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MobileGL/MobileGL/MG_Backend/DirectVulkan/Renderer/WireFramebuffer.inc
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// P5f fm: included by VulkanRenderer.cpp inside the backend namespace. All inputs here
// belong to the applier; no frontend object, lifetime-id lookup or allocator is used.
#if MOBILEGL_BUILD_DISAGGREGATED
[[noreturn]] static void MagmaWireFatal(const char* detail) {
MGLOG_F("MGPipe: Fatal{UnmigratedVerb, \"Magma:%s\"}", detail);
std::abort();
}
VulkanRenderer::WireImage VulkanRenderer::ResolveWireImage(
const MG_Pipe::MGPFramebufferState& fbo, const MG_Pipe::MGPSurface& surface,
VkImageAspectFlags aspect) {
WireImage out{};
out.aspect = aspect;
if (fbo.IsDefault) {
out.isDefault = true;
out.extent = m_swapchainObject.GetExtent();
if (aspect == VK_IMAGE_ASPECT_COLOR_BIT) {
out.image = m_swapchainObject.GetImage(m_imageIndexAcquired);
out.format = m_swapchainObject.GetSurfaceFormat().format;
out.layout = m_swapchainObject.GetImageLayout(m_imageIndexAcquired);
} else {
out.image = m_swapchainObject.GetDepthStencilImage(m_imageIndexAcquired);
out.format = m_swapchainObject.GetDepthStencilFormat();
out.layout = m_swapchainObject.GetDepthStencilImageLayout(m_imageIndexAcquired);
}
return out;
}
if (surface.Kind == MG_Pipe::kMGPipeSurfaceKindNone) return out;
const Bool renderbuffer = surface.Kind == MG_Pipe::kMGPipeSurfaceKindRenderbuffer;
Uint32 level = surface.Level, layer = surface.Layer, availableLayers = 1;
// FramebufferTexture2D names a cube face in UploadTarget; its Layer is
// still zero. Resolve that face before applying a texture view's window,
// just as the monolith attachment resolver does.
const auto uploadTarget = static_cast<TextureUploadTarget>(surface.UploadTarget);
if (!renderbuffer && !surface.Layered && uploadTarget >= TextureUploadTarget::CubeMapPositiveX &&
uploadTarget <= TextureUploadTarget::CubeMapNegativeZ)
layer = static_cast<Uint32>(uploadTarget) - static_cast<Uint32>(TextureUploadTarget::CubeMapPositiveX);
VkFormat viewFormat = VK_FORMAT_UNDEFINED;
out.storage = renderbuffer ? surface.Res : m_textureManager->ResolveWireTextureStorage(
surface.Res, level, layer, &viewFormat, &availableLayers);
if (MG_Pipe::MGPipeHandleIsNull(out.storage)) MagmaWireFatal("framebuffer-view-record");
auto* resource = m_textureManager->SyncTextureResourceByHandle(out.storage, renderbuffer);
if (!resource) MagmaWireFatal("framebuffer-resource");
out.image = resource->image;
out.format = viewFormat != VK_FORMAT_UNDEFINED ? viewFormat : resource->format;
out.extent = {std::max(resource->extent.width >> level, 1u),
std::max(resource->extent.height >> level, 1u)};
out.layout = resource->layout;
out.trackedLayout = &resource->layout;
out.samples = resource->sampleCount;
out.level = level;
out.levels = resource->mipLevels;
out.layer = layer;
out.is3D = resource->depth > 1;
out.layers = surface.Layered ? (out.is3D ? std::max(resource->depth >> level, 1u) : availableLayers) : 1;
const Bool oneDimensional = resource->viewType == VK_IMAGE_VIEW_TYPE_1D ||
resource->viewType == VK_IMAGE_VIEW_TYPE_1D_ARRAY;
out.viewType = oneDimensional ? (out.layers > 1 ? VK_IMAGE_VIEW_TYPE_1D_ARRAY : VK_IMAGE_VIEW_TYPE_1D) :
(out.layers > 1 ? VK_IMAGE_VIEW_TYPE_2D_ARRAY : VK_IMAGE_VIEW_TYPE_2D);
if (out.level >= resource->mipLevels || out.layer + out.layers >
(out.is3D ? std::max(resource->depth >> level, 1u) : resource->arrayLayers))
MagmaWireFatal("framebuffer-subresource");
return out;
}
void VulkanRenderer::TransitionWireImage(WireImage& image, VkImageLayout layout) {
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) m_frameContext.BeginCommandRecording();
if (VkRenderPassManager::GetActiveRenderPass()) VkRenderPassManager::EndRenderPass(frame.commandBuffer);
VkPipelineStageFlags stage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags access = 0;
GetImageTransitionSourceState(image.layout, stage, access);
// One tracked layout per image: move the complete mip chain, never just the surface.
VkImageAspectFlags barrierAspect = image.aspect;
if (image.format == VK_FORMAT_D24_UNORM_S8_UINT || image.format == VK_FORMAT_D32_SFLOAT_S8_UINT)
barrierAspect = VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
if (image.layout == layout) {
// GENERAL->GENERAL is not a layout transition, but the next load,
// sample or blit still depends on earlier attachment/shader writes.
// The old per-verb queue idle must not be its only ordering edge.
