Started work on variable rate shading sample
This commit is contained in:
Sascha Willems
parent
dcdabb9b12
commit
9d0fd8ce5a
5 changed files with 471 additions and 0 deletions
43
data/shaders/glsl/variablerateshading/scene.frag
Normal file
43
data/shaders/glsl/variablerateshading/scene.frag
Normal file
|
|
@ -0,0 +1,43 @@
|
|||
#version 450
|
||||
|
||||
#extension GL_NV_shading_rate_image : require
|
||||
|
||||
layout (set = 1, binding = 0) uniform sampler2D samplerColorMap;
|
||||
layout (set = 1, binding = 1) uniform sampler2D samplerNormalMap;
|
||||
|
||||
layout (location = 0) in vec3 inNormal;
|
||||
layout (location = 1) in vec3 inColor;
|
||||
layout (location = 2) in vec2 inUV;
|
||||
layout (location = 3) in vec3 inViewVec;
|
||||
layout (location = 4) in vec3 inLightVec;
|
||||
layout (location = 5) in vec4 inTangent;
|
||||
|
||||
layout (location = 0) out vec4 outFragColor;
|
||||
|
||||
layout (constant_id = 0) const bool ALPHA_MASK = false;
|
||||
layout (constant_id = 1) const float ALPHA_MASK_CUTOFF = 0.0f;
|
||||
|
||||
void main()
|
||||
{
|
||||
vec4 color = texture(samplerColorMap, inUV) * vec4(inColor, 1.0);
|
||||
|
||||
if (ALPHA_MASK) {
|
||||
if (color.a < ALPHA_MASK_CUTOFF) {
|
||||
discard;
|
||||
}
|
||||
}
|
||||
|
||||
vec3 N = normalize(inNormal);
|
||||
vec3 T = normalize(inTangent.xyz);
|
||||
vec3 B = cross(inNormal, inTangent.xyz) * inTangent.w;
|
||||
mat3 TBN = mat3(T, B, N);
|
||||
N = TBN * normalize(texture(samplerNormalMap, inUV).xyz * 2.0 - vec3(1.0));
|
||||
|
||||
const float ambient = 0.1;
|
||||
vec3 L = normalize(inLightVec);
|
||||
vec3 V = normalize(inViewVec);
|
||||
vec3 R = reflect(-L, N);
|
||||
vec3 diffuse = max(dot(N, L), ambient).rrr;
|
||||
float specular = pow(max(dot(R, V), 0.0), 32.0);
|
||||
outFragColor = vec4(diffuse * color.rgb + specular, color.a);
|
||||
}
|
||||
37
data/shaders/glsl/variablerateshading/scene.vert
Normal file
37
data/shaders/glsl/variablerateshading/scene.vert
Normal file
|
|
@ -0,0 +1,37 @@
|
|||
#version 450
|
||||
|
||||
layout (location = 0) in vec3 inPos;
|
||||
layout (location = 1) in vec3 inNormal;
|
||||
layout (location = 2) in vec2 inUV;
|
||||
layout (location = 3) in vec3 inColor;
|
||||
layout (location = 4) in vec4 inTangent;
|
||||
|
||||
layout (set = 0, binding = 0) uniform UBOScene
|
||||
{
|
||||
mat4 projection;
|
||||
mat4 view;
|
||||
mat4 model;
|
||||
vec4 lightPos;
|
||||
vec4 viewPos;
|
||||
} uboScene;
|
||||
|
||||
layout (location = 0) out vec3 outNormal;
|
||||
layout (location = 1) out vec3 outColor;
|
||||
layout (location = 2) out vec2 outUV;
|
||||
layout (location = 3) out vec3 outViewVec;
|
||||
layout (location = 4) out vec3 outLightVec;
|
||||
layout (location = 5) out vec4 outTangent;
|
||||
|
||||
void main()
|
||||
{
|
||||
outNormal = inNormal;
|
||||
outColor = inColor;
|
||||
outUV = inUV;
|
||||
outTangent = inTangent;
|
||||
gl_Position = uboScene.projection * uboScene.view * uboScene.model * vec4(inPos.xyz, 1.0);
|
||||
|
||||
outNormal = mat3(uboScene.model) * inNormal;
|
||||
vec4 pos = uboScene.model * vec4(inPos, 1.0);
|
||||
outLightVec = uboScene.lightPos.xyz - pos.xyz;
|
||||
outViewVec = uboScene.viewPos.xyz - pos.xyz;
|
||||
}
|
||||
|
|
@ -122,6 +122,7 @@ set(EXAMPLES
|
|||
texturemipmapgen
|
||||
texturesparseresidency
|
||||
triangle
|
||||
variablerateshading
|
||||
viewportarray
|
||||
vulkanscene
|
