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Fix base subpass depedencies

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Fixes #665
This commit is contained in:
Sascha Willems 2023-01-01 09:14:25 +01:00
parent 6e68f76456
commit 9b624451cb
2 changed files with 24 additions and 31 deletions
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35
examples/triangle/triangle.cpp
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@ -788,26 +788,21 @@ public:
// Note: VK_SUBPASS_EXTERNAL is a special constant that refers to all commands executed outside of the actual renderpass)
std::array<VkSubpassDependency, 2> dependencies;
// First dependency at the start of the renderpass
// Does the transition from final to initial layout
dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL; // Producer of the dependency
dependencies[0].dstSubpass = 0; // Consumer is our single subpass that will wait for the execution dependency
dependencies[0].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; // Match our pWaitDstStageMask when we vkQueueSubmit
dependencies[0].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; // is a loadOp stage for color attachments
dependencies[0].srcAccessMask = 0; // semaphore wait already does memory dependency for us
dependencies[0].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; // is a loadOp CLEAR access mask for color attachments
dependencies[0].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
// Second dependency at the end the renderpass
// Does the transition from the initial to the final layout
// Technically this is the same as the implicit subpass dependency, but we are gonna state it explicitly here
dependencies[1].srcSubpass = 0; // Producer of the dependency is our single subpass
dependencies[1].dstSubpass = VK_SUBPASS_EXTERNAL; // Consumer are all commands outside of the renderpass
dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; // is a storeOp stage for color attachments
dependencies[1].dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; // Do not block any subsequent work
dependencies[1].srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; // is a storeOp `STORE` access mask for color attachments
dependencies[1].dstAccessMask = 0;
dependencies[1].dependencyFlags = VK_DEPENDENCY_BY_REGION_BIT;
// Does the transition from final to initial layout for the depth an color attachments
// Depth attachment
dependencies[0].srcSubpass = VK_SUBPASS_EXTERNAL;
dependencies[0].dstSubpass = 0;
dependencies[0].srcStageMask = VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT;
dependencies[0].dstStageMask = VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT | VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT;
dependencies[0].srcAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
dependencies[0].dstAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT;
// Color attachment
dependencies[1].srcSubpass = VK_SUBPASS_EXTERNAL;
dependencies[1].dstSubpass = 0;
dependencies[1].srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependencies[1].dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependencies[1].srcAccessMask = 0;
dependencies[1].dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_COLOR_ATTACHMENT_READ_BIT;
// Create the actual renderpass
VkRenderPassCreateInfo renderPassInfo = {};