Merge "Do not blur if all apps is fully visible" into ub-launcher3-rvc-dev

quickstep/src/com/android/launcher3/statehandlers/DepthController.java

@@ -193,8 +193,17 @@ public class DepthController implements LauncherStateManager.StateHandler {
         if (windowToken != null) {
             mWallpaperManager.setWallpaperZoomOut(windowToken, mDepth);
         }
+        final int blur;
+        if (mLauncher.isInState(LauncherState.ALL_APPS) && mDepth == 1) {
+            // All apps has a solid background. We don't need to draw blurs after it's fully
+            // visible. This will take us out of GPU composition, saving battery and increasing
+            // performance.
+            blur = 0;
+        } else {
+            blur = (int) (mDepth * mMaxBlurRadius);
+        }
         new TransactionCompat()
-                .setBackgroundBlurRadius(mSurface, (int) (mDepth * mMaxBlurRadius))
+                .setBackgroundBlurRadius(mSurface, blur)
                 .apply();
     }
 }