||||
)
|
||||
|
|
|
|||
332
examples/variablerateshading/variablerateshading.cpp
Normal file
332
examples/variablerateshading/variablerateshading.cpp
Normal file
|
|
@ -0,0 +1,332 @@
|
|||
/*
|
||||
* Vulkan Example - Variable rate shading
|
||||
*
|
||||
* Copyright (C) 2020 by Sascha Willems - www.saschawillems.de
|
||||
*
|
||||
* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
|
||||
*/
|
||||
|
||||
#include "variablerateshading.h"
|
||||
|
||||
VulkanExample::VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
|
||||
{
|
||||
title = "Variable rate shading";
|
||||
apiVersion = VK_VERSION_1_1;
|
||||
camera.type = Camera::CameraType::firstperson;
|
||||
camera.setPosition(glm::vec3(0.0f, 1.0f, 0.0f));
|
||||
camera.setRotation(glm::vec3(0.0f, -90.0f, 0.0f));
|
||||
camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 256.0f);
|
||||
settings.overlay = true;
|
||||
enabledInstanceExtensions.push_back(VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME);
|
||||
enabledDeviceExtensions.push_back(VK_NV_SHADING_RATE_IMAGE_EXTENSION_NAME);
|
||||
}
|
||||
|
||||
VulkanExample::~VulkanExample()
|
||||
{
|
||||
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
|
||||
shaderData.buffer.destroy();
|
||||
}
|
||||
|
||||
void VulkanExample::getEnabledFeatures()
|
||||
{
|
||||
enabledFeatures.samplerAnisotropy = deviceFeatures.samplerAnisotropy;
|
||||
// POI
|
||||
enabledPhysicalDeviceShadingRateImageFeaturesNV = {};
|
||||
enabledPhysicalDeviceShadingRateImageFeaturesNV.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADING_RATE_IMAGE_FEATURES_NV;
|
||||
enabledPhysicalDeviceShadingRateImageFeaturesNV.shadingRateImage = VK_TRUE;
|
||||
// @todo
|
||||
deviceCreatepNextChain = &enabledPhysicalDeviceShadingRateImageFeaturesNV;
|
||||
}
|
||||
|
||||
void VulkanExample::buildCommandBuffers()
|
||||
{
|
||||
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
|
||||
|
||||
VkClearValue clearValues[2];
|
||||
clearValues[0].color = defaultClearColor;
|
||||
clearValues[0].color = { { 0.25f, 0.25f, 0.25f, 1.0f } };;
|
||||
clearValues[1].depthStencil = { 1.0f, 0 };
|
||||
|
||||
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
|
||||
renderPassBeginInfo.renderPass = renderPass;
|
||||
renderPassBeginInfo.renderArea.offset.x = 0;
|
||||
renderPassBeginInfo.renderArea.offset.y = 0;
|
||||
renderPassBeginInfo.renderArea.extent.width = width;
|
||||
renderPassBeginInfo.renderArea.extent.height = height;
|
||||
renderPassBeginInfo.clearValueCount = 2;
|
||||
renderPassBeginInfo.pClearValues = clearValues;
|
||||
|
||||
const VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
|
||||
const VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
|
||||
|
||||
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
|
||||
{
|
||||
renderPassBeginInfo.framebuffer = frameBuffers[i];
|
||||
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
|
||||
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
|
||||
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
|
||||
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
|
||||
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
|
||||
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, nullptr);
|
||||
|
||||
// POI: todo
|
||||
vkCmdBindShadingRateImageNV(drawCmdBuffers[i], shadingRateImage.view, VK_IMAGE_LAYOUT_SHADING_RATE_OPTIMAL_NV);
|
||||
|
||||
