1039 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			1039 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * misprite.c
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 *
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 * machine independent software sprite routines
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 */
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/*
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Copyright 1989, 1998  The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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						|
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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# include   <X11/X.h>
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# include   <X11/Xproto.h>
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# include   "misc.h"
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# include   "pixmapstr.h"
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# include   "input.h"
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# include   "mi.h"
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# include   "cursorstr.h"
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# include   <X11/fonts/font.h>
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# include   "scrnintstr.h"
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# include   "colormapst.h"
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# include   "windowstr.h"
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# include   "gcstruct.h"
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# include   "mipointer.h"
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# include   "mispritest.h"
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# include   "dixfontstr.h"
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# include   <X11/fonts/fontstruct.h>
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# include   "inputstr.h"
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#ifdef RENDER
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# include   "mipict.h"
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#endif
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# include   "damage.h"
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#define SPRITE_DEBUG_ENABLE 0
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#if SPRITE_DEBUG_ENABLE
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#define SPRITE_DEBUG(x)	ErrorF x
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#else
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#define SPRITE_DEBUG(x)
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#endif
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#define MISPRITE(dev) \
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    ((DevHasCursor(dev)) ? \
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       (miCursorInfoPtr)dixLookupPrivate(&dev->devPrivates, miSpriteDevPrivatesKey) : \
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       (miCursorInfoPtr)dixLookupPrivate(&dev->u.master->devPrivates, miSpriteDevPrivatesKey))
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/*
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 * screen wrappers
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 */
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static DevPrivateKey miSpriteScreenKey = &miSpriteScreenKey;
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static DevPrivateKey miSpriteDevPrivatesKey = &miSpriteDevPrivatesKey;
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static Bool	    miSpriteCloseScreen(int i, ScreenPtr pScreen);
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static void	    miSpriteGetImage(DrawablePtr pDrawable, int sx, int sy,
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				     int w, int h, unsigned int format,
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				     unsigned long planemask, char *pdstLine);
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static void	    miSpriteGetSpans(DrawablePtr pDrawable, int wMax,
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				     DDXPointPtr ppt, int *pwidth, int nspans,
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				     char *pdstStart);
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static void	    miSpriteSourceValidate(DrawablePtr pDrawable, int x, int y,
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					   int width, int height);
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static void	    miSpriteCopyWindow (WindowPtr pWindow,
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					DDXPointRec ptOldOrg,
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					RegionPtr prgnSrc);
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static void	    miSpriteBlockHandler(int i, pointer blockData,
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					 pointer pTimeout,
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					 pointer pReadMask);
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static void	    miSpriteInstallColormap(ColormapPtr pMap);
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static void	    miSpriteStoreColors(ColormapPtr pMap, int ndef,
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					xColorItem *pdef);
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static void	    miSpriteComputeSaved(DeviceIntPtr pDev,
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                                         ScreenPtr pScreen);
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static Bool         miSpriteDeviceCursorInitialize(DeviceIntPtr pDev,
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                                                   ScreenPtr pScreen);
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static void         miSpriteDeviceCursorCleanup(DeviceIntPtr pDev,
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                                                ScreenPtr pScreen);
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#define SCREEN_PROLOGUE(pScreen, field) ((pScreen)->field = \
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   ((miSpriteScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, \
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					miSpriteScreenKey))->field)
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#define SCREEN_EPILOGUE(pScreen, field)\
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    ((pScreen)->field = miSprite##field)
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/*
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 * pointer-sprite method table
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 */
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static Bool miSpriteRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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                                  CursorPtr pCursor);
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static Bool miSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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                                    CursorPtr pCursor);
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static void miSpriteSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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                              CursorPtr pCursor, int x, int y);
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static void miSpriteMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen,
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                               int x, int y);
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_X_EXPORT miPointerSpriteFuncRec miSpritePointerFuncs = {
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    miSpriteRealizeCursor,
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    miSpriteUnrealizeCursor,
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    miSpriteSetCursor,
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    miSpriteMoveCursor,
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    miSpriteDeviceCursorInitialize,
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    miSpriteDeviceCursorCleanup,
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};
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/*
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 * other misc functions
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 */
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static void miSpriteRemoveCursor(DeviceIntPtr pDev,
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                                 ScreenPtr pScreen);
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static void miSpriteSaveUnderCursor(DeviceIntPtr pDev,
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                                 ScreenPtr pScreen);
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static void miSpriteRestoreCursor(DeviceIntPtr pDev,
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                                 ScreenPtr pScreen);
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static void
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miSpriteReportDamage (DamagePtr pDamage, RegionPtr pRegion, void *closure)
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{
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    ScreenPtr		    pScreen = closure;
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    miSpriteScreenPtr	    pScreenPriv;
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    miCursorInfoPtr         pCursorInfo;
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    DeviceIntPtr            pDev;
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    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
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						      miSpriteScreenKey);
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    for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
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    {
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        if (DevHasCursor(pDev))
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        {
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            pCursorInfo = MISPRITE(pDev);
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            if (pCursorInfo->isUp &&
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                pCursorInfo->pScreen == pScreen &&
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                RECT_IN_REGION (pScreen, pRegion, &pCursorInfo->saved)
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                         != rgnOUT)
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            {
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                SPRITE_DEBUG(("Damage remove\n"));
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                miSpriteRemoveCursor (pDev, pScreen);
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            }
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        }
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    }
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}
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/*
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 * miSpriteInitialize -- called from device-dependent screen
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 * initialization proc after all of the function pointers have
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 * been stored in the screen structure.
