Updated shading rate sample to KHR extension
This commit is contained in:
Sascha Willems
parent
66dce3c991
commit
f27a032570
5 changed files with 273 additions and 98 deletions
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@ -1,7 +1,7 @@
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/*
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* Vulkan Example - Variable rate shading
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*
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* Copyright (C) 2020-2022 by Sascha Willems - www.saschawillems.de
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* Copyright (C) 2020-2023 by Sascha Willems - www.saschawillems.de
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*
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* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
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*/
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@ -19,7 +19,8 @@ VulkanExample::VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
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camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 256.0f);
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camera.setRotationSpeed(0.25f);
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enabledInstanceExtensions.push_back(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME);
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enabledDeviceExtensions.push_back(VK_NV_SHADING_RATE_IMAGE_EXTENSION_NAME);
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enabledDeviceExtensions.push_back(VK_KHR_CREATE_RENDERPASS_2_EXTENSION_NAME);
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enabledDeviceExtensions.push_back(VK_KHR_FRAGMENT_SHADING_RATE_EXTENSION_NAME);
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}
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VulkanExample::~VulkanExample()
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@ -40,10 +41,11 @@ void VulkanExample::getEnabledFeatures()
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{
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enabledFeatures.samplerAnisotropy = deviceFeatures.samplerAnisotropy;
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// POI
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enabledPhysicalDeviceShadingRateImageFeaturesNV = {};
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enabledPhysicalDeviceShadingRateImageFeaturesNV.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADING_RATE_IMAGE_FEATURES_NV;
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enabledPhysicalDeviceShadingRateImageFeaturesNV.shadingRateImage = VK_TRUE;
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deviceCreatepNextChain = &enabledPhysicalDeviceShadingRateImageFeaturesNV;
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enabledPhysicalDeviceShadingRateImageFeaturesKHR.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FRAGMENT_SHADING_RATE_FEATURES_KHR;
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enabledPhysicalDeviceShadingRateImageFeaturesKHR.attachmentFragmentShadingRate = VK_TRUE;
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enabledPhysicalDeviceShadingRateImageFeaturesKHR.pipelineFragmentShadingRate = VK_FALSE;
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enabledPhysicalDeviceShadingRateImageFeaturesKHR.primitiveFragmentShadingRate = VK_FALSE;
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deviceCreatepNextChain = &enabledPhysicalDeviceShadingRateImageFeaturesKHR;
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}
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/*
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@ -60,6 +62,146 @@ void VulkanExample::handleResize()
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resized = false;
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}
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void VulkanExample::setupFrameBuffer()
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{
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VkImageView attachments[3];
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// Depth/Stencil attachment is the same for all frame buffers
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attachments[1] = depthStencil.view;
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// Fragment shading rate attachment
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attachments[2] = shadingRateImage.view;
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VkFramebufferCreateInfo frameBufferCreateInfo{};
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frameBufferCreateInfo.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
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frameBufferCreateInfo.renderPass = renderPass;
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frameBufferCreateInfo.attachmentCount = 3;
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frameBufferCreateInfo.pAttachments = attachments;
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frameBufferCreateInfo.width = width;
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frameBufferCreateInfo.height = height;
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frameBufferCreateInfo.layers = 1;
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// Create frame buffers for every swap chain image
