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Track depth and stencil attachment feedback across graphics stages

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Co-authored-by: TarkusR <90155059+TarkusR@users.noreply.github.com>
This commit is contained in:
nmzik
2026-09-24 02:25:58 +04:00
parent 51c34d1a24
commit 66cc2fe26d
5 changed files with 293 additions and 66 deletions
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src/graphics/host_gpu/renderer/depthRenderTarget.h
+31 -2
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@@ -41,13 +41,42 @@ struct RenderDepthInfo {
[[nodiscard]] vk::ImageAspectFlags AttachmentWriteAspects() const;
};
inline vk::ImageAspectFlags DepthFeedbackAspects(vk::ImageAspectFlags draw_writes,
const ImageViewInfo& target,
const ImageViewInfo& sampled) {
if (!ImageRangeOverlaps(target.base_level, target.level_count, sampled.base_level,
sampled.level_count) ||
!ImageRangeOverlaps(target.base_layer, target.layer_count, sampled.base_layer,
sampled.layer_count)) {
return {};
}
return draw_writes & sampled.aspect;
}
inline vk::ImageAspectFlags DepthReadableAspects(vk::ImageLayout layout) {
switch (layout) {
case vk::ImageLayout::eDepthReadOnlyOptimal:
case vk::ImageLayout::eDepthReadOnlyStencilAttachmentOptimal:
return vk::ImageAspectFlagBits::eDepth;
case vk::ImageLayout::eStencilReadOnlyOptimal:
case vk::ImageLayout::eDepthAttachmentStencilReadOnlyOptimal:
return vk::ImageAspectFlagBits::eStencil;
case vk::ImageLayout::eDepthStencilReadOnlyOptimal:
case vk::ImageLayout::eAttachmentFeedbackLoopOptimalEXT:
case vk::ImageLayout::eGeneral:
return vk::ImageAspectFlagBits::eDepth | vk::ImageAspectFlagBits::eStencil;
default:
return {};
}
}
inline vk::ImageLayout depth_attachment_layout(const RenderDepthInfo& depth) {
const auto available = ImageViewOps::DepthAspectMask(depth.desc.view_info.format);
const auto writes = depth.AttachmentWriteAspects();
const bool has_depth = static_cast<bool>(available & vk::ImageAspectFlagBits::eDepth);
const bool has_stencil = static_cast<bool>(available & vk::ImageAspectFlagBits::eStencil);
// LoadOp clears are separate from guest depth writes.
const bool depth_write = depth.depth_write_enable;
// The attachment layout must permit load clears as well as draw writes.
const bool depth_write = static_cast<bool>(writes & vk::ImageAspectFlagBits::eDepth);
const bool stencil_write = static_cast<bool>(writes & vk::ImageAspectFlagBits::eStencil);
if (!has_stencil) {
return depth_write ? vk::ImageLayout::eDepthAttachmentOptimal