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 */
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Bool
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miSpriteInitialize (ScreenPtr               pScreen,
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                    miSpriteCursorFuncPtr   cursorFuncs,
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                    miPointerScreenFuncPtr  screenFuncs)
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{
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    miSpriteScreenPtr	pScreenPriv;
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    VisualPtr		pVisual;
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    if (!DamageSetup (pScreen))
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	return FALSE;
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    pScreenPriv = (miSpriteScreenPtr) xalloc (sizeof (miSpriteScreenRec));
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    if (!pScreenPriv)
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	return FALSE;
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    pScreenPriv->pDamage = DamageCreate (miSpriteReportDamage,
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					 (DamageDestroyFunc) 0,
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					 DamageReportRawRegion,
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					 TRUE,
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					 pScreen,
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					 (void *) pScreen);
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    if (!miPointerInitialize (pScreen, &miSpritePointerFuncs, screenFuncs,TRUE))
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    {
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	xfree ((pointer) pScreenPriv);
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	return FALSE;
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    }
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    for (pVisual = pScreen->visuals;
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	 pVisual->vid != pScreen->rootVisual;
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	 pVisual++)
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	;
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    pScreenPriv->pVisual = pVisual;
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    pScreenPriv->CloseScreen = pScreen->CloseScreen;
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    pScreenPriv->GetImage = pScreen->GetImage;
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    pScreenPriv->GetSpans = pScreen->GetSpans;
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    pScreenPriv->SourceValidate = pScreen->SourceValidate;
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    pScreenPriv->CopyWindow = pScreen->CopyWindow;
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    pScreenPriv->InstallColormap = pScreen->InstallColormap;
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    pScreenPriv->StoreColors = pScreen->StoreColors;
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    pScreenPriv->BlockHandler = pScreen->BlockHandler;
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    pScreenPriv->DeviceCursorInitialize = pScreen->DeviceCursorInitialize;
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    pScreenPriv->DeviceCursorCleanup = pScreen->DeviceCursorCleanup;
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    pScreenPriv->pInstalledMap = NULL;
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    pScreenPriv->pColormap = NULL;
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    pScreenPriv->funcs = cursorFuncs;
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    pScreenPriv->colors[SOURCE_COLOR].red = 0;
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    pScreenPriv->colors[SOURCE_COLOR].green = 0;
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    pScreenPriv->colors[SOURCE_COLOR].blue = 0;
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    pScreenPriv->colors[MASK_COLOR].red = 0;
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    pScreenPriv->colors[MASK_COLOR].green = 0;
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    pScreenPriv->colors[MASK_COLOR].blue = 0;
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    dixSetPrivate(&pScreen->devPrivates, miSpriteScreenKey, pScreenPriv);
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    pScreen->CloseScreen = miSpriteCloseScreen;
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    pScreen->GetImage = miSpriteGetImage;
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    pScreen->GetSpans = miSpriteGetSpans;
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    pScreen->SourceValidate = miSpriteSourceValidate;
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    pScreen->CopyWindow = miSpriteCopyWindow;
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    pScreen->InstallColormap = miSpriteInstallColormap;
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    pScreen->StoreColors = miSpriteStoreColors;
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    pScreen->BlockHandler = miSpriteBlockHandler;
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    damageRegister = 0;
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    return TRUE;
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}
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/*
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 * Screen wrappers
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 */
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/*
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 * CloseScreen wrapper -- unwrap everything, free the private data
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 * and call the wrapped function
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 */
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static Bool
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miSpriteCloseScreen (int i, ScreenPtr pScreen)
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{
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    miSpriteScreenPtr   pScreenPriv;
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    DeviceIntPtr        pDev;
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    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
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						      miSpriteScreenKey);
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    pScreen->CloseScreen = pScreenPriv->CloseScreen;
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    pScreen->GetImage = pScreenPriv->GetImage;
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    pScreen->GetSpans = pScreenPriv->GetSpans;
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    pScreen->SourceValidate = pScreenPriv->SourceValidate;
