@lightningtv/renderer/src/core/renderers/webgl/internal/WebGlUtils.ts

Lightning 3 Renderer

/*
 * If not stated otherwise in this file or this component's LICENSE file the
 * following copyright and licenses apply:
 *
 * Copyright 2023 Comcast Cable Communications Management, LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the License);
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * Generic WebGL Utility Functions
 *
 * @remarks
 * Nothing here should be coupled to Renderer logic / types.
 *
 * @param gl
 * @returns
 */
export function isWebGl2(
  gl: WebGLRenderingContext,
): gl is WebGL2RenderingContext {
  return (
    self.WebGL2RenderingContext && gl instanceof self.WebGL2RenderingContext
  );
}