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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 "VertexInputStateFactory.h"
#include "VertexInputStateBuilder.h"
#include "MG_State/GLState/Core.h"
#include "MG_State/GLState/ProgramState/ProgramObject.h"
namespace MobileGL::MG_Backend::DirectVulkan {
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();
}
VkPipeline VulkanRenderer::GetOrCreatePipeline(
const MG_State::GLState::ProgramObject& program, Uint64 vertexInputHash,
const VkPipelineVertexInputStateCreateInfo& vertexInputState) {
MOBILEGL_ASSERT(m_pipelineFactory != nullptr, "PipelineFactory is not initialized");
MOBILEGL_ASSERT(m_programFactory != nullptr, "ProgramFactory is not initialized");
auto& stages = m_programFactory->GetOrCreatePipelineShaderStages(program, ProgramFactory::CompileOptionBit::None);
if (stages.empty()) {
MGLOG_W("GetOrCreatePipeline skipped: program has no shader stages");
return VK_NULL_HANDLE;
}
const Uint64 programHash = m_programFactory->ComputeHash(program, ProgramFactory::CompileOptionBit::None);
PipelineFactory::PipelineCreatePayload payload{};
payload.programHash = programHash;
payload.vertexInputHash = vertexInputHash;
payload.pipelineLayout = m_pipelineLayout;
payload.renderPass = m_renderPassLoad;
payload.subpass = 0;
payload.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
payload.stages = &stages;
payload.vertexInputState = &vertexInputState;
return m_pipelineFactory->GetOrCreatePipeline(payload);
}
void VulkanRenderer::PrepareDemoPipeline() {
MGLOG_D("PrepareDemoPipeline called");
VkPipelineLayoutCreateInfo plci{VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO};
VkDescriptorSetLayout descriptorSetLayouts[1] = {VK_NULL_HANDLE};
if (m_uniformDescriptorBinder) {
descriptorSetLayouts[0] = m_uniformDescriptorBinder->GetDescriptorSetLayout();
}
if (descriptorSetLayouts[0] != VK_NULL_HANDLE) {
plci.setLayoutCount = 1;
plci.pSetLayouts = descriptorSetLayouts;
}
VK_VERIFY(vkCreatePipelineLayout(m_device, &plci, nullptr, &m_pipelineLayout), "vkCreatePipelineLayout");
MGLOG_I("PrepareDemoPipeline completed");
}
void VulkanRenderer::CreateFrameContexts() {
VK_VERIFY(m_frameContext.Initialize(m_device, m_commandPool, m_config.MaxFramesInFlight),
"CreateFrameContexts");
VK_VERIFY(m_frameContext.InitializeSwapchainSemaphores(
m_device, static_cast<Uint32>(m_swapchainObject.GetImageCount())),
"CreateFrameContexts, InitializeSwapchainSemaphores");
MGLOG_I("CreateFrameContexts completed");
}
void VulkanRenderer::Initialize() {
CreateInstance();
CreateSurface();
PickPhysicalDevice();
CreateLogicalDeviceAndQueues();
CreateAllocator();
CreateCommandPool();
RecreateSwapchain();
m_pipelineFactory = MakeUnique<PipelineFactory>(m_device, m_config);
m_programFactory = MakeUnique<ProgramFactory>(m_device, m_config);
m_uniformDescriptorBinder = MakeUnique<UniformDescriptorBinder>();
if (!m_uniformDescriptorBinder->Initialize(m_device, m_allocator,
m_physicalDevice.properties.limits.minUniformBufferOffsetAlignment,
m_config.MaxFramesInFlight)) {
MGLOG_E("UniformDescriptorBinder initialization failed. UBO sync on Vulkan backend is disabled.");
m_uniformDescriptorBinder.reset();
}
m_vertexInputStateFactory = MakeUnique<VertexInputStateFactory>(m_config);
m_framebufferManager = MakeUnique<VkFramebufferManager>();
if (!m_framebufferManager->Initialize({m_device, m_physicalDevice.handle})) {
MGLOG_E("VkFramebufferManager initialization failed. Offscreen FBO clear path is disabled.");
m_framebufferManager.reset();
}
PrepareDemoPipeline();
CreateFrameContexts();
// Prime the first frame so Render() always targets an acquired swapchain image.
