Vulkan-Hpp/RAII_Samples/PipelineDerivative/PipelineDerivative.cpp

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// Copyright(c) 2019, NVIDIA CORPORATION. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// VulkanHpp Samples : PipelineDerivative
// This sample creates pipeline derivative and draws with it.
#if defined( _MSC_VER )
// no need to ignore any warnings with MSVC
#elif defined( __clang__ )
# pragma clang diagnostic ignored "-Wmissing-braces"
#elif defined( __GNUC__ )
#else
// unknow compiler... just ignore the warnings for yourselves ;)
#endif
#include "../../samples/utils/geometries.hpp"
#include "../../samples/utils/math.hpp"
#include "../utils/shaders.hpp"
#include "../utils/utils.hpp"
#include "SPIRV/GlslangToSpv.h"
#include <thread>
static char const * AppName = "PipelineDerivative";
static char const * EngineName = "Vulkan.hpp";
int main( int /*argc*/, char ** /*argv*/ )
{
try
{
vk::raii::Context context;
vk::raii::Instance instance = vk::raii::su::makeInstance( context, AppName, EngineName, {}, vk::su::getInstanceExtensions() );
#if !defined( NDEBUG )
vk::raii::DebugUtilsMessengerEXT debugUtilsMessenger( instance, vk::su::makeDebugUtilsMessengerCreateInfoEXT() );
#endif
vk::raii::PhysicalDevice physicalDevice = vk::raii::PhysicalDevices( instance ).front();
vk::raii::su::SurfaceData surfaceData( instance, AppName, vk::Extent2D( 500, 500 ) );
std::pair<uint32_t, uint32_t> graphicsAndPresentQueueFamilyIndex =
vk::raii::su::findGraphicsAndPresentQueueFamilyIndex( physicalDevice, surfaceData.surface );
vk::raii::Device device = vk::raii::su::makeDevice( physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
vk::raii::CommandPool commandPool = vk::raii::CommandPool( device, { {}, graphicsAndPresentQueueFamilyIndex.first } );
vk::raii::CommandBuffer commandBuffer = vk::raii::su::makeCommandBuffer( device, commandPool );
vk::raii::Queue graphicsQueue( device, graphicsAndPresentQueueFamilyIndex.first, 0 );
vk::raii::Queue presentQueue( device, graphicsAndPresentQueueFamilyIndex.second, 0 );
vk::raii::su::SwapChainData swapChainData( physicalDevice,
device,
surfaceData.surface,
surfaceData.extent,
vk::ImageUsageFlagBits::eColorAttachment | vk::ImageUsageFlagBits::eTransferSrc,
{},
graphicsAndPresentQueueFamilyIndex.first,
graphicsAndPresentQueueFamilyIndex.second );
vk::raii::su::DepthBufferData depthBufferData( physicalDevice, device, vk::Format::eD16Unorm, surfaceData.extent );
vk::raii::su::TextureData textureData( physicalDevice, device );
commandBuffer.begin( vk::CommandBufferBeginInfo() );
textureData.setImage( commandBuffer, vk::su::CheckerboardImageGenerator() );
vk::raii::su::BufferData uniformBufferData( physicalDevice, device, sizeof( glm::mat4x4 ), vk::BufferUsageFlagBits::eUniformBuffer );
glm::mat4x4 mvpcMatrix = vk::su::createModelViewProjectionClipMatrix( surfaceData.extent );
vk::raii::su::copyToDevice( uniformBufferData.deviceMemory, mvpcMatrix );
vk::raii::DescriptorSetLayout descriptorSetLayout =
vk::raii::su::makeDescriptorSetLayout( device,
{ { vk::DescriptorType::eUniformBuffer, 1, vk::ShaderStageFlagBits::eVertex },
{ vk::DescriptorType::eCombinedImageSampler, 1, vk::ShaderStageFlagBits::eFragment } } );
vk::raii::PipelineLayout pipelineLayout( device, { {}, *descriptorSetLayout } );
vk::Format colorFormat = vk::su::pickSurfaceFormat( physicalDevice.getSurfaceFormatsKHR( surfaceData.surface ) ).format;
vk::raii::RenderPass renderPass = vk::raii::su::makeRenderPass( device, colorFormat, depthBufferData.format );
glslang::InitializeProcess();
vk::raii::ShaderModule vertexShaderModule = vk::raii::su::makeShaderModule( device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PT_T );
vk::raii::ShaderModule fragmentShaderModule = vk::raii::su::makeShaderModule( device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C );
glslang::FinalizeProcess();
std::vector<vk::raii::Framebuffer> framebuffers =
vk::raii::su::makeFramebuffers( device, renderPass, swapChainData.imageViews, &depthBufferData.imageView, surfaceData.extent );
vk::raii::su::BufferData vertexBufferData( physicalDevice, device, sizeof( texturedCubeData ), vk::BufferUsageFlagBits::eVertexBuffer );
vk::raii::su::copyToDevice( vertexBufferData.deviceMemory, texturedCubeData, sizeof( texturedCubeData ) / sizeof( texturedCubeData[0] ) );
vk::raii::DescriptorPool descriptorPool =
vk::raii::su::makeDescriptorPool( device, { { vk::DescriptorType::eUniformBuffer, 1 }, { vk::DescriptorType::eCombinedImageSampler, 1 } } );
vk::raii::DescriptorSet descriptorSet = std::move( vk::raii::DescriptorSets( device, { descriptorPool, *descriptorSetLayout } ).front() );
vk::raii::su::updateDescriptorSets(
device, descriptorSet, { { vk::DescriptorType::eUniformBuffer, uniformBufferData.buffer, VK_WHOLE_SIZE, nullptr } }, { textureData } );
vk::raii::PipelineCache pipelineCache( device, vk::PipelineCacheCreateInfo() );
/* VULKAN_KEY_START */
// Create two pipelines.
