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Make sure to wrap clut indexes at 1024 bytes.

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So that's 256 for 32-bit and 512 for 16-bit.
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Unknown W. Brackets 2015-04-26 00:42:58 -07:00
parent 6e50a0b274
commit 5822faabf9
1 changed files with 5 additions and 1 deletions
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6
GPU/GPUState.h
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@ -309,7 +309,11 @@ struct GPUgstate
int getClutIndexShift() const { return (clutformat >> 2) & 0x1F; }
int getClutIndexMask() const { return (clutformat >> 8) & 0xFF; }
int getClutIndexStartPos() const { return ((clutformat >> 16) & 0x1F) << 4; }
u32 transformClutIndex(u32 index) const { return ((index >> getClutIndexShift()) & getClutIndexMask()) | getClutIndexStartPos(); }
u32 transformClutIndex(u32 index) const {
// We need to wrap any entries beyond the first 1024 bytes.
u32 mask = getClutPaletteFormat() == GE_CMODE_32BIT_ABGR8888 ? 0xFF : 0x1FF;
return ((index >> getClutIndexShift()) & getClutIndexMask()) | (getClutIndexStartPos() & mask);
}
bool isClutIndexSimple() const { return (clutformat & ~3) == 0xC500FF00; } // Meaning, no special mask, shift, or start pos.
bool isTextureSwizzled() const { return texmode & 1; }
bool isClutSharedForMipmaps() const { return (texmode & 0x100) == 0; }