playcanvas/build/playcanvas.dbg/src/scene/shader-lib/programs/shader-generator.js

PlayCanvas WebGL game engine

import { hashCode } from '../../../core/hash.js';

class ShaderGenerator {
    /**
     * @param {Map<string, string>} defines - the set of defines to be used in the shader.
     * @returns {number} the hash code of the defines.
     */ static definesHash(defines) {
        const sortedArray = Array.from(defines).sort((a, b)=>a[0] > b[0] ? 1 : -1);
        return hashCode(JSON.stringify(sortedArray));
    }
}

export { ShaderGenerator };