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Diffstat (limited to 'glx/glxcontext.h')
| -rw-r--r-- | glx/glxcontext.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/glx/glxcontext.h b/glx/glxcontext.h new file mode 100644 index 000000000..18d3c6fe5 --- /dev/null +++ b/glx/glxcontext.h @@ -0,0 +1,150 @@ +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#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 __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); + int (*forceCurrent) (__GLXcontext *context); + + __GLXtextureFromPixmap *textureFromPixmap; + + /* + ** list of context structs + */ + __GLXcontext *last; + __GLXcontext *next; + + /* + ** list of contexts bound to the same drawable + */ + __GLXcontext *nextDrawPriv; + __GLXcontext *nextReadPriv; + + /* + ** 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; + + /* + ** The XID of this context. + */ + XID id; + + /* + ** The XID of the shareList context. + */ + XID share_id; + + /* + ** 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; + + /* + ** 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 */ + + /* + ** The drawable private this context is bound to + */ + __GLXdrawable *drawPriv; + __GLXdrawable *readPriv; +}; + +/* pending state defines */ +#define __GLX_PENDING_RESIZE 0x1 +#define __GLX_PENDING_DESTROY 0x2 +#define __GLX_PENDING_SWAP 0x4 + +void __glXContextDestroy(__GLXcontext *context); + +#endif /* !__GLX_context_h__ */ |