svn merge -r588:HEAD ^/branches/released .

1 files changed, 469 insertions, 469 deletions

diff --git a/xorg-server/miext/cw/cw_render.c b/xorg-server/miext/cw/cw_render.c
index dfe2681e0..260509ce0 100644
--- a/xorg-server/miext/cw/cw_render.c
+++ b/xorg-server/miext/cw/cw_render.c
@@ -1,469 +1,469 @@
-/*
- * 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.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <string.h>
-
-#include "gcstruct.h"
-#include "windowstr.h"
-#include "cw.h"
-
-#define cwPsDecl(pScreen)	\
-    PictureScreenPtr	ps = GetPictureScreen (pScreen);	\
-    cwScreenPtr		pCwScreen = getCwScreen (pScreen)
-
-#define cwPicturePrivate					\
-    cwPicturePtr    pPicturePrivate = getCwPicture(pPicture)
-
-#define cwSrcPictureDecl							\
-    int		    src_picture_x_off, src_picture_y_off;			\
-    PicturePtr	    pBackingSrcPicture = cwGetBackingPicture(pSrcPicture,	\
-							     &src_picture_x_off,\
-							     &src_picture_y_off)
-
-#define cwDstPictureDecl							\
-    int		    dst_picture_x_off, dst_picture_y_off;			\
-    PicturePtr	    pBackingDstPicture = cwGetBackingPicture(pDstPicture,	\
-							     &dst_picture_x_off,\
-							     &dst_picture_y_off)
-
-#define cwMskPictureDecl							\
-    int		    msk_picture_x_off = 0, msk_picture_y_off = 0;		\
-    PicturePtr	    pBackingMskPicture = (!pMskPicture ? 0 :	    		\
-					  cwGetBackingPicture(pMskPicture,	\
-							      &msk_picture_x_off,\
-							      &msk_picture_y_off))
-
-#define cwPsUnwrap(elt) {	\
-    ps->elt = pCwScreen->elt;	\
-}
-
-#define cwPsWrap(elt,func) {	\
-    pCwScreen->elt = ps->elt;	\
-    ps->elt = func;		\
-}
-
-static cwPicturePtr
-cwCreatePicturePrivate (PicturePtr pPicture)
-{
-    WindowPtr	    pWindow = (WindowPtr) pPicture->pDrawable;
-    PixmapPtr	    pPixmap = getCwPixmap (pWindow);
-    int		    error;
-    cwPicturePtr    pPicturePrivate;
-
-    pPicturePrivate = xalloc (sizeof (cwPictureRec));
-    if (!pPicturePrivate)
-	return NULL;
-    
-    pPicturePrivate->pBackingPicture = CreatePicture (0, &pPixmap->drawable, 
-						      pPicture->pFormat,
-						      0, 0, serverClient,
-						      &error);
-    if (!pPicturePrivate->pBackingPicture)
-    {
-	xfree (pPicturePrivate);
-	return NULL;
-    }
-
-    /*
-     * Ensure that this serial number does not match the window's
-     */
-    pPicturePrivate->serialNumber = pPixmap->drawable.serialNumber;
-    pPicturePrivate->stateChanges = (1 << (CPLastBit + 1)) - 1;
-    
-    setCwPicture(pPicture, pPicturePrivate);
-
-    return pPicturePrivate;
-}
-
-static void
-cwDestroyPicturePrivate (PicturePtr pPicture)
-{
-    cwPicturePrivate;
-
-    if (pPicturePrivate)
-    {
-	if (pPicturePrivate->pBackingPicture)
-	    FreePicture (pPicturePrivate->pBackingPicture, 0);
-	xfree (pPicturePrivate);
-	setCwPicture(pPicture, NULL);
-    }
-}
-
-static PicturePtr
-cwGetBackingPicture (PicturePtr pPicture, int *x_off, int *y_off)
-{
-    cwPicturePrivate;
-
-    if (pPicturePrivate)
-    {
-	DrawablePtr pDrawable = pPicture->pDrawable;
-	WindowPtr   pWindow = (WindowPtr) pDrawable;
-	PixmapPtr   pPixmap = getCwPixmap (pWindow);
-