VkMemoryBarrier memory{VK_STRUCTURE_TYPE_MEMORY_BARRIER};
memory.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT;
memory.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT;
vkCmdPipelineBarrier(frame.commandBuffer, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, 0, 1, &memory, 0, nullptr, 0, nullptr);
}
if (!VkTextureManager::TransitionImageLayout(frame.commandBuffer, image.image, image.layout, layout,
stage, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, access,
VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT, barrierAspect, 0, image.levels))
MagmaWireFatal("image-transition");
if (image.trackedLayout) *image.trackedLayout = image.layout;
if (image.isDefault) {
if (image.aspect == VK_IMAGE_ASPECT_COLOR_BIT)
m_swapchainObject.SetImageLayout(m_imageIndexAcquired, image.layout);
else m_swapchainObject.SetDepthStencilImageLayout(m_imageIndexAcquired, image.layout);
}
}
void VulkanRenderer::ClearWireFramebuffer(const MG_Pipe::MGPFramebufferState& fbo,
const ClearAttachmentPayload& payload, GLint drawbuffer) {
RetireWireDrawPass();
if (MGB_CTX->IsCapabilityEnabled(CapabilityInput::RasterizerDiscard)) return;
const auto clearSurface = [&](const MG_Pipe::MGPSurface& surface, VkImageAspectFlags aspect,
Uint32 colorIndex) {
if (!fbo.IsDefault && surface.Kind == MG_Pipe::kMGPipeSurfaceKindNone) return;
if (aspect == VK_IMAGE_ASPECT_COLOR_BIT) {
const auto mask = MGB_CTX->GetColorMaskIndexed(colorIndex);
if (!mask.r() && !mask.g() && !mask.b() && !mask.a()) return;
if (!mask.r() || !mask.g() || !mask.b() || !mask.a()) {
MGLOG_W_ONCE("DirectVulkan: glClear with a partial color mask is not supported");
return;
}
}
if (aspect & VK_IMAGE_ASPECT_DEPTH_BIT) {
if (!MGB_CTX->GetDepthMask()) aspect &= ~VK_IMAGE_ASPECT_DEPTH_BIT;
}
if (aspect & VK_IMAGE_ASPECT_STENCIL_BIT) {
const Uint32 mask = MGB_CTX->GetStencilState(StencilFace::Front).WriteMask & 255u;
if (!mask) aspect &= ~VK_IMAGE_ASPECT_STENCIL_BIT;
else if (mask != 255u) {
MGLOG_W_ONCE("DirectVulkan: glClear with a partial stencil write mask is not supported");
aspect &= ~VK_IMAGE_ASPECT_STENCIL_BIT;
}
}
if (!aspect) return;
WireImage image = ResolveWireImage(fbo, surface, aspect);
if (!image.image) return;
m_textureManager->FlushPendingUploads();
VkRect2D area{{0, 0}, image.extent};
if (MGB_CTX->IsCapabilityEnabled(CapabilityInput::ScissorTest)) {
const auto& box = MGB_CTX->GetScissorBox();
const Int32 x0 = std::max(box.x(), 0), y0 = std::max(box.y(), 0);
const Int32 x1 = std::min(box.x() + box.z(), static_cast<Int32>(image.extent.width));
const Int32 y1 = std::min(box.y() + box.w(), static_cast<Int32>(image.extent.height));
if (x0 >= x1 || y0 >= y1) return;
area = {{x0, y0}, {static_cast<Uint32>(x1-x0), static_cast<Uint32>(y1-y0)}};
if (image.isDefault && !MapDefaultFramebufferReadbackRect(x0, y0, x1-x0, y1-y0,
image.extent, m_swapchainObject.GetPreTransform(), &area.offset, &area.extent))
MagmaWireFatal("clear-surface-transform");
}
const Bool color = aspect == VK_IMAGE_ASPECT_COLOR_BIT;
const auto layout = color ? VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL :
VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
TransitionWireImage(image, layout);
VkImageViewCreateInfo viewInfo{VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO};
viewInfo.image = image.image;
viewInfo.viewType = image.viewType;
viewInfo.format = image.format;
viewInfo.subresourceRange = {color ? VK_IMAGE_ASPECT_COLOR_BIT :
(image.format == VK_FORMAT_D24_UNORM_S8_UINT || image.format == VK_FORMAT_D32_SFLOAT_S8_UINT ? VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT : image.aspect), image.level, 1, image.layer, image.layers};
VkImageView view = VK_NULL_HANDLE;
VK_VERIFY(vkCreateImageView(m_device, &viewInfo, nullptr, &view));
VkAttachmentDescription attachment{};
attachment.format = image.format;
attachment.samples = image.samples;
attachment.loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_STORE;
attachment.initialLayout = layout;
attachment.finalLayout = layout;
VkAttachmentReference ref{0, layout};
VkSubpassDescription subpass{};
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.colorAttachmentCount = color ? 1 : 0;
subpass.pColorAttachments = color ? &ref : nullptr;
subpass.pDepthStencilAttachment = color ? nullptr : &ref;
VkRenderPassCreateInfo passInfo{VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO};
passInfo.attachmentCount = 1; passInfo.pAttachments = &attachment;
passInfo.subpassCount = 1; passInfo.pSubpasses = &subpass;
VkRenderPass pass = VK_NULL_HANDLE;
VK_VERIFY(vkCreateRenderPass(m_device, &passInfo, nullptr, &pass));
VkFramebufferCreateInfo fbInfo{VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO};
fbInfo.renderPass = pass; fbInfo.attachmentCount = 1; fbInfo.pAttachments = &view;
fbInfo.width = image.extent.width; fbInfo.height = image.extent.height; fbInfo.layers = image.layers;
VkFramebuffer fb = VK_NULL_HANDLE;
VK_VERIFY(vkCreateFramebuffer(m_device, &fbInfo, nullptr, &fb));
VkRenderPassBeginInfo begin{VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO};
begin.renderPass = pass; begin.framebuffer = fb; begin.renderArea = area;
auto clearPayload = payload;
if (color) PreCompensateSrgbClearColor(clearPayload, image.format);
VkClearAttachment clear{};
clear.aspectMask = aspect;
clear.clearValue.color = MakeVkClearColorValue(clearPayload, false);
if (!color) clear.clearValue.depthStencil = {payload.depth, payload.stencil};
VkClearRect rect{area, 0, image.layers};
auto& frame = m_frameContext.GetCurrent();
vkCmdBeginRenderPass(frame.commandBuffer, &begin, VK_SUBPASS_CONTENTS_INLINE);
vkCmdClearAttachments(frame.commandBuffer, 1, &clear, 1, &rect);
vkCmdEndRenderPass(frame.commandBuffer);
WireRetiredObjects retired{};
retired.framebuffers.push_back(fb);
retired.renderPasses.push_back(pass);
retired.imageViews.push_back(view);
RetireWireObjects(Move(retired));
