261 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			261 lines
		
	
	
		
			12 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 : CopyBlitImage
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| //                     Draw a cube
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| 
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| #include "../utils/utils.hpp"
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| 
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| #include <thread>
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| 
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| static char const * AppName    = "CopyBlitImage";
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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 =
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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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| 
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|     vk::raii::su::SurfaceData surfaceData( instance, AppName, vk::Extent2D( 640, 640 ) );
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| 
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|     vk::SurfaceCapabilitiesKHR surfaceCapabilities = physicalDevice.getSurfaceCapabilitiesKHR( *surfaceData.surface );
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|     if ( !( surfaceCapabilities.supportedUsageFlags & vk::ImageUsageFlagBits::eTransferDst ) )
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|     {
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|       std::cout << "Surface cannot be destination of blit - abort \n";
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|       exit( -1 );
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|     }
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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(
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|       physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
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| 
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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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| 
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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 |
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|                                                  vk::ImageUsageFlagBits::eTransferSrc |
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|                                                  vk::ImageUsageFlagBits::eTransferDst,
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|                                                {},
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|                                                graphicsAndPresentQueueFamilyIndex.first,
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|                                                graphicsAndPresentQueueFamilyIndex.second );
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| 
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|     /* VULKAN_KEY_START */
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| #if !defined( NDEBUG )
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|     vk::FormatProperties formatProperties = physicalDevice.getFormatProperties( swapChainData.colorFormat );
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|     assert( ( formatProperties.linearTilingFeatures & vk::FormatFeatureFlagBits::eBlitSrc ) &&
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|             "Format cannot be used as transfer source" );
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| #endif
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| 
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|     vk::raii::Semaphore imageAcquiredSemaphore( device, vk::SemaphoreCreateInfo() );
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| 
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|     // Get the index of the next available swapchain image:
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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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| 
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|     commandBuffer.begin( vk::CommandBufferBeginInfo() );
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|     vk::raii::su::setImageLayout( commandBuffer,
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|                                   static_cast<vk::Image>( swapChainData.images[imageIndex] ),
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|                                   swapChainData.colorFormat,
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|                                   vk::ImageLayout::eUndefined,
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|                                   vk::ImageLayout::eTransferDstOptimal );
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| 
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|     // Create an image, map it, and write some values to the image
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|     vk::ImageCreateInfo imageCreateInfo( {},
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|                                          vk::ImageType::e2D,
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|                                          swapChainData.colorFormat,
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|                                          vk::Extent3D( surfaceData.extent, 1 ),
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|                                          1,
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|                                          1,
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|                                          vk::SampleCountFlagBits::e1,
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|                                          vk::ImageTiling::eLinear,
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|                                          vk::ImageUsageFlagBits::eTransferSrc );
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|     vk::raii::Image     blitSourceImage( device, imageCreateInfo );
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| 
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|     vk::PhysicalDeviceMemoryProperties memoryProperties   = physicalDevice.getMemoryProperties();
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|     vk::MemoryRequirements             memoryRequirements = blitSourceImage.getMemoryRequirements();
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|     uint32_t                           memoryTypeIndex    = vk::su::findMemoryType(
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|       memoryProperties, memoryRequirements.memoryTypeBits, vk::MemoryPropertyFlagBits::eHostVisible );
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| 
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|     vk::MemoryAllocateInfo memoryAllocateInfo( memoryRequirements.size, memoryTypeIndex );
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|     vk::raii::DeviceMemory deviceMemory( device, memoryAllocateInfo );
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|     blitSourceImage.bindMemory( *deviceMemory, 0 );
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| 
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|     vk::raii::su::setImageLayout( commandBuffer,
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|                                   *blitSourceImage,
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|                                   swapChainData.colorFormat,
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|                                   vk::ImageLayout::eUndefined,
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|                                   vk::ImageLayout::eGeneral );
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| 
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|     commandBuffer.end();
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| 
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|     /* Queue the command buffer for execution */
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|     vk::raii::Fence        commandFence( 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, *commandFence );
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| 
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|     /* Make sure command buffer is finished before mapping */
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|     while ( device.waitForFences( { *commandFence }, true, vk::su::FenceTimeout ) == vk::Result::eTimeout )
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|       ;
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| 
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|     unsigned char * pImageMemory = static_cast<unsigned char *>( deviceMemory.mapMemory( 0, memoryRequirements.size ) );
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| 
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|     // Checkerboard of 8x8 pixel squares
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|     for ( uint32_t row = 0; row < surfaceData.extent.height; row++ )
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|     {
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|       for ( uint32_t col = 0; col < surfaceData.extent.width; col++ )
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|       {