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frameBuffers.resize(swapChain.imageCount);
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for (uint32_t i = 0; i < frameBuffers.size(); i++)
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{
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attachments[0] = swapChain.buffers[i].view;
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VK_CHECK_RESULT(vkCreateFramebuffer(device, &frameBufferCreateInfo, nullptr, &frameBuffers[i]));
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}
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}
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void VulkanExample::setupRenderPass()
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{
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// Note that we need to use ...2KHR types in here, as fragment shading rate requires additional properties and structs to be passed at renderpass creation
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if (!vkCreateRenderPass2KHR) {
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vkCreateRenderPass2KHR = reinterpret_cast<PFN_vkCreateRenderPass2KHR>(vkGetInstanceProcAddr(instance, "vkCreateRenderPass2KHR"));
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}
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// Create an image with the shading rates to be used during rendering
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prepareShadingRateImage();
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std::array<VkAttachmentDescription2KHR, 3> attachments = {};
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// Color attachment
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attachments[0].sType = VK_STRUCTURE_TYPE_ATTACHMENT_DESCRIPTION_2;
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attachments[0].format = swapChain.colorFormat;
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attachments[0].samples = VK_SAMPLE_COUNT_1_BIT;
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attachments[0].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
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attachments[0].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
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attachments[0].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
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attachments[0].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
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attachments[0].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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attachments[0].finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
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// Depth attachment
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attachments[1].sType = VK_STRUCTURE_TYPE_ATTACHMENT_DESCRIPTION_2;
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attachments[1].format = depthFormat;
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attachments[1].samples = VK_SAMPLE_COUNT_1_BIT;
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attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
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attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
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attachments[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
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attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
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attachments[1].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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attachments[1].finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
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// Fragment shading rate attachment
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attachments[2].sType = VK_STRUCTURE_TYPE_ATTACHMENT_DESCRIPTION_2;
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attachments[2].format = VK_FORMAT_R8_UINT;
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attachments[2].samples = VK_SAMPLE_COUNT_1_BIT;
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attachments[2].loadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
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attachments[2].storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
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attachments[2].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
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attachments[2].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
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attachments[2].initialLayout = VK_IMAGE_LAYOUT_FRAGMENT_SHADING_RATE_ATTACHMENT_OPTIMAL_KHR;
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attachments[2].finalLayout = VK_IMAGE_LAYOUT_FRAGMENT_SHADING_RATE_ATTACHMENT_OPTIMAL_KHR;
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VkAttachmentReference2KHR colorReference = {};
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colorReference.sType = VK_STRUCTURE_TYPE_ATTACHMENT_REFERENCE_2;
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colorReference.attachment = 0;
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colorReference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