if (!image.isDefault && surface.Kind == MG_Pipe::kMGPipeSurfaceKindTexture)
m_textureManager->MarkWireTextureGpuWritten(image.storage, image.level, image.layer, image.layers);
if (image.isDefault) {
if (color) m_swapchainObject.SetImageContentDefined(m_imageIndexAcquired, true);
else m_swapchainObject.SetDepthStencilContentDefined(m_imageIndexAcquired, true);
}
};
if (payload.mask & GL_COLOR_BUFFER_BIT) {
for (Uint32 i = 0; i < MG_Pipe::kMGPipeMaxColorAttachments; ++i) {
if (drawbuffer >= 0 && static_cast<Uint32>(drawbuffer) != i) continue;
const Int32 attachment = fbo.DrawBuffers[i];
if (attachment >= 0 && attachment < static_cast<Int32>(MG_Pipe::kMGPipeMaxColorAttachments))
clearSurface(fbo.Color[attachment], VK_IMAGE_ASPECT_COLOR_BIT, i);
}
}
if (payload.mask & GL_DEPTH_BUFFER_BIT) clearSurface(fbo.Depth, VK_IMAGE_ASPECT_DEPTH_BIT, 0);
if (payload.mask & GL_STENCIL_BUFFER_BIT) clearSurface(fbo.Stencil, VK_IMAGE_ASPECT_STENCIL_BIT, 0);
}
void VulkanRenderer::ReadWirePixels(GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, void* pixels) {
if (width <= 0 || height <= 0) return;
if (HasPendingRecordedWork() && !FlushPendingCommands()) MagmaWireFatal("wire-verb-flush");
const auto* fbo = MG_Pipe::MGPipeApplier().ReadFramebuffer();
if (!fbo) MagmaWireFatal("read-framebuffer-record");
VkImageAspectFlags aspect = format == GL_DEPTH_COMPONENT ? VK_IMAGE_ASPECT_DEPTH_BIT :
format == GL_STENCIL_INDEX ? VK_IMAGE_ASPECT_STENCIL_BIT :
VK_IMAGE_ASPECT_COLOR_BIT;
if (format == GL_DEPTH_STENCIL) aspect = VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
const auto& surface = (aspect & VK_IMAGE_ASPECT_DEPTH_BIT) ? fbo->Depth :
aspect == VK_IMAGE_ASPECT_STENCIL_BIT ? fbo->Stencil : fbo->ReadSurface;
WireImage source = ResolveWireImage(*fbo, surface, aspect);
if (!source.image) return;
m_textureManager->FlushPendingUploads();
TransitionWireImage(source, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
if (aspect != VK_IMAGE_ASPECT_COLOR_BIT) {
ReadDepthStencilImageToClient(source.image,source.format,
source.trackedLayout ? source.trackedLayout : &source.layout,aspect,
source.level,source.layer,x,y,width,height,format,type,pixels,source.isDefault);
if (source.isDefault) m_swapchainObject.SetDepthStencilImageLayout(m_imageIndexAcquired,source.layout);
return;
}
const SizeT texelSize = aspect == VK_IMAGE_ASPECT_STENCIL_BIT ? 1 : GetReadbackTexelSize(source.format);
if (!texelSize) MagmaWireFatal("read-format");
const VkDeviceSize size = static_cast<VkDeviceSize>(width) * height * texelSize;
VkBufferObject buffer;
if (!buffer.Create({.allocator=m_allocator, .size=size, .usage=VK_BUFFER_USAGE_TRANSFER_DST_BIT,
.memoryUsage=VMA_MEMORY_USAGE_AUTO, .allocationFlags=VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT}))
MagmaWireFatal("read-buffer-allocation");
VkOffset2D offset{x,y};
VkExtent2D extent{static_cast<Uint32>(width), static_cast<Uint32>(height)};
if (source.isDefault && !MapDefaultFramebufferReadbackRect(x,y,width,height,source.extent,
m_swapchainObject.GetPreTransform(),&offset,&extent)) MagmaWireFatal("read-surface-transform");
VkBufferImageCopy region{};
region.imageSubresource = {aspect,source.level,source.is3D ? 0u : source.layer,1};
region.imageOffset = {offset.x,offset.y,source.is3D ? static_cast<Int32>(source.layer) : 0};
region.imageExtent = {extent.width,extent.height,1};
auto& frame = m_frameContext.GetCurrent();
vkCmdCopyImageToBuffer(frame.commandBuffer,source.image,VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
buffer.GetHandle(),1,&region);
if (!SubmitReadbackCommandsAndWait(frame)) MagmaWireFatal("read-submit");
const auto* bytes = static_cast<const Uint8*>(buffer.Map());
if (!bytes || !buffer.Invalidate(size)) MagmaWireFatal("read-map");
Vector<Uint8> remapped;
if (source.isDefault) {
remapped.resize(static_cast<SizeT>(size));
if (!RemapDefaultFramebufferReadback(bytes,width,height,m_swapchainObject.GetPreTransform(),
texelSize,remapped.data())) MagmaWireFatal("read-remap");
bytes = remapped.data();
}
if (!PackReadbackToClientOrPbo(bytes,source.format,width,height,1,format,type,pixels,false,true))
MagmaWireFatal("read-conversion");
}
void VulkanRenderer::ResolveWireDepthStencil(WireImage source, WireImage destination,
GLint sx0, GLint sy0, GLint sx1, GLint sy1, GLint dx0, GLint dy0, GLint dx1, GLint dy1) {
const Int64 width = static_cast<Int64>(sx1) - sx0;
const Int64 height = static_cast<Int64>(sy1) - sy0;
if (!width || !height) return;
if (source.isDefault || destination.isDefault || source.is3D || destination.is3D ||
width <= 0 || height <= 0 || width != static_cast<Int64>(dx1) - dx0 ||
height != static_cast<Int64>(dy1) - dy0 || sx0 < 0 || sy0 < 0 || dx0 < 0 || dy0 < 0 ||
static_cast<Uint64>(sx1) > source.extent.width || static_cast<Uint64>(sy1) > source.extent.height ||
static_cast<Uint64>(dx1) > destination.extent.width || static_cast<Uint64>(dy1) > destination.extent.height)
MagmaWireFatal("multisample-depth-resolve-region");
VkImageAspectFlags formatAspects = VK_IMAGE_ASPECT_DEPTH_BIT;
if (source.format == VK_FORMAT_S8_UINT) formatAspects = VK_IMAGE_ASPECT_STENCIL_BIT;
else if (source.format == VK_FORMAT_D16_UNORM_S8_UINT || source.format == VK_FORMAT_D24_UNORM_S8_UINT ||
source.format == VK_FORMAT_D32_SFLOAT_S8_UINT)
formatAspects |= VK_IMAGE_ASPECT_STENCIL_BIT;
if (!m_wireCreateRenderPass2 ||
((formatAspects & VK_IMAGE_ASPECT_DEPTH_BIT) && !(m_wireDepthResolveModes & VK_RESOLVE_MODE_SAMPLE_ZERO_BIT)) ||
((formatAspects & VK_IMAGE_ASPECT_STENCIL_BIT) && !(m_wireStencilResolveModes & VK_RESOLVE_MODE_SAMPLE_ZERO_BIT)))
MagmaWireFatal("multisample-depth-resolve-capability");
// vkCmdResolveImage is color-only. A depth/stencil resolve subpass must
// write at the source coordinates and may require both aspects to use
// the same mode. Resolve both into owned scratch storage, then copy
// only the GL-requested aspect, preserving the other destination aspect.
