139 lines
6.0 KiB
C++
139 lines
6.0 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 : 13_InitVertexBuffer
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// Initialize vertex buffer
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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( __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 "../utils/utils.hpp"
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#include <iostream>
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static char const * AppName = "13_InitVertexBuffer";
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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( 64, 64 ) );
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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::raii::CommandPool commandPool =
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vk::raii::CommandPool( 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::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 | 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::RenderPass renderPass = vk::raii::su::makeRenderPass( device, swapChainData.colorFormat, depthBufferData.format );
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std::vector<vk::raii::Framebuffer> framebuffers =
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vk::raii::su::makeFramebuffers( device, renderPass, swapChainData.imageViews, &depthBufferData.imageView, surfaceData.extent );
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/* VULKAN_KEY_START */
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// create a vertex buffer for some vertex and color data
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vk::BufferCreateInfo bufferCreateInfo( {}, sizeof( coloredCubeData ), vk::BufferUsageFlagBits::eVertexBuffer );
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vk::raii::Buffer vertexBuffer( device, bufferCreateInfo );
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// allocate device memory for that buffer
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vk::MemoryRequirements memoryRequirements = vertexBuffer.getMemoryRequirements();
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uint32_t memoryTypeIndex = vk::su::findMemoryType( physicalDevice.getMemoryProperties(),
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memoryRequirements.memoryTypeBits,
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vk::MemoryPropertyFlagBits::eHostVisible | vk::MemoryPropertyFlagBits::eHostCoherent );
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vk::MemoryAllocateInfo memoryAllocateInfo( memoryRequirements.size, memoryTypeIndex );
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vk::raii::DeviceMemory deviceMemory( device, memoryAllocateInfo );
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// copy the vertex and color data into that device memory
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uint8_t * pData = static_cast<uint8_t *>( deviceMemory.mapMemory( 0, memoryRequirements.size ) );
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memcpy( pData, coloredCubeData, sizeof( coloredCubeData ) );
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deviceMemory.unmapMemory();
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// and bind the device memory to the vertex buffer
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vertexBuffer.bindMemory( *deviceMemory, 0 );
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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 ) = 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( 0.2f, 0.2f, 0.2f, 0.2f );
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clearValues[1].depthStencil = vk::ClearDepthStencilValue( 1.0f, 0 );
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commandBuffer.begin( {} );
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vk::RenderPassBeginInfo renderPassBeginInfo( *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.bindVertexBuffers( 0, { *vertexBuffer }, { 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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/* 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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