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Merge pull request #713 from xzn/jinc2_nan

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Update JINC2 to prevent NaN, which result in black texture in some cases
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Autechre 2020-09-02 17:47:17 +02:00 committed by GitHub
commit 2bc4d0161e
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5 changed files with 6007 additions and 6026 deletions
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4011
parallel-psx/glsl/prebuilt/opaque.textured.jinc2.frag.inc
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4004
parallel-psx/glsl/prebuilt/semitrans.opaque.textured.jinc2.frag.inc
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4011
parallel-psx/glsl/prebuilt/semitrans.trans.textured.jinc2.frag.inc
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3
parallel-psx/glsl/vram.h
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@ -557,7 +557,8 @@ vec4 resampler(vec4 x)
{
vec4 res;
res = (x==vec4(0.0, 0.0, 0.0, 0.0)) ? vec4(wa*wb) : sin(x*wa)*sin(x*wb)/(x*x);
// Need to use mix(.., equal(..)) since we want zero check to be component wise
res = mix(sin(x*wa)*sin(x*wb)/(x*x), vec4(wa*wb), equal(x,vec4(0.0, 0.0, 0.0, 0.0)));
return res;
}

4
rsx/shaders_gl/command_fragment.glsl.h
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@ -699,7 +699,9 @@ vec4 resampler(vec4 x)
{
vec4 res;
res = (x==vec4(0.0, 0.0, 0.0, 0.0)) ? vec4(wa*wb) : sin(x*wa)*sin(x*wb)/(x*x);
// res = (x==vec4(0.0, 0.0, 0.0, 0.0)) ? vec4(wa*wb) : sin(x*wa)*sin(x*wb)/(x*x);
// Need to use mix(.., equal(..)) since we want zero check to be component wise
res = mix(sin(x*wa)*sin(x*wb)/(x*x), vec4(wa*wb), equal(x,vec4(0.0, 0.0, 0.0, 0.0)));
return res;
}