scene.draw(drawCmdBuffers[i], vkglTF::RenderFlags::BindImages, pipelineLayout);
|
||||
|
||||
drawUI(drawCmdBuffers[i]);
|
||||
vkCmdEndRenderPass(drawCmdBuffers[i]);
|
||||
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
|
||||
}
|
||||
}
|
||||
|
||||
void VulkanExample::loadAssets()
|
||||
{
|
||||
vkglTF::descriptorBindingFlags = vkglTF::DescriptorBindingFlags::ImageBaseColor | vkglTF::DescriptorBindingFlags::ImageNormalMap;
|
||||
scene.loadFromFile(getAssetPath() + "models/sponza/sponza.gltf", vulkanDevice, queue, vkglTF::FileLoadingFlags::PreTransformVertices | vkglTF::FileLoadingFlags::FlipY);
|
||||
}
|
||||
|
||||
void VulkanExample::setupDescriptors()
|
||||
{
|
||||
// Pool
|
||||
const std::vector<VkDescriptorPoolSize> poolSizes = {
|
||||
vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1),
|
||||
};
|
||||
VkDescriptorPoolCreateInfo descriptorPoolInfo = vks::initializers::descriptorPoolCreateInfo(poolSizes, 1);
|
||||
VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
|
||||
|
||||
// Descriptor set layout
|
||||
const std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
|
||||
vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 0),
|
||||
};
|
||||
VkDescriptorSetLayoutCreateInfo descriptorLayout = vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
|
||||
VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
|
||||
|
||||
// Pipeline layout
|
||||
const std::vector<VkDescriptorSetLayout> setLayouts = {
|
||||
descriptorSetLayout,
|
||||
vkglTF::descriptorSetLayoutImage,
|
||||
};
|
||||
VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = vks::initializers::pipelineLayoutCreateInfo(setLayouts.data(), 2);
|
||||
VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout));
|
||||
|
||||
// Descriptor set
|
||||
VkDescriptorSetAllocateInfo allocInfo = vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayout, 1);
|
||||
VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
|
||||
std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
|
||||
vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &shaderData.buffer.descriptor),
|
||||
};
|
||||
vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
|
||||
}
|
||||
|
||||
// [POI]
|
||||
void VulkanExample::prepareShadingRateImage()
|
||||
{
|
||||
VkImageCreateInfo imageCI{};
|
||||
imageCI.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
|
||||
imageCI.imageType = VK_IMAGE_TYPE_2D;
|
||||
imageCI.format = VK_FORMAT_R8_UINT;
|
||||
imageCI.extent = { 512, 512, 1 };
|
||||
imageCI.mipLevels = 1;
|
||||
imageCI.arrayLayers = 1;
|
||||
imageCI.samples = VK_SAMPLE_COUNT_1_BIT;
|
||||
imageCI.tiling = VK_IMAGE_TILING_OPTIMAL;
|
||||
imageCI.usage = VK_IMAGE_USAGE_SHADING_RATE_IMAGE_BIT_NV | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
|
||||
VK_CHECK_RESULT(vkCreateImage(device, &imageCI, nullptr, &shadingRateImage.image));
|
||||
VkMemoryRequirements memReqs{};
|
||||
vkGetImageMemoryRequirements(device, shadingRateImage.image, &memReqs);
|
||||
|
||||
VkMemoryAllocateInfo memAllloc{};
|
||||
memAllloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
|
||||
memAllloc.allocationSize = memReqs.size;
|
||||
memAllloc.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
|
||||
VK_CHECK_RESULT(vkAllocateMemory(device, &memAllloc, nullptr, &shadingRateImage.memory));
|
||||
VK_CHECK_RESULT(vkBindImageMemory(device, shadingRateImage.image, shadingRateImage.memory, 0));
