlendEnabled,
MG_Util::ConvertBlendFactorToVkEnum(srcRGB),
MG_Util::ConvertBlendFactorToVkEnum(dstRGB),
MG_Util::ConvertBlendEquationToVkEnum(colorEquation),
MG_Util::ConvertBlendFactorToVkEnum(srcAlpha),
MG_Util::ConvertBlendFactorToVkEnum(dstAlpha),
MG_Util::ConvertBlendEquationToVkEnum(alphaEquation),
attachmentColorWriteMask);
}
VkPipeline pipeline = m_pipelineFactory->GetOrCreatePipeline(payload);
if (pipeline != VK_NULL_HANDLE) {
m_lastPipelineValid = true;
m_lastPipelineMode = mode;
m_lastPipelineProgramHash = programObj.hash;
m_lastPipelineVertexInputHash = vertexInputHash;
m_lastPipelineRenderPassHash = renderPassHash;
m_lastPipelineRenderStateVersion = renderStateVersion;
m_lastPipelineTransformFlags = transformFlags;
m_lastPipelineResult = pipeline;
}
return pipeline;
}
Bool VulkanRenderer::PrepareStorageImageTextures(
VkCommandBuffer commandBuffer,
const MG_State::GLState::ProgramObject& program,
const ProgramFactory::VkProgramObject& programObj) {
if (!programObj.hasStorageImages) {
return true;
}
auto& storageTextures = m_storageImageTexturesScratch;
if (!m_uniformManager->CollectStorageImageTextures(program, programObj, storageTextures)) {
MGLOG_E("%s: failed to collect storage images for program=%u",
__func__, program.GetExternalIndex());
return false;
}
if (storageTextures.empty()) {
return true;
}
// Steady-state fast path: when every collected texture is already resident in GENERAL
// with no pending clear and no dirty content, the loop below has nothing to record, so
// keep the render pass alive instead of splitting it on every storage-image draw (on
// tiled GPUs each split is a full tile load/store). GL makes cross-draw image-store
// coherence the app's job (glMemoryBarrier), so no implicit barrier is owed here.
Bool anyNeedsPreparation = false;
for (auto* texture : storageTextures) {
MOBILEGL_ASSERT(texture != nullptr, "%s: collected a null storage texture", __func__);
if (m_textureManager->NeedsStorageImagePreparation(*texture) ||
m_clearManager->HasPendingClear(texture)) {
anyNeedsPreparation = true;
break;
}
}
if (!anyNeedsPreparation) {
return true;
}
// Image uploads, deferred-clear materialization, and layout barriers are illegal inside
// a classic render pass. Do this before sampler preparation as well: a texture used by
// both a sampler and an image must stay in GENERAL, and both descriptors must name that
// same layout independent of SPIR-V reflection/binding order.
if (VkRenderPassManager::GetActiveRenderPass() != nullptr) {
VkRenderPassManager::EndRenderPass(commandBuffer);
}
for (auto* texture : storageTextures) {
if (!MaterializePendingClearForTexture(commandBuffer, *texture)) {
MGLOG_E("%s: failed to materialize pending clear for storage textureId=%d",
__func__, texture->GetExternalIndex());
return false;
}
if (!m_textureManager->TransitionTextureForStorageImage(commandBuffer, *texture)) {
MGLOG_E("%s: failed to prepare storage textureId=%d",
__func__, texture->GetExternalIndex());
return false;
}
}
return true;
}
Bool VulkanRenderer::SetupDraw(FrameContext::FrameData& frame, GLenum mode, Flags<DrawSetupAspect> aspects,
const DrawCmdParam& drawParams,
const IndexBufferView* pIndexBufferView) {
// Sync each sampled texture at most once across this whole draw: the layout
// probe loop, the post-transition loop, and ResolveSamplerDescriptor would
// otherwise each re-run the full SyncTexture path on the same textures.
VkTextureManager::DrawSyncScope drawSyncScope(*m_textureManager);
m_textureManager->CollectGarbage();
const auto& drawFbo =
MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw).GetBoundObject();
if (drawFbo != nullptr && IsUnsupportedFramebufferForDirectVulkan(*drawFbo)) {
RecordUnsupportedFramebufferError(__func__);
return false;
}
const auto& vao = *MG_State::pGLContext->GetBoundVertexArray();
const auto& program = *MG_State::pGLContext->GetCurrentProgram();
ProgramFactory::CompileOptionFlags transformFlags = GetShaderTransformFlags(m_swapchainObject.GetPreTransform());
const auto& programObj = m_programFactory->GetOrCreateProgram(program, transformFlags);
// Begin command recording if not yet
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
// New command buffer: a program/FBO address from a previous frame may have been
// recycled, so start the sampled-set skip cache fresh this frame.
m_lastSampledSetValid = false;
}
if (!PrepareStorageImageTextures(frame.commandBuffer, program, programObj)) {
MGLOG_E("SetupDraw skipped: storage image preparation failed");
return false;
}
auto* activeRenderPass = VkRenderPassManager::GetActiveRenderPass();
// Check if any of the textures to sample have pending clears,
// which probably indicates it's been gone through codepath like `fbo attach` -> `clear` -> `fbo detach`, and
// without draws in between to give it a chance to materialize such clear.
// Deal with this situation here.
// Reuse the previous draw's sampled-texture list when the set is provably unchanged (same
// program+state+transform and no bind/unbind/delete since), skipping the per-draw GL walk.
// The layout/feedback/transition loops below still run on the list every draw, so this only
// elides re-resolving *which* textures are sampled, never their layout handling.
auto& sampledTextures = m_sampledTexturesScratch;
{
const Uint64 programLifetimeId = program.GetLifetimeId();
const Uint32 programVersion = program.GetBackendStateVersion();
const Uint64 bindGeneration = MG_State::pGLContext->GetTextureBindGeneration();
const Bool sampledSetUnchanged =
m_lastSampledSetValid && m_lastSampledSetProgramLifetimeId == programLifetimeId &&
m_lastSampledSetProgramVersion == programVersion &&
m_lastSampledSetTransformFlags == transformFlags &&
m_lastSampledSetBindGeneration == bindGeneration;
if (!sampledSetUnchanged) {
const Bool hasSampledTextures =
m_uniformManager->CollectSampledTextures(program, programObj, sampledTextures);
MOBILEGL_ASSERT(hasSampledTextures, "%s: CollectSampledTextures failed", __func__);
m_lastSampledSetValid = true;
m_lastSampledSetProgramLifetimeId = programLifetimeId;
m_lastSampledSetProgramVersion = programVersion;
m_lastSampledSetTransformFlags = transformFlags;
m_lastSampledSetBindGeneration = bindGeneration;
}
}
MGLOG_D("SetupDraw: program=%u drawFbo=%u sampledTextureCount=%zu activeRenderPass=%s",
program.GetExternalIndex(), drawFbo ? drawFbo->GetExternalIndex() : 0u, sampledTextures.size(),
activeRenderPass ? "true" : "false");
Bool activeRenderPassUsesSampledTexture = false;
if (activeRenderPass != nullptr) {
for (auto* sampledTexture : sampledTextures) {
if (sampledTexture == nullptr) {
continue;
}
if (ActiveRenderPassUsesTexture(*activeRenderPass, *sampledTexture)) {
MGLOG_D("SetupDraw: active render pass is still using sampled textureId=%d; ending render pass before descriptor preparation",
sampledTexture->GetExternalIndex());
activeRenderPassUsesSampledTexture = true;
break;
}
}
}
if (activeRenderPassUsesSampledTexture) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
activeRenderPass = nullptr;
}
Bool needSampledTextureTransitions = false;
for (auto* sampledTexture : sampledTextures) {
if (!sampledTexture) {
continue;
}
auto* textureResource = m_textureManager->SyncTextureAndGetDescriptor(*sampledTexture);
MOBILEGL_ASSERT(textureResource != nullptr,
"%s: SyncTextureAndGetDescriptor failed for textureId=%d",
__func__, sampledTexture->GetExternalIndex());
MGLOG_D("SetupDraw: sampled textureId=%d layout(before)=%s(%d)",
sampledTexture->GetExternalIndex(), VkImageLayoutToString(textureResource->layout),
static_cast<Int>(textureResource->layout));
if (m_clearManager->HasPendingClear(sampledTexture) ||
!IsValidSampledImageLayout(textureResource->layout)) {
needSampledTextureTransitions = true;
break;
}
}
if (activeRenderPass && needSampledTextureTransitions) {
MGLOG_D("SetupDraw: ending active render pass before sampled texture transitions");
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
activeRenderPass = nullptr;
}
for (auto* sampledTexture : sampledTextures) {
if (!sampledTexture) {
continue;
}
const Bool clearReady = MaterializePendingClearForTexture(frame.commandBuffer, *sampledTexture);
MOBILEGL_ASSERT(clearReady, "%s: MaterializePendingClearForTexture failed for textureId=%d",
__func__, sampledTexture->GetExternalIndex());
const Bool ready = m_textureManager->TransitionTextureForSampling(frame.commandBuffer, *sampledTexture);
MOBILEGL_ASSERT(ready, "%s: TransitionTextureForSampling failed for textureId=%d",
__func__, sampledTexture->GetExternalIndex());
auto* transitionedResource = m_textureManager->SyncTextureAndGetDescriptor(*sampledTexture);
MOBILEGL_ASSERT(transitionedResource != nullptr,
"%s: post-transition SyncTextureAndGetDescriptor failed for textureId=%d",
__func__, sampledTexture->GetExternalIndex());
MGLOG_D("SetupDraw: sampled textureId=%d layout(after)=%s(%d)",
sampledTexture->GetExternalIndex(), VkImageLayoutToString(transitionedResource->layout),
static_cast<Int>(transitionedResource->layout));
}
auto* renderPassEntry = &m_renderPassManager->GetOrCreateRenderPass(*drawFbo, m_imageIndexAcquired);
if (activeRenderPass && !activeRenderPass->CompatibleWith(*renderPassEntry)) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
activeRenderPass = nullptr;
renderPassEntry = &m_renderPassManager->GetOrCreateRenderPass(*drawFbo, m_imageIndexAcquired);
}
if (renderPassEntry->attachmentCount == 0 || renderPassEntry->extent.x() <= 0 || renderPassEntry->extent.y() <= 0) {
MGLOG_D("SetupDraw skipped: drawFbo=%u resolved to an empty render pass (attachmentCount=%u extent=%dx%d)",
drawFbo->GetExternalIndex(),
renderPassEntry->attachmentCount,
renderPassEntry->extent.x(),
renderPassEntry->extent.y());
return false;
}
// Vertex-input pre-flight, run before pipeline creation so that a bad attribute can never be
// baked into a cached VkPipeline.
{
const auto& vertexInputState = m_vertexInputStateFactory->GetOrCreateVertexInputState(vao);
const Uint32 activeAttribMask = programObj.activeVertexInputLocationMask;
// An enabled array whose GL type has no VkFormat mapping never reaches the vertex input
// state, which makes it indistinguishable from a disabled array: the draw would treat it as
// "missing" and silently feed the shader the current attribute value instead of the app's
// vertex data. Fail loudly rather than render wrong pixels.
const Uint32 brokenAttribMask = vertexInputState.unsupportedAttribMask & activeAttribMask;
if (brokenAttribMask != 0) {
MGLOG_E("SetupDraw skipped: program=%u reads vertex attribute location mask 0x%x whose enabled "
"array has no supported vertex format",
program.GetExternalIndex(), brokenAttribMask);
return false;
}
// Every genuinely disabled attribute the shader reads must have a current-value type we can
// synthesize a binding for; otherwise the upload below would push a null payload.
const Uint32 missingAttribMask =
activeAttribMask & ~BuildVertexInputAttributeMask(vertexInputState.attributes);
for (Uint32 location = 0; location < kMaxVertexAttribs; ++location) {
if ((missingAttribMask & (1u << location)) == 0) continue;
const GLenum glType = programObj.vertexInputTypes[location];
if (MG_State::GLState::ClassifyVertexAttribType(glType).baseType ==
MG_State::GLState::VertexAttribBaseType::Unsupported) {
MGLOG_E("SetupDraw skipped: program=%u location=%u has no enabled array and its shader input "
"type 0x%x is not supported as a current generic vertex attribute",
program.GetExternalIndex(), location, glType);
return false;
}
}
}
auto pipeline = GetOrCreatePipeline(mode, program, programObj, transformFlags, vao, *renderPassEntry);
activeRenderPass = VkRenderPassManager::GetActiveRenderPass();
// Begin render pass, and handle clear
if (activeRenderPass && activeRenderPass->CompatibleWith(*renderPassEntry)) {
ClearAttachmentsOnActiveRenderPass(frame.commandBuffer, *renderPassEntry);
} else {
// No active render pass or active one not compatible.
// Restart a new render pass
Bool ok = VkRenderPassManager::BeginRenderPass(frame.commandBuffer, *renderPassEntry);
MOBILEGL_ASSERT(ok, "%s: BeginRenderPass failed", __func__);
}
vkCmdBindPipeline(frame.commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
const Bool boundUniforms = m_uniformManager->BindProgramUniformBuffers(
frame.commandBuffer, program, programObj, m_frameContext.GetCurrentFrameIndex());
if (!boundUniforms) {
MGLOG_E("SetupDraw skipped: BindProgramUniformBuffers failed");
return false;
}
auto vtxUploadOk = UploadAndBindVertexBuffers(
frame.commandBuffer, vao, programObj, drawParams, pIndexBufferView);
if (!vtxUploadOk) {
MGLOG_E("SetupDraw skipped: failed to upload vertex buffers");
return false;
}
if (aspects & DrawSetupAspect::IndexBuffer) {
auto idxUploadOk = UploadAndBindIndexBuffer(frame, vao, pIndexBufferView);
MOBILEGL_ASSERT(idxUploadOk, "SetupDraw skipped: failed to upload index buffer");
}
ApplyGLViewportState(frame.commandBuffer, renderPassEntry->extent,
m_swapchainObject.GetPreTransform(), drawFbo->IsDefaultFramebuffer());
ApplyBlendConstants(frame.commandBuffer);
ApplyPolygonOffsetState(frame.commandBuffer);
ApplyLineWidthState(frame.commandBuffer);
ApplyStencilState(frame.commandBuffer);
Bool scissorEnabled = MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::ScissorTest);
VkRect2D scissor{};
if (scissorEnabled) {
const auto& scissorBox = MG_State::pGLContext->GetScissorBox();
scissor = drawFbo->IsDefaultFramebuffer()
? MakeDefaultFramebufferScissorRect(scissorBox, renderPassEntry->extent,
m_swapchainObject.GetPreTransform())
: MakeClampedScissorRect(scissorBox, renderPassEntry->extent);
} else {
scissor.offset = {0, 0};
scissor.extent = { (Uint)renderPassEntry->extent.x(), (Uint)renderPassEntry->extent.y() };
}
vkCmdSetScissor(frame.commandBuffer, 0, 1, &scissor);
return true;
}
void VulkanRenderer::DispatchCompute(GLuint numGroupsX, GLuint numGroupsY, GLuint numGroupsZ) {
m_textureManager->CollectGarbage();
auto& frame = m_frameContext.GetCurrent();
const auto& program = *MG_State::pGLContext->GetCurrentProgram();
ProgramFactory::CompileOptionFlags transformFlags = 0;
const auto& programObj = m_programFactory->GetOrCreateProgram(program, transformFlags);
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
}
if (VkRenderPassManager::GetActiveRenderPass() != nullptr) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
if (!PrepareStorageImageTextures(frame.commandBuffer, program, programObj)) {
MGLOG_E("DispatchCompute skipped: storage image preparation failed");
return;
}
const VkPipeline pipeline = GetOrCreateComputePipeline(programObj);
if (pipeline == VK_NULL_HANDLE) {
MGLOG_E("DispatchCompute skipped: compute pipeline creation failed for program=%u",
program.GetExternalIndex());
return;
}
vkCmdBindPipeline(frame.commandBuffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipeline);
const Bool boundUniforms = m_uniformManager->BindProgramUniformBuffers(
frame.commandBuffer, program, programObj, m_frameContext.GetCurrentFrameIndex(),
VK_PIPELINE_BIND_POINT_COMPUTE);
if (!boundUniforms) {
MGLOG_E("DispatchCompute skipped: BindProgramUniformBuffers failed");
return;
}
MGLOG_D("DirectVulkan: glDispatchCompute(%u, %u, %u)", numGroupsX, numGroupsY, numGroupsZ);
vkCmdDispatch(frame.commandBuffer, numGroupsX, numGroupsY, numGroupsZ);
}
void VulkanRenderer::DispatchComputeIndirect(GLintptr indirect) {
m_textureManager->CollectGarbage();
auto& frame = m_frameContext.GetCurrent();
const auto& program = *MG_State::pGLContext->GetCurrentProgram();
ProgramFactory::CompileOptionFlags transformFlags = 0;
const auto& programObj = m_programFactory->GetOrCreateProgram(program, transformFlags);
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
}
if (VkRenderPassManager::GetActiveRenderPass() != nullptr) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
if (!PrepareStorageImageTextures(frame.commandBuffer, program, programObj)) {
MGLOG_E("DispatchComputeIndirect skipped: storage image preparation failed");
return;
}
const VkPipeline pipeline = GetOrCreateComputePipeline(programObj);
if (pipeline == VK_NULL_HANDLE) {
MGLOG_E("DispatchComputeIndirect skipped: compute pipeline creation failed for program=%u",
program.GetExternalIndex());
return;
}
vkCmdBindPipeline(frame.commandBuffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipeline);
const Bool boundUniforms = m_uniformManager->BindProgramUniformBuffers(
frame.commandBuffer, program, programObj, m_frameContext.GetCurrentFrameIndex(),
VK_PIPELINE_BIND_POINT_COMPUTE);
if (!boundUniforms) {
MGLOG_E("DispatchComputeIndirect skipped: BindProgramUniformBuffers failed");
return;
}
auto indirectBuffer = MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::DispatchIndirect).GetBoundObject();
if (!indirectBuffer) {
MGLOG_E("DispatchComputeIndirect skipped: GL_DISPATCH_INDIRECT_BUFFER is not bound");
return;
}
indirectBuffer->SyncPersistentMappedRange();
BufferSlice slice{};
if (!m_bufferManager.AcquireResidentSlice(BufferKind::Indirect, indirectBuffer, slice)) {
MGLOG_E("DispatchComputeIndirect skipped: failed to sync indirect dispatch buffer");
return;
}
MGLOG_D("DirectVulkan: glDispatchComputeIndirect(offset=%zu)", static_cast<SizeT>(indirect));
vkCmdDispatchIndirect(frame.commandBuffer, slice.buffer, slice.offset + static_cast<VkDeviceSize>(indirect));
}
VkMemoryBarrier VulkanRenderer::BuildMemoryBarrierForGlBarriers(GLbitfield barriers) {
VkMemoryBarrier memoryBarrier{};
memoryBarrier.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER;
memoryBarrier.srcAccessMask =
VK_ACCESS_SHADER_WRITE_BIT | VK_ACCESS_SHADER_READ_BIT |
VK_ACCESS_TRANSFER_WRITE_BIT | VK_ACCESS_TRANSFER_READ_BIT |
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT |
VK_ACCESS_HOST_WRITE_BIT | VK_ACCESS_MEMORY_WRITE_BIT;
memoryBarrier.dstAccessMask =
VK_ACCESS_SHADER_READ_BIT | VK_ACCESS_SHADER_WRITE_BIT |
VK_ACCESS_TRANSFER_READ_BIT | VK_ACCESS_TRANSFER_WRITE_BIT |
VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT |
VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT |
VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT | VK_ACCESS_INDEX_READ_BIT |
VK_ACCESS_UNIFORM_READ_BIT | VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT;
if ((barriers & GL_COMMAND_BARRIER_BIT) != 0) {
memoryBarrier.dstAccessMask |= VK_ACCESS_INDIRECT_COMMAND_READ_BIT;
}
return memoryBarrier;
}
void VulkanRenderer::MemoryBarrier(GLbitfield barriers) {
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
}
if (VkRenderPassManager::GetActiveRenderPass() != nullptr) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
VkMemoryBarrier memoryBarrier = BuildMemoryBarrierForGlBarriers(barriers);
MGLOG_D("DirectVulkan: glMemoryBarrier(0x%x)", static_cast<Uint32>(barriers));
vkCmdPipelineBarrier(frame.commandBuffer, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, 0,
1, &memoryBarrier, 0, nullptr, 0, nullptr);
}
VulkanRenderer::ScissoredClearPrep VulkanRenderer::PrepareScissoredClear(
const MG_State::GLState::FramebufferObject& framebuffer, VkClearRect& outClearRect) {
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
}
auto* activeRenderPass = VkRenderPassManager::GetActiveRenderPass();
auto* renderPassEntry = &m_renderPassManager->GetOrCreateRenderPass(framebuffer, m_imageIndexAcquired);
if (renderPassEntry->attachmentCount == 0 ||
renderPassEntry->extent.x() <= 0 || renderPassEntry->extent.y() <= 0) {
return ScissoredClearPrep::NoOp;
}
VkClearRect clearRect{};
clearRect.rect = framebuffer.IsDefaultFramebuffer()
? MakeDefaultFramebufferScissorRect(MG_State::pGLContext->GetScissorBox(),
renderPassEntry->extent,
m_swapchainObject.GetPreTransform())
: MakeClampedScissorRect(MG_State::pGLContext->GetScissorBox(), renderPassEntry->extent);
clearRect.baseArrayLayer = 0;
// GL 3.3 §4.4.7: clearing a layered framebuffer clears every layer.
clearRect.layerCount = renderPassEntry->layers;
if (clearRect.rect.extent.width == 0 || clearRect.rect.extent.height == 0) {
return ScissoredClearPrep::NoOp;
}
// A scissor that covers the whole target is a whole-surface clear; the deferred loadOp
// path is equivalent and cheaper (no render pass churn, loadOp=CLEAR on tilers).
if (clearRect.rect.offset.x == 0 && clearRect.rect.offset.y == 0 &&
clearRect.rect.extent.width == static_cast<Uint32>(renderPassEntry->extent.x()) &&
clearRect.rect.extent.height == static_cast<Uint32>(renderPassEntry->extent.y())) {
return ScissoredClearPrep::NotNeeded;
}
if (activeRenderPass && !activeRenderPass->CompatibleWith(*renderPassEntry)) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
activeRenderPass = nullptr;
// Re-resolve: ending the pass updates tracked attachment layouts, which feed the
// entry's load ops and initial layouts.
renderPassEntry = &m_renderPassManager->GetOrCreateRenderPass(framebuffer, m_imageIndexAcquired);
}
// A still-active pass is necessarily compatible here: the block above ended any
// incompatible one and nothing since can change the active pass.
if (activeRenderPass) {
// Materialize any older whole-attachment clear before applying this
// ordered, scissored clear.
ClearAttachmentsOnActiveRenderPass(frame.commandBuffer, *renderPassEntry);
} else {
const Bool began = VkRenderPassManager::BeginRenderPass(frame.commandBuffer, *renderPassEntry);
MOBILEGL_ASSERT(began, "%s: BeginRenderPass failed", __func__);
if (!began) {
return ScissoredClearPrep::NoOp;
}
}
outClearRect = clearRect;
return ScissoredClearPrep::Ready;
}
void VulkanRenderer::Clear(GLbitfield mask) {
m_clearManager->CollectGarbage();
if ((mask & (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)) == 0) {
return;
}
// GL 3.3 §3.1: when RASTERIZER_DISCARD is enabled, Clear and ClearBuffer* are ignored.
if (MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::RasterizerDiscard)) {
return;
}
auto* fbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw).GetBoundObject().get();
MOBILEGL_ASSERT(fbo, "VulkanRenderer::Clear: draw framebuffer not found (fbo == nullptr)");
if (IsUnsupportedFramebufferForDirectVulkan(*fbo)) {
RecordUnsupportedFramebufferError(__func__);
return;
}
ClearFramebufferPayload payload {
.color = MG_State::pGLContext->GetClearColor(),
.depth = MG_State::pGLContext->GetClearDepth(),
.stencil = MG_State::pGLContext->GetClearStencil()
};
// A render-pass loadOp clear always covers the complete attachment, while
// OpenGL glClear is clipped by GL_SCISSOR_TEST. Blaze3D relies on this for
// GuiItemAtlas: animated items clear only their atlas slot before being
// redrawn. Queueing that clear as a loadOp erases every cached static item.
if (MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::ScissorTest)) {
VkClearRect clearRect{};
switch (PrepareScissoredClear(*fbo, clearRect)) {
case ScissoredClearPrep::NoOp:
return;
case ScissoredClearPrep::NotNeeded:
break; // full-coverage scissor: the deferred whole-surface path below is equivalent
case ScissoredClearPrep::Ready: {
VkClearAttachment clearAttachments[MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS + 1];
Uint32 clearAttachmentCount = 0;
if ((mask & GL_COLOR_BUFFER_BIT) != 0) {
const auto& drawBuffers = fbo->GetDrawBuffers();
for (Uint32 drawBufferIndex = 0; drawBufferIndex < drawBuffers.size(); ++drawBufferIndex) {
const auto attachmentType = drawBuffers[drawBufferIndex];
if (attachmentType == FramebufferAttachmentType::None) {
continue;
}
const auto& attachment = fbo->GetAttachment(attachmentType);
if (!attachment.IsComplete()) {
continue;
}
const BoolVec4 colorMask = MG_State::pGLContext->GetColorMaskIndexed(drawBufferIndex);
if (!colorMask.r() && !colorMask.g() && !colorMask.b() && !colorMask.a()) {
continue;
}
if (!colorMask.r() || !colorMask.g() || !colorMask.b() || !colorMask.a()) {
MGLOG_W("DirectVulkan: scissored glClear with a partial color mask is not supported");
continue;
}
MG_State::GLState::ITextureObject* colorTexture = nullptr;
if (attachment.IsTexture()) {
colorTexture = attachment.GetTexture().get();
}
VkClearAttachment clearAttachment{};
clearAttachment.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
clearAttachment.colorAttachment = drawBufferIndex;
clearAttachment.clearValue.color = {
payload.color.x(), payload.color.y(), payload.color.z(),
ResolveColorClearAlpha(colorTexture, payload.color.w())
};
clearAttachments[clearAttachmentCount++] = clearAttachment;
}
}
VkImageAspectFlags depthStencilAspects = 0;
if ((mask & GL_DEPTH_BUFFER_BIT) != 0 && MG_State::pGLContext->GetDepthMask()) {
const auto& depthAttachment = fbo->GetAttachment(FramebufferAttachmentType::Depth);
if (depthAttachment.IsComplete()) {
depthStencilAspects |= VK_IMAGE_ASPECT_DEPTH_BIT;
}
}
if ((mask & GL_STENCIL_BUFFER_BIT) != 0) {
const auto& stencilAttachment = fbo->GetAttachment(FramebufferAttachmentType::Stencil);
if (stencilAttachment.IsComplete()) {
// GL 3.3 §4.2.3: the clear is masked by the front stencil write mask.
