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

• /*
   * Copyright © 2004 Eric Anholt
   *
   * 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 Eric Anholt not be used in
   * advertising or publicity pertaining to distribution of the software without
   * specific, written prior permission.  Eric Anholt makes no
   * representations about the suitability of this software for any purpose.  It
   * is provided "as is" without express or implied warranty.
   *
   * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
   * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
   * EVENT SHALL ERIC ANHOLT 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.
   */
  /* $Header: /home/cvs/xenocara/xserver/miext/cw/Attic/cw.h,v 1.1.1.1 2006/11/26 18:15:05 matthieu Exp $ */
  
  #ifdef HAVE_DIX_CONFIG_H
  #include <dix-config.h>
  #endif
  
  #include "gcstruct.h"
  #include "picturestr.h"
  
  /*
   * One of these structures is allocated per GC that gets used with a window with
   * backing pixmap.
   */
  
  typedef struct {
      GCPtr	    pBackingGC;	    /* Copy of the GC but with graphicsExposures
  				     * set FALSE and the clientClip set to
  				     * clip output to the valid regions of the
  				     * backing pixmap. */
      unsigned long   serialNumber;   /* clientClip computed time */
      unsigned long   stateChanges;   /* changes in parent gc since last copy */
      GCOps	    *wrapOps;	    /* wrapped ops */
      GCFuncs	    *wrapFuncs;	    /* wrapped funcs */
  } cwGCRec, *cwGCPtr;
  
  extern int cwGCIndex;
  
  #define getCwGC(pGC)	((cwGCPtr)(pGC)->devPrivates[cwGCIndex].ptr)
  #define setCwGC(pGC,p)	((pGC)->devPrivates[cwGCIndex].ptr = (pointer) (p))
  
  /*
   * One of these structures is allocated per Picture that gets used with a
   * window with a backing pixmap
   */
  
  typedef struct {
      PicturePtr	    pBackingPicture;
      unsigned long   serialNumber;
      unsigned long   stateChanges;
  } cwPictureRec, *cwPicturePtr;
  
  #define getCwPicture(pPicture)	\
      (pPicture->pDrawable ? (cwPicturePtr)(pPicture)->devPrivates[cwPictureIndex].ptr : 0)
  #define setCwPicture(pPicture,p) ((pPicture)->devPrivates[cwPictureIndex].ptr = (pointer) (p))
  
  extern int  cwPictureIndex;
  
  extern int cwWindowIndex;
  
  #define cwWindowPrivate(pWindow)    ((pWindow)->devPrivates[cwWindowIndex].ptr)
  #define getCwPixmap(pWindow)	    ((PixmapPtr) cwWindowPrivate(pWindow))
  #define setCwPixmap(pWindow,pPixmap) (cwWindowPrivate(pWindow) = (pointer) (pPixmap))
  
  #define cwDrawableIsRedirWindow(pDraw)					\
  	((pDraw)->type == DRAWABLE_WINDOW &&				\
  	 getCwPixmap((WindowPtr) (pDraw)) != NULL)
  
  typedef struct {
      /*
       * screen func wrappers
       */
      CloseScreenProcPtr		CloseScreen;
      GetImageProcPtr		GetImage;
      GetSpansProcPtr		GetSpans;
      CreateGCProcPtr		CreateGC;
  
      PaintWindowBackgroundProcPtr PaintWindowBackground;
      PaintWindowBorderProcPtr	PaintWindowBorder;
      CopyWindowProcPtr		CopyWindow;
  
      GetWindowPixmapProcPtr	GetWindowPixmap;
      SetWindowPixmapProcPtr	SetWindowPixmap;
      
  #ifdef RENDER
      DestroyPictureProcPtr	DestroyPicture;
      ChangePictureClipProcPtr	ChangePictureClip;
      DestroyPictureClipProcPtr	DestroyPictureClip;
      
      ChangePictureProcPtr	ChangePicture;
      ValidatePictureProcPtr	ValidatePicture;
  
      CompositeProcPtr		Composite;
      GlyphsProcPtr		Glyphs;
      CompositeRectsProcPtr	CompositeRects;
  
      TrapezoidsProcPtr		Trapezoids;
      TrianglesProcPtr		Triangles;
      TriStripProcPtr		TriStrip;
      TriFanProcPtr		TriFan;
  
      RasterizeTrapezoidProcPtr	RasterizeTrapezoid;
  #endif
  } cwScreenRec, *cwScreenPtr;
  
  extern int cwScreenIndex;
  
  #define getCwScreen(pScreen)	((cwScreenPtr)(pScreen)->devPrivates[cwScreenIndex].ptr)
  #define setCwScreen(pScreen,p)	((cwScreenPtr)(pScreen)->devPrivates[cwScreenIndex].ptr = (p))
  
  #define CW_OFFSET_XYPOINTS(ppt, npt) do { \
      DDXPointPtr _ppt = (DDXPointPtr)(ppt); \
      int _i; \
      for (_i = 0; _i < npt; _i++) { \
  	_ppt[_i].x += dst_off_x; \
  	_ppt[_i].y += dst_off_y; \
      } \
  } while (0)
  
  #define CW_OFFSET_RECTS(prect, nrect) do { \
      int _i; \
      for (_i = 0; _i < nrect; _i++) { \
  	(prect)[_i].x += dst_off_x; \
  	(prect)[_i].y += dst_off_y; \
      } \
  } while (0)
  
  #define CW_OFFSET_ARCS(parc, narc) do { \
      int _i; \
      for (_i = 0; _i < narc; _i++) { \
  	(parc)[_i].x += dst_off_x; \
  	(parc)[_i].y += dst_off_y; \
      } \
  } while (0)
  
  #define CW_OFFSET_XY_DST(x, y) do { \
      (x) = (x) + dst_off_x; \
      (y) = (y) + dst_off_y; \
  } while (0)
  
  #define CW_OFFSET_XY_SRC(x, y) do { \
      (x) = (x) + src_off_x; \
      (y) = (y) + src_off_y; \
  } while (0)
  
  /* cw.c */
  DrawablePtr
  cwGetBackingDrawable(DrawablePtr pDrawable, int *x_off, int *y_off);
  
  /* cw_render.c */
  
  void
  cwInitializeRender (ScreenPtr pScreen);
  
  void
  cwFiniRender (ScreenPtr pScreen);
  
  /* cw.c */
  
  void
  miInitializeCompositeWrapper(ScreenPtr pScreen);
  
  /* Must be called before miInitializeCompositeWrapper */
  void
  miDisableCompositeWrapper(ScreenPtr pScreen);