libX11 xserver fontconfig mesa pixman xkbcomp xkeyboard-config git update

23 Mar 2012

1 files changed, 1280 insertions, 1237 deletions

diff --git a/xorg-server/hw/dmx/dmxpict.c b/xorg-server/hw/dmx/dmxpict.c
index 1ea6543e0..b1177cf41 100644
--- a/xorg-server/hw/dmx/dmxpict.c
+++ b/xorg-server/hw/dmx/dmxpict.c
@@ -1,1237 +1,1280 @@
-/*

- * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.

- *

- * All Rights Reserved.

- *

- * Permission is hereby granted, free of charge, to any person obtaining

- * a copy of this software and associated documentation files (the

- * "Software"), to deal in the Software without restriction, including

- * without limitation on the rights to use, copy, modify, merge,

- * publish, distribute, sublicense, and/or sell copies of the Software,

- * and to permit persons to whom the Software is furnished to do so,

- * subject to the following conditions:

- *

- * The above copyright notice and this permission notice (including the

- * next paragraph) shall be included in all copies or substantial

- * portions of the Software.

- *

- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

- * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS

- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

- * SOFTWARE.

- */

-

-/*

- * Authors:

- *   Kevin E. Martin <kem@redhat.com>

- *

- */

-

-/** \file

- *  Provide support for the RENDER extension (version 0.8).

- */

-

-#ifdef HAVE_DMX_CONFIG_H

-#include <dmx-config.h>

-#endif

-

-#include "dmx.h"

-#include "dmxsync.h"

-#include "dmxpict.h"

-#include "dmxwindow.h"

-#include "dmxpixmap.h"

-

-#include "fb.h"

-#include "pixmapstr.h"

-#include "dixstruct.h"

-

-#include <X11/extensions/render.h>

-#include <X11/extensions/renderproto.h>

-#include <X11/extensions/Xfixes.h>

-#include "picture.h"

-#include "picturestr.h"

-#include "mipict.h"

-#include "fbpict.h"

-

-

-extern int RenderErrBase;

-extern int (*ProcRenderVector[RenderNumberRequests])(ClientPtr);

-

-static int (*dmxSaveRenderVector[RenderNumberRequests])(ClientPtr);

-

-

-static int dmxProcRenderCreateGlyphSet(ClientPtr client);

-static int dmxProcRenderFreeGlyphSet(ClientPtr client);

-static int dmxProcRenderAddGlyphs(ClientPtr client);

-static int dmxProcRenderFreeGlyphs(ClientPtr client);

-static int dmxProcRenderCompositeGlyphs(ClientPtr client);

-static int dmxProcRenderSetPictureTransform(ClientPtr client);

-static int dmxProcRenderSetPictureFilter(ClientPtr client);

-#if 0

-/* FIXME: Not (yet) supported */

-static int dmxProcRenderCreateCursor(ClientPtr client);

-static int dmxProcRenderCreateAnimCursor(ClientPtr client);

-#endif

-

-/** Catch errors that might occur when allocating Glyph Sets.  Errors

- *  are saved in dmxGlyphLastError for later handling. */

-static int dmxGlyphLastError;

-static int dmxGlyphErrorHandler(Display *dpy, XErrorEvent *ev)

-{

-    dmxGlyphLastError = ev->error_code;

-    return 0;

-}

-

-

-/** Initialize the Proc Vector for the RENDER extension.  The functions

- *  here cannot be handled by the mi layer RENDER hooks either because

- *  the required information is no longer available when it reaches the

- *  mi layer or no mi layer hooks exist.  This function is called from

- *  InitOutput() since it should be initialized only once per server

- *  generation. */

-void dmxInitRender(void)

-{

-    int i;

-

-    for (i = 0; i < RenderNumberRequests; i++)

-        dmxSaveRenderVector[i] = ProcRenderVector[i];

-

-    ProcRenderVector[X_RenderCreateGlyphSet]

-	= dmxProcRenderCreateGlyphSet;

-    ProcRenderVector[X_RenderFreeGlyphSet]

-	= dmxProcRenderFreeGlyphSet;

-    ProcRenderVector[X_RenderAddGlyphs]

-	= dmxProcRenderAddGlyphs;

-    ProcRenderVector[X_RenderFreeGlyphs]

-	= dmxProcRenderFreeGlyphs;

-    ProcRenderVector[X_RenderCompositeGlyphs8]

-	= dmxProcRenderCompositeGlyphs;

-    ProcRenderVector[X_RenderCompositeGlyphs16]

-	= dmxProcRenderCompositeGlyphs;

-    ProcRenderVector[X_RenderCompositeGlyphs32]

-	= dmxProcRenderCompositeGlyphs;

-    ProcRenderVector[X_RenderSetPictureTransform]

-	= dmxProcRenderSetPictureTransform;

-    ProcRenderVector[X_RenderSetPictureFilter]

-	= dmxProcRenderSetPictureFilter;

-}

-

-/** Reset the Proc Vector for the RENDER extension back to the original

- *  functions.  This function is called from dmxCloseScreen() during the

- *  server reset (only for screen #0). */

-void dmxResetRender(void)

-{

-    int i;

-

-    for (i = 0; i < RenderNumberRequests; i++)

-        ProcRenderVector[i] = dmxSaveRenderVector[i];

-}

-

-/** Initialize the RENDER extension, allocate the picture privates and

- *  wrap mi function hooks.  If the shadow frame buffer is used, then

- *  call the appropriate fb initialization function. */

-Bool dmxPictureInit(ScreenPtr pScreen, PictFormatPtr formats, int nformats)

-{

-    DMXScreenInfo    *dmxScreen = &dmxScreens[pScreen->myNum];

-    PictureScreenPtr  ps;

-

-    /* The shadow framebuffer only relies on FB to be initialized */

-    if (dmxShadowFB) return fbPictureInit(pScreen, formats, nformats);

-

-    if (!miPictureInit(pScreen, formats, nformats))

-	return FALSE;

-

-    if (!dixRegisterPrivateKey(&dmxPictPrivateKeyRec, PRIVATE_PICTURE, sizeof(dmxPictPrivRec)))

-	return FALSE;

-

-    ps = GetPictureScreen(pScreen);

-

-    DMX_WRAP(CreatePicture,      dmxCreatePicture,      dmxScreen, ps);

-    DMX_WRAP(DestroyPicture,     dmxDestroyPicture,     dmxScreen, ps);

-

-    DMX_WRAP(ChangePictureClip,  dmxChangePictureClip,  dmxScreen, ps);

-    DMX_WRAP(DestroyPictureClip, dmxDestroyPictureClip, dmxScreen, ps);

-

-    DMX_WRAP(ChangePicture,      dmxChangePicture,      dmxScreen, ps);

-    DMX_WRAP(ValidatePicture,    dmxValidatePicture,    dmxScreen, ps);

-

-    DMX_WRAP(Composite,          dmxComposite,          dmxScreen, ps);

-    DMX_WRAP(Glyphs,             dmxGlyphs,             dmxScreen, ps);

-    DMX_WRAP(CompositeRects,     dmxCompositeRects,     dmxScreen, ps);

-

-    DMX_WRAP(Trapezoids,         dmxTrapezoids,         dmxScreen, ps);

-    DMX_WRAP(Triangles,          dmxTriangles,          dmxScreen, ps);

-

-    return TRUE;

-}

-

-

-/** Find the appropriate format on the requested screen given the

- *  internal format requested.  The list of formats is searched

- *  sequentially as the XRenderFindFormat() function does not always

- *  find the appropriate format when a specific format is requested. */

-static XRenderPictFormat *dmxFindFormat(DMXScreenInfo *dmxScreen,

-					PictFormatPtr pFmt)

-{

-    XRenderPictFormat *pFormat = NULL;

-    int                i       = 0;

-

-    if (!pFmt || !dmxScreen->beDisplay) return pFormat;

-

-    while (1) {

-	pFormat = XRenderFindFormat(dmxScreen->beDisplay, 0, 0, i++);

-	if (!pFormat) break;

-

-	if (pFormat->type             != pFmt->type)             continue;

-	if (pFormat->depth            != pFmt->depth)            continue;

-	if (pFormat->direct.red       != pFmt->direct.red)       continue;

-	if (pFormat->direct.redMask   != pFmt->direct.redMask)   continue;

-	if (pFormat->direct.green     != pFmt->direct.green)     continue;

-	if (pFormat->direct.greenMask != pFmt->direct.greenMask) continue;

-	if (pFormat->direct.blue      != pFmt->direct.blue)      continue;

-	if (pFormat->direct.blueMask  != pFmt->direct.blueMask)  continue;

-	if (pFormat->direct.alpha     != pFmt->direct.alpha)     continue;

-	if (pFormat->direct.alphaMask != pFmt->direct.alphaMask) continue;

-

-	/* We have a match! */

-	break;

-    }

-

-    return pFormat;

-}

-

-/** Free \a glyphSet on back-end screen number \a idx. */

-Bool dmxBEFreeGlyphSet(ScreenPtr pScreen, GlyphSetPtr glyphSet)

-{

-    dmxGlyphPrivPtr  glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);

-    int              idx       = pScreen->myNum;

-    DMXScreenInfo   *dmxScreen = &dmxScreens[idx];

-

-    if (glyphPriv->glyphSets[idx]) {

-	XRenderFreeGlyphSet(dmxScreen->beDisplay, glyphPriv->glyphSets[idx]);

-	glyphPriv->glyphSets[idx] = (GlyphSet)0;

-	return TRUE;

-    }

-

-    return FALSE;

-}

-

-/** Create \a glyphSet on the backend screen number \a idx. */

-int dmxBECreateGlyphSet(int idx, GlyphSetPtr glyphSet)

-{

-    XRenderPictFormat *pFormat;

