playcanvas/build/playcanvas.dbg/src/scene/shader-lib/glsl/chunks/common/frag/pick.js

PlayCanvas WebGL game engine

var pickPS = /* glsl */ `
uniform uint meshInstanceId;

vec4 getPickOutput() {
    const vec4 inv = vec4(1.0 / 255.0);
    const uvec4 shifts = uvec4(16, 8, 0, 24);
    uvec4 col = (uvec4(meshInstanceId) >> shifts) & uvec4(0xff);
    return vec4(col) * inv;
}

#ifdef DEPTH_PICK_PASS
    #include "floatAsUintPS"

    vec4 getPickDepth() {
        return float2uint(gl_FragCoord.z);
    }
#endif
`;

export { pickPS as default };