void SparseShaderIntrinsicsInstanceSampledBase::recordCommands (const VkCommandBuffer commandBuffer,
const VkImageCreateInfo& imageSparseInfo,
const VkImage imageSparse,
const VkImage imageTexels,
const VkImage imageResidency)
{
const InstanceInterface& instance = m_context.getInstanceInterface();
const DeviceInterface& deviceInterface = getDeviceInterface();
const VkPhysicalDevice physicalDevice = m_context.getPhysicalDevice();
const VkPhysicalDeviceProperties deviceProperties = getPhysicalDeviceProperties(instance, physicalDevice);
if (imageSparseInfo.extent.width > deviceProperties.limits.maxFramebufferWidth ||
imageSparseInfo.extent.height > deviceProperties.limits.maxFramebufferHeight ||
imageSparseInfo.arrayLayers > deviceProperties.limits.maxFramebufferLayers)
{
TCU_THROW(NotSupportedError, "Image size exceeds allowed framebuffer dimensions");
}
// Check if device supports image format for sampled images
if (!checkImageFormatFeatureSupport(instance, physicalDevice, imageSparseInfo.format, VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))
TCU_THROW(NotSupportedError, "Device does not support image format for sampled images");
// Check if device supports image format for color attachment
if (!checkImageFormatFeatureSupport(instance, physicalDevice, imageSparseInfo.format, VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
TCU_THROW(NotSupportedError, "Device does not support image format for color attachment");
// Make sure device supports VK_FORMAT_R32_UINT format for color attachment
if (!checkImageFormatFeatureSupport(instance, physicalDevice, mapTextureFormat(m_residencyFormat), VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
TCU_THROW(TestError, "Device does not support VK_FORMAT_R32_UINT format for color attachment");
// Create buffer storing vertex data
std::vector<tcu::Vec2> vertexData;
vertexData.push_back(tcu::Vec2(-1.0f,-1.0f));
vertexData.push_back(tcu::Vec2( 0.0f, 0.0f));
vertexData.push_back(tcu::Vec2(-1.0f, 1.0f));
vertexData.push_back(tcu::Vec2( 0.0f, 1.0f));
vertexData.push_back(tcu::Vec2( 1.0f,-1.0f));
vertexData.push_back(tcu::Vec2( 1.0f, 0.0f));
vertexData.push_back(tcu::Vec2( 1.0f, 1.0f));
vertexData.push_back(tcu::Vec2( 1.0f, 1.0f));
const VkDeviceSize vertexDataSizeInBytes = sizeInBytes(vertexData);
const VkBufferCreateInfo vertexBufferCreateInfo = makeBufferCreateInfo(vertexDataSizeInBytes, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT);
m_vertexBuffer = createBuffer(deviceInterface, getDevice(), &vertexBufferCreateInfo);
m_vertexBufferAlloc = bindBuffer(deviceInterface, getDevice(), getAllocator(), *m_vertexBuffer, MemoryRequirement::HostVisible);
deMemcpy(m_vertexBufferAlloc->getHostPtr(), &vertexData[0], static_cast<std::size_t>(vertexDataSizeInBytes));
flushMappedMemoryRange(deviceInterface, getDevice(), m_vertexBufferAlloc->getMemory(), m_vertexBufferAlloc->getOffset(), vertexDataSizeInBytes);
// Create render pass
const VkAttachmentDescription texelsAttachmentDescription =
{
(VkAttachmentDescriptionFlags)0, // VkAttachmentDescriptionFlags flags;
imageSparseInfo.format, // VkFormat format;
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples;
VK_ATTACHMENT_LOAD_OP_CLEAR, // VkAttachmentLoadOp loadOp;
VK_ATTACHMENT_STORE_OP_STORE, // VkAttachmentStoreOp storeOp;
VK_ATTACHMENT_LOAD_OP_DONT_CARE, // VkAttachmentLoadOp stencilLoadOp;
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp stencilStoreOp;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout initialLayout;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout finalLayout;
};
const VkAttachmentDescription residencyAttachmentDescription =
{
(VkAttachmentDescriptionFlags)0, // VkAttachmentDescriptionFlags flags;
mapTextureFormat(m_residencyFormat), // VkFormat format;
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples;