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colorReference.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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VkAttachmentReference2KHR depthReference = {};
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depthReference.sType = VK_STRUCTURE_TYPE_ATTACHMENT_REFERENCE_2;
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depthReference.attachment = 1;
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depthReference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
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depthReference.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT;
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// Setup the attachment reference for the shading rate image attachment in slot 2
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VkAttachmentReference2 fragmentShadingRateReference{};
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fragmentShadingRateReference.sType = VK_STRUCTURE_TYPE_ATTACHMENT_REFERENCE_2;
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fragmentShadingRateReference.attachment = 2;
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fragmentShadingRateReference.layout = VK_IMAGE_LAYOUT_FRAGMENT_SHADING_RATE_ATTACHMENT_OPTIMAL_KHR;
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// Setup the attachment info for the shading rate image, which will be added to the sub pass via structure chaining (in pNext)
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VkFragmentShadingRateAttachmentInfoKHR fragmentShadingRateAttachmentInfo{};
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fragmentShadingRateAttachmentInfo.sType = VK_STRUCTURE_TYPE_FRAGMENT_SHADING_RATE_ATTACHMENT_INFO_KHR;
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fragmentShadingRateAttachmentInfo.pFragmentShadingRateAttachment = &fragmentShadingRateReference;
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fragmentShadingRateAttachmentInfo.shadingRateAttachmentTexelSize.width = physicalDeviceShadingRateImageProperties.maxFragmentShadingRateAttachmentTexelSize.width;
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fragmentShadingRateAttachmentInfo.shadingRateAttachmentTexelSize.height = physicalDeviceShadingRateImageProperties.maxFragmentShadingRateAttachmentTexelSize.height;
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VkSubpassDescription2KHR subpassDescription = {};
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subpassDescription.sType = VK_STRUCTURE_TYPE_SUBPASS_DESCRIPTION_2;
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subpassDescription.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
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subpassDescription.colorAttachmentCount = 1;
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subpassDescription.pColorAttachments = &colorReference;
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subpassDescription.pDepthStencilAttachment = &depthReference;
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subpassDescription.inputAttachmentCount = 0;
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subpassDescription.pInputAttachments = nullptr;
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subpassDescription.preserveAttachmentCount = 0;
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subpassDescription.pPreserveAttachments = nullptr;
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subpassDescription.pResolveAttachments = nullptr;
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subpassDescription.pNext = &fragmentShadingRateAttachmentInfo;
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// Subpass dependencies for layout transitions
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std::array<VkSubpassDependency2KHR, 2> dependencies = {};
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dependencies[0].sType = VK_STRUCTURE_TYPE_SUBPASS_DEPENDENCY_2;
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dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL;
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dependencies[0].dstSubpass = 0;
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dependencies[0].srcStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
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dependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT;
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dependencies[0].srcAccessMask = VK_ACCESS_MEMORY_READ_BIT;
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dependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
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dependencies[0].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
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dependencies[1].sType = VK_STRUCTURE_TYPE_SUBPASS_DEPENDENCY_2;
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dependencies[1].srcSubpass = 0;
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dependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL;
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dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT;
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dependencies[1].dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
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dependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
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dependencies[1].dstAccessMask = VK_ACCESS_MEMORY_READ_BIT;
