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#ifndef _GLTOOL_H
#define _GLTOOL_H
/**
* gltool.h
*
* Copyright (C) 2001 Sven Goethel
*
* GNU Library General Public License
* as published by the Free Software Foundation
*
* http://www.gnu.org/copyleft/lgpl.html
* General dynamical loading OpenGL (GL/GLU) support for:
*
*
* <OS - System> <#define> commentary
* -----------------------------------------------
* GNU/Linux, Unices/X11 _X11_ (loads glx also)
* Macinstosh OS9 _MAC_OS9_
* Macinstosh OSX _MAC_OSX_
* Win32 _WIN32_
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#ifdef _WIN32_
#include <windows.h>
#ifdef LIBAPIENTRY
#undef LIBAPIENTRY
#endif
#ifdef LIBAPI
#undef LIBAPI
#endif
#define LIBAPI __declspec(dllexport)
#define LIBAPIENTRY __stdcall
#else
#include <ctype.h>
#include <math.h>
#define CALLBACK
#endif
#ifdef _X11_
#include <dlfcn.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <GL/glx.h>
#endif
#ifdef _MAC_OS9_
#include <agl.h>
#include <CodeFragments.h>
#include <Errors.h>
#include <TextUtils.h>
#include <StringCompare.h>
#define fragNoErr 0
#endif
#include <GL/gl.h>
#include <GL/glu.h>
#ifndef LIBAPIENTRY
#define LIBAPIENTRY
#endif
#ifndef LIBAPI
#define LIBAPI extern
#endif
LIBAPI const char * GLTOOL_USE_GLLIB ;
LIBAPI const char * GLTOOL_USE_GLULIB ;
#include "glcaps.h"
#include "gl-disp-var.h"
#include "glu-disp-var.h"
#ifndef GLDEBUG
#ifndef NDEBUG
#define NDEBUG
#endif
#else
#ifdef NDEBUG
#undef NDEBUG
#endif
#endif
#ifndef USE_64BIT_POINTER
typedef int PointerHolder;
#else
typedef long PointerHolder;
#endif
#ifdef _WIN32_
#ifndef NDEBUG
#define CHECK_WGL_ERROR(a,b,c) check_wgl_error(a,b,c)
#else
#define CHECK_WGL_ERROR(a,b,c)
#endif
#else
#define CHECK_WGL_ERROR(a,b,c)
#endif
#ifndef NDEBUG
#define PRINT_GL_ERROR(a, b) print_gl_error((a), __FILE__, __LINE__, (b))
#define CHECK_GL_ERROR() check_gl_error(__FILE__,__LINE__)
#define GL_BEGIN(m) __sglBegin(__FILE__, __LINE__, (m))
#define GL_END() __sglEnd (__FILE__, __LINE__)
#define SHOW_GL_BEGINEND() showGlBeginEndBalance(__FILE__, __LINE__)
#define CHECK_GL_BEGINEND() checkGlBeginEndBalance(__FILE__, __LINE__)
#else
#define PRINT_GL_ERROR(a, b)
#define CHECK_GL_ERROR()
#define GL_BEGIN(m) disp__glBegin(m)
#define GL_END() disp__glEnd ()
#define SHOW_GL_BEGINEND()
#define CHECK_GL_BEGINEND()
#endif
#ifdef _WIN32_
LIBAPI void LIBAPIENTRY check_wgl_error
(HWND wnd, const char *file, int line);
#endif
LIBAPI void LIBAPIENTRY print_gl_error
(const char *msg, const char *file, int line, GLenum errorcode);
LIBAPI void LIBAPIENTRY check_gl_error
(const char *file, int line);
LIBAPI void LIBAPIENTRY showGlBeginEndBalance
(const char *file, int line);
LIBAPI void LIBAPIENTRY checkGlBeginEndBalance
(const char *file, int line);
LIBAPI void LIBAPIENTRY __sglBegin
(const char * file, int line, GLenum mode);
LIBAPI void LIBAPIENTRY __sglEnd
(const char * file, int line);
LIBAPI int LIBAPIENTRY unloadGLLibrary (void);
LIBAPI int LIBAPIENTRY loadGLLibrary
(const char * libGLName, const char * libGLUName);
LIBAPI void * LIBAPIENTRY getGLProcAddressHelper
(const char * libGLName, const char * libGLUName,
const char *func, int *method, int debug, int verbose);
LIBAPI void LIBAPIENTRY fetch_GL_FUNCS
(const char * libGLName, const char * libGLUName, int force);
#endif
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