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    pScreen->BlockHandler = pScreenPriv->BlockHandler;
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    pScreen->InstallColormap = pScreenPriv->InstallColormap;
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    pScreen->StoreColors = pScreenPriv->StoreColors;
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    DamageDestroy (pScreenPriv->pDamage);
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    xfree ((pointer) pScreenPriv);
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    return (*pScreen->CloseScreen) (i, pScreen);
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}
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static void
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miSpriteGetImage (DrawablePtr pDrawable, int sx, int sy, int w, int h,
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                  unsigned int format, unsigned long planemask,
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                  char *pdstLine)
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{
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    ScreenPtr	    pScreen = pDrawable->pScreen;
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    miSpriteScreenPtr    pScreenPriv;
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    DeviceIntPtr    pDev = inputInfo.pointer;
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    miCursorInfoPtr pCursorInfo;
 | 
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 | 
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    SCREEN_PROLOGUE (pScreen, GetImage);
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    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
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						      miSpriteScreenKey);
 | 
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    for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
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    {
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        if (DevHasCursor(pDev))
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        {
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             pCursorInfo = MISPRITE(pDev);
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             if (pDrawable->type == DRAWABLE_WINDOW &&
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                     pCursorInfo->isUp &&
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                     pCursorInfo->pScreen == pScreen &&
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                     ORG_OVERLAP(&pCursorInfo->saved,pDrawable->x,pDrawable->y,
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                         sx, sy, w, h))
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             {
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                 SPRITE_DEBUG (("GetImage remove\n"));
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                 miSpriteRemoveCursor (pDev, pScreen);
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             }
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        }
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    }
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    (*pScreen->GetImage) (pDrawable, sx, sy, w, h,
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			  format, planemask, pdstLine);
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    SCREEN_EPILOGUE (pScreen, GetImage);
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}
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 | 
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static void
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miSpriteGetSpans (DrawablePtr pDrawable, int wMax, DDXPointPtr ppt,
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                  int *pwidth, int nspans, char *pdstStart)
 | 
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{
 | 
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    ScreenPtr		    pScreen = pDrawable->pScreen;
 | 
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    miSpriteScreenPtr	    pScreenPriv;
 | 
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    DeviceIntPtr            pDev = inputInfo.pointer;
 | 
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    miCursorInfoPtr         pCursorInfo;
 | 
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 | 
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    SCREEN_PROLOGUE (pScreen, GetSpans);
 | 
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 | 
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    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
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						      miSpriteScreenKey);
 | 
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 | 
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    for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
 | 
						|
    {
 | 
						|
        if (DevHasCursor(pDev))
 | 
						|
        {
 | 
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            pCursorInfo = MISPRITE(pDev);
 | 
						|
 | 
						|
            if (pDrawable->type == DRAWABLE_WINDOW &&
 | 
						|
                    pCursorInfo->isUp &&
 | 
						|
                    pCursorInfo->pScreen == pScreen)
 | 
						|
            {
 | 
						|
                DDXPointPtr    pts;
 | 
						|
                int    	       *widths;
 | 
						|
                int    	       nPts;
 | 
						|
                int    	       xorg,
 | 
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                               yorg;
 | 
						|
 | 
						|
                xorg = pDrawable->x;
 | 
						|
                yorg = pDrawable->y;
 | 
						|
 | 
						|
                for (pts = ppt, widths = pwidth, nPts = nspans;
 | 
						|
                        nPts--;
 | 
						|
                        pts++, widths++)
 | 
						|
                {
 | 
						|
                    if (SPN_OVERLAP(&pCursorInfo->saved,pts->y+yorg,
 | 
						|
                                pts->x+xorg,*widths))
 | 
						|
                    {
 | 
						|
                        SPRITE_DEBUG (("GetSpans remove\n"));
 | 
						|
                        miSpriteRemoveCursor (pDev, pScreen);
 | 
						|
                        break;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    (*pScreen->GetSpans) (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
 | 
						|
 | 
						|
    SCREEN_EPILOGUE (pScreen, GetSpans);
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteSourceValidate (DrawablePtr pDrawable, int x, int y, int width,
 | 
						|
                        int height)
 | 
						|
{
 | 
						|
    ScreenPtr		    pScreen = pDrawable->pScreen;
 | 
						|
    miSpriteScreenPtr	    pScreenPriv;
 | 
						|
    DeviceIntPtr            pDev = inputInfo.pointer;
