Remove many unnecessary save/restore calls.

This should help complex applications by reducing the amount of
unnecessary work performed by the renderer.

Change-Id: I9bdebb1a35cdbcc3d926b7485f19d9e88a019040

3 files changed, 1 insertions, 14 deletions

diff --git a/core/java/android/view/GLES20DisplayList.java b/core/java/android/view/GLES20DisplayList.java
index 262eb813bf41..aeff31f8a193 100644
--- a/core/java/android/view/GLES20DisplayList.java
+++ b/core/java/android/view/GLES20DisplayList.java
@@ -40,13 +40,6 @@ class GLES20DisplayList extends DisplayList {
         hostView = new WeakReference<View>(view);
     }
 
-    public void invalidateView() {
-        View v = hostView.get();
-        if (v != null) {
-            v.invalidate();
-        }
-    }
-
     @Override
     HardwareCanvas start() {
         if (mStarted) {
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 32c9e27048d5..fa24d307a866 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -8563,8 +8563,6 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
                 canvas.onPreDraw(mLocalDirtyRect);
                 mLocalDirtyRect.setEmpty();
 
-                final int restoreCount = canvas.save();
-
                 computeScroll();
                 canvas.translate(-mScrollX, -mScrollY);
 
@@ -8578,7 +8576,6 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
                     draw(canvas);
                 }
 
-                canvas.restoreToCount(restoreCount);
             } finally {
                 canvas.onPostDraw();
                 mHardwareLayer.end(currentCanvas);
@@ -8728,8 +8725,6 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
                 // The dirty rect should always be null for a display list
                 canvas.onPreDraw(null);
 
-                final int restoreCount = canvas.save();
-
                 computeScroll();
                 canvas.translate(-mScrollX, -mScrollY);
                 mPrivateFlags |= DRAWN | DRAWING_CACHE_VALID;
@@ -8742,7 +8737,6 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
                     draw(canvas);
                 }
 
-                canvas.restoreToCount(restoreCount);
             } finally {
                 canvas.onPostDraw();
 
diff --git a/core/java/android/webkit/WebView.java b/core/java/android/webkit/WebView.java
index 975f81570964..2588e9b41c10 100644
--- a/core/java/android/webkit/WebView.java
+++ b/core/java/android/webkit/WebView.java
@@ -4098,7 +4098,7 @@ public class WebView extends AbsoluteLayout
         }
         if (animateZoom) {
             mZoomManager.animateZoom(canvas);
-        } else {
+        } else if (!canvas.isHardwareAccelerated()) {
             canvas.scale(mZoomManager.getScale(), mZoomManager.getScale());
         }