VK_ATTACHMENT_LOAD_OP_CLEAR, // VkAttachmentLoadOp loadOp;
VK_ATTACHMENT_STORE_OP_STORE, // VkAttachmentStoreOp storeOp;
VK_ATTACHMENT_LOAD_OP_DONT_CARE, // VkAttachmentLoadOp stencilLoadOp;
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp stencilStoreOp;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout initialLayout;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout finalLayout;
};
const VkAttachmentDescription colorAttachmentsDescription[] = { texelsAttachmentDescription, residencyAttachmentDescription };
const VkAttachmentReference texelsAttachmentReference =
{
0u, // deUint32 attachment;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout layout;
};
const VkAttachmentReference residencyAttachmentReference =
{
1u, // deUint32 attachment;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout layout;
};
const VkAttachmentReference colorAttachmentsReference[] = { texelsAttachmentReference, residencyAttachmentReference };
const VkAttachmentReference depthAttachmentReference =
{
VK_ATTACHMENT_UNUSED, // deUint32 attachment;
VK_IMAGE_LAYOUT_UNDEFINED // VkImageLayout layout;
};
const VkSubpassDescription subpassDescription =
{
(VkSubpassDescriptionFlags)0, // VkSubpassDescriptionFlags flags;
VK_PIPELINE_BIND_POINT_GRAPHICS, // VkPipelineBindPoint pipelineBindPoint;
0u, // deUint32 inputAttachmentCount;
DE_NULL, // const VkAttachmentReference* pInputAttachments;
2u, // deUint32 colorAttachmentCount;
colorAttachmentsReference, // const VkAttachmentReference* pColorAttachments;
DE_NULL, // const VkAttachmentReference* pResolveAttachments;
&depthAttachmentReference, // const VkAttachmentReference* pDepthStencilAttachment;
0u, // deUint32 preserveAttachmentCount;
DE_NULL // const deUint32* pPreserveAttachments;
};
const VkRenderPassCreateInfo renderPassInfo =
{
VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
(VkRenderPassCreateFlags)0, // VkRenderPassCreateFlags flags;
2u, // deUint32 attachmentCount;
colorAttachmentsDescription, // const VkAttachmentDescription* pAttachments;
1u, // deUint32 subpassCount;
&subpassDescription, // const VkSubpassDescription* pSubpasses;
0u, // deUint32 dependencyCount;
DE_NULL // const VkSubpassDependency* pDependencies;
};
m_renderPass = createRenderPass(deviceInterface, getDevice(), &renderPassInfo);
// Create descriptor set layout
DescriptorSetLayoutBuilder descriptorLayerBuilder;
descriptorLayerBuilder.addSingleBinding(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, VK_SHADER_STAGE_FRAGMENT_BIT);
const Unique<VkDescriptorSetLayout> descriptorSetLayout(descriptorLayerBuilder.build(deviceInterface, getDevice()));
// Create descriptor pool
DescriptorPoolBuilder descriptorPoolBuilder;
descriptorPoolBuilder.addType(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, imageSparseInfo.mipLevels);
descriptorPool = descriptorPoolBuilder.build(deviceInterface, getDevice(), VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT, imageSparseInfo.mipLevels);
// Create sampler object
const tcu::Sampler samplerObject(tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::NEAREST_MIPMAP_NEAREST, tcu::Sampler::NEAREST);
const VkSamplerCreateInfo samplerCreateInfo = mapSampler(samplerObject, m_format);
m_sampler = createSampler(deviceInterface, getDevice(), &samplerCreateInfo);
struct PushConstants
{
deUint32 lod;
deUint32 padding; // padding needed to satisfy std430 rules
float lodWidth;
float lodHeight;
};
// Create pipeline layout
const VkPushConstantRange lodConstantRange =
{
VK_SHADER_STAGE_FRAGMENT_BIT, // VkShaderStageFlags stageFlags;
0u, // deUint32 offset;
sizeof(PushConstants), // deUint32 size;
};
const VkPipelineLayoutCreateInfo pipelineLayoutParams =
{
VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineLayoutCreateFlags flags;
1u, // deUint32 setLayoutCount;