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dependencies[1].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
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VkRenderPassCreateInfo2KHR renderPassCI = {};
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renderPassCI.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO_2;
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renderPassCI.attachmentCount = static_cast<uint32_t>(attachments.size());
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renderPassCI.pAttachments = attachments.data();
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renderPassCI.subpassCount = 1;
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renderPassCI.pSubpasses = &subpassDescription;
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renderPassCI.dependencyCount = static_cast<uint32_t>(dependencies.size());
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renderPassCI.pDependencies = dependencies.data();
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VK_CHECK_RESULT(vkCreateRenderPass2KHR(device, &renderPassCI, nullptr, &renderPass));
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}
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void VulkanExample::buildCommandBuffers()
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{
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if (resized)
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@ -67,12 +209,17 @@ void VulkanExample::buildCommandBuffers()
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handleResize();
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}
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// As this is an extension, we need to manually load the extension pointers
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if (!vkCmdSetFragmentShadingRateKHR) {
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vkCmdSetFragmentShadingRateKHR = reinterpret_cast<PFN_vkCmdSetFragmentShadingRateKHR>(vkGetDeviceProcAddr(device, "vkCmdSetFragmentShadingRateKHR"));
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}
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VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
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VkClearValue clearValues[2];
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clearValues[0].color = defaultClearColor;
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VkClearValue clearValues[3];
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clearValues[0].color = { { 0.25f, 0.25f, 0.25f, 1.0f } };;
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clearValues[1].depthStencil = { 1.0f, 0 };
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clearValues[2].color = { {0.0f, 0.0f, 0.0f, 0.0f} };
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VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
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renderPassBeginInfo.renderPass = renderPass;
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@ -80,7 +227,7 @@ void VulkanExample::buildCommandBuffers()
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renderPassBeginInfo.renderArea.offset.y = 0;
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renderPassBeginInfo.renderArea.extent.width = width;
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renderPassBeginInfo.renderArea.extent.height = height;
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renderPassBeginInfo.clearValueCount = 2;
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renderPassBeginInfo.clearValueCount = 3;
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renderPassBeginInfo.pClearValues = clearValues;
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const VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
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@ -95,10 +242,25 @@ void VulkanExample::buildCommandBuffers()
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vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
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vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, nullptr);
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// POI: Bind the image that contains the shading rate patterns
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if (enableShadingRate) {
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vkCmdBindShadingRateImageNV(drawCmdBuffers[i], shadingRateImage.view, VK_IMAGE_LAYOUT_SHADING_RATE_OPTIMAL_NV);
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};
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// Set the fragment shading rate state for the current pipeline
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VkExtent2D fragmentSize = { 1, 1 };
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VkFragmentShadingRateCombinerOpKHR combinerOps[2];
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// The combiners determine how the different shading rate values for the pipeline, primitives and attachment are combined
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if (enableShadingRate)
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{
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// If shading rate from attachment is enabled, we set the combiner, so that the values from the attachment are used
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// Combiner for pipeline (A) and primitive (B) - Not used in this sample
