15 lines
580 B
GLSL
15 lines
580 B
GLSL
// This should act as a virtual NormalNx upscaler when using texture filtering
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void SetupMaterial( inout Material mat )
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{
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vec2 size = vec2(textureSize(tex,0));
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vec2 pxsize = vec2(1./size.x,1./size.y);
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vec2 pos = vTexCoord.st-vec2(.5)*pxsize;
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vec2 fcoord = fract(pos*size-vec2(.5));
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vec2 coeff = fcoord*6.; // virtual upscale factor I guess?
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float threshold = 0.; // this controls sharpness, kinda
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coeff = (coeff-threshold)*1./(1.-2.*threshold);
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coeff = clamp(coeff,0.,1.);
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mat.Base = texture(tex,pos+pxsize*(coeff-fcoord));
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mat.Normal = ApplyNormalMap(vTexCoord.st);
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}
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