Add GrEllipseEdgeEffect

src/gpu/gl/GrGLShaderBuilder.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLShaderBuilder_DEFINED
 #define GrGLShaderBuilder_DEFINED
 
@@ skipping 128 matching lines @@
 
     const GrGLShaderVar& getUniformVariable(GrGLUniformManager::UniformHandle) const;
 
     /**
      * Shortcut for getUniformVariable(u).c_str()
      */
     const char* getUniformCStr(GrGLUniformManager::UniformHandle u) const {
         return this->getUniformVariable(u).c_str();
     }
 
-    /** Add a varying variable to the current program to pass values between vertex and fragment
+   /** Add a vertex attribute to the current program that is passed in from the vertex data */
+    void addAttribute(GrSLType type, const char* name);
+
+   /** Add a varying variable to the current program to pass values between vertex and fragment
         shaders. If the last two parameters are non-NULL, they are filled in with the name
         generated. */
     void addVarying(GrSLType type,
                     const char* name,
                     const char** vsOutName = NULL,
                     const char** fsInName = NULL);
 
     /** Returns a variable name that represents the position of the fragment in the FS. The position
         is in device space (e.g. 0,0 is the top left and pixel centers are at half-integers). */
     const char* fragmentPosition();
@@ skipping 65 matching lines @@
     SkString                            fFSFunctions;
     SkString                            fFSHeader;
 
     bool                                fSetupFragPosition;
     GrGLUniformManager::UniformHandle   fRTHeightUniform;
 
     GrGLShaderVar*                      fPositionVar;
 };
 
 #endif