239 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			239 lines
		
	
	
		
			11 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 : ImmutableSampler
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//                     Use an immutable sampler to texture a cube.
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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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#  if ( 9 <= __GNUC__ )
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#    pragma GCC diagnostic ignored "-Winit-list-lifetime"
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#  endif
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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 "vulkan/vulkan_raii.hpp"
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#include <iostream>
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#include <thread>
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static char const * AppName    = "ImmutableSampler";
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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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    std::unique_ptr<vk::raii::Context>  context = vk::raii::su::make_unique<vk::raii::Context>();
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    std::unique_ptr<vk::raii::Instance> instance =
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      vk::raii::su::makeUniqueInstance( *context, AppName, EngineName, {}, vk::su::getInstanceExtensions() );
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#if !defined( NDEBUG )
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    std::unique_ptr<vk::raii::DebugUtilsMessengerEXT> debugUtilsMessenger =
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      vk::raii::su::makeUniqueDebugUtilsMessengerEXT( *instance );
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#endif
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    std::unique_ptr<vk::raii::PhysicalDevice> physicalDevice = vk::raii::su::makeUniquePhysicalDevice( *instance );
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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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    std::unique_ptr<vk::raii::Device> device = vk::raii::su::makeUniqueDevice(
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      *physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
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    std::unique_ptr<vk::raii::CommandPool> commandPool =
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      vk::raii::su::makeUniqueCommandPool( *device, graphicsAndPresentQueueFamilyIndex.first );
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    std::unique_ptr<vk::raii::CommandBuffer> commandBuffer =
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      vk::raii::su::makeUniqueCommandBuffer( *device, *commandPool );
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    std::unique_ptr<vk::raii::Queue> graphicsQueue =
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      vk::raii::su::make_unique<vk::raii::Queue>( *device, graphicsAndPresentQueueFamilyIndex.first, 0 );
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    std::unique_ptr<vk::raii::Queue> presentQueue =
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      vk::raii::su::make_unique<vk::raii::Queue>( *device, graphicsAndPresentQueueFamilyIndex.second, 0 );
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    vk::raii::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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                                               {},
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                                               graphicsAndPresentQueueFamilyIndex.first,
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                                               graphicsAndPresentQueueFamilyIndex.second );
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    vk::raii::su::DepthBufferData depthBufferData(
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      *physicalDevice, *device, vk::Format::eD16Unorm, surfaceData.extent );
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    vk::raii::su::BufferData uniformBufferData(
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      *physicalDevice, *device, sizeof( glm::mat4x4 ), vk::BufferUsageFlagBits::eUniformBuffer );
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    glm::mat4x4 mvpcMatrix = vk::su::createModelViewProjectionClipMatrix( surfaceData.extent );
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    vk::raii::su::copyToDevice( *uniformBufferData.deviceMemory, mvpcMatrix );
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    vk::Format colorFormat =
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      vk::su::pickSurfaceFormat( physicalDevice->getSurfaceFormatsKHR( **surfaceData.surface ) ).format;
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    std::unique_ptr<vk::raii::RenderPass> renderPass =
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      vk::raii::su::makeUniqueRenderPass( *device, colorFormat, depthBufferData.format );
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    glslang::InitializeProcess();
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    std::unique_ptr<vk::raii::ShaderModule> vertexShaderModule =
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      vk::raii::su::makeUniqueShaderModule( *device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PT_T );
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    std::unique_ptr<vk::raii::ShaderModule> fragmentShaderModule =
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      vk::raii::su::makeUniqueShaderModule( *device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C );
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    glslang::FinalizeProcess();
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    std::vector<std::unique_ptr<vk::raii::Framebuffer>> framebuffers = vk::raii::su::makeUniqueFramebuffers(
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      *device, *renderPass, swapChainData.imageViews, depthBufferData.imageView, surfaceData.extent );
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    vk::raii::su::BufferData vertexBufferData(
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      *physicalDevice, *device, sizeof( texturedCubeData ), vk::BufferUsageFlagBits::eVertexBuffer );
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    vk::raii::su::copyToDevice(
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      *vertexBufferData.deviceMemory, texturedCubeData, sizeof( texturedCubeData ) / sizeof( texturedCubeData[0] ) );
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    /* VULKAN_KEY_START */
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    vk::raii::su::TextureData textureData( *physicalDevice, *device );
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    commandBuffer->begin( vk::CommandBufferBeginInfo() );
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    textureData.setImage( *commandBuffer, vk::su::CheckerboardImageGenerator() );
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    std::array<vk::DescriptorSetLayoutBinding, 2> bindings = {
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      vk::DescriptorSetLayoutBinding( 0, vk::DescriptorType::eUniformBuffer, 1, vk::ShaderStageFlagBits::eVertex ),
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      vk::DescriptorSetLayoutBinding(
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        1, vk::DescriptorType::eCombinedImageSampler, vk::ShaderStageFlagBits::eFragment, **textureData.sampler )
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    };
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    vk::DescriptorSetLayoutCreateInfo              descriptorSetLayoutCreateInfo( {}, bindings );
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    std::unique_ptr<vk::raii::DescriptorSetLayout> descriptorSetLayout =
