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[dxvk] Reintroduce EXTERNAL->0 subpass dependency

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Ensures that the layout transition happens at the right time, and
otherwise relaxes the barrier since it is assumed that the backend
will emit barriers with the appropriate as necessary.
This commit is contained in:
Philip Rebohle 2020-05-01 21:10:31 +02:00
parent 2089426420
commit 94077ed42b
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GPG Key ID: C8CC613427A31C99
1 changed files with 40 additions and 1 deletions
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41
src/dxvk/dxvk_renderpass.cpp
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@ -140,9 +140,48 @@ namespace dxvk {
if (m_format.depth.format == VK_FORMAT_UNDEFINED)
subpass.pDepthStencilAttachment = nullptr;
std::array<VkSubpassDependency, 3> subpassDeps;
std::array<VkSubpassDependency, 4> subpassDeps;
uint32_t subpassDepCount = 0;
VkPipelineStageFlags renderStages = 0;
VkAccessFlags renderAccess = 0;
if (m_format.depth.format) {
renderStages |= VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT
| VK_PIPELINE_STAGE_LATE_FRAGMENT_TESTS_BIT;
VkImageAspectFlags loadAspects = 0;
if (ops.depthOps.loadOpD == VK_ATTACHMENT_LOAD_OP_LOAD)
loadAspects = VK_IMAGE_ASPECT_DEPTH_BIT;
if (ops.depthOps.loadOpS == VK_ATTACHMENT_LOAD_OP_LOAD)
loadAspects = VK_IMAGE_ASPECT_STENCIL_BIT;
if (loadAspects & imageFormatInfo(m_format.depth.format)->aspectMask)
renderAccess |= VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT;
if (m_format.depth.layout != VK_IMAGE_LAYOUT_DEPTH_STENCIL_READ_ONLY_OPTIMAL)
renderAccess |= VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
}
for (uint32_t i = 0; i < MaxNumRenderTargets; i++) {
if (!m_format.color[i].format)
continue;
renderStages |= VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
renderAccess |= VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
if (ops.colorOps[i].loadOp == VK_ATTACHMENT_LOAD_OP_LOAD)
renderAccess |= VK_ACCESS_COLOR_ATTACHMENT_READ_BIT;
}
if (renderStages) {
subpassDeps[subpassDepCount++] = {
VK_SUBPASS_EXTERNAL, 0,
renderStages, renderStages,
0, renderAccess };
}
if (ops.barrier.srcStages & (
VK_PIPELINE_STAGE_TRANSFORM_FEEDBACK_BIT_EXT |
VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT |