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fix(agc): treat other-shaped views of a depth surface's memory as reused memory 

Engines alias transient render targets, so a texture can sit at the
address of a depth surface after the memory has been handed to a color
image: a 384x384 R11G11B10 texture over a 384x384 D32S8 surface, say.
Sampling it threw "sampling the depth plane ... is not implemented"
and the draw was skipped.

A view with another extent, or a depth-plane view in a format that
cannot hold the plane (neither the plane's own R32F / R16 unorm nor a
T# that reads the raw depth bits), is now treated as memory reuse: the
lookup falls through to the ordinary texture path instead of the depth
surface. Stencil-plane views keep their current handling.
This commit is contained in:
TideOPL 2026-10-08 10:06:11 +01:00
parent 34c20eedbb
commit 9d65003ced
1 changed files with 10 additions and 1 deletions
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11
core/libs/prx/libSceAgcDriver/Graphics/src/DepthSurface.cpp
View File

@ -169,7 +169,16 @@ std::shared_ptr<Texture> DepthSurfaceTexture(const Context& context, std::span<c
const auto found = std::find_if(list.rbegin(), list.rend(), [&](const auto& surface) {
return surface->context.device == context.device && (surface->target.address == resource.baseAddress || (surface->target.stencilAddress != 0 && surface->target.stencilAddress == resource.baseAddress));
});
return found == list.rend() ? nullptr : (*found)->Sampled(words, resource, components);
if (found == list.rend()) return nullptr;
const auto& target = (*found)->target;
if (resource.width != target.extent.width || resource.height != target.extent.height) return nullptr;
const bool stencil = target.stencilAddress != 0 && resource.baseAddress == target.stencilAddress;
if (!stencil) {
const bool d16 = target.format == VK_FORMAT_D16_UNORM || target.format == VK_FORMAT_D16_UNORM_S8_UINT;
const bool depthBits = words.size() >= 4 && ShaderRecompiler::DepthBitsTextureWidth(words[1], words[3]) == (d16 ? 16u : 32u);
if (ResolveTextureFormat(resource.format) != (d16 ? VK_FORMAT_R16_UNORM : VK_FORMAT_R32_SFLOAT) && !depthBits) return nullptr;
}
return (*found)->Sampled(words, resource, components);
}
bool DepthSurfaceAt(std::uint64_t address) {