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/* $Id: glx.h,v 1.2 1996/09/19 03:50:42 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 2.0
* Copyright (C) 1995-1996 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: glx.h,v $
* Revision 1.2 1996/09/19 03:50:42 brianp
* added glXReleaseBuffersMESA(), GLX_MESA_release_buffers extension
*
* Revision 1.1 1996/09/13 01:26:41 brianp
* Initial revision
*
*/
#ifndef GLX_H
#define GLX_H
/*
* A pseudo-GLX implementation to allow GLX-based OpenGL programs to
* work with Mesa.
*
* Notes:
* 1. If the visual passed to glXGetConfig was not one returned by
* glXChooseVisual then the GLX_RGBA and GLX_DOUBLEBUFFER queries
* will always return True and the GLX_DEPTH_SIZE query will always
* return non-zero.
* 2. The glXIsDirect() function always returns True.
*/
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include "GL/gl.h"
#ifdef MESA
#include "GL/xmesa.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define GLX_VERSION_1_1 1
/*
* Tokens for glXChooseVisual and glXGetConfig:
*/
enum _GLX_CONFIGS {
GLX_USE_GL = 1,
GLX_BUFFER_SIZE = 2,
GLX_LEVEL = 3,
GLX_RGBA = 4,
GLX_DOUBLEBUFFER = 5,
GLX_STEREO = 6,
GLX_AUX_BUFFERS = 7,
GLX_RED_SIZE = 8,
GLX_GREEN_SIZE = 9,
GLX_BLUE_SIZE = 10,
GLX_ALPHA_SIZE = 11,
GLX_DEPTH_SIZE = 12,
GLX_STENCIL_SIZE = 13,
GLX_ACCUM_RED_SIZE = 14,
GLX_ACCUM_GREEN_SIZE = 15,
GLX_ACCUM_BLUE_SIZE = 16,
GLX_ACCUM_ALPHA_SIZE = 17,
/* GLX_EXT_visual_info extension */
GLX_X_VISUAL_TYPE_EXT = 0x22,
GLX_TRANSPARENT_TYPE_EXT = 0x23,
GLX_TRANSPARENT_INDEX_VALUE_EXT = 0x24,
GLX_TRANSPARENT_RED_VALUE_EXT = 0x25,
GLX_TRANSPARENT_GREEN_VALUE_EXT = 0x26,
GLX_TRANSPARENT_BLUE_VALUE_EXT = 0x27,
GLX_TRANSPARENT_ALPHA_VALUE_EXT = 0x28
};
/*
* Error codes returned by glXGetConfig:
*/
#define GLX_BAD_SCREEN 1
#define GLX_BAD_ATTRIBUTE 2
#define GLX_NO_EXTENSION 3
#define GLX_BAD_VISUAL 4
#define GLX_BAD_CONTEXT 5
#define GLX_BAD_VALUE 6
#define GLX_BAD_ENUM 7
/*
* GLX 1.1 and later:
*/
#define GLX_VENDOR 1
#define GLX_VERSION 2
#define GLX_EXTENSIONS 3
/*
* GLX_visual_info extension
*/
#define GLX_TRUE_COLOR_EXT 0x8002
#define GLX_DIRECT_COLOR_EXT 0x8003
#define GLX_PSEUDO_COLOR_EXT 0x8004
#define GLX_STATIC_COLOR_EXT 0x8005
#define GLX_GRAY_SCALE_EXT 0x8006
#define GLX_STATIC_GRAY_EXT 0x8007
#define GLX_NONE_EXT 0x8000
#define GLX_TRANSPARENT_RGB_EXT 0x8008
#define GLX_TRANSPARENT_INDEX_EXT 0x8009
/*
* Compile-time extension tests
*/
#ifdef MESA
#define GLX_EXT_visual_info 1
#define GLX_MESA_pixmap_colormap 1
#define GLX_MESA_release_buffers 1
#endif
#ifdef MESA
typedef XMesaContext GLXContext;
typedef Pixmap GLXPixmap;
typedef Drawable GLXDrawable;
#else
typedef void * GLXContext;
typedef XID GLXPixmap;
typedef XID GLXDrawable;
#endif
typedef XID GLXContextID;
extern XVisualInfo* glXChooseVisual( Display *dpy, int screen,
int *attribList );
extern GLXContext glXCreateContext( Display *dpy, XVisualInfo *vis,
GLXContext shareList, Bool direct );
extern void glXDestroyContext( Display *dpy, GLXContext ctx );
extern Bool glXMakeCurrent( Display *dpy, GLXDrawable drawable,
GLXContext ctx);
extern void glXCopyContext( Display *dpy, GLXContext src, GLXContext dst,
GLuint mask );
extern void glXSwapBuffers( Display *dpy, GLXDrawable drawable );
extern GLXPixmap glXCreateGLXPixmap( Display *dpy, XVisualInfo *visual,
Pixmap pixmap );
extern void glXDestroyGLXPixmap( Display *dpy, GLXPixmap pixmap );
extern Bool glXQueryExtension( Display *dpy, int *errorb, int *event );
extern Bool glXQueryVersion( Display *dpy, int *maj, int *min );
extern Bool glXIsDirect( Display *dpy, GLXContext ctx );
extern int glXGetConfig( Display *dpy, XVisualInfo *visual,
int attrib, int *value );
extern GLXContext glXGetCurrentContext( void );
extern GLXDrawable glXGetCurrentDrawable( void );
extern void glXWaitGL( void );
extern void glXWaitX( void );
extern void glXUseXFont( Font font, int first, int count, int list );
/* GLX 1.1 and later */
extern const char *glXQueryExtensionsString( Display *dpy, int screen );
extern const char *glXQueryServerString( Display *dpy, int screen, int name );
extern const char *glXGetClientString( Display *dpy, int name );
/*
* Mesa GLX Extensions
*/
#ifdef GLX_MESA_pixmap_colormap
extern GLXPixmap glXCreateGLXPixmapMESA( Display *dpy, XVisualInfo *visual,
Pixmap pixmap, Colormap cmap );
#endif
#ifdef GLX_MESA_release_buffers
extern Bool glXReleaseBuffersMESA( Display *dpy, Window w );
#endif
#ifdef __cplusplus
}
#endif
#endif
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