mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-10-14 16:32:17 +00:00
320 lines
16 KiB
C++
320 lines
16 KiB
C++
// Copyright(c) 2019, NVIDIA CORPORATION. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// VulkanHpp Samples : PipelineDerivative
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// This sample creates pipeline derivative and draws with it.
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#include "../utils/geometries.hpp"
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#include "../utils/math.hpp"
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#include "../utils/shaders.hpp"
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#include "../utils/utils.hpp"
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#include "SPIRV/GlslangToSpv.h"
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#include "vulkan/vulkan.hpp"
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#include <thread>
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static char const * AppName = "PipelineDerivative";
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static char const * EngineName = "Vulkan.hpp";
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int main( int /*argc*/, char ** /*argv*/ )
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{
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try
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{
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vk::UniqueInstance instance = vk::su::createInstance( AppName, EngineName, {}, vk::su::getInstanceExtensions() );
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#if !defined( NDEBUG )
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vk::UniqueDebugUtilsMessengerEXT debugUtilsMessenger = vk::su::createDebugUtilsMessenger( instance );
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#endif
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vk::PhysicalDevice physicalDevice = instance->enumeratePhysicalDevices().front();
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vk::su::SurfaceData surfaceData( instance, AppName, vk::Extent2D( 500, 500 ) );
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std::pair<uint32_t, uint32_t> graphicsAndPresentQueueFamilyIndex =
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vk::su::findGraphicsAndPresentQueueFamilyIndex( physicalDevice, *surfaceData.surface );
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vk::UniqueDevice device =
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vk::su::createDevice( physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
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vk::UniqueCommandPool commandPool = vk::su::createCommandPool( device, graphicsAndPresentQueueFamilyIndex.first );
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vk::UniqueCommandBuffer commandBuffer = std::move( device
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->allocateCommandBuffersUnique( vk::CommandBufferAllocateInfo(
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commandPool.get(), vk::CommandBufferLevel::ePrimary, 1 ) )
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.front() );
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vk::Queue graphicsQueue = device->getQueue( graphicsAndPresentQueueFamilyIndex.first, 0 );
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vk::Queue presentQueue = device->getQueue( graphicsAndPresentQueueFamilyIndex.second, 0 );
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vk::su::SwapChainData swapChainData( physicalDevice,
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device,
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*surfaceData.surface,
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surfaceData.extent,
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vk::ImageUsageFlagBits::eColorAttachment |
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vk::ImageUsageFlagBits::eTransferSrc,
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vk::UniqueSwapchainKHR(),
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graphicsAndPresentQueueFamilyIndex.first,
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graphicsAndPresentQueueFamilyIndex.second );
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vk::su::DepthBufferData depthBufferData( physicalDevice, device, vk::Format::eD16Unorm, surfaceData.extent );
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vk::su::TextureData textureData( physicalDevice, device );
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commandBuffer->begin( vk::CommandBufferBeginInfo() );
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textureData.setImage( device, commandBuffer, vk::su::CheckerboardImageGenerator() );
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vk::su::BufferData uniformBufferData(
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physicalDevice, device, sizeof( glm::mat4x4 ), vk::BufferUsageFlagBits::eUniformBuffer );
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vk::su::copyToDevice(
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device, uniformBufferData.deviceMemory, vk::su::createModelViewProjectionClipMatrix( surfaceData.extent ) );
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vk::UniqueDescriptorSetLayout descriptorSetLayout = vk::su::createDescriptorSetLayout(
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device,
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{ { vk::DescriptorType::eUniformBuffer, 1, vk::ShaderStageFlagBits::eVertex },
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{ vk::DescriptorType::eCombinedImageSampler, 1, vk::ShaderStageFlagBits::eFragment } } );
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vk::UniquePipelineLayout pipelineLayout = device->createPipelineLayoutUnique(
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vk::PipelineLayoutCreateInfo( vk::PipelineLayoutCreateFlags(), 1, &descriptorSetLayout.get() ) );
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vk::UniqueRenderPass renderPass = vk::su::createRenderPass(
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device,
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vk::su::pickSurfaceFormat( physicalDevice.getSurfaceFormatsKHR( surfaceData.surface.get() ) ).format,
