Updates for bazel on windows.

opengl.h

@@ -0,0 +1,78 @@
+/***************************************************************************
+ *   Copyright (C) 2001-2023 by Tom Hicks                                  *
+ *   headhunter3@gmail.com                                                 *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#ifndef OpenArena__opengl_h__
+#define OpenArena__opengl_h__
+
+// clang-format off
+#include "config.h"
+#ifdef _WIN32
+#include <windows.h>
+#endif  // End ifdef _WIN32
+
+#if defined(__APPLE__)
+#include <OpenGL/gl.h>
+#include <OpenGL/glu.h>
+#elif defined(_WIN32)
+#include <GL/gl.h>
+#include <GL/glu.h>
+// link necessary libraries
+#pragma comment(lib, "opengl32.lib")
+#pragma comment(lib, "glu32.lib")
+#pragma comment(lib, "kernel32.lib")
+#pragma comment(lib, "user32.lib")
+#pragma comment(lib, "gdi32.lib")
+#pragma comment(lib, "advapi32.lib")
+#pragma comment(lib, "winmm.lib")
+#endif  // defined __APPLE__
+
+/*
+#if defined USE_GLX
+#include <GL/gl.h>
+#include <GL/glu.h>  //maybe not necessary
+#include <GL/glx.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#if defined HAVE_XF86VIDMODE
+#include <X11/extensions/xf86vmode.h>
+#endif
+#elif defined USE_AGL
+#include <AGL/agl.h>
+#include <OpenGL/gl.h>
+#include <OpenGL/glu.h>
+#elif defined USE_CGL
+#include <OpenGL/OpenGL.h>
+#include <OpenGL/gl.h>
+#elif defined USE_WGL
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include <windows.h>
+#endif
+*/
+
+// // define the function's prototype
+// typedef void (*GL_GENBUFFERS) (GLsizei, GLuint*);
+// // find the function and assign it to a function pointer
+// GL_GENBUFFERS glGenBuffers  = (GL_GENBUFFERS)wglGetProcAddress("glGenBuffers");
+// // function can now be called as normal
+// unsigned int buffer;
+// glGenBuffers(1, &buffer);
+#endif  // End !defined(OpenArena__opengl_h__)