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https://github.com/Ttanasart-pt/Pixel-Composer.git
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20 lines
420 B
GLSL
20 lines
420 B
GLSL
//
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// Simple passthrough fragment shader
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//
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varying vec2 v_vTexcoord;
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varying vec4 v_vColour;
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uniform int colors;
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uniform int alpha;
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uniform float gamma;
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void main() {
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vec4 _col = texture2D( gm_BaseTexture, v_vTexcoord );
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vec4 c = _col;
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c = floor(pow(c, vec4(gamma)) * float(colors));
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c = pow(c / float(colors), vec4(1.0 / gamma));
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if(alpha == 1) gl_FragColor = c;
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else gl_FragColor = vec4(c.rgb, _col.a);
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}
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