VK_VERIFY(m_frameContext.WaitAndAcquireNextImage(m_device, m_swapchainObject.GetHandle(), m_imageIndexAcquired),
"Initialize, WaitAndAcquireNextImage");
MGLOG_D("VulkanRenderer initialized");
}
void VulkanRenderer::Shutdown() {
VK_VERIFY(vkDeviceWaitIdle(m_device));
m_pipelineFactory.reset();
m_programFactory.reset();
m_vertexInputStateFactory.reset();
if (m_framebufferManager) {
m_framebufferManager->Shutdown();
m_framebufferManager.reset();
}
for (auto& vertexBuffer : m_vertexBuffers) {
if (vertexBuffer) {
vertexBuffer->Destroy();
}
}
m_vertexBuffers.clear();
m_indexBuffer.Destroy();
m_frameContext.Destroy(m_device, m_commandPool);
if (m_pipelineLayout != VK_NULL_HANDLE) {
vkDestroyPipelineLayout(m_device, m_pipelineLayout, nullptr);
m_pipelineLayout = VK_NULL_HANDLE;
}
if (m_uniformDescriptorBinder) {
m_uniformDescriptorBinder->Shutdown();
m_uniformDescriptorBinder.reset();
}
ShutdownSwapchain();
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;
}
if (m_surface != VK_NULL_HANDLE) {
vkDestroySurfaceKHR(m_instance, m_surface, nullptr);
m_surface = VK_NULL_HANDLE;
}
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");
}
void VulkanRenderer::RequestClear(GLbitfield mask, const FloatVec4& color, Float depth, Uint32 stencil,
Uint drawFboExternalIndex, Bool isDefaultFramebufferTarget) {
const GLbitfield supportedMask = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
const GLbitfield requestMask = (mask & supportedMask);
if (requestMask == 0) {
return;
}
if (m_pendingClearMask != 0 &&
(m_pendingClearDrawFboExternalIndex != drawFboExternalIndex ||
m_pendingClearTargetsDefaultFramebuffer != isDefaultFramebufferTarget)) {
MGLOG_W("Pending clear target changed from FBO %u to FBO %u before execution; dropping previous pending clear",
m_pendingClearDrawFboExternalIndex, drawFboExternalIndex);
m_pendingClearMask = 0;
}
if ((requestMask & GL_COLOR_BUFFER_BIT) != 0) {
m_pendingClearColor.float32[0] = color.x();
m_pendingClearColor.float32[1] = color.y();
m_pendingClearColor.float32[2] = color.z();
m_pendingClearColor.float32[3] = color.w();
}
if ((requestMask & GL_DEPTH_BUFFER_BIT) != 0) {
m_pendingClearDepth = depth;
}
if ((requestMask & GL_STENCIL_BUFFER_BIT) != 0) {
m_pendingClearStencil = stencil;
}
m_pendingClearDrawFboExternalIndex = drawFboExternalIndex;
m_pendingClearTargetsDefaultFramebuffer = isDefaultFramebufferTarget;
m_pendingClearMask |= requestMask;
}
Bool VulkanRenderer::ConsumePendingColorClear(VkClearColorValue& outClearColor) {
if ((m_pendingClearMask & GL_COLOR_BUFFER_BIT) == 0) {
return false;
}
outClearColor = m_pendingClearColor;
m_pendingClearMask &= ~GL_COLOR_BUFFER_BIT;
return true;
}
void VulkanRenderer::TransitionSwapchainImageToColorAttachment(VkCommandBuffer commandBuffer, Uint32 imageIndex) {
const auto oldLayout = m_swapchainObject.GetImageLayout(imageIndex);
if (oldLayout == VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL) {
return;
}
VkImageMemoryBarrier barrier{};
barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
barrier.srcAccessMask = 0;
barrier.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
barrier.oldLayout = oldLayout;
barrier.newLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.image = m_swapchainObject.GetImage(imageIndex);
barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
barrier.subresourceRange.baseMipLevel = 0;
barrier.subresourceRange.levelCount = 1;
barrier.subresourceRange.baseArrayLayer = 0;
barrier.subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
0, 0, nullptr, 0, nullptr, 1, &barrier);
m_swapchainObject.SetImageLayout(imageIndex, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL);
}
void VulkanRenderer::RecordColorClear(VkCommandBuffer commandBuffer, const VkClearColorValue& clearColor) {
VkClearAttachment clearAttachment{};
clearAttachment.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
clearAttachment.colorAttachment = 0;
clearAttachment.clearValue.color = clearColor;
VkClearRect clearRect{};
clearRect.rect.offset = {0, 0};
clearRect.rect.extent = m_swapchainObject.GetExtent();
clearRect.baseArrayLayer = 0;
clearRect.layerCount = 1;
vkCmdClearAttachments(commandBuffer, 1, &clearAttachment, 1, &clearRect);
}
void VulkanRenderer::RecordDepthStencilClear(VkCommandBuffer commandBuffer, GLbitfield mask, Float depth, Uint32 stencil) {
VkImageAspectFlags aspectMask = 0;
if ((mask & GL_DEPTH_BUFFER_BIT) != 0) {
aspectMask |= VK_IMAGE_ASPECT_DEPTH_BIT;
}
if ((mask & GL_STENCIL_BUFFER_BIT) != 0 && HasStencilComponent(m_depthStencilFormat)) {
aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
}
if (aspectMask == 0) {
return;
}
VkClearAttachment clearAttachment{};
clearAttachment.aspectMask = aspectMask;
clearAttachment.clearValue.depthStencil.depth = depth;
clearAttachment.clearValue.depthStencil.stencil = stencil;
VkClearRect clearRect{};
clearRect.rect.offset = {0, 0};
clearRect.rect.extent = m_swapchainObject.GetExtent();
clearRect.baseArrayLayer = 0;
clearRect.layerCount = 1;
vkCmdClearAttachments(commandBuffer, 1, &clearAttachment, 1, &clearRect);
}
void VulkanRenderer::TransitionDepthStencilImageToAttachment(VkCommandBuffer commandBuffer, Uint32 imageIndex) {
if (m_depthStencilImageLayouts.empty()) {
return;
}
const auto oldLayout = m_depthStencilImageLayouts[imageIndex];
if (oldLayout == VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL) {
return;
}
VkImageMemoryBarrier barrier{};
barrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
barrier.srcAccessMask = 0;
barrier.dstAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
barrier.oldLayout = oldLayout;
barrier.newLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
barrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
barrier.image = m_depthStencilImages[imageIndex];
barrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
if (HasStencilComponent(m_depthStencilFormat)) {
barrier.subresourceRange.aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
}
barrier.subresourceRange.baseMipLevel = 0;
barrier.subresourceRange.levelCount = 1;
barrier.subresourceRange.baseArrayLayer = 0;
barrier.subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT,
0, 0, nullptr, 0, nullptr, 1, &barrier);
m_depthStencilImageLayouts[imageIndex] = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
}
Bool VulkanRenderer::RecordOffscreenColorClear(VkCommandBuffer commandBuffer) {
if (!m_framebufferManager || !MG_State::pGLContext) {
return false;
}
const auto fbo = MG_State::pGLContext->GetFramebufferObject(m_pendingClearDrawFboExternalIndex);
if (!fbo) {
MGLOG_W("RecordOffscreenColorClear skipped: draw FBO %u not found", m_pendingClearDrawFboExternalIndex);
return false;
}
if (!m_framebufferManager->EnsureOffscreenColorTarget(m_pendingClearDrawFboExternalIndex, *fbo)) {
return false;
}
return m_framebufferManager->ClearColor(commandBuffer, m_pendingClearDrawFboExternalIndex, m_pendingClearColor);
}
void VulkanRenderer::EnsureFrameRecordingStarted() {
auto& frame = m_frameContext.GetCurrent();
if (frame.isCommandRecording) {
return;
}
if (frame.hasCommandBufferRecorded) {
MGLOG_W("EnsureFrameRecordingStarted skipped: current frame command buffer is already finalized");
return;
}
VkCommandBuffer& commandBuffer = m_frameContext.BeginCommandRecording();
if (m_uniformDescriptorBinder) {
m_uniformDescriptorBinder->BeginFrame(m_frameContext.GetCurrentFrameIndex());
}
if (m_pendingClearMask != 0 && !m_pendingClearTargetsDefaultFramebuffer) {
if ((m_pendingClearMask & GL_COLOR_BUFFER_BIT) != 0) {
if (!RecordOffscreenColorClear(commandBuffer)) {
MGLOG_W("Failed to clear non-default FBO %u color attachment",
m_pendingClearDrawFboExternalIndex);
}
m_pendingClearMask &= ~GL_COLOR_BUFFER_BIT;
}
if ((m_pendingClearMask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)) != 0) {
MGLOG_W("Depth/stencil clear on non-default FBO is not implemented yet (FBO %u)",
m_pendingClearDrawFboExternalIndex);
m_pendingClearMask &= ~(GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
}
// This frame touched only offscreen resources. Present still requires
// the acquired swapchain image to be in PRESENT layout.
