Default GR_GL_FUNCTION_TYPE to __stdcall on Windows.

include/gpu/gl/GrGLConfig.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
 #ifndef GrGLConfig_DEFINED
 #define GrGLConfig_DEFINED
 
 #include "GrTypes.h"
 
 /**
  * Optional GL config file.
  */
 #ifdef GR_GL_CUSTOM_SETUP_HEADER
     #include GR_GL_CUSTOM_SETUP_HEADER
 #endif
 
 #if !defined(GR_GL_FUNCTION_TYPE)
-    #define GR_GL_FUNCTION_TYPE
+    #if defined(SK_BUILD_FOR_WIN32)
+        #define GR_GL_FUNCTION_TYPE __stdcall
+    #else
+        #define GR_GL_FUNCTION_TYPE
+    #endif
 #endif
 
 /**
  * The following are optional defines that can be enabled at the compiler
  * command line, in a IDE project, in a GrUserConfig.h file, or in a GL custom
  * file (if one is in use). If a GR_GL_CUSTOM_SETUP_HEADER is used they can
  * also be placed there.
  *
  * GR_GL_LOG_CALLS: if 1 Gr can print every GL call using SkDebugf. Defaults to
  * 0. Logging can be enabled and disabled at runtime using a debugger via to
@@ skipping 81 matching lines @@
 
 #if !defined(GR_GL_MUST_USE_VBO)
     #define GR_GL_MUST_USE_VBO                          0
 #endif
 
 #if !defined(GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE)
     #define GR_GL_USE_NEW_SHADER_SOURCE_SIGNATURE       0
 #endif
 
 #endif