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#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#ifndef _GLX_context_h_
#define _GLX_context_h_
/*
* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice including the dates of first publication and
* either this permission notice or a reference to
* http://oss.sgi.com/projects/FreeB/
* shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of Silicon Graphics, Inc.
* shall not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization from
* Silicon Graphics, Inc.
*/
typedef struct __GLXtextureFromPixmap __GLXtextureFromPixmap;
struct __GLXtextureFromPixmap {
int (*bindTexImage) (__GLXcontext * baseContext,
int buffer, __GLXdrawable * pixmap);
int (*releaseTexImage) (__GLXcontext * baseContext,
int buffer, __GLXdrawable * pixmap);
};
struct __GLXcontext {
void (*destroy) (__GLXcontext * context);
int (*makeCurrent) (__GLXcontext * context);
int (*loseCurrent) (__GLXcontext * context);
int (*copy) (__GLXcontext * dst, __GLXcontext * src, unsigned long mask);
Bool (*wait) (__GLXcontext * context, __GLXclientState * cl, int *error);
__GLXtextureFromPixmap *textureFromPixmap;
/*
** list of context structs
*/
__GLXcontext *next;
/*
** config struct for this context
*/
__GLXconfig *config;
/*
** Pointer to screen info data for this context. This is set
** when the context is created.
*/
__GLXscreen *pGlxScreen;
/*
** If this context is current for a client, this will be that client
*/
ClientPtr currentClient;
/*
** The XID of this context.
*/
XID id;
/*
** The XID of the shareList context.
*/
XID share_id;
/*
** Whether this context's ID still exists.
*/
GLboolean idExists;
/*
** Whether this context is a direct rendering context.
*/
GLboolean isDirect;
/*
** This flag keeps track of whether there are unflushed GL commands.
*/
GLboolean hasUnflushedCommands;
/*
** Current rendering mode for this context.
*/
GLenum renderMode;
/**
* Reset notification strategy used when a GPU reset occurs.
*/
GLenum resetNotificationStrategy;
/**
* Context release behavior
*/
GLenum releaseBehavior;
/*
** Buffers for feedback and selection.
*/
GLfloat *feedbackBuf;
GLint feedbackBufSize; /* number of elements allocated */
GLuint *selectBuf;
GLint selectBufSize; /* number of elements allocated */
/*
** The drawable private this context is bound to
*/
__GLXdrawable *drawPriv;
__GLXdrawable *readPriv;
};
void __glXContextDestroy(__GLXcontext * context);
extern int validGlxScreen(ClientPtr client, int screen,
__GLXscreen ** pGlxScreen, int *err);
extern int validGlxFBConfig(ClientPtr client, __GLXscreen * pGlxScreen,
XID id, __GLXconfig ** config, int *err);
extern int validGlxContext(ClientPtr client, XID id, int access_mode,
__GLXcontext ** context, int *err);
extern __GLXcontext *__glXdirectContextCreate(__GLXscreen * screen,
__GLXconfig * modes,
__GLXcontext * shareContext);
#endif /* !__GLX_context_h__ */
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