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https://github.com/Doodle3D/Doodle3D-Core.git
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37 lines
792 B
GLSL
37 lines
792 B
GLSL
uniform sampler2D mapLeft;
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uniform sampler2D mapRight;
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varying vec2 vUv;
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uniform mat3 colorMatrixLeft;
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uniform mat3 colorMatrixRight;
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float lin( float c ) {
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return c <= 0.04045 ? c * 0.0773993808 :
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pow( c * 0.9478672986 + 0.0521327014, 2.4 );
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}
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vec4 lin( vec4 c ) {
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return vec4( lin( c.r ), lin( c.g ), lin( c.b ), c.a );
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}
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float dev( float c ) {
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return c <= 0.0031308 ? c * 12.92 : pow( c, 0.41666 ) * 1.055 - 0.055;
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}
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void main() {
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vec2 uv = vUv;
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vec4 colorL = lin( texture2D( mapLeft, uv ) );
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vec4 colorR = lin( texture2D( mapRight, uv ) );
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vec3 color = clamp(
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colorMatrixLeft * colorL.rgb +
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colorMatrixRight * colorR.rgb, 0., 1. );
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gl_FragColor = vec4(
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dev( color.r ), dev( color.g ), dev( color.b ),
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max( colorL.a, colorR.a ) );
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}
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