add per-draw checks for lockcounts
Review URL: https://codereview.appspot.com/6943056
git-svn-id: http://skia.googlecode.com/svn/trunk@6815 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkBlitter.h b/src/core/SkBlitter.h
index ce74a28..0a075f8 100644
--- a/src/core/SkBlitter.h
+++ b/src/core/SkBlitter.h
@@ -51,6 +51,13 @@
*/
virtual const SkBitmap* justAnOpaqueColor(uint32_t* value);
+ /**
+ * Special method just to identify the null blitter, which is returned
+ * from Choose() if the request cannot be fulfilled. Default impl
+ * returns false.
+ */
+ virtual bool isNullBlitter() const;
+
///@name non-virtual helpers
void blitMaskRegion(const SkMask& mask, const SkRegion& clip);
void blitRectRegion(const SkIRect& rect, const SkRegion& clip);
@@ -92,6 +99,7 @@
virtual void blitRect(int x, int y, int width, int height) SK_OVERRIDE;
virtual void blitMask(const SkMask&, const SkIRect& clip) SK_OVERRIDE;
virtual const SkBitmap* justAnOpaqueColor(uint32_t* value) SK_OVERRIDE;
+ virtual bool isNullBlitter() const SK_OVERRIDE;
};
/** Wraps another (real) blitter, and ensures that the real blitter is only