playcanvas/build/playcanvas.dbg/src/scene/shader-lib/get-program-library.js

PlayCanvas WebGL game engine

import { Debug } from '../../core/debug.js';
import { DeviceCache } from '../../platform/graphics/device-cache.js';

/**
 * @import { GraphicsDevice } from '../../platform/graphics/graphics-device.js'
 * @import { ProgramLibrary } from './program-library.js'
 */ // Device cache storing a program library
const programLibraryDeviceCache = new DeviceCache();
/**
 * Returns program library for a specified instance of a device.
 *
 * @param {GraphicsDevice} device - The graphics device used to own the program library.
 * @returns {ProgramLibrary} The instance of {@link ProgramLibrary}
 * @ignore
 */ function getProgramLibrary(device) {
    const library = programLibraryDeviceCache.get(device);
    Debug.assert(library);
    return library;
}
/**
 * Assigns the program library to device cache.
 *
 * @param {GraphicsDevice} device - The graphics device used to own the program library.
 * @param {ProgramLibrary} library - The instance of {@link ProgramLibrary}.
 * @ignore
 */ function setProgramLibrary(device, library) {
    Debug.assert(library);
    programLibraryDeviceCache.get(device, ()=>{
        return library;
    });
}

export { getProgramLibrary, setProgramLibrary };