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depthBufferData.format );
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glslang::InitializeProcess();
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vk::UniqueShaderModule vertexShaderModule =
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vk::su::createShaderModule( device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PT_T );
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vk::UniqueShaderModule fragmentShaderModule =
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vk::su::createShaderModule( device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C );
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glslang::FinalizeProcess();
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std::vector<vk::UniqueFramebuffer> framebuffers = vk::su::createFramebuffers(
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device, renderPass, swapChainData.imageViews, depthBufferData.imageView, surfaceData.extent );
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vk::su::BufferData vertexBufferData(
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physicalDevice, device, sizeof( texturedCubeData ), vk::BufferUsageFlagBits::eVertexBuffer );
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vk::su::copyToDevice( device,
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vertexBufferData.deviceMemory,
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texturedCubeData,
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sizeof( texturedCubeData ) / sizeof( texturedCubeData[0] ) );
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vk::UniqueDescriptorPool descriptorPool = vk::su::createDescriptorPool(
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device, { { vk::DescriptorType::eUniformBuffer, 1 }, { vk::DescriptorType::eCombinedImageSampler, 1 } } );
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vk::UniqueDescriptorSet descriptorSet = std::move(
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device->allocateDescriptorSetsUnique( vk::DescriptorSetAllocateInfo( *descriptorPool, 1, &*descriptorSetLayout ) )
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.front() );
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vk::su::updateDescriptorSets(
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device,
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descriptorSet,
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{ { vk::DescriptorType::eUniformBuffer, uniformBufferData.buffer, vk::UniqueBufferView() } },
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textureData );
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vk::UniquePipelineCache pipelineCache = device->createPipelineCacheUnique( vk::PipelineCacheCreateInfo() );
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/* VULKAN_KEY_START */
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// Create two pipelines.
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//
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// First pipeline has VK_PIPELINE_CREATE_ALLOW_DERIVATIVES_BIT set.
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// Second pipeline has a modified fragment shader and sets the VK_PIPELINE_CREATE_DERIVATIVE_BIT flag.
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vk::PipelineShaderStageCreateInfo pipelineShaderStageCreateInfos[2] = {
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vk::PipelineShaderStageCreateInfo(
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vk::PipelineShaderStageCreateFlags(), vk::ShaderStageFlagBits::eVertex, vertexShaderModule.get(), "main" ),
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vk::PipelineShaderStageCreateInfo(
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vk::PipelineShaderStageCreateFlags(), vk::ShaderStageFlagBits::eFragment, fragmentShaderModule.get(), "main" )
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};
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vk::VertexInputBindingDescription vertexInputBindingDescription( 0, sizeof( texturedCubeData[0] ) );
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vk::VertexInputAttributeDescription vertexInputAttributeDescriptions[2] = {
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vk::VertexInputAttributeDescription( 0, 0, vk::Format::eR32G32B32A32Sfloat, 0 ),
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vk::VertexInputAttributeDescription( 1, 0, vk::Format::eR32G32B32A32Sfloat, 16 )
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};
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vk::PipelineVertexInputStateCreateInfo pipelineVertexInputStateCreateInfo(
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vk::PipelineVertexInputStateCreateFlags(),
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1,
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&vertexInputBindingDescription,
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2,
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vertexInputAttributeDescriptions );
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vk::PipelineInputAssemblyStateCreateInfo pipelineInputAssemblyStateCreateInfo(
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vk::PipelineInputAssemblyStateCreateFlags(), vk::PrimitiveTopology::eTriangleList );
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vk::PipelineViewportStateCreateInfo pipelineViewportStateCreateInfo(
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vk::PipelineViewportStateCreateFlags(), 1, nullptr, 1, nullptr );
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vk::PipelineRasterizationStateCreateInfo pipelineRasterizationStateCreateInfo(
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vk::PipelineRasterizationStateCreateFlags(),
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false,
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false,
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vk::PolygonMode::eFill,
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vk::CullModeFlagBits::eBack,
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vk::FrontFace::eClockwise,
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false,
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0.0f,
