mirror of https://github.com/mgba-emu/mgba.git
22 lines
735 B
Forth
22 lines
735 B
Forth
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varying vec2 texCoord;
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uniform sampler2D tex;
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uniform vec2 texSize;
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const float scale[32] = float[](
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0.0/255.0, 6.0/255.0, 12.0/255.0, 18.0/255.0, 24.0/255.0, 31.0/255.0, 37.0/255.0, 43.0/255.0,
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49.0/255.0, 55.0/255.0, 61.0/255.0, 67.0/255.0, 73.0/255.0, 79.0/255.0, 86.0/255.0, 92.0/255.0,
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98.0/255.0, 104.0/255.0, 111.0/255.0, 117.0/255.0, 123.0/255.0, 129.0/255.0, 135.0/255.0, 141.0/255.0,
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148.0/255.0, 154.0/255.0, 159.0/255.0, 166.0/255.0, 172.0/255.0, 178.0/255.0, 184.0/255.0, 191.0/255.0
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);
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void main() {
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vec4 color = texture2D(tex, texCoord);
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color.rgb = round(color.rgb * 31.0);
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color = vec4(
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scale[int(color.r)],
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scale[int(color.g)],
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scale[int(color.b)],
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1.0
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);
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gl_FragColor = color;
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}
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