mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-09-20 05:52:16 +00:00
347 lines
17 KiB
C++
347 lines
17 KiB
C++
// 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__ )
|
|
# if ( 9 <= __GNUC__ )
|
|
# pragma GCC diagnostic ignored "-Winit-list-lifetime"
|
|
# endif
|
|
#else
|
|
// unknow compiler... just ignore the warnings for yourselves ;)
|
|
#endif
|
|
|
|
#include "../utils/geometries.hpp"
|
|
#include "../utils/math.hpp"
|
|
#include "../utils/shaders.hpp"
|
|
#include "../utils/utils.hpp"
|
|
#include "SPIRV/GlslangToSpv.h"
|
|
#include "vulkan/vulkan.hpp"
|
|
|
|
#include <thread>
|
|
|
|
static char const * AppName = "PipelineDerivative";
|
|
static char const * EngineName = "Vulkan.hpp";
|
|
|
|
int main( int /*argc*/, char ** /*argv*/ )
|
|
{
|
|
try
|
|
{
|
|
vk::UniqueInstance instance = vk::su::createInstance( AppName, EngineName, {}, vk::su::getInstanceExtensions() );
|
|
#if !defined( NDEBUG )
|
|
vk::UniqueDebugUtilsMessengerEXT debugUtilsMessenger = vk::su::createDebugUtilsMessenger( instance );
|
|
#endif
|
|
|
|
vk::PhysicalDevice physicalDevice = instance->enumeratePhysicalDevices().front();
|
|
|
|
vk::su::SurfaceData surfaceData( instance, AppName, vk::Extent2D( 500, 500 ) );
|
|
|
|
std::pair<uint32_t, uint32_t> graphicsAndPresentQueueFamilyIndex =
|
|
vk::su::findGraphicsAndPresentQueueFamilyIndex( physicalDevice, *surfaceData.surface );
|
|
vk::UniqueDevice device =
|
|
vk::su::createDevice( physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
|
|
|
|
vk::UniqueCommandPool commandPool = vk::su::createCommandPool( device, graphicsAndPresentQueueFamilyIndex.first );
|
|
vk::UniqueCommandBuffer commandBuffer = std::move( device
|
|
->allocateCommandBuffersUnique( vk::CommandBufferAllocateInfo(
|
|
commandPool.get(), vk::CommandBufferLevel::ePrimary, 1 ) )
|
|
.front() );
|
|
|
|
vk::Queue graphicsQueue = device->getQueue( graphicsAndPresentQueueFamilyIndex.first, 0 );
|
|
vk::Queue presentQueue = device->getQueue( graphicsAndPresentQueueFamilyIndex.second, 0 );
|
|
|
|
vk::su::SwapChainData swapChainData( physicalDevice,
|
|
device,
|
|
*surfaceData.surface,
|
|
surfaceData.extent,
|
|
vk::ImageUsageFlagBits::eColorAttachment |
|
|
vk::ImageUsageFlagBits::eTransferSrc,
|
|
vk::UniqueSwapchainKHR(),
|
|
graphicsAndPresentQueueFamilyIndex.first,
|
|
graphicsAndPresentQueueFamilyIndex.second );
|
|
|
|
vk::su::DepthBufferData depthBufferData( physicalDevice, device, vk::Format::eD16Unorm, surfaceData.extent );
|
|
|
|
vk::su::TextureData textureData( physicalDevice, device );
|
|
commandBuffer->begin( vk::CommandBufferBeginInfo() );
|
|
textureData.setImage( device, commandBuffer, vk::su::CheckerboardImageGenerator() );
|
|
|
|
vk::su::BufferData uniformBufferData(
|
|
physicalDevice, device, sizeof( glm::mat4x4 ), vk::BufferUsageFlagBits::eUniformBuffer );
|
|
vk::su::copyToDevice(
|
|
device, uniformBufferData.deviceMemory, vk::su::createModelViewProjectionClipMatrix( surfaceData.extent ) );
|
|
|
|
vk::UniqueDescriptorSetLayout descriptorSetLayout = vk::su::createDescriptorSetLayout(
|
|
device,
|
|
{ { vk::DescriptorType::eUniformBuffer, 1, vk::ShaderStageFlagBits::eVertex },
|
|
{ vk::DescriptorType::eCombinedImageSampler, 1, vk::ShaderStageFlagBits::eFragment } } );
|
|
vk::UniquePipelineLayout pipelineLayout = device->createPipelineLayoutUnique(
|
|
vk::PipelineLayoutCreateInfo( vk::PipelineLayoutCreateFlags(), *descriptorSetLayout ) );