-	*x_off = pDrawable->x - pPixmap->screen_x;
-	*y_off = pDrawable->y - pPixmap->screen_y;
-
-	return pPicturePrivate->pBackingPicture;
-    }
-    else
-    {
-	*x_off = *y_off = 0;
-	return pPicture;
-    }
-}
-    
-static void
-cwDestroyPicture (PicturePtr pPicture)
-{
-    ScreenPtr		pScreen = pPicture->pDrawable->pScreen;
-    cwPsDecl(pScreen);
-    
-    cwPsUnwrap(DestroyPicture);
-    cwDestroyPicturePrivate (pPicture);
-    (*ps->DestroyPicture) (pPicture);
-    cwPsWrap(DestroyPicture, cwDestroyPicture);
-}
-
-static void
-cwChangePicture (PicturePtr pPicture, Mask mask)
-{
-    ScreenPtr		pScreen = pPicture->pDrawable->pScreen;
-    cwPsDecl(pScreen);
-    cwPicturePtr	pPicturePrivate = getCwPicture(pPicture);
-    
-    cwPsUnwrap(ChangePicture);
-    (*ps->ChangePicture) (pPicture, mask);
-    if (pPicturePrivate)
-	pPicturePrivate->stateChanges |= mask;
-    cwPsWrap(ChangePicture, cwChangePicture);
-}
-
-
-static void
-cwValidatePicture (PicturePtr pPicture,
-		   Mask       mask)
-{
-    DrawablePtr		pDrawable = pPicture->pDrawable;
-    ScreenPtr		pScreen = pDrawable->pScreen;
-    cwPsDecl(pScreen);
-    cwPicturePrivate;
-    
-    cwPsUnwrap(ValidatePicture);
-
-    /*
-     * Must call ValidatePicture to ensure pPicture->pCompositeClip is valid
-     */
-    (*ps->ValidatePicture) (pPicture, mask);
-    
-    if (!cwDrawableIsRedirWindow (pDrawable))
-    {
-	if (pPicturePrivate)
-	    cwDestroyPicturePrivate (pPicture);
-    }
-    else
-    {
-	PicturePtr  pBackingPicture;
-	DrawablePtr pBackingDrawable;
-	int	    x_off, y_off;
-	
-	pBackingDrawable = cwGetBackingDrawable(pDrawable, &x_off, &y_off);
-
-	if (pPicturePrivate && 
-	    pPicturePrivate->pBackingPicture->pDrawable != pBackingDrawable)
-	{
-	    cwDestroyPicturePrivate (pPicture);
-	    pPicturePrivate = 0;
-	}
-
-	if (!pPicturePrivate)
-	{
-	    pPicturePrivate = cwCreatePicturePrivate (pPicture);
-	    if (!pPicturePrivate)
-	    {
-		cwPsWrap(ValidatePicture, cwValidatePicture);
-		return;
-	    }
-	}
-
-	pBackingPicture = pPicturePrivate->pBackingPicture;
-
-	/*
-	 * Always copy transform and filters because there's no
-	 * indication of when they've changed
-	 */
-	SetPictureTransform(pBackingPicture, pPicture->transform);
-	
-	if (pBackingPicture->filter != pPicture->filter ||
-	    pPicture->filter_nparams > 0)
-	{
-	    char    *filter = PictureGetFilterName (pPicture->filter);
-	    
-	    SetPictureFilter(pBackingPicture,
-			     filter, strlen (filter),
-			     pPicture->filter_params,
-			     pPicture->filter_nparams);
-	}
-
-	pPicturePrivate->stateChanges |= mask;
-
-	if (pPicturePrivate->serialNumber != pDrawable->serialNumber ||
-	    (pPicturePrivate->stateChanges & (CPClipXOrigin|CPClipYOrigin|CPClipMask)))
-	{
-	    SetPictureClipRegion (pBackingPicture, 
-				  x_off - pDrawable->x,
-				  y_off - pDrawable->y,
-				  pPicture->pCompositeClip);
-    
-	    pPicturePrivate->serialNumber = pDrawable->serialNumber;
-	    pPicturePrivate->stateChanges &= ~(CPClipXOrigin | CPClipYOrigin | CPClipMask);
-	}
-
-	CopyPicture(pPicture, pPicturePrivate->stateChanges, pBackingPicture);
-
