Vulkan-Hpp/RAII_Samples/PushDescriptors/PushDescriptors.cpp

215 lines
12 KiB
C++

// Copyright(c) 2019, NVIDIA CORPORATION. All rights reserved.
// 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 : PushDescriptors
// Use Push Descriptors to Draw Textured Cube
#include "../../samples/utils/geometries.hpp"
#include "../../samples/utils/math.hpp"
#include "../utils/shaders.hpp"
#include "../utils/utils.hpp"
#include "SPIRV/GlslangToSpv.h"
#include <iostream>
#include <thread>
static char const * AppName = "PushDescriptors";
static char const * EngineName = "Vulkan.hpp";
int main( int /*argc*/, char ** /*argv*/ )
{
try
{
vk::raii::Context context;
/* VULKAN_KEY_START */
// To use PUSH_DESCRIPTOR, you must also specify GET_PHYSICAL_DEVICE_PROPERTIES_2
std::vector<vk::ExtensionProperties> extensionProperties = context.enumerateInstanceExtensionProperties();
auto propertyIterator =
std::find_if( extensionProperties.begin(),
extensionProperties.end(),
[]( vk::ExtensionProperties ep ) { return ( strcmp( ep.extensionName, VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME ) == 0 ); } );
if ( propertyIterator == extensionProperties.end() )
{
std::cout << "No GET_PHYSICAL_DEVICE_PROPERTIES_2 extension" << std::endl;
return 0;
}
std::vector<std::string> instanceExtensions = vk::su::getInstanceExtensions();
instanceExtensions.push_back( VK_KHR_GET_PHYSICAL_DEVICE_PROPERTIES_2_EXTENSION_NAME );
vk::raii::Instance instance = vk::raii::su::makeInstance( context, AppName, EngineName, {}, instanceExtensions );
#if !defined( NDEBUG )
vk::raii::DebugUtilsMessengerEXT debugUtilsMessenger( instance, vk::su::makeDebugUtilsMessengerCreateInfoEXT() );
#endif
vk::raii::PhysicalDevice physicalDevice = vk::raii::PhysicalDevices( instance ).front();
// Once instance is created, need to make sure the extension is available
extensionProperties = physicalDevice.enumerateDeviceExtensionProperties();
propertyIterator = std::find_if( extensionProperties.begin(),
extensionProperties.end(),
[]( vk::ExtensionProperties ep ) { return ( strcmp( ep.extensionName, VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME ) == 0 ); } );
if ( propertyIterator == extensionProperties.end() )
{
std::cout << "No extension for push descriptors" << std::endl;
return 0;
}
std::vector<std::string> deviceExtensions = vk::su::getDeviceExtensions();
deviceExtensions.push_back( VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME );
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, deviceExtensions );
vk::raii::CommandPool commandPool =
vk::raii::CommandPool( device, { vk::CommandPoolCreateFlagBits::eResetCommandBuffer, 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 );
// Need to specify that descriptor set layout will be for push descriptors
vk::raii::DescriptorSetLayout descriptorSetLayout =
vk::raii::su::makeDescriptorSetLayout( device,
{ { vk::DescriptorType::eUniformBuffer, 1, vk::ShaderStageFlagBits::eVertex },
{ vk::DescriptorType::eCombinedImageSampler, 1, vk::ShaderStageFlagBits::eFragment } },
vk::DescriptorSetLayoutCreateFlagBits::ePushDescriptorKHR );
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::PipelineCache pipelineCache( device, vk::PipelineCacheCreateInfo() );
vk::raii::Pipeline graphicsPipeline = vk::raii::su::makeGraphicsPipeline( device,
pipelineCache,
vertexShaderModule,
nullptr,
fragmentShaderModule,
nullptr,
sizeof( texturedCubeData[0] ),
{ { vk::Format::eR32G32B32A32Sfloat, 0 }, { vk::Format::eR32G32Sfloat, 16 } },
vk::FrontFace::eClockwise,
true,
pipelineLayout,
renderPass );
// Get the index of the next available swapchain image:
vk::raii::Semaphore imageAcquiredSemaphore( device, vk::SemaphoreCreateInfo() );
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 );
vk::RenderPassBeginInfo renderPassBeginInfo( *renderPass, *framebuffers[imageIndex], vk::Rect2D( vk::Offset2D( 0, 0 ), surfaceData.extent ), clearValues );
commandBuffer.beginRenderPass( renderPassBeginInfo, vk::SubpassContents::eInline );
commandBuffer.bindPipeline( vk::PipelineBindPoint::eGraphics, *graphicsPipeline );
vk::DescriptorBufferInfo bufferInfo( *uniformBufferData.buffer, 0, sizeof( glm::mat4x4 ) );
vk::DescriptorImageInfo imageInfo( *textureData.sampler, *textureData.imageData.imageView, vk::ImageLayout::eShaderReadOnlyOptimal );
vk::WriteDescriptorSet writeDescriptorSets[2] = { vk::WriteDescriptorSet( {}, 0, 0, vk::DescriptorType::eUniformBuffer, {}, bufferInfo ),
vk::WriteDescriptorSet( {}, 1, 0, vk::DescriptorType::eCombinedImageSampler, imageInfo ) };
// this call is from an extension and needs the dynamic dispatcher !!
commandBuffer.pushDescriptorSetKHR( vk::PipelineBindPoint::eGraphics, *pipelineLayout, 0, { 2, writeDescriptorSets } );
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 ) );
/* VULKAN_KEY_END */
device.waitIdle();
}
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;
}