@lightningjs/renderer/dist/src/core/renderers/webgl/WebGlCoreShaderProgram.js

Lightning 3 Renderer

import { createProgram, createShader, DEFAULT_FRAGMENT, DEFAULT_VERTEX } from "./internal/ShaderUtils.js";
export default class WebGlCoreShaderProgram {
    program;
    vao;
    uniformLocations;
    attributeLocations;
    constructor(glw, shader, options) {
        const webGl2 = glw.isWebGl2();
        const requiredExtensions = (webGl2 && options.webgl2Extensions) ||
            (!webGl2 && options.webgl1Extensions) ||
            [];
        const glVersion = webGl2 ? '2.0' : '1.0';
        requiredExtensions.forEach((extensionName) => {
            if (!glw.getExtension(extensionName)) {
                throw new Error(`Shader "${this.constructor.name}" requires extension "${extensionName}" for WebGL ${glVersion} but wasn't found`);
            }
        });
        const vertex = createShader(glw, glw.VERTEX_SHADER, DEFAULT_VERTEX);
        const fragment = createShader(glw, glw.FRAGMENT_SHADER, DEFAULT_FRAGMENT);
        if (!vertex || !fragment) {
            throw new Error();
        }
        const program = createProgram(glw, vertex, fragment);
        if (!program) {
            throw new Error();
        }
        this.program = program;
        this.uniformLocations = glw.getUniformLocations(program);
        this.attributeLocations = glw.getAttributeLocations(program);
    }
    bindRenderOp(renderOp) {
    }
}
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