const auto swapchainOldLayout = m_swapchainObject.GetImageLayout(m_imageIndexAcquired);
if (swapchainOldLayout != VK_IMAGE_LAYOUT_PRESENT_SRC_KHR &&
swapchainOldLayout != VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR) {
VkImageMemoryBarrier presentBarrier{};
presentBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
presentBarrier.srcAccessMask = 0;
presentBarrier.dstAccessMask = 0;
presentBarrier.oldLayout = swapchainOldLayout;
presentBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
presentBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
presentBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
presentBarrier.image = m_swapchainObject.GetImage(m_imageIndexAcquired);
presentBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
presentBarrier.subresourceRange.baseMipLevel = 0;
presentBarrier.subresourceRange.levelCount = 1;
presentBarrier.subresourceRange.baseArrayLayer = 0;
presentBarrier.subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT,
0, 0, nullptr, 0, nullptr, 1, &presentBarrier);
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
}
return;
}
TransitionSwapchainImageToColorAttachment(commandBuffer, m_imageIndexAcquired);
TransitionDepthStencilImageToAttachment(commandBuffer, m_imageIndexAcquired);
const Bool useRenderPassClearValue = (m_pendingClearMask & GL_COLOR_BUFFER_BIT) != 0;
VkClearValue clearValues[1]{};
if (useRenderPassClearValue) {
clearValues[0].color = m_pendingClearColor;
m_pendingClearMask &= ~GL_COLOR_BUFFER_BIT;
}
VkRenderPassBeginInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassInfo.renderPass = useRenderPassClearValue ? m_renderPassClear : m_renderPassLoad;
renderPassInfo.framebuffer = m_framebuffers[m_imageIndexAcquired];
renderPassInfo.renderArea.offset = {0, 0};
renderPassInfo.renderArea.extent = m_swapchainObject.GetExtent();
renderPassInfo.clearValueCount = useRenderPassClearValue ? 1 : 0;
renderPassInfo.pClearValues = useRenderPassClearValue ? clearValues : nullptr;
vkCmdBeginRenderPass(commandBuffer, &renderPassInfo, VK_SUBPASS_CONTENTS_INLINE);
m_isMainRenderPassActive = true;
if ((m_pendingClearMask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)) != 0) {
RecordDepthStencilClear(commandBuffer, m_pendingClearMask, m_pendingClearDepth, m_pendingClearStencil);
m_pendingClearMask &= ~(GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
}
}
void VulkanRenderer::EndFrameRecordingIfNeeded() {
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) {
return;
}
if (m_isMainRenderPassActive) {
vkCmdEndRenderPass(frame.commandBuffer);
m_isMainRenderPassActive = false;
}
m_frameContext.EndCommandRecording();
}
Bool VulkanRenderer::UploadAndBindVertexStreams(
const VertexInputStateFactory::BackendVertexInputState& vertexInputState,
const MG_State::GLState::VertexArrayObject& vertexArray,
VkCommandBuffer commandBuffer) {
if (vertexInputState.bindings.empty()) {
return true;
}
const auto bindingCount = vertexInputState.bindings.size();
if (vertexInputState.bindingBufferKeys.size() != bindingCount) {
MGLOG_E("UploadAndBindVertexStreams failed: binding metadata mismatch");
return false;
}
if (m_vertexBuffers.size() < bindingCount) {
m_vertexBuffers.resize(bindingCount);
}
Vector<VkBuffer> vkBuffers(bindingCount, VK_NULL_HANDLE);
Vector<VkDeviceSize> vkOffsets(bindingCount, 0);
for (SizeT binding = 0; binding < bindingCount; ++binding) {
const SizeT bufferKey = vertexInputState.bindingBufferKeys[binding];
const MG_State::GLState::BufferObject* sourceBuffer = nullptr;
for (Uint32 location = 0; location < MG_State::GLState::VertexArrayObject::MAX_VERTEX_ATTRIBS; ++location) {
const auto& attr = vertexArray.GetAttribute(location);
if (!attr.Enabled || !attr.Buffer) {
continue;
}
if (reinterpret_cast<SizeT>(attr.Buffer.get()) == bufferKey) {
sourceBuffer = attr.Buffer.get();
break;
}
}
if (!sourceBuffer) {
MGLOG_W("UploadAndBindVertexStreams skipped: no source buffer for binding %zu", binding);
return false;
}
const auto sourceData = sourceBuffer->GetDataReadOnly();
if (!sourceData || sourceData->empty()) {
MGLOG_W("UploadAndBindVertexStreams skipped: source buffer has no data for binding %zu", binding);
return false;
}
if (!m_vertexBuffers[binding]) {
m_vertexBuffers[binding] = MakeUnique<VkBufferObject>();
}
auto& backendBuffer = *m_vertexBuffers[binding];
const SizeT sourceSize = sourceBuffer->GetSize();
if (!backendBuffer.IsValid() || backendBuffer.GetSize() < sourceSize) {
backendBuffer.Destroy();
const Bool created = backendBuffer.Create(
m_allocator, static_cast<VkDeviceSize>(sourceSize),
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
VMA_MEMORY_USAGE_AUTO,
VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT);
if (!created) {
MGLOG_E("UploadAndBindVertexStreams skipped: failed to create backend buffer for binding %zu", binding);
return false;
}
}
if (!backendBuffer.Upload(sourceData->data(), static_cast<VkDeviceSize>(sourceSize), 0)) {
MGLOG_E("UploadAndBindVertexStreams skipped: failed to upload binding %zu", binding);
return false;
}
vkBuffers[binding] = backendBuffer.GetHandle();
}
vkCmdBindVertexBuffers(commandBuffer, 0, static_cast<Uint32>(bindingCount), vkBuffers.data(), vkOffsets.data());
return true;
}