|
||||
|
||||
VkImageViewCreateInfo imageViewCI{};
|
||||
imageViewCI.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
|
||||
imageViewCI.viewType = VK_IMAGE_VIEW_TYPE_2D;
|
||||
imageViewCI.image = shadingRateImage.image;
|
||||
imageViewCI.format = VK_FORMAT_R8_UINT;
|
||||
imageViewCI.subresourceRange.baseMipLevel = 0;
|
||||
imageViewCI.subresourceRange.levelCount = 1;
|
||||
imageViewCI.subresourceRange.baseArrayLayer = 0;
|
||||
imageViewCI.subresourceRange.layerCount = 1;
|
||||
imageViewCI.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
VK_CHECK_RESULT(vkCreateImageView(device, &imageViewCI, nullptr, &shadingRateImage.view));
|
||||
|
||||
// Populate with shading rate pattern
|
||||
const size_t bufferSize = 512 * 512 * sizeof(uint8_t);
|
||||
uint8_t val = VK_SHADING_RATE_PALETTE_ENTRY_1_INVOCATION_PER_PIXEL_NV;
|
||||
uint8_t* shadingRatePatternData = new uint8_t[512 * 512];
|
||||
memset(shadingRatePatternData, val, bufferSize);
|
||||
|
||||
VkBuffer stagingBuffer;
|
||||
VkDeviceMemory stagingMemory;
|
||||
|
||||
VkBufferCreateInfo bufferCreateInfo{};
|
||||
bufferCreateInfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
|
||||
bufferCreateInfo.size = bufferSize;
|
||||
bufferCreateInfo.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
|
||||
bufferCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
|
||||
VK_CHECK_RESULT(vkCreateBuffer(device, &bufferCreateInfo, nullptr, &stagingBuffer));
|
||||
VkMemoryAllocateInfo memAllocInfo{};
|
||||
memAllocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
|
||||
memReqs = {};
|
||||
vkGetBufferMemoryRequirements(device, stagingBuffer, &memReqs);
|
||||
memAllocInfo.allocationSize = memReqs.size;
|
||||
memAllocInfo.memoryTypeIndex = vulkanDevice->getMemoryType(memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
|
||||
VK_CHECK_RESULT(vkAllocateMemory(device, &memAllocInfo, nullptr, &stagingMemory));
|
||||
VK_CHECK_RESULT(vkBindBufferMemory(device, stagingBuffer, stagingMemory, 0));
|
||||
|
||||
uint8_t* mapped;
|
||||
VK_CHECK_RESULT(vkMapMemory(device, stagingMemory, 0, memReqs.size, 0, (void**)&mapped));
|
||||
memcpy(mapped, shadingRatePatternData, bufferSize);
|
||||
vkUnmapMemory(device, stagingMemory);
|
||||
|
||||
delete[] shadingRatePatternData;
|
||||
|
||||
// Upload
|
||||
VkCommandBuffer copyCmd = vulkanDevice->createCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY, true);
|
||||
VkImageSubresourceRange subresourceRange = {};
|
||||
subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
subresourceRange.levelCount = 1;
|
||||
subresourceRange.layerCount = 1;
|
||||
{
|
||||
VkImageMemoryBarrier imageMemoryBarrier{};
|
||||
imageMemoryBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER;
|
||||
imageMemoryBarrier.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
|
||||
imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
|
||||
imageMemoryBarrier.srcAccessMask = 0;
|
||||
imageMemoryBarrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
|
||||
imageMemoryBarrier.image = shadingRateImage.image;
|
||||
imageMemoryBarrier.subresourceRange = subresourceRange;
|
||||
vkCmdPipelineBarrier(copyCmd, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, nullptr, 0, nullptr, 1, &imageMemoryBarrier);
|
||||
}
|
||||
VkBufferImageCopy bufferCopyRegion{};
|
||||
bufferCopyRegion.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
|
