get genmipmap function in the struct

src/gpu/gl/mesa/GrGLCreateMesaInterface.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gl/GrGLExtensions.h"
 #include "gl/GrGLInterface.h"
@@ skipping 71 matching lines @@
         GR_GL_GET_PROC(DrawBuffer);
         GR_GL_GET_PROC(DrawBuffers);
         GR_GL_GET_PROC(DrawElements);
         GR_GL_GET_PROC(Enable);
         GR_GL_GET_PROC(EnableVertexAttribArray);
         GR_GL_GET_PROC(EndQuery);
         GR_GL_GET_PROC(Finish);
         GR_GL_GET_PROC(Flush);
         GR_GL_GET_PROC(FrontFace);
         GR_GL_GET_PROC(GenBuffers);
+        GR_GL_GET_PROC(GenerateMipmap);
         GR_GL_GET_PROC(GenQueries);
         GR_GL_GET_PROC(GetBufferParameteriv);
         GR_GL_GET_PROC(GetError);
         GR_GL_GET_PROC(GetIntegerv);
         GR_GL_GET_PROC(GetProgramInfoLog);
         GR_GL_GET_PROC(GetProgramiv);
         if (glVer >= GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) {
             GR_GL_GET_PROC(GetQueryObjecti64v);
             GR_GL_GET_PROC(GetQueryObjectui64v)
             GR_GL_GET_PROC(QueryCounter);
@@ skipping 106 matching lines @@
             delete interface;
             return NULL;
         }
         GR_GL_GET_PROC(BindFragDataLocationIndexed);
         interface->fBindingsExported = kDesktop_GrGLBinding;
         return interface;
     } else {
         return NULL;
     }
 }