&descriptorSetLayout.get(), // const VkDescriptorSetLayout* pSetLayouts;
1u, // deUint32 pushConstantRangeCount;
&lodConstantRange, // const VkPushConstantRange* pPushConstantRanges;
};
const Unique<VkPipelineLayout> pipelineLayout(createPipelineLayout(deviceInterface, getDevice(), &pipelineLayoutParams));
// Create graphics pipeline
{
Move<VkShaderModule> vertexModule = createShaderModule(deviceInterface, getDevice(), m_context.getBinaryCollection().get("vertex_shader"), (VkShaderModuleCreateFlags)0);
Move<VkShaderModule> fragmentModule = createShaderModule(deviceInterface, getDevice(), m_context.getBinaryCollection().get("fragment_shader"), (VkShaderModuleCreateFlags)0);
Move<VkShaderModule> geometryModule;
if (imageSparseInfo.arrayLayers > 1u)
{
requireFeatures(instance, physicalDevice, FEATURE_GEOMETRY_SHADER);
geometryModule = createShaderModule(deviceInterface, getDevice(), m_context.getBinaryCollection().get("geometry_shader"), (VkShaderModuleCreateFlags)0);
}
pipelines.push_back(makeVkSharedPtr(makeGraphicsPipeline(
deviceInterface, getDevice(), *pipelineLayout, *m_renderPass, *vertexModule, *fragmentModule, *geometryModule)));
}
const VkPipeline graphicsPipeline = **pipelines[0];
{
const VkImageSubresourceRange fullImageSubresourceRange = makeImageSubresourceRange(VK_IMAGE_ASPECT_COLOR_BIT, 0u, imageSparseInfo.mipLevels, 0u, imageSparseInfo.arrayLayers);
VkImageMemoryBarrier imageShaderAccessBarriers[3];
imageShaderAccessBarriers[0] = makeImageMemoryBarrier
(
VK_ACCESS_TRANSFER_WRITE_BIT,
VK_ACCESS_SHADER_READ_BIT,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
imageSparse,
fullImageSubresourceRange
);
imageShaderAccessBarriers[1] = makeImageMemoryBarrier
(
0u,
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
imageTexels,
fullImageSubresourceRange
);
imageShaderAccessBarriers[2] = makeImageMemoryBarrier
(
0u,
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
imageResidency,
fullImageSubresourceRange
);
deviceInterface.cmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0u, 0u, DE_NULL, 0u, DE_NULL, 3u, imageShaderAccessBarriers);
}
imageSparseViews.resize(imageSparseInfo.mipLevels);
imageTexelsViews.resize(imageSparseInfo.mipLevels);
imageResidencyViews.resize(imageSparseInfo.mipLevels);
m_framebuffers.resize(imageSparseInfo.mipLevels);
descriptorSets.resize(imageSparseInfo.mipLevels);
std::vector<VkClearValue> clearValues;
clearValues.push_back(makeClearValueColor(tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f)));
clearValues.push_back(makeClearValueColor(tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f)));
for (deUint32 mipLevelNdx = 0u; mipLevelNdx < imageSparseInfo.mipLevels; ++mipLevelNdx)
{
const vk::VkExtent3D mipLevelSize = mipLevelExtents(imageSparseInfo.extent, mipLevelNdx);
const vk::VkRect2D renderArea = makeRect2D(mipLevelSize);
const VkViewport viewport = makeViewport(mipLevelSize);
const VkImageSubresourceRange mipLevelRange = makeImageSubresourceRange(VK_IMAGE_ASPECT_COLOR_BIT, mipLevelNdx, 1u, 0u, imageSparseInfo.arrayLayers);
// Create color attachments image views
imageTexelsViews[mipLevelNdx] = makeVkSharedPtr(makeImageView(deviceInterface, getDevice(), imageTexels, mapImageViewType(m_imageType), imageSparseInfo.format, mipLevelRange));
imageResidencyViews[mipLevelNdx] = makeVkSharedPtr(makeImageView(deviceInterface, getDevice(), imageResidency, mapImageViewType(m_imageType), mapTextureFormat(m_residencyFormat), mipLevelRange));
const VkImageView attachmentsViews[] = { **imageTexelsViews[mipLevelNdx], **imageResidencyViews[mipLevelNdx] };
// Create framebuffer
const VkFramebufferCreateInfo framebufferInfo =
{
VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
(VkFramebufferCreateFlags)0, // VkFramebufferCreateFlags flags;
*m_renderPass, // VkRenderPass renderPass;
2u, // uint32_t attachmentCount;