auto scratch = MakeUnique<VkTextureManager::TextureResource>();
VkImageCreateInfo imageInfo{VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO};
imageInfo.imageType = VK_IMAGE_TYPE_2D;
imageInfo.format = source.format;
imageInfo.extent = {source.extent.width, source.extent.height, 1};
imageInfo.mipLevels = imageInfo.arrayLayers = 1;
imageInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageInfo.tiling = VK_IMAGE_TILING_OPTIMAL;
imageInfo.usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
imageInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
VmaAllocationCreateInfo allocation{};
allocation.usage = VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE;
allocation.requiredFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
if (vmaCreateImage(m_allocator, &imageInfo, &allocation, &scratch->image, &scratch->allocation, nullptr) != VK_SUCCESS)
MagmaWireFatal("multisample-depth-resolve-allocation");
scratch->format = source.format;
scratch->extent = source.extent;
scratch->aspect = formatAspects;
WireImage resolved{};
resolved.image = scratch->image;
resolved.format = scratch->format;
resolved.extent = scratch->extent;
resolved.aspect = formatAspects;
resolved.trackedLayout = &scratch->layout;
TransitionWireImage(source, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
TransitionWireImage(resolved, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL);
VkImageView views[2]{};
VkImageViewCreateInfo viewInfo{VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO};
viewInfo.image = source.image;
viewInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
viewInfo.format = source.format;
viewInfo.subresourceRange = {formatAspects, source.level, 1, source.layer, 1};
VK_VERIFY(vkCreateImageView(m_device, &viewInfo, nullptr, &views[0]));
viewInfo.image = resolved.image;
viewInfo.subresourceRange = {formatAspects, 0, 1, 0, 1};
VK_VERIFY(vkCreateImageView(m_device, &viewInfo, nullptr, &views[1]));
VkAttachmentDescription2 attachments[2]{};
for (Uint32 i = 0; i < 2; ++i) {
auto& attachment = attachments[i];
attachment.sType = VK_STRUCTURE_TYPE_ATTACHMENT_DESCRIPTION_2;
attachment.format = source.format;
attachment.samples = i == 0 ? source.samples : VK_SAMPLE_COUNT_1_BIT;
attachment.loadOp = attachment.stencilLoadOp = i == 0 ? VK_ATTACHMENT_LOAD_OP_LOAD : VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment.storeOp = attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_STORE;
attachment.initialLayout = attachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
}
VkAttachmentReference2 sourceReference{VK_STRUCTURE_TYPE_ATTACHMENT_REFERENCE_2};
sourceReference.attachment = 0;
sourceReference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
sourceReference.aspectMask = formatAspects;
VkAttachmentReference2 resolveReference = sourceReference;
resolveReference.attachment = 1;
VkSubpassDescriptionDepthStencilResolve resolve{VK_STRUCTURE_TYPE_SUBPASS_DESCRIPTION_DEPTH_STENCIL_RESOLVE};
resolve.depthResolveMode = (formatAspects & VK_IMAGE_ASPECT_DEPTH_BIT) ? VK_RESOLVE_MODE_SAMPLE_ZERO_BIT : VK_RESOLVE_MODE_NONE;
resolve.stencilResolveMode = (formatAspects & VK_IMAGE_ASPECT_STENCIL_BIT) ? VK_RESOLVE_MODE_SAMPLE_ZERO_BIT : VK_RESOLVE_MODE_NONE;
resolve.pDepthStencilResolveAttachment = &resolveReference;
VkSubpassDescription2 subpass{VK_STRUCTURE_TYPE_SUBPASS_DESCRIPTION_2};
subpass.pNext = &resolve;
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.pDepthStencilAttachment = &sourceReference;
VkRenderPassCreateInfo2 passInfo{VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO_2};
passInfo.attachmentCount = 2;
passInfo.pAttachments = attachments;
passInfo.subpassCount = 1;
passInfo.pSubpasses = &subpass;
VkRenderPass pass = VK_NULL_HANDLE;
VK_VERIFY(m_wireCreateRenderPass2(m_device, &passInfo, nullptr, &pass));
VkFramebufferCreateInfo framebufferInfo{VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO};
framebufferInfo.renderPass = pass;
framebufferInfo.attachmentCount = 2;
framebufferInfo.pAttachments = views;
framebufferInfo.width = source.extent.width;
framebufferInfo.height = source.extent.height;
framebufferInfo.layers = 1;
VkFramebuffer framebuffer = VK_NULL_HANDLE;
VK_VERIFY(vkCreateFramebuffer(m_device, &framebufferInfo, nullptr, &framebuffer));
VkRenderPassBeginInfo begin{VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO};
begin.renderPass = pass;
begin.framebuffer = framebuffer;
begin.renderArea = {{sx0, sy0}, {static_cast<Uint32>(width), static_cast<Uint32>(height)}};
auto& frame = m_frameContext.GetCurrent();
vkCmdBeginRenderPass(frame.commandBuffer, &begin, VK_SUBPASS_CONTENTS_INLINE);
vkCmdEndRenderPass(frame.commandBuffer);
TransitionWireImage(resolved, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
TransitionWireImage(destination, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
if (source.format == destination.format) {
VkImageCopy copy{};
copy.srcSubresource = {source.aspect, 0, 0, 1};
copy.srcOffset = {sx0, sy0, 0};
copy.dstSubresource = {source.aspect, destination.level, destination.layer, 1};
copy.dstOffset = {dx0, dy0, 0};
copy.extent = {static_cast<Uint32>(width), static_cast<Uint32>(height), 1};
vkCmdCopyImage(frame.commandBuffer, resolved.image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
destination.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &copy);
} else {
// A logical GL depth format may use different native renderbuffer
// and texture formats. Re-encode only after producing real resolved
// samples. Keep all scratch objects local across this helper's flush.
