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Improve safe texture cache - now using sparse CRC to identify textures. Far less video glitches - metroid intro looks good.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1298 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2008-11-25 23:56:57 +00:00
parent a95e804681
commit d0a48f654a
3 changed files with 33 additions and 5 deletions
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12
Source/Plugins/Plugin_VideoOGL/Src/TextureMngr.cpp
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@ -217,10 +217,15 @@ TextureMngr::TCacheEntry* TextureMngr::Load(int texstage, u32 address, int width
}
}
int bs = TexDecoder_GetBlockWidthInTexels(format) - 1;
int expandedWidth = (width + bs) & (~bs);
if (iter != textures.end()) {
TCacheEntry &entry = iter->second;
if (entry.isRenderTarget || (((u32 *)ptr)[entry.hashoffset] == entry.hash && palhash == entry.paletteHash)) { //stupid, improve
if (entry.isRenderTarget ||
(TexDecoder_GetSafeTextureHash(ptr, expandedWidth, height, format) == entry.hash &&
palhash == entry.paletteHash)) {
entry.frameCount = frameCount;
//glEnable(entry.isNonPow2?GL_TEXTURE_RECTANGLE_ARB:GL_TEXTURE_2D);
glBindTexture(entry.isNonPow2 ? GL_TEXTURE_RECTANGLE_ARB:GL_TEXTURE_2D, entry.texture);
@ -251,18 +256,15 @@ TextureMngr::TCacheEntry* TextureMngr::Load(int texstage, u32 address, int width
}
}
int bs = TexDecoder_GetBlockWidthInTexels(format) - 1;
int expandedWidth = (width + bs) & (~bs);
PC_TexFormat dfmt = TexDecoder_Decode(temp, ptr, expandedWidth, height, format, tlutaddr, tlutfmt);
//Make an entry in the table
TCacheEntry& entry = textures[address];
entry.hashoffset = 0;
entry.paletteHash = palhash;
entry.oldpixel = ((u32 *)ptr)[entry.hashoffset];
if (g_Config.bSafeTextureCache) {
entry.hash = entry.oldpixel;
entry.hash = TexDecoder_GetSafeTextureHash(ptr, expandedWidth, height, format);
} else {
entry.hash = (u32)(((double)rand() / RAND_MAX) * 0xFFFFFFFF);
((u32 *)ptr)[entry.hashoffset] = entry.hash;