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      vk::raii::su::make_unique<vk::raii::DescriptorSetLayout>( *device, descriptorSetLayoutCreateInfo );
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    // Create pipeline layout
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    vk::PipelineLayoutCreateInfo              pipelineLayoutCreateInfo( {}, **descriptorSetLayout );
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    std::unique_ptr<vk::raii::PipelineLayout> pipelineLayout =
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      vk::raii::su::make_unique<vk::raii::PipelineLayout>( *device, pipelineLayoutCreateInfo );
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    // Create a single pool to contain data for our descriptor set
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    std::array<vk::DescriptorPoolSize, 2> poolSizes = { vk::DescriptorPoolSize( vk::DescriptorType::eUniformBuffer, 1 ),
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                                                        vk::DescriptorPoolSize(
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                                                          vk::DescriptorType::eCombinedImageSampler, 1 ) };
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    vk::DescriptorPoolCreateInfo          descriptorPoolCreateInfo(
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      vk::DescriptorPoolCreateFlagBits::eFreeDescriptorSet, 1, poolSizes );
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    std::unique_ptr<vk::raii::DescriptorPool> descriptorPool =
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      vk::raii::su::make_unique<vk::raii::DescriptorPool>( *device, descriptorPoolCreateInfo );
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    // Populate descriptor sets
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    vk::DescriptorSetAllocateInfo            descriptorSetAllocateInfo( **descriptorPool, **descriptorSetLayout );
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    std::unique_ptr<vk::raii::DescriptorSet> descriptorSet = vk::raii::su::make_unique<vk::raii::DescriptorSet>(
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      std::move( vk::raii::DescriptorSets( *device, descriptorSetAllocateInfo ).front() ) );
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    vk::DescriptorBufferInfo bufferInfo( **uniformBufferData.buffer, 0, sizeof( glm::mat4x4 ) );
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    vk::DescriptorImageInfo  imageInfo(
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      **textureData.sampler, **textureData.imageData->imageView, vk::ImageLayout::eShaderReadOnlyOptimal );
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    std::array<vk::WriteDescriptorSet, 2> writeDescriptorSets = {
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      vk::WriteDescriptorSet( **descriptorSet, 0, 0, vk::DescriptorType::eUniformBuffer, {}, bufferInfo ),
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      vk::WriteDescriptorSet( **descriptorSet, 1, 0, vk::DescriptorType::eCombinedImageSampler, imageInfo )
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    };
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    device->updateDescriptorSets( writeDescriptorSets, nullptr );
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    /* VULKAN_KEY_END */
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    std::unique_ptr<vk::raii::PipelineCache> pipelineCache =
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      vk::raii::su::make_unique<vk::raii::PipelineCache>( *device, vk::PipelineCacheCreateInfo() );
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    std::unique_ptr<vk::raii::Pipeline> graphicsPipeline = vk::raii::su::makeUniqueGraphicsPipeline(
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      *device,
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      *pipelineCache,
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      *vertexShaderModule,
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      nullptr,
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      *fragmentShaderModule,
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      nullptr,
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      sizeof( texturedCubeData[0] ),
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      { { vk::Format::eR32G32B32A32Sfloat, 0 }, { vk::Format::eR32G32Sfloat, 16 } },
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      vk::FrontFace::eClockwise,
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      true,
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      *pipelineLayout,
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      *renderPass );
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    std::unique_ptr<vk::raii::Semaphore> imageAcquiredSemaphore =
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      vk::raii::su::make_unique<vk::raii::Semaphore>( *device, vk::SemaphoreCreateInfo() );
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    vk::Result result;
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    uint32_t   imageIndex;
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    std::tie( result, imageIndex ) =
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      swapChainData.swapChain->acquireNextImage( vk::su::FenceTimeout, **imageAcquiredSemaphore );
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    assert( result == vk::Result::eSuccess );
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    assert( imageIndex < swapChainData.images.size() );
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    std::array<vk::ClearValue, 2> clearValues;
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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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    vk::RenderPassBeginInfo renderPassBeginInfo(
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      **renderPass, **framebuffers[imageIndex], vk::Rect2D( vk::Offset2D( 0, 0 ), surfaceData.extent ), clearValues );
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    commandBuffer->beginRenderPass( renderPassBeginInfo, vk::SubpassContents::eInline );
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    commandBuffer->bindPipeline( vk::PipelineBindPoint::eGraphics, **graphicsPipeline );
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    commandBuffer->bindDescriptorSets(
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      vk::PipelineBindPoint::eGraphics, **pipelineLayout, 0, { **descriptorSet }, nullptr );
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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::raii::su::submitAndWait( *device, *graphicsQueue, *commandBuffer );
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    vk::PresentInfoKHR presentInfoKHR( nullptr, **swapChainData.swapChain, imageIndex );
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    result = presentQueue->presentKHR( presentInfoKHR );
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    switch ( result )
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    {
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      case vk::Result::eSuccess: break;
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      case vk::Result::eSuboptimalKHR:
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        std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
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        break;
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      default: assert( false );  // an unexpected result is returned !
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    }
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    std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
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    device->waitIdle();
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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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