IABSD.fr/xenocara/xserver/miext/shadow/shadow.h

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• Author : matthieu
  Date : 2006-11-26 18:13:41
  Hash : 889b8606
  Message : Importing xserver from X.Org 7.2RC2

• xserver/miext/shadow/shadow.h

• /*
   *
   * Copyright © 2000 Keith Packard
   *
   * Permission to use, copy, modify, distribute, and sell this software and its
   * documentation for any purpose is hereby granted without fee, provided that
   * the above copyright notice appear in all copies and that both that
   * copyright notice and this permission notice appear in supporting
   * documentation, and that the name of Keith Packard not be used in
   * advertising or publicity pertaining to distribution of the software without
   * specific, written prior permission.  Keith Packard makes no
   * representations about the suitability of this software for any purpose.  It
   * is provided "as is" without express or implied warranty.
   *
   * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
   * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
   * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
   * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
   * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
   * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
   * PERFORMANCE OF THIS SOFTWARE.
   */
  
  #ifndef _SHADOW_H_
  #define _SHADOW_H_
  
  #include "scrnintstr.h"
  
  #ifdef RENDER
  #include "picturestr.h"
  #endif
  
  #include "damage.h"
  #include "damagestr.h"
  typedef struct _shadowBuf   *shadowBufPtr;
  
  typedef void (*ShadowUpdateProc) (ScreenPtr pScreen,
  				  shadowBufPtr pBuf);
  
  #define SHADOW_WINDOW_RELOCATE 1
  #define SHADOW_WINDOW_READ 2
  #define SHADOW_WINDOW_WRITE 4
  
  typedef void *(*ShadowWindowProc) (ScreenPtr	pScreen,
  				   CARD32	row,
  				   CARD32	offset,
  				   int		mode,
  				   CARD32	*size,
  				   void		*closure);
  
  /* BC hack: do not move the damage member.  see shadow.c for explanation. */
  typedef struct _shadowBuf {
      DamagePtr           pDamage;
      ShadowUpdateProc	update;
      ShadowWindowProc	window;
      RegionRec		damage;
      PixmapPtr		pPixmap;
      void		*closure;
      int			randr;
  
      /* screen wrappers */
      GetImageProcPtr     GetImage;
      CloseScreenProcPtr  CloseScreen;
  } shadowBufRec;
  
  /* Match defines from randr extension */
  #define SHADOW_ROTATE_0	    1
  #define SHADOW_ROTATE_90    2
  #define SHADOW_ROTATE_180   4
  #define SHADOW_ROTATE_270   8
  #define SHADOW_ROTATE_ALL   (SHADOW_ROTATE_0|SHADOW_ROTATE_90|\
  			     SHADOW_ROTATE_180|SHADOW_ROTATE_270)
  #define SHADOW_REFLECT_X    16
  #define SHADOW_REFLECT_Y    32
  #define SHADOW_REFLECT_ALL  (SHADOW_REFLECT_X|SHADOW_REFLECT_Y)
  
  extern int shadowScrPrivateIndex;
  
  #define shadowGetBuf(pScr)  ((shadowBufPtr) (pScr)->devPrivates[shadowScrPrivateIndex].ptr)
  #define shadowBuf(pScr)            shadowBufPtr pBuf = shadowGetBuf(pScr)
  #define shadowDamage(pBuf)  DamageRegion(pBuf->pDamage)    
  
  Bool
  shadowSetup (ScreenPtr pScreen);
  
  Bool
  shadowAdd (ScreenPtr	    pScreen,
  	   PixmapPtr	    pPixmap,
  	   ShadowUpdateProc update,
  	   ShadowWindowProc window,
  	   int		    randr,
  	   void		    *closure);
  
  void
  shadowRemove (ScreenPtr pScreen, PixmapPtr pPixmap);
  
  shadowBufPtr
  shadowFindBuf (WindowPtr pWindow);
  
  Bool
  shadowInit (ScreenPtr pScreen, ShadowUpdateProc update, ShadowWindowProc window);
  
  void *
  shadowAlloc (int width, int height, int bpp);
  
  void
  shadowUpdatePacked (ScreenPtr	    pScreen,
  		    shadowBufPtr    pBuf);
  
  void
  shadowUpdatePlanar4 (ScreenPtr	    pScreen,
  		     shadowBufPtr   pBuf);
  
  void
  shadowUpdatePlanar4x8 (ScreenPtr    pScreen,
  		       shadowBufPtr pBuf);
  
  void
  shadowUpdateRotatePacked (ScreenPtr    pScreen,
  			  shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate8_90 (ScreenPtr    pScreen,
  			shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate16_90 (ScreenPtr    pScreen,
  			 shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate16_90YX (ScreenPtr    pScreen,
  			   shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate32_90 (ScreenPtr    pScreen,
  			 shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate8_180 (ScreenPtr    pScreen,
  			 shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate16_180 (ScreenPtr    pScreen,
  			  shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate32_180 (ScreenPtr    pScreen,
  			  shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate8_270 (ScreenPtr    pScreen,
  			 shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate16_270 (ScreenPtr    pScreen,
  			  shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate16_270YX (ScreenPtr    pScreen,
  			    shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate32_270 (ScreenPtr    pScreen,
  			  shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate8 (ScreenPtr    pScreen,
  		     shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate16 (ScreenPtr    pScreen,
  		      shadowBufPtr pBuf);
  
  void
  shadowUpdateRotate32 (ScreenPtr    pScreen,
  		      shadowBufPtr pBuf);
  
  typedef void (* shadowUpdateProc)(ScreenPtr, shadowBufPtr);
  
  shadowUpdateProc shadowUpdatePackedWeak(void);
  shadowUpdateProc shadowUpdatePlanar4Weak(void);
  shadowUpdateProc shadowUpdatePlanar4x8Weak(void);
  shadowUpdateProc shadowUpdateRotatePackedWeak(void);
  
  #endif /* _SHADOW_H_ */