-    DMXScreenInfo     *dmxScreen = &dmxScreens[idx];

-    dmxGlyphPrivPtr    glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);

-    PictFormatPtr      pFmt      = glyphSet->format;

-    int              (*oldErrorHandler)(Display *, XErrorEvent *);

-

-    pFormat = dmxFindFormat(dmxScreen, pFmt);

-    if (!pFormat) {

-	return BadMatch;

-    }

-

-    dmxGlyphLastError = 0;

-    oldErrorHandler = XSetErrorHandler(dmxGlyphErrorHandler);

-

-    /* Catch when this fails */

-    glyphPriv->glyphSets[idx]

-	= XRenderCreateGlyphSet(dmxScreen->beDisplay, pFormat);

-

-    XSetErrorHandler(oldErrorHandler);

-

-    if (dmxGlyphLastError) {

-	return dmxGlyphLastError;

-    }

-

-    return Success;

-}

-

-/** Create a Glyph Set on each screen.  Save the glyphset ID from each

- *  screen in the Glyph Set's private structure.  Fail if the format

- *  requested is not available or if the Glyph Set cannot be created on

- *  the screen. */

-static int dmxProcRenderCreateGlyphSet(ClientPtr client)

-{

-    int  ret;

-    REQUEST(xRenderCreateGlyphSetReq);

-

-    ret = dmxSaveRenderVector[stuff->renderReqType](client);

-

-    if (ret == Success) {

-	GlyphSetPtr        glyphSet;

-	dmxGlyphPrivPtr    glyphPriv;

-	int                i;

-

-	/* Look up glyphSet that was just created ???? */

-	/* Store glyphsets from backends in glyphSet->devPrivate ????? */

-	/* Make sure we handle all errors here!! */

-

-	dixLookupResourceByType((pointer*) &glyphSet,

-				stuff->gsid, GlyphSetType,

-				client, DixDestroyAccess);

-

-	glyphPriv = malloc(sizeof(dmxGlyphPrivRec));

-	if (!glyphPriv) return BadAlloc;

-        glyphPriv->glyphSets = NULL;

-        MAXSCREENSALLOC_RETURN(glyphPriv->glyphSets, BadAlloc);

-	DMX_SET_GLYPH_PRIV(glyphSet, glyphPriv);

-

-	for (i = 0; i < dmxNumScreens; i++) {

-	    DMXScreenInfo *dmxScreen = &dmxScreens[i];

-	    int beret;

-

-	    if (!dmxScreen->beDisplay) {

-		glyphPriv->glyphSets[i] = 0;

-		continue;

-	    }

-

-	    if ((beret = dmxBECreateGlyphSet(i, glyphSet)) != Success) {

-		int  j;

-

-		/* Free the glyph sets we've allocated thus far */

-		for (j = 0; j < i; j++)

-		    dmxBEFreeGlyphSet(screenInfo.screens[j], glyphSet);

-

-		/* Free the resource created by render */

-		FreeResource(stuff->gsid, RT_NONE);

-

-		return beret;

-	    }

-	}

-    }

-

-    return ret;

-}

-

-/** Free the previously allocated Glyph Sets for each screen. */

-static int dmxProcRenderFreeGlyphSet(ClientPtr client)

-{

-    GlyphSetPtr  glyphSet;

-    REQUEST(xRenderFreeGlyphSetReq);

-

-    REQUEST_SIZE_MATCH(xRenderFreeGlyphSetReq);

-    dixLookupResourceByType((pointer*) &glyphSet,

-			    stuff->glyphset, GlyphSetType,

-			    client, DixDestroyAccess);

-

-    if (glyphSet && glyphSet->refcnt == 1) {

-	dmxGlyphPrivPtr  glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);

-	int              i;

-

-	for (i = 0; i < dmxNumScreens; i++) {

-	    DMXScreenInfo *dmxScreen = &dmxScreens[i];

-	    

-	    if (dmxScreen->beDisplay) {

-		if (dmxBEFreeGlyphSet(screenInfo.screens[i], glyphSet))

-		    dmxSync(dmxScreen, FALSE);

-	    }

-	}

-

-        MAXSCREENSFREE(glyphPriv->glyphSets);

-	free(glyphPriv);

-	DMX_SET_GLYPH_PRIV(glyphSet, NULL);

-    }

-

-    return dmxSaveRenderVector[stuff->renderReqType](client);

-}

-

-/** Add glyphs to the Glyph Set on each screen. */

-static int dmxProcRenderAddGlyphs(ClientPtr client)

-{

-    int  ret;

-    REQUEST(xRenderAddGlyphsReq);

-

-    ret = dmxSaveRenderVector[stuff->renderReqType](client);

-

-    if (ret == Success) {

-	GlyphSetPtr      glyphSet;

-	dmxGlyphPrivPtr  glyphPriv;

-	int              i;

-	int              nglyphs;

-	CARD32          *gids;

-	Glyph           *gidsCopy;

-	xGlyphInfo      *gi;

-	CARD8           *bits;

-	int              nbytes;

-

-	dixLookupResourceByType((pointer*) &glyphSet,

-				stuff->glyphset, GlyphSetType,

-				client, DixReadAccess);

-	glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);

-

-	nglyphs = stuff->nglyphs;

-	gids = (CARD32 *)(stuff + 1);

-	gi = (xGlyphInfo *)(gids + nglyphs);

-	bits = (CARD8 *)(gi + nglyphs);

-	nbytes = ((stuff->length << 2) -

-		  sizeof(xRenderAddGlyphsReq) -

-		  (sizeof(CARD32) + sizeof(xGlyphInfo)) * nglyphs);

-

-        gidsCopy = malloc(sizeof(*gidsCopy) * nglyphs);

-        for (i = 0; i < nglyphs; i++) gidsCopy[i] = gids[i];

-

-	/* FIXME: Will this ever fail? */

-	for (i = 0; i < dmxNumScreens; i++) {

-	    DMXScreenInfo *dmxScreen = &dmxScreens[i];

-

-	    if (dmxScreen->beDisplay) {

-		XRenderAddGlyphs(dmxScreen->beDisplay,

-				 glyphPriv->glyphSets[i],

-				 gidsCopy,

-				 (XGlyphInfo *)gi,

-				 nglyphs,

-				 (char *)bits,

-				 nbytes);

-		dmxSync(dmxScreen, FALSE);

-	    }

-	}

-        free(gidsCopy);

-    }

-

-    return ret;

-}

-

-/** Free glyphs from the Glyph Set for each screen. */

-static int dmxProcRenderFreeGlyphs(ClientPtr client)

-{

-    GlyphSetPtr  glyphSet;

-    REQUEST(xRenderFreeGlyphsReq);

-

-    REQUEST_AT_LEAST_SIZE(xRenderFreeGlyphsReq);

-    dixLookupResourceByType((pointer*) &glyphSet,

-			    stuff->glyphset, GlyphSetType,

-			    client, DixWriteAccess);

-

-    if (glyphSet) {

-	dmxGlyphPrivPtr  glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);

-	int              i;

-	int              nglyphs;

-	Glyph           *gids;

-

-	nglyphs = ((client->req_len << 2) - sizeof(xRenderFreeGlyphsReq)) >> 2;

-	if (nglyphs) {

-            gids    = malloc(sizeof(*gids) * nglyphs);

-            for (i = 0; i < nglyphs; i++)

-                gids[i] = ((CARD32 *)(stuff + 1))[i];

-            

-	    for (i = 0; i < dmxNumScreens; i++) {

-		DMXScreenInfo *dmxScreen = &dmxScreens[i];

-

-		if (dmxScreen->beDisplay) {

-		    XRenderFreeGlyphs(dmxScreen->beDisplay,

-				      glyphPriv->glyphSets[i], gids, nglyphs);

-		    dmxSync(dmxScreen, FALSE);

-		}

-	    }

-            free(gids);

-	}

-    }

-

-    return dmxSaveRenderVector[stuff->renderReqType](client);

-}

-

-/** Composite glyphs on each screen into the requested picture.  If

- *  either the src or dest picture has not been allocated due to lazy

- *  window creation, this request will gracefully return. */

-static int dmxProcRenderCompositeGlyphs(ClientPtr client)

-{

-    int  ret;

-    REQUEST(xRenderCompositeGlyphsReq);

-

-    ret = dmxSaveRenderVector[stuff->renderReqType](client);

-

-    /* For the following to work with PanoramiX, it assumes that Render

-     * wraps the ProcRenderVector after dmxRenderInit has been called.

-     */

-    if (ret == Success) {

-	PicturePtr         pSrc;

-	dmxPictPrivPtr     pSrcPriv;

-	PicturePtr         pDst;

-	dmxPictPrivPtr     pDstPriv;

-	PictFormatPtr      pFmt;

-	XRenderPictFormat *pFormat;

-	int                size;

-

-	int                scrnNum;

-	DMXScreenInfo     *dmxScreen;

-

-	CARD8             *buffer;

-	CARD8             *end;

-	int                space;

-

-	int                nglyph;

-	char              *glyphs;

-	char              *curGlyph;

-

-	xGlyphElt         *elt;

-	int                nelt;

-	XGlyphElt8        *elts;

-	XGlyphElt8        *curElt;

-

-	GlyphSetPtr        glyphSet;

-	dmxGlyphPrivPtr    glyphPriv;

-

-	dixLookupResourceByType((pointer*) &pSrc,

-				stuff->src, PictureType,

-				client, DixReadAccess);

-

-	pSrcPriv = DMX_GET_PICT_PRIV(pSrc);

-	if (!pSrcPriv->pict)

-	    return ret;

-

-	dixLookupResourceByType((pointer*) &pDst,

-				stuff->dst, PictureType,

-				client, DixWriteAccess);

-

-	pDstPriv = DMX_GET_PICT_PRIV(pDst);

-	if (!pDstPriv->pict)

-	    return ret;

-

-	scrnNum = pDst->pDrawable->pScreen->myNum;

-	dmxScreen = &dmxScreens[scrnNum];

-

-	/* Note: If the back-end display has been detached, then it

-	 * should not be possible to reach here since the pSrcPriv->pict

-	 * and pDstPriv->pict will have already been set to 0.

