playcanvas
Version:
PlayCanvas WebGL game engine
4 lines (2 loc) • 770 B
JavaScript
var opacityDitherPS = "\nuniform vec4 blueNoiseJitter;\n#ifdef DITHER_BLUENOISE\n uniform sampler2D blueNoiseTex32;\n#endif\nvoid opacityDither(float alpha, float id) {\n #ifdef DITHER_BAYER8\n float noise = bayer8(floor(mod(gl_FragCoord.xy + blueNoiseJitter.xy + id, 8.0))) / 64.0;\n #else\n #ifdef DITHER_BLUENOISE\n vec2 uv = fract(gl_FragCoord.xy / 32.0 + blueNoiseJitter.xy + id);\n float noise = texture2DLod(blueNoiseTex32, uv, 0.0).y;\n #endif\n #ifdef DITHER_IGNNOISE\n vec3 magic = vec3(0.06711056, 0.00583715, 52.9829189);\n float noise = fract(magic.z * fract(dot(gl_FragCoord.xy + blueNoiseJitter.xy + id, magic.xy)));\n #endif\n #endif\n noise = pow(noise, 2.2);\n if (alpha < noise)\n discard;\n}\n";
export { opacityDitherPS as default };