// vkCmdClearAttachments writes every bit, so only a full (8-bit stencil) or
// zero mask can be expressed; treat a partial mask like a partial color mask.
const Uint32 stencilWriteMask =
MG_State::pGLContext->GetStencilState(StencilFace::Front).WriteMask;
if ((stencilWriteMask & 0xFFu) == 0xFFu) {
depthStencilAspects |= VK_IMAGE_ASPECT_STENCIL_BIT;
} else if (stencilWriteMask != 0) {
MGLOG_W("DirectVulkan: scissored glClear with a partial stencil write mask is not supported");
}
}
}
if (depthStencilAspects != 0) {
VkClearAttachment clearAttachment{};
clearAttachment.aspectMask = depthStencilAspects;
clearAttachment.clearValue.depthStencil = {payload.depth, payload.stencil};
clearAttachments[clearAttachmentCount++] = clearAttachment;
}
if (clearAttachmentCount != 0) {
vkCmdClearAttachments(m_frameContext.GetCurrent().commandBuffer,
clearAttachmentCount, clearAttachments,
1, &clearRect);
}
return;
}
}
}
// GL 3.3 §4.2.3: glClear honors the write masks. Mirror the scissored path's
// gating for the deferred path: drop fully-masked planes, warn on partial
// masks vkCmdClear*/loadOp clears cannot express.
GLbitfield deferredMask = mask;
if ((deferredMask & GL_DEPTH_BUFFER_BIT) != 0 && !MG_State::pGLContext->GetDepthMask()) {
deferredMask &= ~static_cast<GLbitfield>(GL_DEPTH_BUFFER_BIT);
}
if ((deferredMask & GL_STENCIL_BUFFER_BIT) != 0) {
const Uint32 stencilWriteMask = MG_State::pGLContext->GetStencilState(StencilFace::Front).WriteMask;
if ((stencilWriteMask & 0xFFu) != 0xFFu) {
if (stencilWriteMask != 0) {
MGLOG_W("DirectVulkan: deferred glClear with a partial stencil write mask is not supported");
}
deferredMask &= ~static_cast<GLbitfield>(GL_STENCIL_BUFFER_BIT);
}
}
if ((deferredMask & GL_COLOR_BUFFER_BIT) != 0) {
const auto& drawBuffers = fbo->GetDrawBuffers();
Bool anyFullMask = false;
Bool anyRestrictedMask = false;
for (Uint32 drawBufferIndex = 0; drawBufferIndex < drawBuffers.size(); ++drawBufferIndex) {
if (drawBuffers[drawBufferIndex] == FramebufferAttachmentType::None) {
continue;
}
const BoolVec4 colorMask = MG_State::pGLContext->GetColorMaskIndexed(drawBufferIndex);
const Bool full = colorMask.r() && colorMask.g() && colorMask.b() && colorMask.a();
if (full) {
anyFullMask = true;
} else {
anyRestrictedMask = true;
if (colorMask.r() || colorMask.g() || colorMask.b() || colorMask.a()) {
MGLOG_W("DirectVulkan: deferred glClear with a partial color mask is not supported");
}
}
}
if (!anyFullMask) {
deferredMask &= ~static_cast<GLbitfield>(GL_COLOR_BUFFER_BIT);
} else if (anyRestrictedMask) {
// Mixed per-buffer masks: queue only the fully-writable texture targets
// individually and drop the framebuffer-level color clear.
for (Uint32 drawBufferIndex = 0; drawBufferIndex < drawBuffers.size(); ++drawBufferIndex) {
const auto attachmentType = drawBuffers[drawBufferIndex];
if (attachmentType == FramebufferAttachmentType::None) {
continue;
}
const BoolVec4 colorMask = MG_State::pGLContext->GetColorMaskIndexed(drawBufferIndex);
if (!(colorMask.r() && colorMask.g() && colorMask.b() && colorMask.a())) {
continue;
}
const auto& attachment = fbo->GetAttachment(attachmentType);
if (attachment.IsRenderbuffer()) {
m_renderPassManager->QueueRenderbufferClear(
{.mask = GL_COLOR_BUFFER_BIT, .color = payload.color}, attachment);
} else if (attachment.IsTexture()) {
m_clearManager->QueueClear({.mask = GL_COLOR_BUFFER_BIT, .color = payload.color},
attachment);
}
}
deferredMask &= ~static_cast<GLbitfield>(GL_COLOR_BUFFER_BIT);
}
}
if (deferredMask == 0) {
return;
}
m_clearManager->QueueClear(deferredMask, payload, *fbo);
m_renderPassManager->QueueRenderbufferClear(deferredMask, payload, *fbo);
}
void VulkanRenderer::QueueClearBufferPayloadForFramebuffer(
const MG_State::GLState::FramebufferObject& framebuffer, GLenum buffer, GLint drawbuffer,
const ClearAttachmentPayload& clearPayload) {
m_clearManager->CollectGarbage();
// GL 3.3 §3.1: when RASTERIZER_DISCARD is enabled, Clear and ClearBuffer* are ignored.
if (MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::RasterizerDiscard)) {
return;
}
if (IsUnsupportedFramebufferForDirectVulkan(framebuffer)) {
RecordUnsupportedFramebufferError(__func__);
return;
}
// Validate (buffer, drawbuffer) up front so GL errors fire regardless of which clear
// path is taken below.
switch (buffer) {
case GL_COLOR:
if (drawbuffer < 0 ||
drawbuffer >= static_cast<GLint>(MG_State::GLState::FramebufferObject::MAX_DRAW_BUFFERS)) {
RecordClearBufferError(__func__, ErrorCode::InvalidValue, "color drawbuffer index is out of range");
return;
}
break;
case GL_DEPTH:
if (drawbuffer != 0) {
RecordClearBufferError(__func__, ErrorCode::InvalidValue, "depth clear requires drawbuffer 0");
return;
}
break;
case GL_STENCIL:
if (drawbuffer != 0) {
RecordClearBufferError(__func__, ErrorCode::InvalidValue, "stencil clear requires drawbuffer 0");
return;
}
break;
case GL_DEPTH_STENCIL:
if (drawbuffer != 0) {
RecordClearBufferError(__func__, ErrorCode::InvalidValue, "depth/stencil clear requires drawbuffer 0");
return;
}
break;
default:
RecordClearBufferError(__func__, ErrorCode::InvalidEnum, "unsupported clear buffer target");
return;
}
// GL 3.3 §4.2.3: ClearBuffer* is clipped by GL_SCISSOR_TEST exactly like Clear.
if (MG_State::pGLContext->IsCapabilityEnabled(CapabilityInput::ScissorTest)) {
VkClearRect clearRect{};
switch (PrepareScissoredClear(framebuffer, clearRect)) {
case ScissoredClearPrep::NoOp:
return;
case ScissoredClearPrep::NotNeeded:
break; // full-coverage scissor: the deferred whole-surface path below is equivalent
case ScissoredClearPrep::Ready:
RecordScissoredClearBuffer(framebuffer, buffer, drawbuffer, clearPayload, clearRect);
return;
}
}
auto queueAttachmentClear = [&](FramebufferAttachmentType attachmentType,
const ClearAttachmentPayload& payload) {
if (attachmentType == FramebufferAttachmentType::None || payload.mask == 0) {
return;
}
const auto& attachment = framebuffer.GetAttachment(attachmentType);
if (attachment.IsRenderbuffer()) {
m_renderPassManager->QueueRenderbufferClear(payload, attachment);
return;
}
if (!attachment.IsTexture()) {
return;
}
m_clearManager->QueueClear(payload, attachment);
};
// GL 3.3 §4.2.3: ClearBuffer* honors the write masks like Clear. Deferred
// clears cannot express partial masks; warn and skip those.
const auto depthClearAllowed = [&]() -> Bool { return MG_State::pGLContext->GetDepthMask(); };
const auto stencilClearAllowed = [&]() -> Bool {
const Uint32 stencilWriteMask = MG_State::pGLContext->GetStencilState(StencilFace::Front).WriteMask;
if ((stencilWriteMask & 0xFFu) == 0xFFu) {
return true;
}
if (stencilWriteMask != 0) {
MGLOG_W("DirectVulkan: deferred glClearBuffer with a partial stencil write mask is not supported");
}
return false;
};
switch (buffer) {
case GL_COLOR: {
const BoolVec4 colorMask = MG_State::pGLContext->GetColorMaskIndexed(static_cast<Uint32>(drawbuffer));
if (!colorMask.r() && !colorMask.g() && !colorMask.b() && !colorMask.a()) {
return;
}
if (!(colorMask.r() && colorMask.g() && colorMask.b() && colorMask.a())) {
MGLOG_W("DirectVulkan: deferred glClearBuffer with a partial color mask is not supported");
return;
}
queueAttachmentClear(framebuffer.GetDrawBuffers()[drawbuffer], clearPayload);
return;
}
case GL_DEPTH:
if (depthClearAllowed()) {
queueAttachmentClear(FramebufferAttachmentType::Depth, clearPayload);
}
return;
case GL_STENCIL:
if (stencilClearAllowed()) {
queueAttachmentClear(FramebufferAttachmentType::Stencil, clearPayload);
}
return;
case GL_DEPTH_STENCIL: {
ClearAttachmentPayload allowedPayload = clearPayload;
if (!depthClearAllowed()) {
allowedPayload.mask &= ~static_cast<GLbitfield>(GL_DEPTH_BUFFER_BIT);
}
if (!stencilClearAllowed()) {
allowedPayload.mask &= ~static_cast<GLbitfield>(GL_STENCIL_BUFFER_BIT);
}
if ((allowedPayload.mask & GL_DEPTH_BUFFER_BIT) != 0) {
queueAttachmentClear(FramebufferAttachmentType::Depth, allowedPayload);
}
if ((allowedPayload.mask & GL_STENCIL_BUFFER_BIT) != 0) {
queueAttachmentClear(FramebufferAttachmentType::Stencil, allowedPayload);
}
return;
}
default:
return;
}
}
void VulkanRenderer::RecordScissoredClearBuffer(const MG_State::GLState::FramebufferObject& framebuffer,
GLenum buffer, GLint drawbuffer,
const ClearAttachmentPayload& clearPayload,
const VkClearRect& clearRect) {
VkClearAttachment clearAttachment{};
if (buffer == GL_COLOR) {
const auto attachmentType = framebuffer.GetDrawBuffers()[drawbuffer];
if (attachmentType == FramebufferAttachmentType::None) {
return;
}
const auto& attachment = framebuffer.GetAttachment(attachmentType);
if (!attachment.IsComplete()) {
return;
}
const BoolVec4 colorMask = MG_State::pGLContext->GetColorMaskIndexed(static_cast<Uint>(drawbuffer));
if (!colorMask.r() && !colorMask.g() && !colorMask.b() && !colorMask.a()) {
return;
}
if (!colorMask.r() || !colorMask.g() || !colorMask.b() || !colorMask.a()) {
MGLOG_W("DirectVulkan: scissored glClearBuffer with a partial color mask is not supported");
return;
}
MG_State::GLState::ITextureObject* colorTexture = nullptr;
if (attachment.IsTexture()) {
colorTexture = attachment.GetTexture().get();
}
clearAttachment.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
clearAttachment.colorAttachment = static_cast<Uint32>(drawbuffer);
clearAttachment.clearValue.color = {
clearPayload.color.x(), clearPayload.color.y(), clearPayload.color.z(),
ResolveColorClearAlpha(colorTexture, clearPayload.color.w())
};
} else {
VkImageAspectFlags aspects = 0;
if ((clearPayload.mask & GL_DEPTH_BUFFER_BIT) != 0 && MG_State::pGLContext->GetDepthMask() &&
framebuffer.GetAttachment(FramebufferAttachmentType::Depth).IsComplete()) {
aspects |= VK_IMAGE_ASPECT_DEPTH_BIT;
}
if ((clearPayload.mask & GL_STENCIL_BUFFER_BIT) != 0 &&
framebuffer.GetAttachment(FramebufferAttachmentType::Stencil).IsComplete()) {
// GL 3.3 §4.2.3: the clear is masked by the front stencil write mask (see Clear).
const Uint32 stencilWriteMask =
MG_State::pGLContext->GetStencilState(StencilFace::Front).WriteMask;
if ((stencilWriteMask & 0xFFu) == 0xFFu) {
aspects |= VK_IMAGE_ASPECT_STENCIL_BIT;
} else if (stencilWriteMask != 0) {
MGLOG_W("DirectVulkan: scissored glClearBuffer with a partial stencil write mask is not supported");
}
}
if (aspects == 0) {
return;
}
clearAttachment.aspectMask = aspects;
clearAttachment.clearValue.depthStencil = {clearPayload.depth, clearPayload.stencil};
}
vkCmdClearAttachments(m_frameContext.GetCurrent().commandBuffer, 1, &clearAttachment, 1, &clearRect);
}
void VulkanRenderer::QueueClearBufferPayload(GLenum buffer, GLint drawbuffer,
const ClearAttachmentPayload& clearPayload) {
auto* fbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw).GetBoundObject().get();
if (!fbo) {
return;
}
QueueClearBufferPayloadForFramebuffer(*fbo, buffer, drawbuffer, clearPayload);
}
void VulkanRenderer::ClearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil) {
ClearAttachmentPayload payload{};
payload.mask = GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
// Vulkan clear values require depth in [0,1] (VUID-VkClearDepthStencilValue-depth-00022).
payload.depth = std::clamp(depth, 0.0f, 1.0f);
payload.stencil = static_cast<Uint32>(stencil);
QueueClearBufferPayload(buffer, drawbuffer, payload);
}
void VulkanRenderer::ClearBufferfv(GLenum buffer, GLint drawbuffer, const GLfloat* value) {
if (value == nullptr) {
return;
}
ClearAttachmentPayload payload{};
switch (buffer) {
case GL_COLOR:
payload.mask = GL_COLOR_BUFFER_BIT;
payload.color = FloatVec4(value[0], value[1], value[2], value[3]);
break;
case GL_DEPTH:
payload.mask = GL_DEPTH_BUFFER_BIT;
payload.depth = std::clamp(value[0], 0.0f, 1.0f);
break;
default:
break;
}
QueueClearBufferPayload(buffer, drawbuffer, payload);
}
void VulkanRenderer::ClearNamedFramebufferfv(
const SharedPtr<MG_State::GLState::FramebufferObject>& framebuffer, GLenum buffer, GLint drawbuffer,
const GLfloat* value) {
if (!framebuffer || value == nullptr) {
return;
}
ClearAttachmentPayload payload{};
switch (buffer) {
case GL_COLOR:
payload.mask = GL_COLOR_BUFFER_BIT;
payload.color = FloatVec4(value[0], value[1], value[2], value[3]);
break;
case GL_DEPTH:
payload.mask = GL_DEPTH_BUFFER_BIT;
payload.depth = std::clamp(value[0], 0.0f, 1.0f);
break;
default:
break;
}
QueueClearBufferPayloadForFramebuffer(*framebuffer, buffer, drawbuffer, payload);
}
void VulkanRenderer::ClearNamedFramebufferfi(
const SharedPtr<MG_State::GLState::FramebufferObject>& framebuffer, GLenum buffer, GLint drawbuffer,
GLfloat depth, GLint stencil) {
if (!framebuffer) {
return;
}
ClearAttachmentPayload payload{};
payload.mask = GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
// Vulkan clear values require depth in [0,1] (VUID-VkClearDepthStencilValue-depth-00022).
payload.depth = std::clamp(depth, 0.0f, 1.0f);
payload.stencil = static_cast<Uint32>(stencil);
QueueClearBufferPayloadForFramebuffer(*framebuffer, buffer, drawbuffer, payload);
}
void VulkanRenderer::ClearBufferuiv(GLenum buffer, GLint drawbuffer, const GLuint* value) {
if (value == nullptr) {
return;
}
ClearAttachmentPayload payload{};
switch (buffer) {
case GL_COLOR:
payload.mask = GL_COLOR_BUFFER_BIT;
payload.color = FloatVec4(static_cast<Float>(value[0]), static_cast<Float>(value[1]),
static_cast<Float>(value[2]), static_cast<Float>(value[3]));
break;
case GL_STENCIL:
payload.mask = GL_STENCIL_BUFFER_BIT;
payload.stencil = value[0];
break;
default:
break;
}
QueueClearBufferPayload(buffer, drawbuffer, payload);
}
void VulkanRenderer::ClearBufferiv(GLenum buffer, GLint drawbuffer, const GLint* value) {
if (value == nullptr) {
return;
}
ClearAttachmentPayload payload{};
switch (buffer) {
case GL_COLOR:
payload.mask = GL_COLOR_BUFFER_BIT;
payload.color = FloatVec4(static_cast<Float>(value[0]), static_cast<Float>(value[1]),
static_cast<Float>(value[2]), static_cast<Float>(value[3]));
break;
case GL_STENCIL:
payload.mask = GL_STENCIL_BUFFER_BIT;
payload.stencil = static_cast<Uint32>(std::max(value[0], 0));
break;
default:
break;
}
QueueClearBufferPayload(buffer, drawbuffer, payload);
}
Bool VulkanRenderer::MaterializePendingClearForTexture(VkCommandBuffer commandBuffer,
MG_State::GLState::ITextureObject& texture) {
Vector<PendingClearEntry> pendingClears;
if (!m_clearManager->GetPendingClears(&texture, pendingClears)) {
return true;
}
MOBILEGL_ASSERT(VkRenderPassManager::GetActiveRenderPass() == nullptr,
"MaterializePendingClearForTexture requires no active render pass");
auto* resource = m_textureManager->SyncTextureAndGetDescriptor(texture);
MOBILEGL_ASSERT(resource != nullptr,
"MaterializePendingClearForTexture: SyncTextureAndGetDescriptor failed for textureId=%d",
texture.GetExternalIndex());
VkPipelineStageFlags srcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcAccessMask = 0;
GetImageTransitionSourceState(resource->layout, srcStageMask, srcAccessMask);
VkImageLayout clearLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
Bool ok = VkTextureManager::TransitionImageLayout(
commandBuffer, resource->image, resource->layout, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
srcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT, srcAccessMask, VK_ACCESS_TRANSFER_WRITE_BIT,
resource->aspect, 0, resource->mipLevels, resource->arrayLayers);
MOBILEGL_ASSERT(ok,
"MaterializePendingClearForTexture: failed to transition textureId=%d to TRANSFER_DST",
texture.GetExternalIndex());
VkImageLayout sampledLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
for (const auto& pendingClear : pendingClears) {
MOBILEGL_ASSERT(pendingClear.key.mipLevel < resource->mipLevels,
"MaterializePendingClearForTexture: textureId=%d pending clear mip=%u out of range %u",
texture.GetExternalIndex(), pendingClear.key.mipLevel, resource->mipLevels);
MOBILEGL_ASSERT(pendingClear.key.baseArrayLayer + pendingClear.key.layerCount <= resource->arrayLayers,
"MaterializePendingClearForTexture: textureId=%d pending clear layer span [%u, %u) exceeds arrayLayers=%u",
texture.GetExternalIndex(), pendingClear.key.baseArrayLayer,
pendingClear.key.baseArrayLayer + pendingClear.key.layerCount, resource->arrayLayers);
VkImageSubresourceRange subresourceRange{};
subresourceRange.baseMipLevel = pendingClear.key.mipLevel;
subresourceRange.levelCount = 1;
subresourceRange.baseArrayLayer = pendingClear.key.baseArrayLayer;
subresourceRange.layerCount = pendingClear.key.layerCount;
const auto& clearPayload = pendingClear.payload;
if ((resource->aspect & VK_IMAGE_ASPECT_COLOR_BIT) != 0) {
subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkClearColorValue clearValue{};
clearValue.float32[0] = clearPayload.color.x();
clearValue.float32[1] = clearPayload.color.y();
clearValue.float32[2] = clearPayload.color.z();
clearValue.float32[3] = ResolveColorClearAlpha(&texture, clearPayload.color.w());
vkCmdClearColorImage(commandBuffer, resource->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
&clearValue, 1, &subresourceRange);
} else {
VkImageAspectFlags clearAspectMask = 0;
if ((resource->aspect & VK_IMAGE_ASPECT_DEPTH_BIT) != 0 &&
(clearPayload.mask & GL_DEPTH_BUFFER_BIT) != 0) {
clearAspectMask |= VK_IMAGE_ASPECT_DEPTH_BIT;
}
if ((resource->aspect & VK_IMAGE_ASPECT_STENCIL_BIT) != 0 &&
(clearPayload.mask & GL_STENCIL_BUFFER_BIT) != 0) {
clearAspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
}
MOBILEGL_ASSERT(clearAspectMask != 0,
"MaterializePendingClearForTexture: textureId=%d has no matching depth/stencil clear mask",
texture.GetExternalIndex());
subresourceRange.aspectMask = clearAspectMask;
VkClearDepthStencilValue clearValue{};
clearValue.depth = clearPayload.depth;
clearValue.stencil = clearPayload.stencil;
vkCmdClearDepthStencilImage(commandBuffer, resource->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
&clearValue, 1, &subresourceRange);
sampledLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL;
}
}
ok = VkTextureManager::TransitionImageLayout(
commandBuffer, resource->image, clearLayout, sampledLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
VK_ACCESS_TRANSFER_WRITE_BIT, VK_ACCESS_SHADER_READ_BIT, resource->aspect, 0, resource->mipLevels,
resource->arrayLayers);
MOBILEGL_ASSERT(ok,
"MaterializePendingClearForTexture: failed to transition textureId=%d to sampled layout",
texture.GetExternalIndex());
resource->layout = sampledLayout;
m_clearManager->PopPendingClear(&texture);
MGLOG_D("MaterializePendingClearForTexture: textureId=%d pending clear materialized",
texture.GetExternalIndex());
return true;
}
Bool VulkanRenderer::MaterializePendingClearForRenderbuffer(
VkCommandBuffer commandBuffer, const SharedPtr<MG_State::GLState::RenderbufferObject>& renderbuffer) {
if (renderbuffer == nullptr) {
return true;
}
ClearAttachmentPayload clearPayload{};
if (!m_renderPassManager->GetPendingRenderbufferClear(renderbuffer.get(), clearPayload)) {
return true;
}
MOBILEGL_ASSERT(VkRenderPassManager::GetActiveRenderPass() == nullptr,
"MaterializePendingClearForRenderbuffer requires no active render pass");
auto* resource = m_renderPassManager->GetOrCreateRenderbufferResource(renderbuffer);
if (resource == nullptr) {
MGLOG_E("MaterializePendingClearForRenderbuffer: no resource for renderbuffer %u",
renderbuffer->GetExternalIndex());
return false;
}
VkPipelineStageFlags srcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcAccessMask = 0;
GetImageTransitionSourceState(resource->layout, srcStageMask, srcAccessMask);
Bool ok = VkTextureManager::TransitionImageLayout(
commandBuffer, resource->image, resource->layout, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
srcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT, srcAccessMask, VK_ACCESS_TRANSFER_WRITE_BIT,
resource->aspect, 0, 1, 1);
MOBILEGL_ASSERT(ok,
"MaterializePendingClearForRenderbuffer: failed to transition renderbuffer %u to TRANSFER_DST",
renderbuffer->GetExternalIndex());
VkImageSubresourceRange subresourceRange{};
subresourceRange.baseMipLevel = 0;
subresourceRange.levelCount = 1;
subresourceRange.baseArrayLayer = 0;
subresourceRange.layerCount = 1;
VkImageLayout steadyLayout;
if ((resource->aspect & VK_IMAGE_ASPECT_COLOR_BIT) != 0) {
subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
VkClearColorValue clearValue{};
clearValue.float32[0] = clearPayload.color.x();
clearValue.float32[1] = clearPayload.color.y();
clearValue.float32[2] = clearPayload.color.z();
// RGB renderbuffers are backed by an RGBA image; the missing alpha reads as 1.
clearValue.float32[3] =
MG_Util::GetBaseInternalFormatComponentCount(renderbuffer->GetInternalFormat()) == 3 ?
