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GS/TC: Use temporary source on invalid TEX0.

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This commit is contained in:
TJnotJT
2026-05-06 19:18:04 +02:00
committed by lightningterror
parent f9885315bd
commit 00c85c4a8f
3 changed files with 34 additions and 0 deletions
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pcsx2/GS/GSUtil.cpp
+24
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@@ -339,3 +339,27 @@ const char* GSUtil::GetPSMName(int psm)
}
return "BAD_PSM";
}
bool GSUtil::IsValidPSM(int psm)
{
switch (psm)
{
case PSMCT32:
case PSMCT24:
case PSMCT16:
case PSMCT16S:
case PSMT8:
case PSMT4:
case PSMT8H:
case PSMT4HL:
case PSMT4HH:
case PSMZ32:
case PSMZ24:
case PSMZ16:
case PSMZ16S:
case PSGPU24:
return true;
default:
return false;
}
}
pcsx2/GS/GSUtil.h
+2
View File
@@ -28,6 +28,8 @@ public:
static const char* GetACName(u32 ac);
static const char* GetPerfMonCounterName(GSPerfMon::counter_t counter, bool hw = true);
static bool IsValidPSM(int psm);
static const u32* HasSharedBitsPtr(u32 dpsm);
static bool HasSharedBits(u32 spsm, const u32* ptr);
static bool HasSharedBits(u32 spsm, u32 dpsm);
pcsx2/GS/Renderers/HW/GSTextureCache.cpp
+8
View File
@@ -1340,6 +1340,14 @@ GSTextureCache::Source* GSTextureCache::LookupSource(const bool is_color, const
return nullptr;
}
// Invalid values show up in dumps but it's unclear if it's a core issue or a bug in the games.
// Return a temporary source to prevent the lookup from corrupting the TC.
if (TEX0.TBW > 32 && !GSUtil::IsValidPSM(static_cast<int>(TEX0.PSM)))
{
GL_CACHE("TC: Invalid TEX0 (TBW=%d, PSM=%x), using temporary source.", TEX0.TBW, TEX0.PSM);
return CreateSource(TEX0, TEXA, CLAMP, nullptr, 0, 0, nullptr, nullptr, nullptr, SourceRegion(), true);
}
const GSVector2i compare_lod(lod ? *lod : GSVector2i(0, 0));
Source* src = nullptr;