||||
bufferCopyRegion.imageSubresource.layerCount = 1;
|
||||
bufferCopyRegion.imageExtent.width = 512;
|
||||
bufferCopyRegion.imageExtent.height = 512;
|
||||
bufferCopyRegion.imageExtent.depth = 1;
|
||||
vkCmdCopyBufferToImage(copyCmd, stagingBuffer, shadingRateImage.image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &bufferCopyRegion);
|
||||
{
|
||||
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.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT;
|
||||
imageMemoryBarrier.dstAccessMask = 0;
|
||||
imageMemoryBarrier.image = shadingRateImage.image;
|
||||
imageMemoryBarrier.subresourceRange = subresourceRange;
|
||||
vkCmdPipelineBarrier(copyCmd, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1, &imageMemoryBarrier);
|
||||
}
|
||||
vulkanDevice->flushCommandBuffer(copyCmd, queue, true);
|
||||
|
||||
vkFreeMemory(device, stagingMemory, nullptr);
|
||||
vkDestroyBuffer(device, stagingBuffer, nullptr);
|
||||
}
|
||||
|
||||
void VulkanExample::preparePipelines()
|
||||
{
|
||||
VkPipelineInputAssemblyStateCreateInfo inputAssemblyStateCI = vks::initializers::pipelineInputAssemblyStateCreateInfo(VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, 0, VK_FALSE);
|
||||
VkPipelineRasterizationStateCreateInfo rasterizationStateCI = vks::initializers::pipelineRasterizationStateCreateInfo(VK_POLYGON_MODE_FILL, VK_CULL_MODE_BACK_BIT, VK_FRONT_FACE_COUNTER_CLOCKWISE, 0);
|
||||
VkPipelineColorBlendAttachmentState blendAttachmentStateCI = vks::initializers::pipelineColorBlendAttachmentState(0xf, VK_FALSE);
|
||||
VkPipelineColorBlendStateCreateInfo colorBlendStateCI = vks::initializers::pipelineColorBlendStateCreateInfo(1, &blendAttachmentStateCI);
|
||||
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 };
|
||||
VkPipelineDynamicStateCreateInfo dynamicStateCI = vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables.data(), static_cast<uint32_t>(dynamicStateEnables.size()), 0);
|
||||
std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages;
|
||||
|
||||
// [POI] 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;
|
||||
|
||||
VkGraphicsPipelineCreateInfo pipelineCI = vks::initializers::pipelineCreateInfo(pipelineLayout, renderPass, 0);
|
||||
pipelineCI.pInputAssemblyState = &inputAssemblyStateCI;
|
||||
pipelineCI.pRasterizationState = &rasterizationStateCI;
|
||||
pipelineCI.pColorBlendState = &colorBlendStateCI;
|
||||
pipelineCI.pMultisampleState = &multisampleStateCI;
|
||||
pipelineCI.pViewportState = &viewportStateCI;
|
||||
pipelineCI.pDepthStencilState = &depthStencilStateCI;
|
||||
pipelineCI.pDynamicState = &dynamicStateCI;
|
||||
pipelineCI.stageCount = static_cast<uint32_t>(shaderStages.size());
|
||||
pipelineCI.pStages = shaderStages.data();
|
||||
pipelineCI.pVertexInputState = vkglTF::Vertex::getPipelineVertexInputState({ vkglTF::VertexComponent::Position, vkglTF::VertexComponent::Normal, vkglTF::VertexComponent::UV, vkglTF::VertexComponent::Color, vkglTF::VertexComponent::Tangent });
|
||||
|
||||
shaderStages[0] = loadShader(getShadersPath() + "variablerateshading/scene.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
|
||||
shaderStages[1] = loadShader(getShadersPath() + "variablerateshading/scene.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
|
||||
|
||||
VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCI, nullptr, &pipeline));
|
||||
}
|
||||
|
||||