if (!BlitDepthAcrossFormats(frame, resolved.image, resolved.format, &scratch->layout, 0, 0,
destination.image, destination.format, destination.trackedLayout, destination.level, destination.layer,
sx0, sy0, dx0, dy0, static_cast<GLint>(width), static_cast<GLint>(height),
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
source.aspect == VK_IMAGE_ASPECT_STENCIL_BIT))
MagmaWireFatal("multisample-depth-resolve-conversion");
}
WireRetiredObjects retired{};
retired.framebuffers.push_back(framebuffer);
retired.renderPasses.push_back(pass);
retired.imageViews = {views[0], views[1]};
retired.textures.push_back(Move(scratch));
RetireWireObjects(Move(retired));
}
void VulkanRenderer::BlitWireFramebuffers(GLint sx0, GLint sy0, GLint sx1, GLint sy1,
GLint dx0, GLint dy0, GLint dx1, GLint dy1, GLbitfield mask, GLenum filter) {
RetireWireDrawPass();
// The scissor test clips blit writes: intersect the destination rectangle with
// the scissor box and shrink the source proportionally.
if (MGB_CTX->IsCapabilityEnabled(CapabilityInput::ScissorTest)) {
const IntVec4& scissor = MGB_CTX->GetScissorBox();
const auto clipAxis = [](GLint& d0, GLint& d1, GLint& s0, GLint& s1, GLint clipLo, GLint clipHi) -> Bool {
const Bool dstFlipped = d1 < d0;
GLint lo = dstFlipped ? d1 : d0;
GLint hi = dstFlipped ? d0 : d1;
const GLint newLo = std::max(lo, clipLo);
const GLint newHi = std::min(hi, clipHi);
if (newLo >= newHi) {
return false;
}
const double srcSpan = static_cast<double>(s1 - s0);
const double dstSpan = static_cast<double>(d1 - d0);
const double scale = dstSpan != 0.0 ? srcSpan / dstSpan : 0.0;
const GLint origD0 = d0;
const GLint clippedD0 = dstFlipped ? newHi : newLo;
const GLint clippedD1 = dstFlipped ? newLo : newHi;
s0 = s0 + static_cast<GLint>(std::lround((clippedD0 - origD0) * scale));
s1 = s0 + static_cast<GLint>(std::lround((clippedD1 - clippedD0) * scale));
d0 = clippedD0;
d1 = clippedD1;
return true;
};
if (!clipAxis(dx0, dx1, sx0, sx1, scissor.x(), scissor.x() + scissor.z()) ||
!clipAxis(dy0, dy1, sy0, sy1, scissor.y(), scissor.y() + scissor.w())) {
return; // fully scissored out
}
}
auto& state = MG_Pipe::MGPipeApplier();
const Bool named = !MG_Pipe::MGPipeHandleIsNull(state.VerbBlitReadFbo) ||
!MG_Pipe::MGPipeHandleIsNull(state.VerbBlitDrawFbo);
const auto* read = named ? state.FramebufferRecordFor(state.VerbBlitReadFbo) : state.ReadFramebuffer();
const auto* draw = named ? state.FramebufferRecordFor(state.VerbBlitDrawFbo) : state.DrawFramebuffer();
if (!read || !draw) MagmaWireFatal("blit-framebuffer-record");
state.VerbBlitNamedConsumed = named;
const auto blit = [&](const MG_Pipe::MGPSurface& src, const MG_Pipe::MGPSurface& dst,
VkImageAspectFlags aspect) {
WireImage source = ResolveWireImage(*read,src,aspect);
WireImage destination = ResolveWireImage(*draw,dst,aspect);
if (!source.image || !destination.image) return;
m_textureManager->FlushPendingUploads();
if (aspect != VK_IMAGE_ASPECT_COLOR_BIT && source.samples != VK_SAMPLE_COUNT_1_BIT &&
destination.samples == VK_SAMPLE_COUNT_1_BIT) {
ResolveWireDepthStencil(source, destination, sx0, sy0, sx1, sy1, dx0, dy0, dx1, dy1);
if (dst.Kind == MG_Pipe::kMGPipeSurfaceKindTexture)
m_textureManager->MarkWireTextureGpuWritten(destination.storage, destination.level, destination.layer, 1);
return;
}
if (aspect == VK_IMAGE_ASPECT_COLOR_BIT && source.samples != VK_SAMPLE_COUNT_1_BIT &&
destination.samples == VK_SAMPLE_COUNT_1_BIT) {
// A resolve cannot flip axes or convert RGBA to a BGRA/default
// attachment. Resolve into the source format first, then use
// the existing single-sample blit for those GL semantics.
