151 lines
4.3 KiB
C
151 lines
4.3 KiB
C
#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#ifndef _GLX_context_h_
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#define _GLX_context_h_
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/*
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** License Applicability. Except to the extent portions of this file are
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** made subject to an alternative license as permitted in the SGI Free
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** Software License B, Version 1.1 (the "License"), the contents of this
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** file are subject only to the provisions of the License. You may not use
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** this file except in compliance with the License. You may obtain a copy
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** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
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** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
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**
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** http://oss.sgi.com/projects/FreeB
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**
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** Note that, as provided in the License, the Software is distributed on an
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** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
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** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
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** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
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** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
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**
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** Original Code. The Original Code is: OpenGL Sample Implementation,
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** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
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** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
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** Copyright in any portions created by third parties is as indicated
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** elsewhere herein. All Rights Reserved.
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**
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** Additional Notice Provisions: The application programming interfaces
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** established by SGI in conjunction with the Original Code are The
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** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
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** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
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** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
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** Window System(R) (Version 1.3), released October 19, 1998. This software
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** was created using the OpenGL(R) version 1.2.1 Sample Implementation
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** published by SGI, but has not been independently verified as being
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** compliant with the OpenGL(R) version 1.2.1 Specification.
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**
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*/
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typedef struct __GLXtextureFromPixmap __GLXtextureFromPixmap;
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struct __GLXtextureFromPixmap {
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int (*bindTexImage) (__GLXcontext *baseContext,
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int buffer,
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__GLXdrawable *pixmap);
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int (*releaseTexImage) (__GLXcontext *baseContext,
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int buffer,
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__GLXdrawable *pixmap);
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};
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struct __GLXcontext {
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void (*destroy) (__GLXcontext *context);
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int (*makeCurrent) (__GLXcontext *context);
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int (*loseCurrent) (__GLXcontext *context);
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int (*copy) (__GLXcontext *dst,
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__GLXcontext *src,
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unsigned long mask);
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int (*forceCurrent) (__GLXcontext *context);
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__GLXtextureFromPixmap *textureFromPixmap;
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/*
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** list of context structs
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*/
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__GLXcontext *last;
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__GLXcontext *next;
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/*
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** list of contexts bound to the same drawable
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*/
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__GLXcontext *nextDrawPriv;
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__GLXcontext *nextReadPriv;
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/*
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** config struct for this context
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*/
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__GLXconfig *config;
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/*
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** Pointer to screen info data for this context. This is set
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** when the context is created.
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*/
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__GLXscreen *pGlxScreen;
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/*
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** The XID of this context.
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*/
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XID id;
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/*
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** The XID of the shareList context.
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*/
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XID share_id;
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/*
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** screen number.
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*/
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GLint screen;
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/*
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** Whether this context's ID still exists.
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*/
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GLboolean idExists;
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/*
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** Whether this context is current for some client.
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*/
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GLboolean isCurrent;
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/*
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** Whether this context is a direct rendering context.
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*/
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GLboolean isDirect;
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/*
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** This flag keeps track of whether there are unflushed GL commands.
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*/
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GLboolean hasUnflushedCommands;
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/*
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** Current rendering mode for this context.
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*/
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GLenum renderMode;
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/*
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** Buffers for feedback and selection.
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*/
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GLfloat *feedbackBuf;
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GLint feedbackBufSize; /* number of elements allocated */
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GLuint *selectBuf;
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GLint selectBufSize; /* number of elements allocated */
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/*
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** The drawable private this context is bound to
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*/
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__GLXdrawable *drawPriv;
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__GLXdrawable *readPriv;
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};
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/* pending state defines */
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#define __GLX_PENDING_RESIZE 0x1
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#define __GLX_PENDING_DESTROY 0x2
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#define __GLX_PENDING_SWAP 0x4
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void __glXContextDestroy(__GLXcontext *context);
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#endif /* !__GLX_context_h__ */
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