attachmentsViews, // const VkImageView* pAttachments;
mipLevelSize.width, // uint32_t width;
mipLevelSize.height, // uint32_t height;
imageSparseInfo.arrayLayers, // uint32_t layers;
};
m_framebuffers[mipLevelNdx] = makeVkSharedPtr(createFramebuffer(deviceInterface, getDevice(), &framebufferInfo));
// Create descriptor set
descriptorSets[mipLevelNdx] = makeVkSharedPtr(makeDescriptorSet(deviceInterface, getDevice(), *descriptorPool, *descriptorSetLayout));
const VkDescriptorSet descriptorSet = **descriptorSets[mipLevelNdx];
// Update descriptor set
const VkImageSubresourceRange sparseImageSubresourceRange = sampledImageRangeToBind(imageSparseInfo, mipLevelNdx);
imageSparseViews[mipLevelNdx] = makeVkSharedPtr(makeImageView(deviceInterface, getDevice(), imageSparse, mapImageViewType(m_imageType), imageSparseInfo.format, sparseImageSubresourceRange));
const VkDescriptorImageInfo imageSparseDescInfo = makeDescriptorImageInfo(*m_sampler, **imageSparseViews[mipLevelNdx], VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL);
DescriptorSetUpdateBuilder descriptorUpdateBuilder;
descriptorUpdateBuilder.writeSingle(descriptorSet, DescriptorSetUpdateBuilder::Location::binding(BINDING_IMAGE_SPARSE), VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, &imageSparseDescInfo);
descriptorUpdateBuilder.update(deviceInterface, getDevice());
// Begin render pass
beginRenderPass(deviceInterface, commandBuffer, *m_renderPass, **m_framebuffers[mipLevelNdx], renderArea, (deUint32)clearValues.size(), &clearValues[0]);
// Bind graphics pipeline
deviceInterface.cmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphicsPipeline);
// Bind descriptor set
deviceInterface.cmdBindDescriptorSets(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *pipelineLayout, 0u, 1u, &descriptorSet, 0u, DE_NULL);
// Bind vertex buffer
{
const VkDeviceSize offset = 0ull;
deviceInterface.cmdBindVertexBuffers(commandBuffer, 0u, 1u, &m_vertexBuffer.get(), &offset);
}
// Bind Viewport
deviceInterface.cmdSetViewport(commandBuffer, 0u, 1u, &viewport);
// Bind Scissor Rectangle
deviceInterface.cmdSetScissor(commandBuffer, 0u, 1u, &renderArea);
const PushConstants pushConstants =
{
mipLevelNdx,
0u, // padding
static_cast<float>(mipLevelSize.width),
static_cast<float>(mipLevelSize.height)
};
// Update push constants
deviceInterface.cmdPushConstants(commandBuffer, *pipelineLayout, VK_SHADER_STAGE_FRAGMENT_BIT, 0u, sizeof(PushConstants), &pushConstants);
// Draw full screen quad
deviceInterface.cmdDraw(commandBuffer, 4u, 1u, 0u, 0u);
// End render pass
endRenderPass(deviceInterface, commandBuffer);
}
{
const VkImageSubresourceRange fullImageSubresourceRange = makeImageSubresourceRange(VK_IMAGE_ASPECT_COLOR_BIT, 0u, imageSparseInfo.mipLevels, 0u, imageSparseInfo.arrayLayers);
VkImageMemoryBarrier imageOutputTransferSrcBarriers[2];
imageOutputTransferSrcBarriers[0] = makeImageMemoryBarrier
(
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
VK_ACCESS_TRANSFER_READ_BIT,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
imageTexels,
fullImageSubresourceRange
);
imageOutputTransferSrcBarriers[1] = makeImageMemoryBarrier
(
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
VK_ACCESS_TRANSFER_READ_BIT,
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
imageResidency,
fullImageSubresourceRange
);
deviceInterface.cmdPipelineBarrier(commandBuffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0u, 0u, DE_NULL, 0u, DE_NULL, 2u, imageOutputTransferSrcBarriers);
}
}
agpu_framebuffer *_agpu_framebuffer::create(agpu_device *device, agpu_uint width, agpu_uint height, agpu_uint colorCount, agpu_texture_view_description* colorViews, agpu_texture_view_description* depthStencilView)
{
agpu_framebuffer *result = nullptr;
// Attachments
std::vector<VkAttachmentDescription> attachments(colorCount + (depthStencilView != nullptr ? 1 : 0));