//
// First pipeline has VK_PIPELINE_CREATE_ALLOW_DERIVATIVES_BIT set.
// Second pipeline has a modified fragment shader and sets the VK_PIPELINE_CREATE_DERIVATIVE_BIT flag.
std::array<vk::PipelineShaderStageCreateInfo, 2> pipelineShaderStageCreateInfos = {
vk::PipelineShaderStageCreateInfo( {}, vk::ShaderStageFlagBits::eVertex, vertexShaderModule, "main" ),
vk::PipelineShaderStageCreateInfo( {}, vk::ShaderStageFlagBits::eFragment, fragmentShaderModule, "main" )
};
vk::VertexInputBindingDescription vertexInputBindingDescription( 0, sizeof( texturedCubeData[0] ) );
std::array<vk::VertexInputAttributeDescription, 2> vertexInputAttributeDescriptions = {
vk::VertexInputAttributeDescription( 0, 0, vk::Format::eR32G32B32A32Sfloat, 0 ),
vk::VertexInputAttributeDescription( 1, 0, vk::Format::eR32G32B32A32Sfloat, 16 )
};
vk::PipelineVertexInputStateCreateInfo pipelineVertexInputStateCreateInfo( {}, vertexInputBindingDescription, vertexInputAttributeDescriptions );
vk::PipelineInputAssemblyStateCreateInfo pipelineInputAssemblyStateCreateInfo( {}, vk::PrimitiveTopology::eTriangleList );
vk::PipelineViewportStateCreateInfo pipelineViewportStateCreateInfo( {}, 1, nullptr, 1, nullptr );
vk::PipelineRasterizationStateCreateInfo pipelineRasterizationStateCreateInfo(
{}, false, false, vk::PolygonMode::eFill, vk::CullModeFlagBits::eBack, vk::FrontFace::eClockwise, false, 0.0f, 0.0f, 0.0f, 1.0f );
vk::PipelineMultisampleStateCreateInfo pipelineMultisampleStateCreateInfo( {}, vk::SampleCountFlagBits::e1 );
vk::StencilOpState stencilOpState( vk::StencilOp::eKeep, vk::StencilOp::eKeep, vk::StencilOp::eKeep, vk::CompareOp::eAlways );
vk::PipelineDepthStencilStateCreateInfo pipelineDepthStencilStateCreateInfo(
{}, true, true, vk::CompareOp::eLessOrEqual, false, false, stencilOpState, stencilOpState );
vk::ColorComponentFlags colorComponentFlags( vk::ColorComponentFlagBits::eR | vk::ColorComponentFlagBits::eG | vk::ColorComponentFlagBits::eB |
vk::ColorComponentFlagBits::eA );
vk::PipelineColorBlendAttachmentState pipelineColorBlendAttachmentState( false,
vk::BlendFactor::eZero,
vk::BlendFactor::eZero,
vk::BlendOp::eAdd,
vk::BlendFactor::eZero,
vk::BlendFactor::eZero,
vk::BlendOp::eAdd,
colorComponentFlags );
vk::PipelineColorBlendStateCreateInfo pipelineColorBlendStateCreateInfo(
{}, false, vk::LogicOp::eNoOp, pipelineColorBlendAttachmentState, { { 1.0f, 1.0f, 1.0f, 1.0f } } );
std::array<vk::DynamicState, 2> dynamicStates = { vk::DynamicState::eViewport, vk::DynamicState::eScissor };
vk::PipelineDynamicStateCreateInfo pipelineDynamicStateCreateInfo( {}, dynamicStates );
vk::GraphicsPipelineCreateInfo graphicsPipelineCreateInfo( vk::PipelineCreateFlagBits::eAllowDerivatives,
pipelineShaderStageCreateInfos,
&pipelineVertexInputStateCreateInfo,
&pipelineInputAssemblyStateCreateInfo,
nullptr,
&pipelineViewportStateCreateInfo,
&pipelineRasterizationStateCreateInfo,
&pipelineMultisampleStateCreateInfo,
&pipelineDepthStencilStateCreateInfo,
&pipelineColorBlendStateCreateInfo,
&pipelineDynamicStateCreateInfo,
pipelineLayout,
renderPass );
vk::raii::Pipeline basePipeline( device, pipelineCache, graphicsPipelineCreateInfo );
switch ( basePipeline.getConstructorSuccessCode() )
{
case vk::Result::eSuccess: break;
case vk::Result::ePipelineCompileRequiredEXT:
// something meaningfull here
break;
default: assert( false ); // should never happen
}
// Now create the derivative pipeline, using a different fragment shader
// This shader will shade the cube faces with interpolated colors
const std::string fragmentShaderText_T_C_2 = R"(
