diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index 08e7240..6ca67bc 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -1407,7 +1407,13 @@
         t = SkScalarMul(SkScalarDiv(t, gAnimPeriod), gAnimMag);
         SkMatrix m;
         m.reset();
+#if 1
         m.setPerspY(t);
+#else
+        m.setPerspY(SK_Scalar1 / 1000);
+        m.setSkewX(SkScalarDiv(8, 25));
+        m.dump();
+#endif
         canvas->concat(m);
     }
 
diff --git a/src/gpu/SkGpuDevice.h b/src/gpu/SkGpuDevice.h
index 419013f..dc59009 100644
--- a/src/gpu/SkGpuDevice.h
+++ b/src/gpu/SkGpuDevice.h
@@ -154,7 +154,7 @@
     virtual SkImageFilter::Cache* getImageFilterCache() SK_OVERRIDE;
 
     // temporarily change the return to false, until we understand the issues with filters and persp
-    virtual bool forceConservativeRasterClip() const SK_OVERRIDE { return false; }
+    virtual bool forceConservativeRasterClip() const SK_OVERRIDE { return true; }
 
     // sets the render target, clip, and matrix on GrContext. Use forceIdenity to override
     // SkDraw's matrix and draw in device coords.