 | 
						|
    miCursorInfoPtr         pCursorInfo;
 | 
						|
 | 
						|
    SCREEN_PROLOGUE (pScreen, SourceValidate);
 | 
						|
 | 
						|
    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						      miSpriteScreenKey);
 | 
						|
 | 
						|
    for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
 | 
						|
    {
 | 
						|
        if (DevHasCursor(pDev))
 | 
						|
        {
 | 
						|
            pCursorInfo = MISPRITE(pDev);
 | 
						|
            if (pDrawable->type == DRAWABLE_WINDOW && pCursorInfo->isUp &&
 | 
						|
                    pCursorInfo->pScreen == pScreen &&
 | 
						|
                    ORG_OVERLAP(&pCursorInfo->saved, pDrawable->x, pDrawable->y,
 | 
						|
                        x, y, width, height))
 | 
						|
            {
 | 
						|
                SPRITE_DEBUG (("SourceValidate remove\n"));
 | 
						|
                miSpriteRemoveCursor (pDev, pScreen);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    if (pScreen->SourceValidate)
 | 
						|
	(*pScreen->SourceValidate) (pDrawable, x, y, width, height);
 | 
						|
 | 
						|
    SCREEN_EPILOGUE (pScreen, SourceValidate);
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteCopyWindow (WindowPtr pWindow, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
 | 
						|
{
 | 
						|
    ScreenPtr	pScreen = pWindow->drawable.pScreen;
 | 
						|
    miSpriteScreenPtr	    pScreenPriv;
 | 
						|
    DeviceIntPtr            pDev = inputInfo.pointer;
 | 
						|
    miCursorInfoPtr         pCursorInfo;
 | 
						|
 | 
						|
    SCREEN_PROLOGUE (pScreen, CopyWindow);
 | 
						|
 | 
						|
    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						      miSpriteScreenKey);
 | 
						|
 | 
						|
    for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
 | 
						|
    {
 | 
						|
        if (DevHasCursor(pDev))
 | 
						|
        {
 | 
						|
            pCursorInfo = MISPRITE(pDev);
 | 
						|
            /*
 | 
						|
             * Damage will take care of destination check
 | 
						|
             */
 | 
						|
            if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen &&
 | 
						|
                    RECT_IN_REGION (pScreen, prgnSrc, &pCursorInfo->saved) != rgnOUT)
 | 
						|
            {
 | 
						|
                SPRITE_DEBUG (("CopyWindow remove\n"));
 | 
						|
                miSpriteRemoveCursor (pDev, pScreen);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    (*pScreen->CopyWindow) (pWindow, ptOldOrg, prgnSrc);
 | 
						|
    SCREEN_EPILOGUE (pScreen, CopyWindow);
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteBlockHandler (int i, pointer blockData, pointer pTimeout,
 | 
						|
                      pointer pReadmask)
 | 
						|
{
 | 
						|
    ScreenPtr		pScreen = screenInfo.screens[i];
 | 
						|
    miSpriteScreenPtr	pPriv;
 | 
						|
    DeviceIntPtr            pDev = inputInfo.pointer;
 | 
						|
    miCursorInfoPtr         pCursorInfo;
 | 
						|
 | 
						|
    pPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						miSpriteScreenKey);
 | 
						|
    SCREEN_PROLOGUE(pScreen, BlockHandler);
 | 
						|
 | 
						|
    (*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask);
 | 
						|
 | 
						|
    SCREEN_EPILOGUE(pScreen, BlockHandler);
 | 
						|
 | 
						|
    for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
 | 
						|
    {
 | 
						|
        if (DevHasCursor(pDev))
 | 
						|
        {
 | 
						|
            pCursorInfo = MISPRITE(pDev);
 | 
						|
            if (pCursorInfo && !pCursorInfo->isUp
 | 
						|
                    && pCursorInfo->pScreen == pScreen
 | 
						|
                    && pCursorInfo->shouldBeUp)
 | 
						|
            {
 | 
						|
                SPRITE_DEBUG (("BlockHandler restore\n"));
 | 
						|
                miSpriteSaveUnderCursor (pDev, pScreen);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
    for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
 | 
						|
    {
 | 
						|
        if (DevHasCursor(pDev))
 | 
						|
        {
 | 
						|
            pCursorInfo = MISPRITE(pDev);
 | 
						|
            if (pCursorInfo && !pCursorInfo->isUp &&
 | 
						|
                    pCursorInfo->pScreen == pScreen &&
 | 
						|
                    pCursorInfo->shouldBeUp)
 | 
						|
            {
 | 
						|
                SPRITE_DEBUG (("BlockHandler restore\n"));
 | 
						|
                miSpriteRestoreCursor (pDev, pScreen);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteInstallColormap (ColormapPtr pMap)
 | 
						|
{
 | 
						|
    ScreenPtr		pScreen = pMap->pScreen;
 | 
						|
    miSpriteScreenPtr	pPriv;
 | 
						|
 | 
						|
    pPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						miSpriteScreenKey);
 | 
						|
    SCREEN_PROLOGUE(pScreen, InstallColormap);
 | 
						|
 | 
						|
    (*pScreen->InstallColormap) (pMap);
 | 
						|
 | 
						|
    SCREEN_EPILOGUE(pScreen, InstallColormap);
 | 
						|
 | 
						|
    /* InstallColormap can be called before devices are initialized. */
 | 
						|
    pPriv->pInstalledMap = pMap;
 | 
						|
    if (pPriv->pColormap != pMap)
 | 
						|
    {
 | 
						|
        DeviceIntPtr pDev;
 | 
						|
        miCursorInfoPtr     pCursorInfo;
 | 
						|
        for (pDev = inputInfo.devices; pDev; pDev = pDev->next)
 | 
						|
        {
 | 
						|
            if (DevHasCursor(pDev))
 | 
						|
            {
 | 
						|
                pCursorInfo = MISPRITE(pDev);
 | 
						|
                pCursorInfo->checkPixels = TRUE;
 | 
						|
                if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
 | 
						|
                    miSpriteRemoveCursor(pDev, pScreen);
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef)
 | 
						|
{
 | 
						|
    ScreenPtr		pScreen = pMap->pScreen;
 | 
						|
    miSpriteScreenPtr	pPriv;
 | 
						|
    int			i;
 | 
						|
    int			updated;
 | 
						|
    VisualPtr		pVisual;
 | 
						|
    DeviceIntPtr        pDev = inputInfo.pointer;
 | 
						|
    miCursorInfoPtr     pCursorInfo;
 | 
						|
 | 
						|
    pPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						miSpriteScreenKey);
 | 
						|
    SCREEN_PROLOGUE(pScreen, StoreColors);
 | 
						|
 | 
						|
    (*pScreen->StoreColors) (pMap, ndef, pdef);
 | 
						|
 | 
						|
    SCREEN_EPILOGUE(pScreen, StoreColors);
 | 
						|
 | 
						|
    if (pPriv->pColormap == pMap)
 | 
						|
    {
 | 
						|
        updated = 0;
 | 
						|
        pVisual = pMap->pVisual;
 | 
						|
        if (pVisual->class == DirectColor)
 | 
						|
        {
 | 
						|
            /* Direct color - match on any of the subfields */
 | 
						|
 | 
						|
#define MaskMatch(a,b,mask) (((a) & (pVisual->mask)) == ((b) & (pVisual->mask)))
 | 
						|
 | 
						|
#define UpdateDAC(dev, plane,dac,mask) {\
 | 
						|
    if (MaskMatch (dev->colors[plane].pixel,pdef[i].pixel,mask)) {\
 | 
