Set shader precission to mediump in Mobile. Fix problems with Adreno …

…300 series GPUs and improves perf. (fix aframevr#3971, aframevr#3523)
dmarcos · Jan 30, 2019 · eba8f4c · eba8f4c
1 parent cc4e5fe
commit eba8f4c
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/src/core/scene/a-scene.js b/src/core/scene/a-scene.js
@@ -548,7 +548,13 @@ module.exports.AScene = registerElement('a-scene', {
         var rendererAttrString;
         var rendererConfig;
 
-        rendererConfig = {alpha: true, antialias: !isMobile, canvas: this.canvas, logarithmicDepthBuffer: false};
+        rendererConfig = {
+          alpha: true,
+          antialias: !isMobile,
+          canvas: this.canvas,
+          logarithmicDepthBuffer: false,
+          precision: isMobile && !window.hasNativeVR ? 'mediump' : 'highp'
+        };
 
         this.maxCanvasSize = {height: 1920, width: 1920};
 

diff --git a/src/index.js b/src/index.js
@@ -6,6 +6,7 @@ window.Promise = window.Promise || require('promise-polyfill');
 window.hasNativeWebVRImplementation = !!window.navigator.getVRDisplays ||
                                       !!window.navigator.getVRDevices;
 window.hasNativeWebXRImplementation = navigator.xr !== undefined;
+window.hasNativeVR = window.hasNativeWebVRImplementation || window.hasNativeWebXRImplementation;
 
 // If native WebXR or WebVR are defined WebVRPolyfill does not initialize.
 if (!window.hasNativeWebXRImplementation && !window.hasNativeWebVRImplementation) {