void VulkanRenderer::DrawArrays(const DrawArrayPayload& payload) {
if (payload.mode != GL_TRIANGLES) {
MGLOG_W("DrawArrays skipped: primitive mode %u is not supported yet", payload.mode);
return;
}
const VertexInputStateFactory::BackendVertexInputState* vertexInputState = nullptr;
if (payload.vertexArray && m_vertexInputStateFactory) {
vertexInputState = &m_vertexInputStateFactory->GetOrCreateVertexInputState(*payload.vertexArray);
}
EnsureFrameRecordingStarted();
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording || !m_isMainRenderPassActive) {
MGLOG_W("DrawArrays skipped: frame recording was not started");
return;
}
VkCommandBuffer& commandBuffer = frame.commandBuffer;
const auto swapchainExtent = m_swapchainObject.GetExtent();
if (payload.program == nullptr) {
MGLOG_W("DrawArrays skipped: no current program is bound");
return;
}
const Uint64 vertexInputHash = vertexInputState ? vertexInputState->hash : 0;
const VkPipelineVertexInputStateCreateInfo* vertexInputInfo =
vertexInputState ? &vertexInputState->state : nullptr;
if (!vertexInputInfo) {
VertexInputStateBuilder emptyVertexInputBuilder;
vertexInputInfo = &emptyVertexInputBuilder.Build();
}
VkPipeline pipelineToBind = GetOrCreatePipeline(*payload.program, vertexInputHash, *vertexInputInfo);
if (pipelineToBind == VK_NULL_HANDLE) {
MGLOG_W("DrawArrays skipped: failed to create/get pipeline");
return;
}
vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineToBind);
if (m_uniformDescriptorBinder &&
!m_uniformDescriptorBinder->BindProgramUniformBuffers(commandBuffer, m_pipelineLayout, *payload.program,
m_frameContext.GetCurrentFrameIndex())) {
MGLOG_W("DrawArrays skipped: failed to bind uniform descriptors");
return;
}
if (vertexInputState && !vertexInputState->bindings.empty()) {
if (!payload.vertexArray) {
MGLOG_W("DrawArrays skipped: vertex input requires VAO");
return;
}
if (!UploadAndBindVertexStreams(*vertexInputState, *payload.vertexArray, commandBuffer)) {
return;
}
}
VkViewport viewport{};
viewport.x = 0.0f;
viewport.y = 0.0f;
viewport.width = static_cast<float>(swapchainExtent.width);
viewport.height = static_cast<float>(swapchainExtent.height);
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
vkCmdSetViewport(commandBuffer, 0, 1, &viewport);
VkRect2D scissor{};
scissor.offset = {0, 0};
scissor.extent = swapchainExtent;
vkCmdSetScissor(commandBuffer, 0, 1, &scissor);
vkCmdDraw(commandBuffer, static_cast<Uint32>(payload.count), 1, static_cast<Uint32>(payload.first), 0);
}
void VulkanRenderer::DrawElements(const DrawElementPayload& payload) {
if (payload.drawArray.mode != GL_TRIANGLES) {
MGLOG_W("DrawElements skipped: primitive mode %u is not supported yet", payload.drawArray.mode);
return;
}
EnsureFrameRecordingStarted();
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording || !m_isMainRenderPassActive) {
MGLOG_W("DrawElements skipped: frame recording was not started");
return;
}
VkIndexType vkIndexType = VK_INDEX_TYPE_MAX_ENUM;
switch (payload.indexType) {
case GL_UNSIGNED_SHORT:
vkIndexType = VK_INDEX_TYPE_UINT16;
break;
case GL_UNSIGNED_INT:
vkIndexType = VK_INDEX_TYPE_UINT32;
break;
default:
MGLOG_W("DrawElements skipped: index type %u is not supported yet", payload.indexType);
return;
}
MOBILEGL_ASSERT(payload.indexData != nullptr, "DrawElements requires non-null indexData");
MOBILEGL_ASSERT(payload.indexDataSizeBytes > 0, "DrawElements requires non-zero index data size");
const VertexInputStateFactory::BackendVertexInputState* vertexInputState = nullptr;
if (payload.drawArray.vertexArray && m_vertexInputStateFactory) {
vertexInputState = &m_vertexInputStateFactory->GetOrCreateVertexInputState(*payload.drawArray.vertexArray);
}
if (payload.drawArray.program == nullptr) {
MGLOG_W("DrawElements skipped: no current program is bound");
return;
}
const Uint64 vertexInputHash = vertexInputState ? vertexInputState->hash : 0;
const VkPipelineVertexInputStateCreateInfo* vertexInputInfo =
vertexInputState ? &vertexInputState->state : nullptr;
if (!vertexInputInfo) {
VertexInputStateBuilder emptyVertexInputBuilder;
vertexInputInfo = &emptyVertexInputBuilder.Build();
}
VkPipeline pipelineToBind = GetOrCreatePipeline(*payload.drawArray.program, vertexInputHash, *vertexInputInfo);
if (pipelineToBind == VK_NULL_HANDLE) {
MGLOG_W("DrawElements skipped: failed to create/get pipeline");
return;
}
if (!m_indexBuffer.IsValid() || m_indexBuffer.GetSize() < payload.indexDataSizeBytes) {
m_indexBuffer.Destroy();
const Bool created = m_indexBuffer.Create(
m_allocator, static_cast<VkDeviceSize>(payload.indexDataSizeBytes),
VK_BUFFER_USAGE_INDEX_BUFFER_BIT,
VMA_MEMORY_USAGE_AUTO,
VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT);
if (!created) {
MGLOG_E("DrawElements skipped: failed to create index buffer");
return;
}
}
if (!m_indexBuffer.Upload(payload.indexData, static_cast<VkDeviceSize>(payload.indexDataSizeBytes), 0)) {
MGLOG_E("DrawElements skipped: failed to upload index data");
return;
}
VkCommandBuffer& commandBuffer = frame.commandBuffer;
const auto swapchainExtent = m_swapchainObject.GetExtent();
vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineToBind);
if (m_uniformDescriptorBinder &&
!m_uniformDescriptorBinder->BindProgramUniformBuffers(commandBuffer, m_pipelineLayout,