						|
	dev->colors[plane].dac = pdef[i].dac; \
 | 
						|
	updated = 1; \
 | 
						|
    } \
 | 
						|
}
 | 
						|
 | 
						|
#define CheckDirect(dev, plane) \
 | 
						|
	    UpdateDAC(dev, plane,red,redMask) \
 | 
						|
	    UpdateDAC(dev, plane,green,greenMask) \
 | 
						|
	    UpdateDAC(dev, plane,blue,blueMask)
 | 
						|
 | 
						|
            for (i = 0; i < ndef; i++)
 | 
						|
            {
 | 
						|
                CheckDirect (pPriv, SOURCE_COLOR)
 | 
						|
                CheckDirect (pPriv, MASK_COLOR)
 | 
						|
            }
 | 
						|
        }
 | 
						|
        else
 | 
						|
        {
 | 
						|
            /* PseudoColor/GrayScale - match on exact pixel */
 | 
						|
            for (i = 0; i < ndef; i++)
 | 
						|
            {
 | 
						|
                if (pdef[i].pixel ==
 | 
						|
                        pPriv->colors[SOURCE_COLOR].pixel)
 | 
						|
                {
 | 
						|
                    pPriv->colors[SOURCE_COLOR] = pdef[i];
 | 
						|
                    if (++updated == 2)
 | 
						|
                        break;
 | 
						|
                }
 | 
						|
                if (pdef[i].pixel ==
 | 
						|
                        pPriv->colors[MASK_COLOR].pixel)
 | 
						|
                {
 | 
						|
                    pPriv->colors[MASK_COLOR] = pdef[i];
 | 
						|
                    if (++updated == 2)
 | 
						|
                        break;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
        if (updated)
 | 
						|
        {
 | 
						|
            for(pDev = inputInfo.devices; pDev; pDev = pDev->next)
 | 
						|
            {
 | 
						|
                if (DevHasCursor(pDev))
 | 
						|
                {
 | 
						|
                    pCursorInfo = MISPRITE(pDev);
 | 
						|
                    pCursorInfo->checkPixels = TRUE;
 | 
						|
                    if (pCursorInfo->isUp && pCursorInfo->pScreen == pScreen)
 | 
						|
                        miSpriteRemoveCursor (pDev, pScreen);
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteFindColors (miCursorInfoPtr pDevCursor, ScreenPtr pScreen)
 | 
						|
{
 | 
						|
    miSpriteScreenPtr   pScreenPriv = (miSpriteScreenPtr)
 | 
						|
	dixLookupPrivate(&pScreen->devPrivates, miSpriteScreenKey);
 | 
						|
    CursorPtr		pCursor;
 | 
						|
    xColorItem		*sourceColor, *maskColor;
 | 
						|
 | 
						|
    pCursor = pDevCursor->pCursor;
 | 
						|
    sourceColor = &pScreenPriv->colors[SOURCE_COLOR];
 | 
						|
    maskColor = &pScreenPriv->colors[MASK_COLOR];
 | 
						|
    if (pScreenPriv->pColormap != pScreenPriv->pInstalledMap ||
 | 
						|
	!(pCursor->foreRed == sourceColor->red &&
 | 
						|
	  pCursor->foreGreen == sourceColor->green &&
 | 
						|
          pCursor->foreBlue == sourceColor->blue &&
 | 
						|
	  pCursor->backRed == maskColor->red &&
 | 
						|
	  pCursor->backGreen == maskColor->green &&
 | 
						|
	  pCursor->backBlue == maskColor->blue))
 | 
						|
    {
 | 
						|
	pScreenPriv->pColormap = pScreenPriv->pInstalledMap;
 | 
						|
	sourceColor->red = pCursor->foreRed;
 | 
						|
	sourceColor->green = pCursor->foreGreen;
 | 
						|
	sourceColor->blue = pCursor->foreBlue;
 | 
						|
	FakeAllocColor (pScreenPriv->pColormap, sourceColor);
 | 
						|
	maskColor->red = pCursor->backRed;
 | 
						|
	maskColor->green = pCursor->backGreen;
 | 
						|
	maskColor->blue = pCursor->backBlue;
 | 
						|
	FakeAllocColor (pScreenPriv->pColormap, maskColor);
 | 
						|
	/* "free" the pixels right away, don't let this confuse you */
 | 
						|
	FakeFreeColor(pScreenPriv->pColormap, sourceColor->pixel);
 | 
						|
	FakeFreeColor(pScreenPriv->pColormap, maskColor->pixel);
 | 
						|
    }
 | 
						|
 | 
						|
    pDevCursor->checkPixels = FALSE;
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
 * miPointer interface routines
 | 
						|
 */
 | 
						|
 | 
						|
#define SPRITE_PAD  8
 | 
						|
 | 
						|
static Bool
 | 
						|
miSpriteRealizeCursor (DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
 | 
						|
{
 | 
						|
    miSpriteScreenPtr	pScreenPriv;
 | 
						|
    miCursorInfoPtr pCursorInfo;
 | 
						|
 | 
						|
    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						      miSpriteScreenKey);
 | 
						|
    if (!pDev->isMaster && !pDev->u.master)
 | 
						|
    {
 | 
						|
        ErrorF("[mi] miSpriteRealizeCursor called for floating device.\n");
 | 
						|
        return FALSE;
 | 
						|
    }
 | 
						|
    pCursorInfo = MISPRITE(pDev);
 | 
						|
 | 
						|
    if (pCursor == pCursorInfo->pCursor)
 | 
						|
	pCursorInfo->checkPixels = TRUE;
 | 
						|
 | 
						|
    return (*pScreenPriv->funcs->RealizeCursor) (pScreen, pCursor);
 | 
						|
}
 | 
						|
 | 
						|
static Bool
 | 
						|
miSpriteUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
 | 
						|
{
 | 
						|
    miSpriteScreenPtr	pScreenPriv;
 | 
						|
 | 
						|
    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						      miSpriteScreenKey);
 | 
						|
    return (*pScreenPriv->funcs->UnrealizeCursor) (pScreen, pCursor);
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteSetCursor (DeviceIntPtr pDev, ScreenPtr pScreen,
 | 
						|
                   CursorPtr pCursor, int x, int y)
 | 
						|
{
 | 
						|
    miSpriteScreenPtr	pScreenPriv;
 | 
						|
 | 
						|
    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						      miSpriteScreenKey);
 | 
						|
    miCursorInfoPtr pPointer;
 | 
						|
 | 
						|
    if (!pDev->isMaster && !pDev->u.master)
 | 
						|
    {
 | 
						|
        ErrorF("[mi] miSpriteSetCursor called for floating device.\n");
 | 
						|
        return;
 | 
						|
    }
 | 
						|
    pPointer = MISPRITE(pDev);
 | 
						|
 | 
						|
    if (!pCursor)
 | 
						|
    {
 | 
						|
    	pPointer->shouldBeUp = FALSE;
 | 
						|
    	if (pPointer->isUp)
 | 
						|
	    miSpriteRemoveCursor (pDev, pScreen);
 | 
						|
	pPointer->pCursor = 0;
 | 
						|
	return;
 | 
						|
    }
 | 
						|
    pPointer->shouldBeUp = TRUE;
 | 
						|
    if (pPointer->x == x &&
 | 
						|
	pPointer->y == y &&
 | 
						|
	pPointer->pCursor == pCursor &&
 | 
						|
	!pPointer->checkPixels)
 | 
						|
    {
 | 
						|
	return;
 | 
						|
    }
 | 
						|
    pPointer->x = x;
 | 
						|
    pPointer->y = y;
 | 
						|
    pPointer->pCacheWin = NullWindow;
 | 
						|
    if (pPointer->checkPixels || pPointer->pCursor != pCursor)
 | 
						|
    {
 | 
						|
	pPointer->pCursor = pCursor;
 | 
						|
	miSpriteFindColors (pPointer, pScreen);
 | 
						|
    }
 | 
						|
    if (pPointer->isUp) {
 | 
						|
#if 0
 | 
						|
        /* FIXME: Disabled for MPX, should be rewritten */
 | 
						|
	int	sx, sy;
 | 
						|
	/*
 | 
						|
	 * check to see if the old saved region
 | 
						|
	 * encloses the new sprite, in which case we use
 | 
						|
	 * the flicker-free MoveCursor primitive.