for (agpu_uint i = 0; i < colorCount; ++i)
{
auto view = &colorViews[i];
auto &attachment = attachments[i];
if (!view || !view->texture)
return nullptr;
attachment.format = mapTextureFormat(view->format);
attachment.samples = VK_SAMPLE_COUNT_1_BIT;
attachment.loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment.initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
attachment.finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
}
if (depthStencilView != nullptr)
{
if (!depthStencilView->texture)
return nullptr;
auto &attachment = attachments.back();
attachment.format = mapTextureFormat(depthStencilView->format);
attachment.samples = VK_SAMPLE_COUNT_1_BIT;
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 = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
attachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
}
// Color reference
std::vector<VkAttachmentReference> colorReference(colorCount);
for (agpu_uint i = 0; i < colorCount; ++i)
{
colorReference[i].attachment = i;
colorReference[i].layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
}
// Depth reference
VkAttachmentReference depthReference;
memset(&depthReference, 0, sizeof(depthReference));
depthReference.attachment = colorCount;
depthReference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
// Sub pass
VkSubpassDescription subpass;
memset(&subpass, 0, sizeof(subpass));
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.colorAttachmentCount = colorCount;
subpass.pColorAttachments = &colorReference[0];
subpass.pDepthStencilAttachment = &depthReference;
if (!depthStencilView)
subpass.pDepthStencilAttachment = nullptr;
// Render pass
VkRenderPassCreateInfo renderPassCreateInfo;
memset(&renderPassCreateInfo, 0, sizeof(renderPassCreateInfo));
renderPassCreateInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
renderPassCreateInfo.attachmentCount = attachments.size();
renderPassCreateInfo.pAttachments = &attachments[0];
renderPassCreateInfo.subpassCount = 1;
renderPassCreateInfo.pSubpasses = &subpass;
VkRenderPass renderPass;
auto error = vkCreateRenderPass(device->device, &renderPassCreateInfo, nullptr, &renderPass);
if (error)
return nullptr;
// Create the framebuffer
std::vector<VkImageView> attachmentViews(attachments.size());
for (agpu_uint i = 0; i < colorCount; ++i)
{
auto view = agpu_texture::createImageView(device, &colorViews[i]);
if (!view)
goto failure;
attachmentViews[i] = view;
}
if (depthStencilView)
{
auto view = agpu_texture::createImageView(device, depthStencilView);
if (!view)
goto failure;
attachmentViews.back() = view;
}
VkFramebufferCreateInfo createInfo;
memset(&createInfo, 0, sizeof(createInfo));
createInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
createInfo.attachmentCount = attachmentViews.size();
createInfo.pAttachments = &attachmentViews[0];
createInfo.renderPass = renderPass;
createInfo.width = width;
createInfo.height = height;
createInfo.layers = 1;
VkFramebuffer framebuffer;
error = vkCreateFramebuffer(device->device, &createInfo, nullptr, &framebuffer);
if (error)
goto failure;
result = new agpu_framebuffer(device);
result->colorCount = colorCount;
result->hasDepthStencil = depthStencilView != nullptr;
result->width = width;
result->height = height;
result->renderPass = renderPass;
result->framebuffer = framebuffer;
result->attachmentViews = attachmentViews;
result->attachmentTextures.resize(attachmentViews.size());
for (agpu_uint i = 0; i < colorCount; ++i)
{
auto texture = colorViews[i].texture;
texture->retain();
result->attachmentTextures[i] = texture;
}
if (depthStencilView)
{
auto texture = depthStencilView->texture;
texture->retain();
result->attachmentTextures.back() = texture;
}
return result;
failure:
vkDestroyRenderPass(device->device, renderPass, nullptr);
for (auto view : attachmentViews)
{