-	ValidatePicture (pBackingPicture);
-    }
-    cwPsWrap(ValidatePicture, cwValidatePicture);
-}
-
-static void
-cwComposite (CARD8	op,
-	     PicturePtr pSrcPicture,
-	     PicturePtr pMskPicture,
-	     PicturePtr pDstPicture,
-	     INT16	xSrc,
-	     INT16	ySrc,
-	     INT16	xMsk,
-	     INT16	yMsk,
-	     INT16	xDst,
-	     INT16	yDst,
-	     CARD16	width,
-	     CARD16	height)
-{
-    ScreenPtr	pScreen = pDstPicture->pDrawable->pScreen;
-    cwPsDecl(pScreen);
-    cwSrcPictureDecl;
-    cwMskPictureDecl;
-    cwDstPictureDecl;
-    
-    cwPsUnwrap(Composite);
-    (*ps->Composite) (op, pBackingSrcPicture, pBackingMskPicture, pBackingDstPicture,
-		      xSrc + src_picture_x_off, ySrc + src_picture_y_off,
-		      xMsk + msk_picture_x_off, yMsk + msk_picture_y_off,
-		      xDst + dst_picture_x_off, yDst + dst_picture_y_off,
-		      width, height);
-    cwPsWrap(Composite, cwComposite);
-}
-
-static void
-cwCompositeRects (CARD8		op,
-		  PicturePtr	pDstPicture,
-		  xRenderColor  *color,
-		  int		nRect,
-		  xRectangle	*rects)
-{
-    ScreenPtr	pScreen = pDstPicture->pDrawable->pScreen;
-    cwPsDecl(pScreen);
-    cwDstPictureDecl;
-    int i;
-    
-    cwPsUnwrap(CompositeRects);
-    for (i = 0; i < nRect; i++)
-    {
-	rects[i].x += dst_picture_x_off;
-	rects[i].y += dst_picture_y_off;
-    }
-    (*ps->CompositeRects) (op, pBackingDstPicture, color, nRect, rects);
-    cwPsWrap(CompositeRects, cwCompositeRects);
-}
-
-static void
-cwTrapezoids (CARD8	    op,
-	      PicturePtr    pSrcPicture,
-	      PicturePtr    pDstPicture,
-	      PictFormatPtr maskFormat,
-	      INT16	    xSrc,
-	      INT16	    ySrc,
-	      int	    ntrap,
-	      xTrapezoid    *traps)
-{
-    ScreenPtr	pScreen = pDstPicture->pDrawable->pScreen;
-    cwPsDecl(pScreen);
-    cwSrcPictureDecl;
-    cwDstPictureDecl;
-    int i;
-    
-    cwPsUnwrap(Trapezoids);
-    if (dst_picture_x_off || dst_picture_y_off) {
-	for (i = 0; i < ntrap; i++)
-	{
-	    traps[i].top += dst_picture_y_off << 16;
-	    traps[i].bottom += dst_picture_y_off << 16;
-	    traps[i].left.p1.x += dst_picture_x_off << 16;
-	    traps[i].left.p1.y += dst_picture_y_off << 16;
-	    traps[i].left.p2.x += dst_picture_x_off << 16;
-	    traps[i].left.p2.y += dst_picture_y_off << 16;
-	    traps[i].right.p1.x += dst_picture_x_off << 16;
-	    traps[i].right.p1.y += dst_picture_y_off << 16;
-	    traps[i].right.p2.x += dst_picture_x_off << 16;
-	    traps[i].right.p2.y += dst_picture_y_off << 16;
-	}
-    }
-    (*ps->Trapezoids) (op, pBackingSrcPicture, pBackingDstPicture, maskFormat,
-		       xSrc + src_picture_x_off, ySrc + src_picture_y_off,
-		       ntrap, traps);
-    cwPsWrap(Trapezoids, cwTrapezoids);
-}
-
-static void
-cwTriangles (CARD8	    op,
-	     PicturePtr	    pSrcPicture,
-	     PicturePtr	    pDstPicture,
-	     PictFormatPtr  maskFormat,
-	     INT16	    xSrc,
-	     INT16	    ySrc,
-	     int	    ntri,
-	     xTriangle	   *tris)
-{
-    ScreenPtr	pScreen = pDstPicture->pDrawable->pScreen;
-    cwPsDecl(pScreen);
-    cwSrcPictureDecl;
-    cwDstPictureDecl;
-    int i;
-    
-    cwPsUnwrap(Triangles);
-    if (dst_picture_x_off || dst_picture_y_off) {