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|         unsigned char rgb = ( ( ( row & 0x8 ) == 0 ) ^ ( ( col & 0x8 ) == 0 ) ) * 255;
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|         pImageMemory[0]   = rgb;
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|         pImageMemory[1]   = rgb;
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|         pImageMemory[2]   = rgb;
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|         pImageMemory[3]   = 255;
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|         pImageMemory += 4;
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|       }
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|     }
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| 
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|     // Flush the mapped memory and then unmap it. Assume it isn't coherent since we didn't really confirm
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|     vk::MappedMemoryRange mappedMemoryRange( *deviceMemory, 0, memoryRequirements.size );
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|     device.flushMappedMemoryRanges( mappedMemoryRange );
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|     deviceMemory.unmapMemory();
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| 
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|     commandBuffer.reset( {} );
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|     commandBuffer.begin( vk::CommandBufferBeginInfo() );
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| 
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|     // Intend to blit from this image, set the layout accordingly
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|     vk::raii::su::setImageLayout( commandBuffer,
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|                                   *blitSourceImage,
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|                                   swapChainData.colorFormat,
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|                                   vk::ImageLayout::eGeneral,
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|                                   vk::ImageLayout::eTransferSrcOptimal );
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| 
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|     vk::Image blitDestinationImage = static_cast<vk::Image>( swapChainData.images[imageIndex] );
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| 
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|     // Do a 32x32 blit to all of the dst image - should get big squares
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|     vk::ImageSubresourceLayers imageSubresourceLayers( vk::ImageAspectFlagBits::eColor, 0, 0, 1 );
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|     vk::ImageBlit              imageBlit(
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|       imageSubresourceLayers,
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|       { { vk::Offset3D( 0, 0, 0 ), vk::Offset3D( 32, 32, 1 ) } },
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|       imageSubresourceLayers,
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|       { { vk::Offset3D( 0, 0, 0 ), vk::Offset3D( surfaceData.extent.width, surfaceData.extent.height, 1 ) } } );
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|     commandBuffer.blitImage( *blitSourceImage,
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|                              vk::ImageLayout::eTransferSrcOptimal,
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|                              blitDestinationImage,
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|                              vk::ImageLayout::eTransferDstOptimal,
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|                              imageBlit,
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|                              vk::Filter::eLinear );
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| 
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|     // Use a barrier to make sure the blit is finished before the copy starts
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|     vk::ImageMemoryBarrier memoryBarrier( vk::AccessFlagBits::eTransferWrite,
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|                                           vk::AccessFlagBits::eMemoryRead,
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|                                           vk::ImageLayout::eTransferDstOptimal,
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|                                           vk::ImageLayout::eTransferDstOptimal,
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|                                           VK_QUEUE_FAMILY_IGNORED,
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|                                           VK_QUEUE_FAMILY_IGNORED,
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|                                           blitDestinationImage,
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|                                           vk::ImageSubresourceRange( vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1 ) );
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|     commandBuffer.pipelineBarrier(
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|       vk::PipelineStageFlagBits::eTransfer, vk::PipelineStageFlagBits::eTransfer, {}, nullptr, nullptr, memoryBarrier );
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| 
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|     // Do a image copy to part of the dst image - checks should stay small
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|     vk::ImageCopy imageCopy( imageSubresourceLayers,
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|                              vk::Offset3D(),
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|                              imageSubresourceLayers,
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|                              vk::Offset3D( 256, 256, 0 ),
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|                              vk::Extent3D( 128, 128, 1 ) );
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|     commandBuffer.copyImage( *blitSourceImage,
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|                              vk::ImageLayout::eTransferSrcOptimal,
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|                              blitDestinationImage,
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|                              vk::ImageLayout::eTransferDstOptimal,
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|                              imageCopy );
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| 
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|     vk::ImageMemoryBarrier prePresentBarrier(
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|       vk::AccessFlagBits::eTransferWrite,
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|       vk::AccessFlagBits::eMemoryRead,
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|       vk::ImageLayout::eTransferDstOptimal,
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|       vk::ImageLayout::ePresentSrcKHR,
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|       VK_QUEUE_FAMILY_IGNORED,
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|       VK_QUEUE_FAMILY_IGNORED,
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|       blitDestinationImage,
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|       vk::ImageSubresourceRange( vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1 ) );
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|     commandBuffer.pipelineBarrier( vk::PipelineStageFlagBits::eTransfer,
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|                                    vk::PipelineStageFlagBits::eTopOfPipe,
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|                                    {},
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|                                    nullptr,
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|                                    nullptr,
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|                                    prePresentBarrier );
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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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|     submitInfo = vk::SubmitInfo( {}, {}, *commandBuffer );
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|     graphicsQueue.submit( submitInfo, *drawFence );
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|     graphicsQueue.waitIdle();
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| 
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|     /* Make sure command buffer is finished before presenting */
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|     while ( device.waitForFences( { *drawFence }, true, vk::su::FenceTimeout ) == vk::Result::eTimeout )
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|       ;
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| 
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|     /* Now present the image in the window */
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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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| 
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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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