Glop Bitmap and RoundRect clipping support

Change-Id: I4577546a5d2e5f084cc03f39a89db9231b8111ee
diff --git a/libs/hwui/utils/PaintUtils.h b/libs/hwui/utils/PaintUtils.h
index 679e2bf..1a5cbf8 100644
--- a/libs/hwui/utils/PaintUtils.h
+++ b/libs/hwui/utils/PaintUtils.h
@@ -37,6 +37,13 @@
         return resultMode;
     }
 
+    static inline GLenum getFilter(const SkPaint* paint) {
+        if (!paint || paint->getFilterLevel() != SkPaint::kNone_FilterLevel) {
+            return GL_LINEAR;
+        }
+        return GL_NEAREST;
+    }
+
     // TODO: move to a method on android:Paint? replace with SkPaint::nothingToDraw()?
     static inline bool paintWillNotDraw(const SkPaint& paint) {
         return paint.getAlpha() == 0