mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-10-14 16:32:17 +00:00
184 lines
12 KiB
C++
184 lines
12 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 : 14_InitPipeline
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// Initialize graphics pipeline
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#if defined( _MSC_VER )
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// no need to ignore any warnings with MSVC
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#elif defined( __clang__ )
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# pragma clang diagnostic ignored "-Wmissing-braces"
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#elif defined( __GNUC__ )
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// no need to ignore any warnings with GCC
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#else
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// unknow compiler... just ignore the warnings for yourselves ;)
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#endif
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#include "../../samples/utils/geometries.hpp"
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#include "../../samples/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 "glslang/Public/ShaderLang.h"
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#include <iostream>
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static char const * AppName = "14_InitPipeline";
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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::raii::Context context;
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vk::raii::Instance instance = vk::raii::su::makeInstance( context, AppName, EngineName, {}, vk::su::getInstanceExtensions() );
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#if !defined( NDEBUG )
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vk::raii::DebugUtilsMessengerEXT debugUtilsMessenger( instance, vk::su::makeDebugUtilsMessengerCreateInfoEXT() );
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#endif
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vk::raii::PhysicalDevice physicalDevice = vk::raii::PhysicalDevices( instance ).front();
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vk::raii::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::raii::su::findGraphicsAndPresentQueueFamilyIndex( physicalDevice, surfaceData.surface );
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vk::raii::Device device = vk::raii::su::makeDevice( physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
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vk::Format colorFormat = vk::su::pickSurfaceFormat( physicalDevice.getSurfaceFormatsKHR( surfaceData.surface ) ).format;
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vk::raii::RenderPass renderPass = vk::raii::su::makeRenderPass( device, colorFormat, vk::Format::eD16Unorm );
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vk::raii::DescriptorSetLayout descriptorSetLayout =
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vk::raii::su::makeDescriptorSetLayout( device, { { vk::DescriptorType::eUniformBuffer, 1, vk::ShaderStageFlagBits::eVertex } } );
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vk::raii::PipelineLayout pipelineLayout( device, { {}, *descriptorSetLayout } );
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glslang::InitializeProcess();
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vk::raii::ShaderModule vertexShaderModule = vk::raii::su::makeShaderModule( device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PC_C );
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vk::raii::ShaderModule fragmentShaderModule = vk::raii::su::makeShaderModule( device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_C_C );
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glslang::FinalizeProcess();
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/* VULKAN_KEY_START */
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std::array<vk::PipelineShaderStageCreateInfo, 2> pipelineShaderStageCreateInfos = {
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vk::PipelineShaderStageCreateInfo( {}, vk::ShaderStageFlagBits::eVertex, vertexShaderModule, "main" ),
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vk::PipelineShaderStageCreateInfo( {}, vk::ShaderStageFlagBits::eFragment, fragmentShaderModule, "main" )
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};
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vk::VertexInputBindingDescription vertexInputBindingDescription( 0, sizeof( coloredCubeData[0] ) );
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std::array<vk::VertexInputAttributeDescription, 2> vertexInputAttributeDescriptions = {
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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( {}, // flags
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vertexInputBindingDescription, // vertexBindingDescriptions
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vertexInputAttributeDescriptions // vertexAttributeDescriptions
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);
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vk::PipelineInputAssemblyStateCreateInfo pipelineInputAssemblyStateCreateInfo( {}, vk::PrimitiveTopology::eTriangleList );
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vk::PipelineViewportStateCreateInfo pipelineViewportStateCreateInfo( {}, 1, nullptr, 1, nullptr );
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vk::PipelineRasterizationStateCreateInfo pipelineRasterizationStateCreateInfo( {}, // flags
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false, // depthClampEnable
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false, // rasterizerDiscardEnable
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vk::PolygonMode::eFill, // polygonMode
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vk::CullModeFlagBits::eBack, // cullMode
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vk::FrontFace::eClockwise, // frontFace
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false, // depthBiasEnable
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0.0f, // depthBiasConstantFactor
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0.0f, // depthBiasClamp
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0.0f, // depthBiasSlopeFactor
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1.0f // lineWidth
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);
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vk::PipelineMultisampleStateCreateInfo pipelineMultisampleStateCreateInfo( {}, // flags
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vk::SampleCountFlagBits::e1 // rasterizationSamples
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// other values can be default
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);
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vk::StencilOpState stencilOpState( vk::StencilOp::eKeep, vk::StencilOp::eKeep, vk::StencilOp::eKeep, vk::CompareOp::eAlways );
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vk::PipelineDepthStencilStateCreateInfo pipelineDepthStencilStateCreateInfo( {}, // flags
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true, // depthTestEnable
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true, // depthWriteEnable
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vk::CompareOp::eLessOrEqual, // depthCompareOp
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false, // depthBoundTestEnable
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false, // stencilTestEnable
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stencilOpState, // front
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stencilOpState // back
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);
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vk::ColorComponentFlags colorComponentFlags( vk::ColorComponentFlagBits::eR | vk::ColorComponentFlagBits::eG | vk::ColorComponentFlagBits::eB |
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vk::ColorComponentFlagBits::eA );
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vk::PipelineColorBlendAttachmentState pipelineColorBlendAttachmentState( false, // blendEnable
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vk::BlendFactor::eZero, // srcColorBlendFactor
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vk::BlendFactor::eZero, // dstColorBlendFactor
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vk::BlendOp::eAdd, // colorBlendOp
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vk::BlendFactor::eZero, // srcAlphaBlendFactor
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vk::BlendFactor::eZero, // dstAlphaBlendFactor
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vk::BlendOp::eAdd, // alphaBlendOp
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colorComponentFlags // colorWriteMask
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);
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vk::PipelineColorBlendStateCreateInfo pipelineColorBlendStateCreateInfo( {}, // flags
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false, // logicOpEnable
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vk::LogicOp::eNoOp, // logicOp
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pipelineColorBlendAttachmentState, // attachments
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{ { 1.0f, 1.0f, 1.0f, 1.0f } } // blendConstants
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);
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std::array<vk::DynamicState, 2> dynamicStates = { vk::DynamicState::eViewport, vk::DynamicState::eScissor };
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vk::PipelineDynamicStateCreateInfo pipelineDynamicStateCreateInfo( {}, dynamicStates );
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vk::GraphicsPipelineCreateInfo graphicsPipelineCreateInfo( {}, // flags
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pipelineShaderStageCreateInfos, // stages
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&pipelineVertexInputStateCreateInfo, // pVertexInputState
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&pipelineInputAssemblyStateCreateInfo, // pInputAssemblyState
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nullptr, // pTessellationState
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&pipelineViewportStateCreateInfo, // pViewportState
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&pipelineRasterizationStateCreateInfo, // pRasterizationState
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&pipelineMultisampleStateCreateInfo, // pMultisampleState
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&pipelineDepthStencilStateCreateInfo, // pDepthStencilState
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&pipelineColorBlendStateCreateInfo, // pColorBlendState
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&pipelineDynamicStateCreateInfo, // pDynamicState
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pipelineLayout, // layout
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renderPass // renderPass
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);
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vk::raii::Pipeline pipeline( device, nullptr, graphicsPipelineCreateInfo );
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switch ( pipeline.getConstructorSuccessCode() )
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{
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case vk::Result::eSuccess: break;
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case vk::Result::ePipelineCompileRequiredEXT:
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// something meaningfull here
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break;
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default: assert( false ); // should never happen
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}
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/* VULKAN_KEY_END */
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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::exception & err )
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{
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std::cout << "std::exception: " << 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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