reactos/dll/3rdparty/mesa32/include/GL/internal/sarea.h

   1 /* $XFree86: xc/programs/Xserver/GL/dri/sarea.h,v 1.11 2002/10/30 12:52:03 alanh Exp $ */
   2 /**
   3  * \file sarea.h
   4  * SAREA definitions.
   5  *
   6  * \author Kevin E. Martin <kevin@precisioninsight.com>
   7  * \author Jens Owen <jens@tungstengraphics.com>
   8  * \author Rickard E. (Rik) Faith <faith@valinux.com>
   9  */
  10
  11 /*
  12  * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
  13  * Copyright 2000 VA Linux Systems, Inc.
  14  * All Rights Reserved.
  15  *
  16  * Permission is hereby granted, free of charge, to any person obtaining a
  17  * copy of this software and associated documentation files (the
  18  * "Software"), to deal in the Software without restriction, including
  19  * without limitation the rights to use, copy, modify, merge, publish,
  20  * distribute, sub license, and/or sell copies of the Software, and to
  21  * permit persons to whom the Software is furnished to do so, subject to
  22  * the following conditions:
  23  *
  24  * The above copyright notice and this permission notice (including the
  25  * next paragraph) shall be included in all copies or substantial portions
  26  * of the Software.
  27  *
  28  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  29  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  30  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  31  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  32  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  33  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  34  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  35  */
  36
  37 /* $XFree86: xc/programs/Xserver/GL/dri/sarea.h,v 1.11 2002/10/30 12:52:03 alanh Exp $ */
  38
  39 #ifndef _SAREA_H_
  40 #define _SAREA_H_
  41
  42 #include "xf86drm.h"
  43
  44 /* SAREA area needs to be at least a page */
  45 #if defined(__alpha__)
  46 #define SAREA_MAX                       0x2000
  47 #elif defined(__ia64__)
  48 #define SAREA_MAX                       0x10000         /* 64kB */
  49 #else
  50 /* Intel 830M driver needs at least 8k SAREA */
  51 #define SAREA_MAX                       0x2000
  52 #endif
  53
  54 #define SAREA_MAX_DRAWABLES             256
  55
  56 #define SAREA_DRAWABLE_CLAIMED_ENTRY    0x80000000
  57
  58 /**
  59  * SAREA per drawable information.
  60  *
  61  * \sa _XF86DRISAREA.
  62  */
  63 typedef struct _XF86DRISAREADrawable {
  64     unsigned int        stamp;
  65     unsigned int        flags;
  66 } XF86DRISAREADrawableRec, *XF86DRISAREADrawablePtr;
  67
  68 /**
  69  * SAREA frame information.
  70  *
  71  * \sa  _XF86DRISAREA.
  72  */
  73 typedef struct _XF86DRISAREAFrame {
  74     unsigned int        x;
  75     unsigned int        y;
  76     unsigned int        width;
  77     unsigned int        height;
  78     unsigned int        fullscreen;
  79 } XF86DRISAREAFrameRec, *XF86DRISAREAFramePtr;
  80
  81 /**
  82  * SAREA definition.
  83  */
  84 typedef struct _XF86DRISAREA {
  85     /** first thing is always the DRM locking structure */
  86     drmLock                     lock;
  87     /** \todo Use readers/writer lock for drawable_lock */
  88     drmLock                     drawable_lock;
  89     XF86DRISAREADrawableRec     drawableTable[SAREA_MAX_DRAWABLES];
  90     XF86DRISAREAFrameRec        frame;
  91     drm_context_t                       dummy_context;
  92 } XF86DRISAREARec, *XF86DRISAREAPtr;
  93
  94 #endif