@pixi/utils/lib/browser/isWebGLSupported.mjs

Collection of utilities used by PixiJS

import '../settings.mjs';
import { settings } from '@pixi/settings';

let supported;
function isWebGLSupported() {
  if (typeof supported === "undefined") {
    supported = function supported2() {
      const contextOptions = {
        stencil: true,
        failIfMajorPerformanceCaveat: settings.FAIL_IF_MAJOR_PERFORMANCE_CAVEAT
      };
      try {
        if (!settings.ADAPTER.getWebGLRenderingContext()) {
          return false;
        }
        const canvas = settings.ADAPTER.createCanvas();
        let gl = canvas.getContext("webgl", contextOptions) || canvas.getContext("experimental-webgl", contextOptions);
        const success = !!gl?.getContextAttributes()?.stencil;
        if (gl) {
          const loseContext = gl.getExtension("WEBGL_lose_context");
          if (loseContext) {
            loseContext.loseContext();
          }
        }
        gl = null;
        return success;
      } catch (e) {
        return false;
      }
    }();
  }
  return supported;
}

export { isWebGLSupported };
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