-	 */

-	if (!dmxScreen->beDisplay)

-	    return ret;

-

-	if (stuff->maskFormat)

-	    dixLookupResourceByType((pointer*) &pFmt,

-				    stuff->maskFormat, PictFormatType,

-				    client, DixReadAccess);

-	else

-	    pFmt = NULL;

-

-	pFormat = dmxFindFormat(dmxScreen, pFmt);

-

-	switch (stuff->renderReqType) {

-	case X_RenderCompositeGlyphs8:  size = sizeof(CARD8);  break;

-	case X_RenderCompositeGlyphs16: size = sizeof(CARD16); break;

-	case X_RenderCompositeGlyphs32: size = sizeof(CARD32); break;

-        default:                        return BadPictOp; /* Can't happen */

-	}

-

-	buffer = (CARD8 *)(stuff + 1);

-	end = (CARD8 *)stuff + (stuff->length << 2);

-	nelt = 0;

-	nglyph = 0;

-	while (buffer + sizeof(xGlyphElt) < end) {

-	    elt = (xGlyphElt *)buffer;

-	    buffer += sizeof(xGlyphElt);

-

-	    if (elt->len == 0xff) {

-		buffer += 4;

-	    } else {

-		nelt++;

-		nglyph += elt->len;

-		space = size * elt->len;

-		if (space & 3) space += 4 - (space & 3);

-		buffer += space;

-	    }

-	}

-

-	/* The following only works for Render version > 0.2 */

-

-	/* All of the XGlyphElt* structure sizes are identical */

-	elts = malloc(nelt * sizeof(XGlyphElt8));

-	if (!elts)

-	    return BadAlloc;

-

-	glyphs = malloc(nglyph * size);

-	if (!glyphs) {

-	    free(elts);

-	    return BadAlloc;

-	}

-

-	buffer = (CARD8 *)(stuff + 1);

-	end = (CARD8 *)stuff + (stuff->length << 2);

-	curGlyph = glyphs;

-	curElt = elts;

-

-	dixLookupResourceByType((pointer*) &glyphSet,

-				stuff->glyphset, GlyphSetType,

-				client, DixReadAccess);

-	glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);

-

-	while (buffer + sizeof(xGlyphElt) < end) {

-	    elt = (xGlyphElt *)buffer;

-	    buffer += sizeof(xGlyphElt);

-

-	    if (elt->len == 0xff) {

-		dixLookupResourceByType((pointer*) &glyphSet,

-					*((CARD32 *)buffer),

-					GlyphSetType,

-					client,

-					DixReadAccess);

-		glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);

-		buffer += 4;

-	    } else {

-		curElt->glyphset = glyphPriv->glyphSets[scrnNum];

-		curElt->xOff = elt->deltax;

-		curElt->yOff = elt->deltay;

-		curElt->nchars = elt->len;

-		curElt->chars = curGlyph;

-

-		memcpy(curGlyph, buffer, size*elt->len);

-		curGlyph += size * elt->len;

-

-		curElt++;

-

-		space = size * elt->len;

-		if (space & 3) space += 4 - (space & 3);

-		buffer += space;

-	    }

-	}

-

-	switch (stuff->renderReqType) {

-	case X_RenderCompositeGlyphs8:

-	    XRenderCompositeText8(dmxScreen->beDisplay, stuff->op,

-				  pSrcPriv->pict, pDstPriv->pict,

-				  pFormat,

-				  stuff->xSrc, stuff->ySrc,

-				  0, 0, elts, nelt);

-	    break;

-	case X_RenderCompositeGlyphs16:

-	    XRenderCompositeText16(dmxScreen->beDisplay, stuff->op,

-				   pSrcPriv->pict, pDstPriv->pict,

-				   pFormat,

-				   stuff->xSrc, stuff->ySrc,

-				   0, 0, (XGlyphElt16 *)elts, nelt);

-	    break;

-	case X_RenderCompositeGlyphs32:

-	    XRenderCompositeText32(dmxScreen->beDisplay, stuff->op,

-				   pSrcPriv->pict, pDstPriv->pict,

-				   pFormat,

-				   stuff->xSrc, stuff->ySrc,

-				   0, 0, (XGlyphElt32 *)elts, nelt);

-	    break;

-	}

-

-	dmxSync(dmxScreen, FALSE);

-

-	free(elts);

-	free(glyphs);

-    }

-

-    return ret;

-}

-

-/** Set the picture transform on each screen. */

-static int dmxProcRenderSetPictureTransform(ClientPtr client)

-{

-    DMXScreenInfo  *dmxScreen;

-    PicturePtr      pPicture;

-    dmxPictPrivPtr  pPictPriv;

-    XTransform      xform;

-    REQUEST(xRenderSetPictureTransformReq);

-

-    REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq);

-    VERIFY_PICTURE(pPicture, stuff->picture, client, DixWriteAccess);

-

-    /* For the following to work with PanoramiX, it assumes that Render

-     * wraps the ProcRenderVector after dmxRenderInit has been called.

-     */

-    dmxScreen = &dmxScreens[pPicture->pDrawable->pScreen->myNum];

-    pPictPriv = DMX_GET_PICT_PRIV(pPicture);

-

-    if (pPictPriv->pict) {

-	xform.matrix[0][0] = stuff->transform.matrix11;

-	xform.matrix[0][1] = stuff->transform.matrix12;

-	xform.matrix[0][2] = stuff->transform.matrix13;

-	xform.matrix[1][0] = stuff->transform.matrix21;

-	xform.matrix[1][1] = stuff->transform.matrix22;

-	xform.matrix[1][2] = stuff->transform.matrix23;

-	xform.matrix[2][0] = stuff->transform.matrix31;

-	xform.matrix[2][1] = stuff->transform.matrix32;

-	xform.matrix[2][2] = stuff->transform.matrix33;

-

-	XRenderSetPictureTransform(dmxScreen->beDisplay,

-				   pPictPriv->pict,

-				   &xform);

-	dmxSync(dmxScreen, FALSE);

-    }

-

-    return dmxSaveRenderVector[stuff->renderReqType](client);

-}

-

-/** Set the picture filter on each screen. */

-static int dmxProcRenderSetPictureFilter(ClientPtr client)

-{

-    DMXScreenInfo  *dmxScreen;

-    PicturePtr      pPicture;

-    dmxPictPrivPtr  pPictPriv;

-    char           *filter;

-    XFixed         *params;

-    int             nparams;

-    REQUEST(xRenderSetPictureFilterReq);

-

-    REQUEST_AT_LEAST_SIZE(xRenderSetPictureFilterReq);

-    VERIFY_PICTURE(pPicture, stuff->picture, client, DixWriteAccess);

-

-    /* For the following to work with PanoramiX, it assumes that Render

-     * wraps the ProcRenderVector after dmxRenderInit has been called.

-     */

-    dmxScreen = &dmxScreens[pPicture->pDrawable->pScreen->myNum];

-    pPictPriv = DMX_GET_PICT_PRIV(pPicture);

-

-    if (pPictPriv->pict) {

-	filter  = (char *)(stuff + 1);

-	params  = (XFixed *)(filter + ((stuff->nbytes + 3) & ~3));

-	nparams = ((XFixed *)stuff + client->req_len) - params;

-

-	XRenderSetPictureFilter(dmxScreen->beDisplay,

-				pPictPriv->pict,

-				filter,

-				params,

-				nparams);

-	dmxSync(dmxScreen, FALSE);

-    }

-

-    return dmxSaveRenderVector[stuff->renderReqType](client);

-}

-

-

-/** Create a picture on the appropriate screen.  This is the actual

- *  function that creates the picture.  However, if the associated

- *  window has not yet been created due to lazy window creation, then

- *  delay the picture creation until the window is mapped. */

-static Picture dmxDoCreatePicture(PicturePtr pPicture)

-{

-    DrawablePtr               pDraw     = pPicture->pDrawable;

-    ScreenPtr                 pScreen   = pDraw->pScreen;

-    DMXScreenInfo            *dmxScreen = &dmxScreens[pScreen->myNum];

-    XRenderPictFormat        *pFormat;

-    Drawable                  draw;

-

-    if (pPicture->pDrawable->type == DRAWABLE_WINDOW) {

-	dmxWinPrivPtr  pWinPriv = DMX_GET_WINDOW_PRIV((WindowPtr)(pDraw));

-

-	if (!(draw = pWinPriv->window)) {

-	    /* Window has not been created yet due to the window

-	     * optimization.  Delay picture creation until window is

-	     * mapped.