#version 450
layout (location = 0) in vec2 inTexCoord;
layout (location = 0) out vec4 outColor;
void main()
{
outColor = vec4(inTexCoord.x, inTexCoord.y, 1.0f - inTexCoord.x - inTexCoord.y, 1.0f);
}
)";
// Convert GLSL to SPIR-V
glslang::InitializeProcess();
vk::raii::ShaderModule fragmentShaderModule2 = vk::raii::su::makeShaderModule( device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C_2 );
glslang::FinalizeProcess();
// Modify pipeline info to reflect derivation
pipelineShaderStageCreateInfos[1] = vk::PipelineShaderStageCreateInfo( {}, vk::ShaderStageFlagBits::eFragment, fragmentShaderModule2, "main" );
graphicsPipelineCreateInfo.flags = vk::PipelineCreateFlagBits::eDerivative;
graphicsPipelineCreateInfo.basePipelineHandle = basePipeline;
graphicsPipelineCreateInfo.basePipelineIndex = -1;
// And create the derived pipeline
vk::raii::Pipeline derivedPipeline( device, pipelineCache, graphicsPipelineCreateInfo );
switch ( derivedPipeline.getConstructorSuccessCode() )
{
case vk::Result::eSuccess: break;
case vk::Result::ePipelineCompileRequiredEXT:
// something meaningfull here
break;
default: assert( false ); // should never happen
}
/* VULKAN_KEY_END */
vk::raii::Semaphore imageAcquiredSemaphore( device, vk::SemaphoreCreateInfo() );
// Get the index of the next available swapchain image
vk::Result result;
uint32_t imageIndex;
std::tie( result, imageIndex ) = swapChainData.swapChain.acquireNextImage( vk::su::FenceTimeout, imageAcquiredSemaphore );
assert( result == vk::Result::eSuccess );
assert( imageIndex < swapChainData.images.size() );
std::array<vk::ClearValue, 2> clearValues;
clearValues[0].color = vk::ClearColorValue( 0.2f, 0.2f, 0.2f, 0.2f );
clearValues[1].depthStencil = vk::ClearDepthStencilValue( 1.0f, 0 );
commandBuffer.beginRenderPass(
vk::RenderPassBeginInfo( renderPass, framebuffers[imageIndex], vk::Rect2D( vk::Offset2D(), surfaceData.extent ), clearValues ),
vk::SubpassContents::eInline );
commandBuffer.bindPipeline( vk::PipelineBindPoint::eGraphics, derivedPipeline );
commandBuffer.bindDescriptorSets( vk::PipelineBindPoint::eGraphics, pipelineLayout, 0, { descriptorSet }, {} );
commandBuffer.bindVertexBuffers( 0, { vertexBufferData.buffer }, { 0 } );
commandBuffer.setViewport(
0, vk::Viewport( 0.0f, 0.0f, static_cast<float>( surfaceData.extent.width ), static_cast<float>( surfaceData.extent.height ), 0.0f, 1.0f ) );
commandBuffer.setScissor( 0, vk::Rect2D( vk::Offset2D( 0, 0 ), surfaceData.extent ) );
commandBuffer.draw( 12 * 3, 1, 0, 0 );
commandBuffer.endRenderPass();
commandBuffer.end();
vk::raii::Fence drawFence( device, vk::FenceCreateInfo() );
vk::PipelineStageFlags waitDestinationStageMask( vk::PipelineStageFlagBits::eColorAttachmentOutput );
vk::SubmitInfo submitInfo( *imageAcquiredSemaphore, waitDestinationStageMask, *commandBuffer );
graphicsQueue.submit( submitInfo, *drawFence );
while ( vk::Result::eTimeout == device.waitForFences( { drawFence }, VK_TRUE, vk::su::FenceTimeout ) )
;
vk::PresentInfoKHR presentInfoKHR( nullptr, *swapChainData.swapChain, imageIndex );
result = presentQueue.presentKHR( presentInfoKHR );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n"; break;
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
}
catch ( vk::SystemError & err )
{
std::cout << "vk::SystemError: " << err.what() << std::endl;
exit( -1 );
}
catch ( std::exception & err )
{
std::cout << "std::exception: " << err.what() << std::endl;
exit( -1 );
}
catch ( ... )
{
std::cout << "unknown error\n";
exit( -1 );
}
return 0;
}