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/* $XFree86: xc/programs/Xserver/GL/glx/glxext.h,v 1.7 2003/11/17 22:20:26 dawes Exp $ */
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#ifndef _glxext_h_
#define _glxext_h_

/*
** License Applicability. Except to the extent portions of this file are
** made subject to an alternative license as permitted in the SGI Free
** Software License B, Version 1.1 (the "License"), the contents of this
** file are subject only to the provisions of the License. You may not use
** this file except in compliance with the License. You may obtain a copy
** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
** 
** http://oss.sgi.com/projects/FreeB
** 
** Note that, as provided in the License, the Software is distributed on an
** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
** 
** Original Code. The Original Code is: OpenGL Sample Implementation,
** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
** Copyright in any portions created by third parties is as indicated
** elsewhere herein. All Rights Reserved.
** 
** Additional Notice Provisions: The application programming interfaces
** established by SGI in conjunction with the Original Code are The
** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
** Window System(R) (Version 1.3), released October 19, 1998. This software
** was created using the OpenGL(R) version 1.2.1 Sample Implementation
** published by SGI, but has not been independently verified as being
** compliant with the OpenGL(R) version 1.2.1 Specification.
**
*/

/*
 * Added by VA Linux for XFree86 4.0.x
 */
typedef struct {
    int type;
    void (*resetExtension)(void);
    Bool (*initVisuals)(
        VisualPtr *       visualp,
        DepthPtr *        depthp,
        int *             nvisualp,
        int *             ndepthp,
        int *             rootDepthp,
        VisualID *        defaultVisp,
        unsigned long     sizes,
        int               bitsPerRGB
        );
    void (*setVisualConfigs)(
        int                nconfigs,
        __GLXvisualConfig *configs,
        void              **privates
        );
} __GLXextensionInfo;

extern GLboolean __glXFreeContext(__GLXcontext *glxc);
extern void __glXFlushContextCache(void);

extern void __glXNoSuchRenderOpcode(GLbyte*);
extern int __glXNoSuchSingleOpcode(__GLXclientState*, GLbyte*);
extern void __glXErrorCallBack(__GLinterface *gc, GLenum code);
extern void __glXClearErrorOccured(void);
extern GLboolean __glXErrorOccured(void);
extern void __glXResetLargeCommandStatus(__GLXclientState*);

extern int __glXQueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc);
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extern int __glXSwapQueryContextInfoEXT(__GLXclientState *cl, GLbyte *pc);

extern int __glXMakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc);
extern int __glXSwapMakeCurrentReadSGI(__GLXclientState *cl, GLbyte *pc);
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extern void GlxExtensionInit(void);

extern Bool __glXCoreType(void);

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extern const char GLServerVersion[];
extern int DoGetString(__GLXclientState *cl, GLbyte *pc, GLboolean need_swap);

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extern int GlxInitVisuals(
    VisualPtr *       visualp,
    DepthPtr *        depthp,
    int *             nvisualp,
    int *             ndepthp,
    int *             rootDepthp,
    VisualID *        defaultVisp,
    unsigned long     sizes,
    int               bitsPerRGB,
    int               preferredVis
);

#endif /* _glxext_h_ */