Dynamically create stencil buffer when needed.

src/gpu/GrSurfacePriv.h

Index: src/gpu/GrSurfacePriv.h
diff --git a/src/gpu/GrSurfacePriv.h b/src/gpu/GrSurfacePriv.h
index 3c1e9c1e957e670faa9ab5f795453368ec95155e..11a534c627c34317ddf34e417012ee087d75fb43 100644
--- a/src/gpu/GrSurfacePriv.h
+++ b/src/gpu/GrSurfacePriv.h
@@ -34,9 +34,9 @@ public:
     bool hasPendingIO() const { return fSurface->hasPendingIO(); }
 
 private:
-    GrSurfacePriv(GrSurface* surface) : fSurface(surface) { }
-    GrSurfacePriv(const GrSurfacePriv& that) : fSurface(that.fSurface) { }
-    GrSurfacePriv& operator=(const GrSurface&); // unimpl
+    GrSurfacePriv(GrSurface* surface) : fSurface(surface) {}

[robertphillips, 2015/02/20 19:57:21]

Same here I guess.

[bsalomon, 2015/02/20 20:10:39]

Done.

+    GrSurfacePriv(const GrSurfacePriv& that) : fSurface(that.fSurface) {}
+    GrSurfacePriv& operator=(const GrSurfacePriv&); // unimpl
 
     // No taking addresses of this type.
     const GrSurfacePriv* operator&() const;