Further improvements to WebXR layers feature testing

mrdoob · Jan 7, 2025 · 9dd259f · 9dd259f
1 parent be84ecf
commit 9dd259f
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Showing 2 changed files with 10 additions and 3 deletions.
diff --git a/examples/webxr_vr_layers.html b/examples/webxr_vr_layers.html
@@ -305,9 +305,12 @@
 				const gl = renderer.getContext();
 
 				// Init layers once in immersive mode and video is ready.
-				const useLayers = session.enabledFeatures !== undefined && session.enabledFeatures.includes('layers');
+				const useLayers = session &&
+													session.enabledFeatures !== undefined &&
+													session.enabledFeatures.includes('layers') &&
+													XRMediaBinding !== undefined;
 
-				if ( session && ! useLayers ) {
+				if ( ! useLayers ) {
 
 					errorMesh.visible = true;
 

diff --git a/src/renderers/webxr/WebXRManager.js b/src/renderers/webxr/WebXRManager.js
@@ -275,7 +275,11 @@ class WebXRManager extends EventDispatcher {
 				currentPixelRatio = renderer.getPixelRatio();
 				renderer.getSize( currentSize );
 
-				const useLayers = session.enabledFeatures !== undefined && session.enabledFeatures.includes( 'layers' );
+				// Check that the browser implements all the necessary APIs to use an
+				// XRProjectionLayer rather than an XRWebGLLayer
+				const useLayers = XRWebGLBinding !== undefined &&
+													'createProjectionLayer' in XRWebGLBinding.prototype &&
+													session.renderState.layers !== undefined;
 
 				if ( ! useLayers ) {