 | 
						|
	 */
 | 
						|
	sx = pointer->x - (int)pCursor->bits->xhot;
 | 
						|
	sy = pointer->y - (int)pCursor->bits->yhot;
 | 
						|
	if (sx + (int) pCursor->bits->width >= pointer->saved.x1 &&
 | 
						|
	    sx < pointer->saved.x2 &&
 | 
						|
	    sy + (int) pCursor->bits->height >= pointer->saved.y1 &&
 | 
						|
	    sy < pointer->saved.y2 &&
 | 
						|
	    (int) pCursor->bits->width + (2 * SPRITE_PAD) ==
 | 
						|
		pointer->saved.x2 - pointer->saved.x1 &&
 | 
						|
	    (int) pCursor->bits->height + (2 * SPRITE_PAD) ==
 | 
						|
		pointer->saved.y2 - pointer->saved.y1
 | 
						|
	    )
 | 
						|
	{
 | 
						|
	    DamageDrawInternal (pScreen, TRUE);
 | 
						|
	    miSpriteIsUpFALSE (pScreen, pScreenPriv);
 | 
						|
	    if (!(sx >= pointer->saved.x1 &&
 | 
						|
                  sx + (int)pCursor->bits->width < pointer->saved.x2
 | 
						|
                  && sy >= pointer->saved.y1 &&
 | 
						|
                  sy + (int)pCursor->bits->height <
 | 
						|
                                pointer->saved.y2))
 | 
						|
            {
 | 
						|
		int oldx1, oldy1, dx, dy;
 | 
						|
 | 
						|
		oldx1 = pointer->saved.x1;
 | 
						|
		oldy1 = pointer->saved.y1;
 | 
						|
		dx = oldx1 - (sx - SPRITE_PAD);
 | 
						|
		dy = oldy1 - (sy - SPRITE_PAD);
 | 
						|
		pointer->saved.x1 -= dx;
 | 
						|
		pointer->saved.y1 -= dy;
 | 
						|
		pointer->saved.x2 -= dx;
 | 
						|
		pointer->saved.y2 -= dy;
 | 
						|
		(void) (*pScreenPriv->funcs->ChangeSave) (pScreen,
 | 
						|
				pointer->saved.x1,
 | 
						|
 				pointer->saved.y1,
 | 
						|
                                pointer->saved.x2 -
 | 
						|
                                pointer->saved.x1,
 | 
						|
                                pointer->saved.y2 -
 | 
						|
                                pointer->saved.y1,
 | 
						|
				dx, dy);
 | 
						|
	    }
 | 
						|
	    (void) (*pScreenPriv->funcs->MoveCursor) (pScreen, pCursor,
 | 
						|
				  pointer->saved.x1,
 | 
						|
 				  pointer->saved.y1,
 | 
						|
                                  pointer->saved.x2 -
 | 
						|
                                  pointer->saved.x1,
 | 
						|
                                  pointer->saved.y2 -
 | 
						|
                                  pointer->saved.y1,
 | 
						|
				  sx - pointer->saved.x1,
 | 
						|
				  sy - pointer->saved.y1,
 | 
						|
				  pointer->colors[SOURCE_COLOR].pixel,
 | 
						|
				  pointer->colors[MASK_COLOR].pixel);
 | 
						|
	    miSpriteIsUpTRUE (pScreen, pScreenPriv);
 | 
						|
	    DamageDrawInternal (pScreen, FALSE);
 | 
						|
	}
 | 
						|
	else
 | 
						|
#endif
 | 
						|
	{
 | 
						|
	    SPRITE_DEBUG (("SetCursor remove %d\n", pDev->id));
 | 
						|
	    miSpriteRemoveCursor (pDev, pScreen);
 | 
						|
	}
 | 
						|
    }
 | 
						|
 | 
						|
    if (!pPointer->isUp && pPointer->pCursor)
 | 
						|
    {
 | 
						|
	SPRITE_DEBUG (("SetCursor restore %d\n", pDev->id));
 | 
						|
        miSpriteSaveUnderCursor(pDev, pScreen);
 | 
						|
	miSpriteRestoreCursor (pDev, pScreen);
 | 
						|
    }
 | 
						|
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteMoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
 | 
						|
{
 | 
						|
    miSpriteScreenPtr	pScreenPriv;
 | 
						|
    CursorPtr pCursor;
 | 
						|
 | 
						|
    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						      miSpriteScreenKey);
 | 
						|
    if (!pDev->isMaster && !pDev->u.master)
 | 
						|
    {
 | 
						|
        ErrorF("[mi] miSpriteMoveCursor called for floating device.\n");
 | 
						|
        return;
 | 
						|
    }
 | 
						|