void VulkanExample::prepareUniformBuffers()
|
||||
{
|
||||
VK_CHECK_RESULT(vulkanDevice->createBuffer(
|
||||
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
|
||||
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
|
||||
&shaderData.buffer,
|
||||
sizeof(shaderData.values)));
|
||||
VK_CHECK_RESULT(shaderData.buffer.map());
|
||||
updateUniformBuffers();
|
||||
}
|
||||
|
||||
void VulkanExample::updateUniformBuffers()
|
||||
{
|
||||
shaderData.values.projection = camera.matrices.perspective;
|
||||
shaderData.values.view = camera.matrices.view;
|
||||
shaderData.values.viewPos = camera.viewPos;
|
||||
memcpy(shaderData.buffer.mapped, &shaderData.values, sizeof(shaderData.values));
|
||||
}
|
||||
|
||||
void VulkanExample::prepare()
|
||||
{
|
||||
VulkanExampleBase::prepare();
|
||||
loadAssets();
|
||||
|
||||
vkCmdBindShadingRateImageNV = reinterpret_cast<PFN_vkCmdBindShadingRateImageNV>(vkGetDeviceProcAddr(device, "vkCmdBindShadingRateImageNV"));
|
||||
|
||||
prepareShadingRateImage();
|
||||
prepareUniformBuffers();
|
||||
setupDescriptors();
|
||||
preparePipelines();
|
||||
buildCommandBuffers();
|
||||
prepared = true;
|
||||
}
|
||||
|
||||
void VulkanExample::render()
|
||||
{
|
||||
renderFrame();
|
||||
if (camera.updated) {
|
||||
updateUniformBuffers();
|
||||
}
|
||||
}
|
||||
|
||||
void VulkanExample::OnUpdateUIOverlay(vks::UIOverlay* overlay)
|
||||
{
|
||||
}
|
||||
|
||||
VULKAN_EXAMPLE_MAIN()
|
||||
58
examples/variablerateshading/variablerateshading.h
Normal file
58
examples/variablerateshading/variablerateshading.h
Normal file
|
|
@ -0,0 +1,58 @@
|
|||
/*
|
||||
* Vulkan Example - Variable rate shading
|
||||
*
|
||||
* Copyright (C) 2020 by Sascha Willems - www.saschawillems.de
|
||||
*
|
||||
* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
|
||||
*/
|
||||
|
||||
#include "vulkanexamplebase.h"
|
||||
#include "VulkanglTFModel.h"
|
||||
|
||||
#define ENABLE_VALIDATION false
|
||||
|
||||
class VulkanExample : public VulkanExampleBase
|
||||
{
|
||||
public:
|
||||
vkglTF::Model scene;
|
||||
|
||||
struct ShadingRateImage {
|
||||
VkImage image;
|
||||
VkDeviceMemory memory;
|
||||
VkImageView view;
|
||||
} shadingRateImage;
|
||||
|
||||
struct ShaderData {
|
||||
vks::Buffer buffer;
|
||||
struct Values {
|
||||
glm::mat4 projection;
|
||||
glm::mat4 view;
|
||||
glm::mat4 model = glm::mat4(1.0f);
|
||||
glm::vec4 lightPos = glm::vec4(0.0f, -2.5f, 0.0f, 1.0f);
|
||||
glm::vec4 viewPos;
|
||||
} values;
|
||||
} shaderData;
|
||||
|
||||
VkPipeline pipeline;
|
||||
VkPipelineLayout pipelineLayout;
|
||||
VkDescriptorSet descriptorSet;
|
||||
VkDescriptorSetLayout descriptorSetLayout;
|
||||
|
||||
VkPhysicalDeviceShadingRateImageFeaturesNV enabledPhysicalDeviceShadingRateImageFeaturesNV;
|
||||
PFN_vkCmdBindShadingRateImageNV vkCmdBindShadingRateImageNV;
|
||||
|
||||
VulkanExample();
|
||||
~VulkanExample();
|
||||
virtual void getEnabledFeatures();
|
||||
void buildCommandBuffers();
|
||||
void loadglTFFile(std::string filename);
|
||||
void loadAssets();
|
||||
void prepareShadingRateImage();
|
||||
void setupDescriptors();
|
||||
void preparePipelines();
|
||||
void prepareUniformBuffers();
|
||||
void updateUniformBuffers();
|
||||
void prepare();
|
||||
virtual void render();
|
||||
virtual void OnUpdateUIOverlay(vks::UIOverlay* overlay);
|
||||
};
|
||||
Loading…
Add table
Add a link
Reference in a new issue