Vulkan-Hpp/samples/CopyBlitImage/CopyBlitImage.cpp

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// Copyright(c) 2019, NVIDIA CORPORATION. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// VulkanHpp Samples : CopyBlitImage
// Draw a cube
#include "../utils/utils.hpp"
#include "vulkan/vulkan.hpp"
#include <thread>
static char const * AppName = "CopyBlitImage";
static char const * EngineName = "Vulkan.hpp";
int main( int /*argc*/, char ** /*argv*/ )
{
try
{
vk::UniqueInstance instance = vk::su::createInstance( AppName, EngineName, {}, vk::su::getInstanceExtensions() );
#if !defined( NDEBUG )
vk::UniqueDebugUtilsMessengerEXT debugUtilsMessenger = vk::su::createDebugUtilsMessenger( instance );
#endif
vk::PhysicalDevice physicalDevice = instance->enumeratePhysicalDevices().front();
vk::su::SurfaceData surfaceData( instance, AppName, vk::Extent2D( 640, 640 ) );
vk::SurfaceCapabilitiesKHR surfaceCapabilities =
physicalDevice.getSurfaceCapabilitiesKHR( surfaceData.surface.get() );
if ( !( surfaceCapabilities.supportedUsageFlags & vk::ImageUsageFlagBits::eTransferDst ) )
{
std::cout << "Surface cannot be destination of blit - abort \n";
exit( -1 );
}
std::pair<uint32_t, uint32_t> graphicsAndPresentQueueFamilyIndex =
vk::su::findGraphicsAndPresentQueueFamilyIndex( physicalDevice, *surfaceData.surface );
vk::UniqueDevice device =
vk::su::createDevice( physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
vk::UniqueCommandPool commandPool = vk::su::createCommandPool( device, graphicsAndPresentQueueFamilyIndex.first );
vk::UniqueCommandBuffer commandBuffer = std::move( device
->allocateCommandBuffersUnique( vk::CommandBufferAllocateInfo(
commandPool.get(), vk::CommandBufferLevel::ePrimary, 1 ) )
.front() );
vk::Queue graphicsQueue = device->getQueue( graphicsAndPresentQueueFamilyIndex.first, 0 );
vk::Queue presentQueue = device->getQueue( graphicsAndPresentQueueFamilyIndex.second, 0 );
vk::su::SwapChainData swapChainData( physicalDevice,
device,
*surfaceData.surface,
surfaceData.extent,
vk::ImageUsageFlagBits::eColorAttachment |
vk::ImageUsageFlagBits::eTransferDst,
vk::UniqueSwapchainKHR(),
graphicsAndPresentQueueFamilyIndex.first,
graphicsAndPresentQueueFamilyIndex.second );
/* VULKAN_KEY_START */
vk::FormatProperties formatProperties = physicalDevice.getFormatProperties( swapChainData.colorFormat );
assert( ( formatProperties.linearTilingFeatures & vk::FormatFeatureFlagBits::eBlitSrc ) &&
"Format cannot be used as transfer source" );
vk::UniqueSemaphore imageAcquiredSemaphore = device->createSemaphoreUnique( vk::SemaphoreCreateInfo() );
// Get the index of the next available swapchain image:
vk::ResultValue<uint32_t> nextImage = device->acquireNextImageKHR(
swapChainData.swapChain.get(), vk::su::FenceTimeout, imageAcquiredSemaphore.get(), nullptr );
assert( nextImage.result == vk::Result::eSuccess );
assert( nextImage.value < swapChainData.images.size() );
uint32_t currentBuffer = nextImage.value;
commandBuffer->begin( vk::CommandBufferBeginInfo() );
vk::su::setImageLayout( commandBuffer,
swapChainData.images[currentBuffer],
swapChainData.colorFormat,
vk::ImageLayout::eUndefined,
vk::ImageLayout::eTransferDstOptimal );
// Create an image, map it, and write some values to the image
vk::ImageCreateInfo imageCreateInfo( vk::ImageCreateFlags(),
vk::ImageType::e2D,
swapChainData.colorFormat,
vk::Extent3D( surfaceData.extent, 1 ),
1,
1,
vk::SampleCountFlagBits::e1,
vk::ImageTiling::eLinear,
vk::ImageUsageFlagBits::eTransferSrc );
vk::UniqueImage blitSourceImage = device->createImageUnique( imageCreateInfo );
vk::PhysicalDeviceMemoryProperties memoryProperties = physicalDevice.getMemoryProperties();
vk::MemoryRequirements memoryRequirements = device->getImageMemoryRequirements( blitSourceImage.get() );
uint32_t memoryTypeIndex = vk::su::findMemoryType(
memoryProperties, memoryRequirements.memoryTypeBits, vk::MemoryPropertyFlagBits::eHostVisible );
vk::UniqueDeviceMemory deviceMemory =
device->allocateMemoryUnique( vk::MemoryAllocateInfo( memoryRequirements.size, memoryTypeIndex ) );
device->bindImageMemory( blitSourceImage.get(), deviceMemory.get(), 0 );
vk::su::setImageLayout( commandBuffer,
blitSourceImage.get(),
swapChainData.colorFormat,
vk::ImageLayout::eUndefined,
vk::ImageLayout::eGeneral );
commandBuffer->end();
/* Queue the command buffer for execution */
vk::UniqueFence commandFence = device->createFenceUnique( {} );
vk::PipelineStageFlags pipeStageFlags( vk::PipelineStageFlagBits::eColorAttachmentOutput );
