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Swap buffers after unswizzling, it's faster.

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Unknown W. Brackets committed 2013-04-17 01:07:00 -07:00
1 parent 4e4861a104
commit 7b6f7abf42
1 file changed
+10 -32
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GPU/GLES/TextureCache.cpp
+10 -32
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@@ -324,53 +324,31 @@ void *TextureCache::readIndexedTex(int level, u32 texaddr, int bytesPerIndex) {
DeIndexTextureNoSwizzle<u32>(tmpTexBuf32.data(), texaddr, length, clutBuf32);
break;
}
buf = tmpTexBuf32.data();
} else {
const u32 *clut = clutBuf32;
UnswizzleFromMem(texaddr, bytesPerIndex, level);
// Since we had to unswizzle to tmpTexBuf32, let's output to tmpTexBuf16.
tmpTexBuf16.resize(length * 2);
u32 *dest32 = (u32 *) tmpTexBuf16.data();
switch (bytesPerIndex) {
case 1:
// If possible, let's do this in 1024 byte blocks.
if ((length & 0x3ff) == 0) {
u8 block[1024];
for (int i = length - 1024, j = (length / 4) - 256; i >= 0; i -= 1024, j -= 256) {
memcpy(block, &tmpTexBuf32[j], 1024 * sizeof(u8));
DeIndexTexture(&tmpTexBuf32[i], block, 1024, clut);
}
} else {
for (int i = length - 4, j = (length / 4) - 1; i >= 0; i -= 4, j--) {
u32 n = tmpTexBuf32[j];
u32 k;
for (k = 0; k < 4; k++) {
u32 index = (n >> (k * 8)) & 0xff;
tmpTexBuf32[i + k] = clut[GetClutIndex(index)];
}
}
}
DeIndexTexture(dest32, (u8 *) tmpTexBuf32.data(), length, clut);
buf = dest32;
break;
case 2:
// If possible, let's do this in 1024 byte blocks.
if ((length & 0x3ff) == 0) {
u16 block[512];
for (int i = length - 1024, j = (length / 4) - 256; i >= 0; i -= 1024, j -= 256) {
memcpy(block, &tmpTexBuf32[j], 512 * sizeof(u16));
DeIndexTexture(&tmpTexBuf32[i], block, 512, clut);
}
} else {
for (int i = length - 2, j = (length / 2) - 1; i >= 0; i -= 2, j--) {
u32 n = tmpTexBuf32[j];
tmpTexBuf32[i + 0] = clut[GetClutIndex(n & 0xffff)];
tmpTexBuf32[i + 1] = clut[GetClutIndex(n >> 16)];
}
}
DeIndexTexture(dest32, (u16 *) tmpTexBuf32.data(), length, clut);
buf = dest32;
break;
case 4:
// TODO: If a game actually uses this crazy mode, check if using dest32 or tmpTexBuf32 is faster.
DeIndexTexture(tmpTexBuf32.data(), tmpTexBuf32.data(), length, clut);
buf = tmpTexBuf32.data();
break;
}
}
buf = tmpTexBuf32.data();
}
break;