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graphics: support depth targets with read-only backing

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nmzik
2026-08-20 07:56:30 +02:00
parent fbdc1e8714
commit 6f9ed6ffe5
3 changed files with 28 additions and 3 deletions
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tests/ShaderRecompilerComputeTests.cpp
+23
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@@ -7491,7 +7491,30 @@ public:
!texture_cache.GetImage(phased_depth.image_id).usage.depth_target,
"valid PS5 texture-compatibility policy changed logical depth image "
"identity or discovery side effects");
auto read_only_depth_target = phased_depth_target;
read_only_depth_target.z_write_base_addr = 0;
read_only_depth_target.depth_view.depth_write_disable = true;
registers.SetDepthRenderTarget(read_only_depth_target);
auto read_only_depth_control = phased_depth_control;
read_only_depth_control.z_write_enable = false;
registers.SetDepthControl(read_only_depth_control);
RenderDepthInfo read_only_depth{};
RenderExecutorTestAccess::ResolveRenderDepthTarget(
executor, 1, scheduler.Current(), read_only_depth);
Require(
name, "read-only depth target without write address",
read_only_depth.image_id == phased_depth.image_id &&
read_only_depth.depth_buffer_vaddr == phased_depth_address &&
!read_only_depth.depth_write_enable &&
!read_only_depth.AttachmentWriteAspects() &&
depth_attachment_layout(read_only_depth) ==
vk::ImageLayout::eDepthStencilReadOnlyOptimal,
"a PS5 read-only depth target required a depth write address or "
"selected a writable host layout");
registers.SetDepthRenderTarget(phased_depth_target);
registers.SetDepthControl(phased_depth_control);
RenderColorInfo no_color{};
auto phased_rendering = RenderExecutorTestAccess::AcquireRenderTargets(
executor, scheduler.Current(), &no_color, 0, phased_depth);