const Int64 width = std::abs(static_cast<Int64>(sx1) - sx0);
const Int64 height = std::abs(static_cast<Int64>(sy1) - sy0);
if (!width || !height) return;
if (source.isDefault || source.is3D || width != std::abs(static_cast<Int64>(dx1) - dx0) ||
height != std::abs(static_cast<Int64>(dy1) - dy0) ||
std::min(sx0, sx1) < 0 || std::min(sy0, sy1) < 0 ||
static_cast<Uint64>(std::max(sx0, sx1)) > source.extent.width ||
static_cast<Uint64>(std::max(sy0, sy1)) > source.extent.height)
MagmaWireFatal("multisample-resolve-region");
auto scratch = MakeUnique<VkTextureManager::TextureResource>();
VkImageCreateInfo info{VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO};
info.imageType = VK_IMAGE_TYPE_2D;
info.format = source.format;
info.extent = {static_cast<Uint32>(width), static_cast<Uint32>(height), 1};
info.mipLevels = info.arrayLayers = 1;
info.samples = VK_SAMPLE_COUNT_1_BIT;
info.tiling = VK_IMAGE_TILING_OPTIMAL;
info.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
VmaAllocationCreateInfo allocation{};
allocation.usage = VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE;
allocation.requiredFlags = VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
if (vmaCreateImage(m_allocator, &info, &allocation, &scratch->image, &scratch->allocation, nullptr) != VK_SUCCESS)
MagmaWireFatal("multisample-resolve-allocation");
scratch->format = source.format;
scratch->extent = {info.extent.width, info.extent.height};
scratch->mipLevels = scratch->arrayLayers = scratch->depth = 1;
scratch->aspect = VK_IMAGE_ASPECT_COLOR_BIT;
WireImage resolved{};
resolved.image = scratch->image;
resolved.format = scratch->format;
resolved.extent = scratch->extent;
resolved.aspect = VK_IMAGE_ASPECT_COLOR_BIT;
resolved.trackedLayout = &scratch->layout;
TransitionWireImage(source, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
TransitionWireImage(resolved, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
VkImageResolve resolve{};
resolve.srcSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, source.level, source.layer, 1};
resolve.srcOffset = {std::min(sx0, sx1), std::min(sy0, sy1), 0};
resolve.dstSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1};
resolve.extent = info.extent;
vkCmdResolveImage(m_frameContext.GetCurrent().commandBuffer, source.image,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, resolved.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &resolve);
const GLint rx0 = sx1 > sx0 ? 0 : static_cast<GLint>(width);
const GLint rx1 = sx1 > sx0 ? static_cast<GLint>(width) : 0;
const GLint ry0 = sy1 > sy0 ? 0 : static_cast<GLint>(height);
const GLint ry1 = sy1 > sy0 ? static_cast<GLint>(height) : 0;
if (destination.isDefault) {
if (!BlitWireColorToDefault(resolved, destination, rx0, ry0, rx1, ry1,
dx0, dy0, dx1, dy1, filter))
MagmaWireFatal("multisample-default-blit");
m_swapchainObject.SetImageContentDefined(m_imageIndexAcquired, true);
} else {
TransitionWireImage(resolved, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
TransitionWireImage(destination, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
VkImageBlit copy{};
copy.srcSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1};
copy.srcOffsets[0] = {rx0, ry0, 0}; copy.srcOffsets[1] = {rx1, ry1, 1};
copy.dstSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, destination.level,
destination.is3D ? 0u : destination.layer, 1};
const Int32 z = destination.is3D ? static_cast<Int32>(destination.layer) : 0;
copy.dstOffsets[0] = {dx0, dy0, z}; copy.dstOffsets[1] = {dx1, dy1, z + 1};
vkCmdBlitImage(m_frameContext.GetCurrent().commandBuffer, resolved.image,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, destination.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1, &copy, filter == GL_LINEAR ? VK_FILTER_LINEAR : VK_FILTER_NEAREST);
if (dst.Kind == MG_Pipe::kMGPipeSurfaceKindTexture)
m_textureManager->MarkWireTextureGpuWritten(destination.storage, destination.level, destination.layer, 1);
}
// The shader blit's views were retired first. Keep their backing
// image until the same submit completes; resizing a shared
// scratch image here would destroy an older queued resolve.
WireRetiredObjects retired{};
retired.textures.push_back(Move(scratch));
RetireWireObjects(Move(retired));
return;
}
// GL names logical window coordinates. Android's native swapchain may
// be quarter-turned (e.g. logical 2620x1280 over an image 1280x2620).
// An axis-aligned vkCmdBlitImage cannot express that rotation; issuing
// the logical rectangle directly also writes outside the native image.
if (aspect == VK_IMAGE_ASPECT_COLOR_BIT && destination.isDefault && !source.isDefault &&
source.samples == VK_SAMPLE_COUNT_1_BIT && destination.samples == VK_SAMPLE_COUNT_1_BIT &&
source.image != destination.image) {
if (!BlitWireColorToDefault(source, destination, sx0, sy0, sx1, sy1,
dx0, dy0, dx1, dy1, filter))
MagmaWireFatal("default-color-blit-shape@P7");
m_swapchainObject.SetImageContentDefined(m_imageIndexAcquired, true);
return;
}
const Bool sameImage = source.image == destination.image;
const VkImageLayout srcLayout = sameImage ? VK_IMAGE_LAYOUT_GENERAL : VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
const VkImageLayout dstLayout = sameImage ? VK_IMAGE_LAYOUT_GENERAL : VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
TransitionWireImage(source,srcLayout);
if (sameImage) destination.layout = source.layout;
else TransitionWireImage(destination,dstLayout);
VkImageBlit region{};
region.srcSubresource = {aspect,source.level,source.layer,1};
region.dstSubresource = {aspect,destination.level,destination.layer,1};
region.srcOffsets[0] = {sx0,sy0,0}; region.srcOffsets[1] = {sx1,sy1,1};
region.dstOffsets[0] = {dx0,dy0,0}; region.dstOffsets[1] = {dx1,dy1,1};
// Headless and identity surfaces store GL's bottom row at Vulkan's last row.
