#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 *last; __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; /* ** 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 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; /** * Reset notification strategy used when a GPU reset occurs. */ GLenum resetNotificationStrategy; /* ** 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__ */