183 lines
		
	
	
		
			9.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			183 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 : DrawTexturedCube
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| //                     Draw a textured cube
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| 
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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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| 
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| #include <iostream>
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| #include <thread>
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| 
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| static char const * AppName    = "DrawTexturedCube";
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| static char const * EngineName = "Vulkan.hpp";
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| 
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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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| 
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|     vk::raii::su::SurfaceData surfaceData( instance, AppName, vk::Extent2D( 500, 500 ) );
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     vk::raii::su::DepthBufferData depthBufferData( physicalDevice, device, vk::Format::eD16Unorm, surfaceData.extent );
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| 
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|     vk::raii::su::TextureData textureData( physicalDevice, device );
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| 
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|     commandBuffer.begin( vk::CommandBufferBeginInfo() );
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|     textureData.setImage( commandBuffer, vk::su::CheckerboardImageGenerator() );
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| 
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|     vk::raii::su::BufferData uniformBufferData( 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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| 
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|     vk::raii::DescriptorSetLayout descriptorSetLayout =
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|       vk::raii::su::makeDescriptorSetLayout( 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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| 
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|     vk::Format           colorFormat = vk::su::pickSurfaceFormat( physicalDevice.getSurfaceFormatsKHR( *surfaceData.surface ) ).format;
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|     vk::raii::RenderPass renderPass  = vk::raii::su::makeRenderPass( device, colorFormat, depthBufferData.format );
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| 
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|     glslang::InitializeProcess();
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|     vk::raii::ShaderModule vertexShaderModule   = vk::raii::su::makeShaderModule( device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PT_T );
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|     vk::raii::ShaderModule fragmentShaderModule = vk::raii::su::makeShaderModule( device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C );
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|     glslang::FinalizeProcess();
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| 
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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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| 
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|     vk::raii::su::BufferData vertexBufferData( physicalDevice, device, sizeof( texturedCubeData ), vk::BufferUsageFlagBits::eVertexBuffer );
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|     vk::raii::su::copyToDevice( vertexBufferData.deviceMemory, texturedCubeData, sizeof( texturedCubeData ) / sizeof( texturedCubeData[0] ) );
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| 
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|     vk::raii::DescriptorPool descriptorPool =
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|       vk::raii::su::makeDescriptorPool( device, { { vk::DescriptorType::eUniformBuffer, 1 }, { vk::DescriptorType::eCombinedImageSampler, 1 } } );
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|     vk::raii::DescriptorSet descriptorSet = std::move( vk::raii::DescriptorSets( device, { *descriptorPool, *descriptorSetLayout } ).front() );
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| 
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|     vk::raii::su::updateDescriptorSets(
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|       device, descriptorSet, { { vk::DescriptorType::eUniformBuffer, uniformBufferData.buffer, VK_WHOLE_SIZE, nullptr } }, { textureData } );
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| 
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|     vk::raii::PipelineCache pipelineCache( device, vk::PipelineCacheCreateInfo() );
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|     vk::raii::Pipeline      graphicsPipeline = 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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| 
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|     /* VULKAN_KEY_START */
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| 
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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 ) = 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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| 
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|     // commandBuffer.begin() has already been called above!
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| 
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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( *renderPass, *framebuffers[imageIndex], vk::Rect2D( vk::Offset2D( 0, 0 ), surfaceData.extent ), clearValues );
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| 
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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( vk::PipelineBindPoint::eGraphics, *pipelineLayout, 0, { *descriptorSet }, nullptr );
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| 
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|     commandBuffer.bindVertexBuffers( 0, { *vertexBufferData.buffer }, { 0 } );
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|     commandBuffer.setViewport(
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|       0, vk::Viewport( 0.0f, 0.0f, static_cast<float>( surfaceData.extent.width ), static_cast<float>( surfaceData.extent.height ), 0.0f, 1.0f ) );
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|     commandBuffer.setScissor( 0, vk::Rect2D( vk::Offset2D( 0, 0 ), surfaceData.extent ) );
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| 
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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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| 
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|     vk::raii::Fence drawFence( device, vk::FenceCreateInfo() );
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| 
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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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| 
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|     while ( vk::Result::eTimeout == device.waitForFences( { *drawFence }, VK_TRUE, vk::su::FenceTimeout ) )
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|       ;
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| 
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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: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n"; 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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| 
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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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