Merge pull request #3750 from TrevorDev/onlyEnablePPWhenTeleporting

set samples of last pp to 4 to enable aa for webgl2 devices

dist/preview release/what's new.md

@@ -78,7 +78,7 @@
 - Texture extension detection in `Engine.CreateTexture` ([sebavan](https://github.com/sebavan))
 - SPS internal temporary vector3 instead of Tmp.Vector3 to avoid possible concurrent uses ([jbousquie](https://github.com/jbousquie))
 - Fixed a bug when calling load on an empty assets manager - [#3739](https://github.com/BabylonJS/Babylon.js/issues/3739). ([RaananW](https://github.com/RaananW))
-- Enabling teleportation in vr helper class caused a redundant post process to be added ([trevordev](https://github.com/trevordev))
+- Enabling teleportation in the vr helper class caused a redundant post process to be added ([trevordev](https://github.com/trevordev))
 
 ## Breaking changes
 

src/Cameras/VR/babylon.vrExperienceHelper.ts

@@ -1291,7 +1291,7 @@ module BABYLON {
 
             this._postProcessMove.imageProcessingConfiguration.vignetteWeight = 0;
             this._postProcessMove.imageProcessingConfiguration.vignetteStretch = 0;
-
+            this._postProcessMove.samples = 4;
             this._webVRCamera.attachPostProcess(this._postProcessMove)
             this._scene.beginAnimation(this._postProcessMove, 0, 6, false, 1, () => {
                 this._webVRCamera.detachPostProcess(this._postProcessMove)