Don't draw if SkShader::asNewFragmentProcessor fails.

include/gpu/SkGr.h

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
@@ skipping 63 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 
 // Converts a SkPaint to a GrPaint, ignoring the SkPaint's shader.
 // Sets the color of GrPaint to the value of the parameter paintColor
 // Callers may subsequently modify the GrPaint. Setting constantColor indicates
 // that the final paint will draw the same color at every pixel. This allows
 // an optimization where the color filter can be applied to the SkPaint's
 // color once while converting to GrPaint and then ignored. TODO: Remove this
 // bool and use the invariant info to automatically apply the color filter.
-void SkPaint2GrPaintNoShader(GrContext* context, GrRenderTarget*, const SkPaint& skPaint,
+bool SkPaint2GrPaintNoShader(GrContext* context, GrRenderTarget*, const SkPaint& skPaint,
                              GrColor paintColor, bool constantColor, GrPaint* grPaint);
 
 // This function is similar to skPaint2GrPaintNoShader but also converts
 // skPaint's shader to a GrFragmentProcessor if possible.
 // constantColor has the same meaning as in skPaint2GrPaintNoShader.
-void SkPaint2GrPaintShader(GrContext* context, GrRenderTarget*, const SkPaint& skPaint,
-                           const SkMatrix& viewM, bool constantColor, GrPaint* grPaint);
+bool SkPaint2GrPaint(GrContext* context, GrRenderTarget*, const SkPaint& skPaint,
+                     const SkMatrix& viewM, bool constantColor, GrPaint* grPaint);
 
 ////////////////////////////////////////////////////////////////////////////////
 // Classes
 
 class SkGlyphCache;
 
 ////////////////////////////////////////////////////////////////////////////////
 
 #endif