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New compact texture type for OGL/D3D: IA4. Thanks for the IA4->IA8 unpacker hyperiris! Too bad that D3D supports IA4 natively while OGL is a bit buggy (treats LUM4_ALPHA4 as LUM8_ALPHA8).

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2238 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
XTra.KrazzY
2009-02-14 09:04:40 +00:00
parent 79947e5d29
commit efa5fe5eb7
4 changed files with 15 additions and 9 deletions
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19
Source/Core/VideoCommon/Src/TextureDecoder.cpp
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@ -262,15 +262,15 @@ inline void decodebytesC14X2(u32 *dst, const u16 *src, int tlutaddr, int tlutfmt
}
}
//inline void decodebytesIA4(u32 *dst, const u8 *src, int numbytes)
inline void decodebytesIA4(u32 *dst, const u8 *src)
//inline void decodebytesIA4(u16 *dst, const u8 *src, int numbytes)
inline void decodebytesIA4(u16 *dst, const u8 *src)
{
for (int x = 0; x < 8; x++)
{
int val = src[x];
int a = lut4to8[val>>4];
int r = lut4to8[val&15];
dst[x] = (a<<24) | (r<<16) | (r<<8) | r;
const u8 val = src[x];
const u8 a = lut4to8[val>>4];
const u8 l = lut4to8[val&0xF];
dst[x] = (a<<8) | l;
}
}
@ -398,11 +398,12 @@ PC_TexFormat TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, in
{
for (int y = 0; y < height; y += 4)
for (int x = 0; x < width; x += 8)
for (int iy = 0; iy < 4; iy++, src += 8)
for (int iy = 0; iy < 4; iy++, src += 8) {
//decodebytesIA4((u32*)dst+(y+iy)*width+x, src, 8);
decodebytesIA4((u32*)dst+(y+iy)*width+x, src);
decodebytesIA4((u16*)dst+(y+iy)*width+x, src);
}
}
return PC_TEX_FMT_BGRA32;
return PC_TEX_FMT_IA8;
case GX_TF_IA8:
{
for (int y = 0; y < height; y += 4)