mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-10-14 16:32:17 +00:00
267 lines
13 KiB
C++
267 lines
13 KiB
C++
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// 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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#include "../utils/utils.hpp"
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#include <thread>
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static char const * AppName = "CopyBlitImage";
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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( 640, 640 ) );
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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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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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vk::ImageUsageFlagBits::eTransferDst,
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{},
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graphicsAndPresentQueueFamilyIndex.first,
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graphicsAndPresentQueueFamilyIndex.second );
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/* VULKAN_KEY_START */
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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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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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// 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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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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// 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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std::unique_ptr<vk::raii::Image> blitSourceImage = vk::raii::su::make_unique<vk::raii::Image>( *device, imageCreateInfo );
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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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vk::MemoryAllocateInfo memoryAllocateInfo( memoryRequirements.size, memoryTypeIndex );
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std::unique_ptr<vk::raii::DeviceMemory> deviceMemory =
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vk::raii::su::make_unique<vk::raii::DeviceMemory>( *device, memoryAllocateInfo );
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blitSourceImage->bindMemory( **deviceMemory, 0 );
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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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commandBuffer->end();
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/* Queue the command buffer for execution */
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std::unique_ptr<vk::raii::Fence> commandFence = vk::raii::su::make_unique<vk::raii::Fence>( *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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/* 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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unsigned char * pImageMemory =
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static_cast<unsigned char *>( deviceMemory->mapMemory( 0, memoryRequirements.size ) );
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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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// 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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commandBuffer->reset( {} );
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commandBuffer->begin( vk::CommandBufferBeginInfo() );
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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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vk::Image blitDestinationImage = static_cast<vk::Image>( swapChainData.images[imageIndex] );
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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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// 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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// 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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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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std::unique_ptr<vk::raii::Fence> drawFence = vk::raii::su::make_unique<vk::raii::Fence>( *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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/* 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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/* 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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/* 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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