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17 lines
358 B
GLSL
17 lines
358 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 float gamma;
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void main() {
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vec4 _col = texture2D( gm_BaseTexture, v_vTexcoord );
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vec3 c = _col.rgb;
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c = floor(pow(c, vec3(gamma)) * float(colors));
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c = pow(c / float(colors), vec3(1.0 / gamma));
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gl_FragColor = vec4(c, _col.a);
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}
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