-	     */

-	    pWinPriv->hasPict = TRUE;

-	    return 0;

-	}

-    } else {

-	dmxPixPrivPtr  pPixPriv = DMX_GET_PIXMAP_PRIV((PixmapPtr)(pDraw));

-

-	if (!(draw = pPixPriv->pixmap)) {

-	    /* FIXME: Zero width/height pixmap?? */

-	    return 0;

-	}

-    }

-

-    /* This should not be reached if the back-end display has been

-     * detached because the pWinPriv->window or the pPixPriv->pixmap

-     * will be NULL; however, we add it here for completeness

-     */

-    if (!dmxScreen->beDisplay)

-	return 0;

-

-    pFormat = dmxFindFormat(dmxScreen, pPicture->pFormat);

-

-    return XRenderCreatePicture(dmxScreen->beDisplay, draw, pFormat, 0, 0);

-}

-

-/** Create a list of pictures.  This function is called by

- *  dmxCreateAndRealizeWindow() during the lazy window creation

- *  realization process.  It creates the entire list of pictures that

- *  are associated with the given window. */

-void dmxCreatePictureList(WindowPtr pWindow)

-{

-    PicturePtr  pPicture = GetPictureWindow(pWindow);

-

-    while (pPicture) {

-	dmxPictPrivPtr  pPictPriv = DMX_GET_PICT_PRIV(pPicture);

-

-	/* Create the picture for this window */

-	pPictPriv->pict = dmxDoCreatePicture(pPicture);

-

-	/* ValidatePicture takes care of the state changes */

-

-	pPicture = pPicture->pNext;

-    }

-}

-

-/** Create \a pPicture on the backend. */

-int dmxBECreatePicture(PicturePtr pPicture)

-{

-    dmxPictPrivPtr    pPictPriv = DMX_GET_PICT_PRIV(pPicture);

-

-    /* Create picutre on BE */

-    pPictPriv->pict = dmxDoCreatePicture(pPicture);

-

-    /* Flush changes to the backend server */

-    dmxValidatePicture(pPicture, (1 << (CPLastBit+1)) - 1);

-

-    return Success;

-}

-

-/** Create a picture.  This function handles the CreatePicture

- *  unwrapping/wrapping and calls dmxDoCreatePicture to actually create

- *  the picture on the appropriate screen.  */

-int dmxCreatePicture(PicturePtr pPicture)

-{

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

-    DMXScreenInfo    *dmxScreen = &dmxScreens[pScreen->myNum];

-    PictureScreenPtr  ps        = GetPictureScreen(pScreen);

-    dmxPictPrivPtr    pPictPriv = DMX_GET_PICT_PRIV(pPicture);

-    int               ret       = Success;

-

-    DMX_UNWRAP(CreatePicture, dmxScreen, ps);

-#if 1

-    if (ps->CreatePicture)

-	ret = ps->CreatePicture(pPicture);

-#endif

-

-    /* Create picture on back-end server */

-    pPictPriv->pict      = dmxDoCreatePicture(pPicture);

-    pPictPriv->savedMask = 0;

-

-    DMX_WRAP(CreatePicture, dmxCreatePicture, dmxScreen, ps);

-

-    return ret;

-}

-

-/** Destroy \a pPicture on the back-end server. */

-Bool dmxBEFreePicture(PicturePtr pPicture)

-{

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

-    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];

-    dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);

-

-    if (pPictPriv->pict) {

-	XRenderFreePicture(dmxScreen->beDisplay, pPictPriv->pict);

-	pPictPriv->pict = (Picture)0;

-	return TRUE;

-    }

-

-    return FALSE;

-}

-

-/** Destroy a list of pictures that are associated with the window that

- *  is being destroyed.  This function is called by #dmxDestroyWindow().

- *  */

-Bool dmxDestroyPictureList(WindowPtr pWindow)

-{

-    PicturePtr  pPicture = GetPictureWindow(pWindow);

-    Bool        ret      = FALSE;

-

-    while (pPicture) {

-	ret |= dmxBEFreePicture(pPicture);

-	pPicture = pPicture->pNext;

-    }

-

-    return ret;

-}

-

-/** Destroy a picture.  This function calls the wrapped function that

- *  frees the resources in the DMX server associated with this

- *  picture. */

-void dmxDestroyPicture(PicturePtr pPicture)

-{

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

-    DMXScreenInfo    *dmxScreen = &dmxScreens[pScreen->myNum];

-    PictureScreenPtr  ps        = GetPictureScreen(pScreen);

-

-    DMX_UNWRAP(DestroyPicture, dmxScreen, ps);

-

-    /* Destroy picture on back-end server */

-    if (dmxBEFreePicture(pPicture))

-	dmxSync(dmxScreen, FALSE);

-

-#if 1

-    if (ps->DestroyPicture)

-	ps->DestroyPicture(pPicture);

-#endif

-    DMX_WRAP(DestroyPicture, dmxDestroyPicture, dmxScreen, ps);

-}

-

-/** Change the picture's list of clip rectangles. */

-int dmxChangePictureClip(PicturePtr pPicture, int clipType,

-			 pointer value, int n)

-{

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

-    DMXScreenInfo    *dmxScreen = &dmxScreens[pScreen->myNum];

-    PictureScreenPtr  ps        = GetPictureScreen(pScreen);

-    dmxPictPrivPtr    pPictPriv = DMX_GET_PICT_PRIV(pPicture);

-

-    DMX_UNWRAP(ChangePictureClip, dmxScreen, ps);

-#if 1

-    if (ps->ChangePictureClip)

-	ps->ChangePictureClip(pPicture, clipType, value, n);

-#endif

-

-    /* Change picture clip rects on back-end server */

-    if (pPictPriv->pict) {

-	/* The clip has already been changed into a region by the mi

-	 * routine called above.

-	 */

-	if (clipType == CT_NONE) {

-	    /* Disable clipping, show all */

-	    XFixesSetPictureClipRegion(dmxScreen->beDisplay,

-				       pPictPriv->pict, 0, 0, None);

-	} else if (pPicture->clientClip) {

-	    RegionPtr   pClip = pPicture->clientClip;

-	    BoxPtr      pBox  = RegionRects(pClip);

-	    int         nBox  = RegionNumRects(pClip);

-	    XRectangle *pRects;

-	    XRectangle *pRect;

-	    int         nRects;

-

-	    nRects = nBox;

-	    pRects = pRect = malloc(nRects * sizeof(*pRect));

-

-	    while (nBox--) {

-		pRect->x      = pBox->x1;

-		pRect->y      = pBox->y1;

-		pRect->width  = pBox->x2 - pBox->x1;

-		pRect->height = pBox->y2 - pBox->y1;

-		pBox++;

-		pRect++;

-	    }

-

-	    XRenderSetPictureClipRectangles(dmxScreen->beDisplay,

-					    pPictPriv->pict,

-					    0, 0,

-					    pRects,

-					    nRects);

-	    free(pRects);

-	} else {

-	    XRenderSetPictureClipRectangles(dmxScreen->beDisplay,

-					    pPictPriv->pict,

-					    0, 0, NULL, 0);

-	}

-	dmxSync(dmxScreen, FALSE);

-    } else {

-	/* FIXME: Handle saving clip region when offscreen */

-    }

-

-    DMX_WRAP(ChangePictureClip, dmxChangePictureClip, dmxScreen, ps);

-    

-    return Success;

-}

-

-/** Destroy the picture's list of clip rectangles. */

-void dmxDestroyPictureClip(PicturePtr pPicture)

-{

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

-    DMXScreenInfo    *dmxScreen = &dmxScreens[pScreen->myNum];

-    PictureScreenPtr  ps        = GetPictureScreen(pScreen);

-    dmxPictPrivPtr    pPictPriv = DMX_GET_PICT_PRIV(pPicture);

-

-    DMX_UNWRAP(DestroyPictureClip, dmxScreen, ps);

-#if 1

-    if (ps->DestroyPictureClip)

-	ps->DestroyPictureClip(pPicture);

-#endif

-

-    /* Destroy picture clip rects on back-end server */

-    if (pPictPriv->pict) {

-	XRenderSetPictureClipRectangles(dmxScreen->beDisplay,

-					pPictPriv->pict,

-					0, 0, NULL, 0);

-	dmxSync(dmxScreen, FALSE);

-    } else {

-	/* FIXME: Handle destroying clip region when offscreen */

-    }

-

-    DMX_WRAP(DestroyPictureClip, dmxDestroyPictureClip, dmxScreen, ps);

-}

-

-/** Change the attributes of the pictures.  If the picture has not yet

- *  been created due to lazy window creation, save the mask so that it

- *  can be used to appropriately initialize the picture's attributes

- *  when it is created later. */

-void dmxChangePicture(PicturePtr pPicture, Mask mask)

-{

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

-    DMXScreenInfo    *dmxScreen = &dmxScreens[pScreen->myNum];

-    PictureScreenPtr  ps        = GetPictureScreen(pScreen);

-    dmxPictPrivPtr    pPictPriv = DMX_GET_PICT_PRIV(pPicture);

-

-    DMX_UNWRAP(ChangePicture, dmxScreen, ps);

-#if 1

-    if (ps->ChangePicture)

-	ps->ChangePicture(pPicture, mask);

-#endif

-

-    /* Picture attribute changes are handled in ValidatePicture */

-    pPictPriv->savedMask |= mask;

-

-    DMX_WRAP(ChangePicture, dmxChangePicture, dmxScreen, ps);

-}

-

-/** Validate the picture's attributes before rendering to it.  Update

- *  any picture attributes that have been changed by one of the higher

- *  layers. */

-void dmxValidatePicture(PicturePtr pPicture, Mask mask)

-{

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

-    DMXScreenInfo    *dmxScreen = &dmxScreens[pScreen->myNum];

-    PictureScreenPtr  ps        = GetPictureScreen(pScreen);

-    dmxPictPrivPtr    pPictPriv = DMX_GET_PICT_PRIV(pPicture);

-

-    DMX_UNWRAP(ValidatePicture, dmxScreen, ps);

-

-    /* Change picture attributes on back-end server */

-    if (pPictPriv->pict) {

-	XRenderPictureAttributes  attribs;

-

-	if (mask & CPRepeat) {

-	    attribs.repeat = pPicture->repeatType;

-	}

-	if (mask & CPAlphaMap) {

-	    if (pPicture->alphaMap) {

-		dmxPictPrivPtr  pAlphaPriv;

-		pAlphaPriv = DMX_GET_PICT_PRIV(pPicture->alphaMap);

-		if (pAlphaPriv->pict) {

-		    attribs.alpha_map = pAlphaPriv->pict;