*payload.drawArray.program,
m_frameContext.GetCurrentFrameIndex())) {
MGLOG_W("DrawElements skipped: failed to bind uniform descriptors");
return;
}
if (vertexInputState && !vertexInputState->bindings.empty()) {
if (!payload.drawArray.vertexArray) {
MGLOG_W("DrawElements skipped: vertex input requires VAO");
return;
}
if (!UploadAndBindVertexStreams(*vertexInputState, *payload.drawArray.vertexArray, commandBuffer)) {
return;
}
}
VkViewport viewport{};
viewport.x = 0.0f;
viewport.y = 0.0f;
viewport.width = static_cast<float>(swapchainExtent.width);
viewport.height = static_cast<float>(swapchainExtent.height);
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
vkCmdSetViewport(commandBuffer, 0, 1, &viewport);
VkRect2D scissor{};
scissor.offset = {0, 0};
scissor.extent = swapchainExtent;
vkCmdSetScissor(commandBuffer, 0, 1, &scissor);
vkCmdBindIndexBuffer(commandBuffer, m_indexBuffer.GetHandle(), 0, vkIndexType);
vkCmdDrawIndexed(commandBuffer, static_cast<Uint32>(payload.drawArray.count), 1, 0, 0, 0);
}
Bool VulkanRenderer::BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0,
GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter,
Uint readFboExternalIndex, Uint drawFboExternalIndex,
Bool readIsDefaultFramebuffer, Bool drawIsDefaultFramebuffer) {
if ((mask & GL_COLOR_BUFFER_BIT) == 0 || (mask & ~GL_COLOR_BUFFER_BIT) != 0) {
MGLOG_W("BlitFramebuffer skipped: only GL_COLOR_BUFFER_BIT is supported in Vulkan backend for now");
return false;
}
if (readIsDefaultFramebuffer || !drawIsDefaultFramebuffer) {
MGLOG_W("BlitFramebuffer skipped: currently only read=offscreen FBO and draw=default FBO is supported");
return false;
}
auto& frame = m_frameContext.GetCurrent();
if (frame.hasCommandBufferRecorded) {
MGLOG_W("BlitFramebuffer skipped: current frame command buffer is already finalized");
return false;
}
if (!frame.isCommandRecording) {
m_frameContext.BeginCommandRecording();
if (m_uniformDescriptorBinder) {
m_uniformDescriptorBinder->BeginFrame(m_frameContext.GetCurrentFrameIndex());
}
}
VkCommandBuffer commandBuffer = frame.commandBuffer;
if (m_isMainRenderPassActive) {
vkCmdEndRenderPass(commandBuffer);
m_isMainRenderPassActive = false;
}
if (!m_framebufferManager || !MG_State::pGLContext) {
MGLOG_W("BlitFramebuffer skipped: framebuffer manager is unavailable");
return false;
}
(void)drawFboExternalIndex;
const auto readFbo = MG_State::pGLContext->GetFramebufferObject(readFboExternalIndex);
if (!readFbo) {
MGLOG_W("BlitFramebuffer skipped: read FBO %u not found", readFboExternalIndex);
return false;
}
if (!m_framebufferManager->EnsureOffscreenColorTarget(readFboExternalIndex, *readFbo)) {
return false;
}
if (!m_framebufferManager->TransitionOffscreenColorToTransferSrc(commandBuffer, readFboExternalIndex)) {
return false;
}
VkImage srcImage = VK_NULL_HANDLE;
VkExtent2D srcExtent{};
if (!m_framebufferManager->GetOffscreenColorImage(readFboExternalIndex, srcImage, srcExtent)) {
MGLOG_W("BlitFramebuffer skipped: offscreen image for FBO %u is unavailable", readFboExternalIndex);
return false;
}
const auto swapchainOldLayout = m_swapchainObject.GetImageLayout(m_imageIndexAcquired);
if (swapchainOldLayout != VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL) {
VkImageMemoryBarrier toTransferDstBarrier{};
toTransferDstBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
toTransferDstBarrier.srcAccessMask = 0;
toTransferDstBarrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
toTransferDstBarrier.oldLayout = swapchainOldLayout;
toTransferDstBarrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
toTransferDstBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
toTransferDstBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
toTransferDstBarrier.image = m_swapchainObject.GetImage(m_imageIndexAcquired);
toTransferDstBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
toTransferDstBarrier.subresourceRange.baseMipLevel = 0;
toTransferDstBarrier.subresourceRange.levelCount = 1;
toTransferDstBarrier.subresourceRange.baseArrayLayer = 0;
toTransferDstBarrier.subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
0, 0, nullptr, 0, nullptr, 1, &toTransferDstBarrier);
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
}
VkImageBlit blitRegion{};
blitRegion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
blitRegion.srcSubresource.mipLevel = 0;
blitRegion.srcSubresource.baseArrayLayer = 0;
blitRegion.srcSubresource.layerCount = 1;
blitRegion.srcOffsets[0] = {srcX0, srcY0, 0};
blitRegion.srcOffsets[1] = {srcX1, srcY1, 1};
blitRegion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
blitRegion.dstSubresource.mipLevel = 0;
blitRegion.dstSubresource.baseArrayLayer = 0;
blitRegion.dstSubresource.layerCount = 1;
blitRegion.dstOffsets[0] = {dstX0, dstY0, 0};
blitRegion.dstOffsets[1] = {dstX1, dstY1, 1};
vkCmdBlitImage(commandBuffer, srcImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
m_swapchainObject.GetImage(m_imageIndexAcquired), VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &blitRegion, (filter == GL_LINEAR ? VK_FILTER_LINEAR : VK_FILTER_NEAREST));
VkImageMemoryBarrier toPresentBarrier{};
toPresentBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
toPresentBarrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
toPresentBarrier.dstAccessMask = 0;
toPresentBarrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
toPresentBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
toPresentBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
toPresentBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
toPresentBarrier.image = m_swapchainObject.GetImage(m_imageIndexAcquired);
toPresentBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
toPresentBarrier.subresourceRange.baseMipLevel = 0;
toPresentBarrier.subresourceRange.levelCount = 1;
toPresentBarrier.subresourceRange.baseArrayLayer = 0;
toPresentBarrier.subresourceRange.layerCount = 1;
vkCmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT,
0, 0, nullptr, 0, nullptr, 1, &toPresentBarrier);
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
(void)srcExtent;
return true;
}
void VulkanRenderer::Render() {
// Route test rendering through the same frame-start logic used by draw calls,
// so pending glClear() state can be consumed consistently.
EnsureFrameRecordingStarted();
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording || !m_isMainRenderPassActive) {
MGLOG_W("Render skipped: frame recording was not started");
return;
}
VkCommandBuffer& commandBuffer = frame.commandBuffer;
const auto swapchainExtent = m_swapchainObject.GetExtent();
(void)commandBuffer;
(void)swapchainExtent;
}
void VulkanRenderer::Present() {
MOBILEGL_ASSERT(m_imageIndexAcquired < m_swapchainObject.GetImageCount(),
"Present, acquired image index out of range");
auto& frame = m_frameContext.GetCurrent();
if (m_pendingClearMask != 0 && frame.hasCommandBufferRecorded) {
MGLOG_W("Dropping pending clear for current frame because command buffer is already finalized");
m_pendingClearMask = 0;
} else if (m_pendingClearMask != 0 && frame.isCommandRecording) {
if (m_pendingClearTargetsDefaultFramebuffer && m_isMainRenderPassActive) {
if ((m_pendingClearMask & GL_COLOR_BUFFER_BIT) != 0) {
RecordColorClear(frame.commandBuffer, m_pendingClearColor);
}
if ((m_pendingClearMask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)) != 0) {
RecordDepthStencilClear(frame.commandBuffer, m_pendingClearMask, m_pendingClearDepth, m_pendingClearStencil);
}
m_pendingClearMask = 0;
} else if (!m_pendingClearTargetsDefaultFramebuffer) {
if ((m_pendingClearMask & GL_COLOR_BUFFER_BIT) != 0) {
if (!RecordOffscreenColorClear(frame.commandBuffer)) {
MGLOG_W("Present: failed to clear non-default FBO %u color attachment",
m_pendingClearDrawFboExternalIndex);
}
m_pendingClearMask &= ~GL_COLOR_BUFFER_BIT;
}
if ((m_pendingClearMask & (GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT)) != 0) {
MGLOG_W("Present: depth/stencil clear on non-default FBO is not implemented yet (FBO %u)",
m_pendingClearDrawFboExternalIndex);
m_pendingClearMask &= ~(GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
}
} else {
MGLOG_W("Present: pending default-FBO clear cannot execute because no render pass is active");
m_pendingClearMask = 0;
}
} else if (m_pendingClearMask != 0) {
EnsureFrameRecordingStarted();
}
EndFrameRecordingIfNeeded();
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));
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);
RecreateSwapchain();
result = VK_SUCCESS;
}
VK_VERIFY(result, "Present, vkQueuePresentKHR");
// 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);
RecreateSwapchain();
result = VK_SUCCESS;
}
VK_VERIFY(result, "Present, vkAcquireNextImageKHR");
}
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,
#ifdef VK_USE_PLATFORM_ANDROID_KHR
VK_KHR_ANDROID_SURFACE_EXTENSION_NAME
#elif defined VK_USE_PLATFORM_WIN32_KHR
VK_KHR_WIN32_SURFACE_EXTENSION_NAME
#elif defined VK_USE_PLATFORM_METAL_EXT
VK_EXT_METAL_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)
exts.push_back(VK_KHR_PORTABILITY_ENUMERATION_EXTENSION_NAME);
instanceInfo.flags |= VK_INSTANCE_CREATE_ENUMERATE_PORTABILITY_BIT_KHR;
#endif
if (m_validationLayersEnabled) {
exts.push_back(VK_EXT_DEBUG_UTILS_EXTENSION_NAME);
}
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;
}
// 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 = newDevice;
MGLOG_I(" Ignored physical device. (Reason: Already picked discrete GPU)");
return false;
}
return false;
}
Bool VulkanRenderer::IsNecessaryDeviceExtensionSupported(VkPhysicalDevice device) {
Uint32 extensionCount = 0;
vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, nullptr);
std::vector<VkExtensionProperties> availableExtensions(extensionCount);
vkEnumerateDeviceExtensionProperties(device, nullptr, &extensionCount, availableExtensions.data());
MGLOG_I("Got %u Vulkan device extensions: ", extensionCount);
for (auto& extension : availableExtensions) {
MGLOG_I(" %s (r.%u)", extension.extensionName, extension.specVersion);
}
for (SizeT i = 0; i < std::size(s_deviceExtensionNames); ++i) {
Bool found = false;
for (const auto& extension : availableExtensions) {
if (strcmp(extension.extensionName, s_deviceExtensionNames[i]) == 0) {
MGLOG_I("Required extension found: %s", s_deviceExtensionNames[i]);
found = true;
break;
}
}
if (!found) {
MGLOG_I("Required extension not found: %s", s_deviceExtensionNames[i]);
