mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-10-14 16:32:17 +00:00
203 lines
9.7 KiB
C++
203 lines
9.7 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 : Template
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// Template sample to start from. Draw textured cube with mostly helpers.
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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.hpp"
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#include <iostream>
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#include <thread>
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static char const * AppName = "Template";
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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 =
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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 = std::move( 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.pSurface );
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vk::raii::Device device = vk::raii::su::makeDevice(
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physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
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vk::raii::CommandPool commandPool = vk::raii::CommandPool(
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device, { vk::CommandPoolCreateFlagBits::eResetCommandBuffer, graphicsAndPresentQueueFamilyIndex.first } );
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vk::raii::CommandBuffer commandBuffer = vk::raii::su::makeCommandBuffer( device, commandPool );
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vk::raii::Queue graphicsQueue( device, graphicsAndPresentQueueFamilyIndex.first, 0 );
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vk::raii::Queue presentQueue( device, graphicsAndPresentQueueFamilyIndex.second, 0 );
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vk::raii::su::SwapChainData swapChainData( physicalDevice,
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device,
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*surfaceData.pSurface,
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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( physicalDevice, device, vk::Format::eD16Unorm, surfaceData.extent );
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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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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::raii::DescriptorSetLayout descriptorSetLayout = vk::raii::su::makeDescriptorSetLayout(
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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::raii::PipelineLayout pipelineLayout( device, { {}, *descriptorSetLayout } );
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vk::Format colorFormat =
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vk::su::pickSurfaceFormat( physicalDevice.getSurfaceFormatsKHR( **surfaceData.pSurface ) ).format;
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vk::raii::RenderPass renderPass = vk::raii::su::makeRenderPass( device, colorFormat, depthBufferData.format );
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glslang::InitializeProcess();
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vk::raii::ShaderModule vertexShaderModule =
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vk::raii::su::makeShaderModule( device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PT_T );
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vk::raii::ShaderModule fragmentShaderModule =
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vk::raii::su::makeShaderModule( device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C );
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glslang::FinalizeProcess();
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std::vector<vk::raii::Framebuffer> framebuffers = vk::raii::su::makeFramebuffers(
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device, renderPass, swapChainData.imageViews, &*depthBufferData.pImageView, 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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vk::raii::DescriptorPool descriptorPool = vk::raii::su::makeDescriptorPool(
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device, { { vk::DescriptorType::eUniformBuffer, 1 }, { vk::DescriptorType::eCombinedImageSampler, 1 } } );
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vk::raii::DescriptorSet descriptorSet =
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std::move( vk::raii::DescriptorSets( device, { *descriptorPool, *descriptorSetLayout } ).front() );
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vk::raii::su::updateDescriptorSets( device,
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descriptorSet,
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{ { vk::DescriptorType::eUniformBuffer, uniformBufferData.buffer, nullptr } },
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{ textureData } );
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vk::raii::PipelineCache pipelineCache( device, vk::PipelineCacheCreateInfo() );
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vk::raii::Pipeline graphicsPipeline =
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vk::raii::su::makeGraphicsPipeline( 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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// Get the index of the next available swapchain image:
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vk::raii::Semaphore imageAcquiredSemaphore( 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.pSwapChain->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::Fence drawFence( device, vk::FenceCreateInfo() );
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vk::PipelineStageFlags waitDestinationStageMask( vk::PipelineStageFlagBits::eColorAttachmentOutput );
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vk::SubmitInfo submitInfo( *imageAcquiredSemaphore, waitDestinationStageMask, *commandBuffer );
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graphicsQueue.submit( submitInfo, *drawFence );
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while ( vk::Result::eTimeout == device.waitForFences( { *drawFence }, VK_TRUE, vk::su::FenceTimeout ) )
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;
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vk::PresentInfoKHR presentInfoKHR( nullptr, **swapChainData.pSwapChain, 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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