mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-09-20 14:02:17 +00:00
264 lines
12 KiB
C++
264 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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#include "../utils/utils.hpp"
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#include "vulkan/vulkan.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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vk::UniqueInstance instance = vk::su::createInstance( AppName, EngineName, {}, vk::su::getInstanceExtensions() );
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#if !defined( NDEBUG )
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vk::UniqueDebugUtilsMessengerEXT debugUtilsMessenger = vk::su::createDebugUtilsMessenger( instance );
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#endif
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vk::PhysicalDevice physicalDevice = instance->enumeratePhysicalDevices().front();
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vk::su::SurfaceData surfaceData( instance, AppName, vk::Extent2D( 640, 640 ) );
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vk::SurfaceCapabilitiesKHR surfaceCapabilities =
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physicalDevice.getSurfaceCapabilitiesKHR( surfaceData.surface.get() );
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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::su::findGraphicsAndPresentQueueFamilyIndex( physicalDevice, *surfaceData.surface );
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vk::UniqueDevice device =
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vk::su::createDevice( physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
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vk::UniqueCommandPool commandPool = vk::su::createCommandPool( device, graphicsAndPresentQueueFamilyIndex.first );
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vk::UniqueCommandBuffer commandBuffer = std::move( device
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->allocateCommandBuffersUnique( vk::CommandBufferAllocateInfo(
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commandPool.get(), vk::CommandBufferLevel::ePrimary, 1 ) )
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.front() );
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vk::Queue graphicsQueue = device->getQueue( graphicsAndPresentQueueFamilyIndex.first, 0 );
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vk::Queue presentQueue = device->getQueue( graphicsAndPresentQueueFamilyIndex.second, 0 );
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vk::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::eTransferDst,
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vk::UniqueSwapchainKHR(),
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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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vk::UniqueSemaphore imageAcquiredSemaphore = device->createSemaphoreUnique( vk::SemaphoreCreateInfo() );
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// Get the index of the next available swapchain image:
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vk::ResultValue<uint32_t> nextImage = device->acquireNextImageKHR(
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swapChainData.swapChain.get(), vk::su::FenceTimeout, imageAcquiredSemaphore.get(), nullptr );
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assert( nextImage.result == vk::Result::eSuccess );
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assert( nextImage.value < swapChainData.images.size() );
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uint32_t currentBuffer = nextImage.value;
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commandBuffer->begin( vk::CommandBufferBeginInfo() );
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vk::su::setImageLayout( commandBuffer,
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swapChainData.images[currentBuffer],
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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( vk::ImageCreateFlags(),
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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::UniqueImage blitSourceImage = device->createImageUnique( imageCreateInfo );
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vk::PhysicalDeviceMemoryProperties memoryProperties = physicalDevice.getMemoryProperties();
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vk::MemoryRequirements memoryRequirements = device->getImageMemoryRequirements( blitSourceImage.get() );
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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::UniqueDeviceMemory deviceMemory =
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device->allocateMemoryUnique( vk::MemoryAllocateInfo( memoryRequirements.size, memoryTypeIndex ) );
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device->bindImageMemory( blitSourceImage.get(), deviceMemory.get(), 0 );
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vk::su::setImageLayout( commandBuffer,
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blitSourceImage.get(),
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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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vk::UniqueFence commandFence = device->createFenceUnique( {} );
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vk::PipelineStageFlags pipeStageFlags( vk::PipelineStageFlagBits::eColorAttachmentOutput );
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graphicsQueue.submit( vk::SubmitInfo( *imageAcquiredSemaphore, pipeStageFlags, *commandBuffer ),
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commandFence.get() );
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/* Make sure command buffer is finished before mapping */
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while ( device->waitForFences( commandFence.get(), 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 *>( device->mapMemory( deviceMemory.get(), 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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device->flushMappedMemoryRanges( vk::MappedMemoryRange( deviceMemory.get(), 0, memoryRequirements.size ) );
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device->unmapMemory( deviceMemory.get() );
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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::su::setImageLayout( commandBuffer,
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blitSourceImage.get(),
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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 = swapChainData.images[currentBuffer];
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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.get(),
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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( vk::PipelineStageFlagBits::eTransfer,
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vk::PipelineStageFlagBits::eTransfer,
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vk::DependencyFlags(),
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nullptr,
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nullptr,
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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.get(),
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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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swapChainData.images[currentBuffer],
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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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vk::DependencyFlags(),
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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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vk::UniqueFence drawFence = device->createFenceUnique( {} );
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graphicsQueue.submit( vk::SubmitInfo( {}, {}, *commandBuffer ), drawFence.get() );
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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.get(), 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::Result result =
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presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer, {} ) );
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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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