-		} else {

-		    /* FIXME: alpha picture drawable has not been created?? */

-		    return; /* or should this be: attribs.alpha_map = None; */

-		}

-	    } else {

-		attribs.alpha_map = None;

-	    }

-	}

-	if (mask & CPAlphaXOrigin)

-	    attribs.alpha_x_origin = pPicture->alphaOrigin.x;

-	if (mask & CPAlphaYOrigin)

-	    attribs.alpha_y_origin = pPicture->alphaOrigin.y;

-	if (mask & CPClipXOrigin)

-	    attribs.clip_x_origin = pPicture->clipOrigin.x;

-	if (mask & CPClipYOrigin)

-	    attribs.clip_y_origin = pPicture->clipOrigin.y;

-	if (mask & CPClipMask)

-	    mask &= ~CPClipMask; /* Handled in ChangePictureClip */

-	if (mask & CPGraphicsExposure)

-	    attribs.graphics_exposures = pPicture->graphicsExposures;

-	if (mask & CPSubwindowMode)

-	    attribs.subwindow_mode = pPicture->subWindowMode;

-	if (mask & CPPolyEdge)

-	    attribs.poly_edge = pPicture->polyEdge;

-	if (mask & CPPolyMode)

-	    attribs.poly_mode = pPicture->polyMode;

-	if (mask & CPComponentAlpha)

-	    attribs.component_alpha = pPicture->componentAlpha;

-

-	XRenderChangePicture(dmxScreen->beDisplay, pPictPriv->pict,

-			     mask, &attribs);

-	dmxSync(dmxScreen, FALSE);

-    } else {

-	pPictPriv->savedMask |= mask;

-    }

-

-#if 1

-    if (ps->ValidatePicture)

-	ps->ValidatePicture(pPicture, mask);

-#endif

-

-    DMX_WRAP(ValidatePicture, dmxValidatePicture, dmxScreen, ps);

-}

-

-/** Composite a picture on the appropriate screen by combining the

- *  specified rectangle of the transformed src and mask operands with

- *  the specified rectangle of the dst using op as the compositing

- *  operator.  For a complete description see the protocol document of

- *  the RENDER library. */

-void dmxComposite(CARD8 op,

-		  PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,

-		  INT16 xSrc, INT16 ySrc,

-		  INT16 xMask, INT16 yMask,

-		  INT16 xDst, INT16 yDst,

-		  CARD16 width, CARD16 height)

-{

-    ScreenPtr         pScreen   = pDst->pDrawable->pScreen;

-    DMXScreenInfo    *dmxScreen = &dmxScreens[pScreen->myNum];

-    PictureScreenPtr  ps        = GetPictureScreen(pScreen);

-    dmxPictPrivPtr    pSrcPriv  = DMX_GET_PICT_PRIV(pSrc);

-    dmxPictPrivPtr    pMaskPriv = NULL;

-    dmxPictPrivPtr    pDstPriv  = DMX_GET_PICT_PRIV(pDst);

-

-    if (pMask) pMaskPriv = DMX_GET_PICT_PRIV(pMask);

-

-    DMX_UNWRAP(Composite, dmxScreen, ps);

-#if 0

-    if (ps->Composite)

-	ps->Composite(op, pSrc, pMask, pDst,

-		      xSrc, ySrc, xMask, yMask, xDst, yDst,

-		      width, height);

-#endif

-

-    /* Composite on back-end server */

-    if (pSrcPriv->pict && pDstPriv->pict &&

-	((pMaskPriv && pMaskPriv->pict) || !pMaskPriv)) {

-	XRenderComposite(dmxScreen->beDisplay,

-			 op,

-			 pSrcPriv->pict,

-			 pMaskPriv ? pMaskPriv->pict : None,

-			 pDstPriv->pict,

-			 xSrc, ySrc,

-			 xMask, yMask,

-			 xDst, yDst,

-			 width, height);

-	dmxSync(dmxScreen, FALSE);

-    }

-

-

-    DMX_WRAP(Composite, dmxComposite, dmxScreen, ps);

-}

-

-/** Null function to catch when/if RENDER calls lower level mi hooks.

- *  Compositing glyphs is handled by dmxProcRenderCompositeGlyphs().

- *  This function should never be called. */

-void dmxGlyphs(CARD8 op,

-	       PicturePtr pSrc, PicturePtr pDst,

-	       PictFormatPtr maskFormat,

-	       INT16 xSrc, INT16 ySrc,

-	       int nlists, GlyphListPtr lists, GlyphPtr *glyphs)

-{

-    /* This won't work, so we need to wrap ProcRenderCompositeGlyphs */

-}

-

-/** Fill a rectangle on the appropriate screen by combining the color

- *  with the dest picture in the area specified by the list of

- *  rectangles.  For a complete description see the protocol document of

- *  the RENDER library. */

-void dmxCompositeRects(CARD8 op,

-		       PicturePtr pDst,

-		       xRenderColor *color,

-		       int nRect, xRectangle *rects)

-{

-    ScreenPtr         pScreen   = pDst->pDrawable->pScreen;

-    DMXScreenInfo    *dmxScreen = &dmxScreens[pScreen->myNum];

-    PictureScreenPtr  ps        = GetPictureScreen(pScreen);

-    dmxPictPrivPtr    pPictPriv = DMX_GET_PICT_PRIV(pDst);

-

-    DMX_UNWRAP(CompositeRects, dmxScreen, ps);

-#if 0

-    if (ps->CompositeRects)

-	ps->CompositeRects(op, pDst, color, nRect, rects);

-#endif

-

-    /* CompositeRects on back-end server */

-    if (pPictPriv->pict) {

-	XRenderFillRectangles(dmxScreen->beDisplay,

-			      op,

-			      pPictPriv->pict,

-			      (XRenderColor *)color,

-			      (XRectangle *)rects,

-			      nRect);

-	dmxSync(dmxScreen, FALSE);

-    }

-

-    DMX_WRAP(CompositeRects, dmxCompositeRects, dmxScreen, ps);

-}

-

-/** Indexed color visuals are not yet supported. */

-Bool dmxInitIndexed(ScreenPtr pScreen, PictFormatPtr pFormat)

-{

-    return TRUE;

-}

-

-/** Indexed color visuals are not yet supported. */

-void dmxCloseIndexed(ScreenPtr pScreen, PictFormatPtr pFormat)

-{

-}

-

-/** Indexed color visuals are not yet supported. */

-void dmxUpdateIndexed(ScreenPtr pScreen, PictFormatPtr pFormat,

-		      int ndef, xColorItem *pdef)

-{

-}

-

-/** Composite a list of trapezoids on the appropriate screen.  For a

- *  complete description see the protocol document of the RENDER

- *  library. */

-void dmxTrapezoids(CARD8 op, PicturePtr pSrc, PicturePtr pDst,

-		   PictFormatPtr maskFormat,

-		   INT16 xSrc, INT16 ySrc,

-		   int ntrap, xTrapezoid *traps)

-{

-    ScreenPtr         pScreen   = pDst->pDrawable->pScreen;

-    DMXScreenInfo    *dmxScreen = &dmxScreens[pScreen->myNum];

-    PictureScreenPtr  ps        = GetPictureScreen(pScreen);

-    dmxPictPrivPtr    pSrcPriv  = DMX_GET_PICT_PRIV(pSrc);

-    dmxPictPrivPtr    pDstPriv  = DMX_GET_PICT_PRIV(pDst);

-

-    DMX_UNWRAP(Trapezoids, dmxScreen, ps);

-#if 0

-    if (ps->Trapezoids)

-	ps->Trapezoids(op, pSrc, pDst, maskFormat, xSrc, ySrc, ntrap, *traps);

-#endif

-

-    /* Draw trapezoids on back-end server */

-    if (pDstPriv->pict) {

-	XRenderPictFormat *pFormat;

-

-	pFormat = dmxFindFormat(dmxScreen, maskFormat);

-	if (!pFormat) {

-	    /* FIXME: Error! */

-	}

-

-	XRenderCompositeTrapezoids(dmxScreen->beDisplay,

-				   op,

-				   pSrcPriv->pict,

-				   pDstPriv->pict,

-				   pFormat,

-				   xSrc, ySrc,

-				   (XTrapezoid *)traps,

-				   ntrap);

-	dmxSync(dmxScreen, FALSE);

-    }

-

-    DMX_WRAP(Trapezoids, dmxTrapezoids, dmxScreen, ps);

-}

-

-/** Composite a list of triangles on the appropriate screen.  For a

- *  complete description see the protocol document of the RENDER

- *  library. */

-void dmxTriangles(CARD8 op, PicturePtr pSrc, PicturePtr pDst,

-		  PictFormatPtr maskFormat,

-		  INT16 xSrc, INT16 ySrc,

-		  int ntri, xTriangle *tris)

-{

-    ScreenPtr         pScreen   = pDst->pDrawable->pScreen;

-    DMXScreenInfo    *dmxScreen = &dmxScreens[pScreen->myNum];

-    PictureScreenPtr  ps        = GetPictureScreen(pScreen);

-    dmxPictPrivPtr    pSrcPriv  = DMX_GET_PICT_PRIV(pSrc);

-    dmxPictPrivPtr    pDstPriv  = DMX_GET_PICT_PRIV(pDst);

-

-    DMX_UNWRAP(Triangles, dmxScreen, ps);

-#if 0

-    if (ps->Triangles)

-	ps->Triangles(op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, *tris);

-#endif

-

-    /* Draw trapezoids on back-end server */

-    if (pDstPriv->pict) {

-	XRenderPictFormat *pFormat;

-

-	pFormat = dmxFindFormat(dmxScreen, maskFormat);

-	if (!pFormat) {

-	    /* FIXME: Error! */

-	}

-

-	XRenderCompositeTriangles(dmxScreen->beDisplay,

-				  op,

-				  pSrcPriv->pict,

-				  pDstPriv->pict,

-				  pFormat,

-				  xSrc, ySrc,

-				  (XTriangle *)tris,

-				  ntri);

