/*
Copyright (C) 1997-2001 Id Software, Inc.

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.

*/

//
// win_wgl.h
//

qboolean	WGL_Init( const char *dllname );
void		WGL_Shutdown( void );
void		*WGL_GetProcAddress( const char *symbol );

extern  void ( APIENTRY * qglDrawBuffer )(GLenum mode);
extern  const GLubyte * ( APIENTRY * qglGetString )(GLenum name);

extern  int   ( WINAPI * qwglChoosePixelFormat )(HDC, CONST PIXELFORMATDESCRIPTOR *);
extern  int   ( WINAPI * qwglDescribePixelFormat) (HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
extern  int   ( WINAPI * qwglGetPixelFormat)(HDC);
extern  BOOL  ( WINAPI * qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
extern  BOOL  ( WINAPI * qwglSwapBuffers)(HDC);

extern BOOL  ( WINAPI * qwglCopyContext)(HGLRC, HGLRC, UINT);
extern HGLRC ( WINAPI * qwglCreateContext)(HDC);
extern HGLRC ( WINAPI * qwglCreateLayerContext)(HDC, int);
extern BOOL  ( WINAPI * qwglDeleteContext)(HGLRC);
extern HGLRC ( WINAPI * qwglGetCurrentContext)(VOID);
extern HDC   ( WINAPI * qwglGetCurrentDC)(VOID);
extern PROC  ( WINAPI * qwglGetProcAddress)(LPCSTR);
extern BOOL  ( WINAPI * qwglMakeCurrent)(HDC, HGLRC);
extern BOOL  ( WINAPI * qwglShareLists)(HGLRC, HGLRC);
extern BOOL ( WINAPI * qwglDescribeLayerPlane)(HDC, int, int, UINT,
                                            LPLAYERPLANEDESCRIPTOR);
extern int  ( WINAPI * qwglSetLayerPaletteEntries)(HDC, int, int, int,
                                                CONST COLORREF *);
extern int  ( WINAPI * qwglGetLayerPaletteEntries)(HDC, int, int, int,
                                                COLORREF *);
extern BOOL ( WINAPI * qwglRealizeLayerPalette)(HDC, int, BOOL);
extern BOOL ( WINAPI * qwglSwapLayerBuffers)(HDC, UINT);

typedef BOOL ( WINAPI * PFNWGLSWAPINTERWALEXTPROC )( int );
extern BOOL ( WINAPI * qwglSwapIntervalEXT)( int interval );

extern BOOL ( WINAPI * qwglGetDeviceGammaRampEXT ) ( unsigned char *pRed, unsigned char *pGreen, unsigned char *pBlue );
extern BOOL ( WINAPI * qwglSetDeviceGammaRampEXT ) ( const unsigned char *pRed, const unsigned char *pGreen, const unsigned char *pBlue );