return false;
}
}
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 deviceFeatures{};
// TODO: query and make use of device features
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) + 1);
for (const char* extensionName : s_deviceExtensionNames) {
enabledDeviceExtensions.push_back(extensionName);
}
#ifdef VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME
Uint32 extensionCount = 0;
VK_VERIFY(vkEnumerateDeviceExtensionProperties(m_physicalDevice.handle, nullptr, &extensionCount, nullptr));
Vector<VkExtensionProperties> availableExtensions(extensionCount);
VK_VERIFY(vkEnumerateDeviceExtensionProperties(m_physicalDevice.handle, nullptr, &extensionCount,
availableExtensions.data()));
for (const auto& extension : availableExtensions) {
if (strcmp(extension.extensionName, VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME) == 0) {
enabledDeviceExtensions.push_back(VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME);
MGLOG_I("Enabled optional device extension: %s", VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME);
break;
}
}
#endif
deviceCreateInfo.enabledExtensionCount = static_cast<Uint32>(enabledDeviceExtensions.size());
deviceCreateInfo.ppEnabledExtensionNames = enabledDeviceExtensions.data();
VK_VERIFY(vkCreateDevice(m_physicalDevice.handle, &deviceCreateInfo, nullptr, &m_device), "vkCreateDevice");
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.");
}
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() {
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);
}
Uint32 VulkanRenderer::FindMemoryType(Uint32 typeFilter, VkMemoryPropertyFlags properties) const {
VkPhysicalDeviceMemoryProperties memProperties{};
vkGetPhysicalDeviceMemoryProperties(m_physicalDevice.handle, &memProperties);
for (Uint32 i = 0; i < memProperties.memoryTypeCount; i++) {
if ((typeFilter & (1 << i)) && (memProperties.memoryTypes[i].propertyFlags & properties) == properties) {
return i;
}
}
MOBILEGL_ASSERT(false, "Failed to find suitable memory type.");
return 0;
}
Bool VulkanRenderer::HasStencilComponent(VkFormat format) {
return format == VK_FORMAT_D24_UNORM_S8_UINT || format == VK_FORMAT_D32_SFLOAT_S8_UINT;
}
VkFormat VulkanRenderer::FindSupportedDepthStencilFormat(VkPhysicalDevice physicalDevice) {
const VkFormat candidates[] = {
VK_FORMAT_D24_UNORM_S8_UINT,
VK_FORMAT_D32_SFLOAT_S8_UINT,
VK_FORMAT_D32_SFLOAT
};
for (VkFormat format : candidates) {
VkFormatProperties props{};
vkGetPhysicalDeviceFormatProperties(physicalDevice, format, &props);
if ((props.optimalTilingFeatures & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT) != 0) {
return format;
}
}
return VK_FORMAT_UNDEFINED;
}
void VulkanRenderer::CreateDepthStencilResources() {
const auto imageCount = static_cast<Uint32>(m_swapchainObject.GetImageCount());
if (imageCount == 0) {
return;
}
m_depthStencilFormat = FindSupportedDepthStencilFormat(m_physicalDevice.handle);
MOBILEGL_ASSERT(m_depthStencilFormat != VK_FORMAT_UNDEFINED, "No supported depth/stencil format found.");
const auto extent = m_swapchainObject.GetExtent();
m_depthStencilImages.assign(imageCount, VK_NULL_HANDLE);
m_depthStencilImageMemories.assign(imageCount, VK_NULL_HANDLE);
m_depthStencilImageViews.assign(imageCount, VK_NULL_HANDLE);
m_depthStencilImageLayouts.assign(imageCount, VK_IMAGE_LAYOUT_UNDEFINED);
for (Uint32 i = 0; i < imageCount; ++i) {
VkImageCreateInfo imageInfo{};
imageInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
imageInfo.imageType = VK_IMAGE_TYPE_2D;
imageInfo.extent.width = extent.width;
imageInfo.extent.height = extent.height;
imageInfo.extent.depth = 1;
imageInfo.mipLevels = 1;
imageInfo.arrayLayers = 1;
imageInfo.format = m_depthStencilFormat;
imageInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
imageInfo.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
imageInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
VK_VERIFY(vkCreateImage(m_device, &imageInfo, nullptr, &m_depthStencilImages[i]), "vkCreateImage(depth)");
VkMemoryRequirements memRequirements{};
vkGetImageMemoryRequirements(m_device, m_depthStencilImages[i], &memRequirements);
VkMemoryAllocateInfo allocInfo{};
allocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
allocInfo.allocationSize = memRequirements.size;
allocInfo.memoryTypeIndex = FindMemoryType(memRequirements.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
VK_VERIFY(vkAllocateMemory(m_device, &allocInfo, nullptr, &m_depthStencilImageMemories[i]), "vkAllocateMemory(depth)");
VK_VERIFY(vkBindImageMemory(m_device, m_depthStencilImages[i], m_depthStencilImageMemories[i], 0), "vkBindImageMemory(depth)");
VkImageViewCreateInfo viewInfo{};
viewInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
viewInfo.image = m_depthStencilImages[i];
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
viewInfo.format = m_depthStencilFormat;
viewInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
if (HasStencilComponent(m_depthStencilFormat)) {
viewInfo.subresourceRange.aspectMask |= VK_IMAGE_ASPECT_STENCIL_BIT;
}
viewInfo.subresourceRange.baseMipLevel = 0;
viewInfo.subresourceRange.levelCount = 1;
viewInfo.subresourceRange.baseArrayLayer = 0;
viewInfo.subresourceRange.layerCount = 1;