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combinerOps[0] = VK_FRAGMENT_SHADING_RATE_COMBINER_OP_KEEP_KHR;
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// Combiner for pipeline (A) and attachment (B), replace the pipeline default value (fragment_size) with the fragment sizes stored in the attachment
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combinerOps[1] = VK_FRAGMENT_SHADING_RATE_COMBINER_OP_REPLACE_KHR;
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}
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else
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{
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// If shading rate from attachment is disabled, we keep the value set via the dynamic state
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combinerOps[0] = VK_FRAGMENT_SHADING_RATE_COMBINER_OP_KEEP_KHR;
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combinerOps[1] = VK_FRAGMENT_SHADING_RATE_COMBINER_OP_KEEP_KHR;
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}
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vkCmdSetFragmentShadingRateKHR(drawCmdBuffers[i], &fragmentSize, combinerOps);
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// Render the scene
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Pipelines& pipelines = enableShadingRate ? shadingRatePipelines : basePipelines;
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@ -155,17 +317,38 @@ void VulkanExample::setupDescriptors()
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// [POI]
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void VulkanExample::prepareShadingRateImage()
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{
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// As this is an extension, we need to manually load the extension pointers
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if (!vkGetPhysicalDeviceFragmentShadingRatesKHR) {
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vkGetPhysicalDeviceFragmentShadingRatesKHR = reinterpret_cast<PFN_vkGetPhysicalDeviceFragmentShadingRatesKHR>(vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceFragmentShadingRatesKHR"));
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}
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// Get properties of this extensions, which also contains texel sizes required to setup the image
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physicalDeviceShadingRateImageProperties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FRAGMENT_SHADING_RATE_PROPERTIES_KHR;
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VkPhysicalDeviceProperties2 deviceProperties2{};
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deviceProperties2.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
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deviceProperties2.pNext = &physicalDeviceShadingRateImageProperties;
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vkGetPhysicalDeviceProperties2(physicalDevice, &deviceProperties2);
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// We need to check if the requested format for the shading rate attachment supports the required flag
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const VkFormat imageFormat = VK_FORMAT_R8_UINT;
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VkFormatProperties formatProperties;
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vkGetPhysicalDeviceFormatProperties(physicalDevice, imageFormat, &formatProperties);
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if (!(formatProperties.optimalTilingFeatures & VK_FORMAT_FEATURE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR))
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{
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throw std::runtime_error("Selected shading rate attachment image format does not fragment shading rate");
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}
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// Shading rate image size depends on shading rate texel size
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// For each texel in the target image, there is a corresponding shading texel size width x height block in the shading rate image
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VkExtent3D imageExtent{};
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imageExtent.width = static_cast<uint32_t>(ceil(width / (float)physicalDeviceShadingRateImagePropertiesNV.shadingRateTexelSize.width));
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imageExtent.height = static_cast<uint32_t>(ceil(height / (float)physicalDeviceShadingRateImagePropertiesNV.shadingRateTexelSize.height));
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imageExtent.width = static_cast<uint32_t>(ceil(width / (float)physicalDeviceShadingRateImageProperties.maxFragmentShadingRateAttachmentTexelSize.width));
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imageExtent.height = static_cast<uint32_t>(ceil(height / (float)physicalDeviceShadingRateImageProperties.maxFragmentShadingRateAttachmentTexelSize.height));
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imageExtent.depth = 1;
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VkImageCreateInfo imageCI{};
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imageCI.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
