153 lines
4.8 KiB
C
153 lines
4.8 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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* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
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* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice including the dates of first publication and
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* either this permission notice or a reference to
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* http://oss.sgi.com/projects/FreeB/
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* shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of Silicon Graphics, Inc.
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* shall not be used in advertising or otherwise to promote the sale, use or
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* other dealings in this Software without prior written authorization from
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* Silicon Graphics, Inc.
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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, __GLXcontext * src, unsigned long mask);
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Bool (*wait) (__GLXcontext * context, __GLXclientState * cl, int *error);
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/* EXT_texture_from_pixmap */
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int (*bindTexImage) (__GLXcontext * baseContext,
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int buffer, __GLXdrawable * pixmap);
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int (*releaseTexImage) (__GLXcontext * baseContext,
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int buffer, __GLXdrawable * pixmap);
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/*
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** list of context structs
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*/
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__GLXcontext *next;
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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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** If this context is current for a client, this will be that client
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*/
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ClientPtr currentClient;
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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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** 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 a direct rendering context.
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*/
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GLboolean isDirect;
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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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* Reset notification strategy used when a GPU reset occurs.
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*/
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GLenum resetNotificationStrategy;
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/**
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* Context release behavior
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*/
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GLenum releaseBehavior;
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/**
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* Context render type
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*/
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int renderType;
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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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** Keep track of large rendering commands, which span multiple requests.
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*/
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GLint largeCmdBytesSoFar; /* bytes received so far */
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GLint largeCmdBytesTotal; /* total bytes expected */
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GLint largeCmdRequestsSoFar; /* requests received so far */
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GLint largeCmdRequestsTotal; /* total requests expected */
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GLbyte *largeCmdBuf;
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GLint largeCmdBufSize;
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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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void __glXContextDestroy(__GLXcontext * context);
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extern int validGlxScreen(ClientPtr client, int screen,
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__GLXscreen ** pGlxScreen, int *err);
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extern int validGlxFBConfig(ClientPtr client, __GLXscreen * pGlxScreen,
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XID id, __GLXconfig ** config, int *err);
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extern int validGlxContext(ClientPtr client, XID id, int access_mode,
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__GLXcontext ** context, int *err);
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extern __GLXcontext *__glXdirectContextCreate(__GLXscreen * screen,
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__GLXconfig * modes,
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__GLXcontext * shareContext);
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#endif /* !__GLX_context_h__ */
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