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Fix color precision problems when decoding CMPR and RGB5A3 textures with OpenCL 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5763 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Orphis 2010-06-21 22:21:06 +00:00
parent 1b5b57bff3
commit 1198ae1c97
1 changed files with 4 additions and 3 deletions
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7
Data/User/OpenCL/TextureDecoder.cl
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@ -123,6 +123,7 @@ kernel void DecodeRGB5A3(global uchar *dst,
resNoAlpha.s26AE = val.even << (uchar4)1; \
resNoAlpha.s159D = val.even << (uchar4)6 | val.odd >> (uchar4)2; \
resNoAlpha.s048C = val.odd << (uchar4)3; \
resNoAlpha = bitselect(resNoAlpha, resNoAlpha >> (uchar16)5, (uchar16)0x3); \
resNoAlpha.s37BF = (uchar4)(0xFF); \
resAlpha.s26AE = bitselect(val.even << (uchar4)4, val.even, (uchar4)0xF); \
resAlpha.s159D = bitselect(val.odd, val.odd >> (uchar4)4, (uchar4)0xF); \
@ -156,9 +157,9 @@ kernel void decodeCMPRBlock(global uchar *dst,
uchar2 colora565 = (uchar2)(val.s1, val.s3);
uchar2 colorb565 = (uchar2)(val.s0, val.s2);
uchar8 color32 = (uchar8)(colora565 << (uchar2)3,
colora565 >> (uchar2)3 | colorb565 << (uchar2)5,
colorb565,
uchar8 color32 = (uchar8)(bitselect(colora565 << (uchar2)3, colora565 >> (uchar2)2, (uchar2)7),
bitselect((colora565 >> (uchar2)3) | (colorb565 << (uchar2)5), colorb565 >> (uchar2)1, (uchar2)3),
bitselect(colorb565, colorb565 >> (uchar2)5, (uchar2)7),
(uchar2)0xFF);
ushort4 frac2 = convert_ushort4(color32.even & (uchar4)0xFF) - convert_ushort4(color32.odd & (uchar4)0xFF);