1#ifndef SO@GUI@_GL_H 2#define SO@GUI@_GL_H 3 4// @configure_input@ 5 6/**************************************************************************\ 7 * 8 * This file is part of the Coin 3D visualization library. 9 * Copyright (C) by Kongsberg Oil & Gas Technologies. 10 * 11 * This library is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License 13 * ("GPL") version 2 as published by the Free Software Foundation. 14 * See the file LICENSE.GPL at the root directory of this source 15 * distribution for additional information about the GNU GPL. 16 * 17 * For using Coin with software that can not be combined with the GNU 18 * GPL, and for taking advantage of the additional benefits of our 19 * support services, please contact Kongsberg Oil & Gas Technologies 20 * about acquiring a Coin Professional Edition License. 21 * 22 * See http://www.coin3d.org/ for more information. 23 * 24 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY. 25 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org 26 * 27\**************************************************************************/ 28 29/* This header file is supposed to take care of all operating system 30 * dependent anomalies connected to the gl.h include file. It is only 31 * for use while building the Coin library, and should not be installed 32 * with the rest of the header files (at least not yet). 20010913 larsa */ 33 34#ifndef SO@GUI@_VERSION 35#error "you must include config.h before including Inventor/system/gl.h" 36#endif /* !SO@GUI_VERSION */ 37 38#ifdef HAVE_WINDOWS_H 39/* on windows, headers do not include their dependencies */ 40#include <windows.h> 41#endif /* HAVE_WINDOWS_H */ 42 43#ifdef HAVE_GL_GL_H 44/* the preferred gl.h path */ 45#include <GL/gl.h> 46#else 47#ifdef HAVE_OPENGL_GL_H 48/* how Mac OS X organizes things - should we now stuff Coin header in 49 OpenInventor/? (that *was* irony) */ 50#include <OpenGL/gl.h> 51#else 52#error "don't know how to include gl.h header" 53#endif /* !HAVE_GL_GL_H */ 54#endif /* !HAVE_OPENGL_GL_H */ 55 56#ifdef HAVE_GL_GLU_H 57#include <GL/glu.h> 58#else 59#ifdef HAVE_OPENGL_GLU_H 60#include <OpenGL/glu.h> 61#endif 62#endif 63 64/* 65 At least MS Windows often has very old gl.h files, so we just define 66 these values here if not defined already. Run-time checks are used 67 to determine which feature to use. 68*/ 69 70#ifndef GL_CLAMP_TO_EDGE 71#define GL_CLAMP_TO_EDGE 0x812F 72#endif /* GL_CLAMP_TO_EDGE */ 73 74#ifndef GL_CLAMP_TO_EDGE_EXT 75#define GL_CLAMP_TO_EDGE_EXT 0x812F 76#endif /* GL_CLAMP_TO_EDGE_EXT */ 77 78#ifndef GL_CLAMP_TO_EDGE_SGIS 79#define GL_CLAMP_TO_EDGE_SGIS 0x812F 80#endif /* GL_CLAMP_TO_EDGE_SGIS */ 81 82#endif /* ! COIN_GL_H */ 83