// luma.gl
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors
import { lights } from "../lights/lights.js";
import { lightingShader } from "./phong-lighting-glsl.js";
const INITIAL_MODULE_OPTIONS = {};
function getMaterialUniforms(material) {
    const { ambient = 0.35, diffuse = 0.6, shininess = 32, specularColor = [30, 30, 30] } = material;
    return {
        lighting_uAmbient: ambient,
        lighting_uDiffuse: diffuse,
        lighting_uShininess: shininess,
        lighting_uSpecularColor: specularColor.map(x => x / 255)
    };
}
function getUniforms(opts = INITIAL_MODULE_OPTIONS) {
    if (!('material' in opts)) {
        return {};
    }
    const { material } = opts;
    if (!material) {
        return { lighting_uEnabled: false };
    }
    return getMaterialUniforms(material);
}
export const gouraudLighting = {
    name: 'gouraud-lighting',
    dependencies: [lights],
    vs: lightingShader,
    defines: {
        LIGHTING_VERTEX: 1
    },
    getUniforms
};
export const phongLighting = {
    name: 'phong-lighting',
    dependencies: [lights],
    fs: lightingShader,
    defines: {
        LIGHTING_FRAGMENT: 1
    },
    getUniforms
};