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/* $XFree86: xc/programs/Xserver/GL/glx/glxcontext.h,v 1.4 2002/02/22 21:45:07 dawes Exp $ */
#ifndef _GLX_context_h_
#define _GLX_context_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.
**
*/
typedef struct __GLXcontextRec __GLXcontext;
/* XXX: should be defined somewhere globally */
#define CAPI
#include "GL/internal/glcore.h"
struct __GLXcontextRec {
/*
** list of context structs
*/
struct __GLXcontextRec *last;
struct __GLXcontextRec *next;
/*
** list of contexts bound to the same drawable
*/
struct __GLXcontextRec *nextDrawPriv;
struct __GLXcontextRec *nextReadPriv;
/*
** Opaque pointer the context object created by the GL that the
** server is bound with. Never dereferenced by this code, but used
** as a handle to feed to the routines in the screen info struct.
*/
__GLinterface *gc;
/*
** mode struct for this context
*/
__GLcontextModes *modes;
/*
** Pointer to screen info data for this context. This is set
** when the context is created.
*/
ScreenPtr pScreen;
__GLXscreenInfo *pGlxScreen;
/*
** This context is created with respect to this visual.
*/
VisualRec *pVisual;
/*
** The XID of this context.
*/
XID id;
/*
** The XID of the shareList context.
*/
XID share_id;
/*
** Visual id.
*/
VisualID vid;
/*
** screen number.
*/
GLint screen;
/*
** Whether this context's ID still exists.
*/
GLboolean idExists;
/*
** Whether this context is current for some client.
*/
GLboolean isCurrent;
/*
** Whether this context is a direct rendering context.
*/
GLboolean isDirect;
/*
** Window pending state
*/
GLuint pendingState;
/*
** This flag keeps track of whether there are unflushed GL commands.
*/
GLboolean hasUnflushedCommands;
/*
** Current rendering mode for this context.
*/
GLenum renderMode;
/*
** Buffers for feedback and selection.
*/
GLfloat *feedbackBuf;
GLint feedbackBufSize; /* number of elements allocated */
GLuint *selectBuf;
GLint selectBufSize; /* number of elements allocated */
/*
** Set only if current drawable is a glx pixmap.
*/
__GLXpixmap *drawPixmap;
__GLXpixmap *readPixmap;
/*
** The drawable private this context is bound to
*/
__GLXdrawablePrivate *drawPriv;
__GLXdrawablePrivate *readPriv;
};
/* pending state defines */
#define __GLX_PENDING_RESIZE 0x1
#define __GLX_PENDING_DESTROY 0x2
#define __GLX_PENDING_SWAP 0x4
#endif /* !__GLX_context_h__ */
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