1.0f : clearPayload.color.w();
vkCmdClearColorImage(commandBuffer, resource->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
&clearValue, 1, &subresourceRange);
steadyLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
} else {
VkImageAspectFlags clearAspectMask = 0;
if ((resource->aspect & VK_IMAGE_ASPECT_DEPTH_BIT) != 0 &&
(clearPayload.mask & GL_DEPTH_BUFFER_BIT) != 0) {
clearAspectMask |= VK_IMAGE_ASPECT_DEPTH_BIT;
}
if ((resource->aspect & VK_IMAGE_ASPECT_STENCIL_BIT) != 0 &&
(clearPayload.mask & GL_STENCIL_BUFFER_BIT) != 0) {
clearAspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
}
if (clearAspectMask != 0) {
subresourceRange.aspectMask = clearAspectMask;
VkClearDepthStencilValue clearValue{};
clearValue.depth = clearPayload.depth;
clearValue.stencil = clearPayload.stencil;
vkCmdClearDepthStencilImage(commandBuffer, resource->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
&clearValue, 1, &subresourceRange);
}
steadyLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
}
VkImageLayout clearLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
ok = VkTextureManager::TransitionImageLayout(
commandBuffer, resource->image, clearLayout, steadyLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT | VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT |
VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT |
VK_ACCESS_TRANSFER_READ_BIT,
resource->aspect, 0, 1, 1);
MOBILEGL_ASSERT(ok,
"MaterializePendingClearForRenderbuffer: failed to transition renderbuffer %u to steady layout",
renderbuffer->GetExternalIndex());
resource->layout = steadyLayout;
m_renderPassManager->PopPendingRenderbufferClear(renderbuffer.get());
MGLOG_D("MaterializePendingClearForRenderbuffer: renderbuffer %u pending clear materialized",
renderbuffer->GetExternalIndex());
return true;
}
Bool VulkanRenderer::TryBlitToDefaultFramebufferWithShader(FrameContext::FrameData& frame,
MG_State::GLState::FramebufferObject& readFbo,
MG_State::GLState::FramebufferObject& drawFbo,
GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLenum filter) {
const Bool drawIsDefaultFbo = drawFbo.IsDefaultFramebuffer();
if (!drawIsDefaultFbo) {
return false;
}
BlitImageBinding srcBinding{};
BlitImageBinding dstBinding{};
if (!ResolveColorBlitBinding(readFbo, true, m_imageIndexAcquired, m_swapchainObject, *m_textureManager,
*m_renderPassManager, srcBinding) ||
!ResolveColorBlitBinding(drawFbo, false, m_imageIndexAcquired, m_swapchainObject, *m_textureManager,
*m_renderPassManager, dstBinding)) {
return false;
}
if (srcBinding.trackedLayout == nullptr) {
MGLOG_E("BlitFramebuffer skipped: shader blit to default framebuffer requires a texture-backed source framebuffer");
return false;
}
auto* activeRenderPass = VkRenderPassManager::GetActiveRenderPass();
if (activeRenderPass != nullptr) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
const auto& attachment = readFbo.GetAttachment(readFbo.GetReadBuffer());
auto sourceTexture = attachment.GetTexture();
MOBILEGL_ASSERT(sourceTexture != nullptr, "TryBlitToDefaultFramebufferWithShader: source texture is null");
const Bool clearReady = MaterializePendingClearForTexture(frame.commandBuffer, *sourceTexture);
MOBILEGL_ASSERT(clearReady,
"TryBlitToDefaultFramebufferWithShader: failed to materialize pending clear for textureId=%d",
sourceTexture->GetExternalIndex());
const Bool ready = m_textureManager->TransitionTextureForSampling(frame.commandBuffer, *sourceTexture);
if (!ready) {
MGLOG_E("BlitFramebuffer skipped: failed to transition source textureId=%d for sampling",
sourceTexture->GetExternalIndex());
return false;
}
if (m_textureManager->SyncTextureAndGetDescriptor(*sourceTexture) == nullptr) {
MGLOG_E("BlitFramebuffer skipped: failed to resolve source textureId=%d after sampling transition",
sourceTexture->GetExternalIndex());
return false;
}
const VkImageView sourceImageView =
m_textureManager->GetOrCreateSampledViewAtMipLevel(*sourceTexture, srcBinding.mipLevel);
MOBILEGL_ASSERT(sourceImageView != VK_NULL_HANDLE,
"TryBlitToDefaultFramebufferWithShader: failed to create sampled view for textureId=%d mip=%u",
sourceTexture->GetExternalIndex(), srcBinding.mipLevel);
auto& renderPassEntry = m_renderPassManager->GetOrCreateRenderPass(drawFbo, m_imageIndexAcquired);
const Bool ok = VkRenderPassManager::BeginRenderPass(frame.commandBuffer, renderPassEntry);
MOBILEGL_ASSERT(ok, "%s: BeginRenderPass failed", __func__);
ApplyGLViewportState(frame.commandBuffer, renderPassEntry.extent,
m_swapchainObject.GetPreTransform(), drawIsDefaultFbo);
VkRect2D scissor{};
scissor.offset = {0, 0};
scissor.extent = {static_cast<Uint32>(renderPassEntry.extent.x()), static_cast<Uint32>(renderPassEntry.extent.y())};
vkCmdSetScissor(frame.commandBuffer, 0, 1, &scissor);
MOBILEGL_ASSERT(m_blitResources.program != nullptr, "TryBlitToDefaultFramebufferWithShader: blit program is null");
const VkPipeline pipeline = GetOrCreateBlitPipeline(renderPassEntry);
MOBILEGL_ASSERT(pipeline != VK_NULL_HANDLE, "TryBlitToDefaultFramebufferWithShader: blit pipeline is null");
vkCmdBindPipeline(frame.commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
auto* blitProgramData = static_cast<Uint8*>(m_blitResources.program->MapUBO());
MOBILEGL_ASSERT(blitProgramData != nullptr, "TryBlitToDefaultFramebufferWithShader: blit UBO is null");
std::fill(blitProgramData, blitProgramData + m_blitResources.program->GetUBOSize(), Uint8{0});
BlitUniformData blitUniformData{};
const float srcWidth = static_cast<float>(srcBinding.extent.x());
const float srcHeight = static_cast<float>(srcBinding.extent.y());
const float dstWidth = static_cast<float>(dstBinding.extent.x());
const float dstHeight = static_cast<float>(dstBinding.extent.y());
float dstNormWidth = dstWidth;
float dstNormHeight = dstHeight;
switch (m_swapchainObject.GetPreTransform()) {
case VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR:
case VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR:
dstNormWidth = dstHeight;
dstNormHeight = dstWidth;
break;
default:
break;
}
blitUniformData.srcRect[0] = static_cast<float>(srcX0) / srcWidth;
blitUniformData.srcRect[1] = static_cast<float>(srcY0) / srcHeight;
blitUniformData.srcRect[2] = static_cast<float>(srcX1 - srcX0) / srcWidth;
blitUniformData.srcRect[3] = static_cast<float>(srcY1 - srcY0) / srcHeight;
blitUniformData.dstRect[0] = static_cast<float>(dstX0) / dstNormWidth;
blitUniformData.dstRect[1] = static_cast<float>(dstY0) / dstNormHeight;
blitUniformData.dstRect[2] = static_cast<float>(dstX1 - dstX0) / dstNormWidth;
blitUniformData.dstRect[3] = static_cast<float>(dstY1 - dstY0) / dstNormHeight;
blitUniformData.surfaceTransform = static_cast<Int>(ToBlitSurfaceTransform(m_swapchainObject.GetPreTransform()));
auto writeUniform = [&](Int location, const void* data, SizeT size) {
MOBILEGL_ASSERT(location >= 0, "TryBlitToDefaultFramebufferWithShader: invalid uniform location");
const Uint offset = m_blitResources.program->GetUniformOffset(static_cast<Uint>(location));
MOBILEGL_ASSERT(offset + size <= m_blitResources.program->GetUBOSize(),
"TryBlitToDefaultFramebufferWithShader: uniform write out of bounds");
memcpy(blitProgramData + offset, data, size);
};
writeUniform(m_blitResources.srcRectLocation, blitUniformData.srcRect, sizeof(blitUniformData.srcRect));
writeUniform(m_blitResources.dstRectLocation, blitUniformData.dstRect, sizeof(blitUniformData.dstRect));
writeUniform(m_blitResources.surfaceTransformLocation, &blitUniformData.surfaceTransform,
sizeof(blitUniformData.surfaceTransform));
m_blitResources.program->MarkUBOContentDirty();
const auto samplerBindingOverride = UniformManager::SamplerBindingOverride{
.binding = m_blitResources.samplerBinding,
.texture = sourceTexture.get(),
.sampler = (filter == GL_LINEAR ? m_blitResources.linearSampler.get()
: m_blitResources.nearestSampler.get()),
.imageView = sourceImageView,
};
ProgramFactory::CompileOptionFlags blitTransformFlags = 0;
const auto& blitProgramObj = m_programFactory->GetOrCreateProgram(*m_blitResources.program, blitTransformFlags);
const Bool bound = m_uniformManager->BindProgramUniformBuffers(
frame.commandBuffer, *m_blitResources.program, blitProgramObj, m_frameContext.GetCurrentFrameIndex(),
VK_PIPELINE_BIND_POINT_GRAPHICS, &samplerBindingOverride);
MOBILEGL_ASSERT(bound, "TryBlitToDefaultFramebufferWithShader: BindProgramUniformBuffers failed");
vkCmdDraw(frame.commandBuffer, 3, 1, 0, 0);
return true;
}
void VulkanRenderer::BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter) {
auto readFbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Read).GetBoundObject();
auto drawFbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Draw).GetBoundObject();
BlitNamedFramebuffer(readFbo, drawFbo, srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask, filter);
}
void VulkanRenderer::BlitNamedFramebuffer(const SharedPtr<MG_State::GLState::FramebufferObject>& readFbo,
const SharedPtr<MG_State::GLState::FramebufferObject>& drawFbo,
GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter) {
static constexpr GLbitfield kSupportedBlitMask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT;
if ((mask & ~kSupportedBlitMask) != 0) {
MGLOG_E("BlitFramebuffer skipped: unsupported mask bits=0x%x", static_cast<Uint32>(mask));
return;
}
const Bool isColorBlit = (mask & GL_COLOR_BUFFER_BIT) != 0;
const Bool isDepthBlit = (mask & GL_DEPTH_BUFFER_BIT) != 0;
if (!isColorBlit && !isDepthBlit) {
return;
}
if (isColorBlit && isDepthBlit) {
MGLOG_E("BlitFramebuffer skipped: combined color+depth blits are not supported yet (mask=0x%x)",
static_cast<Uint32>(mask));
return;
}
if (filter != GL_NEAREST && filter != GL_LINEAR) {
MGLOG_E("BlitFramebuffer skipped: unsupported filter=0x%x", static_cast<Uint32>(filter));
return;
}
if (isDepthBlit && filter != GL_NEAREST) {
MGLOG_E("BlitFramebuffer skipped: depth blits currently require GL_NEAREST");
return;
}
MOBILEGL_ASSERT(readFbo != nullptr, "VulkanRenderer::BlitFramebuffer: read framebuffer is null");
MOBILEGL_ASSERT(drawFbo != nullptr, "VulkanRenderer::BlitFramebuffer: draw framebuffer is null");
if (IsUnsupportedFramebufferForDirectVulkan(*readFbo) ||
IsUnsupportedFramebufferForDirectVulkan(*drawFbo)) {
RecordUnsupportedFramebufferError(__func__);
return;
}
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
}
auto* activeRenderPass = VkRenderPassManager::GetActiveRenderPass();
if (activeRenderPass != nullptr) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
const Bool readIsDefaultFbo = readFbo->IsDefaultFramebuffer();
const Bool drawIsDefaultFbo = drawFbo->IsDefaultFramebuffer();
if (isColorBlit && drawIsDefaultFbo &&
RequiresShaderBlitToDefaultFramebuffer(m_swapchainObject.GetPreTransform())) {
if (TryBlitToDefaultFramebufferWithShader(frame, *readFbo, *drawFbo,
srcX0, srcY0, srcX1, srcY1,
dstX0, dstY0, dstX1, dstY1, filter)) {
return;
}
MGLOG_E("BlitFramebuffer skipped: rotated blit to default framebuffer requires a texture-backed source framebuffer");
return;
}
if (isDepthBlit) {
BlitImageBinding srcBinding{};
BlitImageBinding dstBinding{};
if (!ResolveFramebufferBlitBinding(*readFbo, true, m_imageIndexAcquired, m_swapchainObject,
*m_textureManager, *m_renderPassManager,
VK_IMAGE_ASPECT_DEPTH_BIT, srcBinding) ||
!ResolveFramebufferBlitBinding(*drawFbo, false, m_imageIndexAcquired, m_swapchainObject,
*m_textureManager, *m_renderPassManager,
VK_IMAGE_ASPECT_DEPTH_BIT, dstBinding)) {
return;
}
if (srcX1 < srcX0 || srcY1 < srcY0 || dstX1 < dstX0 || dstY1 < dstY0) {
MGLOG_E("BlitFramebuffer skipped: depth blits with flipped rectangles are not supported yet");
return;
}
const Int srcWidth = srcX1 - srcX0;
const Int srcHeight = srcY1 - srcY0;
const Int dstWidth = dstX1 - dstX0;
const Int dstHeight = dstY1 - dstY0;
if (srcWidth <= 0 || srcHeight <= 0 || srcWidth != dstWidth || srcHeight != dstHeight) {
MGLOG_E("BlitFramebuffer skipped: depth blits currently require matching source and destination extents");
return;
}
if (!readIsDefaultFbo) {
const auto sourceAttachmentType = ResolveFramebufferCopyAttachmentType(*readFbo, true, srcBinding.aspectMask);
const auto& sourceAttachment = readFbo->GetAttachment(sourceAttachmentType);
auto sourceTexture = sourceAttachment.GetTexture();
MOBILEGL_ASSERT(sourceTexture != nullptr, "BlitFramebuffer: depth source texture attachment is null");
const Bool clearReady = MaterializePendingClearForTexture(frame.commandBuffer, *sourceTexture);
MOBILEGL_ASSERT(clearReady,
"BlitFramebuffer: failed to materialize pending clear for depth source textureId=%d",
sourceTexture->GetExternalIndex());
}
if (!drawIsDefaultFbo) {
// A clear queued for the destination predates this blit in API order;
// execute it now, or its deferred materialization would later stomp the
// copied contents (MC 26.3 OIT clears cloud_depth, then blits the main
// depth into it - the stale loadOp=CLEAR erased the copy).
const auto destAttachmentType = ResolveFramebufferCopyAttachmentType(*drawFbo, false, dstBinding.aspectMask);
const auto& destAttachment = drawFbo->GetAttachment(destAttachmentType);
auto destTexture = destAttachment.GetTexture();
MOBILEGL_ASSERT(destTexture != nullptr, "BlitFramebuffer: depth destination texture attachment is null");
const Bool dstClearReady = MaterializePendingClearForTexture(frame.commandBuffer, *destTexture);
MOBILEGL_ASSERT(dstClearReady,
"BlitFramebuffer: failed to materialize pending clear for depth destination textureId=%d",
destTexture->GetExternalIndex());
}
const VkImageLayout srcOriginalLayout = readIsDefaultFbo
? m_swapchainObject.GetDepthStencilImageLayout(m_imageIndexAcquired)
: *srcBinding.trackedLayout;
if (srcOriginalLayout == VK_IMAGE_LAYOUT_UNDEFINED) {
MGLOG_E("BlitFramebuffer skipped: depth source image layout is undefined");
return;
}
const VkImageLayout dstOriginalLayout = drawIsDefaultFbo
? m_swapchainObject.GetDepthStencilImageLayout(m_imageIndexAcquired)
: *dstBinding.trackedLayout;
const VkImageLayout dstRestoreLayout = dstOriginalLayout == VK_IMAGE_LAYOUT_UNDEFINED
? VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL
: dstOriginalLayout;
VkPipelineStageFlags srcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcAccessMask = 0;
GetImageTransitionSourceState(srcOriginalLayout, srcStageMask, srcAccessMask);
if (readIsDefaultFbo) {
VkImageLayout srcTrackedLayout = srcOriginalLayout;
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, srcTrackedLayout, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
srcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
srcAccessMask, VK_ACCESS_TRANSFER_READ_BIT, srcBinding.aspectMask,
srcBinding.mipLevel, srcBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to transition swapchain depth source image", __func__);
m_swapchainObject.SetDepthStencilImageLayout(m_imageIndexAcquired, srcTrackedLayout);
} else {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, *srcBinding.trackedLayout, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
srcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
srcAccessMask, VK_ACCESS_TRANSFER_READ_BIT, srcBinding.aspectMask,
srcBinding.mipLevel, srcBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to transition depth source image", __func__);
}
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags dstAccessMask = 0;
GetImageTransitionSourceState(dstOriginalLayout, dstStageMask, dstAccessMask);
if (drawIsDefaultFbo) {
VkImageLayout dstTrackedLayout = dstOriginalLayout;
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstBinding.image, dstTrackedLayout, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
dstStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
dstAccessMask, VK_ACCESS_TRANSFER_WRITE_BIT, dstBinding.aspectMask,
dstBinding.mipLevel, dstBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to transition swapchain depth destination image", __func__);
m_swapchainObject.SetDepthStencilImageLayout(m_imageIndexAcquired, dstTrackedLayout);
} else {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstBinding.image, *dstBinding.trackedLayout, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
dstStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
dstAccessMask, VK_ACCESS_TRANSFER_WRITE_BIT, dstBinding.aspectMask,
dstBinding.mipLevel, dstBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to transition depth destination image", __func__);
}
VkImageCopy copyRegion{};
copyRegion.srcSubresource.aspectMask = srcBinding.aspectMask;
copyRegion.srcSubresource.mipLevel = srcBinding.mipLevel;
copyRegion.srcSubresource.baseArrayLayer = srcBinding.baseArrayLayer;
copyRegion.srcSubresource.layerCount = srcBinding.layerCount;
copyRegion.srcOffset = {srcX0, srcY0, 0};
copyRegion.dstSubresource.aspectMask = dstBinding.aspectMask;
copyRegion.dstSubresource.mipLevel = dstBinding.mipLevel;
copyRegion.dstSubresource.baseArrayLayer = dstBinding.baseArrayLayer;
copyRegion.dstSubresource.layerCount = dstBinding.layerCount;
copyRegion.dstOffset = {dstX0, dstY0, 0};
copyRegion.extent = {static_cast<Uint32>(srcWidth), static_cast<Uint32>(srcHeight), 1};
vkCmdCopyImage(frame.commandBuffer,
srcBinding.image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dstBinding.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &copyRegion);
VkPipelineStageFlags srcRestoreStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcRestoreAccessMask = 0;
GetImageTransitionDestinationState(srcOriginalLayout, srcRestoreStageMask, srcRestoreAccessMask);
if (readIsDefaultFbo) {
VkImageLayout srcTrackedLayout = m_swapchainObject.GetDepthStencilImageLayout(m_imageIndexAcquired);
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, srcTrackedLayout, srcOriginalLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, srcRestoreStageMask,
VK_ACCESS_TRANSFER_READ_BIT, srcRestoreAccessMask, srcBinding.aspectMask,
srcBinding.mipLevel, srcBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to restore swapchain depth source image layout", __func__);
m_swapchainObject.SetDepthStencilImageLayout(m_imageIndexAcquired, srcTrackedLayout);
} else {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, *srcBinding.trackedLayout, srcOriginalLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, srcRestoreStageMask,
VK_ACCESS_TRANSFER_READ_BIT, srcRestoreAccessMask, srcBinding.aspectMask,
srcBinding.mipLevel, srcBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to restore depth source image layout", __func__);
}
VkPipelineStageFlags dstRestoreStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags dstRestoreAccessMask = 0;
GetImageTransitionDestinationState(dstRestoreLayout, dstRestoreStageMask, dstRestoreAccessMask);
if (drawIsDefaultFbo) {
VkImageLayout dstTrackedLayout = m_swapchainObject.GetDepthStencilImageLayout(m_imageIndexAcquired);
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstBinding.image, dstTrackedLayout, dstRestoreLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, dstRestoreStageMask,
VK_ACCESS_TRANSFER_WRITE_BIT, dstRestoreAccessMask, dstBinding.aspectMask,
dstBinding.mipLevel, dstBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to restore swapchain depth destination image layout", __func__);
m_swapchainObject.SetDepthStencilImageLayout(m_imageIndexAcquired, dstTrackedLayout);
} else {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstBinding.image, *dstBinding.trackedLayout, dstRestoreLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, dstRestoreStageMask,
VK_ACCESS_TRANSFER_WRITE_BIT, dstRestoreAccessMask, dstBinding.aspectMask,
dstBinding.mipLevel, dstBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to restore depth destination image layout", __func__);
}
return;
}
BlitImageBinding srcBinding{};
BlitImageBinding dstBinding{};
if (!ResolveColorBlitBinding(*readFbo, true, m_imageIndexAcquired, m_swapchainObject, *m_textureManager,
*m_renderPassManager, srcBinding) ||
!ResolveColorBlitBinding(*drawFbo, false, m_imageIndexAcquired, m_swapchainObject, *m_textureManager,
*m_renderPassManager, dstBinding)) {
return;
}
if (!readIsDefaultFbo) {
const auto& sourceAttachment = readFbo->GetAttachment(readFbo->GetReadBuffer());
auto sourceTexture = sourceAttachment.GetTexture();
MOBILEGL_ASSERT(sourceTexture != nullptr, "BlitFramebuffer: source texture attachment is null");
const Bool clearReady = MaterializePendingClearForTexture(frame.commandBuffer, *sourceTexture);
MOBILEGL_ASSERT(clearReady,
"BlitFramebuffer: failed to materialize pending clear for source textureId=%d",
sourceTexture->GetExternalIndex());
}
if (!drawIsDefaultFbo) {
// A clear queued for the destination predates this blit in API order; execute
// it now, or its deferred materialization would later stomp the blitted color.
const auto& destAttachment = drawFbo->GetAttachment(drawFbo->GetDrawBuffers()[0]);
auto destTexture = destAttachment.GetTexture();
if (destTexture != nullptr) {
const Bool dstClearReady = MaterializePendingClearForTexture(frame.commandBuffer, *destTexture);
MOBILEGL_ASSERT(dstClearReady,
"BlitFramebuffer: failed to materialize pending clear for destination textureId=%d",
destTexture->GetExternalIndex());
}
}
VkImageLayout srcLayout = readIsDefaultFbo
? m_swapchainObject.GetImageLayout(m_imageIndexAcquired)
: *srcBinding.trackedLayout;
VkImageLayout dstLayout = drawIsDefaultFbo
? m_swapchainObject.GetImageLayout(m_imageIndexAcquired)
: *dstBinding.trackedLayout;
const VkImageLayout srcOriginalLayout = srcLayout;
const VkImageLayout dstOriginalLayout = dstLayout;
const VkImageLayout dstRestoreLayout = dstOriginalLayout == VK_IMAGE_LAYOUT_UNDEFINED
? VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
: dstOriginalLayout;
if (readIsDefaultFbo && srcLayout == VK_IMAGE_LAYOUT_UNDEFINED) {
MGLOG_E("BlitFramebuffer skipped: swapchain source image layout is undefined");
return;
}
if (srcLayout == VK_IMAGE_LAYOUT_UNDEFINED) {
MGLOG_E("BlitFramebuffer skipped: source image layout is undefined");
return;
}
VkPipelineStageFlags srcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcAccessMask = 0;
GetImageTransitionSourceState(srcLayout, srcStageMask, srcAccessMask);
if (readIsDefaultFbo) {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, srcLayout, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
srcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
srcAccessMask, VK_ACCESS_TRANSFER_READ_BIT, srcBinding.aspectMask);
MOBILEGL_ASSERT(ok, "%s: failed to transition swapchain source image", __func__);
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
} else {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, *srcBinding.trackedLayout, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
srcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
srcAccessMask, VK_ACCESS_TRANSFER_READ_BIT, srcBinding.aspectMask, 0, srcBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to transition source image", __func__);
}
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags dstAccessMask = 0;
GetImageTransitionSourceState(dstLayout, dstStageMask, dstAccessMask);
if (drawIsDefaultFbo) {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstBinding.image, dstLayout, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
dstStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
dstAccessMask, VK_ACCESS_TRANSFER_WRITE_BIT, dstBinding.aspectMask);
MOBILEGL_ASSERT(ok, "%s: failed to transition swapchain destination image", __func__);
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
} else {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstBinding.image, *dstBinding.trackedLayout, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
dstStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
dstAccessMask, VK_ACCESS_TRANSFER_WRITE_BIT, dstBinding.aspectMask, 0, dstBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to transition destination image", __func__);
}
VkImageBlit blitRegion{};
blitRegion.srcSubresource.aspectMask = srcBinding.aspectMask;
blitRegion.srcSubresource.mipLevel = srcBinding.mipLevel;
blitRegion.srcSubresource.baseArrayLayer = srcBinding.baseArrayLayer;
blitRegion.srcSubresource.layerCount = srcBinding.layerCount;
blitRegion.srcOffsets[0] = {srcX0, srcY0, 0};
blitRegion.srcOffsets[1] = {srcX1, srcY1, 1};
blitRegion.dstSubresource.aspectMask = dstBinding.aspectMask;
blitRegion.dstSubresource.mipLevel = dstBinding.mipLevel;
blitRegion.dstSubresource.baseArrayLayer = dstBinding.baseArrayLayer;
blitRegion.dstSubresource.layerCount = dstBinding.layerCount;
blitRegion.dstOffsets[0] = {dstX0, dstY0, 0};
blitRegion.dstOffsets[1] = {dstX1, dstY1, 1};
if (drawIsDefaultFbo) {
ApplyNativeBlitDefaultFramebufferTransform(m_swapchainObject.GetPreTransform(), dstBinding, blitRegion);
}
vkCmdBlitImage(frame.commandBuffer,
srcBinding.image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dstBinding.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &blitRegion, filter == GL_LINEAR ? VK_FILTER_LINEAR : VK_FILTER_NEAREST);
VkPipelineStageFlags srcRestoreStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcRestoreAccessMask = 0;
GetImageTransitionDestinationState(srcOriginalLayout, srcRestoreStageMask, srcRestoreAccessMask);
if (readIsDefaultFbo) {
VkImageLayout srcTrackedLayout = m_swapchainObject.GetImageLayout(m_imageIndexAcquired);
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, srcTrackedLayout, srcOriginalLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, srcRestoreStageMask,
VK_ACCESS_TRANSFER_READ_BIT, srcRestoreAccessMask, srcBinding.aspectMask);
MOBILEGL_ASSERT(ok, "%s: failed to restore swapchain source image layout", __func__);
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, srcTrackedLayout);
} else {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, *srcBinding.trackedLayout, srcOriginalLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, srcRestoreStageMask,
VK_ACCESS_TRANSFER_READ_BIT, srcRestoreAccessMask, srcBinding.aspectMask, 0, srcBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to restore source image layout", __func__);
}
VkPipelineStageFlags dstRestoreStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags dstRestoreAccessMask = 0;
GetImageTransitionDestinationState(dstRestoreLayout, dstRestoreStageMask, dstRestoreAccessMask);
if (drawIsDefaultFbo) {
VkImageLayout dstTrackedLayout = m_swapchainObject.GetImageLayout(m_imageIndexAcquired);
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstBinding.image, dstTrackedLayout, dstRestoreLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, dstRestoreStageMask,
VK_ACCESS_TRANSFER_WRITE_BIT, dstRestoreAccessMask, dstBinding.aspectMask);
MOBILEGL_ASSERT(ok, "%s: failed to restore swapchain destination image layout", __func__);
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, dstTrackedLayout);
} else {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstBinding.image, *dstBinding.trackedLayout, dstRestoreLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, dstRestoreStageMask,
VK_ACCESS_TRANSFER_WRITE_BIT, dstRestoreAccessMask, dstBinding.aspectMask, 0, dstBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to restore destination image layout", __func__);
}
}
void VulkanRenderer::CopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset,
GLint x, GLint y, GLsizei width, GLsizei height) {
if (width <= 0 || height <= 0) {
return;
}
const auto textureTarget = MG_Util::ConvertGLEnumToTextureTarget(target);
if (textureTarget != TextureTarget::Texture2D) {
RecordTextureCopyError(__func__, ErrorCode::InvalidOperation,
"CopyTexSubImage2D currently only supports GL_TEXTURE_2D destinations.");
return;
}
if (level < 0) {
RecordTextureCopyError(__func__, ErrorCode::InvalidValue,
"CopyTexSubImage2D level must be non-negative.");
return;
}
auto& textureUnit = MG_State::pGLContext->GetTextureUnitObject(MG_State::pGLContext->GetActiveTextureUnit());
auto destinationTexture = textureUnit.GetBindingSlot(textureTarget).GetBoundObject();
if (destinationTexture == nullptr) {
RecordTextureCopyError(__func__, ErrorCode::InvalidOperation,
"CopyTexSubImage2D requires a bound destination texture.");
return;
}
auto readFbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Read).GetBoundObject();
if (readFbo == nullptr) {
RecordTextureCopyError(__func__, ErrorCode::InvalidOperation,
"CopyTexSubImage2D requires a framebuffer bound to GL_READ_FRAMEBUFFER.");
return;
}
if (IsUnsupportedFramebufferForDirectVulkan(*readFbo)) {
RecordTextureCopyError(__func__, ErrorCode::InvalidFramebufferOperation,
"CopyTexSubImage2D does not support the current non-default read framebuffer configuration on DirectVulkan.");
return;
}
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
}
if (VkRenderPassManager::GetActiveRenderPass() != nullptr) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
const Bool readIsDefaultFbo = readFbo->IsDefaultFramebuffer();
BlitImageBinding dstBinding{};
if (!ResolveTextureCopyDestinationBinding(*destinationTexture, static_cast<Uint32>(level), *m_textureManager,
dstBinding)) {
RecordTextureCopyError(__func__, ErrorCode::InvalidOperation,
"CopyTexSubImage2D failed to resolve the destination texture.");
return;
}
BlitImageBinding srcBinding{};
if (!ResolveTextureCopySourceBinding(*readFbo, m_imageIndexAcquired, m_swapchainObject, *m_textureManager,
*m_renderPassManager, dstBinding.aspectMask, srcBinding)) {
RecordTextureCopyError(__func__, ErrorCode::InvalidOperation,
"CopyTexSubImage2D requires a complete read attachment compatible with the destination texture.");
return;
}
if (!readIsDefaultFbo) {
const auto sourceAttachmentType = ResolveFramebufferCopyAttachmentType(*readFbo, true, srcBinding.aspectMask);
const auto& sourceAttachment = readFbo->GetAttachment(sourceAttachmentType);
auto sourceTexture = sourceAttachment.GetTexture();
MOBILEGL_ASSERT(sourceTexture != nullptr, "CopyTexSubImage2D: source texture attachment is null");
const Bool clearReady = MaterializePendingClearForTexture(frame.commandBuffer, *sourceTexture);
MOBILEGL_ASSERT(clearReady,
"CopyTexSubImage2D: failed to materialize pending clear for source textureId=%d",
sourceTexture->GetExternalIndex());
}
{
// A clear queued for the destination predates this copy in API order;
// execute it now so the deferred materialization cannot stomp the copy.