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imageCI.imageType = VK_IMAGE_TYPE_2D;
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imageCI.format = VK_FORMAT_R8_UINT;
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imageCI.format = imageFormat;
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imageCI.extent = imageExtent;
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imageCI.mipLevels = 1;
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imageCI.arrayLayers = 1;
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@ -173,13 +356,11 @@ void VulkanExample::prepareShadingRateImage()
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imageCI.tiling = VK_IMAGE_TILING_OPTIMAL;
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imageCI.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
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imageCI.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
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imageCI.usage = VK_IMAGE_USAGE_SHADING_RATE_IMAGE_BIT_NV | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
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imageCI.usage = VK_IMAGE_USAGE_FRAGMENT_SHADING_RATE_ATTACHMENT_BIT_KHR | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
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VK_CHECK_RESULT(vkCreateImage(device, &imageCI, nullptr, &shadingRateImage.image));
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VkMemoryRequirements memReqs{};
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vkGetImageMemoryRequirements(device, shadingRateImage.image, &memReqs);
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VkDeviceSize bufferSize = imageExtent.width * imageExtent.height * sizeof(uint8_t);
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VkMemoryAllocateInfo memAllloc{};
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memAllloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
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memAllloc.allocationSize = memReqs.size;
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@ -199,26 +380,47 @@ void VulkanExample::prepareShadingRateImage()
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imageViewCI.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
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VK_CHECK_RESULT(vkCreateImageView(device, &imageViewCI, nullptr, &shadingRateImage.view));
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// Populate with lowest possible shading rate pattern
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uint8_t val = VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_4X4_PIXELS_NV;
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// The shading rates are stored in a buffer that'll be copied to the shading rate image
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VkDeviceSize bufferSize = imageExtent.width * imageExtent.height * sizeof(uint8_t);
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// Fragment sizes are encoded in a single texel as follows:
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// size(w) = 2^((texel/4) & 3)
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// size(h)h = 2^(texel & 3)
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// Populate it with the lowest possible shading rate
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uint8_t val = (4 >> 1) | (4 << 1);
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uint8_t* shadingRatePatternData = new uint8_t[bufferSize];
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memset(shadingRatePatternData, val, bufferSize);
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// Create a circular pattern with decreasing sampling rates outwards (max. range, pattern)
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std::map<float, VkShadingRatePaletteEntryNV> patternLookup = {
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{ 8.0f, VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_PIXEL_NV },
|
||||
{ 12.0f, VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_2X1_PIXELS_NV },
|
||||
{ 16.0f, VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_1X2_PIXELS_NV },
|
||||
{ 18.0f, VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_2X2_PIXELS_NV },
|
||||
{ 20.0f, VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_4X2_PIXELS_NV },
|
||||
{ 24.0f, VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_2X4_PIXELS_NV }
|
||||
};
|
||||
// Get a list of available shading rate patterns
|
||||
std::vector<VkPhysicalDeviceFragmentShadingRateKHR> fragmentShadingRates{};
|
||||
uint32_t fragmentShadingRatesCount = 0;
|
||||
vkGetPhysicalDeviceFragmentShadingRatesKHR(physicalDevice, &fragmentShadingRatesCount, nullptr);
|
||||
if (fragmentShadingRatesCount > 0) {
|
||||
fragmentShadingRates.resize(fragmentShadingRatesCount);
|
||||
for (VkPhysicalDeviceFragmentShadingRateKHR& fragmentShadingRate : fragmentShadingRates) {
|
||||
// In addition to the value, we also need to set the sType for each rate to comply with the spec or else the call to vkGetPhysicalDeviceFragmentShadingRatesKHR will result in undefined behaviour
|
||||
fragmentShadingRate.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FRAGMENT_SHADING_RATE_KHR;
|
||||
}
|
||||
vkGetPhysicalDeviceFragmentShadingRatesKHR(physicalDevice, &fragmentShadingRatesCount, fragmentShadingRates.data());
|
||||
}
|
||||
