xorg-server-1.4/hw/xfree86/dri/dristruct.h

   1 /**************************************************************************
   2
   3 Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
   4 All Rights Reserved.
   5
   6 Permission is hereby granted, free of charge, to any person obtaining a
   7 copy of this software and associated documentation files (the
   8 "Software"), to deal in the Software without restriction, including
   9 without limitation the rights to use, copy, modify, merge, publish,
  10 distribute, sub license, and/or sell copies of the Software, and to
  11 permit persons to whom the Software is furnished to do so, subject to
  12 the following conditions:
  13
  14 The above copyright notice and this permission notice (including the
  15 next paragraph) shall be included in all copies or substantial portions
  16 of the Software.
  17
  18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21 IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  22 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25
  26 **************************************************************************/
  27
  28 /*
  29  * Authors:
  30  *   Jens Owen <jens@tungstengraphics.com>
  31  *
  32  */
  33
  34 #ifndef DRI_STRUCT_H
  35 #define DRI_STRUCT_H
  36
  37 #include "xf86drm.h"
  38
  39
  40 #define DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin) \
  41     ((DRIWindowPrivIndex < 0) ? \
  42      NULL : \
  43      ((DRIDrawablePrivPtr)((pWin)->devPrivates[DRIWindowPrivIndex].ptr)))
  44
  45 #define DRI_DRAWABLE_PRIV_FROM_PIXMAP(pPix) \
  46     ((DRIPixmapPrivIndex < 0) ? \
  47      NULL : \
  48      ((DRIDrawablePrivPtr)((pPix)->devPrivates[DRIWindowPrivIndex].ptr)))
  49
  50 typedef struct _DRIDrawablePrivRec
  51 {
  52     drm_drawable_t              hwDrawable;
  53     int                 drawableIndex;
  54     ScreenPtr           pScreen;
  55     int                 refCount;
  56     int                 nrects;
  57 } DRIDrawablePrivRec, *DRIDrawablePrivPtr;
  58
  59 struct _DRIContextPrivRec
  60 {
  61     drm_context_t               hwContext;
  62     ScreenPtr           pScreen;
  63     Bool                valid3D;
  64     DRIContextFlags     flags;
  65     void**              pContextStore;
  66 };
  67
  68 #define DRI_SCREEN_PRIV(pScreen) \
  69     ((DRIScreenPrivIndex < 0) ? \
  70      NULL : \
  71      ((DRIScreenPrivPtr)((pScreen)->devPrivates[DRIScreenPrivIndex].ptr)))
  72
  73 #define DRI_SCREEN_PRIV_FROM_INDEX(screenIndex) ((DRIScreenPrivPtr) \
  74     (screenInfo.screens[screenIndex]->devPrivates[DRIScreenPrivIndex].ptr))
  75
  76 #define DRI_ENT_PRIV(pScrn)  \
  77     ((DRIEntPrivIndex < 0) ? \
  78      NULL:                   \
  79      ((DRIEntPrivPtr)(xf86GetEntityPrivate((pScrn)->entityList[0], \
  80                                            DRIEntPrivIndex)->ptr)))
  81
  82 typedef struct _DRIScreenPrivRec
  83 {
  84     Bool                directRenderingSupport;
  85     int                 drmFD;        /* File descriptor for /dev/video/?   */
  86     drm_handle_t        hSAREA;       /* Handle to SAREA, for mapping       */
  87     XF86DRISAREAPtr     pSAREA;       /* Mapped pointer to SAREA            */
  88     drm_context_t          myContext;    /* DDX Driver's context               */
  89     DRIContextPrivPtr   myContextPriv;/* Pointer to server's private area   */
  90     DRIContextPrivPtr   lastPartial3DContext;  /* last one partially saved  */
  91     void**              hiddenContextStore;    /* hidden X context          */
  92     void**              partial3DContextStore; /* parital 3D context        */
  93     DRIInfoPtr          pDriverInfo;
  94     int                 nrWindows;
  95     int                 nrWindowsVisible;
  96     int                 nrWalked;
  97     drm_clip_rect_t  private_buffer_rect; /* management of private buffers */
  98     DrawablePtr         fullscreen; /* pointer to fullscreen drawable */
  99     drm_clip_rect_t  fullscreen_rect; /* fake rect for fullscreen mode */
 100     DRIWrappedFuncsRec  wrap;
 101     DestroyWindowProcPtr DestroyWindow;
 102     DrawablePtr         DRIDrawables[SAREA_MAX_DRAWABLES];
 103     DRIContextPrivPtr   dummyCtxPriv; /* Pointer to dummy context */
 104     Bool                createDummyCtx;
 105     Bool                createDummyCtxPriv;
 106     Bool                grabbedDRILock;
 107     Bool                drmSIGIOHandlerInstalled;
 108     Bool                wrapped;
 109     Bool                windowsTouched;
 110     int                 lockRefCount;
 111     drm_handle_t        hLSAREA;      /* Handle to SAREA containing lock, for mapping */
 112     XF86DRILSAREAPtr    pLSAREA;      /* Mapped pointer to SAREA containing lock */
 113     int*                pLockRefCount;
 114     int*                pLockingContext;
 115 } DRIScreenPrivRec, *DRIScreenPrivPtr;
 116
 117
 118 typedef struct _DRIEntPrivRec {
 119     int drmFD;
 120     Bool drmOpened;
 121     Bool sAreaGrabbed;
 122     drm_handle_t hLSAREA;
 123     XF86DRILSAREAPtr pLSAREA;
 124     unsigned long sAreaSize;
 125     int lockRefCount;
 126     int lockingContext;
 127     ScreenPtr resOwner;
 128     Bool keepFDOpen;
 129     int refCount;
 130 } DRIEntPrivRec, *DRIEntPrivPtr;
 131
 132 #endif /* DRI_STRUCT_H */