if (source.isDefault) {
region.srcOffsets[0].y = static_cast<GLint>(source.extent.height)-sy0;
region.srcOffsets[1].y = static_cast<GLint>(source.extent.height)-sy1;
}
if (destination.isDefault) {
region.dstOffsets[0].y = static_cast<GLint>(destination.extent.height)-dy0;
region.dstOffsets[1].y = static_cast<GLint>(destination.extent.height)-dy1;
}
auto command = m_frameContext.GetCurrent().commandBuffer;
if (source.samples != VK_SAMPLE_COUNT_1_BIT || destination.samples != VK_SAMPLE_COUNT_1_BIT) {
const Int32 width = region.srcOffsets[1].x - region.srcOffsets[0].x;
const Int32 height = region.srcOffsets[1].y - region.srcOffsets[0].y;
if (width <= 0 || height <= 0 || width != region.dstOffsets[1].x - region.dstOffsets[0].x ||
height != region.dstOffsets[1].y - region.dstOffsets[0].y || source.format != destination.format)
MagmaWireFatal("multisample-blit-shape@P7");
if (source.samples != VK_SAMPLE_COUNT_1_BIT && destination.samples == VK_SAMPLE_COUNT_1_BIT &&
aspect == VK_IMAGE_ASPECT_COLOR_BIT) {
VkImageResolve resolve{region.srcSubresource, region.srcOffsets[0],
region.dstSubresource, region.dstOffsets[0], {static_cast<Uint32>(width), static_cast<Uint32>(height), 1}};
vkCmdResolveImage(command, source.image, srcLayout, destination.image, dstLayout, 1, &resolve);
} else if (source.samples == destination.samples) {
VkImageCopy copy{region.srcSubresource, region.srcOffsets[0], region.dstSubresource,
region.dstOffsets[0], {static_cast<Uint32>(width), static_cast<Uint32>(height), 1}};
vkCmdCopyImage(command, source.image, srcLayout, destination.image, dstLayout, 1, &copy);
} else MagmaWireFatal("multisample-blit-aspect@P7");
} else {
vkCmdBlitImage(command,source.image,srcLayout,destination.image,dstLayout,1,&region,
filter == GL_LINEAR ? VK_FILTER_LINEAR : VK_FILTER_NEAREST);
}
if (!destination.isDefault && dst.Kind == MG_Pipe::kMGPipeSurfaceKindTexture)
m_textureManager->MarkWireTextureGpuWritten(destination.storage, destination.level, destination.layer, destination.layers);
if (destination.isDefault) {
if (aspect == VK_IMAGE_ASPECT_COLOR_BIT) m_swapchainObject.SetImageContentDefined(m_imageIndexAcquired,true);
else m_swapchainObject.SetDepthStencilContentDefined(m_imageIndexAcquired,true);
}
};
if (mask & GL_COLOR_BUFFER_BIT) {
for (Uint32 i=0;i<MG_Pipe::kMGPipeMaxColorAttachments;++i) {
const Int32 attachment = draw->DrawBuffers[i];
if (attachment>=0 && attachment<static_cast<Int32>(MG_Pipe::kMGPipeMaxColorAttachments))
blit(read->ReadSurface,draw->Color[attachment],VK_IMAGE_ASPECT_COLOR_BIT);
}
}
if (mask & GL_DEPTH_BUFFER_BIT) blit(read->Depth,draw->Depth,VK_IMAGE_ASPECT_DEPTH_BIT);
if (mask & GL_STENCIL_BUFFER_BIT) blit(read->Stencil,draw->Stencil,VK_IMAGE_ASPECT_STENCIL_BIT);
}
void VulkanRenderer::CopyWireFramebufferToTexture(GLenum target, GLint level, GLint xoffset, GLint yoffset,
GLint x, GLint y, GLsizei width, GLsizei height) {
if (width <= 0 || height <= 0) return;
if (target != GL_TEXTURE_2D) {
RecordTextureCopyError(__func__,ErrorCode::InvalidOperation,
"CopyTexSubImage2D currently only supports GL_TEXTURE_2D destinations.");
return;
}
RetireWireDrawPass();
auto& state = MG_Pipe::MGPipeApplier();
const auto* read = state.ReadFramebuffer();
if (!read) MagmaWireFatal("copy-framebuffer-record");
const auto* texture = m_textureManager->SyncTextureResourceByHandle(state.VerbCopyTexDst);
if (!texture) MagmaWireFatal("copy-destination-record");
const VkImageAspectFlags aspect = texture->aspect;
MG_Pipe::MGPFramebufferState fake{};
MG_Pipe::MGPSurface surface{};
surface.Kind = MG_Pipe::kMGPipeSurfaceKindTexture;
surface.Res = state.VerbCopyTexDst;
surface.Level = static_cast<Uint16>(level);
WireImage source = ResolveWireImage(*read,aspect & VK_IMAGE_ASPECT_DEPTH_BIT ? read->Depth :
aspect & VK_IMAGE_ASPECT_STENCIL_BIT ? read->Stencil : read->ReadSurface,aspect);
WireImage destination = ResolveWireImage(fake,surface,aspect);
if (!source.image || !destination.image) return;
m_textureManager->FlushPendingUploads();
const Bool sameImage = source.image == destination.image;
const VkImageLayout srcLayout = sameImage ? VK_IMAGE_LAYOUT_GENERAL : VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL;
const VkImageLayout dstLayout = sameImage ? VK_IMAGE_LAYOUT_GENERAL : VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
TransitionWireImage(source,srcLayout);
if (sameImage) destination.layout = source.layout;
else TransitionWireImage(destination,dstLayout);
VkImageBlit region{};
region.srcSubresource = {aspect,source.level,source.layer,1};
region.dstSubresource = {aspect,destination.level,destination.layer,1};
region.srcOffsets[0] = {x,y,0}; region.srcOffsets[1] = {x+width,y+height,1};
region.dstOffsets[0] = {xoffset,yoffset,0}; region.dstOffsets[1] = {xoffset+width,yoffset+height,1};
if (source.isDefault) {
region.srcOffsets[0].y = static_cast<Int32>(source.extent.height)-y;
region.srcOffsets[1].y = static_cast<Int32>(source.extent.height)-y-height;
}
vkCmdBlitImage(m_frameContext.GetCurrent().commandBuffer,source.image,srcLayout,
destination.image,dstLayout,1,&region,VK_FILTER_NEAREST);
m_textureManager->MarkWireTextureGpuWritten(destination.storage,destination.level,destination.layer);
}
void VulkanRenderer::GenerateWireMipmap() {
RetireWireDrawPass();
auto& state = MG_Pipe::MGPipeApplier();
Uint32 base = state.VerbMipBaseLevel, baseLayer = 0, layerCount = 1;
VkFormat viewFormat = VK_FORMAT_UNDEFINED;
const auto handle = m_textureManager->ResolveWireTextureStorage(state.VerbMipRes, base, baseLayer,
&viewFormat, &layerCount);
auto* resource = m_textureManager->SyncTextureResourceByHandle(handle);
if (!resource) MagmaWireFatal("mipmap-resource");
m_textureManager->FlushPendingUploads();
RetireWireDrawPass();
auto& frame = m_frameContext.GetCurrent();
if (!frame.isCommandRecording) m_frameContext.BeginCommandRecording();
const Uint32 count = state.VerbMipLevelCount;
if (count <= 1) return;
if (!m_textureManager->GrowWireTextureMipChain(handle,base+count,frame.commandBuffer))
MagmaWireFatal("mipmap-growth");
if (resource->aspect != VK_IMAGE_ASPECT_COLOR_BIT && resource->aspect != VK_IMAGE_ASPECT_DEPTH_BIT)
MagmaWireFatal("depth-stencil-mipmap@P7");
VkFormatProperties props{};
const VkFormat format = viewFormat == VK_FORMAT_UNDEFINED ? resource->format : viewFormat;
vkGetPhysicalDeviceFormatProperties(m_physicalDevice.handle,format,&props);
const auto required = VK_FORMAT_FEATURE_BLIT_SRC_BIT | VK_FORMAT_FEATURE_BLIT_DST_BIT;
const Bool nativeBlit = format == resource->format && (props.optimalTilingFeatures & required) == required;
const VkFilter filter = props.optimalTilingFeatures & VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT ?