// Create a circular pattern from the available list of fragment shading rates with decreasing sampling rates outwards (max. range, pattern)
|
||||
// Shading rates returned by vkGetPhysicalDeviceFragmentShadingRatesKHR are ordered from largest to smallest
|
||||
std::map<float, uint8_t> patternLookup{};
|
||||
float range = 25.0f / static_cast<uint32_t>(fragmentShadingRates.size());
|
||||
float currentRange = 8.0f;
|
||||
for (size_t i = fragmentShadingRates.size() - 1; i > 0; i--) {
|
||||
uint32_t rate_v = fragmentShadingRates[i].fragmentSize.width == 1 ? 0 : (fragmentShadingRates[i].fragmentSize.width >> 1);
|
||||
uint32_t rate_h = fragmentShadingRates[i].fragmentSize.height == 1 ? 0 : (fragmentShadingRates[i].fragmentSize.height << 1);
|
||||
patternLookup[currentRange] = rate_v | rate_h;
|
||||
currentRange += range;
|
||||
}
|
||||
|
||||
uint8_t* ptrData = shadingRatePatternData;
|
||||
for (uint32_t y = 0; y < imageExtent.height; y++) {
|
||||
for (uint32_t x = 0; x < imageExtent.width; x++) {
|
||||
const float deltaX = (float)imageExtent.width / 2.0f - (float)x;
|
||||
const float deltaY = ((float)imageExtent.height / 2.0f - (float)y) * ((float)width / (float)height);
|
||||
const float deltaX = (static_cast<float>(imageExtent.width) / 2.0f - static_cast<float>(x)) / imageExtent.width * 100.0f;
|
||||
const float deltaY = (static_cast<float>(imageExtent.height) / 2.0f - static_cast<float>(y)) / imageExtent.height * 100.0f;
|
||||
const float dist = std::sqrt(deltaX * deltaX + deltaY * deltaY);
|
||||
for (auto pattern : patternLookup) {
|
||||
if (dist < pattern.first) {
|
||||
|
|
@ -230,6 +432,8 @@ void VulkanExample::prepareShadingRateImage()
|
|||
}
|
||||
}
|
||||
|
||||
// Copy the shading rate pattern to the shading rate image
|
||||
|
||||
VkBuffer stagingBuffer;
|
||||
VkDeviceMemory stagingMemory;
|
||||
|
||||
|
|
@ -283,7 +487,7 @@ void VulkanExample::prepareShadingRateImage()
|
|||
VkImageMemoryBarrier imageMemoryBarrier{};
|
||||
imageMemoryBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
|
||||
imageMemoryBarrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
|
||||
imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_SHADING_RATE_OPTIMAL_NV;
|
||||
imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_FRAGMENT_SHADING_RATE_ATTACHMENT_OPTIMAL_KHR;
|
||||
imageMemoryBarrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
|
||||
imageMemoryBarrier.dstAccessMask = 0;
|
||||
imageMemoryBarrier.image = shadingRateImage.image;
|
||||
|
|
@ -305,7 +509,7 @@ void VulkanExample::preparePipelines()
|
|||
VkPipelineDepthStencilStateCreateInfo depthStencilStateCI = vks::initializers::pipelineDepthStencilStateCreateInfo(VK_TRUE, VK_TRUE, VK_COMPARE_OP_LESS_OR_EQUAL);
|
||||
VkPipelineViewportStateCreateInfo viewportStateCI = vks::initializers::pipelineViewportStateCreateInfo(1, 1, 0);
|
||||
VkPipelineMultisampleStateCreateInfo multisampleStateCI = vks::initializers::pipelineMultisampleStateCreateInfo(VK_SAMPLE_COUNT_1_BIT, 0);
|
||||
const std::vector<VkDynamicState> dynamicStateEnables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR };
|
||||
const std::vector<VkDynamicState> dynamicStateEnables = { VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR, VK_DYNAMIC_STATE_FRAGMENT_SHADING_RATE_KHR };
|
||||
VkPipelineDynamicStateCreateInfo dynamicStateCI = vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables.data(), static_cast<uint32_t>(dynamicStateEnables.size()), 0);
|
||||
std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages;
|
||||
|
||||
|
|
@ -346,31 +550,6 @@ void VulkanExample::preparePipelines()
|
|||
rasterizationStateCI.cullMode = VK_CULL_MODE_BACK_BIT;
|
||||
specializationData.alphaMask = false;
|
||||
|
||||
// Create pipeline with shading rate enabled
|
||||
// [POI] Possible per-Viewport shading rate palette entries
|
||||
const std::vector<VkShadingRatePaletteEntryNV> shadingRatePaletteEntries = {
|
||||
VK_SHADING_RATE_PALETTE_ENTRY_NO_INVOCATIONS_NV,
|
||||
VK_SHADING_RATE_PALETTE_ENTRY_16_INVOCATIONS_PER_PIXEL_NV,
|
||||
VK_SHADING_RATE_PALETTE_ENTRY_8_INVOCATIONS_PER_PIXEL_NV,
|
||||
VK_SHADING_RATE_PALETTE_ENTRY_4_INVOCATIONS_PER_PIXEL_NV,
|
||||
VK_SHADING_RATE_PALETTE_ENTRY_2_INVOCATIONS_PER_PIXEL_NV,
|
||||
VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_PIXEL_NV,
|
||||
VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_2X1_PIXELS_NV,
|
||||
VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_1X2_PIXELS_NV,
|
||||
VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_2X2_PIXELS_NV,
|
||||
VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_4X2_PIXELS_NV,
|
||||
VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_2X4_PIXELS_NV,
|
||||
VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_4X4_PIXELS_NV,
|
||||
};
|
||||
VkShadingRatePaletteNV shadingRatePalette{};
|
||||
shadingRatePalette.shadingRatePaletteEntryCount = static_cast<uint32_t>(shadingRatePaletteEntries.size());
|
||||
shadingRatePalette.pShadingRatePaletteEntries = shadingRatePaletteEntries.data();
|
||||
VkPipelineViewportShadingRateImageStateCreateInfoNV pipelineViewportShadingRateImageStateCI{};
|
||||
pipelineViewportShadingRateImageStateCI.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_SHADING_RATE_IMAGE_STATE_CREATE_INFO_NV;
|
||||
pipelineViewportShadingRateImageStateCI.shadingRateImageEnable = VK_TRUE;
|
||||
pipelineViewportShadingRateImageStateCI.viewportCount = 1;
|
||||