const Bool dstClearReady = MaterializePendingClearForTexture(frame.commandBuffer, *destinationTexture);
MOBILEGL_ASSERT(dstClearReady,
"CopyTexSubImage2D: failed to materialize pending clear for destination textureId=%d",
destinationTexture->GetExternalIndex());
}
const Bool srcUsesSwapchainDepth = readIsDefaultFbo && (srcBinding.aspectMask & VK_IMAGE_ASPECT_COLOR_BIT) == 0;
const VkImageLayout srcOriginalLayout = readIsDefaultFbo
? (srcUsesSwapchainDepth
? m_swapchainObject.GetDepthStencilImageLayout(m_imageIndexAcquired)
: m_swapchainObject.GetImageLayout(m_imageIndexAcquired))
: *srcBinding.trackedLayout;
if (srcOriginalLayout == VK_IMAGE_LAYOUT_UNDEFINED) {
RecordTextureCopyError(__func__, ErrorCode::InvalidOperation,
"CopyTexSubImage2D source image has undefined layout.");
return;
}
const VkImageLayout dstOriginalLayout = *dstBinding.trackedLayout;
const VkImageLayout dstRestoreLayout = dstOriginalLayout == VK_IMAGE_LAYOUT_UNDEFINED
? ((dstBinding.aspectMask & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) != 0
? VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL
: VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL)
: dstOriginalLayout;
VkPipelineStageFlags srcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcAccessMask = 0;
GetImageTransitionSourceState(srcOriginalLayout, srcStageMask, srcAccessMask);
if (readIsDefaultFbo) {
VkImageLayout srcTrackedLayout = srcOriginalLayout;
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, srcTrackedLayout, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
srcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
srcAccessMask, VK_ACCESS_TRANSFER_READ_BIT, srcBinding.aspectMask,
srcBinding.mipLevel, srcBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to transition swapchain source image", __func__);
if (srcUsesSwapchainDepth) {
m_swapchainObject.SetDepthStencilImageLayout(m_imageIndexAcquired, srcTrackedLayout);
} else {
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, srcTrackedLayout);
}
} else {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, *srcBinding.trackedLayout, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
srcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
srcAccessMask, VK_ACCESS_TRANSFER_READ_BIT, srcBinding.aspectMask,
srcBinding.mipLevel, srcBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to transition source image", __func__);
}
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags dstAccessMask = 0;
GetImageTransitionSourceState(dstOriginalLayout, dstStageMask, dstAccessMask);
Bool dstReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstBinding.image, *dstBinding.trackedLayout, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
dstStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
dstAccessMask, VK_ACCESS_TRANSFER_WRITE_BIT, dstBinding.aspectMask,
dstBinding.mipLevel, dstBinding.mipLevelCount);
MOBILEGL_ASSERT(dstReady, "%s: failed to transition destination image", __func__);
VkImageCopy copyRegion{};
copyRegion.srcSubresource.aspectMask = srcBinding.aspectMask;
copyRegion.srcSubresource.mipLevel = srcBinding.mipLevel;
copyRegion.srcSubresource.baseArrayLayer = srcBinding.baseArrayLayer;
copyRegion.srcSubresource.layerCount = srcBinding.layerCount;
copyRegion.srcOffset = {x, y, 0};
copyRegion.dstSubresource.aspectMask = dstBinding.aspectMask;
copyRegion.dstSubresource.mipLevel = dstBinding.mipLevel;
copyRegion.dstSubresource.baseArrayLayer = dstBinding.baseArrayLayer;
copyRegion.dstSubresource.layerCount = dstBinding.layerCount;
copyRegion.dstOffset = {xoffset, yoffset, 0};
copyRegion.extent = {static_cast<Uint32>(width), static_cast<Uint32>(height), 1};
vkCmdCopyImage(frame.commandBuffer,
srcBinding.image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dstBinding.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &copyRegion);
VkPipelineStageFlags srcRestoreStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcRestoreAccessMask = 0;
GetImageTransitionDestinationState(srcOriginalLayout, srcRestoreStageMask, srcRestoreAccessMask);
if (readIsDefaultFbo) {
VkImageLayout srcTrackedLayout = srcUsesSwapchainDepth
? m_swapchainObject.GetDepthStencilImageLayout(m_imageIndexAcquired)
: m_swapchainObject.GetImageLayout(m_imageIndexAcquired);
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, srcTrackedLayout, srcOriginalLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, srcRestoreStageMask,
VK_ACCESS_TRANSFER_READ_BIT, srcRestoreAccessMask, srcBinding.aspectMask,
srcBinding.mipLevel, srcBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to restore swapchain source image layout", __func__);
if (srcUsesSwapchainDepth) {
m_swapchainObject.SetDepthStencilImageLayout(m_imageIndexAcquired, srcTrackedLayout);
} else {
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, srcTrackedLayout);
}
} else {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, *srcBinding.trackedLayout, srcOriginalLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, srcRestoreStageMask,
VK_ACCESS_TRANSFER_READ_BIT, srcRestoreAccessMask, srcBinding.aspectMask,
srcBinding.mipLevel, srcBinding.mipLevelCount);
MOBILEGL_ASSERT(ok, "%s: failed to restore source image layout", __func__);
}
VkPipelineStageFlags dstRestoreStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags dstRestoreAccessMask = 0;
GetImageTransitionDestinationState(dstRestoreLayout, dstRestoreStageMask, dstRestoreAccessMask);
Bool dstRestored = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstBinding.image, *dstBinding.trackedLayout, dstRestoreLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, dstRestoreStageMask,
VK_ACCESS_TRANSFER_WRITE_BIT, dstRestoreAccessMask, dstBinding.aspectMask,
dstBinding.mipLevel, dstBinding.mipLevelCount);
MOBILEGL_ASSERT(dstRestored, "%s: failed to restore destination image layout", __func__);
}
void VulkanRenderer::CopyImageSubData(const SharedPtr<MG_State::GLState::ITextureObject>& srcTexture,
GLenum srcTarget, GLint srcLevel, GLint srcX, GLint srcY, GLint srcZ,
const SharedPtr<MG_State::GLState::ITextureObject>& dstTexture,
GLenum dstTarget, GLint dstLevel, GLint dstX, GLint dstY, GLint dstZ,
GLsizei srcWidth, GLsizei srcHeight, GLsizei srcDepth) {
MOBILEGL_ASSERT(srcWidth > 0 && srcHeight > 0 && srcDepth > 0,
"CopyImageSubData requires positive copy dimensions.");
MOBILEGL_ASSERT(srcTexture != nullptr && dstTexture != nullptr,
"CopyImageSubData requires valid source and destination textures.");
const auto srcTextureTarget = MG_Util::ConvertGLEnumToTextureTarget(srcTarget);
const auto dstTextureTarget = MG_Util::ConvertGLEnumToTextureTarget(dstTarget);
MOBILEGL_ASSERT(srcTextureTarget == TextureTarget::Texture2D && dstTextureTarget == TextureTarget::Texture2D,
"CopyImageSubData currently only supports GL_TEXTURE_2D sources and destinations.");
MOBILEGL_ASSERT(srcDepth == 1 && srcZ == 0 && dstZ == 0,
"CopyImageSubData currently only supports single-layer 2D copies.");
MOBILEGL_ASSERT(srcTexture.get() != dstTexture.get(),
"CopyImageSubData does not support in-place texture copies yet.");
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
}
if (VkRenderPassManager::GetActiveRenderPass() != nullptr) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
auto* srcResource = m_textureManager->SyncTextureAndGetDescriptor(*srcTexture);
auto* dstResource = m_textureManager->SyncTextureAndGetDescriptor(*dstTexture);
MOBILEGL_ASSERT(srcResource != nullptr && dstResource != nullptr,
"CopyImageSubData failed to sync source or destination texture.");
MOBILEGL_ASSERT(srcLevel >= 0 && dstLevel >= 0 &&
static_cast<Uint32>(srcLevel) < srcResource->mipLevels &&
static_cast<Uint32>(dstLevel) < dstResource->mipLevels,
"CopyImageSubData mip level is out of range.");
const VkImageAspectFlags copyAspectMask =
srcResource->aspect & dstResource->aspect &
(VK_IMAGE_ASPECT_COLOR_BIT | VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT);
MOBILEGL_ASSERT(copyAspectMask != 0 &&
(srcResource->aspect & copyAspectMask) == srcResource->aspect &&
(dstResource->aspect & copyAspectMask) == dstResource->aspect,
"CopyImageSubData source and destination aspects are incompatible.");
const Uint32 srcMipLevel = static_cast<Uint32>(srcLevel);
const Uint32 dstMipLevel = static_cast<Uint32>(dstLevel);
const Uint32 srcMipWidth = std::max(1u, srcResource->extent.width >> srcMipLevel);
const Uint32 srcMipHeight = std::max(1u, srcResource->extent.height >> srcMipLevel);
const Uint32 dstMipWidth = std::max(1u, dstResource->extent.width >> dstMipLevel);
const Uint32 dstMipHeight = std::max(1u, dstResource->extent.height >> dstMipLevel);
MOBILEGL_ASSERT(srcX >= 0 && srcY >= 0 && dstX >= 0 && dstY >= 0 &&
static_cast<Uint32>(srcX + srcWidth) <= srcMipWidth &&
static_cast<Uint32>(srcY + srcHeight) <= srcMipHeight &&
static_cast<Uint32>(dstX + srcWidth) <= dstMipWidth &&
static_cast<Uint32>(dstY + srcHeight) <= dstMipHeight,
"CopyImageSubData region is outside source or destination bounds.");
const Bool clearReady = MaterializePendingClearForTexture(frame.commandBuffer, *srcTexture);
MOBILEGL_ASSERT(clearReady, "%s: failed to materialize pending clear for source textureId=%d",
__func__, srcTexture->GetExternalIndex());
const VkImageLayout srcOriginalLayout = srcResource->layout;
const VkImageLayout dstOriginalLayout = dstResource->layout;
MOBILEGL_ASSERT(srcOriginalLayout != VK_IMAGE_LAYOUT_UNDEFINED,
"CopyImageSubData source image has undefined layout.");
const VkImageLayout dstRestoreLayout = dstOriginalLayout == VK_IMAGE_LAYOUT_UNDEFINED
? ((copyAspectMask & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) != 0
? VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL
: VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL)
: dstOriginalLayout;
VkPipelineStageFlags srcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcAccessMask = 0;
GetImageTransitionSourceState(srcOriginalLayout, srcStageMask, srcAccessMask);
VkImageLayout srcCopyLayout = srcOriginalLayout;
Bool srcReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcResource->image, srcCopyLayout, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
srcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
srcAccessMask, VK_ACCESS_TRANSFER_READ_BIT, copyAspectMask, srcMipLevel, 1);
MOBILEGL_ASSERT(srcReady, "%s: failed to transition source image", __func__);
VkPipelineStageFlags dstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags dstAccessMask = 0;
GetImageTransitionSourceState(dstOriginalLayout, dstStageMask, dstAccessMask);
VkImageLayout dstCopyLayout = dstOriginalLayout;
if (dstOriginalLayout == VK_IMAGE_LAYOUT_UNDEFINED) {
Bool dstReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstResource->image, dstResource->layout, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
dstStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
dstAccessMask, VK_ACCESS_TRANSFER_WRITE_BIT,
dstResource->aspect, 0, dstResource->mipLevels, dstResource->arrayLayers);
MOBILEGL_ASSERT(dstReady, "%s: failed to transition undefined destination image", __func__);
dstCopyLayout = dstResource->layout;
} else {
Bool dstReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstResource->image, dstCopyLayout, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
dstStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
dstAccessMask, VK_ACCESS_TRANSFER_WRITE_BIT, copyAspectMask, dstMipLevel, 1);
MOBILEGL_ASSERT(dstReady, "%s: failed to transition destination image", __func__);
}
VkImageCopy copyRegion{};
copyRegion.srcSubresource.aspectMask = copyAspectMask;
copyRegion.srcSubresource.mipLevel = srcMipLevel;
copyRegion.srcSubresource.baseArrayLayer = 0;
copyRegion.srcSubresource.layerCount = 1;
copyRegion.srcOffset = {srcX, srcY, 0};
copyRegion.dstSubresource.aspectMask = copyAspectMask;
copyRegion.dstSubresource.mipLevel = dstMipLevel;
copyRegion.dstSubresource.baseArrayLayer = 0;
copyRegion.dstSubresource.layerCount = 1;
copyRegion.dstOffset = {dstX, dstY, 0};
copyRegion.extent = {static_cast<Uint32>(srcWidth), static_cast<Uint32>(srcHeight), 1};
vkCmdCopyImage(frame.commandBuffer,
srcResource->image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
dstResource->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &copyRegion);
VkPipelineStageFlags srcRestoreStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcRestoreAccessMask = 0;
GetImageTransitionDestinationState(srcOriginalLayout, srcRestoreStageMask, srcRestoreAccessMask);
Bool srcRestored = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcResource->image, srcCopyLayout, srcOriginalLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, srcRestoreStageMask,
VK_ACCESS_TRANSFER_READ_BIT, srcRestoreAccessMask, copyAspectMask, srcMipLevel, 1);
MOBILEGL_ASSERT(srcRestored, "%s: failed to restore source image layout", __func__);
VkPipelineStageFlags dstRestoreStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags dstRestoreAccessMask = 0;
GetImageTransitionDestinationState(dstRestoreLayout, dstRestoreStageMask, dstRestoreAccessMask);
if (dstOriginalLayout == VK_IMAGE_LAYOUT_UNDEFINED) {
Bool dstRestored = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstResource->image, dstResource->layout, dstRestoreLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, dstRestoreStageMask,
VK_ACCESS_TRANSFER_WRITE_BIT, dstRestoreAccessMask,
dstResource->aspect, 0, dstResource->mipLevels, dstResource->arrayLayers);
MOBILEGL_ASSERT(dstRestored, "%s: failed to restore undefined destination image layout", __func__);
} else {
Bool dstRestored = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, dstResource->image, dstCopyLayout, dstRestoreLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, dstRestoreStageMask,
VK_ACCESS_TRANSFER_WRITE_BIT, dstRestoreAccessMask, copyAspectMask, dstMipLevel, 1);
MOBILEGL_ASSERT(dstRestored, "%s: failed to restore destination image layout", __func__);
}
}
Bool VulkanRenderer::SubmitReadbackCommandsAndWait(FrameContext::FrameData& frame) {
if (frame.isCommandRecording) {
m_frameContext.EndCommandRecording();
frame.hasCommandBufferRecorded = true;
m_lastPipelineValid = false; // command-buffer boundary: drop the pipeline memo
}
if (!frame.hasCommandBufferRecorded) {
return true;
}
if (!SubmitPendingCommandBuffer(frame, frame.imageInFlightFence, /*pooledFence=*/false)) {
return false;
}
VkResult result = vkWaitForFences(m_device, 1, &frame.imageInFlightFence, VK_TRUE, UINT64_MAX);
if (result != VK_SUCCESS) {
MGLOG_E("DirectVulkan readback: vkWaitForFences returned %d", result);
return false;
}
OnSubmitsCompletedUpTo(frame.lastSubmitIndex);
result = vkResetFences(m_device, 1, &frame.imageInFlightFence);
if (result != VK_SUCCESS) {
MGLOG_E("DirectVulkan readback: vkResetFences returned %d", result);
return false;
}
frame.hasCommandBufferRecorded = false;
frame.isCommandRecording = false;
// The wait proved every submission complete, so the full frame-boundary
// drain applies: descriptor cursors, transient arenas, deferred
// texture/buffer releases, retired command buffers and the converted
// vertex-stream cache all rewind here, keeping present-less readback
// loops bounded (Present is the only other drain point).
TryDrainFrameTransients();
return true;
}
void VulkanRenderer::ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,
void* pixels) {
if (width <= 0 || height <= 0) {
return;
}
auto readFbo = MG_State::pGLContext->GetFramebufferBindingSlot(FramebufferTarget::Read).GetBoundObject();
if (readFbo == nullptr) {
MGLOG_E("DirectVulkan::ReadPixels skipped: no read framebuffer is bound");
return;
}
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
}
if (VkRenderPassManager::GetActiveRenderPass() != nullptr) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
const Bool readIsDefaultFbo = readFbo->IsDefaultFramebuffer();
BlitImageBinding srcBinding{};
if (!ResolveColorBlitBinding(*readFbo, true, m_imageIndexAcquired, m_swapchainObject, *m_textureManager,
*m_renderPassManager, srcBinding)) {
return;
}
if (!readIsDefaultFbo) {
const auto& sourceAttachment = readFbo->GetAttachment(readFbo->GetReadBuffer());
auto sourceTexture = sourceAttachment.GetTexture();
if (sourceTexture != nullptr) {
const Bool clearReady = MaterializePendingClearForTexture(frame.commandBuffer, *sourceTexture);
MOBILEGL_ASSERT(clearReady,
"ReadPixels: failed to materialize pending clear for source textureId=%d",
sourceTexture->GetExternalIndex());
} else if (sourceAttachment.IsRenderbuffer()) {
const Bool clearReady =
MaterializePendingClearForRenderbuffer(frame.commandBuffer, sourceAttachment.GetRenderbuffer());
MOBILEGL_ASSERT(clearReady,
"ReadPixels: failed to materialize pending clear for source renderbuffer %u",
sourceAttachment.GetRenderbuffer()->GetExternalIndex());
}
}
const VkImageLayout srcOriginalLayout = readIsDefaultFbo
? m_swapchainObject.GetImageLayout(m_imageIndexAcquired)
: *srcBinding.trackedLayout;
if (srcOriginalLayout == VK_IMAGE_LAYOUT_UNDEFINED) {
MGLOG_E("DirectVulkan::ReadPixels skipped: source image layout is undefined");
return;
}
const VkFormat srcFormat = srcBinding.format;
const SizeT sourceTexelSize = GetReadbackTexelSize(srcFormat);
if (sourceTexelSize == 0) {
MGLOG_E("DirectVulkan::ReadPixels skipped: unsupported source format=%d",
static_cast<Int>(srcFormat));
return;
}
const VkDeviceSize readbackSize = static_cast<VkDeviceSize>(width) *
static_cast<VkDeviceSize>(height) * sourceTexelSize;
VkBufferObject readback;
if (!readback.Create({
.allocator = m_allocator,
.size = readbackSize,
.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT,
.memoryUsage = VMA_MEMORY_USAGE_AUTO,
.allocationFlags = VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT,
})) {
MGLOG_E("DirectVulkan::ReadPixels skipped: failed to create readback buffer");
return;
}
VkPipelineStageFlags srcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcAccessMask = 0;
GetImageTransitionSourceState(srcOriginalLayout, srcStageMask, srcAccessMask);
if (readIsDefaultFbo) {
VkImageLayout trackedLayout = srcOriginalLayout;
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, trackedLayout, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
srcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
srcAccessMask, VK_ACCESS_TRANSFER_READ_BIT, srcBinding.aspectMask);
MOBILEGL_ASSERT(ok, "%s: failed to transition swapchain source image", __func__);
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, trackedLayout);
} else {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, *srcBinding.trackedLayout, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
srcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
srcAccessMask, VK_ACCESS_TRANSFER_READ_BIT, srcBinding.aspectMask,
srcBinding.mipLevel, 1);
MOBILEGL_ASSERT(ok, "%s: failed to transition source image", __func__);
}
VkBufferImageCopy copyRegion{};
copyRegion.imageSubresource.aspectMask = srcBinding.aspectMask;
copyRegion.imageSubresource.mipLevel = srcBinding.mipLevel;
copyRegion.imageSubresource.baseArrayLayer = srcBinding.baseArrayLayer;
copyRegion.imageSubresource.layerCount = 1;
copyRegion.imageOffset = {x, y, 0};
copyRegion.imageExtent = {static_cast<Uint32>(width), static_cast<Uint32>(height), 1};
vkCmdCopyImageToBuffer(frame.commandBuffer, srcBinding.image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
readback.GetHandle(), 1, &copyRegion);
VkPipelineStageFlags restoreStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags restoreAccessMask = 0;
GetImageTransitionDestinationState(srcOriginalLayout, restoreStageMask, restoreAccessMask);
if (readIsDefaultFbo) {
VkImageLayout trackedLayout = m_swapchainObject.GetImageLayout(m_imageIndexAcquired);
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, trackedLayout, srcOriginalLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, restoreStageMask,
VK_ACCESS_TRANSFER_READ_BIT, restoreAccessMask, srcBinding.aspectMask);
MOBILEGL_ASSERT(ok, "%s: failed to restore swapchain source image layout", __func__);
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, trackedLayout);
} else {
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, srcBinding.image, *srcBinding.trackedLayout, srcOriginalLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, restoreStageMask,
VK_ACCESS_TRANSFER_READ_BIT, restoreAccessMask, srcBinding.aspectMask,
srcBinding.mipLevel, 1);
MOBILEGL_ASSERT(ok, "%s: failed to restore source image layout", __func__);
}
if (!SubmitReadbackCommandsAndWait(frame)) {
return;
}
const auto* mapped = static_cast<const Uint8*>(readback.Map());
if (mapped == nullptr) {
MGLOG_E("DirectVulkan::ReadPixels skipped: failed to map readback buffer");
return;
}
if (!readback.Invalidate(readbackSize)) {
MGLOG_E("DirectVulkan::ReadPixels skipped: failed to invalidate readback buffer");
return;
}
if (readIsDefaultFbo) {
const VkExtent2D swapchainExtent = m_swapchainObject.GetExtent();
const VkSurfaceTransformFlagBitsKHR preTransform = m_swapchainObject.GetPreTransform();
if (static_cast<Uint32>(width) == swapchainExtent.width &&
static_cast<Uint32>(height) == swapchainExtent.height) {
Vector<Uint8> remapped(static_cast<SizeT>(width) * static_cast<SizeT>(height) * sourceTexelSize);
if (RemapDefaultFboReadbackToGLOrientation(mapped, swapchainExtent, preTransform,
sourceTexelSize,
remapped.data())) {
PackReadbackToClientOrPbo(remapped.data(), srcFormat, width, height, 1, format, type, pixels,
/*applyPackImageParams=*/false);
return;
}
}
MGLOG_W("DirectVulkan::ReadPixels: default-FBO remap skipped (w=%d h=%d swapchain=%ux%u preTransform=%d); "
"falling back to raw readback",
width, height, swapchainExtent.width, swapchainExtent.height,
static_cast<Int>(preTransform));
}
PackReadbackToClientOrPbo(mapped, srcFormat, width, height, 1, format, type, pixels,
/*applyPackImageParams=*/false);
}
void VulkanRenderer::GetTexImage(GLenum target, GLint level, GLenum format, GLenum type, GLvoid* pixels) {
const auto textureUploadTarget = MG_Util::ConvertGLEnumToTextureUploadTarget(target);
const auto textureTarget = MG_Util::ConvertGLEnumToTextureTarget(target);
auto& activeUnit = MG_State::pGLContext->GetTextureUnitObject(MG_State::pGLContext->GetActiveTextureUnit());
auto textureObject = activeUnit.GetBindingSlot(textureTarget).GetBoundObject();
GetTextureImage(textureObject, textureUploadTarget, level, format, type, -1, pixels);
}
void VulkanRenderer::GetTextureImage(const SharedPtr<MG_State::GLState::ITextureObject>& textureObject,
TextureUploadTarget textureUploadTarget, GLint level, GLenum format,
GLenum type, GLsizei bufSize, GLvoid* pixels) {
if (textureObject == nullptr || textureObject->GetStorageType() != TextureStorageType::Mipmap) {
return;
}
auto* textureMipmapObject = static_cast<MG_State::GLState::TextureObjectMipmap*>(textureObject.get());
if (level < 0 || static_cast<Uint>(level) >= textureMipmapObject->GetMipmapLevelCount()) {
MGLOG_E("DirectVulkan::GetTexImage skipped: level %d is out of range", level);
return;
}
auto* resource = m_textureManager->SyncTextureAndGetDescriptor(*textureObject);
if (resource == nullptr || resource->image == VK_NULL_HANDLE) {
MGLOG_E("DirectVulkan::GetTexImage skipped: failed to sync textureId=%u",
textureObject->GetExternalIndex());
return;
}
if ((resource->aspect & VK_IMAGE_ASPECT_COLOR_BIT) == 0) {
MGLOG_E("DirectVulkan::GetTexImage skipped: only color textures are supported right now");
return;
}
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
}
if (VkRenderPassManager::GetActiveRenderPass() != nullptr) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
const Bool clearReady = MaterializePendingClearForTexture(frame.commandBuffer, *textureObject);
MOBILEGL_ASSERT(clearReady,
"GetTexImage: failed to materialize pending clear for textureId=%d",
textureObject->GetExternalIndex());
const auto texelSize = textureMipmapObject->GetMipmapTexelSize(textureUploadTarget, static_cast<Uint>(level));
const GLsizei width = texelSize.x();
const GLsizei height = texelSize.y();
if (width <= 0 || height <= 0) {
return;
}
// GetTexImage returns every slice of a 3D level and every layer of an array
// level; GL_PACK_IMAGE_HEIGHT / GL_PACK_SKIP_IMAGES apply to the 3D/array
// destination layout (GL 3.3 section 6.1.4).
