1 files changed, 27 insertions, 0 deletions
diff --git a/include/gpu/SkGrTexturePixelRef.h b/include/gpu/SkGrTexturePixelRef.h
index 1f5133f..5bc64f5 100644
--- a/include/gpu/SkGrTexturePixelRef.h
+++ b/include/gpu/SkGrTexturePixelRef.h
@@ -40,11 +40,38 @@ protected:
 
     // override from SkPixelRef
     virtual void onUnlockPixels() {}
+    virtual bool onReadPixels(SkBitmap* dst, const SkIRect* subset);
 
 private:
     GrTexture*  fTexture;
     typedef SkPixelRef INHERITED;
 };
 
+class SkGrRenderTargetPixelRef : public SkPixelRef {
+public:
+            SkGrRenderTargetPixelRef(GrRenderTarget* rt);
+    virtual ~SkGrRenderTargetPixelRef();
+
+    // override from SkPixelRef
+    virtual SkGpuTexture* getTexture();
+
+protected:
+    // override from SkPixelRef
+    virtual void* onLockPixels(SkColorTable** ptr) {
+        if (ptr) {
+            *ptr = NULL;
+        }
+        return NULL;
+    }
+
+    // override from SkPixelRef
+    virtual void onUnlockPixels() {}
+    virtual bool onReadPixels(SkBitmap* dst, const SkIRect* subset);
+
+private:
+    GrRenderTarget*  fRenderTarget;
+    typedef SkPixelRef INHERITED;
+};
+
 #endif