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12 lines
367 B
GLSL
12 lines
367 B
GLSL
precision mediump float;
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varying vec2 vUV;
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uniform sampler2D tex;
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uniform float highPassThreshold;
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void main() {
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vec3 lumaColor = texture2D(tex, vUV).rgb;
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if (lumaColor.r < highPassThreshold) lumaColor.r = 0.0;
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if (lumaColor.g < highPassThreshold) lumaColor.g = 0.0;
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if (lumaColor.b < highPassThreshold) lumaColor.b = 0.0;
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gl_FragColor = vec4(lumaColor, 1.0);
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}
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