const auto imageTextureTarget = textureObject->GetTarget();
const Bool is3dImage = imageTextureTarget == TextureTarget::Texture3D;
const Bool isArrayImage = imageTextureTarget == TextureTarget::Texture1DArray ||
imageTextureTarget == TextureTarget::Texture2DArray ||
imageTextureTarget == TextureTarget::TextureCubeMapArray;
const GLsizei depthSlices = is3dImage ? std::max<GLsizei>(texelSize.z(), 1) : 1;
const GLsizei arrayLayers = isArrayImage ? static_cast<GLsizei>(resource->arrayLayers) : 1;
const GLsizei sliceCount = std::max<GLsizei>(depthSlices * arrayLayers, 1);
if (bufSize >= 0) {
const Int dstChannels = GetReadbackChannelCount(format);
if ((type == GL_UNSIGNED_BYTE || type == GL_FLOAT) && dstChannels > 0) {
const SizeT dstComponentSize = type == GL_FLOAT ? sizeof(Float) : sizeof(Uint8);
const SizeT minSize = static_cast<SizeT>(width) * static_cast<SizeT>(height) *
static_cast<SizeT>(dstChannels) * dstComponentSize;
if (static_cast<SizeT>(bufSize) < minSize) {
MGLOG_E("DirectVulkan::GetTextureImage skipped: destination buffer is too small");
return;
}
}
}
const SizeT sourceTexelSize = GetReadbackTexelSize(resource->format);
if (sourceTexelSize == 0) {
MGLOG_E("DirectVulkan::GetTexImage skipped: unsupported source format=%d",
static_cast<Int>(resource->format));
return;
}
const VkDeviceSize readbackSize = static_cast<VkDeviceSize>(width) *
static_cast<VkDeviceSize>(height) *
static_cast<VkDeviceSize>(sliceCount) * sourceTexelSize;
VkBufferObject readback;
if (!readback.Create({
.allocator = m_allocator,
.size = readbackSize,
.usage = VK_BUFFER_USAGE_TRANSFER_DST_BIT,
.memoryUsage = VMA_MEMORY_USAGE_AUTO,
.allocationFlags = VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT,
})) {
MGLOG_E("DirectVulkan::GetTexImage skipped: failed to create readback buffer");
return;
}
const VkImageLayout originalLayout = resource->layout;
VkPipelineStageFlags srcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags srcAccessMask = 0;
GetImageTransitionSourceState(originalLayout, srcStageMask, srcAccessMask);
Bool ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource->image, resource->layout, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
srcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
srcAccessMask, VK_ACCESS_TRANSFER_READ_BIT, resource->aspect,
static_cast<Uint32>(level), 1);
MOBILEGL_ASSERT(ok, "%s: failed to transition texture image", __func__);
VkBufferImageCopy copyRegion{};
copyRegion.imageSubresource.aspectMask = resource->aspect;
copyRegion.imageSubresource.mipLevel = static_cast<Uint32>(level);
copyRegion.imageSubresource.baseArrayLayer = 0;
copyRegion.imageSubresource.layerCount = static_cast<Uint32>(arrayLayers);
copyRegion.imageExtent = {static_cast<Uint32>(width), static_cast<Uint32>(height),
static_cast<Uint32>(depthSlices)};
vkCmdCopyImageToBuffer(frame.commandBuffer, resource->image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
readback.GetHandle(), 1, &copyRegion);
VkPipelineStageFlags restoreStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags restoreAccessMask = 0;
GetImageTransitionDestinationState(originalLayout, restoreStageMask, restoreAccessMask);
ok = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource->image, resource->layout, originalLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, restoreStageMask,
VK_ACCESS_TRANSFER_READ_BIT, restoreAccessMask, resource->aspect,
static_cast<Uint32>(level), 1);
MOBILEGL_ASSERT(ok, "%s: failed to restore texture image layout", __func__);
if (!SubmitReadbackCommandsAndWait(frame)) {
return;
}
const auto* mapped = static_cast<const Uint8*>(readback.Map());
if (mapped == nullptr) {
MGLOG_E("DirectVulkan::GetTextureImage skipped: failed to map readback buffer");
return;
}
if (!readback.Invalidate(readbackSize)) {
MGLOG_E("DirectVulkan::GetTextureImage skipped: failed to invalidate readback buffer");
return;
}
PackReadbackToClientOrPbo(mapped, resource->format, width, height, sliceCount, format, type, pixels,
/*applyPackImageParams=*/is3dImage || isArrayImage);
}
void VulkanRenderer::GenerateMipmap(GLenum target) {
const auto textureTarget = MG_Util::ConvertGLEnumToTextureTarget(target);
MOBILEGL_ASSERT(textureTarget == TextureTarget::Texture2D || textureTarget == TextureTarget::Texture2DArray ||
textureTarget == TextureTarget::Texture3D || textureTarget == TextureTarget::TextureCubeMap,
"GenerateMipmap currently only supports GL_TEXTURE_2D, GL_TEXTURE_2D_ARRAY, GL_TEXTURE_3D, and GL_TEXTURE_CUBE_MAP.");
auto& textureUnit = MG_State::pGLContext->GetTextureUnitObject(MG_State::pGLContext->GetActiveTextureUnit());
auto texture = textureUnit.GetBindingSlot(textureTarget).GetBoundObject();
MOBILEGL_ASSERT(texture != nullptr, "GenerateMipmap requires a bound texture.");
MOBILEGL_ASSERT(texture->IsComplete(), "GenerateMipmap requires a complete texture.");
auto* mipmapTexture = MG_State::GLState::AsMipmapTexture(texture.get());
MOBILEGL_ASSERT(mipmapTexture != nullptr, "GenerateMipmap requires a mipmapped texture object.");
const Uint32 currentMipLevelCount = static_cast<Uint32>(mipmapTexture->GetMipmapLevelCount());
MOBILEGL_ASSERT(currentMipLevelCount > 0, "GenerateMipmap requires level 0 storage.");
const Uint32 baseMipLevel = std::min(static_cast<Uint32>(texture->GetLevelRange().x()), currentMipLevelCount - 1);
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
}
if (VkRenderPassManager::GetActiveRenderPass() != nullptr) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
const Bool clearReady = MaterializePendingClearForTexture(frame.commandBuffer, *texture);
MOBILEGL_ASSERT(clearReady,
"GenerateMipmap: failed to materialize pending clear for textureId=%d",
texture->GetExternalIndex());
auto* resource = m_textureManager->SyncTextureAndGetDescriptor(*texture);
MOBILEGL_ASSERT(resource != nullptr && resource->image != VK_NULL_HANDLE,
"GenerateMipmap failed to sync the backend texture.");
VkFormatProperties formatProperties{};
vkGetPhysicalDeviceFormatProperties(m_physicalDevice.handle, resource->format, &formatProperties);
const VkFormatFeatureFlags optimalTilingFeatures = formatProperties.optimalTilingFeatures;
const Bool isDepthOrStencilTexture =
(resource->aspect & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) != 0;
const Bool supportsNativeBlit =
(optimalTilingFeatures & VK_FORMAT_FEATURE_BLIT_SRC_BIT) != 0 &&
(optimalTilingFeatures & VK_FORMAT_FEATURE_BLIT_DST_BIT) != 0;
if (!isDepthOrStencilTexture && !supportsNativeBlit) {
MGLOG_W("GenerateMipmap skipped for textureId=%d because Vulkan format %d does not support blit-based mip generation",
texture->GetExternalIndex(), static_cast<Int>(resource->format));
return;
}
if (isDepthOrStencilTexture) {
MOBILEGL_ASSERT((resource->aspect & VK_IMAGE_ASPECT_STENCIL_BIT) == 0,
"GenerateMipmap: depth-stencil mipmap generation is not supported yet.");
}
const Bool allocatedMipmapStorage = EnsureGenerateMipmapStorageAllocated(*mipmapTexture, baseMipLevel);
MOBILEGL_ASSERT(allocatedMipmapStorage, "GenerateMipmap could not allocate a full mip chain for this texture.");
resource = m_textureManager->SyncTextureAndGetDescriptor(*texture);
MOBILEGL_ASSERT(resource != nullptr && resource->image != VK_NULL_HANDLE,
"GenerateMipmap failed to resync the backend texture after allocating mip storage.");
if (resource->layout == VK_IMAGE_LAYOUT_UNDEFINED) {
const VkImageLayout finalLayout = ResolveGenerateMipmapFinalLayout(resource->aspect);
Bool transitioned = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource->image, resource->layout, finalLayout,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
0, VK_ACCESS_SHADER_READ_BIT, resource->aspect, 0, resource->mipLevels, resource->arrayLayers);
MOBILEGL_ASSERT(transitioned, "GenerateMipmap: failed to transition uninitialized mip chain");
return;
}
const IntVec3 storageBaseTexelSize = {
static_cast<Int>(resource->extent.width),
static_cast<Int>(resource->extent.height),
static_cast<Int>(resource->depth),
};
const IntVec3 baseTexelSize = ComputeMipTexelSize(storageBaseTexelSize, baseMipLevel);
const Uint32 requiredMipLevelCount = baseMipLevel + ComputeFullMipLevelCount(baseTexelSize);
const Uint32 generateMipLevelCount = std::min(requiredMipLevelCount, resource->mipLevels);
if (generateMipLevelCount <= baseMipLevel + 1) {
resource->layout = ResolveGenerateMipmapFinalLayout(resource->aspect);
return;
}
const VkImageLayout originalLayout = resource->layout;
const VkImageLayout finalLayout = ResolveGenerateMipmapFinalLayout(resource->aspect);
if (isDepthOrStencilTexture && !supportsNativeBlit) {
const Bool supportsShaderDepthMipmap =
(optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT) != 0 &&
(optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT) != 0;
MOBILEGL_ASSERT(resource->aspect == VK_IMAGE_ASPECT_DEPTH_BIT,
"GenerateMipmap: shader fallback only supports depth-only textures.");
MOBILEGL_ASSERT(textureTarget == TextureTarget::Texture2D && resource->depth == 1 && resource->arrayLayers == 1,
"GenerateMipmap: shader fallback only supports single-layer GL_TEXTURE_2D depth textures.");
MOBILEGL_ASSERT(supportsShaderDepthMipmap,
"GenerateMipmap: depth texture format %d lacks sampled/depth-attachment support for shader fallback.",
static_cast<Int>(resource->format));
const Bool depthReady = GenerateDepthMipmapWithShader(frame, *texture, *resource,
baseMipLevel, generateMipLevelCount,
storageBaseTexelSize, originalLayout, finalLayout);
MOBILEGL_ASSERT(depthReady,
"GenerateMipmap: depth fallback failed for textureId=%d target=%d internalFormat=%d vkFormat=%d",
texture->GetExternalIndex(), static_cast<Int>(texture->GetTarget()),
static_cast<Int>(texture->GetFormat()), static_cast<Int>(resource->format));
return;
}
const VkFilter blitFilter = isDepthOrStencilTexture
? VK_FILTER_NEAREST
: ((optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT) != 0
? VK_FILTER_LINEAR
: VK_FILTER_NEAREST);
VkPipelineStageFlags originalSrcStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags originalSrcAccessMask = 0;
GetImageTransitionSourceState(originalLayout, originalSrcStageMask, originalSrcAccessMask);
VkPipelineStageFlags finalDstStageMask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags finalDstAccessMask = 0;
GetImageTransitionDestinationState(finalLayout, finalDstStageMask, finalDstAccessMask);
if (originalLayout != finalLayout) {
if (baseMipLevel > 0) {
VkImageLayout lowerMipLayout = originalLayout;
const Bool lowerReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource->image, lowerMipLayout, finalLayout,
originalSrcStageMask, finalDstStageMask,
originalSrcAccessMask, finalDstAccessMask,
resource->aspect, 0, baseMipLevel);
MOBILEGL_ASSERT(lowerReady, "%s: failed to transition lower untouched mip levels", __func__);
}
if (generateMipLevelCount < resource->mipLevels) {
VkImageLayout upperMipLayout = originalLayout;
const Bool upperReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource->image, upperMipLayout, finalLayout,
originalSrcStageMask, finalDstStageMask,
originalSrcAccessMask, finalDstAccessMask,
resource->aspect, generateMipLevelCount, resource->mipLevels - generateMipLevelCount);
MOBILEGL_ASSERT(upperReady, "%s: failed to transition upper untouched mip levels", __func__);
}
}
VkImageLayout srcMipLayout = originalLayout;
Bool srcReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource->image, srcMipLayout, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
originalSrcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
originalSrcAccessMask, VK_ACCESS_TRANSFER_READ_BIT,
resource->aspect, baseMipLevel, 1);
MOBILEGL_ASSERT(srcReady, "%s: failed to transition base mip level to transfer source", __func__);
for (Uint32 level = baseMipLevel + 1; level < generateMipLevelCount; ++level) {
VkImageLayout dstMipLayout = originalLayout;
Bool dstReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource->image, dstMipLayout, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
originalSrcStageMask, VK_PIPELINE_STAGE_TRANSFER_BIT,
originalSrcAccessMask, VK_ACCESS_TRANSFER_WRITE_BIT,
resource->aspect, level, 1);
MOBILEGL_ASSERT(dstReady, "%s: failed to transition mip level %u to transfer destination", __func__, level);
const IntVec3 srcTexelSize = ComputeMipTexelSize(storageBaseTexelSize, level - 1);
const IntVec3 dstTexelSize = ComputeMipTexelSize(storageBaseTexelSize, level);
VkImageBlit blitRegion{};
blitRegion.srcSubresource.aspectMask = resource->aspect;
blitRegion.srcSubresource.mipLevel = level - 1;
blitRegion.srcSubresource.baseArrayLayer = 0;
blitRegion.srcSubresource.layerCount = resource->arrayLayers;
blitRegion.srcOffsets[0] = {0, 0, 0};
blitRegion.srcOffsets[1] = {srcTexelSize.x(), srcTexelSize.y(), srcTexelSize.z()};
blitRegion.dstSubresource.aspectMask = resource->aspect;
blitRegion.dstSubresource.mipLevel = level;
blitRegion.dstSubresource.baseArrayLayer = 0;
blitRegion.dstSubresource.layerCount = resource->arrayLayers;
blitRegion.dstOffsets[0] = {0, 0, 0};
blitRegion.dstOffsets[1] = {dstTexelSize.x(), dstTexelSize.y(), dstTexelSize.z()};
vkCmdBlitImage(frame.commandBuffer,
resource->image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
resource->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &blitRegion, blitFilter);
VkImageLayout finishedSrcLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
Bool srcRestored = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource->image, finishedSrcLayout, finalLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, finalDstStageMask,
VK_ACCESS_TRANSFER_READ_BIT, finalDstAccessMask,
resource->aspect, level - 1, 1);
MOBILEGL_ASSERT(srcRestored, "%s: failed to transition mip level %u to final layout", __func__, level - 1);
if (level + 1 < generateMipLevelCount) {
VkImageLayout nextSrcLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
Bool nextSrcReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource->image, nextSrcLayout, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_ACCESS_TRANSFER_WRITE_BIT, VK_ACCESS_TRANSFER_READ_BIT,
resource->aspect, level, 1);
MOBILEGL_ASSERT(nextSrcReady, "%s: failed to prepare mip level %u as next transfer source", __func__, level);
} else {
VkImageLayout lastMipLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
Bool lastMipReady = VkTextureManager::TransitionImageLayout(
frame.commandBuffer, resource->image, lastMipLayout, finalLayout,
VK_PIPELINE_STAGE_TRANSFER_BIT, finalDstStageMask,
VK_ACCESS_TRANSFER_WRITE_BIT, finalDstAccessMask,
resource->aspect, level, 1);
MOBILEGL_ASSERT(lastMipReady, "%s: failed to transition last mip level to final layout", __func__);
}
}
resource->layout = finalLayout;
}
void VulkanRenderer::DrawArrays(const DrawCmd& payload) {
auto& frame = m_frameContext.GetCurrent();
if (!SetupDraw(frame, payload.mode, 0, payload.params)) {
return;
}
MOBILEGL_ASSERT(frame.isCommandRecording, "%s: frame recording was not started", __func__);
VkCommandBuffer& commandBuffer = frame.commandBuffer;
vkCmdDraw(commandBuffer,
payload.params.vertexCount,
payload.params.instanceCount,
payload.params.firstVertex,
payload.params.firstInstance);
}
void VulkanRenderer::DrawElements(const DrawIndexedCmd& payload) {
auto& frame = m_frameContext.GetCurrent();
DrawCmdParam vertexRange{};
vertexRange.vertexCount = payload.params.indexCount + (payload.params.vertexOffset > 0
? static_cast<Uint32>(payload.params.vertexOffset)
: 0);
vertexRange.instanceCount = payload.params.instanceCount;
vertexRange.firstVertex = 0;
vertexRange.firstInstance = static_cast<Uint32>(payload.params.firstInstance);
vertexRange.baseVertex = payload.params.vertexOffset;
// Direct DrawElements fetches exactly the indices in its view, so vertex-stream
// conversion may bound its work by scanning them.
vertexRange.indexRangeIsExactView = true;
if (!SetupDraw(frame, payload.mode, DrawSetupAspect::IndexBuffer, vertexRange,
&payload.indexBufferView)) {
return;
}
MOBILEGL_ASSERT(frame.isCommandRecording, "%s: frame recording was not started", __func__);
VkCommandBuffer& commandBuffer = frame.commandBuffer;
vkCmdDrawIndexed(commandBuffer,
payload.params.indexCount,
payload.params.instanceCount,
payload.params.firstIndex,
payload.params.vertexOffset,
payload.params.firstInstance);
}
void VulkanRenderer::MultiDrawArrays(const MultiDrawCmd& payload) {
auto& frame = m_frameContext.GetCurrent();
// One state/pipeline setup covering the union of all sub-draw vertex ranges, then a vkCmdDraw
// per range -- mirrors MultiDrawElements.
DrawCmdParam vertexRange{};
for (Uint32 idraw = 0; idraw < payload.drawCount; ++idraw) {
vertexRange.vertexCount = std::max(vertexRange.vertexCount,
payload.pParams[idraw].firstVertex + payload.pParams[idraw].vertexCount);
vertexRange.instanceCount = std::max(vertexRange.instanceCount, payload.pParams[idraw].instanceCount);
vertexRange.firstInstance = std::max(vertexRange.firstInstance, payload.pParams[idraw].firstInstance);
}
if (!SetupDraw(frame, payload.mode, 0, vertexRange)) {
return;
}
MOBILEGL_ASSERT(frame.isCommandRecording, "%s: frame recording was not started", __func__);
VkCommandBuffer& commandBuffer = frame.commandBuffer;
for (Uint32 idraw = 0; idraw < payload.drawCount; ++idraw) {
vkCmdDraw(commandBuffer,
payload.pParams[idraw].vertexCount,
payload.pParams[idraw].instanceCount,
payload.pParams[idraw].firstVertex,
payload.pParams[idraw].firstInstance);
}
}
void VulkanRenderer::MultiDrawElements(const MultiDrawIndexedCmd& payload) {
auto& frame = m_frameContext.GetCurrent();
DrawCmdParam vertexRange{};
for (Uint32 idraw = 0; idraw < payload.drawCount; ++idraw) {
vertexRange.vertexCount = std::max(vertexRange.vertexCount, payload.pParams[idraw].indexCount);
vertexRange.instanceCount = std::max(vertexRange.instanceCount, payload.pParams[idraw].instanceCount);
vertexRange.firstInstance = std::max(vertexRange.firstInstance,
static_cast<Uint32>(payload.pParams[idraw].firstInstance));
}
if (!SetupDraw(frame, payload.mode, DrawSetupAspect::IndexBuffer, vertexRange,
&payload.indexBufferView)) {
return;
}
MOBILEGL_ASSERT(frame.isCommandRecording, "%s: frame recording was not started", __func__);
VkCommandBuffer& commandBuffer = frame.commandBuffer;
for (Uint32 idraw = 0; idraw < payload.drawCount; ++idraw) {
vkCmdDrawIndexed(commandBuffer,
payload.pParams[idraw].indexCount,
payload.pParams[idraw].instanceCount,
payload.pParams[idraw].firstIndex,
payload.pParams[idraw].vertexOffset,
payload.pParams[idraw].firstInstance);
}
}
void VulkanRenderer::MultiDrawElementsIndirectCount(GLenum mode, GLenum type, const void* indirect,
GLintptr drawcount, GLsizei maxdrawcount, GLsizei stride) {
auto& frame = m_frameContext.GetCurrent();
if (maxdrawcount <= 0) {
return;
}
if (stride == 0) {
stride = sizeof(DrawIndexedCmdParam);
}
if (stride < static_cast<GLsizei>(sizeof(DrawIndexedCmdParam))) {
MGLOG_E("MultiDrawElementsIndirectCount skipped: stride %d is smaller than command size %zu",
stride, sizeof(DrawIndexedCmdParam));
return;
}
const SizeT indexSize = MG_Util::GetGLTypeSize(type);
if (indexSize == 0) {
MGLOG_E("MultiDrawElementsIndirectCount skipped: unsupported index type 0x%x", type);
return;
}
const auto& vao = *MG_State::pGLContext->GetBoundVertexArray();
const auto* indexBuffer = vao.GetIndexBufferBindingSlot().GetBoundObject().get();
if (!indexBuffer) {
MGLOG_E("MultiDrawElementsIndirectCount skipped: no element array buffer is bound");
return;
}
const SizeT commandOffset = reinterpret_cast<SizeT>(indirect);
const SizeT commandBytes = commandOffset +
static_cast<SizeT>(stride) * static_cast<SizeT>(maxdrawcount - 1) + sizeof(DrawIndexedCmdParam);
auto drawBuffer = MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::DrawIndirect).GetBoundObject();
if (!drawBuffer || commandBytes > drawBuffer->GetSize()) {
MGLOG_E("MultiDrawElementsIndirectCount skipped: invalid GL_DRAW_INDIRECT_BUFFER binding or range");
return;
}
auto parameterBuffer = MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::Parameter).GetBoundObject();
if (!parameterBuffer || static_cast<SizeT>(drawcount) + sizeof(Uint32) > parameterBuffer->GetSize()) {
MGLOG_E("MultiDrawElementsIndirectCount skipped: invalid GL_PARAMETER_BUFFER binding or range");
return;
}
DrawCmdParam vertexRange{};
vertexRange.vertexCount = static_cast<Uint32>(indexBuffer->GetSize() / indexSize);
vertexRange.instanceCount = 1;
IndexBufferView indexBufferView{};
indexBufferView.indexType = type;
indexBufferView.indexByteOffset = 0;
indexBufferView.indexByteSize = indexBuffer->GetSize();
if (!SetupDraw(frame, mode, DrawSetupAspect::IndexBuffer | DrawSetupAspect::IndirectDrawBuffer,
vertexRange, &indexBufferView)) {
return;
}
drawBuffer->SyncPersistentMappedRange();
parameterBuffer->SyncPersistentMappedRange();
BufferSlice drawSlice{};
if (!m_bufferManager.AcquireResidentSlice(BufferKind::Indirect, drawBuffer, drawSlice)) {
MGLOG_E("MultiDrawElementsIndirectCount skipped: failed to sync draw indirect buffer");
return;
}
BufferSlice parameterSlice{};
if (!m_bufferManager.AcquireResidentSlice(BufferKind::Indirect, parameterBuffer, parameterSlice)) {
MGLOG_E("MultiDrawElementsIndirectCount skipped: failed to sync parameter buffer");
return;
}
MOBILEGL_ASSERT(frame.isCommandRecording, "%s: frame recording was not started", __func__);
// vkCmdDrawIndexedIndirectCount with maxDrawCount > 1 additionally requires the
// multiDrawIndirect device feature; fall back to the CPU readback loop otherwise.
if (m_drawIndirectCountExtensionEnabled && s_vkCmdDrawIndexedIndirectCount &&
(m_multiDrawIndirectFeatureEnabled || maxdrawcount == 1)) {
MGLOG_D("DirectVulkan: glMultiDrawElementsIndirectCountARB(max=%d stride=%d)", maxdrawcount, stride);
s_vkCmdDrawIndexedIndirectCount(frame.commandBuffer,
drawSlice.buffer,
drawSlice.offset + static_cast<VkDeviceSize>(commandOffset),
parameterSlice.buffer,
parameterSlice.offset + static_cast<VkDeviceSize>(drawcount),
static_cast<Uint32>(maxdrawcount),
static_cast<Uint32>(stride));
return;
}
const Uint8* parameterData = parameterBuffer->MappedData();
const Uint8* drawData = drawBuffer->MappedData();
Uint32 actualDrawCount = 0;
std::memcpy(&actualDrawCount, parameterData + drawcount, sizeof(actualDrawCount));
actualDrawCount = std::min<Uint32>(actualDrawCount, static_cast<Uint32>(maxdrawcount));
for (Uint32 idraw = 0; idraw < actualDrawCount; ++idraw) {
DrawIndexedCmdParam cmd{};
std::memcpy(&cmd, drawData + commandOffset + static_cast<SizeT>(idraw) * stride, sizeof(cmd));
vkCmdDrawIndexed(frame.commandBuffer, cmd.indexCount, cmd.instanceCount, cmd.firstIndex,
cmd.vertexOffset, cmd.firstInstance);
}
}
void VulkanRenderer::MultiDrawElementsIndirect(GLenum mode, GLenum type, const void* indirect,
GLsizei drawcount, GLsizei stride) {
auto& frame = m_frameContext.GetCurrent();
if (drawcount <= 0) {
return;
}
if (stride == 0) {
stride = sizeof(DrawIndexedCmdParam);
}
if (stride < static_cast<GLsizei>(sizeof(DrawIndexedCmdParam))) {
MGLOG_E("MultiDrawElementsIndirect skipped: stride %d is smaller than command size %zu",
stride, sizeof(DrawIndexedCmdParam));
return;
}
const SizeT indexSize = MG_Util::GetGLTypeSize(type);
if (indexSize == 0) {
MGLOG_E("MultiDrawElementsIndirect skipped: unsupported index type 0x%x", type);
return;
}
const auto& vao = *MG_State::pGLContext->GetBoundVertexArray();
const auto* indexBuffer = vao.GetIndexBufferBindingSlot().GetBoundObject().get();
if (!indexBuffer) {
MGLOG_E("MultiDrawElementsIndirect skipped: no element array buffer is bound");
return;
}
const SizeT commandOffset = reinterpret_cast<SizeT>(indirect);
const SizeT commandBytes = commandOffset +
static_cast<SizeT>(stride) * static_cast<SizeT>(drawcount - 1) + sizeof(DrawIndexedCmdParam);
auto drawBuffer = MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::DrawIndirect).GetBoundObject();
if (!drawBuffer || commandBytes > drawBuffer->GetSize()) {
MGLOG_E("MultiDrawElementsIndirect skipped: invalid GL_DRAW_INDIRECT_BUFFER binding or range");
return;
}
// The command parameters live on the GPU; the CPU-visible range that any single
// command may address is the whole element array buffer.