    pCursor = MISPRITE(pDev)->pCursor;
 | 
						|
 | 
						|
    miSpriteSetCursor (pDev, pScreen, pCursor, x, y);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
static Bool
 | 
						|
miSpriteDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
 | 
						|
{
 | 
						|
    miSpriteScreenPtr pScreenPriv;
 | 
						|
    miCursorInfoPtr pCursorInfo;
 | 
						|
    int ret = FALSE;
 | 
						|
 | 
						|
    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						      miSpriteScreenKey);
 | 
						|
 | 
						|
    pCursorInfo = xalloc(sizeof(miCursorInfoRec));
 | 
						|
    if (!pCursorInfo)
 | 
						|
        return FALSE;
 | 
						|
 | 
						|
    pCursorInfo->pCursor = NULL;
 | 
						|
    pCursorInfo->x = 0;
 | 
						|
    pCursorInfo->y = 0;
 | 
						|
    pCursorInfo->isUp = FALSE;
 | 
						|
    pCursorInfo->shouldBeUp = FALSE;
 | 
						|
    pCursorInfo->pCacheWin = NullWindow;
 | 
						|
    pCursorInfo->isInCacheWin = FALSE;
 | 
						|
    pCursorInfo->checkPixels = TRUE;
 | 
						|
    pCursorInfo->pScreen = FALSE;
 | 
						|
 | 
						|
    ret = (*pScreenPriv->funcs->DeviceCursorInitialize)(pDev, pScreen);
 | 
						|
    if (!ret)
 | 
						|
    {
 | 
						|
        xfree(pCursorInfo);
 | 
						|
        pCursorInfo = NULL;
 | 
						|
    }
 | 
						|
    dixSetPrivate(&pDev->devPrivates, miSpriteDevPrivatesKey, pCursorInfo);
 | 
						|
    return ret;
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
 | 
						|
{
 | 
						|
    if (DevHasCursor(pDev))
 | 
						|
    {
 | 
						|
        miSpriteScreenPtr pScreenPriv;
 | 
						|
        pScreenPriv = (miSpriteScreenPtr)
 | 
						|
                dixLookupPrivate(&pScreen->devPrivates, miSpriteScreenKey);
 | 
						|
 | 
						|
        (*pScreenPriv->funcs->DeviceCursorCleanup)(pDev, pScreen);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
 * undraw/draw cursor
 | 
						|
 */
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteRemoveCursor (DeviceIntPtr pDev, ScreenPtr pScreen)
 | 
						|
{
 | 
						|
    miSpriteScreenPtr   pScreenPriv;
 | 
						|
    miCursorInfoPtr     pCursorInfo;
 | 
						|
 | 
						|
 | 
						|
    if (!pDev->isMaster && !pDev->u.master)
 | 
						|
    {
 | 
						|
        ErrorF("[mi] miSpriteRemoveCursor called for floating device.\n");
 | 
						|
        return;
 | 
						|
    }
 | 
						|
    DamageDrawInternal (pScreen, TRUE);
 | 
						|
    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						      miSpriteScreenKey);
 | 
						|
    pCursorInfo = MISPRITE(pDev);
 | 
						|
 | 
						|
    miSpriteIsUpFALSE (pCursorInfo, pScreen, pScreenPriv);
 | 
						|
    pCursorInfo->pCacheWin = NullWindow;
 | 
						|
    miSpriteDisableDamage(pScreen, pScreenPriv);
 | 
						|
    if (!(*pScreenPriv->funcs->RestoreUnderCursor) (pDev,
 | 
						|
                                         pScreen,
 | 
						|
					 pCursorInfo->saved.x1,
 | 
						|
                                         pCursorInfo->saved.y1,
 | 
						|
                                         pCursorInfo->saved.x2 -
 | 
						|
                                         pCursorInfo->saved.x1,
 | 
						|
                                         pCursorInfo->saved.y2 -
 | 
						|
                                         pCursorInfo->saved.y1))
 | 
						|
    {
 | 
						|
	miSpriteIsUpTRUE (pCursorInfo, pScreen, pScreenPriv);
 | 
						|
    }
 | 
						|
    miSpriteEnableDamage(pScreen, pScreenPriv);
 | 
						|
    DamageDrawInternal (pScreen, FALSE);
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
 * Called from the block handler, saves area under cursor
 | 
						|
 * before waiting for something to do.
