9 lines
211 B
Forth
9 lines
211 B
Forth
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uniform float gamma = 2.2;
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out vec4 color;
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void main(void) {
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vec2 uv = TEXCOORD.st;
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vec4 src = texture2D(iChannel0, uv);
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color = vec4( pow(src.xyz, vec3(1.0 / gamma)), src.a); // gamma correction
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}
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