-/* This must be done after <GL/gl.h> is included. MESA is defined
- if the <GL/gl.h> is supplied by Brian Paul's Mesa library. */
-#if defined(MESA) && defined(_WIN32)
-/* Mesa implements "wgl" versions of GDI entry points needed for
- using OpenGL. Map these "wgl" versions to the GDI names via
- macros. */
-#define ChoosePixelFormat wglChoosePixelFormat
-#define DescribePixelFormat wglDescribePixelFormat
-#define GetPixelFormat wglGetPixelFormat
-#define SetPixelFormat wglSetPixelFormat
-#define SwapBuffers wglSwapBuffers
-#define GetCurrentContext wglGetCurrentContext
-#define GetCurrentDC wglGetCurrentDC
-#define MakeCurrent wglMakeCurrent
-#define CreateContext wglCreateContext
-#define DeleteContext wglDeleteContext
-#endif /* MESA */
-