DrawCmdParam vertexRange{};
vertexRange.vertexCount = static_cast<Uint32>(indexBuffer->GetSize() / indexSize);
vertexRange.instanceCount = 1;
IndexBufferView indexBufferView{};
indexBufferView.indexType = type;
indexBufferView.indexByteOffset = 0;
indexBufferView.indexByteSize = indexBuffer->GetSize();
if (!SetupDraw(frame, mode, DrawSetupAspect::IndexBuffer | DrawSetupAspect::IndirectDrawBuffer,
vertexRange, &indexBufferView)) {
return;
}
BufferSlice drawSlice{};
if (!m_bufferManager.AcquireResidentSlice(BufferKind::Indirect, drawBuffer, drawSlice)) {
MGLOG_E("MultiDrawElementsIndirect skipped: failed to sync draw indirect buffer");
return;
}
MOBILEGL_ASSERT(frame.isCommandRecording, "%s: frame recording was not started", __func__);
MGLOG_D("DirectVulkan: glMultiDrawElementsIndirect(drawcount=%d stride=%d)", drawcount, stride);
if (drawcount == 1 || (m_multiDrawIndirectFeatureEnabled && stride % 4 == 0)) {
vkCmdDrawIndexedIndirect(frame.commandBuffer,
drawSlice.buffer,
drawSlice.offset + static_cast<VkDeviceSize>(commandOffset),
static_cast<Uint32>(drawcount),
static_cast<Uint32>(stride));
return;
}
// multiDrawIndirect device feature unavailable: one indirect draw per command is
// valid without it and still consumes the GPU-written parameters.
for (GLsizei idraw = 0; idraw < drawcount; ++idraw) {
vkCmdDrawIndexedIndirect(frame.commandBuffer,
drawSlice.buffer,
drawSlice.offset + static_cast<VkDeviceSize>(commandOffset) +
static_cast<VkDeviceSize>(idraw) * static_cast<VkDeviceSize>(stride),
1, 0);
}
}
void VulkanRenderer::MultiDrawArraysIndirect(GLenum mode, const void* indirect, GLsizei drawcount,
GLsizei stride) {
auto& frame = m_frameContext.GetCurrent();
if (drawcount <= 0) {
return;
}
if (stride == 0) {
stride = sizeof(DrawCmdParam);
}
if (stride < static_cast<GLsizei>(sizeof(DrawCmdParam))) {
MGLOG_E("MultiDrawArraysIndirect skipped: stride %d is smaller than command size %zu",
stride, sizeof(DrawCmdParam));
return;
}
const SizeT commandOffset = reinterpret_cast<SizeT>(indirect);
const SizeT commandBytes = commandOffset +
static_cast<SizeT>(stride) * static_cast<SizeT>(drawcount - 1) + sizeof(DrawCmdParam);
auto drawBuffer = MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::DrawIndirect).GetBoundObject();
if (!drawBuffer || commandBytes > drawBuffer->GetSize()) {
MGLOG_E("MultiDrawArraysIndirect skipped: invalid GL_DRAW_INDIRECT_BUFFER binding or range");
return;
}
// The command parameters live on the GPU, so the vertex range is unknown here;
// resident vertex buffers are uploaded in full regardless.
DrawCmdParam vertexRange{};
vertexRange.vertexCount = 0;
vertexRange.instanceCount = 1;
if (!SetupDraw(frame, mode, DrawSetupAspect::IndirectDrawBuffer, vertexRange)) {
return;
}
BufferSlice drawSlice{};
if (!m_bufferManager.AcquireResidentSlice(BufferKind::Indirect, drawBuffer, drawSlice)) {
MGLOG_E("MultiDrawArraysIndirect skipped: failed to sync draw indirect buffer");
return;
}
MOBILEGL_ASSERT(frame.isCommandRecording, "%s: frame recording was not started", __func__);
MGLOG_D("DirectVulkan: glMultiDrawArraysIndirect(drawcount=%d stride=%d)", drawcount, stride);
if (drawcount == 1 || (m_multiDrawIndirectFeatureEnabled && stride % 4 == 0)) {
vkCmdDrawIndirect(frame.commandBuffer,
drawSlice.buffer,
drawSlice.offset + static_cast<VkDeviceSize>(commandOffset),
static_cast<Uint32>(drawcount),
static_cast<Uint32>(stride));
return;
}
for (GLsizei idraw = 0; idraw < drawcount; ++idraw) {
vkCmdDrawIndirect(frame.commandBuffer,
drawSlice.buffer,
drawSlice.offset + static_cast<VkDeviceSize>(commandOffset) +
static_cast<VkDeviceSize>(idraw) * static_cast<VkDeviceSize>(stride),
1, 0);
}
}
VkCommandBuffer VulkanRenderer::AcquireBufferCopyCommandBuffer() {
if (m_device == VK_NULL_HANDLE || m_frameContext.GetFrameCount() == 0) {
return VK_NULL_HANDLE;
}
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
}
// vkCmdCopyBuffer must be recorded outside a render pass; draws re-begin
// their render pass lazily, matching the existing blit/clear pattern.
if (VkRenderPassManager::GetActiveRenderPass() != nullptr) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
return frame.commandBuffer;
}
Bool VulkanRenderer::IsFrameSerialComplete(Uint64 serial) const {
return serial <= m_bufferManager.GetCompletedSerial();
}
Bool VulkanRenderer::WaitForFrameSerial(Uint64 serial, Uint64 timeoutNs) {
(void)timeoutNs;
if (IsFrameSerialComplete(serial)) {
return true;
}
// Work recorded under the current serial has not been submitted yet
// (submission happens in Present, on this same thread), so blocking
// can never make progress; the caller reports a timeout instead.
if (serial >= m_bufferManager.GetFrameSerial()) {
return false;
}
if (m_device == VK_NULL_HANDLE || m_graphicsQueue == VK_NULL_HANDLE) {
return true;
}
// The serial was submitted but has not been observed complete. Frame
// fences are only waited on when their slot is reused, so the simplest
// safe wait is to drain the graphics queue; this over-waits (bounded
// by the in-flight frame count) but never deadlocks.
const VkResult result = vkQueueWaitIdle(m_graphicsQueue);
if (result != VK_SUCCESS) {
MGLOG_E("WaitForFrameSerial: vkQueueWaitIdle returned %d", result);
return false;
}
m_bufferManager.NotifyDeviceIdle();
OnSubmitsCompletedUpTo(m_submitCounter);
// The queue was just drained; take the free frame-boundary drain when
// nothing is recorded (present-less timer-query loops). No-op otherwise.
TryDrainFrameTransients();
return true;
}
Uint64 VulkanRenderer::GetSyncPointSubmitIndex() const {
// Commands recorded (or still recording) since the last submission are
// carried by the NEXT submission; a fence created now must wait for it.
return m_submitCounter + (HasPendingRecordedWork() ? 1 : 0);
}
Bool VulkanRenderer::HasPendingRecordedWork() const {
if (m_frameContext.GetFrameCount() == 0) {
return false;
}
const auto& frame = m_frameContext.GetCurrent();
return frame.isCommandRecording || frame.hasCommandBufferRecorded;
}
Bool VulkanRenderer::IsSubmitIndexComplete(Uint64 submitIndex) {
if (submitIndex <= m_completedSubmitCounter) {
return true;
}
if (submitIndex > m_submitCounter) {
return false; // not even submitted; no point polling fences
}
RefreshCompletedSubmits();
return submitIndex <= m_completedSubmitCounter;
}
void VulkanRenderer::RegisterSubmit(VkFence fence, Bool pooledFence) {
++m_submitCounter;
m_inFlightSubmits.push_back({m_submitCounter, m_bufferManager.GetFrameSerial(), fence, pooledFence});
}
void VulkanRenderer::RefreshCompletedSubmits() {
if (m_device == VK_NULL_HANDLE) {
return;
}
// Prefix-only scan: submissions to a single queue complete in order,
// and stopping at the first unsignaled fence stays conservative even
// if they did not.
while (!m_inFlightSubmits.empty()) {
// Copy before OnSubmitsCompletedUpTo erases the front record.
const Uint64 frontIndex = m_inFlightSubmits.front().submitIndex;
if (vkGetFenceStatus(m_device, m_inFlightSubmits.front().fence) != VK_SUCCESS) {
break;
}
OnSubmitsCompletedUpTo(frontIndex);
}
}
void VulkanRenderer::OnSubmitsCompletedUpTo(Uint64 submitIndex) {
m_completedSubmitCounter = std::max(m_completedSubmitCounter, submitIndex);
while (!m_inFlightSubmits.empty() && m_inFlightSubmits.front().submitIndex <= submitIndex) {
SubmitRecord record = m_inFlightSubmits.front();
m_inFlightSubmits.erase(m_inFlightSubmits.begin());
// Frame-serial completion piggybacks on submission completion.
// NotifyFrameSerialComplete refuses the current (still-recording)
// serial, so mid-frame flush records do not mark it early.
m_bufferManager.NotifyFrameSerialComplete(record.frameSerial);
if (!record.pooledFence || m_device == VK_NULL_HANDLE) {
continue; // frame-slot fences are reset/destroyed by FrameContext
}
if (vkResetFences(m_device, 1, &record.fence) == VK_SUCCESS) {
m_freeSubmitFences.push_back(record.fence);
} else {
vkDestroyFence(m_device, record.fence, nullptr);
}
}
// Mid-frame-flushed command buffers whose submission just completed can
// be freed now; present-less flush loops have no other reclaim point.
m_frameContext.FreeRetiredCommandBuffersCompletedUpTo(m_completedSubmitCounter);
}
Bool VulkanRenderer::TryDrainFrameTransients() {
if (m_device == VK_NULL_HANDLE || m_frameContext.GetFrameCount() == 0) {
return false;
}
if (m_completedSubmitCounter != m_submitCounter) {
RefreshCompletedSubmits();
if (m_completedSubmitCounter != m_submitCounter) {
return false;
}
}
if (HasPendingRecordedWork()) {
return false;
}
// Every submission is complete and nothing recorded references the
// per-frame transients, so the drains Present's tail performs are safe
// here too. Raise the buffer manager's completed floor first: the
// serial inference (frameSerial - frameCount) is only justified by
// Present's slot-fence cadence, and the extra BeginFrame below would
// otherwise inflate it past reality.
m_bufferManager.NotifyDeviceIdle();
const Uint32 frameIndex = m_frameContext.GetCurrentFrameIndex();
m_frameContext.FreeAllRetiredCommandBuffers();
for (Uint32 slot = 0; slot < m_deferredDepthMipmapCleanup.size(); ++slot) {
CollectDeferredDepthMipmapCleanup(slot);
}
if (m_textureManager) {
m_textureManager->CollectAllDeferredReleases();
m_textureManager->BeginFrame(frameIndex);
}
m_bufferManager.CollectAllDeferredReleases();
m_bufferManager.BeginFrame(frameIndex);
// The cached conversion slices point into the transient arena the
// BeginFrame above just rewound; drop them together.
m_convertedVertexStreams.clear();
if (m_uniformManager) {
m_uniformManager->BeginFrame(frameIndex);
}
if (m_renderPassManager) {
m_renderPassManager->OnPresent();
}
// Present-less loops cross frame boundaries here, so the content-addressed
// caches age on the same cadence as Present's tail. The pipeline memo can
// survive across these boundaries (no per-frame reset on this path), so it
// must drop whenever the sweep destroys anything.
if (m_programFactory) {
m_programFactory->OnFrameBoundary();
}
if (m_pipelineFactory && m_pipelineFactory->OnFrameBoundary() > 0) {
m_lastPipelineValid = false;
m_lastPipelineResult = VK_NULL_HANDLE;
}
if (m_uniformManager) {
m_uniformManager->OnFrameBoundary();
}
return true;
}
VkFence VulkanRenderer::AcquirePooledSubmitFence() {
if (!m_freeSubmitFences.empty()) {
VkFence fence = m_freeSubmitFences.back();
m_freeSubmitFences.pop_back();
return fence;
}
VkFenceCreateInfo fenceInfo{VK_STRUCTURE_TYPE_FENCE_CREATE_INFO};
VkFence fence = VK_NULL_HANDLE;
const VkResult result = vkCreateFence(m_device, &fenceInfo, nullptr, &fence);
if (result != VK_SUCCESS) {
MGLOG_E("AcquirePooledSubmitFence: vkCreateFence returned %d", result);
return VK_NULL_HANDLE;
}
return fence;
}
void VulkanRenderer::DestroySubmitFencePool() {
// Callers guarantee device idle, so in-flight fences are inert.
for (const auto& record : m_inFlightSubmits) {
if (record.pooledFence && m_device != VK_NULL_HANDLE) {
vkDestroyFence(m_device, record.fence, nullptr);
}
}
m_inFlightSubmits.clear();
for (auto fence : m_freeSubmitFences) {
if (m_device != VK_NULL_HANDLE) {
vkDestroyFence(m_device, fence, nullptr);
}
}
m_freeSubmitFences.clear();
m_completedSubmitCounter = m_submitCounter;
}
Bool VulkanRenderer::SubmitPendingCommandBuffer(FrameContext::FrameData& frame, VkFence fence, Bool pooledFence) {
VkPipelineStageFlags waitDstStageMask = VK_PIPELINE_STAGE_ALL_COMMANDS_BIT;
VkSemaphore waitSemaphore = frame.imageAvailableSemaphore;
VkSubmitInfo submitInfo{VK_STRUCTURE_TYPE_SUBMIT_INFO};
if (!frame.imageAvailableSemaphoreConsumed) {
submitInfo.waitSemaphoreCount = 1;
submitInfo.pWaitSemaphores = &waitSemaphore;
submitInfo.pWaitDstStageMask = &waitDstStageMask;
}
submitInfo.commandBufferCount = 1;
submitInfo.pCommandBuffers = &frame.commandBuffer;
const VkResult result = vkQueueSubmit(m_graphicsQueue, 1, &submitInfo, fence);
if (result != VK_SUCCESS) {
MGLOG_E("SubmitPendingCommandBuffer: vkQueueSubmit returned %d", result);
return false;
}
frame.imageAvailableSemaphoreConsumed = true;
frame.hasCommandBufferRecorded = false;
RegisterSubmit(fence, pooledFence);
frame.lastSubmitIndex = m_submitCounter;
return true;
}
Bool VulkanRenderer::FlushPendingCommands() {
if (m_device == VK_NULL_HANDLE || m_graphicsQueue == VK_NULL_HANDLE || m_frameContext.GetFrameCount() == 0) {
return false;
}
// Non-blocking completion poll: gives flush-only workloads (no sync
// objects, no present) a point where finished submissions retire their
// pooled fences and mid-frame command buffers.
RefreshCompletedSubmits();
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording && !frame.hasCommandBufferRecorded) {
return false;
}
// Acquire the fence while recording is still open: failing here must
// not end recording, or the next draw's BeginCommandRecording would
// reset the command buffer and silently drop the frame's commands.
VkFence fence = AcquirePooledSubmitFence();
if (fence == VK_NULL_HANDLE) {
return false;
}
if (frame.isCommandRecording) {
if (VkRenderPassManager::GetActiveRenderPass() != nullptr) {
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
}
m_frameContext.EndCommandRecording();
}
if (!SubmitPendingCommandBuffer(frame, fence, /*pooledFence=*/true)) {
// Submit failure (device loss regime): the ended command buffer
// stays marked recorded so Present can still try to submit it.
m_freeSubmitFences.push_back(fence); // still unsignaled, reusable
return false;
}
// The submitted command buffer may still be executing; recording must
// restart on a fresh one. If none can be allocated, fall back to
// draining this submission so reusing the buffer stays legal.
const VkResult retireResult = m_frameContext.RetireCurrentCommandBuffer();
if (retireResult != VK_SUCCESS) {
MGLOG_E("FlushPendingCommands: RetireCurrentCommandBuffer returned %d; draining submission", retireResult);
if (vkWaitForFences(m_device, 1, &fence, VK_TRUE, UINT64_MAX) == VK_SUCCESS) {
OnSubmitsCompletedUpTo(m_submitCounter);
} else if (vkQueueWaitIdle(m_graphicsQueue) == VK_SUCCESS) {
m_bufferManager.NotifyDeviceIdle();
OnSubmitsCompletedUpTo(m_submitCounter);
} else {
// Device is effectively lost; the command buffer may still be
// pending, but no recovery can make reuse legal.
MGLOG_E("FlushPendingCommands: drain failed; command buffer reuse is unsafe");
}
}
return true;
}
Bool VulkanRenderer::FlushForSyncPoint(Uint64 submitIndex) {
// A flush only helps a sync point whose commands are not submitted
// yet; for an already-submitted index it would just split the frame's
// render pass (a full tile load/store on TBDR GPUs) without advancing
// the fence.
if (submitIndex <= m_submitCounter) {
return false;
}
return FlushPendingCommands();
}
Bool VulkanRenderer::WaitForSubmitIndex(Uint64 submitIndex, Uint64 timeoutNs, Bool flushIfPending) {
if (IsSubmitIndexComplete(submitIndex)) {
return true;
}
if (submitIndex > m_submitCounter) {
if (!flushIfPending) {
return false;
}
FlushPendingCommands();
if (submitIndex > m_submitCounter) {
// Nothing could be submitted (empty batch or submit failure);
// the index cannot complete yet.
return false;
}
}
for (const auto& record : m_inFlightSubmits) {
if (record.submitIndex >= submitIndex) {
const VkResult result = vkWaitForFences(m_device, 1, &record.fence, VK_TRUE, timeoutNs);
if (result == VK_SUCCESS) {
OnSubmitsCompletedUpTo(record.submitIndex);
// The wait already stalled the pipeline; if it happens to
// have drained everything (present-less fence loops), take
// the free frame-boundary drain. No-op otherwise.
TryDrainFrameTransients();
return true;
}
if (result != VK_TIMEOUT) {
MGLOG_E("WaitForSubmitIndex: vkWaitForFences returned %d", result);
}
return false;
}
}
// No in-flight record at or beyond the index: it was already observed
// complete via a fence wait on a later submission.
return true;
}
void VulkanRenderer::OnFrameCommandRecordingBegan(VkCommandBuffer commandBuffer) {
if (m_timerQueryManager) {
m_timerQueryManager->OnFrameCommandRecordingBegan(commandBuffer, m_frameContext.GetCurrentFrameIndex(),
m_bufferManager.GetFrameSerial());
}
}
Bool VulkanRenderer::IsTimerQuerySupported() const {
return m_timerQuerySupported && m_timerQueryManager != nullptr;
}
SharedPtr<VkTimerQueryManager::TimestampRecord> VulkanRenderer::WriteTimerQueryTimestamp() {
if (!IsTimerQuerySupported() || m_device == VK_NULL_HANDLE || m_frameContext.GetFrameCount() == 0) {
return nullptr;
}
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
}
// vkCmdWriteTimestamp is valid both inside and outside a render pass,
// so any active render pass is left untouched.
return m_timerQueryManager->WriteTimestamp(frame.commandBuffer, m_frameContext.GetCurrentFrameIndex(),
m_bufferManager.GetFrameSerial());
}
Bool VulkanRenderer::IsTimerQueryResultReady(VkTimerQueryManager::TimestampRecord& record) {
if (record.harvested) {
return true;
}
if (!m_timerQueryManager || !IsFrameSerialComplete(record.frameSerial)) {
return false;
}
return m_timerQueryManager->TryHarvest(record);
}
Bool VulkanRenderer::WaitForTimerQueryResult(VkTimerQueryManager::TimestampRecord& record) {
if (IsTimerQueryResultReady(record)) {
return true;
}
// WaitForFrameSerial refuses serials that cannot complete without
// further submissions (a timestamp written this frame only executes
// once Present submits the command buffer), so this returns false
// instead of deadlocking; the record resolves after a later Present.
if (!WaitForFrameSerial(record.frameSerial, UINT64_MAX)) {
return false;
}
return IsTimerQueryResultReady(record);
}
Uint64 VulkanRenderer::GetTimerQueryElapsedNs(const VkTimerQueryManager::TimestampRecord& begin,
const VkTimerQueryManager::TimestampRecord& end) const {
return m_timerQueryManager ? m_timerQueryManager->ElapsedNs(begin, end) : 0;
}
Uint64 VulkanRenderer::GetTimerQueryTimestampNs(const VkTimerQueryManager::TimestampRecord& record) const {
return m_timerQueryManager ? m_timerQueryManager->TimestampNs(record) : 0;
}
void VulkanRenderer::Present() {
if (m_swapchainObject.GetHandle() == VK_NULL_HANDLE || m_presentSuspended) {
// No usable swapchain: the window was zero-area at initialization, or
// presentation was suspended when the window minimized. Try to bring a
// swapchain up now that the window may have a real size; until then, drop
// this frame's recording instead of submitting - a submit would wait on a
// never-signaled acquire semaphore and reuse a still-signaled fence.
if (!RecreateSwapchain()) {
auto& suspendedFrame = m_frameContext.GetCurrent();
if (VkRenderPassManager::GetActiveRenderPass()) {
VkRenderPassManager::EndRenderPass(suspendedFrame.commandBuffer);
}
if (suspendedFrame.isCommandRecording) {
m_frameContext.EndCommandRecording();
}
suspendedFrame.isCommandRecording = false;
suspendedFrame.hasCommandBufferRecorded = false;
m_lastPipelineValid = false;
// The dropped recording is never submitted, so once the fence
// poll shows the pre-suspension submissions complete the frame
// transients (descriptor sets, transient arenas, deferred
// releases, conversion caches) can rewind; without this a
// minimized-window app accumulates them for the whole
// suspension.
TryDrainFrameTransients();
MGLOG_D("Present skipped: no usable swapchain (zero-area window)");
return;
}
m_presentSuspended = false;
const VkResult acquireResult =
m_frameContext.WaitAndAcquireNextImage(m_device, m_swapchainObject.GetHandle(), m_imageIndexAcquired);
if (acquireResult != VK_SUBOPTIMAL_KHR) {
VK_VERIFY(acquireResult, "Present, deferred first WaitAndAcquireNextImage");
}
}
MOBILEGL_ASSERT(m_imageIndexAcquired < m_swapchainObject.GetImageCount(),
"Present, acquired image index out of range");
m_renderPassManager->OnPresent();
// Age the content-addressed caches on the same frame-boundary cadence. Each
// keeps its own internal 256-sweep gate, so the per-frame cost is one counter
// increment and compare per cache; entries used by this frame's still-
// unsubmitted recording were stamped this boundary and can never age out.
m_programFactory->OnFrameBoundary();
if (m_pipelineFactory->OnFrameBoundary() > 0) {
m_lastPipelineValid = false; // an aged-out pipeline may still be memoized
m_lastPipelineResult = VK_NULL_HANDLE;
}
m_uniformManager->OnFrameBoundary();
auto& frame = m_frameContext.GetCurrent();
auto* activeRenderPass = VkRenderPassManager::GetActiveRenderPass();
if (activeRenderPass)
VkRenderPassManager::EndRenderPass(frame.commandBuffer);
if (frame.isCommandRecording) {
m_frameContext.EndCommandRecording();
frame.hasCommandBufferRecorded = true;
m_lastPipelineValid = false; // command-buffer boundary: drop the pipeline memo
}
const auto acquiredImageLayout = m_swapchainObject.GetImageLayout(m_imageIndexAcquired);
const Bool needsLayoutTransitionForPresent =
m_frameContext.TransitionToPresent(m_swapchainObject.GetImage(m_imageIndexAcquired), acquiredImageLayout);
const Bool shouldSubmitCommandBuffer = frame.hasCommandBufferRecorded || needsLayoutTransitionForPresent;
// 1) Submit current frame work.
auto submitPacket = m_frameContext.GetSubmitInfo(shouldSubmitCommandBuffer, m_imageIndexAcquired);
VK_VERIFY(vkQueueSubmit(m_graphicsQueue, 1, &submitPacket.submitInfo, frame.imageInFlightFence));
RegisterSubmit(frame.imageInFlightFence, /*pooledFence=*/false);
frame.lastSubmitIndex = m_submitCounter;
frame.isCommandRecording = false;
frame.hasCommandBufferRecorded = false;
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
// 2) Present current frame.
auto presentPacket = m_frameContext.GetPresentInfo(m_swapchainObject.GetHandle(), m_imageIndexAcquired);
auto result = vkQueuePresentKHR(m_presentQueue, &presentPacket.presentInfo);
if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR) {
MGLOG_D("Present, vkQueuePresentKHR got %d, recreating swapchain", result);
if (!RecreateSwapchain()) {
// Window went zero-area (minimize) with the swapchain out of date:
// stop submitting/acquiring until it has a size again.
m_presentSuspended = true;
m_swapchainResizeRequested = false;
MGLOG_D("Present, zero-area window with out-of-date swapchain; suspending presentation");
return;
}
m_swapchainResizeRequested = false;
result = VK_SUCCESS;
}
VK_VERIFY(result, "Present, vkQueuePresentKHR");
if (m_swapchainResizeRequested) {
MGLOG_D("Present, processing requested swapchain resize");
if (!RecreateSwapchain()) {
m_presentSuspended = true;
m_swapchainResizeRequested = false;
MGLOG_D("Present, zero-area window on requested resize; suspending presentation");
return;
}
m_swapchainResizeRequested = false;
}
// 3) Advance frame slot.
m_frameContext.AdvanceToNext();
// 4) Wait/reset/acquire for next frame.
result = m_frameContext.WaitAndAcquireNextImage(m_device, m_swapchainObject.GetHandle(), m_imageIndexAcquired);
if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR) {
MGLOG_D("Present, vkAcquireNextImageKHR got %d, recreating swapchain", result);
if (!RecreateSwapchain()) {
m_presentSuspended = true;
m_swapchainResizeRequested = false;
MGLOG_D("Present, zero-area window on next-frame acquire; suspending presentation");
return;
}
m_swapchainResizeRequested = false;
result =
m_frameContext.WaitAndAcquireNextImage(m_device, m_swapchainObject.GetHandle(), m_imageIndexAcquired);
}
VK_VERIFY(result, "Present, vkAcquireNextImageKHR");
// The acquired slot's fence has been waited: its last submission
// (and, in queue order, everything before it) is complete. The frame
// serials those submissions carried advance the buffer-manager floor
// inside OnSubmitsCompletedUpTo.
