stub for ganesh veto

BUG=skia:
R=bsalomon@google.com, nduca@chromium.org

Author: humper@google.com

Review URL: https://codereview.chromium.org/197803002

git-svn-id: http://skia.googlecode.com/svn/trunk@13866 2bbb7eff-a529-9590-31e7-b0007b416f81

include/core/SkPicture.h

@@ -14,6 +14,10 @@
 #include "SkImageDecoder.h"
 #include "SkRefCnt.h"
 
+#if SK_SUPPORT_GPU
+class GrContext;
+#endif
+
 class SkBBoxHierarchy;
 class SkCanvas;
 class SkDrawPictureCallback;
@@ -260,6 +264,13 @@ public:
     */
     void internalOnly_EnableOpts(bool enableOpts);
 
+    /** Return true if the picture is suitable for rendering on the GPU.
+     */
+
+#if SK_SUPPORT_GPU
+    bool suitableForGpuRasterization(GrContext*) const;
+#endif
+
 protected:
     // V2 : adds SkPixelRef's generation ID.
     // V3 : PictInfo tag at beginning, and EOF tag at the end

src/core/SkPicture.cpp

@@ -26,6 +26,10 @@
 #include "SkRTree.h"
 #include "SkBBoxHierarchyRecord.h"
 
+#if SK_SUPPORT_GPU
+#include "GrContext.h"
+#endif
+
 #define DUMP_BUFFER_SIZE 65536
 
 //#define ENABLE_TIME_DRAW    // dumps milliseconds for each draw
@@ -447,6 +451,11 @@ void SkPicture::flatten(SkWriteBuffer& buffer) const {
     }
 }
 
+bool SkPicture::suitableForGpuRasterization(GrContext* context) const {
+    // Stub for now; never veto GPu rasterization.
+    return true;
+}
+
 bool SkPicture::willPlayBackBitmaps() const {
     if (!fPlayback) {
         return false;