Cleanup of context initialization

include/gpu/gl/SkNativeGLContext.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 SkNativeGLContext_DEFINED
 #define SkNativeGLContext_DEFINED
 
 #include "SkGLContextHelper.h"
 
+/* This struct is taken from a mesa demo.  Please update as required */
+static const struct { int major, minor; } gl_versions[] = {
+   {1, 0},
+   {1, 1},
+   {1, 2},
+   {1, 3},
+   {1, 4},
+   {1, 5},
+   {2, 0},
+   {2, 1},
+   {3, 0},
+   {3, 1},
+   {3, 2},
+   {3, 3},
+   {4, 0},
+   {4, 1},
+   {4, 2},
+   {4, 3},
+   {4, 4},
+   {0, 0} /* end of list */
+};
+#define NUM_GL_VERSIONS SK_ARRAY_COUNT(gl_versions)
+
 #if defined(SK_BUILD_FOR_MAC)
     #include <OpenGL/OpenGL.h>
 #elif defined(SK_BUILD_FOR_ANDROID) || defined(SK_BUILD_FOR_NACL)
     #include <GLES2/gl2.h>
     #include <EGL/egl.h>
 #elif defined(SK_BUILD_FOR_UNIX)
     #include <X11/Xlib.h>
     #include <GL/glx.h>
 #elif defined(SK_BUILD_FOR_WIN32)
     #include <windows.h>
@@ skipping 56 matching lines @@
     HDC fDeviceContext;
     HGLRC fGlRenderContext;
     static ATOM gWC;
     SkWGLPbufferContext* fPbufferContext;
 #elif defined(SK_BUILD_FOR_IOS)
     void* fEAGLContext;
 #endif
 };
 
 #endif