VK_FILTER_LINEAR : VK_FILTER_NEAREST;
if (!nativeBlit) {
// Packed floating-point color formats may support sampling and
// rendering without BLIT_DST. Generate from actual GPU mip contents
// through the native shader pass; no client or staged texels enter.
if (resource->aspect != VK_IMAGE_ASPECT_COLOR_BIT ||
resource->viewType == VK_IMAGE_VIEW_TYPE_1D || resource->viewType == VK_IMAGE_VIEW_TYPE_1D_ARRAY ||
resource->viewType == VK_IMAGE_VIEW_TYPE_3D ||
!(resource->usageFlags & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) ||
baseLayer >= resource->arrayLayers || layerCount > resource->arrayLayers - baseLayer)
MagmaWireFatal("mipmap-shader-format-or-shape");
for (Uint32 level = base + 1; level < base + count; ++level) {
for (Uint32 layer = baseLayer; layer < baseLayer + layerCount; ++layer) {
WireImage source{};
source.image = resource->image;
source.format = format;
source.aspect = VK_IMAGE_ASPECT_COLOR_BIT;
source.layout = resource->layout;
source.trackedLayout = &resource->layout;
source.levels = resource->mipLevels;
source.level = level - 1;
source.layer = layer;
source.extent = {std::max(resource->extent.width >> (level - 1), 1u),
std::max(resource->extent.height >> (level - 1), 1u)};
WireImage destination = source;
destination.level = level;
destination.extent = {std::max(resource->extent.width >> level, 1u),
std::max(resource->extent.height >> level, 1u)};
if (!BlitWireColorImage(source, destination, 0, 0, source.extent.width, source.extent.height,
0, 0, destination.extent.width, destination.extent.height,
filter == VK_FILTER_LINEAR ? GL_LINEAR : GL_NEAREST, true))
MagmaWireFatal("mipmap-shader-blit");
}
}
} else {
VkPipelineStageFlags stage = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
VkAccessFlags access = 0;
GetImageTransitionSourceState(resource->layout,stage,access);
if (!VkTextureManager::TransitionImageLayout(frame.commandBuffer,resource->image,resource->layout,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,stage,VK_PIPELINE_STAGE_TRANSFER_BIT,access,
VK_ACCESS_TRANSFER_WRITE_BIT,resource->aspect,0,resource->mipLevels)) MagmaWireFatal("mipmap-transition");
for (Uint32 level=base+1;level<base+count;++level) {
VkImageLayout previous = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
VkTextureManager::TransitionImageLayout(frame.commandBuffer,resource->image,previous,
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-1,1);
VkImageBlit blit{};
blit.srcSubresource = {resource->aspect,level-1,baseLayer,layerCount};
blit.dstSubresource = {resource->aspect,level,baseLayer,layerCount};
blit.srcOffsets[1] = {static_cast<Int32>(std::max(resource->extent.width>>(level-1),1u)),
static_cast<Int32>(std::max(resource->extent.height>>(level-1),1u)),
static_cast<Int32>(std::max(resource->depth>>(level-1),1u))};
blit.dstOffsets[1] = {static_cast<Int32>(std::max(resource->extent.width>>level,1u)),
static_cast<Int32>(std::max(resource->extent.height>>level,1u)),
static_cast<Int32>(std::max(resource->depth>>level,1u))};
vkCmdBlitImage(frame.commandBuffer,resource->image,VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
resource->image,VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,1,&blit,filter);
VkTextureManager::TransitionImageLayout(frame.commandBuffer,resource->image,previous,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,VK_PIPELINE_STAGE_TRANSFER_BIT,VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_ACCESS_TRANSFER_READ_BIT,VK_ACCESS_TRANSFER_WRITE_BIT,resource->aspect,level-1,1);
}
resource->layout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
}
auto& record = state.TextureResources[handle.Slot];
record.Desc.Levels = std::max<Uint16>(record.Desc.Levels,static_cast<Uint16>(base+count));
resource->syncedWireSerial = ++record.Serial;
auto& store = MG_Remote::Server::ServerStagedTexture();
const Uint64 key = MG_Remote::Server::StagedTextureStore::KeyForHandle(handle);
const auto target = static_cast<MG_Pipe::MGPipeResourceTarget>(record.Desc.Target);
// The resource descriptor determines the upload-target set; no texture unit or
// client upload-target vector participates in defining the generated shadow.
for (Uint32 face = target == MG_Pipe::MGPipeResourceTarget::TexCube ? baseLayer : 0;
face < (target == MG_Pipe::MGPipeResourceTarget::TexCube ? baseLayer + layerCount : 1u); ++face) {
TextureUploadTarget upload = TextureUploadTarget::Texture2D;
switch (target) {
case MG_Pipe::MGPipeResourceTarget::Tex1D: upload=TextureUploadTarget::Texture1D; break;
case MG_Pipe::MGPipeResourceTarget::Tex3D: upload=TextureUploadTarget::Texture3D; break;
case MG_Pipe::MGPipeResourceTarget::Tex1DArray: upload=TextureUploadTarget::Texture1DArray; break;
case MG_Pipe::MGPipeResourceTarget::Tex2DArray: upload=TextureUploadTarget::Texture2DArray; break;
case MG_Pipe::MGPipeResourceTarget::TexCubeArray: upload=TextureUploadTarget::CubeMapArray; break;
case MG_Pipe::MGPipeResourceTarget::TexCube:
upload=static_cast<TextureUploadTarget>(static_cast<Uint32>(TextureUploadTarget::CubeMapPositiveX)+face); break;
default: break;
}
for (Uint32 level=base+1;level<base+count;++level) {
const IntVec3 extent = MG_Remote::Server::StagedTextureMipExtent(
record.Desc.Target, record.Desc.Width, record.Desc.Height, record.Desc.Depth, level);
store.NoteLevelDefined(key,static_cast<Uint16>(upload),static_cast<Uint16>(level),extent);
store.MarkLevelGpuDirty(key,static_cast<Uint16>(upload),static_cast<Uint16>(level),true);
}
}
}
#endif
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