-	dmxSync(dmxScreen, FALSE);

-    }

-

-    DMX_WRAP(Triangles, dmxTriangles, dmxScreen, ps);

-}

+/*
+ * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
+ *
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation on the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * Authors:
+ *   Kevin E. Martin <kem@redhat.com>
+ *
+ */
+
+/** \file
+ *  Provide support for the RENDER extension (version 0.8).
+ */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "dmx.h"
+#include "dmxsync.h"
+#include "dmxpict.h"
+#include "dmxwindow.h"
+#include "dmxpixmap.h"
+
+#include "fb.h"
+#include "pixmapstr.h"
+#include "dixstruct.h"
+
+#include <X11/extensions/render.h>
+#include <X11/extensions/renderproto.h>
+#include <X11/extensions/Xfixes.h>
+#include "picture.h"
+#include "picturestr.h"
+#include "mipict.h"
+#include "fbpict.h"
+
+extern int RenderErrBase;
+extern int (*ProcRenderVector[RenderNumberRequests]) (ClientPtr);
+
+static int (*dmxSaveRenderVector[RenderNumberRequests]) (ClientPtr);
+
+static int dmxProcRenderCreateGlyphSet(ClientPtr client);
+static int dmxProcRenderFreeGlyphSet(ClientPtr client);
+static int dmxProcRenderAddGlyphs(ClientPtr client);
+static int dmxProcRenderFreeGlyphs(ClientPtr client);
+static int dmxProcRenderCompositeGlyphs(ClientPtr client);
+static int dmxProcRenderSetPictureTransform(ClientPtr client);
+static int dmxProcRenderSetPictureFilter(ClientPtr client);
+
+#if 0
+/* FIXME: Not (yet) supported */
+static int dmxProcRenderCreateCursor(ClientPtr client);
+static int dmxProcRenderCreateAnimCursor(ClientPtr client);
+#endif
+
+/** Catch errors that might occur when allocating Glyph Sets.  Errors
+ *  are saved in dmxGlyphLastError for later handling. */
+static int dmxGlyphLastError;
+static int
+dmxGlyphErrorHandler(Display * dpy, XErrorEvent * ev)
+{
+    dmxGlyphLastError = ev->error_code;
+    return 0;
+}
+
+/** Initialize the Proc Vector for the RENDER extension.  The functions
+ *  here cannot be handled by the mi layer RENDER hooks either because
+ *  the required information is no longer available when it reaches the
+ *  mi layer or no mi layer hooks exist.  This function is called from
+ *  InitOutput() since it should be initialized only once per server
+ *  generation. */
+void
+dmxInitRender(void)
+{
+    int i;
+
+    for (i = 0; i < RenderNumberRequests; i++)
+        dmxSaveRenderVector[i] = ProcRenderVector[i];
+
+    ProcRenderVector[X_RenderCreateGlyphSet]
+        = dmxProcRenderCreateGlyphSet;
+    ProcRenderVector[X_RenderFreeGlyphSet]
+        = dmxProcRenderFreeGlyphSet;
+    ProcRenderVector[X_RenderAddGlyphs]
+        = dmxProcRenderAddGlyphs;
+    ProcRenderVector[X_RenderFreeGlyphs]
+        = dmxProcRenderFreeGlyphs;
+    ProcRenderVector[X_RenderCompositeGlyphs8]
+        = dmxProcRenderCompositeGlyphs;
+    ProcRenderVector[X_RenderCompositeGlyphs16]
+        = dmxProcRenderCompositeGlyphs;
+    ProcRenderVector[X_RenderCompositeGlyphs32]
+        = dmxProcRenderCompositeGlyphs;
+    ProcRenderVector[X_RenderSetPictureTransform]
+        = dmxProcRenderSetPictureTransform;
+    ProcRenderVector[X_RenderSetPictureFilter]
+        = dmxProcRenderSetPictureFilter;
+}
+
+/** Reset the Proc Vector for the RENDER extension back to the original
+ *  functions.  This function is called from dmxCloseScreen() during the
+ *  server reset (only for screen #0). */
+void
+dmxResetRender(void)
+{
+    int i;
+
+    for (i = 0; i < RenderNumberRequests; i++)
+        ProcRenderVector[i] = dmxSaveRenderVector[i];
+}
+
+/** Initialize the RENDER extension, allocate the picture privates and
+ *  wrap mi function hooks.  If the shadow frame buffer is used, then
+ *  call the appropriate fb initialization function. */
+Bool
+dmxPictureInit(ScreenPtr pScreen, PictFormatPtr formats, int nformats)
+{
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    PictureScreenPtr ps;
+
+    /* The shadow framebuffer only relies on FB to be initialized */
+    if (dmxShadowFB)
+        return fbPictureInit(pScreen, formats, nformats);
+
+    if (!miPictureInit(pScreen, formats, nformats))
+        return FALSE;
+
+    if (!dixRegisterPrivateKey
+        (&dmxPictPrivateKeyRec, PRIVATE_PICTURE, sizeof(dmxPictPrivRec)))
+        return FALSE;
+
+    ps = GetPictureScreen(pScreen);
+
+    DMX_WRAP(CreatePicture, dmxCreatePicture, dmxScreen, ps);
+    DMX_WRAP(DestroyPicture, dmxDestroyPicture, dmxScreen, ps);
+
+    DMX_WRAP(ChangePictureClip, dmxChangePictureClip, dmxScreen, ps);
+    DMX_WRAP(DestroyPictureClip, dmxDestroyPictureClip, dmxScreen, ps);
+
+    DMX_WRAP(ChangePicture, dmxChangePicture, dmxScreen, ps);
+    DMX_WRAP(ValidatePicture, dmxValidatePicture, dmxScreen, ps);
+
+    DMX_WRAP(Composite, dmxComposite, dmxScreen, ps);
+    DMX_WRAP(Glyphs, dmxGlyphs, dmxScreen, ps);
+    DMX_WRAP(CompositeRects, dmxCompositeRects, dmxScreen, ps);
+
+    DMX_WRAP(Trapezoids, dmxTrapezoids, dmxScreen, ps);
+    DMX_WRAP(Triangles, dmxTriangles, dmxScreen, ps);
+
+    return TRUE;
+}
+
+/** Find the appropriate format on the requested screen given the
+ *  internal format requested.  The list of formats is searched
+ *  sequentially as the XRenderFindFormat() function does not always
+ *  find the appropriate format when a specific format is requested. */
+static XRenderPictFormat *
+dmxFindFormat(DMXScreenInfo * dmxScreen, PictFormatPtr pFmt)
+{
+    XRenderPictFormat *pFormat = NULL;
+    int i = 0;
+
+    if (!pFmt || !dmxScreen->beDisplay)
+        return pFormat;
+
+    while (1) {
+        pFormat = XRenderFindFormat(dmxScreen->beDisplay, 0, 0, i++);
+        if (!pFormat)
+            break;
+
+        if (pFormat->type != pFmt->type)
+            continue;
+        if (pFormat->depth != pFmt->depth)
+            continue;
+        if (pFormat->direct.red != pFmt->direct.red)
+            continue;
+        if (pFormat->direct.redMask != pFmt->direct.redMask)
+            continue;
+        if (pFormat->direct.green != pFmt->direct.green)
+            continue;
+        if (pFormat->direct.greenMask != pFmt->direct.greenMask)
+            continue;
+        if (pFormat->direct.blue != pFmt->direct.blue)
+            continue;
+        if (pFormat->direct.blueMask != pFmt->direct.blueMask)
+            continue;
+        if (pFormat->direct.alpha != pFmt->direct.alpha)
+            continue;
+        if (pFormat->direct.alphaMask != pFmt->direct.alphaMask)
+            continue;
+
+        /* We have a match! */
+        break;
+    }
+
+    return pFormat;
+}
+
+/** Free \a glyphSet on back-end screen number \a idx. */
+Bool
+dmxBEFreeGlyphSet(ScreenPtr pScreen, GlyphSetPtr glyphSet)
+{
+    dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
+    int idx = pScreen->myNum;
+    DMXScreenInfo *dmxScreen = &dmxScreens[idx];
+
+    if (glyphPriv->glyphSets[idx]) {
+        XRenderFreeGlyphSet(dmxScreen->beDisplay, glyphPriv->glyphSets[idx]);
+        glyphPriv->glyphSets[idx] = (GlyphSet) 0;
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+/** Create \a glyphSet on the backend screen number \a idx. */
+int
+dmxBECreateGlyphSet(int idx, GlyphSetPtr glyphSet)
+{
+    XRenderPictFormat *pFormat;
+    DMXScreenInfo *dmxScreen = &dmxScreens[idx];
+    dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
+    PictFormatPtr pFmt = glyphSet->format;
+    int (*oldErrorHandler) (Display *, XErrorEvent *);
+
+    pFormat = dmxFindFormat(dmxScreen, pFmt);
+    if (!pFormat) {
+        return BadMatch;
+    }
+
+    dmxGlyphLastError = 0;
+    oldErrorHandler = XSetErrorHandler(dmxGlyphErrorHandler);
+
+    /* Catch when this fails */
+    glyphPriv->glyphSets[idx]
+        = XRenderCreateGlyphSet(dmxScreen->beDisplay, pFormat);
+
+    XSetErrorHandler(oldErrorHandler);
+
+    if (dmxGlyphLastError) {
+        return dmxGlyphLastError;
+    }
+
+    return Success;
+}
+
+/** Create a Glyph Set on each screen.  Save the glyphset ID from each
+ *  screen in the Glyph Set's private structure.  Fail if the format
+ *  requested is not available or if the Glyph Set cannot be created on
+ *  the screen. */
+static int
+dmxProcRenderCreateGlyphSet(ClientPtr client)
+{
+    int ret;
+
+    REQUEST(xRenderCreateGlyphSetReq);
+
+    ret = dmxSaveRenderVector[stuff->renderReqType] (client);
+
+    if (ret == Success) {
+        GlyphSetPtr glyphSet;
+        dmxGlyphPrivPtr glyphPriv;
+        int i;
+
+        /* Look up glyphSet that was just created ???? */
+        /* Store glyphsets from backends in glyphSet->devPrivate ????? */
+        /* Make sure we handle all errors here!! */
+
+        dixLookupResourceByType((pointer *) &glyphSet,
+                                stuff->gsid, GlyphSetType,
+                                client, DixDestroyAccess);
+
+        glyphPriv = malloc(sizeof(dmxGlyphPrivRec));