-	for (i = 0; i < ntri; i++)
-	{
-	    tris[i].p1.x += dst_picture_x_off << 16;
-	    tris[i].p1.y += dst_picture_y_off << 16;
-	    tris[i].p2.x += dst_picture_x_off << 16;
-	    tris[i].p2.y += dst_picture_y_off << 16;
-	    tris[i].p3.x += dst_picture_x_off << 16;
-	    tris[i].p3.y += dst_picture_y_off << 16;
-	}
-    }
-    (*ps->Triangles) (op, pBackingSrcPicture, pBackingDstPicture, maskFormat,
-		      xSrc + src_picture_x_off, ySrc + src_picture_y_off,
-		      ntri, tris);
-    cwPsWrap(Triangles, cwTriangles);
-}
-
-static void
-cwTriStrip (CARD8	    op,
-	    PicturePtr	    pSrcPicture,
-	    PicturePtr	    pDstPicture,
-	    PictFormatPtr   maskFormat,
-	    INT16	    xSrc,
-	    INT16	    ySrc,
-	    int		    npoint,
-	    xPointFixed    *points)
-{
-    ScreenPtr	pScreen = pDstPicture->pDrawable->pScreen;
-    cwPsDecl(pScreen);
-    cwSrcPictureDecl;
-    cwDstPictureDecl;
-    int i;
-
-    cwPsUnwrap(TriStrip);
-    if (dst_picture_x_off || dst_picture_y_off) {
-	for (i = 0; i < npoint; i++)
-	{
-	    points[i].x += dst_picture_x_off << 16;
-	    points[i].y += dst_picture_y_off << 16;
-	}
-    }
-    (*ps->TriStrip) (op, pBackingSrcPicture, pBackingDstPicture, maskFormat,
-		     xSrc + src_picture_x_off, ySrc + src_picture_y_off,
-		     npoint, points);
-    cwPsWrap(TriStrip, cwTriStrip);
-}
-
-static void
-cwTriFan (CARD8		 op,
-	  PicturePtr	 pSrcPicture,
-	  PicturePtr	 pDstPicture,
-	  PictFormatPtr  maskFormat,
-	  INT16		 xSrc,
-	  INT16		 ySrc,
-	  int		 npoint,
-	  xPointFixed   *points)
-{
-    ScreenPtr	pScreen = pDstPicture->pDrawable->pScreen;
-    cwPsDecl(pScreen);
-    cwSrcPictureDecl;
-    cwDstPictureDecl;
-    int i;
-
-    cwPsUnwrap(TriFan);
-    if (dst_picture_x_off || dst_picture_y_off) {
-	for (i = 0; i < npoint; i++)
-	{
-	    points[i].x += dst_picture_x_off << 16;
-	    points[i].y += dst_picture_y_off << 16;
-	}
-    }
-    (*ps->TriFan) (op, pBackingSrcPicture, pBackingDstPicture, maskFormat,
-		   xSrc + src_picture_x_off, ySrc + src_picture_y_off,
-		   npoint, points);
-    cwPsWrap(TriFan, cwTriFan);
-}
-
-void
-cwInitializeRender (ScreenPtr pScreen)
-{
-    cwPsDecl (pScreen);
-
-    cwPsWrap(DestroyPicture, cwDestroyPicture);
-    cwPsWrap(ChangePicture, cwChangePicture);
-    cwPsWrap(ValidatePicture, cwValidatePicture);
-    cwPsWrap(Composite, cwComposite);
-    cwPsWrap(CompositeRects, cwCompositeRects);
-    cwPsWrap(Trapezoids, cwTrapezoids);
-    cwPsWrap(Triangles, cwTriangles);
-    cwPsWrap(TriStrip, cwTriStrip);
-    cwPsWrap(TriFan, cwTriFan);
-    /* There is no need to wrap AddTraps as far as we can tell.  AddTraps can
-     * only be done on alpha-only pictures, and we won't be getting
-     * alpha-only window pictures, so there's no need to translate.
-     */
-}
-
-void
-cwFiniRender (ScreenPtr pScreen)
-{
-    cwPsDecl (pScreen);
-
-    cwPsUnwrap(DestroyPicture);
-    cwPsUnwrap(ChangePicture);
-    cwPsUnwrap(ValidatePicture);
-    cwPsUnwrap(Composite);
-    cwPsUnwrap(CompositeRects);
-    cwPsUnwrap(Trapezoids);
-    cwPsUnwrap(Triangles);
-    cwPsUnwrap(TriStrip);
-    cwPsUnwrap(TriFan);
-}
-
+/*