OnSubmitsCompletedUpTo(m_frameContext.GetCurrent().lastSubmitIndex);
CollectDeferredDepthMipmapCleanup(m_frameContext.GetCurrentFrameIndex());
m_textureManager->BeginFrame(m_frameContext.GetCurrentFrameIndex());
m_bufferManager.BeginFrame(m_frameContext.GetCurrentFrameIndex());
m_convertedVertexStreams.clear();
// Descriptor-set reuse cursors rewind exactly once per frame, here,
// after the slot's fence wait proved its previous sets GPU-idle. (The
// per-draw-path lazy rewind missed frames whose recording was opened
// by a staged buffer copy or timer-query timestamp, leaking a fresh
// descriptor set per draw for the whole frame; it would also be unsafe
// after a mid-frame FlushPendingCommands, which does not wait.)
m_uniformManager->BeginFrame(m_frameContext.GetCurrentFrameIndex());
}
void VulkanRenderer::CreateInstance() {
m_extensions = EnumerateInstanceExtensions();
MGLOG_I("Got %d Vulkan instance extensions: ", m_extensions.size());
for (auto& extension : m_extensions) {
MGLOG_I(" %s (r.%u)", extension.extensionName, extension.specVersion);
}
Bool validationLayerAvailable = CheckValidationLayerSupport();
MGLOG_I("Validation layers %s.", validationLayerAvailable ? "available" : "not available");
MGLOG_I("Validation layers %s.", m_config.EnableValidationLayers ? "requested" : "not requested");
if (m_config.EnableValidationLayers && !validationLayerAvailable) {
MGLOG_I("Validation layers not available! Disabling validation layers.");
}
m_validationLayersEnabled = m_config.EnableValidationLayers && validationLayerAvailable;
// ---------------- App info -------------------
VkApplicationInfo appInfo = {};
appInfo.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
appInfo.pApplicationName = m_config.AppName.c_str();
appInfo.applicationVersion = VK_MAKE_VERSION(m_config.CacheVersion, 0, 0);
appInfo.pEngineName = "MobileGL";
appInfo.engineVersion = VK_MAKE_VERSION(m_config.Version.Major, m_config.Version.Minor, m_config.Version.Patch);
#ifdef VK_USE_PLATFORM_WIN32_KHR
appInfo.apiVersion = VK_API_VERSION_1_3;
#else
appInfo.apiVersion = VK_API_VERSION_1_1;
#endif
// ---------------- Instance info -------------------
VkInstanceCreateInfo instanceInfo = {};
instanceInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
instanceInfo.pApplicationInfo = &appInfo;
// Extensions
Vector<const char*> exts = {VK_KHR_SURFACE_EXTENSION_NAME};
if (!m_window) {
#ifdef VK_USE_PLATFORM_METAL_EXT
exts.push_back(VK_EXT_METAL_SURFACE_EXTENSION_NAME);
#else
exts.push_back(VK_EXT_HEADLESS_SURFACE_EXTENSION_NAME);
#endif
} else {
#ifdef VK_USE_PLATFORM_ANDROID_KHR
exts.push_back(VK_KHR_ANDROID_SURFACE_EXTENSION_NAME);
#elif defined VK_USE_PLATFORM_WIN32_KHR
exts.push_back(VK_KHR_WIN32_SURFACE_EXTENSION_NAME);
#elif defined VK_USE_PLATFORM_METAL_EXT
exts.push_back(VK_EXT_METAL_SURFACE_EXTENSION_NAME);
#elif defined VK_USE_PLATFORM_XLIB_KHR
exts.push_back(VK_KHR_XLIB_SURFACE_EXTENSION_NAME);
#else
#warning "VulkanContext::CreateInstance: VK_KHR_*_surface extension not defined on this platform"
#endif
} // TODO: support more platforms
#if defined(VK_USE_PLATFORM_METAL_EXT)
if (IsExtensionSupported(m_extensions, VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME)) {
exts.push_back(VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME);
instanceInfo.flags |= VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR;
} else {
MGLOG_I("Optional Vulkan instance extension not supported: %s",
VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME);
}
#endif
if (m_validationLayersEnabled) {
exts.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
}
MGLOG_I("Enabling %d Vulkan instance extensions:", exts.size());
for (const char* ext : exts) {
MGLOG_I(" %s", ext);
}
for (const char* ext : exts) {
if (!IsExtensionSupported(m_extensions, ext)) {
MGLOG_E("Required Vulkan instance extension not found: %s", ext);
}
MOBILEGL_ASSERT(IsExtensionSupported(m_extensions, ext), "Required Vulkan instance extension not found: %s",
ext);
}
instanceInfo.enabledExtensionCount = exts.size();
instanceInfo.ppEnabledExtensionNames = exts.data();
auto debugMessengerCreateInfo = PopulateDebugMessengerCreateInfo();
// Layers
if (m_validationLayersEnabled) {
MGLOG_I("Enabling validation layer...");
instanceInfo.enabledLayerCount = static_cast<uint32_t>(std::size(s_validationLayerNames));
instanceInfo.ppEnabledLayerNames = s_validationLayerNames;
instanceInfo.pNext = &debugMessengerCreateInfo;
} else {
instanceInfo.enabledLayerCount = 0;
instanceInfo.pNext = nullptr;
}
VK_VERIFY(vkCreateInstance(&instanceInfo, nullptr, &m_instance), "vkCreateInstance failed");
if (m_validationLayersEnabled) VK_VERIFY(SetupDebugMessenger());
}
VkResult VulkanRenderer::SetupDebugMessenger() {
auto createInfo = PopulateDebugMessengerCreateInfo();
auto vkCreateDebugUtilsMessengerEXT =
(PFN_vkCreateDebugUtilsMessengerEXT)vkGetInstanceProcAddr(m_instance, "vkCreateDebugUtilsMessengerEXT");
if (!vkCreateDebugUtilsMessengerEXT) return VK_ERROR_EXTENSION_NOT_PRESENT;
VK_VERIFY(vkCreateDebugUtilsMessengerEXT(m_instance, &createInfo, nullptr, &m_debugMessenger));
return VK_SUCCESS;
}
VkResult VulkanRenderer::DestroyDebugMessenger() {
if (m_debugMessenger != VK_NULL_HANDLE) {
auto func = (PFN_vkDestroyDebugUtilsMessengerEXT)vkGetInstanceProcAddr(m_instance,
"vkDestroyDebugUtilsMessengerEXT");
if (func != nullptr) {
func(m_instance, m_debugMessenger, nullptr);
} else {
return VK_ERROR_EXTENSION_NOT_PRESENT;
}
}
return VK_SUCCESS;
}
VkDebugUtilsMessengerCreateInfoEXT VulkanRenderer::PopulateDebugMessengerCreateInfo() {
VkDebugUtilsMessengerCreateInfoEXT createInfo{};
createInfo.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT;
createInfo.messageSeverity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT;
createInfo.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT;
createInfo.pfnUserCallback = DebugCallback;
createInfo.pUserData = this;
return createInfo;
}
void VulkanRenderer::PickPhysicalDevice() {
Uint32 deviceCount = 0;
vkEnumeratePhysicalDevices(m_instance, &deviceCount, nullptr);
if (deviceCount == 0) {
MGLOG_E("No physical devices supporting Vulkan found.");
} else {
MGLOG_I("Found %d physical device(s).", deviceCount);
}
MOBILEGL_ASSERT(deviceCount > 0, "No physical devices found.");
Vector<VkPhysicalDevice> devices(deviceCount);
vkEnumeratePhysicalDevices(m_instance, &deviceCount, devices.data());
for (Int i = 0; i < deviceCount; i++) {
if (GetMoreCapablePhysicalDevice(devices[i], m_surface, m_physicalDevice, m_physicalDevice))
MGLOG_I("Picked physical device %d.", i);
}
if (m_physicalDevice.handle == VK_NULL_HANDLE) {
m_physicalDevice.handle = devices[0];
vkGetPhysicalDeviceProperties(devices[0], &m_physicalDevice.properties);
MGLOG_I("No suitable physical device picked yet, defaulting to device 0.");
MGLOG_W("No graphics queue found on physical device. Picking a device that doesn't do graphics?");
}
}
Bool VulkanRenderer::GetMoreCapablePhysicalDevice(VkPhysicalDevice newVkDevice, VkSurfaceKHR surface,
const PhysicalDevice& otherDevice,
PhysicalDevice& outBetterDevice) {
const auto deviceTypeToStr = [](VkPhysicalDeviceType type) {
switch (type) {
case VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU:
return "INTEGRATED_GPU";
case VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU:
return "DISCRETE_GPU";
case VK_PHYSICAL_DEVICE_TYPE_CPU:
return "CPU";
case VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU:
return "VIRTUAL_GPU";
case VK_PHYSICAL_DEVICE_TYPE_OTHER:
return "OTHER";
default:
return "UNKNOWN";
}
};
PhysicalDevice newDevice;
newDevice.handle = newVkDevice;
vkGetPhysicalDeviceProperties(newVkDevice, &newDevice.properties);
const auto& deviceProperties = newDevice.properties;
auto apiVersion = deviceProperties.apiVersion;
MGLOG_I(" %s (Vulkan %d.%d.%d, %s)", deviceProperties.deviceName, VK_VERSION_MAJOR(apiVersion),
VK_VERSION_MINOR(apiVersion), VK_VERSION_PATCH(apiVersion),
deviceTypeToStr(deviceProperties.deviceType));
// Check device extensions (including swapchain extension)
Bool deviceExtSupported = IsNecessaryDeviceExtensionSupported(newVkDevice);
if (!deviceExtSupported) {
outBetterDevice = otherDevice;
MGLOG_I(" Ignored physical device. (Reason: Some of the required device extension not supported on this "
"device)");
return false;
}
// Check swapchain capabilities
auto swapchainCapabilities = SwapchainObject::GetSwapchainCapabilities(newVkDevice, surface);
if (!swapchainCapabilities.IsComplete()) {
outBetterDevice = otherDevice;
MGLOG_I(" Ignored physical device. (Reason: Swapchain capabilities not met)");
return false;
}
// Check queue families
Vector<VkQueueFamilyProperties> queueFamilies = GetQueueFamilyFromPhysicalDevice(newVkDevice);
newDevice.queueFamilies.graphicsFamily = GetQueueFamilyIndex(queueFamilies, VK_QUEUE_GRAPHICS_BIT);
if (newDevice.queueFamilies.graphicsFamily == -1) {
outBetterDevice = otherDevice;
MGLOG_I(" Ignored physical device. (Reason: No graphics queue family)");
return false;
}
newDevice.queueFamilies.presentFamily =
GetPresentQueueFamilyIndex(newDevice, surface, queueFamilies, newDevice.queueFamilies.graphicsFamily);
if (newDevice.queueFamilies.presentFamily == -1) {
outBetterDevice = otherDevice;
MGLOG_I(" Ignored physical device. (Reason: No present queue family)");
return false;
}
// Accept software/virtual/other devices when no discrete or integrated GPU
// has been selected yet. This is important for Linux headless CI using lavapipe.
if (!otherDevice.IsComplete()) {
outBetterDevice = newDevice;
MGLOG_I(" Picked physical device. (Reason: First suitable device)");
return true;
}
// Pick discrete GPU
if (newDevice.properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU &&
otherDevice.properties.deviceType != VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) {
outBetterDevice = newDevice;
MGLOG_I(" Picked physical device. (Reason: Discrete GPU)");
return true;
}
// Pick integrated GPU if no discrete GPU
if (newDevice.properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU &&
otherDevice.properties.deviceType != VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) {
outBetterDevice = newDevice;
MGLOG_I(" Picked physical device. (Reason: Integrated GPU and no discrete one found yet)");
return true;
}
// Ignore other GPU when discrete GPU found
if (newDevice.properties.deviceType != VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU &&
otherDevice.properties.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU) {
outBetterDevice = otherDevice;
MGLOG_I(" Ignored physical device. (Reason: Already picked discrete GPU)");
return false;
}
return false;
}
Bool VulkanRenderer::IsNecessaryDeviceExtensionSupported(VkPhysicalDevice device) {
const Vector<VkExtensionProperties> availableExtensions = EnumerateDeviceExtensions(device);
MGLOG_I("Got %u Vulkan device extensions: ", static_cast<Uint32>(availableExtensions.size()));
for (auto& extension : availableExtensions) {
MGLOG_I(" %s (r.%u)", extension.extensionName, extension.specVersion);
}
for (SizeT i = 0; i < std::size(s_deviceExtensionNames); ++i) {
if (!IsExtensionSupported(availableExtensions, s_deviceExtensionNames[i])) {
MGLOG_I("Required extension not found: %s", s_deviceExtensionNames[i]);
return false;
}
MGLOG_I("Required extension found: %s", s_deviceExtensionNames[i]);
}
return true;
}
void VulkanRenderer::CreateLogicalDeviceAndQueues() {
Float queuePriority = 1.0f;
Vector<VkDeviceQueueCreateInfo> queueCreateInfos;
MOBILEGL_ASSERT(m_physicalDevice.queueFamilies.graphicsFamily != -1, "Graphics queue family not found.");
VkDeviceQueueCreateInfo& gfxQueueCreateInfo = queueCreateInfos.emplace_back();
gfxQueueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
gfxQueueCreateInfo.queueFamilyIndex = m_physicalDevice.queueFamilies.graphicsFamily;
gfxQueueCreateInfo.queueCount = 1;
gfxQueueCreateInfo.pQueuePriorities = &queuePriority;
if (m_physicalDevice.queueFamilies.graphicsFamily != m_physicalDevice.queueFamilies.presentFamily) {
MOBILEGL_ASSERT(m_physicalDevice.queueFamilies.presentFamily != -1, "Present queue family not found.");
VkDeviceQueueCreateInfo& presentQueueCreateInfo = queueCreateInfos.emplace_back();
presentQueueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
presentQueueCreateInfo.queueFamilyIndex = m_physicalDevice.queueFamilies.presentFamily;
presentQueueCreateInfo.queueCount = 1;
presentQueueCreateInfo.pQueuePriorities = &queuePriority;
}
VkPhysicalDeviceFeatures supportedDeviceFeatures{};
vkGetPhysicalDeviceFeatures(m_physicalDevice.handle, &supportedDeviceFeatures);
VkPhysicalDeviceFeatures deviceFeatures{};
// Match GL's robust buffer-fetch behavior where the Vulkan device supports it. This covers
// out-of-range fetches; arbitrary GL vertex strides/offsets still need the explicit tight
// repack in VertexInputStateFactory when they violate Vulkan's address-alignment rules.
// MOBILEGL_DISABLE_ROBUST_BUFFER_ACCESS leaves it off to measure or dodge its GPU cost.
deviceFeatures.robustBufferAccess = MG_Config::Features.DisableRobustBufferAccess
? VK_FALSE
: supportedDeviceFeatures.robustBufferAccess;
deviceFeatures.geometryShader = supportedDeviceFeatures.geometryShader;
deviceFeatures.independentBlend = supportedDeviceFeatures.independentBlend;
m_independentBlendFeatureEnabled = deviceFeatures.independentBlend == VK_TRUE;
deviceFeatures.fillModeNonSolid = supportedDeviceFeatures.fillModeNonSolid;
m_fillModeNonSolidFeatureEnabled = deviceFeatures.fillModeNonSolid == VK_TRUE;
deviceFeatures.dualSrcBlend = supportedDeviceFeatures.dualSrcBlend;
m_dualSrcBlendFeatureEnabled = deviceFeatures.dualSrcBlend == VK_TRUE;
deviceFeatures.logicOp = supportedDeviceFeatures.logicOp;
deviceFeatures.shaderClipDistance = supportedDeviceFeatures.shaderClipDistance;
deviceFeatures.shaderCullDistance = supportedDeviceFeatures.shaderCullDistance;
deviceFeatures.wideLines = supportedDeviceFeatures.wideLines;
m_logicOpFeatureEnabled = deviceFeatures.logicOp == VK_TRUE;
deviceFeatures.shaderInt64 = supportedDeviceFeatures.shaderInt64;
// Required for desktop GL image load/store semantics. iterationRP writes storage
// images from vertex and fragment stages and uses formats outside Vulkan's small
// mandatory storage-image set.
deviceFeatures.vertexPipelineStoresAndAtomics =
supportedDeviceFeatures.vertexPipelineStoresAndAtomics;
deviceFeatures.fragmentStoresAndAtomics = supportedDeviceFeatures.fragmentStoresAndAtomics;
deviceFeatures.shaderStorageImageExtendedFormats =
supportedDeviceFeatures.shaderStorageImageExtendedFormats;
// The formatless float-storage compatibility path must be all-or-nothing: transformed
// modules declare both capabilities and image bindings may be read, written, or both.
m_unformattedFloatStorageImagesEnabled =
supportedDeviceFeatures.shaderStorageImageReadWithoutFormat == VK_TRUE &&
supportedDeviceFeatures.shaderStorageImageWriteWithoutFormat == VK_TRUE;
if (m_unformattedFloatStorageImagesEnabled) {
deviceFeatures.shaderStorageImageReadWithoutFormat = VK_TRUE;
deviceFeatures.shaderStorageImageWriteWithoutFormat = VK_TRUE;
} else {
// Surface the degradation instead of failing silently: shader packs that bind a
// float storage image with a format different from its declaration (e.g.
// iterationRP) will render incorrectly on this device.
MGLOG_W("CreateLogicalDeviceAndQueues: shaderStorageImage*WithoutFormat unavailable "
"(read=%d write=%d); float storage-image format reinterpretation is disabled "
"and packs relying on it may misrender",
supportedDeviceFeatures.shaderStorageImageReadWithoutFormat,
supportedDeviceFeatures.shaderStorageImageWriteWithoutFormat);
}
deviceFeatures.drawIndirectFirstInstance = supportedDeviceFeatures.drawIndirectFirstInstance;
deviceFeatures.multiDrawIndirect = supportedDeviceFeatures.multiDrawIndirect;
m_multiDrawIndirectFeatureEnabled = deviceFeatures.multiDrawIndirect == VK_TRUE;
m_logicOpFeatureEnabled = deviceFeatures.logicOp == VK_TRUE;
// Backs GL_TEXTURE_MAX_ANISOTROPY_EXT; optional in Vulkan, so the sampler manager falls back
// to isotropic filtering (and the extension goes unadvertised) when the device lacks it.
deviceFeatures.samplerAnisotropy = supportedDeviceFeatures.samplerAnisotropy;
m_samplerAnisotropyFeatureEnabled = deviceFeatures.samplerAnisotropy == VK_TRUE;
VkDeviceCreateInfo deviceCreateInfo{};
deviceCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
deviceCreateInfo.pQueueCreateInfos = queueCreateInfos.data();
deviceCreateInfo.queueCreateInfoCount = queueCreateInfos.size();
deviceCreateInfo.pEnabledFeatures = &deviceFeatures;
if (m_validationLayersEnabled) {
deviceCreateInfo.enabledLayerCount = static_cast<uint32_t>(std::size(s_validationLayerNames));
deviceCreateInfo.ppEnabledLayerNames = s_validationLayerNames;
} else {
deviceCreateInfo.enabledLayerCount = 0;
}
Vector<const char*> enabledDeviceExtensions;
enabledDeviceExtensions.reserve(std::size(s_deviceExtensionNames) + 2);
for (const char* extensionName : s_deviceExtensionNames) {
enabledDeviceExtensions.push_back(extensionName);
}
const Vector<VkExtensionProperties> availableExtensions = EnumerateDeviceExtensions(m_physicalDevice.handle);
ResolveOptionalDeviceExtensions(availableExtensions, enabledDeviceExtensions);
MGLOG_I("VK_KHR_draw_indirect_count enabled: %s", m_drawIndirectCountExtensionEnabled ? "true" : "false");
m_indexTypeUint8ExtensionEnabled = false;
const char* indexTypeUint8ExtensionName = nullptr;
if (IsExtensionSupported(availableExtensions, VK_KHR_INDEX_TYPE_UINT8_EXTENSION_NAME)) {
indexTypeUint8ExtensionName = VK_KHR_INDEX_TYPE_UINT8_EXTENSION_NAME;
} else if (IsExtensionSupported(availableExtensions, VK_EXT_INDEX_TYPE_UINT8_EXTENSION_NAME)) {
indexTypeUint8ExtensionName = VK_EXT_INDEX_TYPE_UINT8_EXTENSION_NAME;
}
auto getPhysicalDeviceFeatures2 = reinterpret_cast<PFN_vkGetPhysicalDeviceFeatures2>(
vkGetInstanceProcAddr(m_instance, "vkGetPhysicalDeviceFeatures2"));
if (getPhysicalDeviceFeatures2 == nullptr) {
getPhysicalDeviceFeatures2 = reinterpret_cast<PFN_vkGetPhysicalDeviceFeatures2>(
vkGetInstanceProcAddr(m_instance, "vkGetPhysicalDeviceFeatures2KHR"));
}
VkPhysicalDeviceIndexTypeUint8Features indexTypeUint8Features{};
indexTypeUint8Features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_INDEX_TYPE_UINT8_FEATURES;
if (indexTypeUint8ExtensionName != nullptr) {
VkPhysicalDeviceFeatures2 featureQuery{};
featureQuery.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;
featureQuery.pNext = &indexTypeUint8Features;
MOBILEGL_ASSERT(getPhysicalDeviceFeatures2 != nullptr,
"CreateLogicalDeviceAndQueues: vkGetPhysicalDeviceFeatures2 is unavailable");
getPhysicalDeviceFeatures2(m_physicalDevice.handle, &featureQuery);
if (indexTypeUint8Features.indexTypeUint8 == VK_TRUE) {
if (!IsExtensionAlreadyEnabled(enabledDeviceExtensions, indexTypeUint8ExtensionName)) {
enabledDeviceExtensions.push_back(indexTypeUint8ExtensionName);
}
m_indexTypeUint8ExtensionEnabled = true;
indexTypeUint8Features.pNext = const_cast<void*>(deviceCreateInfo.pNext);
deviceCreateInfo.pNext = &indexTypeUint8Features;
MGLOG_I("Enabled optional device extension: %s", indexTypeUint8ExtensionName);
} else {
MGLOG_W("%s is advertised, but indexTypeUint8 feature is unavailable; uint8 index buffers will stay disabled",
indexTypeUint8ExtensionName);
}
} else {
MGLOG_W("VK_KHR_index_type_uint8 / VK_EXT_index_type_uint8 not supported; uint8 index buffers will stay disabled");
}
m_shaderDrawParametersFeatureEnabled = false;
VkPhysicalDeviceShaderDrawParametersFeatures shaderDrawParametersFeatures{};
shaderDrawParametersFeatures.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_DRAW_PARAMETERS_FEATURES;
if (m_physicalDevice.properties.apiVersion >= VK_API_VERSION_1_1 && getPhysicalDeviceFeatures2 != nullptr) {
VkPhysicalDeviceFeatures2 featureQuery{};
featureQuery.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;
featureQuery.pNext = &shaderDrawParametersFeatures;
getPhysicalDeviceFeatures2(m_physicalDevice.handle, &featureQuery);
if (shaderDrawParametersFeatures.shaderDrawParameters == VK_TRUE) {
shaderDrawParametersFeatures.pNext = const_cast<void*>(deviceCreateInfo.pNext);
deviceCreateInfo.pNext = &shaderDrawParametersFeatures;
m_shaderDrawParametersFeatureEnabled = true;
}
} else if (m_shaderDrawParametersExtensionEnabled) {
// Vulkan 1.0 device: enabling VK_KHR_shader_draw_parameters alone exposes the SPIR-V
// DrawParameters capability; the shaderDrawParameters feature struct only exists from 1.1.
m_shaderDrawParametersFeatureEnabled = true;
}
if (!m_shaderDrawParametersFeatureEnabled) {
MGLOG_W("shaderDrawParameters is unavailable; shaders using gl_DrawID/gl_BaseInstance will not work");
}
// primitiveTopologyListRestart lets primitive restart work on *list* topologies (strip/fan
// restart needs no feature). Optional; enabled via VK_EXT_primitive_topology_list_restart.
