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/* $Id: gmesa.h,v 1.3 1997/02/19 10:13:54 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 2.2
* Copyright (C) 1995-1997 Brian Paul
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* $Log: gmesa.h,v $
* Revision 1.3 1997/02/19 10:13:54 brianp
* now test for __QUICKDRAW__ like for __BEOS__ (Randy Frank)
*
* Revision 1.2 1997/02/03 20:06:22 brianp
* patches for BeOS
*
* Revision 1.1 1996/09/13 01:26:41 brianp
* Initial revision
*
*/
/*
* (G)eneric Mesa interface
*
* This generic interface to Mesa provides minimal functionality. It's
* intended to be an _experimental_ interface for projects such as Linux/3-D
* hardware. There may eventually be many different implementations of this
* interface for different operating systems and graphics cards.
*
*
* Usage:
* 1. #include <GL/gmesa.h>
* 2. use GMesaCreateContext() to get a new GMesa context
* 3. use GMesaMakeCurrent() to activate a GMesa context
* 4. do your OpenGL rendering
* 5. use GMesaSwapBuffers() in double buffer mode to swap color buffers
* 6. use GMesaDestroyContext() to destroy a GMesa context
* 7. use GMesaGetContext() to return the current context
*
*
* Implementation:
* 1. GMesaCreateContext() should initialize the hardware and return
* a GMesa context struct pointer
* 2. GMesaMakeCurrent() should activate the context
* 3. GMesaDestroyContext() should free the context's resources and
* reset the hardware
* 4. GMesaSwapBuffers() should swap the front/back color buffers for
* the current context
* 5. It may be the case that an implementation of this interface only
* supports one context at a time. That's fine.
*/
#ifndef GMESA_H
#define GMESA_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* A version identifier:
*/
#define GMESA_VERSION 1
/*
* This is the GMesa context 'handle':
*/
typedef struct gmesa_context *GMesaContext;
#if defined(__BEOS__) || defined(__QUICKDRAW__)
#pragma export on
#endif
extern GMesaContext GMesaCreateContext( void );
extern void GMesaDestroyContext( GMesaContext ctx );
extern void GMesaMakeCurrent( GMesaContext ctx );
extern GMesaContext GMesaGetCurrentContext( void );
extern GMesaSwapBuffers( void );
#if defined(__BEOS__) || defined(__QUICKDRAW__)
#pragma export off
#endif
#ifdef __cplusplus
}
#endif
#endif
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