if (view)
vkDestroyImageView(device->device, view, nullptr);
}
return nullptr;
}
_agpu_swap_chain *_agpu_swap_chain::create(agpu_device *device, agpu_command_queue* graphicsCommandQueue, agpu_swap_chain_create_info *createInfo)
{
VkSurfaceKHR surface = VK_NULL_HANDLE;
if (!graphicsCommandQueue || !createInfo)
return nullptr;
#if defined(_WIN32)
if (!createInfo->window)
return nullptr;
VkWin32SurfaceCreateInfoKHR surfaceCreateInfo;
memset(&surfaceCreateInfo, 0, sizeof(surfaceCreateInfo));
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.hinstance = GetModuleHandle(nullptr);
surfaceCreateInfo.hwnd = (HWND)createInfo->window;
auto error = vkCreateWin32SurfaceKHR(device->vulkanInstance, &surfaceCreateInfo, nullptr, &surface);
#elif defined(__unix__)
if(!device->displayHandle)
device->displayHandle = XOpenDisplay(nullptr);
if (!createInfo->window)
return nullptr;
VkXcbSurfaceCreateInfoKHR surfaceCreateInfo;
memset(&surfaceCreateInfo, 0, sizeof(surfaceCreateInfo));
surfaceCreateInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
surfaceCreateInfo.connection = XGetXCBConnection((Display*)device->displayHandle);
surfaceCreateInfo.window = (xcb_window_t)(uintptr_t)createInfo->window;
auto error = vkCreateXcbSurfaceKHR(device->vulkanInstance, &surfaceCreateInfo, nullptr, &surface);
#else
#error unsupported platform
#endif
if (error)
{
printError("Failed to create the swap chain surface\n");
return nullptr;
}
agpu_command_queue *presentationQueue = graphicsCommandQueue;
if (!graphicsCommandQueue->supportsPresentingSurface(surface))
{
// TODO: Find a presentation queue.
vkDestroySurfaceKHR(device->vulkanInstance, surface, nullptr);
printError("Surface presentation in different queue is not yet supported.\n");
return nullptr;
}
uint32_t formatCount = 0;
error = device->fpGetPhysicalDeviceSurfaceFormatsKHR(device->physicalDevice, surface, &formatCount, nullptr);
if (error)
{
vkDestroySurfaceKHR(device->vulkanInstance, surface, nullptr);
return nullptr;
}
std::vector<VkSurfaceFormatKHR> surfaceFormats(formatCount);
error = device->fpGetPhysicalDeviceSurfaceFormatsKHR(device->physicalDevice, surface, &formatCount, &surfaceFormats[0]);
if (error)
{
vkDestroySurfaceKHR(device->vulkanInstance, surface, nullptr);
return nullptr;
}
// Create the swap chain object.
auto swapChain = new agpu_swap_chain(device);
swapChain->surface = surface;
swapChain->graphicsQueue = graphicsCommandQueue;
swapChain->presentationQueue = presentationQueue;
graphicsCommandQueue->retain();
presentationQueue->retain();
// Set the format.
agpu_texture_format actualFormat = createInfo->colorbuffer_format;
if (formatCount == 1 && surfaceFormats[0].format == VK_FORMAT_UNDEFINED)
{
swapChain->format = mapTextureFormat(createInfo->colorbuffer_format);
if (swapChain->format == VK_FORMAT_UNDEFINED)
{
swapChain->format = VK_FORMAT_B8G8R8A8_UNORM;
actualFormat = AGPU_TEXTURE_FORMAT_B8G8R8A8_UNORM;
}
swapChain->colorSpace = surfaceFormats[0].colorSpace;
}
else
{
assert(formatCount >= 1);
// Start selecting the first format.
swapChain->format = surfaceFormats[0].format;
swapChain->colorSpace = surfaceFormats[0].colorSpace;
actualFormat = AGPU_TEXTURE_FORMAT_B8G8R8A8_UNORM;
if(swapChain->format == VK_FORMAT_B8G8R8A8_SRGB)
actualFormat = AGPU_TEXTURE_FORMAT_B8G8R8A8_UNORM_SRGB;
// Try to select the expected format.
auto wantedFormat = mapTextureFormat(createInfo->colorbuffer_format);
for(size_t i = 0; i < formatCount; ++i)
{
auto &format = surfaceFormats[i];
if(format.format == wantedFormat)
{
swapChain->format = format.format;
swapChain->colorSpace = format.colorSpace;
actualFormat = createInfo->colorbuffer_format;
break;
}
}
}
swapChain->agpuFormat = actualFormat;
// Initialize the rest of the swap chain.
if (!swapChain->initialize(createInfo))
{
swapChain->release();
return nullptr;
}
return swapChain;
}
