1 files changed, 19 insertions, 0 deletions
diff --git a/include/gpu/GrContext.h b/include/gpu/GrContext.h
index 9e9773c73a..9ccda23727 100644
--- a/include/gpu/GrContext.h
+++ b/include/gpu/GrContext.h
@@ -302,6 +302,25 @@ public:
                             uint32_t pixelOpsFlags = 0);
 
     /**
+     * Copies a rectangle of texels from src to dst.
+     * @param dst           the surface to copy to.
+     * @param src           the surface to copy from.
+     * @param srcRect       the rectangle of the src that should be copied.
+     * @param dstPoint      the translation applied when writing the srcRect's pixels to the dst.
+     */
+    bool copySurface(GrSurface* dst,
+                     GrSurface* src,
+                     const SkIRect& srcRect,
+                     const SkIPoint& dstPoint);
+
+    /** Helper that copies the whole surface but fails when the two surfaces are not identically
+        sized. */
+    bool copySurface(GrSurface* dst, GrSurface* src) {
+        return this->copySurface(dst, src, SkIRect::MakeWH(dst->width(), dst->height()),
+                                 SkIPoint::Make(0,0));
+    }
+
+    /**
      * After this returns any pending writes to the surface will have been issued to the backend 3D API.
      */
     void flushSurfaceWrites(GrSurface* surface);