xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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glxcontext.h (4884B)


      1 #ifdef HAVE_DIX_CONFIG_H
      2 #include <dix-config.h>
      3 #endif
      4 
      5 #ifndef _GLX_context_h_
      6 #define _GLX_context_h_
      7 
      8 /*
      9  * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
     10  * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
     11  *
     12  * Permission is hereby granted, free of charge, to any person obtaining a
     13  * copy of this software and associated documentation files (the "Software"),
     14  * to deal in the Software without restriction, including without limitation
     15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     16  * and/or sell copies of the Software, and to permit persons to whom the
     17  * Software is furnished to do so, subject to the following conditions:
     18  *
     19  * The above copyright notice including the dates of first publication and
     20  * either this permission notice or a reference to
     21  * http://oss.sgi.com/projects/FreeB/
     22  * shall be included in all copies or substantial portions of the Software.
     23  *
     24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     25  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     26  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     27  * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     28  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
     29  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     30  * SOFTWARE.
     31  *
     32  * Except as contained in this notice, the name of Silicon Graphics, Inc.
     33  * shall not be used in advertising or otherwise to promote the sale, use or
     34  * other dealings in this Software without prior written authorization from
     35  * Silicon Graphics, Inc.
     36  */
     37 
     38 struct __GLXcontext {
     39     void (*destroy) (__GLXcontext * context);
     40     int (*makeCurrent) (__GLXcontext * context);
     41     int (*loseCurrent) (__GLXcontext * context);
     42     int (*copy) (__GLXcontext * dst, __GLXcontext * src, unsigned long mask);
     43     Bool (*wait) (__GLXcontext * context, __GLXclientState * cl, int *error);
     44 
     45     /* EXT_texture_from_pixmap */
     46     int (*bindTexImage) (__GLXcontext * baseContext,
     47                          int buffer, __GLXdrawable * pixmap);
     48     int (*releaseTexImage) (__GLXcontext * baseContext,
     49                             int buffer, __GLXdrawable * pixmap);
     50 
     51     /*
     52      ** list of context structs
     53      */
     54     __GLXcontext *next;
     55 
     56     /*
     57      ** config struct for this context
     58      */
     59     __GLXconfig *config;
     60 
     61     /*
     62      ** Pointer to screen info data for this context.  This is set
     63      ** when the context is created.
     64      */
     65     __GLXscreen *pGlxScreen;
     66 
     67     /*
     68      ** If this context is current for a client, this will be that client
     69      */
     70     ClientPtr currentClient;
     71 
     72     /*
     73      ** The XID of this context.
     74      */
     75     XID id;
     76 
     77     /*
     78      ** The XID of the shareList context.
     79      */
     80     XID share_id;
     81 
     82     /*
     83      ** Whether this context's ID still exists.
     84      */
     85     GLboolean idExists;
     86 
     87     /*
     88      ** Whether this context is a direct rendering context.
     89      */
     90     GLboolean isDirect;
     91 
     92     /*
     93      ** Current rendering mode for this context.
     94      */
     95     GLenum renderMode;
     96 
     97     /**
     98      * Reset notification strategy used when a GPU reset occurs.
     99      */
    100     GLenum resetNotificationStrategy;
    101 
    102     /**
    103      * Context release behavior
    104      */
    105     GLenum releaseBehavior;
    106 
    107     /**
    108      * Context render type
    109      */
    110     int renderType;
    111 
    112     /*
    113      ** Buffers for feedback and selection.
    114      */
    115     GLfloat *feedbackBuf;
    116     GLint feedbackBufSize;      /* number of elements allocated */
    117     GLuint *selectBuf;
    118     GLint selectBufSize;        /* number of elements allocated */
    119 
    120     /*
    121      ** Keep track of large rendering commands, which span multiple requests.
    122      */
    123     GLint largeCmdBytesSoFar;   /* bytes received so far        */
    124     GLint largeCmdBytesTotal;   /* total bytes expected         */
    125     GLint largeCmdRequestsSoFar;        /* requests received so far     */
    126     GLint largeCmdRequestsTotal;        /* total requests expected      */
    127     GLbyte *largeCmdBuf;
    128     GLint largeCmdBufSize;
    129 
    130     /*
    131      ** The drawable private this context is bound to
    132      */
    133     __GLXdrawable *drawPriv;
    134     __GLXdrawable *readPriv;
    135 };
    136 
    137 void __glXContextDestroy(__GLXcontext * context);
    138 
    139 extern int validGlxScreen(ClientPtr client, int screen,
    140                           __GLXscreen ** pGlxScreen, int *err);
    141 
    142 extern int validGlxFBConfig(ClientPtr client, __GLXscreen * pGlxScreen,
    143                             XID id, __GLXconfig ** config, int *err);
    144 
    145 extern int validGlxContext(ClientPtr client, XID id, int access_mode,
    146                            __GLXcontext ** context, int *err);
    147 
    148 extern __GLXcontext *__glXdirectContextCreate(__GLXscreen * screen,
    149                                               __GLXconfig * modes,
    150                                               __GLXcontext * shareContext);
    151 
    152 #endif                          /* !__GLX_context_h__ */