VK_VERIFY(vkCreateImageView(m_device, &viewInfo, nullptr, &m_depthStencilImageViews[i]), "vkCreateImageView(depth)");
}
}
void VulkanRenderer::DestroyDepthStencilResources() {
for (auto view : m_depthStencilImageViews) {
if (view != VK_NULL_HANDLE) {
vkDestroyImageView(m_device, view, nullptr);
}
}
m_depthStencilImageViews.clear();
for (auto image : m_depthStencilImages) {
if (image != VK_NULL_HANDLE) {
vkDestroyImage(m_device, image, nullptr);
}
}
m_depthStencilImages.clear();
for (auto memory : m_depthStencilImageMemories) {
if (memory != VK_NULL_HANDLE) {
vkFreeMemory(m_device, memory, nullptr);
}
}
m_depthStencilImageMemories.clear();
m_depthStencilImageLayouts.clear();
m_depthStencilFormat = VK_FORMAT_UNDEFINED;
}
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");
}
VkRenderPass VulkanRenderer::CreateDefaultRenderPass(VkAttachmentLoadOp loadOp) {
VkAttachmentDescription color{};
color.format = m_swapchainObject.GetSurfaceFormat().format;
color.samples = VK_SAMPLE_COUNT_1_BIT;
color.loadOp = loadOp;
color.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
color.initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
color.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
VkAttachmentDescription depthStencil{};
depthStencil.format = m_depthStencilFormat;
depthStencil.samples = VK_SAMPLE_COUNT_1_BIT;
depthStencil.loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
depthStencil.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
depthStencil.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
depthStencil.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
depthStencil.initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
depthStencil.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
VkAttachmentReference colorRef{0, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL};
VkAttachmentReference depthStencilRef{1, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL};
VkSubpassDescription sub{};
sub.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
sub.colorAttachmentCount = 1;
sub.pColorAttachments = &colorRef;
sub.pDepthStencilAttachment = &depthStencilRef;
VkAttachmentDescription attachments[] = {color, depthStencil};
VkRenderPassCreateInfo rpci{VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO};
rpci.attachmentCount = static_cast<Uint32>(std::size(attachments));
rpci.pAttachments = attachments;
rpci.subpassCount = 1;
rpci.pSubpasses = &sub;
VkRenderPass renderPass = VK_NULL_HANDLE;
VK_VERIFY(vkCreateRenderPass(m_device, &rpci, nullptr, &renderPass), "vkCreateRenderPass");
return renderPass;
}
void VulkanRenderer::CreateDefaultRenderPass() {
m_renderPassLoad = CreateDefaultRenderPass(VK_ATTACHMENT_LOAD_OP_LOAD);
m_renderPassClear = CreateDefaultRenderPass(VK_ATTACHMENT_LOAD_OP_CLEAR);
MGLOG_D("RenderPasses created (LOAD/CLEAR).");
}
void VulkanRenderer::CreateDefaultFramebuffers() {
// Create framebuffers now (use swapchain imageviews)
const auto& imageViews = m_swapchainObject.GetImageViews();
const auto swapchainExtent = m_swapchainObject.GetExtent();
Vector<VkFramebuffer>& fbs = m_framebuffers;
fbs.reserve(imageViews.size());
for (SizeT i = 0; i < imageViews.size(); ++i) {
VkImageView attachments[] = {imageViews[i], m_depthStencilImageViews[i]};
VkFramebufferCreateInfo fbci{VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO};
fbci.renderPass = m_renderPassLoad;
fbci.attachmentCount = static_cast<Uint32>(std::size(attachments));
fbci.pAttachments = attachments;
fbci.width = swapchainExtent.width;
fbci.height = swapchainExtent.height;
fbci.layers = 1;
VkFramebuffer fb;
VK_VERIFY(vkCreateFramebuffer(m_device, &fbci, nullptr, &fb), "vkCreateFramebuffer");
fbs.push_back(fb);
}
MGLOG_D("Default framebuffer created.");
}
void VulkanRenderer::CreateSurface() {
#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.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");
#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;
}
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() {
for (auto fb : m_framebuffers) {
vkDestroyFramebuffer(m_device, fb, nullptr);
}
m_framebuffers.clear();
DestroyDepthStencilResources();
if (m_renderPassClear != VK_NULL_HANDLE) {
vkDestroyRenderPass(m_device, m_renderPassClear, nullptr);
m_renderPassClear = VK_NULL_HANDLE;
}
if (m_renderPassLoad != VK_NULL_HANDLE) {
vkDestroyRenderPass(m_device, m_renderPassLoad, nullptr);
m_renderPassLoad = VK_NULL_HANDLE;
}
m_swapchainObject.Shutdown(m_device);
}
void 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;
}
vkDeviceWaitIdle(m_device);
ShutdownSwapchain();
CreateSwapchain();
VK_VERIFY(m_frameContext.InitializeSwapchainSemaphores(
m_device, static_cast<Uint32>(m_swapchainObject.GetImageCount())),
"RecreateSwapchain, InitializeSwapchainSemaphores");
CreateDepthStencilResources();
CreateDefaultRenderPass();
CreateDefaultFramebuffers();
if (m_pipelineFactory) {
m_pipelineFactory->DestroyAll();
}
if (m_frameContext.GetFrameCount() > 0) {
m_frameContext.GetCurrent().isCommandRecording = false;
m_frameContext.GetCurrent().hasCommandBufferRecorded = false;
}
m_isMainRenderPassActive = false;
}
} // namespace MobileGL::MG_Backend::DirectVulkan
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