 | 
						|
 */
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteSaveUnderCursor(DeviceIntPtr pDev, ScreenPtr pScreen)
 | 
						|
{
 | 
						|
    miSpriteScreenPtr   pScreenPriv;
 | 
						|
    int			x, y;
 | 
						|
    CursorPtr		pCursor;
 | 
						|
    miCursorInfoPtr     pCursorInfo;
 | 
						|
 | 
						|
    if (!pDev->isMaster && !pDev->u.master)
 | 
						|
    {
 | 
						|
        ErrorF("[mi] miSpriteSaveUnderCursor called for floating device.\n");
 | 
						|
        return;
 | 
						|
    }
 | 
						|
    DamageDrawInternal (pScreen, TRUE);
 | 
						|
    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						      miSpriteScreenKey);
 | 
						|
    pCursorInfo = MISPRITE(pDev);
 | 
						|
 | 
						|
    miSpriteComputeSaved (pDev, pScreen);
 | 
						|
    pCursor = pCursorInfo->pCursor;
 | 
						|
 | 
						|
    x = pCursorInfo->x - (int)pCursor->bits->xhot;
 | 
						|
    y = pCursorInfo->y - (int)pCursor->bits->yhot;
 | 
						|
    miSpriteDisableDamage(pScreen, pScreenPriv);
 | 
						|
 | 
						|
    (*pScreenPriv->funcs->SaveUnderCursor) (pDev,
 | 
						|
                                      pScreen,
 | 
						|
				      pCursorInfo->saved.x1,
 | 
						|
				      pCursorInfo->saved.y1,
 | 
						|
                                      pCursorInfo->saved.x2 -
 | 
						|
                                      pCursorInfo->saved.x1,
 | 
						|
                                      pCursorInfo->saved.y2 -
 | 
						|
                                      pCursorInfo->saved.y1);
 | 
						|
    SPRITE_DEBUG(("SaveUnderCursor %d\n", pDev->id));
 | 
						|
    miSpriteEnableDamage(pScreen, pScreenPriv);
 | 
						|
    DamageDrawInternal (pScreen, FALSE);
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * Called from the block handler, restores the cursor
 | 
						|
 * before waiting for something to do.
 | 
						|
 */
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteRestoreCursor (DeviceIntPtr pDev, ScreenPtr pScreen)
 | 
						|
{
 | 
						|
    miSpriteScreenPtr   pScreenPriv;
 | 
						|
    int			x, y;
 | 
						|
    CursorPtr		pCursor;
 | 
						|
    miCursorInfoPtr     pCursorInfo;
 | 
						|
 | 
						|
    if (!pDev->isMaster && !pDev->u.master)
 | 
						|
    {
 | 
						|
        ErrorF("[mi] miSpriteRestoreCursor called for floating device.\n");
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    DamageDrawInternal (pScreen, TRUE);
 | 
						|
    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						      miSpriteScreenKey);
 | 
						|
    pCursorInfo = MISPRITE(pDev);
 | 
						|
 | 
						|
    miSpriteComputeSaved (pDev, pScreen);
 | 
						|
    pCursor = pCursorInfo->pCursor;
 | 
						|
 | 
						|
    x = pCursorInfo->x - (int)pCursor->bits->xhot;
 | 
						|
    y = pCursorInfo->y - (int)pCursor->bits->yhot;
 | 
						|
    miSpriteDisableDamage(pScreen, pScreenPriv);
 | 
						|
    SPRITE_DEBUG(("RestoreCursor %d\n", pDev->id));
 | 
						|
    if (pCursorInfo->checkPixels)
 | 
						|
        miSpriteFindColors (pCursorInfo, pScreen);
 | 
						|
    if ((*pScreenPriv->funcs->PutUpCursor) (pDev, pScreen,
 | 
						|
                pCursor, x, y,
 | 
						|
                pScreenPriv->colors[SOURCE_COLOR].pixel,
 | 
						|
                pScreenPriv->colors[MASK_COLOR].pixel))
 | 
						|
    {
 | 
						|
        miSpriteIsUpTRUE (pCursorInfo, pScreen, pScreenPriv);
 | 
						|
        pCursorInfo->pScreen = pScreen;
 | 
						|
    }
 | 
						|
    miSpriteEnableDamage(pScreen, pScreenPriv);
 | 
						|
    DamageDrawInternal (pScreen, FALSE);
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
 * compute the desired area of the screen to save
 | 
						|
 */
 | 
						|
 | 
						|
static void
 | 
						|
miSpriteComputeSaved (DeviceIntPtr pDev, ScreenPtr pScreen)
 | 
						|
{
 | 
						|
    miSpriteScreenPtr   pScreenPriv;
 | 
						|
    int		    x, y, w, h;
 | 
						|
    int		    wpad, hpad;
 | 
						|
    CursorPtr	    pCursor;
 | 
						|
    miCursorInfoPtr pCursorInfo;
 | 
						|
 | 
						|
    if (!pDev->isMaster && !pDev->u.master)
 | 
						|
    {
 | 
						|
        ErrorF("[mi] miSpriteComputeSaved called for floating device.\n");
 | 
						|
        return;
 | 
						|
    }
 | 
						|
    pScreenPriv = (miSpriteScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
 | 
						|
						      miSpriteScreenKey);
 | 
						|
    pCursorInfo = MISPRITE(pDev);
 | 
						|
 | 
						|
    pCursor = pCursorInfo->pCursor;
 | 
						|
    x = pCursorInfo->x - (int)pCursor->bits->xhot;
 | 
						|
    y = pCursorInfo->y - (int)pCursor->bits->yhot;
 | 
						|
    w = pCursor->bits->width;
 | 
						|
    h = pCursor->bits->height;
 | 
						|
    wpad = SPRITE_PAD;
 | 
						|
    hpad = SPRITE_PAD;
 | 
						|
    pCursorInfo->saved.x1 = x - wpad;
 | 
						|
    pCursorInfo->saved.y1 = y - hpad;
 | 
						|
    pCursorInfo->saved.x2 = pCursorInfo->saved.x1 + w + wpad * 2;
 | 
						|
    pCursorInfo->saved.y2 = pCursorInfo->saved.y1 + h + hpad * 2;
 | 
						|
}
 | 
						|
 |