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Resolve synchronization issue in [RAII_]Samples/InputAttachment. (#1644)

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This commit is contained in:
Andreas Süßenbach
2023-08-24 08:32:15 +02:00
committed by GitHub
parent fee04df943
commit 17fa2b92f7
2 changed files with 38 additions and 19 deletions
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32
samples/InputAttachment/InputAttachment.cpp
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@@ -65,7 +65,8 @@ void main()
outColor = subpassLoad(inputAttachment);
}
)";
int main( int /*argc*/, char ** /*argv*/ )
int main( int /*argc*/, char ** /*argv*/ )
{
try
{
@@ -137,9 +138,8 @@ int main( int /*argc*/, char ** /*argv*/ )
vk::ClearColorValue( 1.0f, 1.0f, 0.0f, 0.0f ),
vk::ImageSubresourceRange( vk::ImageAspectFlagBits::eColor, 0, VK_REMAINING_MIP_LEVELS, 0, VK_REMAINING_ARRAY_LAYERS ) );
// Set the image layout to SHADER_READONLY_OPTIMAL for use by the shaders
vk::su::setImageLayout(
commandBuffer, inputImage, swapChainData.colorFormat, vk::ImageLayout::eTransferDstOptimal, vk::ImageLayout::eShaderReadOnlyOptimal );
// Transitioning the layout of the inputImage from TransferDstOptimal to ShaderReadOnlyOptimal is implicitly done by a subpassDependency in the
// RenderPassCreateInfo below
vk::ImageViewCreateInfo imageViewCreateInfo(
{}, inputImage, vk::ImageViewType::e2D, swapChainData.colorFormat, {}, { vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1 } );
@@ -173,13 +173,23 @@ int main( int /*argc*/, char ** /*argv*/ )
vk::AttachmentStoreOp::eDontCare,
vk::AttachmentLoadOp::eDontCare,
vk::AttachmentStoreOp::eDontCare,
vk::ImageLayout::eShaderReadOnlyOptimal,
vk::ImageLayout::eTransferDstOptimal, // transition layout from TransferDstOptimal to ShaderReadOnlyOptimal
vk::ImageLayout::eShaderReadOnlyOptimal )
};
vk::AttachmentReference colorReference( 0, vk::ImageLayout::eColorAttachmentOptimal );
vk::AttachmentReference inputReference( 1, vk::ImageLayout::eShaderReadOnlyOptimal );
vk::SubpassDescription subPass( vk::SubpassDescriptionFlags(), vk::PipelineBindPoint::eGraphics, inputReference, colorReference );
vk::RenderPass renderPass = device.createRenderPass( vk::RenderPassCreateInfo( vk::RenderPassCreateFlags(), attachments, subPass ) );
vk::AttachmentReference colorReference( 0, vk::ImageLayout::eColorAttachmentOptimal );
vk::AttachmentReference inputReference( 1, vk::ImageLayout::eShaderReadOnlyOptimal );
vk::SubpassDescription subpassDescription( {}, vk::PipelineBindPoint::eGraphics, inputReference, colorReference );
vk::SubpassDependency subpassDependency( VK_SUBPASS_EXTERNAL,
0,
vk::PipelineStageFlagBits::eTransfer,
vk::PipelineStageFlagBits::eColorAttachmentOutput | vk::PipelineStageFlagBits::eFragmentShader,
vk::AccessFlagBits::eTransferWrite,
vk::AccessFlagBits::eColorAttachmentWrite // needed for first attachment
| vk::AccessFlagBits::eInputAttachmentRead | vk::AccessFlagBits::eShaderRead |
vk::AccessFlagBits::eColorAttachmentRead // needed for second attachment
);
vk::RenderPassCreateInfo renderPassCreateInfo( {}, attachments, subpassDescription, subpassDependency );
vk::RenderPass renderPass = device.createRenderPass( renderPassCreateInfo );
glslang::InitializeProcess();
vk::ShaderModule vertexShaderModule = vk::su::createShaderModule( device, vk::ShaderStageFlagBits::eVertex, vertexShaderText );
@@ -206,7 +216,7 @@ int main( int /*argc*/, char ** /*argv*/ )
std::make_pair( vertexShaderModule, nullptr ),
std::make_pair( fragmentShaderModule, nullptr ),
0,
{},
{},
vk::FrontFace::eClockwise,
false,
pipelineLayout,
@@ -263,7 +273,7 @@ int main( int /*argc*/, char ** /*argv*/ )
device.destroyPipelineLayout( pipelineLayout );
device.destroyDescriptorSetLayout( descriptorSetLayout );
device.destroyImageView( inputAttachmentView );
device.destroyImage( inputImage ); // destroy the inputImage before freeing the bound inputMemory !
device.destroyImage( inputImage ); // destroy the inputImage before freeing the bound inputMemory !
device.freeMemory( inputMemory );
swapChainData.clear( device );
device.freeCommandBuffers( commandPool, commandBuffer );