+ * 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.

+ */

+

+#ifdef HAVE_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include <string.h>

+

+#include "gcstruct.h"

+#include "windowstr.h"

+#include "cw.h"

+

+#define cwPsDecl(pScreen)	\

+    PictureScreenPtr	ps = GetPictureScreen (pScreen);	\

+    cwScreenPtr		pCwScreen = getCwScreen (pScreen)

+

+#define cwPicturePrivate					\

+    cwPicturePtr    pPicturePrivate = getCwPicture(pPicture)

+

+#define cwSrcPictureDecl							\

+    int		    src_picture_x_off, src_picture_y_off;			\

+    PicturePtr	    pBackingSrcPicture = cwGetBackingPicture(pSrcPicture,	\

+							     &src_picture_x_off,\

+							     &src_picture_y_off)

+

+#define cwDstPictureDecl							\

+    int		    dst_picture_x_off, dst_picture_y_off;			\

+    PicturePtr	    pBackingDstPicture = cwGetBackingPicture(pDstPicture,	\

+							     &dst_picture_x_off,\

+							     &dst_picture_y_off)

+

+#define cwMskPictureDecl							\

+    int		    msk_picture_x_off = 0, msk_picture_y_off = 0;		\

+    PicturePtr	    pBackingMskPicture = (!pMskPicture ? 0 :	    		\

+					  cwGetBackingPicture(pMskPicture,	\

+							      &msk_picture_x_off,\

+							      &msk_picture_y_off))

+

+#define cwPsUnwrap(elt) {	\

+    ps->elt = pCwScreen->elt;	\

+}

+

+#define cwPsWrap(elt,func) {	\

+    pCwScreen->elt = ps->elt;	\

+    ps->elt = func;		\

+}

+

+static cwPicturePtr

+cwCreatePicturePrivate (PicturePtr pPicture)

+{

+    WindowPtr	    pWindow = (WindowPtr) pPicture->pDrawable;

+    PixmapPtr	    pPixmap = getCwPixmap (pWindow);

+    int		    error;

+    cwPicturePtr    pPicturePrivate;

+

+    pPicturePrivate = malloc(sizeof (cwPictureRec));

+    if (!pPicturePrivate)

+	return NULL;

+    

+    pPicturePrivate->pBackingPicture = CreatePicture (0, &pPixmap->drawable, 

+						      pPicture->pFormat,

+						      0, 0, serverClient,

+						      &error);

+    if (!pPicturePrivate->pBackingPicture)

+    {

+	free(pPicturePrivate);

+	return NULL;

+    }

+

+    /*

+     * Ensure that this serial number does not match the window's

+     */

+    pPicturePrivate->serialNumber = pPixmap->drawable.serialNumber;

+    pPicturePrivate->stateChanges = (1 << (CPLastBit + 1)) - 1;

+    

+    setCwPicture(pPicture, pPicturePrivate);

+

+    return pPicturePrivate;

+}

+

+static void

+cwDestroyPicturePrivate (PicturePtr pPicture)

+{

+    cwPicturePrivate;

+

+    if (pPicturePrivate)

+    {

+	if (pPicturePrivate->pBackingPicture)

+	    FreePicture (pPicturePrivate->pBackingPicture, 0);

+	free(pPicturePrivate);

+	setCwPicture(pPicture, NULL);

+    }

+}

+

+static PicturePtr

+cwGetBackingPicture (PicturePtr pPicture, int *x_off, int *y_off)

+{

+    cwPicturePrivate;

+

+    if (pPicturePrivate)

+    {

+	DrawablePtr pDrawable = pPicture->pDrawable;

+	WindowPtr   pWindow = (WindowPtr) pDrawable;

+	PixmapPtr   pPixmap = getCwPixmap (pWindow);

+

+	*x_off = pDrawable->x - pPixmap->screen_x;

+	*y_off = pDrawable->y - pPixmap->screen_y;

+

+	return pPicturePrivate->pBackingPicture;

+    }

+    else

+    {

+	*x_off = *y_off = 0;

+	return pPicture;

+    }

+}

+    

+static void

+cwDestroyPicture (PicturePtr pPicture)

