# Code coverage report for src/shader/source/compositor/bright.glsl.js

# all files / src/shader/source/compositor/ bright.glsl.js

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     export default "@export clay.compositor.bright\nuniform sampler2D texture;\nuniform float threshold : 1;\nuniform float scale : 1.0;\nuniform vec2 textureSize: [512, 512];\nvarying vec2 v_Texcoord;\nconst vec3 lumWeight = vec3(0.2125, 0.7154, 0.0721);\n@import clay.util.rgbm\nvec4 median(vec4 a, vec4 b, vec4 c)\n{\n    return a + b + c - min(min(a, b), c) - max(max(a, b), c);\n}\nvoid main()\n{\n    vec4 texel = decodeHDR(texture2D(texture, v_Texcoord));\n#ifdef ANTI_FLICKER\n    vec3 d = 1.0 / textureSize.xyx * vec3(1.0, 1.0, 0.0);\n    vec4 s1 = decodeHDR(texture2D(texture, v_Texcoord - d.xz));\n    vec4 s2 = decodeHDR(texture2D(texture, v_Texcoord + d.xz));\n    vec4 s3 = decodeHDR(texture2D(texture, v_Texcoord - d.zy));\n    vec4 s4 = decodeHDR(texture2D(texture, v_Texcoord + d.zy));\n    texel = median(median(texel, s1, s2), s3, s4);\n#endif\n    float lum = dot(texel.rgb , lumWeight);\n    vec4 color;\n    if (lum > threshold && texel.a > 0.0)\n    {\n        color = vec4(texel.rgb * scale, texel.a * scale);\n    }\n    else\n    {\n        color = vec4(0.0);\n    }\n    gl_FragColor = encodeHDR(color);\n}\n@end\n";