When cache is full delay flush until GrContext draw is finished

include/gpu/GrContext.h

Index: include/gpu/GrContext.h
diff --git a/include/gpu/GrContext.h b/include/gpu/GrContext.h
index 5b25fe4697c80e22176f6daba5220ddd512bd0af..87669252fd066468b955ccda81fda52743986c03 100644
--- a/include/gpu/GrContext.h
+++ b/include/gpu/GrContext.h
@@ -877,6 +877,8 @@ private:
     GrIndexBufferAllocPool*         fDrawBufferIBAllocPool;
     GrInOrderDrawBuffer*            fDrawBuffer;
 

[robertphillips, 2013/10/04 15:28:12]

// This is a marker that the various draw calls can set to indicate that a flush
is required

+    bool                            fFlushToReduceCacheSize;
+
     GrAARectRenderer*               fAARectRenderer;
     GrOvalRenderer*                 fOvalRenderer;
 
@@ -899,9 +901,10 @@ private:
     void setupDrawBuffer();
 
     class AutoRestoreEffects;
+    class AutoCheckFlush;
     /// Sets the paint and returns the target to draw into. The paint can be NULL in which case the
     /// draw state is left unmodified.
-    GrDrawTarget* prepareToDraw(const GrPaint*, BufferedDraw, AutoRestoreEffects*);
+    GrDrawTarget* prepareToDraw(const GrPaint*, BufferedDraw, AutoRestoreEffects*, AutoCheckFlush*);
 
     void internalDrawPath(GrDrawTarget* target, bool useAA, const SkPath& path,
                           const SkStrokeRec& stroke);