16 lines
440 B
GLSL
16 lines
440 B
GLSL
ivec2 Helper_TexelFetchScale(ivec2 inputVec, int samplerIndex)
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{
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float scale = fp_renderScale[1 + samplerIndex];
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if (scale == 1.0)
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{
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return inputVec;
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}
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if (scale < 0.0) // If less than 0, try interpolate between texels by using the screen position.
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{
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return ivec2(vec2(inputVec) * (-scale) + mod(gl_FragCoord.xy, -scale));
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}
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else
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{
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return ivec2(vec2(inputVec) * scale);
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}
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} |