|
|
|
|
vk::UniqueRenderPass renderPass = vk::su::createRenderPass(
|
|
device,
|
|
vk::su::pickSurfaceFormat( physicalDevice.getSurfaceFormatsKHR( surfaceData.surface.get() ) ).format,
|
|
depthBufferData.format );
|
|
|
|
glslang::InitializeProcess();
|
|
vk::UniqueShaderModule vertexShaderModule =
|
|
vk::su::createShaderModule( device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PT_T );
|
|
vk::UniqueShaderModule fragmentShaderModule =
|
|
vk::su::createShaderModule( device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C );
|
|
glslang::FinalizeProcess();
|
|
|
|
std::vector<vk::UniqueFramebuffer> framebuffers = vk::su::createFramebuffers(
|
|
device, renderPass, swapChainData.imageViews, depthBufferData.imageView, surfaceData.extent );
|
|
|
|
vk::su::BufferData vertexBufferData(
|
|
physicalDevice, device, sizeof( texturedCubeData ), vk::BufferUsageFlagBits::eVertexBuffer );
|
|
vk::su::copyToDevice( device,
|
|
vertexBufferData.deviceMemory,
|
|
texturedCubeData,
|
|
sizeof( texturedCubeData ) / sizeof( texturedCubeData[0] ) );
|
|
|
|
vk::UniqueDescriptorPool descriptorPool = vk::su::createDescriptorPool(
|
|
device, { { vk::DescriptorType::eUniformBuffer, 1 }, { vk::DescriptorType::eCombinedImageSampler, 1 } } );
|
|
vk::UniqueDescriptorSet descriptorSet = std::move(
|
|
device->allocateDescriptorSetsUnique( vk::DescriptorSetAllocateInfo( *descriptorPool, *descriptorSetLayout ) )
|
|
.front() );
|
|
|
|
vk::su::updateDescriptorSets(
|
|
device, descriptorSet, { { vk::DescriptorType::eUniformBuffer, uniformBufferData.buffer, {} } }, textureData );
|
|
|
|
vk::UniquePipelineCache pipelineCache = device->createPipelineCacheUnique( 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::PipelineShaderStageCreateFlags(), vk::ShaderStageFlagBits::eVertex, vertexShaderModule.get(), "main" ),
|
|
vk::PipelineShaderStageCreateInfo(
|
|
vk::PipelineShaderStageCreateFlags(), vk::ShaderStageFlagBits::eFragment, fragmentShaderModule.get(), "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(
|
|
vk::PipelineVertexInputStateCreateFlags(), vertexInputBindingDescription, vertexInputAttributeDescriptions );
|
|
|
|
vk::PipelineInputAssemblyStateCreateInfo pipelineInputAssemblyStateCreateInfo(
|
|
vk::PipelineInputAssemblyStateCreateFlags(), vk::PrimitiveTopology::eTriangleList );
|
|
|
|
vk::PipelineViewportStateCreateInfo pipelineViewportStateCreateInfo(
|
|
vk::PipelineViewportStateCreateFlags(), 1, nullptr, 1, nullptr );
|
|
|
|
vk::PipelineRasterizationStateCreateInfo pipelineRasterizationStateCreateInfo(
|
|
vk::PipelineRasterizationStateCreateFlags(),
|
|
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(
|
|
vk::PipelineDepthStencilStateCreateFlags(),
|
|
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( vk::PipelineColorBlendStateCreateFlags(),
|
|
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( vk::PipelineDynamicStateCreateFlags(),
|
|
dynamicStates );
|
|
|
|
vk::GraphicsPipelineCreateInfo graphicsPipelineCreateInfo( vk::PipelineCreateFlagBits::eAllowDerivatives,
|
|
pipelineShaderStageCreateInfos,
|
|
&pipelineVertexInputStateCreateInfo,
|
|
&pipelineInputAssemblyStateCreateInfo,
|
|
nullptr,
|
|
&pipelineViewportStateCreateInfo,
|
|
&pipelineRasterizationStateCreateInfo,
|
|
&pipelineMultisampleStateCreateInfo,
|
|
&pipelineDepthStencilStateCreateInfo,
|
|
&pipelineColorBlendStateCreateInfo,
|
|
