playcanvas/build/playcanvas.dbg/src/scene/shader-lib/chunks/lit/frag/blurVSM.js

PlayCanvas WebGL game engine

var blurVSMPS = "\nvarying vec2 vUv0;\n\nuniform sampler2D source;\nuniform vec2 pixelOffset;\n\n#ifdef GAUSS\nuniform float weight[SAMPLES];\n#endif\n\nvoid main(void) {\n    vec3 moments = vec3(0.0);\n    vec2 uv = vUv0 - pixelOffset * (float(SAMPLES) * 0.5);\n    for (int i=0; i<SAMPLES; i++) {\n        vec4 c = texture2D(source, uv + pixelOffset * float(i));\n\n        #ifdef GAUSS\n        moments += c.xyz * weight[i];\n        #else\n        moments += c.xyz;\n        #endif\n    }\n\n    #ifndef GAUSS\n    moments /= float(SAMPLES);\n    #endif\n\n    gl_FragColor = vec4(moments.x, moments.y, moments.z, 1.0);\n}\n";

export { blurVSMPS as default };