+{

+    ScreenPtr		pScreen = pPicture->pDrawable->pScreen;

+    cwPsDecl(pScreen);

+    

+    cwPsUnwrap(DestroyPicture);

+    cwDestroyPicturePrivate (pPicture);

+    (*ps->DestroyPicture) (pPicture);

+    cwPsWrap(DestroyPicture, cwDestroyPicture);

+}

+

+static void

+cwChangePicture (PicturePtr pPicture, Mask mask)

+{

+    ScreenPtr		pScreen = pPicture->pDrawable->pScreen;

+    cwPsDecl(pScreen);

+    cwPicturePtr	pPicturePrivate = getCwPicture(pPicture);

+    

+    cwPsUnwrap(ChangePicture);

+    (*ps->ChangePicture) (pPicture, mask);

+    if (pPicturePrivate)

+	pPicturePrivate->stateChanges |= mask;

+    cwPsWrap(ChangePicture, cwChangePicture);

+}

+

+

+static void

+cwValidatePicture (PicturePtr pPicture,

+		   Mask       mask)

+{

+    DrawablePtr		pDrawable = pPicture->pDrawable;

+    ScreenPtr		pScreen = pDrawable->pScreen;

+    cwPsDecl(pScreen);

+    cwPicturePrivate;

+    

+    cwPsUnwrap(ValidatePicture);

+

+    /*

+     * Must call ValidatePicture to ensure pPicture->pCompositeClip is valid

+     */

+    (*ps->ValidatePicture) (pPicture, mask);

+    

+    if (!cwDrawableIsRedirWindow (pDrawable))

+    {

+	if (pPicturePrivate)

+	    cwDestroyPicturePrivate (pPicture);

+    }

+    else

+    {

+	PicturePtr  pBackingPicture;

+	DrawablePtr pBackingDrawable;

+	int	    x_off, y_off;

+	

+	pBackingDrawable = cwGetBackingDrawable(pDrawable, &x_off, &y_off);

+

+	if (pPicturePrivate && 

+	    pPicturePrivate->pBackingPicture->pDrawable != pBackingDrawable)

+	{

+	    cwDestroyPicturePrivate (pPicture);

+	    pPicturePrivate = 0;

+	}

+

+	if (!pPicturePrivate)

+	{

+	    pPicturePrivate = cwCreatePicturePrivate (pPicture);

+	    if (!pPicturePrivate)

+	    {

+		cwPsWrap(ValidatePicture, cwValidatePicture);

+		return;

+	    }

+	}

+

+	pBackingPicture = pPicturePrivate->pBackingPicture;

+

+	/*

+	 * Always copy transform and filters because there's no

+	 * indication of when they've changed

+	 */

+	SetPictureTransform(pBackingPicture, pPicture->transform);

+	

+	if (pBackingPicture->filter != pPicture->filter ||

+	    pPicture->filter_nparams > 0)

+	{

+	    char    *filter = PictureGetFilterName (pPicture->filter);

+	    

+	    SetPictureFilter(pBackingPicture,

+			     filter, strlen (filter),

+			     pPicture->filter_params,

+			     pPicture->filter_nparams);

+	}

+

+	pPicturePrivate->stateChanges |= mask;

+

+	if (pPicturePrivate->serialNumber != pDrawable->serialNumber ||

+	    (pPicturePrivate->stateChanges & (CPClipXOrigin|CPClipYOrigin|CPClipMask)))

+	{

+	    SetPictureClipRegion (pBackingPicture, 

+				  x_off - pDrawable->x,

+				  y_off - pDrawable->y,

+				  pPicture->pCompositeClip);

+    

+	    pPicturePrivate->serialNumber = pDrawable->serialNumber;

+	    pPicturePrivate->stateChanges &= ~(CPClipXOrigin | CPClipYOrigin | CPClipMask);

+	}

+

+	CopyPicture(pPicture, pPicturePrivate->stateChanges, pBackingPicture);

+

+	ValidatePicture (pBackingPicture);

+    }

+    cwPsWrap(ValidatePicture, cwValidatePicture);

+}

+

+static void

+cwComposite (CARD8	op,

+	     PicturePtr pSrcPicture,

+	     PicturePtr pMskPicture,

+	     PicturePtr pDstPicture,

+	     INT16	xSrc,

+	     INT16	ySrc,

+	     INT16	xMsk,

+	     INT16	yMsk,

+	     INT16	xDst,

+	     INT16	yDst,

+	     CARD16	width,

+	     CARD16	height)

