remove view matrix from context

include/core/SkShader.h

Index: include/core/SkShader.h
diff --git a/include/core/SkShader.h b/include/core/SkShader.h
index 8018cd44fff37dfa9858d6e6c0d31cf39e2cb895..3989d900828fbf61f35b590bfb1ac6b703ea82ae 100644
--- a/include/core/SkShader.h
+++ b/include/core/SkShader.h
@@ -385,8 +385,8 @@ public:
      *  The GrContext may be used by the effect to create textures. The GPU device does not
      *  call createContext. Instead we pass the SkPaint here in case the shader needs paint info.
      */
-    virtual bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix*, GrColor*,
-                                     GrFragmentProcessor**) const;
+    virtual bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix& viewM,

[bsalomon, 2014/12/17 17:12:33]

Need to update comments to reflect these changes. What is the second matrix for?
Not clear at all from this file.

[joshualitt, 2014/12/17 19:19:58]

:( I actually have no idea what the second matrix is for.  Its often called
'localMatrix' and in many cases its NULL.  Any clue what it is?

+                                     const SkMatrix*, GrColor*, GrFragmentProcessor**) const;
 
     /**
      *  If the shader can represent its "average" luminance in a single color, return true and