m_primitiveTopologyListRestartFeatureEnabled = false;
VkPhysicalDevicePrimitiveTopologyListRestartFeaturesEXT listRestartFeatures{};
listRestartFeatures.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PRIMITIVE_TOPOLOGY_LIST_RESTART_FEATURES_EXT;
if (IsExtensionSupported(availableExtensions, VK_EXT_PRIMITIVE_TOPOLOGY_LIST_RESTART_EXTENSION_NAME) &&
getPhysicalDeviceFeatures2 != nullptr) {
VkPhysicalDeviceFeatures2 featureQuery{};
featureQuery.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;
featureQuery.pNext = &listRestartFeatures;
getPhysicalDeviceFeatures2(m_physicalDevice.handle, &featureQuery);
if (listRestartFeatures.primitiveTopologyListRestart == VK_TRUE) {
if (!IsExtensionAlreadyEnabled(enabledDeviceExtensions,
VK_EXT_PRIMITIVE_TOPOLOGY_LIST_RESTART_EXTENSION_NAME)) {
enabledDeviceExtensions.push_back(VK_EXT_PRIMITIVE_TOPOLOGY_LIST_RESTART_EXTENSION_NAME);
}
listRestartFeatures.pNext = const_cast<void*>(deviceCreateInfo.pNext);
deviceCreateInfo.pNext = &listRestartFeatures;
m_primitiveTopologyListRestartFeatureEnabled = true;
MGLOG_I("Enabled optional device extension: %s",
VK_EXT_PRIMITIVE_TOPOLOGY_LIST_RESTART_EXTENSION_NAME);
}
}
deviceCreateInfo.enabledExtensionCount = static_cast<Uint32>(enabledDeviceExtensions.size());
deviceCreateInfo.ppEnabledExtensionNames = enabledDeviceExtensions.data();
MGLOG_I("Device feature support: robustBufferAccess=%s geometryShader=%s independentBlend=%s logicOp=%s shaderClipDistance=%s "
"shaderCullDistance=%s wideLines=%s shaderInt64=%s vertexStoresAtomics=%s "
"fragmentStoresAtomics=%s storageImageExtendedFormats=%s storageImageReadWithoutFormat=%s "
"storageImageWriteWithoutFormat=%s drawIndirectFirstInstance=%s "
"multiDrawIndirect=%s",
supportedDeviceFeatures.robustBufferAccess ? "true" : "false",
supportedDeviceFeatures.geometryShader ? "true" : "false",
supportedDeviceFeatures.independentBlend ? "true" : "false",
supportedDeviceFeatures.logicOp ? "true" : "false",
supportedDeviceFeatures.shaderClipDistance ? "true" : "false",
supportedDeviceFeatures.shaderCullDistance ? "true" : "false",
supportedDeviceFeatures.wideLines ? "true" : "false",
supportedDeviceFeatures.shaderInt64 ? "true" : "false",
supportedDeviceFeatures.vertexPipelineStoresAndAtomics ? "true" : "false",
supportedDeviceFeatures.fragmentStoresAndAtomics ? "true" : "false",
supportedDeviceFeatures.shaderStorageImageExtendedFormats ? "true" : "false",
supportedDeviceFeatures.shaderStorageImageReadWithoutFormat ? "true" : "false",
supportedDeviceFeatures.shaderStorageImageWriteWithoutFormat ? "true" : "false",
supportedDeviceFeatures.drawIndirectFirstInstance ? "true" : "false",
supportedDeviceFeatures.multiDrawIndirect ? "true" : "false");
MGLOG_I("Device feature enabled: robustBufferAccess=%s geometryShader=%s independentBlend=%s logicOp=%s shaderClipDistance=%s "
"shaderCullDistance=%s wideLines=%s shaderInt64=%s vertexStoresAtomics=%s "
"fragmentStoresAtomics=%s storageImageExtendedFormats=%s storageImageReadWithoutFormat=%s "
"storageImageWriteWithoutFormat=%s drawIndirectFirstInstance=%s "
"multiDrawIndirect=%s shaderDrawParameters=%s",
deviceFeatures.robustBufferAccess ? "true" : "false",
deviceFeatures.geometryShader ? "true" : "false",
deviceFeatures.independentBlend ? "true" : "false",
deviceFeatures.logicOp ? "true" : "false",
deviceFeatures.shaderClipDistance ? "true" : "false",
deviceFeatures.shaderCullDistance ? "true" : "false",
deviceFeatures.wideLines ? "true" : "false",
deviceFeatures.shaderInt64 ? "true" : "false",
deviceFeatures.vertexPipelineStoresAndAtomics ? "true" : "false",
deviceFeatures.fragmentStoresAndAtomics ? "true" : "false",
deviceFeatures.shaderStorageImageExtendedFormats ? "true" : "false",
deviceFeatures.shaderStorageImageReadWithoutFormat ? "true" : "false",
deviceFeatures.shaderStorageImageWriteWithoutFormat ? "true" : "false",
deviceFeatures.drawIndirectFirstInstance ? "true" : "false",
deviceFeatures.multiDrawIndirect ? "true" : "false",
m_shaderDrawParametersFeatureEnabled ? "true" : "false");
VK_VERIFY(vkCreateDevice(m_physicalDevice.handle, &deviceCreateInfo, nullptr, &m_device), "vkCreateDevice");
s_vkCmdDrawIndexedIndirectCount = reinterpret_cast<PFNDrawIndexedIndirectCountFunc>(
vkGetDeviceProcAddr(m_device, "vkCmdDrawIndexedIndirectCountKHR"));
if (s_vkCmdDrawIndexedIndirectCount == nullptr) {
s_vkCmdDrawIndexedIndirectCount = reinterpret_cast<PFNDrawIndexedIndirectCountFunc>(
vkGetDeviceProcAddr(m_device, "vkCmdDrawIndexedIndirectCount"));
}
if (m_drawIndirectCountExtensionEnabled && s_vkCmdDrawIndexedIndirectCount == nullptr) {
MGLOG_W("VK_KHR_draw_indirect_count enabled but vkCmdDrawIndexedIndirectCount entry point is missing, will continue as if VK_KHR_draw_indirect_count is not supported!");
m_drawIndirectCountExtensionEnabled = false;
}
MGLOG_I("index type uint8 enabled: %s", m_indexTypeUint8ExtensionEnabled ? "true" : "false");
MGLOG_I("Logical device created.");
// Queues
vkGetDeviceQueue(m_device, m_physicalDevice.queueFamilies.graphicsFamily, 0, &m_graphicsQueue);
vkGetDeviceQueue(m_device, m_physicalDevice.queueFamilies.presentFamily, 0, &m_presentQueue);
MGLOG_I("Queues got successfully.");
// Timestamp (timer query) support: re-enumerate the graphics queue
// family's properties for its timestampValidBits (0 means the queue
// cannot write timestamps) and take timestampPeriod (ns per tick) from
// the device limits.
const auto timestampQueueFamilies = GetQueueFamilyFromPhysicalDevice(m_physicalDevice.handle);
m_timestampValidBits = 0;
const Int32 graphicsFamilyIndex = m_physicalDevice.queueFamilies.graphicsFamily;
if (graphicsFamilyIndex >= 0 && static_cast<SizeT>(graphicsFamilyIndex) < timestampQueueFamilies.size()) {
m_timestampValidBits = timestampQueueFamilies[graphicsFamilyIndex].timestampValidBits;
}
m_timestampPeriodNs = m_physicalDevice.properties.limits.timestampPeriod;
m_timerQuerySupported = m_timestampValidBits > 0 && m_timestampPeriodNs > 0.0f;
MGLOG_I("Timer queries %s (timestampValidBits=%u, timestampPeriod=%f ns/tick)",
m_timerQuerySupported ? "supported" : "not supported", m_timestampValidBits, m_timestampPeriodNs);
}
void VulkanRenderer::CreateAllocator() {
MOBILEGL_ASSERT(m_instance != VK_NULL_HANDLE, "CreateAllocator requires valid VkInstance");
MOBILEGL_ASSERT(m_physicalDevice.handle != VK_NULL_HANDLE, "CreateAllocator requires valid physical device");
MOBILEGL_ASSERT(m_device != VK_NULL_HANDLE, "CreateAllocator requires valid VkDevice");
if (m_allocator != nullptr) {
return;
}
VmaAllocatorCreateInfo allocatorInfo{};
VmaVulkanFunctions vulkanFunctions{};
vulkanFunctions.vkGetInstanceProcAddr = vkGetInstanceProcAddr;
vulkanFunctions.vkGetDeviceProcAddr = vkGetDeviceProcAddr;
allocatorInfo.instance = m_instance;
allocatorInfo.physicalDevice = m_physicalDevice.handle;
allocatorInfo.device = m_device;
allocatorInfo.pVulkanFunctions = &vulkanFunctions;
allocatorInfo.vulkanApiVersion = VK_API_VERSION_1_0;
VK_VERIFY(vmaCreateAllocator(&allocatorInfo, &m_allocator), "vmaCreateAllocator");
}
void VulkanRenderer::DestroyAllocator() {
if (m_allocator != nullptr) {
vmaDestroyAllocator(m_allocator);
m_allocator = nullptr;
}
}
void VulkanRenderer::CreateSwapchain() {
const VkExtent2D desiredExtent = {
std::max<Uint32>(m_config.SurfaceWidth, 1),
std::max<Uint32>(m_config.SurfaceHeight, 1),
};
m_swapchainObject.Create(m_device, m_physicalDevice.handle, m_surface,
static_cast<Uint32>(m_physicalDevice.queueFamilies.graphicsFamily),
static_cast<Uint32>(m_physicalDevice.queueFamilies.presentFamily),
m_config.MaxFramesInFlight, desiredExtent);
}
void VulkanRenderer::CreateCommandPool() {
VkCommandPoolCreateInfo createInfo{VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO};
createInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
createInfo.queueFamilyIndex = m_physicalDevice.queueFamilies.graphicsFamily;
VK_VERIFY(vkCreateCommandPool(m_device, &createInfo, nullptr, &m_commandPool));
MGLOG_I("Command pool created");
}
void VulkanRenderer::CreateSurface() {
if (!m_window) {
#if defined VK_USE_PLATFORM_METAL_EXT
m_window = reinterpret_cast<NativeWindowType>(
CreateInternalMetalLayer(m_config.SurfaceWidth, m_config.SurfaceHeight, &m_platformDisplay));
m_platformLibrary = reinterpret_cast<void*>(m_window);
#else
auto* createHeadlessSurface =
reinterpret_cast<PFN_vkCreateHeadlessSurfaceEXT>(
vkGetInstanceProcAddr(m_instance, "vkCreateHeadlessSurfaceEXT"));
MOBILEGL_ASSERT(createHeadlessSurface != nullptr,
"VK_EXT_headless_surface is not available for DirectVulkan pbuffer surface");
VkHeadlessSurfaceCreateInfoEXT sci{VK_STRUCTURE_TYPE_HEADLESS_SURFACE_CREATE_INFO_EXT};
VK_VERIFY(createHeadlessSurface(m_instance, &sci, nullptr, &m_surface),
"vkCreateHeadlessSurfaceEXT failed");
return;
#endif
}
#if defined VK_USE_PLATFORM_ANDROID_KHR
auto* nativeWindow = static_cast<ANativeWindow*>(m_window);
if (!nativeWindow) throw RuntimeError("ANativeWindowType is null");
VkAndroidSurfaceCreateInfoKHR sci{VK_STRUCTURE_TYPE_ANDROID_SURFACE_CREATE_INFO_KHR};
sci.window = nativeWindow;
VK_VERIFY(vkCreateAndroidSurfaceKHR(m_instance, &sci, nullptr, &m_surface), "vkCreateAndroidSurfaceKHR failed");
#elif defined VK_USE_PLATFORM_WIN32_KHR
auto hwnd = static_cast<HWND>(m_window);
MOBILEGL_ASSERT(hwnd, "HWND is null");
VkWin32SurfaceCreateInfoKHR sci{VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR};
sci.hinstance = GetModuleHandleW(nullptr);
sci.hwnd = hwnd;
VK_VERIFY(vkCreateWin32SurfaceKHR(m_instance, &sci, nullptr, &m_surface), "vkCreateWin32SurfaceKHR failed");
#elif defined VK_USE_PLATFORM_METAL_EXT
MOBILEGL_ASSERT(m_window, "CAMetalLayer is null");
VkMetalSurfaceCreateInfoEXT sci{VK_STRUCTURE_TYPE_METAL_SURFACE_CREATE_INFO_EXT};
sci.pLayer = reinterpret_cast<const void*>(m_window);
VK_VERIFY(vkCreateMetalSurfaceEXT(m_instance, &sci, nullptr, &m_surface), "vkCreateMetalSurfaceEXT failed");
#elif defined VK_USE_PLATFORM_XLIB_KHR
MOBILEGL_ASSERT(m_window, "X11 Window is null");
void* x11Lib = dlopen("libX11.so.6", RTLD_LOCAL | RTLD_NOW);
if (!x11Lib) {
x11Lib = dlopen("libX11.so", RTLD_LOCAL | RTLD_NOW);
}
MOBILEGL_ASSERT(x11Lib != nullptr, "Failed to open libX11 while creating Vulkan Xlib surface");
using XOpenDisplayFn = Display* (*)(const char*);
using XCloseDisplayFn = int (*)(Display*);
auto* xOpenDisplay = reinterpret_cast<XOpenDisplayFn>(dlsym(x11Lib, "XOpenDisplay"));
auto* xCloseDisplay = reinterpret_cast<XCloseDisplayFn>(dlsym(x11Lib, "XCloseDisplay"));
MOBILEGL_ASSERT(xOpenDisplay != nullptr && xCloseDisplay != nullptr,
"Failed to resolve XOpenDisplay/XCloseDisplay while creating Vulkan Xlib surface");
auto* display = xOpenDisplay(std::getenv("DISPLAY"));
MOBILEGL_ASSERT(display != nullptr, "XOpenDisplay failed while creating Vulkan Xlib surface");
m_platformDisplay = display;
m_platformLibrary = x11Lib;
m_platformCloseDisplay = reinterpret_cast<void*>(xCloseDisplay);
VkXlibSurfaceCreateInfoKHR sci{VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR};
sci.dpy = display;
sci.window = static_cast<Window>(m_window);
VK_VERIFY(vkCreateXlibSurfaceKHR(m_instance, &sci, nullptr, &m_surface), "vkCreateXlibSurfaceKHR failed");
#else
// #warning "VulkanRenderer::Initialize called on a platform which is not supported yet"
MGLOG_W("VulkanRenderer::Initialize called on a platform which is not supported yet"); // TODO: support more
// platforms
#endif
}
Vector<VkQueueFamilyProperties> VulkanRenderer::GetQueueFamilyFromPhysicalDevice(VkPhysicalDevice device) {
Uint32 queueFamilyCount = 0;
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, nullptr);
Vector<VkQueueFamilyProperties> queueFamilies(queueFamilyCount);
vkGetPhysicalDeviceQueueFamilyProperties(device, &queueFamilyCount, queueFamilies.data());
return queueFamilies;
}
Int VulkanRenderer::GetQueueFamilyIndex(const Vector<VkQueueFamilyProperties>& queueFamilies,
VkQueueFlagBits flag) {
for (Uint32 i = 0; i < queueFamilies.size(); i++) {
if (queueFamilies[i].queueFlags & flag) {
return i;
}
}
return -1;
}
Int VulkanRenderer::GetPresentQueueFamilyIndex(const PhysicalDevice& physicalDevice, VkSurfaceKHR surface,
const Vector<VkQueueFamilyProperties>& queueFamilies,
Int preferredFamilyIndex) {
if (preferredFamilyIndex != -1) {
VkBool32 supportsPresent = false;
vkGetPhysicalDeviceSurfaceSupportKHR(physicalDevice.handle, preferredFamilyIndex, surface,
&supportsPresent);
if (supportsPresent) return preferredFamilyIndex;
}
for (Uint32 i = 0; i < queueFamilies.size(); i++) {
VkBool32 supportsPresent = false;
vkGetPhysicalDeviceSurfaceSupportKHR(physicalDevice.handle, i, surface, &supportsPresent);
if (supportsPresent) return i;
}
return -1;
}
Vector<VkExtensionProperties> VulkanRenderer::EnumerateInstanceExtensions() {
Uint32 extensionCount = 0;
VK_VERIFY(vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, nullptr));
Vector<VkExtensionProperties> extensions(extensionCount);
vkEnumerateInstanceExtensionProperties(nullptr, &extensionCount, extensions.data());
return extensions;
}
Vector<VkExtensionProperties> VulkanRenderer::EnumerateDeviceExtensions(VkPhysicalDevice device) {
Uint32 extensionCount = 0;
VK_VERIFY(vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, nullptr));
Vector<VkExtensionProperties> extensions(extensionCount);
VK_VERIFY(vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, extensions.data()));
return extensions;
}
Bool VulkanRenderer::IsExtensionSupported(const Vector<VkExtensionProperties>& availableExtensions,
const char* extensionName) {
for (const auto& extension : availableExtensions) {
if (strcmp(extension.extensionName, extensionName) == 0) {
return true;
}
}
return false;
}
Bool VulkanRenderer::IsExtensionAlreadyEnabled(const Vector<const char*>& enabledExtensions,
const char* extensionName) {
return std::any_of(enabledExtensions.begin(), enabledExtensions.end(),
[&extensionName](const String& name) { return name == extensionName; });
}
Bool VulkanRenderer::EnableOptionalDeviceExtension(const Vector<VkExtensionProperties>& availableExtensions,
Vector<const char*>& inOutEnabledExtensions,
const char* extensionName) {
if (!IsExtensionSupported(availableExtensions, extensionName)) {
MGLOG_I("Optional device extension not supported: %s", extensionName);
return false;
}
if (!IsExtensionAlreadyEnabled(inOutEnabledExtensions, extensionName)) {
inOutEnabledExtensions.push_back(extensionName);
}
MGLOG_I("Enabled optional device extension: %s", extensionName);
return true;
}
void VulkanRenderer::ResolveOptionalDeviceExtensions(const Vector<VkExtensionProperties>& availableExtensions,
Vector<const char*>& inOutEnabledExtensions) {
m_drawIndirectCountExtensionEnabled = EnableOptionalDeviceExtension(availableExtensions, inOutEnabledExtensions,
VK_KHR_DRAW_INDIRECT_COUNT_EXTENSION_NAME);
m_shaderDrawParametersExtensionEnabled =
EnableOptionalDeviceExtension(availableExtensions, inOutEnabledExtensions,
VK_KHR_SHADER_DRAW_PARAMETERS_EXTENSION_NAME);
#ifdef VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME
EnableOptionalDeviceExtension(availableExtensions, inOutEnabledExtensions,
VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME);
#endif
}
Bool VulkanRenderer::CheckValidationLayerSupport() {
Uint32 layerCount = 0;
VK_VERIFY(vkEnumerateInstanceLayerProperties(&layerCount, nullptr));
Vector<VkLayerProperties> layers(layerCount);
VK_VERIFY(vkEnumerateInstanceLayerProperties(&layerCount, layers.data()));
for (const char* layerName : s_validationLayerNames) {
for (const auto& layerProperties : layers) {
if (strcmp(layerName, layerProperties.layerName) == 0) {
return true;
}
}
}
return false;
}
void VulkanRenderer::ShutdownSwapchain() {
MOBILEGL_ASSERT(m_renderPassManager != nullptr, "ShutdownSwapchain: render pass manager is null");
m_renderPassManager->Shutdown();
m_swapchainObject.Shutdown(m_device);
}
Bool VulkanRenderer::RecreateSwapchain() {
// Handle cases like minimize on Windows, where swapchain could return a 0x0 extent
const auto swapchainCapabilities =
SwapchainObject::GetSwapchainCapabilities(m_physicalDevice.handle, m_surface);
if (swapchainCapabilities.capabilities.currentExtent.width == 0 ||
swapchainCapabilities.capabilities.currentExtent.height == 0) {
return false;
}
vkDeviceWaitIdle(m_device);
OnSubmitsCompletedUpTo(m_submitCounter);
if (m_timerQueryManager) {
// The in-progress command buffer is abandoned below (its recording
// flags are force-cleared), so timestamp writes recorded into it
// will never execute; resolve or invalidate all pending records now
// to keep later waits from hanging on never-available queries.
m_timerQueryManager->InvalidatePendingRecords();
}
DestroyDeferredDepthMipmapCleanup();
m_deferredDepthMipmapCleanup.assign(m_frameContext.GetFrameCount(), {});
ShutdownSwapchain();
CreateSwapchain();
VK_VERIFY(m_frameContext.InitializeSwapchainSemaphores(m_device,
static_cast<Uint32>(m_swapchainObject.GetImageCount())),
"RecreateSwapchain, InitializeSwapchainSemaphores");
MOBILEGL_ASSERT(m_renderPassManager != nullptr, "RecreateSwapchain: render pass manager is null");
Bool ok = m_renderPassManager->Initialize();
MOBILEGL_ASSERT(ok, "RecreateSwapchain: render pass manager initialization failed");
if (m_pipelineFactory) {
m_pipelineFactory->DestroyAll();
}
m_lastPipelineValid = false; // pipelines freed -> the memoized handle would dangle
DestroyComputePipelines();
if (m_frameContext.GetFrameCount() > 0) {
m_frameContext.GetCurrent().isCommandRecording = false;
m_frameContext.GetCurrent().hasCommandBufferRecorded = false;
}
const Bool okArena = m_bufferManager.RecreateTransientArenas(m_frameContext.GetFrameCount());
MOBILEGL_ASSERT(okArena, "RecreateSwapchain: buffer manager transient arena initialization failed");
if (m_frameContext.GetFrameCount() > 0) {
if (m_textureManager) {
m_textureManager->BeginFrame(m_frameContext.GetCurrentFrameIndex());
}
m_bufferManager.BeginFrame(m_frameContext.GetCurrentFrameIndex());
m_convertedVertexStreams.clear();
}
return true;
}
const PhysicalDevice& VulkanRenderer::GetPhysicalDevice() const {
return m_physicalDevice;
}
void VulkanRenderer::RequestSwapchainResize(Uint32 width, Uint32 height) {
width = std::max<Uint32>(width, 1);
height = std::max<Uint32>(height, 1);
if (m_config.SurfaceWidth == width && m_config.SurfaceHeight == height) {
return;
}
m_config.SurfaceWidth = width;
m_config.SurfaceHeight = height;
m_swapchainResizeRequested = true;
}
VkInstance VulkanRenderer::GetInstance() const {
return m_instance;
}
Bool VulkanRenderer::IsDrawIndirectCountExtensionEnabled() const {
return m_drawIndirectCountExtensionEnabled;
}
void VulkanRenderer::ClearAttachmentsOnActiveRenderPass(VkCommandBuffer commandBuffer,
const RenderPassEntry &compatibleRenderPassEntry) {
auto* activeRenderPass = VkRenderPassManager::GetActiveRenderPass();
MOBILEGL_ASSERT(activeRenderPass, "No render pass active");
VkClearRect clearRect{};
clearRect.rect.offset = {0, 0};
clearRect.rect.extent = {
static_cast<Uint32>(activeRenderPass->extent.x()),
static_cast<Uint32>(activeRenderPass->extent.y())
};
clearRect.baseArrayLayer = 0;
// Compatible entries share the framebuffer layer count; layered attachments clear every layer.
clearRect.layerCount = compatibleRenderPassEntry.layers;
for (const auto& pending : compatibleRenderPassEntry.pendingClearAttachments) {
if (!pending.hasInlinePayload && pending.key.texture == nullptr) {
continue;
}
ClearAttachmentPayload clearPayload{};
SharedPtr<MG_State::GLState::ITextureObject> liveTexture;
if (pending.hasInlinePayload) {
clearPayload = pending.inlinePayload;
} else {
if (!m_clearManager->GetPendingClear(pending.key, clearPayload, liveTexture)) {
continue;
}
}
VkClearAttachment clearAttachment{};
clearAttachment.clearValue.depthStencil = {1.0f, 0};
if ((clearPayload.mask & GL_COLOR_BUFFER_BIT) != 0) {
clearAttachment.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
// VkClearAttachment::colorAttachment indexes the subpass pColorAttachments (draw-buffer
// slot space, with UNUSED holes), not the compacted attachment descriptions.
clearAttachment.colorAttachment = pending.colorAttachmentSlot;
clearAttachment.clearValue.color = {
clearPayload.color.x(),
clearPayload.color.y(),
clearPayload.color.z(),
ResolveColorClearAlpha(liveTexture.get(), clearPayload.color.w())
};
} else {
if ((clearPayload.mask & GL_DEPTH_BUFFER_BIT) != 0) {
clearAttachment.aspectMask |= VK_IMAGE_ASPECT_DEPTH_BIT;
clearAttachment.clearValue.depthStencil.depth = clearPayload.depth;
}
if ((clearPayload.mask & GL_STENCIL_BUFFER_BIT) != 0) {
clearAttachment.aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
clearAttachment.clearValue.depthStencil.stencil = clearPayload.stencil;
}
if (clearAttachment.aspectMask == 0) {
continue;
}
}
vkCmdClearAttachments(commandBuffer, 1, &clearAttachment, 1, &clearRect);
if (pending.hasInlinePayload) {
m_renderPassManager->PopPendingRenderbufferClear(pending.renderbuffer);
} else {
m_clearManager->PopPendingClear(pending.key);
}
}
}
void VulkanRenderer::DestroyComputePipelines() {
if (m_device != VK_NULL_HANDLE) {
for (const auto& [hash, pipeline] : m_computePipelines) {
(void)hash;
if (pipeline != VK_NULL_HANDLE) {
vkDestroyPipeline(m_device, pipeline, nullptr);
}
}
}
m_computePipelines.clear();
}
void VulkanRenderer::OnRenderPassDestroyed(VkRenderPass renderPass) {
if (m_pipelineFactory == nullptr) {
return;
}
// The render-pass sweep's >1024-boundary idle guarantee covers these pipelines
// too (they are only bound by draws that hit the dying entry), so the factory
// destroys them immediately. The memo must drop as well: it can hand out a
// cached handle without touching the factory.
if (m_pipelineFactory->EvictByRenderPass(renderPass) > 0) {
m_lastPipelineValid = false;
m_lastPipelineResult = VK_NULL_HANDLE;
}
}
void VulkanRenderer::OnProgramEvicted(ProgramFactory::HashType programHash,
VkDescriptorSetLayout descriptorSetLayout) {
// Same >1024-boundary idleness as the program entry: its compute pipeline is
// only dispatched, and its graphics pipelines only bound, through paths that
// stamp the entry, so immediate destruction is GPU-safe. (The graphics memo
// never holds compute pipelines; it only needs invalidating for the factory
// eviction below.)
const auto computeIt = m_computePipelines.find(programHash);
if (computeIt != m_computePipelines.end()) {
if (computeIt->second != VK_NULL_HANDLE && m_device != VK_NULL_HANDLE) {
vkDestroyPipeline(m_device, computeIt->second, nullptr);
}
m_computePipelines.erase(computeIt);
}
if (m_pipelineFactory != nullptr && m_pipelineFactory->EvictByProgramHash(programHash) > 0) {
m_lastPipelineValid = false;
m_lastPipelineResult = VK_NULL_HANDLE;
}
if (m_uniformManager != nullptr) {
m_uniformManager->OnDescriptorSetLayoutDestroyed(descriptorSetLayout);
}
}
VkPipeline VulkanRenderer::GetOrCreateComputePipeline(const ProgramFactory::VkProgramObject& programObj) {
const auto it = m_computePipelines.find(programObj.hash);
if (it != m_computePipelines.end()) {
return it->second;
}
const auto stageIt = std::find_if(programObj.stages.begin(), programObj.stages.end(),
[](const VkPipelineShaderStageCreateInfo& stage) {
return stage.stage == VK_SHADER_STAGE_COMPUTE_BIT;
});
MOBILEGL_ASSERT(stageIt != programObj.stages.end(),
"GetOrCreateComputePipeline: program has no compute stage");
if (stageIt == programObj.stages.end()) {
return VK_NULL_HANDLE;
}
VkComputePipelineCreateInfo pipelineInfo{};
pipelineInfo.sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO;
pipelineInfo.stage = *stageIt;
pipelineInfo.layout = programObj.pipelineLayout;
VkPipeline pipeline = VK_NULL_HANDLE;
VK_VERIFY(vkCreateComputePipelines(m_device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &pipeline),
"GetOrCreateComputePipeline, vkCreateComputePipelines");
m_computePipelines.emplace(programObj.hash, pipeline);
return pipeline;
}
} // namespace MobileGL::MG_Backend::DirectVulkan
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