sdfsdfs

node_modules/pixi.js/lib/utils/browser/isWebGLSupported.js

@@ -0,0 +1,39 @@
+'use strict';
+
+var adapter = require('../../environment/adapter.js');
+var AbstractRenderer = require('../../rendering/renderers/shared/system/AbstractRenderer.js');
+
+"use strict";
+let _isWebGLSupported;
+function isWebGLSupported(failIfMajorPerformanceCaveat) {
+  if (_isWebGLSupported !== void 0)
+    return _isWebGLSupported;
+  _isWebGLSupported = (() => {
+    const contextOptions = {
+      stencil: true,
+      failIfMajorPerformanceCaveat: failIfMajorPerformanceCaveat ?? AbstractRenderer.AbstractRenderer.defaultOptions.failIfMajorPerformanceCaveat
+    };
+    try {
+      if (!adapter.DOMAdapter.get().getWebGLRenderingContext()) {
+        return false;
+      }
+      const canvas = adapter.DOMAdapter.get().createCanvas();
+      let gl = canvas.getContext("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 _isWebGLSupported;
+}
+
+exports.isWebGLSupported = isWebGLSupported;
+//# sourceMappingURL=isWebGLSupported.js.map