playcanvas/build/playcanvas/src/platform/graphics/built-in-textures.js

Open-source WebGL/WebGPU 3D engine for the web

import { PIXELFORMAT_RGBA8 } from "./constants.js";
import { DeviceCache } from "./device-cache.js";
import { Texture } from "./texture.js";
const textureData = {
	white: [255, 255, 255, 255],
	gray: [128, 128, 128, 255],
	black: [0, 0, 0, 255],
	normal: [128, 128, 255, 255],
	pink: [255, 128, 255, 255]
};
class BuiltInTextures {
	map = /* @__PURE__ */ new Map();
	destroy() {
		this.map.forEach((texture) => {
			texture.destroy();
		});
	}
}
const deviceCache = new DeviceCache();
const getBuiltInTexture = (device, name) => {
	const cache = deviceCache.get(device, () => {
		return new BuiltInTextures();
	});
	if (!cache.map.has(name)) {
		const texture = new Texture(device, {
			name: `built-in-texture-${name}`,
			width: 1,
			height: 1,
			format: PIXELFORMAT_RGBA8
		});
		const pixels = texture.lock();
		const data = textureData[name];
		pixels.set(data);
		texture.unlock();
		cache.map.set(name, texture);
	}
	return cache.map.get(name);
};
export {
	getBuiltInTexture
};