20 lines
545 B
GLSL
20 lines
545 B
GLSL
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out vec4 sk_FragColor;
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uniform vec4 colorGreen;
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uniform vec4 colorRed;
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vec4 main() {
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vec4 value = colorGreen.yyyy * 6.0;
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ivec4 exp;
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vec4 result;
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bvec4 ok;
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result.x = frexp(value.x, exp.x);
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ok.x = result.x == 0.75 && exp.x == 3;
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result.xy = frexp(value.xy, exp.xy);
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ok.y = result.y == 0.75 && exp.y == 3;
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result.xyz = frexp(value.xyz, exp.xyz);
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ok.z = result.z == 0.75 && exp.z == 3;
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result = frexp(value, exp);
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ok.w = result.w == 0.75 && exp.w == 3;
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return all(ok) ? colorGreen : colorRed;
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}
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