graphicsQueue.submit( vk::SubmitInfo( *imageAcquiredSemaphore, pipeStageFlags, *commandBuffer ),
commandFence.get() );
/* Make sure command buffer is finished before mapping */
while ( device->waitForFences( commandFence.get(), true, vk::su::FenceTimeout ) == vk::Result::eTimeout )
;
unsigned char * pImageMemory =
static_cast<unsigned char *>( device->mapMemory( deviceMemory.get(), 0, memoryRequirements.size ) );
// Checkerboard of 8x8 pixel squares
for ( uint32_t row = 0; row < surfaceData.extent.height; row++ )
{
for ( uint32_t col = 0; col < surfaceData.extent.width; col++ )
{
unsigned char rgb = ( ( ( row & 0x8 ) == 0 ) ^ ( ( col & 0x8 ) == 0 ) ) * 255;
pImageMemory[0] = rgb;
pImageMemory[1] = rgb;
pImageMemory[2] = rgb;
pImageMemory[3] = 255;
pImageMemory += 4;
}
}
// Flush the mapped memory and then unmap it. Assume it isn't coherent since we didn't really confirm
device->flushMappedMemoryRanges( vk::MappedMemoryRange( deviceMemory.get(), 0, memoryRequirements.size ) );
device->unmapMemory( deviceMemory.get() );
commandBuffer->reset( {} );
commandBuffer->begin( vk::CommandBufferBeginInfo() );
// Intend to blit from this image, set the layout accordingly
vk::su::setImageLayout( commandBuffer,
blitSourceImage.get(),
swapChainData.colorFormat,
vk::ImageLayout::eGeneral,
vk::ImageLayout::eTransferSrcOptimal );
vk::Image blitDestinationImage = swapChainData.images[currentBuffer];
// Do a 32x32 blit to all of the dst image - should get big squares
vk::ImageSubresourceLayers imageSubresourceLayers( vk::ImageAspectFlagBits::eColor, 0, 0, 1 );
vk::ImageBlit imageBlit(
imageSubresourceLayers,
{ { vk::Offset3D( 0, 0, 0 ), vk::Offset3D( 32, 32, 1 ) } },
imageSubresourceLayers,
{ { vk::Offset3D( 0, 0, 0 ), vk::Offset3D( surfaceData.extent.width, surfaceData.extent.height, 1 ) } } );
commandBuffer->blitImage( blitSourceImage.get(),
vk::ImageLayout::eTransferSrcOptimal,
blitDestinationImage,
vk::ImageLayout::eTransferDstOptimal,
imageBlit,
vk::Filter::eLinear );
// Use a barrier to make sure the blit is finished before the copy starts
vk::ImageMemoryBarrier memoryBarrier( vk::AccessFlagBits::eTransferWrite,
vk::AccessFlagBits::eMemoryRead,
vk::ImageLayout::eTransferDstOptimal,
vk::ImageLayout::eTransferDstOptimal,
VK_QUEUE_FAMILY_IGNORED,
VK_QUEUE_FAMILY_IGNORED,
blitDestinationImage,
vk::ImageSubresourceRange( vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1 ) );
commandBuffer->pipelineBarrier( vk::PipelineStageFlagBits::eTransfer,
vk::PipelineStageFlagBits::eTransfer,
vk::DependencyFlags(),
nullptr,
nullptr,
memoryBarrier );
// Do a image copy to part of the dst image - checks should stay small
vk::ImageCopy imageCopy( imageSubresourceLayers,
vk::Offset3D(),
imageSubresourceLayers,
vk::Offset3D( 256, 256, 0 ),
vk::Extent3D( 128, 128, 1 ) );
commandBuffer->copyImage( blitSourceImage.get(),
vk::ImageLayout::eTransferSrcOptimal,
blitDestinationImage,
vk::ImageLayout::eTransferDstOptimal,
imageCopy );
vk::ImageMemoryBarrier prePresentBarrier(
vk::AccessFlagBits::eTransferWrite,
vk::AccessFlagBits::eMemoryRead,
vk::ImageLayout::eTransferDstOptimal,
vk::ImageLayout::ePresentSrcKHR,
VK_QUEUE_FAMILY_IGNORED,
VK_QUEUE_FAMILY_IGNORED,
swapChainData.images[currentBuffer],
vk::ImageSubresourceRange( vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1 ) );
commandBuffer->pipelineBarrier( vk::PipelineStageFlagBits::eTransfer,
vk::PipelineStageFlagBits::eTopOfPipe,
vk::DependencyFlags(),
nullptr,
nullptr,
prePresentBarrier );
commandBuffer->end();
vk::UniqueFence drawFence = device->createFenceUnique( {} );
graphicsQueue.submit( vk::SubmitInfo( {}, {}, *commandBuffer ), drawFence.get() );
graphicsQueue.waitIdle();
/* Make sure command buffer is finished before presenting */
while ( device->waitForFences( drawFence.get(), true, vk::su::FenceTimeout ) == vk::Result::eTimeout )
;
/* Now present the image in the window */
vk::Result result =
presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, currentBuffer, {} ) );
switch ( result )
{
case vk::Result::eSuccess: break;
case vk::Result::eSuboptimalKHR:
std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n";
break;
default: assert( false ); // an unexpected result is returned !
}
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
/* VULKAN_KEY_END */
}
catch ( vk::SystemError & err )
{
std::cout << "vk::SystemError: " << err.what() << std::endl;
exit( -1 );
}
catch ( std::exception & err )
{
std::cout << "std::exception: " << err.what() << std::endl;
exit( -1 );
}
catch ( ... )
{
std::cout << "unknown error\n";
exit( -1 );
}
return 0;
}