+{

+    ScreenPtr	pScreen = pDstPicture->pDrawable->pScreen;

+    cwPsDecl(pScreen);

+    cwSrcPictureDecl;

+    cwMskPictureDecl;

+    cwDstPictureDecl;

+    

+    cwPsUnwrap(Composite);

+    (*ps->Composite) (op, pBackingSrcPicture, pBackingMskPicture, pBackingDstPicture,

+		      xSrc + src_picture_x_off, ySrc + src_picture_y_off,

+		      xMsk + msk_picture_x_off, yMsk + msk_picture_y_off,

+		      xDst + dst_picture_x_off, yDst + dst_picture_y_off,

+		      width, height);

+    cwPsWrap(Composite, cwComposite);

+}

+

+static void

+cwCompositeRects (CARD8		op,

+		  PicturePtr	pDstPicture,

+		  xRenderColor  *color,

+		  int		nRect,

+		  xRectangle	*rects)

+{

+    ScreenPtr	pScreen = pDstPicture->pDrawable->pScreen;

+    cwPsDecl(pScreen);

+    cwDstPictureDecl;

+    int i;

+    

+    cwPsUnwrap(CompositeRects);

+    for (i = 0; i < nRect; i++)

+    {

+	rects[i].x += dst_picture_x_off;

+	rects[i].y += dst_picture_y_off;

+    }

+    (*ps->CompositeRects) (op, pBackingDstPicture, color, nRect, rects);

+    cwPsWrap(CompositeRects, cwCompositeRects);

+}

+

+static void

+cwTrapezoids (CARD8	    op,

+	      PicturePtr    pSrcPicture,

+	      PicturePtr    pDstPicture,

+	      PictFormatPtr maskFormat,

+	      INT16	    xSrc,

+	      INT16	    ySrc,

+	      int	    ntrap,

+	      xTrapezoid    *traps)

+{

+    ScreenPtr	pScreen = pDstPicture->pDrawable->pScreen;

+    cwPsDecl(pScreen);

+    cwSrcPictureDecl;

+    cwDstPictureDecl;

+    int i;

+    

+    cwPsUnwrap(Trapezoids);

+    if (dst_picture_x_off || dst_picture_y_off) {

+	for (i = 0; i < ntrap; i++)

+	{

+	    traps[i].top += dst_picture_y_off << 16;

+	    traps[i].bottom += dst_picture_y_off << 16;

+	    traps[i].left.p1.x += dst_picture_x_off << 16;

+	    traps[i].left.p1.y += dst_picture_y_off << 16;

+	    traps[i].left.p2.x += dst_picture_x_off << 16;

+	    traps[i].left.p2.y += dst_picture_y_off << 16;

+	    traps[i].right.p1.x += dst_picture_x_off << 16;

+	    traps[i].right.p1.y += dst_picture_y_off << 16;

+	    traps[i].right.p2.x += dst_picture_x_off << 16;

+	    traps[i].right.p2.y += dst_picture_y_off << 16;

+	}

+    }

+    (*ps->Trapezoids) (op, pBackingSrcPicture, pBackingDstPicture, maskFormat,

+		       xSrc + src_picture_x_off, ySrc + src_picture_y_off,

+		       ntrap, traps);

+    cwPsWrap(Trapezoids, cwTrapezoids);

+}

+

+static void

+cwTriangles (CARD8	    op,

+	     PicturePtr	    pSrcPicture,

+	     PicturePtr	    pDstPicture,

+	     PictFormatPtr  maskFormat,

+	     INT16	    xSrc,

+	     INT16	    ySrc,

+	     int	    ntri,

+	     xTriangle	   *tris)

+{

+    ScreenPtr	pScreen = pDstPicture->pDrawable->pScreen;

+    cwPsDecl(pScreen);

+    cwSrcPictureDecl;

+    cwDstPictureDecl;

+    int i;

+    

+    cwPsUnwrap(Triangles);

+    if (dst_picture_x_off || dst_picture_y_off) {

+	for (i = 0; i < ntri; i++)

+	{

+	    tris[i].p1.x += dst_picture_x_off << 16;

+	    tris[i].p1.y += dst_picture_y_off << 16;