pipelineViewportShadingRateImageStateCI.pShadingRatePalettes = &shadingRatePalette;
|
||||
viewportStateCI.pNext = &pipelineViewportShadingRateImageStateCI;
|
||||
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &shadingRatePipelines.opaque));
|
||||
specializationData.alphaMask = true;
|
||||
rasterizationStateCI.cullMode = VK_CULL_MODE_NONE;
|
||||
|
|
@ -401,16 +580,6 @@ void VulkanExample::prepare()
|
|||
{
|
||||
VulkanExampleBase::prepare();
|
||||
loadAssets();
|
||||
|
||||
// [POI]
|
||||
vkCmdBindShadingRateImageNV = reinterpret_cast<PFN_vkCmdBindShadingRateImageNV>(vkGetDeviceProcAddr(device, "vkCmdBindShadingRateImageNV"));
|
||||
physicalDeviceShadingRateImagePropertiesNV.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADING_RATE_IMAGE_PROPERTIES_NV;
|
||||
VkPhysicalDeviceProperties2 deviceProperties2{};
|
||||
deviceProperties2.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2;
|
||||
deviceProperties2.pNext = &physicalDeviceShadingRateImagePropertiesNV;
|
||||
vkGetPhysicalDeviceProperties2(physicalDevice, &deviceProperties2);
|
||||
|
||||
prepareShadingRateImage();
|
||||
prepareUniformBuffers();
|
||||
setupDescriptors();
|
||||
preparePipelines();
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
/*
|
||||
* Vulkan Example - Variable rate shading
|
||||
*
|
||||
* Copyright (C) 2020 by Sascha Willems - www.saschawillems.de
|
||||
* Copyright (C) 2020-2023 by Sascha Willems - www.saschawillems.de
|
||||
*
|
||||
* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
|
||||
*/
|
||||
|
|
@ -49,9 +49,12 @@ public:
|
|||
VkDescriptorSet descriptorSet;
|
||||
VkDescriptorSetLayout descriptorSetLayout;
|
||||
|
||||
VkPhysicalDeviceShadingRateImagePropertiesNV physicalDeviceShadingRateImagePropertiesNV{};
|
||||
VkPhysicalDeviceShadingRateImageFeaturesNV enabledPhysicalDeviceShadingRateImageFeaturesNV{};
|
||||
PFN_vkCmdBindShadingRateImageNV vkCmdBindShadingRateImageNV;
|
||||
VkPhysicalDeviceFragmentShadingRatePropertiesKHR physicalDeviceShadingRateImageProperties{};
|
||||
VkPhysicalDeviceFragmentShadingRateFeaturesKHR enabledPhysicalDeviceShadingRateImageFeaturesKHR{};
|
||||
|
||||
PFN_vkGetPhysicalDeviceFragmentShadingRatesKHR vkGetPhysicalDeviceFragmentShadingRatesKHR{ nullptr };
|
||||
PFN_vkCmdSetFragmentShadingRateKHR vkCmdSetFragmentShadingRateKHR{ nullptr };
|
||||
PFN_vkCreateRenderPass2KHR vkCreateRenderPass2KHR{ nullptr };
|
||||
|
||||
VulkanExample();
|
||||
~VulkanExample();
|
||||
|
|
@ -66,6 +69,8 @@ public:
|
|||
void prepareUniformBuffers();
|
||||
void updateUniformBuffers();
|
||||
void prepare();
|
||||
void setupFrameBuffer() override;
|
||||
void setupRenderPass() override;
|
||||
virtual void render();
|
||||
virtual void OnUpdateUIOverlay(vks::UIOverlay* overlay);
|
||||
};
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
#version 450
|
||||
|
||||
#extension GL_NV_shading_rate_image : require
|
||||
#extension GL_EXT_fragment_shading_rate : require
|
||||
|
||||
layout (set = 1, binding = 0) uniform sampler2D samplerColorMap;
|
||||
layout (set = 1, binding = 1) uniform sampler2D samplerNormalMap;
|
||||
|
|
@ -52,33 +52,34 @@ void main()
|
|||
outFragColor = vec4(diffuse * color.rgb + specular, color.a);
|
||||
|
||||
if (uboScene.colorShadingRates == 1) {
|
||||
if (gl_FragmentSizeNV.x == 1 && gl_FragmentSizeNV.y == 1) {
|
||||
outFragColor.rgb *= vec3(0.0, 0.8, 0.4);
|
||||
return;
|
||||
int v = 1;
|
||||
int h = 1;
|
||||
|
||||
if ((gl_ShadingRateEXT & gl_ShadingRateFlag2VerticalPixelsEXT) == gl_ShadingRateFlag2VerticalPixelsEXT) {
|
||||
v = 2;
|
||||
}
|
||||
if (gl_FragmentSizeNV.x == 2 && gl_FragmentSizeNV.y == 1) {
|
||||
outFragColor.rgb *= vec3(0.2, 0.6, 1.0);
|
||||
return;
|
||||
if ((gl_ShadingRateEXT & gl_ShadingRateFlag4VerticalPixelsEXT) == gl_ShadingRateFlag4VerticalPixelsEXT) {
|
||||
v = 4;
|
||||
}
|
||||
if (gl_FragmentSizeNV.x == 1 && gl_FragmentSizeNV.y == 2) {
|
||||
outFragColor.rgb *= vec3(0.0, 0.4, 0.8);
|
||||
return;
|
||||
if ((gl_ShadingRateEXT & gl_ShadingRateFlag2HorizontalPixelsEXT) == gl_ShadingRateFlag2HorizontalPixelsEXT) {
|
||||
h = 2;
|
||||
}
|
||||
if (gl_FragmentSizeNV.x == 2 && gl_FragmentSizeNV.y == 2) {
|
||||
outFragColor.rgb *= vec3(1.0, 1.0, 0.2);
|
||||
return;
|
||||
}
|
||||
if (gl_FragmentSizeNV.x == 4 && gl_FragmentSizeNV.y == 2) {
|
||||
outFragColor.rgb *= vec3(0.8, 0.8, 0.0);
|
||||
return;
|
||||
}
|
||||
if (gl_FragmentSizeNV.x == 2 && gl_FragmentSizeNV.y == 4) {
|
||||
outFragColor.rgb *= vec3(1.0, 0.4, 0.2);
|
||||
return;
|
||||
}
|
||||
if (gl_FragmentSizeNV.x == 4 && gl_FragmentSizeNV.y == 4) {
|
||||
outFragColor.rgb *= vec3(0.8, 0.0, 0.0);
|
||||
return;
|
||||
if ((gl_ShadingRateEXT & gl_ShadingRateFlag4HorizontalPixelsEXT) == gl_ShadingRateFlag4HorizontalPixelsEXT) {
|
||||
h = 4;
|
||||
}
|
||||
|
||||
if (v == 1 && h == 1) { outFragColor *= vec4(0.0, 0.8, 0.4, 1.0); return; }
|
||||
|
||||
if (v == 2 && h == 1) { outFragColor *= vec4(0.2, 0.6, 1.0, 1.0); return; }
|
||||
|
||||
if (v == 1 && h == 2) { outFragColor *= vec4(0.0, 0.4, 0.8, 1.0); return; }
|
||||
|
||||
if (v == 2 && h == 2) { outFragColor *= vec4(1.0, 1.0, 0.2, 1.0); return; }
|
||||
|
||||
if (v == 4 && h == 2) { outFragColor *= vec4(0.8, 0.8, 0.0, 1.0); return; }
|
||||
|
||||
if (v == 2 && h == 4) { outFragColor *= vec4(1.0, 0.4, 0.2, 1.0); return; }
|
||||
|
||||
outFragColor *= vec4(0.0, 0.8, 0.4, 1.0);
|
||||
}
|
||||
}
|
||||
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