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GSDX: put all paletted texture samples through the same transformation from the UNORM 0-1 256 step mapping to a 0.5/256-255.5/256 mapping after seeing potential bugs with FMT_4HL and changed FMT_4HH because it seemed to be completely wrong. Nothing but 8 bit textures tested because I can't find a single game which uses 4 bit textures. 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5281 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
sudonim1@gmail.com 2012-06-10 16:04:47 +00:00
parent 4f79c4d1cb
commit 1711a26bbb
1 changed files with 3 additions and 7 deletions
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10
plugins/GSdx/res/tfx.fx
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@ -109,7 +109,7 @@ float4 sample_c(float2 uv)
float4 sample_p(float u) float4 sample_p(float u)
{ {
return Palette.Sample(PaletteSampler, u * 255./256 + 0.5/256); return Palette.Sample(PaletteSampler, u);
} }
float4 sample_rt(float2 uv) float4 sample_rt(float2 uv)
@ -338,7 +338,7 @@ float4 sample_4a(float4 uv)
if(PS_RT) c *= 128.0f / 255; if(PS_RT) c *= 128.0f / 255;
#endif #endif
return c; return c * 255./256 + 0.5/256;
} }
float4x4 sample_4p(float4 u) float4x4 sample_4p(float4 u)
@ -394,14 +394,10 @@ float4 sample(float2 st, float q)
{ {
c = sample_4p(sample_4a(uv)); c = sample_4p(sample_4a(uv));
} }
else if(PS_FMT == FMT_4HL) else if(PS_FMT == FMT_4HL || PS_FMT == FMT_4HH)
{ {
c = sample_4p(fmod(sample_4a(uv), 1.0f / 16)); c = sample_4p(fmod(sample_4a(uv), 1.0f / 16));
} }
else if(PS_FMT == FMT_4HH)
{
c = sample_4p(fmod(sample_4a(uv) * 16, 1.0f / 16));
}
else if(PS_FMT == FMT_8) else if(PS_FMT == FMT_8)
{ {
c = sample_4p(sample_4a(uv)); c = sample_4p(sample_4a(uv));