get genmipmap function in the struct

src/gpu/gl/unix/GrGLCreateNativeInterface_unix.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"
@@ skipping 71 matching lines @@
         interface->fDrawBuffer = glDrawBuffer;
         GR_GL_GET_PROC(DrawBuffers);
         interface->fDrawElements = glDrawElements;
         interface->fEnable = glEnable;
         GR_GL_GET_PROC(EnableVertexAttribArray);
         GR_GL_GET_PROC(EndQuery);
         interface->fFinish = glFinish;
         interface->fFlush = glFlush;
         interface->fFrontFace = glFrontFace;
         GR_GL_GET_PROC(GenBuffers);
+        GR_GL_GET_PROC(GenerateMipmap);
         GR_GL_GET_PROC(GetBufferParameteriv);
         interface->fGetError = glGetError;
         interface->fGetIntegerv = glGetIntegerv;
         GR_GL_GET_PROC(GetQueryObjectiv);
         GR_GL_GET_PROC(GetQueryObjectuiv);
         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);
         } else if (extensions.has("GL_EXT_timer_query")) {
@@ skipping 111 matching lines @@
             delete interface;
             return NULL;
         }
         interface->fBindingsExported = kDesktop_GrGLBinding;
 
         return interface;
     } else {
         return NULL;
     }
 }