+        if (!glyphPriv)
+            return BadAlloc;
+        glyphPriv->glyphSets = NULL;
+        MAXSCREENSALLOC_RETURN(glyphPriv->glyphSets, BadAlloc);
+        DMX_SET_GLYPH_PRIV(glyphSet, glyphPriv);
+
+        for (i = 0; i < dmxNumScreens; i++) {
+            DMXScreenInfo *dmxScreen = &dmxScreens[i];
+            int beret;
+
+            if (!dmxScreen->beDisplay) {
+                glyphPriv->glyphSets[i] = 0;
+                continue;
+            }
+
+            if ((beret = dmxBECreateGlyphSet(i, glyphSet)) != Success) {
+                int j;
+
+                /* Free the glyph sets we've allocated thus far */
+                for (j = 0; j < i; j++)
+                    dmxBEFreeGlyphSet(screenInfo.screens[j], glyphSet);
+
+                /* Free the resource created by render */
+                FreeResource(stuff->gsid, RT_NONE);
+
+                return beret;
+            }
+        }
+    }
+
+    return ret;
+}
+
+/** Free the previously allocated Glyph Sets for each screen. */
+static int
+dmxProcRenderFreeGlyphSet(ClientPtr client)
+{
+    GlyphSetPtr glyphSet;
+
+    REQUEST(xRenderFreeGlyphSetReq);
+
+    REQUEST_SIZE_MATCH(xRenderFreeGlyphSetReq);
+    dixLookupResourceByType((pointer *) &glyphSet,
+                            stuff->glyphset, GlyphSetType,
+                            client, DixDestroyAccess);
+
+    if (glyphSet && glyphSet->refcnt == 1) {
+        dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
+        int i;
+
+        for (i = 0; i < dmxNumScreens; i++) {
+            DMXScreenInfo *dmxScreen = &dmxScreens[i];
+
+            if (dmxScreen->beDisplay) {
+                if (dmxBEFreeGlyphSet(screenInfo.screens[i], glyphSet))
+                    dmxSync(dmxScreen, FALSE);
+            }
+        }
+
+        MAXSCREENSFREE(glyphPriv->glyphSets);
+        free(glyphPriv);
+        DMX_SET_GLYPH_PRIV(glyphSet, NULL);
+    }
+
+    return dmxSaveRenderVector[stuff->renderReqType] (client);
+}
+
+/** Add glyphs to the Glyph Set on each screen. */
+static int
+dmxProcRenderAddGlyphs(ClientPtr client)
+{
+    int ret;
+
+    REQUEST(xRenderAddGlyphsReq);
+
+    ret = dmxSaveRenderVector[stuff->renderReqType] (client);
+
+    if (ret == Success) {
+        GlyphSetPtr glyphSet;
+        dmxGlyphPrivPtr glyphPriv;
+        int i;
+        int nglyphs;
+        CARD32 *gids;
+        Glyph *gidsCopy;
+        xGlyphInfo *gi;
+        CARD8 *bits;
+        int nbytes;
+
+        dixLookupResourceByType((pointer *) &glyphSet,
+                                stuff->glyphset, GlyphSetType,
+                                client, DixReadAccess);
+        glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
+
+        nglyphs = stuff->nglyphs;
+        gids = (CARD32 *) (stuff + 1);
+        gi = (xGlyphInfo *) (gids + nglyphs);
+        bits = (CARD8 *) (gi + nglyphs);
+        nbytes = ((stuff->length << 2) -
+                  sizeof(xRenderAddGlyphsReq) -
+                  (sizeof(CARD32) + sizeof(xGlyphInfo)) * nglyphs);
+
+        gidsCopy = malloc(sizeof(*gidsCopy) * nglyphs);
+        for (i = 0; i < nglyphs; i++)
+            gidsCopy[i] = gids[i];
+
+        /* FIXME: Will this ever fail? */
+        for (i = 0; i < dmxNumScreens; i++) {
+            DMXScreenInfo *dmxScreen = &dmxScreens[i];
+
+            if (dmxScreen->beDisplay) {
+                XRenderAddGlyphs(dmxScreen->beDisplay,
+                                 glyphPriv->glyphSets[i],
+                                 gidsCopy,
+                                 (XGlyphInfo *) gi,
+                                 nglyphs, (char *) bits, nbytes);
+                dmxSync(dmxScreen, FALSE);
+            }
+        }
+        free(gidsCopy);
+    }
+
+    return ret;
+}
+
+/** Free glyphs from the Glyph Set for each screen. */
+static int
+dmxProcRenderFreeGlyphs(ClientPtr client)
+{
+    GlyphSetPtr glyphSet;
+
+    REQUEST(xRenderFreeGlyphsReq);
+
+    REQUEST_AT_LEAST_SIZE(xRenderFreeGlyphsReq);
+    dixLookupResourceByType((pointer *) &glyphSet,
+                            stuff->glyphset, GlyphSetType,
+                            client, DixWriteAccess);
+
+    if (glyphSet) {
+        dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
+        int i;
+        int nglyphs;
+        Glyph *gids;
+
+        nglyphs = ((client->req_len << 2) - sizeof(xRenderFreeGlyphsReq)) >> 2;
+        if (nglyphs) {
+            gids = malloc(sizeof(*gids) * nglyphs);
+            for (i = 0; i < nglyphs; i++)
+                gids[i] = ((CARD32 *) (stuff + 1))[i];
+
+            for (i = 0; i < dmxNumScreens; i++) {
+                DMXScreenInfo *dmxScreen = &dmxScreens[i];
+
+                if (dmxScreen->beDisplay) {
+                    XRenderFreeGlyphs(dmxScreen->beDisplay,
+                                      glyphPriv->glyphSets[i], gids, nglyphs);
+                    dmxSync(dmxScreen, FALSE);
+                }
+            }
+            free(gids);
+        }
+    }
+
+    return dmxSaveRenderVector[stuff->renderReqType] (client);
+}
+
+/** Composite glyphs on each screen into the requested picture.  If
+ *  either the src or dest picture has not been allocated due to lazy
+ *  window creation, this request will gracefully return. */
+static int
+dmxProcRenderCompositeGlyphs(ClientPtr client)
+{
+    int ret;
+
+    REQUEST(xRenderCompositeGlyphsReq);
+
+    ret = dmxSaveRenderVector[stuff->renderReqType] (client);
+
+    /* For the following to work with PanoramiX, it assumes that Render
+     * wraps the ProcRenderVector after dmxRenderInit has been called.
+     */
+    if (ret == Success) {
+        PicturePtr pSrc;
+        dmxPictPrivPtr pSrcPriv;
+        PicturePtr pDst;
+        dmxPictPrivPtr pDstPriv;
+        PictFormatPtr pFmt;
+        XRenderPictFormat *pFormat;
+        int size;
+
+        int scrnNum;
+        DMXScreenInfo *dmxScreen;
+
+        CARD8 *buffer;
+        CARD8 *end;
+        int space;
+
+        int nglyph;
+        char *glyphs;
+        char *curGlyph;
+
+        xGlyphElt *elt;
+        int nelt;
+        XGlyphElt8 *elts;
+        XGlyphElt8 *curElt;
+
+        GlyphSetPtr glyphSet;
+        dmxGlyphPrivPtr glyphPriv;
+
+        dixLookupResourceByType((pointer *) &pSrc,
+                                stuff->src, PictureType, client, DixReadAccess);
+
+        pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
+        if (!pSrcPriv->pict)
+            return ret;
+
+        dixLookupResourceByType((pointer *) &pDst,
+                                stuff->dst, PictureType,
+                                client, DixWriteAccess);
+
+        pDstPriv = DMX_GET_PICT_PRIV(pDst);
+        if (!pDstPriv->pict)
+            return ret;
+
+        scrnNum = pDst->pDrawable->pScreen->myNum;
+        dmxScreen = &dmxScreens[scrnNum];
+
+        /* Note: If the back-end display has been detached, then it
+         * should not be possible to reach here since the pSrcPriv->pict
+         * and pDstPriv->pict will have already been set to 0.
+         */
+        if (!dmxScreen->beDisplay)
+            return ret;
+
+        if (stuff->maskFormat)
+            dixLookupResourceByType((pointer *) &pFmt,
+                                    stuff->maskFormat, PictFormatType,
+                                    client, DixReadAccess);
+        else
+            pFmt = NULL;
+
+        pFormat = dmxFindFormat(dmxScreen, pFmt);
+
+        switch (stuff->renderReqType) {
+        case X_RenderCompositeGlyphs8:
+            size = sizeof(CARD8);
+            break;
+        case X_RenderCompositeGlyphs16:
+            size = sizeof(CARD16);
+            break;
+        case X_RenderCompositeGlyphs32:
+            size = sizeof(CARD32);
+            break;
+        default:
+            return BadPictOp;   /* Can't happen */
+        }
+
+        buffer = (CARD8 *) (stuff + 1);
+        end = (CARD8 *) stuff + (stuff->length << 2);
+        nelt = 0;
+        nglyph = 0;
+        while (buffer + sizeof(xGlyphElt) < end) {
+            elt = (xGlyphElt *) buffer;
+            buffer += sizeof(xGlyphElt);
+
+            if (elt->len == 0xff) {
+                buffer += 4;
+            }
+            else {
+                nelt++;
+                nglyph += elt->len;
+                space = size * elt->len;
+                if (space & 3)
+                    space += 4 - (space & 3);
+                buffer += space;
+            }
+        }
+
+        /* The following only works for Render version > 0.2 */
+
+        /* All of the XGlyphElt* structure sizes are identical */
+        elts = malloc(nelt * sizeof(XGlyphElt8));
+        if (!elts)
+            return BadAlloc;
+
+        glyphs = malloc(nglyph * size);
+        if (!glyphs) {
