mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-10-11 14:03:23 -05:00
Abdessamad Derraz
9af958e9f8
Bytes taken from the shipped applications rather than a normalised copy.
19 lines
543 B
GLSL
19 lines
543 B
GLSL
precision mediump float;
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uniform vec2 uTexSize;
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uniform sampler2D uTexUnit;
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uniform vec3 uColorKey;
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uniform bool uIsTransparency;
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varying vec2 vTexture;
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const vec3 COLORKEY_ERROR = vec3(0.5 / 255.0);
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void main() {
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#ifdef FILTER
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vec4 color = texture2D(uTexUnit, vTexture / uTexSize);
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#else
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vec4 color = texture2D(uTexUnit, (floor(vTexture) + 0.5) / uTexSize);
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#endif
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if (uIsTransparency && all(lessThan(abs(color.rgb - uColorKey), COLORKEY_ERROR)))
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discard;
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gl_FragColor = vec4(color.rgb, 1.0);
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} |