&pipelineDynamicStateCreateInfo,
|
|
pipelineLayout.get(),
|
|
renderPass.get() );
|
|
|
|
vk::UniquePipeline basePipeline;
|
|
vk::ResultValue<vk::UniquePipeline> rvPipeline =
|
|
device->createGraphicsPipelineUnique( pipelineCache.get(), graphicsPipelineCreateInfo );
|
|
switch ( rvPipeline.result )
|
|
{
|
|
case vk::Result::eSuccess: basePipeline = std::move( rvPipeline.value ); 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::UniqueShaderModule fragmentShaderModule2 =
|
|
vk::su::createShaderModule( device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C_2 );
|
|
glslang::FinalizeProcess();
|
|
|
|
// Modify pipeline info to reflect derivation
|
|
pipelineShaderStageCreateInfos[1] = vk::PipelineShaderStageCreateInfo(
|
|
vk::PipelineShaderStageCreateFlags(), vk::ShaderStageFlagBits::eFragment, fragmentShaderModule2.get(), "main" );
|
|
graphicsPipelineCreateInfo.flags = vk::PipelineCreateFlagBits::eDerivative;
|
|
graphicsPipelineCreateInfo.basePipelineHandle = basePipeline.get();
|
|
graphicsPipelineCreateInfo.basePipelineIndex = -1;
|
|
|
|
// And create the derived pipeline
|
|
vk::UniquePipeline derivedPipeline;
|
|
rvPipeline = device->createGraphicsPipelineUnique( *pipelineCache, graphicsPipelineCreateInfo );
|
|
switch ( rvPipeline.result )
|
|
{
|
|
case vk::Result::eSuccess: derivedPipeline = std::move( rvPipeline.value ); break;
|
|
case vk::Result::ePipelineCompileRequiredEXT:
|
|
// something meaningfull here
|
|
break;
|
|
default: assert( false ); // should never happen
|
|
}
|
|
|
|
/* VULKAN_KEY_END */
|
|
|
|
vk::UniqueSemaphore imageAcquiredSemaphore =
|
|
device->createSemaphoreUnique( vk::SemaphoreCreateInfo( vk::SemaphoreCreateFlags() ) );
|
|
|
|
// Get the index of the next available swapchain image
|
|
vk::ResultValue<uint32_t> currentBuffer =
|
|
device->acquireNextImageKHR( swapChainData.swapChain.get(), UINT64_MAX, imageAcquiredSemaphore.get(), nullptr );
|
|
assert( currentBuffer.result == vk::Result::eSuccess );
|
|
assert( currentBuffer.value < framebuffers.size() );
|
|
|
|
std::array<vk::ClearValue, 2> clearValues;
|
|
clearValues[0].color = vk::ClearColorValue( std::array<float, 4>( { { 0.2f, 0.2f, 0.2f, 0.2f } } ) );
|
|
clearValues[1].depthStencil = vk::ClearDepthStencilValue( 1.0f, 0 );
|
|
|
|
commandBuffer->beginRenderPass( vk::RenderPassBeginInfo( renderPass.get(),
|
|
framebuffers[currentBuffer.value].get(),
|
|
vk::Rect2D( vk::Offset2D(), surfaceData.extent ),
|
|
clearValues ),
|
|
vk::SubpassContents::eInline );
|
|
commandBuffer->bindPipeline( vk::PipelineBindPoint::eGraphics, derivedPipeline.get() );
|
|
commandBuffer->bindDescriptorSets(
|
|
vk::PipelineBindPoint::eGraphics, pipelineLayout.get(), 0, descriptorSet.get(), {} );
|
|
|
|
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::UniqueFence drawFence = device->createFenceUnique( vk::FenceCreateInfo() );
|
|
|
|
vk::PipelineStageFlags waitDestinationStageMask( vk::PipelineStageFlagBits::eColorAttachmentOutput );
|
|
vk::SubmitInfo submitInfo( *imageAcquiredSemaphore, waitDestinationStageMask, *commandBuffer );
|
|
graphicsQueue.submit( submitInfo, drawFence.get() );
|
|
|
|
while ( vk::Result::eTimeout == device->waitForFences( drawFence.get(), VK_TRUE, vk::su::FenceTimeout ) )
|
|
;
|
|
|
|
vk::Result result =
|
|
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer.value ) );
|
|
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;
|
|
}
|