Prefer webgl2

Closes #10
TurboWarp · Jul 20, 2024 · a4c2e18 · a4c2e18
1 parent 208e27a
commit a4c2e18
Showing 1 changed file with 5 additions and 7 deletions.
diff --git a/src/RenderWebGL.js b/src/RenderWebGL.js
@@ -122,10 +122,12 @@ class RenderWebGL extends EventEmitter {
         try {
             optCanvas = optCanvas || document.createElement('canvas');
             const options = {alpha: false, stencil: true, antialias: false};
+            // Don't use twgl's getContext here because it will spend a few milliseconds enabling extensions
+            // on a context that won't get used.
             return !!(
+                optCanvas.getContext('webgl2', options) ||
                 optCanvas.getContext('webgl', options) ||
-                optCanvas.getContext('experimental-webgl', options) ||
-                optCanvas.getContext('webgl2', options)
+                optCanvas.getContext('experimental-webgl', options)
             );
         } catch (e) {
             return false;
@@ -145,11 +147,7 @@ class RenderWebGL extends EventEmitter {
             antialias: false,
             powerPreference: RenderWebGL.powerPreference
         };
-        // getWebGLContext = try WebGL 1.0 only
-        // getContext = try WebGL 2.0 and if that doesn't work, try WebGL 1.0
-        // getWebGLContext || getContext = try WebGL 1.0 and if that doesn't work, try WebGL 2.0
-        return twgl.getWebGLContext(canvas, contextAttribs) ||
-            twgl.getContext(canvas, contextAttribs);
+        return twgl.getContext(canvas, contextAttribs);
     }
 
     /**