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0.0f,
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0.0f,
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1.0f );
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vk::PipelineMultisampleStateCreateInfo pipelineMultisampleStateCreateInfo( {}, vk::SampleCountFlagBits::e1 );
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vk::StencilOpState stencilOpState(
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vk::StencilOp::eKeep, vk::StencilOp::eKeep, vk::StencilOp::eKeep, vk::CompareOp::eAlways );
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vk::PipelineDepthStencilStateCreateInfo pipelineDepthStencilStateCreateInfo(
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vk::PipelineDepthStencilStateCreateFlags(),
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true,
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true,
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vk::CompareOp::eLessOrEqual,
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false,
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false,
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stencilOpState,
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stencilOpState );
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vk::ColorComponentFlags colorComponentFlags( vk::ColorComponentFlagBits::eR | vk::ColorComponentFlagBits::eG |
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vk::ColorComponentFlagBits::eB | vk::ColorComponentFlagBits::eA );
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vk::PipelineColorBlendAttachmentState pipelineColorBlendAttachmentState( false,
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vk::BlendFactor::eZero,
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vk::BlendFactor::eZero,
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vk::BlendOp::eAdd,
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vk::BlendFactor::eZero,
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vk::BlendFactor::eZero,
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vk::BlendOp::eAdd,
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colorComponentFlags );
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vk::PipelineColorBlendStateCreateInfo pipelineColorBlendStateCreateInfo( vk::PipelineColorBlendStateCreateFlags(),
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false,
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vk::LogicOp::eNoOp,
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1,
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&pipelineColorBlendAttachmentState,
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{ { 1.0f, 1.0f, 1.0f, 1.0f } } );
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vk::DynamicState dynamicStates[2] = { vk::DynamicState::eViewport, vk::DynamicState::eScissor };
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vk::PipelineDynamicStateCreateInfo pipelineDynamicStateCreateInfo(
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vk::PipelineDynamicStateCreateFlags(), 2, dynamicStates );
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vk::GraphicsPipelineCreateInfo graphicsPipelineCreateInfo( vk::PipelineCreateFlagBits::eAllowDerivatives,
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2,
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pipelineShaderStageCreateInfos,
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&pipelineVertexInputStateCreateInfo,
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&pipelineInputAssemblyStateCreateInfo,
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nullptr,
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&pipelineViewportStateCreateInfo,
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&pipelineRasterizationStateCreateInfo,
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&pipelineMultisampleStateCreateInfo,
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&pipelineDepthStencilStateCreateInfo,
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&pipelineColorBlendStateCreateInfo,
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&pipelineDynamicStateCreateInfo,
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pipelineLayout.get(),
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renderPass.get() );
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vk::UniquePipeline basePipeline =
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device->createGraphicsPipelineUnique( pipelineCache.get(), graphicsPipelineCreateInfo );
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// Now create the derivative pipeline, using a different fragment shader
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// This shader will shade the cube faces with interpolated colors
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const std::string fragmentShaderText_T_C_2 = R"(
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#version 450
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layout (location = 0) in vec2 inTexCoord;
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layout (location = 0) out vec4 outColor;
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void main()
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{
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outColor = vec4(inTexCoord.x, inTexCoord.y, 1.0f - inTexCoord.x - inTexCoord.y, 1.0f);
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}
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)";
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// Convert GLSL to SPIR-V
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glslang::InitializeProcess();
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vk::UniqueShaderModule fragmentShaderModule2 =
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vk::su::createShaderModule( device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C_2 );
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glslang::FinalizeProcess();
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// Modify pipeline info to reflect derivation
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pipelineShaderStageCreateInfos[1] = vk::PipelineShaderStageCreateInfo(
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vk::PipelineShaderStageCreateFlags(), vk::ShaderStageFlagBits::eFragment, fragmentShaderModule2.get(), "main" );
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graphicsPipelineCreateInfo.flags = vk::PipelineCreateFlagBits::eDerivative;
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graphicsPipelineCreateInfo.basePipelineHandle = basePipeline.get();
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graphicsPipelineCreateInfo.basePipelineIndex = -1;
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// And create the derived pipeline
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vk::UniquePipeline derivedPipeline =
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device->createGraphicsPipelineUnique( pipelineCache.get(), graphicsPipelineCreateInfo );
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/* VULKAN_KEY_END */
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vk::UniqueSemaphore imageAcquiredSemaphore =
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device->createSemaphoreUnique( vk::SemaphoreCreateInfo( vk::SemaphoreCreateFlags() ) );
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// Get the index of the next available swapchain image
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vk::ResultValue<uint32_t> currentBuffer =
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device->acquireNextImageKHR( swapChainData.swapChain.get(), UINT64_MAX, imageAcquiredSemaphore.get(), nullptr );
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assert( currentBuffer.result == vk::Result::eSuccess );
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assert( currentBuffer.value < framebuffers.size() );
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vk::ClearValue clearValues[2];
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clearValues[0].color = vk::ClearColorValue( std::array<float, 4>( { 0.2f, 0.2f, 0.2f, 0.2f } ) );
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clearValues[1].depthStencil = vk::ClearDepthStencilValue( 1.0f, 0 );
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commandBuffer->beginRenderPass( vk::RenderPassBeginInfo( renderPass.get(),
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framebuffers[currentBuffer.value].get(),
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vk::Rect2D( vk::Offset2D(), surfaceData.extent ),
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2,
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clearValues ),
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vk::SubpassContents::eInline );
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commandBuffer->bindPipeline( vk::PipelineBindPoint::eGraphics, derivedPipeline.get() );
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commandBuffer->bindDescriptorSets(
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vk::PipelineBindPoint::eGraphics, pipelineLayout.get(), 0, descriptorSet.get(), {} );
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commandBuffer->bindVertexBuffers( 0, *vertexBufferData.buffer, { 0 } );
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commandBuffer->setViewport( 0,
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vk::Viewport( 0.0f,
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0.0f,
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static_cast<float>( surfaceData.extent.width ),
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static_cast<float>( surfaceData.extent.height ),
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0.0f,
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1.0f ) );
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commandBuffer->setScissor( 0, vk::Rect2D( vk::Offset2D( 0, 0 ), surfaceData.extent ) );
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commandBuffer->draw( 12 * 3, 1, 0, 0 );
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commandBuffer->endRenderPass();
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commandBuffer->end();
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vk::UniqueFence drawFence = device->createFenceUnique( vk::FenceCreateInfo() );
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vk::PipelineStageFlags waitDestinationStageMask( vk::PipelineStageFlagBits::eColorAttachmentOutput );
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vk::SubmitInfo submitInfo( 1, &imageAcquiredSemaphore.get(), &waitDestinationStageMask, 1, &commandBuffer.get() );
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graphicsQueue.submit( submitInfo, drawFence.get() );
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while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
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;
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presentQueue.presentKHR(
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vk::PresentInfoKHR( 0, nullptr, 1, &swapChainData.swapChain.get(), ¤tBuffer.value ) );
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std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
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}
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catch ( vk::SystemError & err )
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{
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std::cout << "vk::SystemError: " << err.what() << std::endl;
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exit( -1 );
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}
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catch ( std::runtime_error & err )
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{
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std::cout << "std::runtime_error: " << err.what() << std::endl;
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exit( -1 );
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}
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catch ( ... )
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{
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std::cout << "unknown error\n";
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exit( -1 );
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}
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return 0;
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}
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