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fix depth overlap

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This commit is contained in:
nmzik
2026-07-18 08:50:18 +02:00
parent af2f2d54b6
commit 6c1bd853ac
2 changed files with 62 additions and 8 deletions
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src/graphics/host_gpu/renderer/imageInfo.h
+11 -8
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@@ -801,15 +801,18 @@ ClassifyStorageBufferRebind(bool buffer_overlap, bool cached_gpu_modified,
if (!depth_overlap && !stencil_overlap) {
return DepthOverlap::None;
}
const bool has_stencil = depth.stencil_address != 0 || depth.stencil_size != 0;
const bool exact_depth_format =
sampled.format == depth.guest_format &&
((depth.guest_format == Prospero::GpuEnumValue(Prospero::BufferFormat::k16UNorm) &&
depth.format == VK_FORMAT_D16_UNORM && depth.bytes_per_element == 2) ||
(depth.guest_format == Prospero::GpuEnumValue(Prospero::BufferFormat::k32Float) &&
depth.format == VK_FORMAT_D32_SFLOAT && depth.bytes_per_element == 4));
const bool has_stencil = depth.stencil_address != 0 || depth.stencil_size != 0;
const auto* depth_policy = FindGuestDepthFormatPolicy(depth.guest_format);
const bool exact_depth_format =
sampled.format == depth.guest_format && depth_policy != nullptr &&
depth.bytes_per_element == depth_policy->bytes_per_element &&
DepthAspectTransferBytes(depth.format) == depth.bytes_per_element &&
(has_stencil ? IsStencilAttachmentFormat(*depth_policy, depth.format)
: depth.format == depth_policy->depth_attachment_format);
// Keep this equivalent to ResolveDepthOverlap: recreate the sampled color image as
// depth and preserve its depth aspect. A disjoint stencil component is initialized separately.
const bool exact_depth_load =
!has_stencil && !depth.depth_load_clear && sampled.address == depth.address &&
!stencil_overlap && !depth.depth_load_clear && sampled.address == depth.address &&
sampled.size == depth.size && sampled.width == depth.width &&
sampled.height == depth.height && sampled.pitch == depth.pitch && sampled.base_level == 0 &&
sampled.levels == 1 && sampled.view_levels == 1 && sampled.tile == depth.tile_mode &&