+	    tris[i].p2.x += dst_picture_x_off << 16;

+	    tris[i].p2.y += dst_picture_y_off << 16;

+	    tris[i].p3.x += dst_picture_x_off << 16;

+	    tris[i].p3.y += dst_picture_y_off << 16;

+	}

+    }

+    (*ps->Triangles) (op, pBackingSrcPicture, pBackingDstPicture, maskFormat,

+		      xSrc + src_picture_x_off, ySrc + src_picture_y_off,

+		      ntri, tris);

+    cwPsWrap(Triangles, cwTriangles);

+}

+

+static void

+cwTriStrip (CARD8	    op,

+	    PicturePtr	    pSrcPicture,

+	    PicturePtr	    pDstPicture,

+	    PictFormatPtr   maskFormat,

+	    INT16	    xSrc,

+	    INT16	    ySrc,

+	    int		    npoint,

+	    xPointFixed    *points)

+{

+    ScreenPtr	pScreen = pDstPicture->pDrawable->pScreen;

+    cwPsDecl(pScreen);

+    cwSrcPictureDecl;

+    cwDstPictureDecl;

+    int i;

+

+    cwPsUnwrap(TriStrip);

+    if (dst_picture_x_off || dst_picture_y_off) {

+	for (i = 0; i < npoint; i++)

+	{

+	    points[i].x += dst_picture_x_off << 16;

+	    points[i].y += dst_picture_y_off << 16;

+	}

+    }

+    (*ps->TriStrip) (op, pBackingSrcPicture, pBackingDstPicture, maskFormat,

+		     xSrc + src_picture_x_off, ySrc + src_picture_y_off,

+		     npoint, points);

+    cwPsWrap(TriStrip, cwTriStrip);

+}

+

+static void

+cwTriFan (CARD8		 op,

+	  PicturePtr	 pSrcPicture,

+	  PicturePtr	 pDstPicture,

+	  PictFormatPtr  maskFormat,

+	  INT16		 xSrc,

+	  INT16		 ySrc,

+	  int		 npoint,

+	  xPointFixed   *points)

+{

+    ScreenPtr	pScreen = pDstPicture->pDrawable->pScreen;

+    cwPsDecl(pScreen);

+    cwSrcPictureDecl;

+    cwDstPictureDecl;

+    int i;

+

+    cwPsUnwrap(TriFan);

+    if (dst_picture_x_off || dst_picture_y_off) {

+	for (i = 0; i < npoint; i++)

+	{

+	    points[i].x += dst_picture_x_off << 16;

+	    points[i].y += dst_picture_y_off << 16;

+	}

+    }

+    (*ps->TriFan) (op, pBackingSrcPicture, pBackingDstPicture, maskFormat,

+		   xSrc + src_picture_x_off, ySrc + src_picture_y_off,

+		   npoint, points);

+    cwPsWrap(TriFan, cwTriFan);

+}

+

+void

+cwInitializeRender (ScreenPtr pScreen)

+{

+    cwPsDecl (pScreen);

+

+    cwPsWrap(DestroyPicture, cwDestroyPicture);

+    cwPsWrap(ChangePicture, cwChangePicture);

+    cwPsWrap(ValidatePicture, cwValidatePicture);

+    cwPsWrap(Composite, cwComposite);

+    cwPsWrap(CompositeRects, cwCompositeRects);

+    cwPsWrap(Trapezoids, cwTrapezoids);

+    cwPsWrap(Triangles, cwTriangles);

+    cwPsWrap(TriStrip, cwTriStrip);

+    cwPsWrap(TriFan, cwTriFan);

+    /* There is no need to wrap AddTraps as far as we can tell.  AddTraps can

+     * only be done on alpha-only pictures, and we won't be getting

+     * alpha-only window pictures, so there's no need to translate.

+     */

+}

+

+void

+cwFiniRender (ScreenPtr pScreen)

+{

+    cwPsDecl (pScreen);

+

+    cwPsUnwrap(DestroyPicture);

+    cwPsUnwrap(ChangePicture);

+    cwPsUnwrap(ValidatePicture);

+    cwPsUnwrap(Composite);

+    cwPsUnwrap(CompositeRects);

+    cwPsUnwrap(Trapezoids);

+    cwPsUnwrap(Triangles);

+    cwPsUnwrap(TriStrip);

+    cwPsUnwrap(TriFan);

+}

+