+            free(elts);
+            return BadAlloc;
+        }
+
+        buffer = (CARD8 *) (stuff + 1);
+        end = (CARD8 *) stuff + (stuff->length << 2);
+        curGlyph = glyphs;
+        curElt = elts;
+
+        dixLookupResourceByType((pointer *) &glyphSet,
+                                stuff->glyphset, GlyphSetType,
+                                client, DixReadAccess);
+        glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
+
+        while (buffer + sizeof(xGlyphElt) < end) {
+            elt = (xGlyphElt *) buffer;
+            buffer += sizeof(xGlyphElt);
+
+            if (elt->len == 0xff) {
+                dixLookupResourceByType((pointer *) &glyphSet,
+                                        *((CARD32 *) buffer),
+                                        GlyphSetType, client, DixReadAccess);
+                glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
+                buffer += 4;
+            }
+            else {
+                curElt->glyphset = glyphPriv->glyphSets[scrnNum];
+                curElt->xOff = elt->deltax;
+                curElt->yOff = elt->deltay;
+                curElt->nchars = elt->len;
+                curElt->chars = curGlyph;
+
+                memcpy(curGlyph, buffer, size * elt->len);
+                curGlyph += size * elt->len;
+
+                curElt++;
+
+                space = size * elt->len;
+                if (space & 3)
+                    space += 4 - (space & 3);
+                buffer += space;
+            }
+        }
+
+        switch (stuff->renderReqType) {
+        case X_RenderCompositeGlyphs8:
+            XRenderCompositeText8(dmxScreen->beDisplay, stuff->op,
+                                  pSrcPriv->pict, pDstPriv->pict,
+                                  pFormat,
+                                  stuff->xSrc, stuff->ySrc, 0, 0, elts, nelt);
+            break;
+        case X_RenderCompositeGlyphs16:
+            XRenderCompositeText16(dmxScreen->beDisplay, stuff->op,
+                                   pSrcPriv->pict, pDstPriv->pict,
+                                   pFormat,
+                                   stuff->xSrc, stuff->ySrc,
+                                   0, 0, (XGlyphElt16 *) elts, nelt);
+            break;
+        case X_RenderCompositeGlyphs32:
+            XRenderCompositeText32(dmxScreen->beDisplay, stuff->op,
+                                   pSrcPriv->pict, pDstPriv->pict,
+                                   pFormat,
+                                   stuff->xSrc, stuff->ySrc,
+                                   0, 0, (XGlyphElt32 *) elts, nelt);
+            break;
+        }
+
+        dmxSync(dmxScreen, FALSE);
+
+        free(elts);
+        free(glyphs);
+    }
+
+    return ret;
+}
+
+/** Set the picture transform on each screen. */
+static int
+dmxProcRenderSetPictureTransform(ClientPtr client)
+{
+    DMXScreenInfo *dmxScreen;
+    PicturePtr pPicture;
+    dmxPictPrivPtr pPictPriv;
+    XTransform xform;
+
+    REQUEST(xRenderSetPictureTransformReq);
+
+    REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq);
+    VERIFY_PICTURE(pPicture, stuff->picture, client, DixWriteAccess);
+
+    /* For the following to work with PanoramiX, it assumes that Render
+     * wraps the ProcRenderVector after dmxRenderInit has been called.
+     */
+    dmxScreen = &dmxScreens[pPicture->pDrawable->pScreen->myNum];
+    pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+    if (pPictPriv->pict) {
+        xform.matrix[0][0] = stuff->transform.matrix11;
+        xform.matrix[0][1] = stuff->transform.matrix12;
+        xform.matrix[0][2] = stuff->transform.matrix13;
+        xform.matrix[1][0] = stuff->transform.matrix21;
+        xform.matrix[1][1] = stuff->transform.matrix22;
+        xform.matrix[1][2] = stuff->transform.matrix23;
+        xform.matrix[2][0] = stuff->transform.matrix31;
+        xform.matrix[2][1] = stuff->transform.matrix32;
+        xform.matrix[2][2] = stuff->transform.matrix33;
+
+        XRenderSetPictureTransform(dmxScreen->beDisplay,
+                                   pPictPriv->pict, &xform);
+        dmxSync(dmxScreen, FALSE);
+    }
+
+    return dmxSaveRenderVector[stuff->renderReqType] (client);
+}
+
+/** Set the picture filter on each screen. */
+static int
+dmxProcRenderSetPictureFilter(ClientPtr client)
+{
+    DMXScreenInfo *dmxScreen;
+    PicturePtr pPicture;
+    dmxPictPrivPtr pPictPriv;
+    char *filter;
+    XFixed *params;
+    int nparams;
+
+    REQUEST(xRenderSetPictureFilterReq);
+
+    REQUEST_AT_LEAST_SIZE(xRenderSetPictureFilterReq);
+    VERIFY_PICTURE(pPicture, stuff->picture, client, DixWriteAccess);
+
+    /* For the following to work with PanoramiX, it assumes that Render
+     * wraps the ProcRenderVector after dmxRenderInit has been called.
+     */
+    dmxScreen = &dmxScreens[pPicture->pDrawable->pScreen->myNum];
+    pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+    if (pPictPriv->pict) {
+        filter = (char *) (stuff + 1);
+        params = (XFixed *) (filter + ((stuff->nbytes + 3) & ~3));
+        nparams = ((XFixed *) stuff + client->req_len) - params;
+
+        XRenderSetPictureFilter(dmxScreen->beDisplay,
+                                pPictPriv->pict, filter, params, nparams);
+        dmxSync(dmxScreen, FALSE);
+    }
+
+    return dmxSaveRenderVector[stuff->renderReqType] (client);
+}
+
+/** Create a picture on the appropriate screen.  This is the actual
+ *  function that creates the picture.  However, if the associated
+ *  window has not yet been created due to lazy window creation, then
+ *  delay the picture creation until the window is mapped. */
+static Picture
+dmxDoCreatePicture(PicturePtr pPicture)
+{
+    DrawablePtr pDraw = pPicture->pDrawable;
+    ScreenPtr pScreen = pDraw->pScreen;
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    XRenderPictFormat *pFormat;
+    Drawable draw;
+
+    if (pPicture->pDrawable->type == DRAWABLE_WINDOW) {
+        dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV((WindowPtr) (pDraw));
+
+        if (!(draw = pWinPriv->window)) {
+            /* Window has not been created yet due to the window
+             * optimization.  Delay picture creation until window is
+             * mapped.
+             */
+            pWinPriv->hasPict = TRUE;
+            return 0;
+        }
+    }
+    else {
+        dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV((PixmapPtr) (pDraw));
+
+        if (!(draw = pPixPriv->pixmap)) {
+            /* FIXME: Zero width/height pixmap?? */
+            return 0;
+        }
+    }
+
+    /* This should not be reached if the back-end display has been
+     * detached because the pWinPriv->window or the pPixPriv->pixmap
+     * will be NULL; however, we add it here for completeness
+     */
+    if (!dmxScreen->beDisplay)
+        return 0;
+
+    pFormat = dmxFindFormat(dmxScreen, pPicture->pFormat);
+
+    return XRenderCreatePicture(dmxScreen->beDisplay, draw, pFormat, 0, 0);
+}
+
+/** Create a list of pictures.  This function is called by
+ *  dmxCreateAndRealizeWindow() during the lazy window creation
+ *  realization process.  It creates the entire list of pictures that
+ *  are associated with the given window. */
+void
+dmxCreatePictureList(WindowPtr pWindow)
+{
+    PicturePtr pPicture = GetPictureWindow(pWindow);
+
+    while (pPicture) {
+        dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+        /* Create the picture for this window */
+        pPictPriv->pict = dmxDoCreatePicture(pPicture);
+
+        /* ValidatePicture takes care of the state changes */
+
+        pPicture = pPicture->pNext;
+    }
+}
+
+/** Create \a pPicture on the backend. */
+int
+dmxBECreatePicture(PicturePtr pPicture)
+{
+    dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+    /* Create picutre on BE */
+    pPictPriv->pict = dmxDoCreatePicture(pPicture);
+
+    /* Flush changes to the backend server */
+    dmxValidatePicture(pPicture, (1 << (CPLastBit + 1)) - 1);
+
+    return Success;
+}
+
+/** Create a picture.  This function handles the CreatePicture
+ *  unwrapping/wrapping and calls dmxDoCreatePicture to actually create
+ *  the picture on the appropriate screen.  */
+int
+dmxCreatePicture(PicturePtr pPicture)
+{
+    ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    PictureScreenPtr ps = GetPictureScreen(pScreen);
+    dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+    int ret = Success;
+
+    DMX_UNWRAP(CreatePicture, dmxScreen, ps);
+#if 1
+    if (ps->CreatePicture)
+        ret = ps->CreatePicture(pPicture);
+#endif
+
+    /* Create picture on back-end server */
+    pPictPriv->pict = dmxDoCreatePicture(pPicture);
+    pPictPriv->savedMask = 0;
+
+    DMX_WRAP(CreatePicture, dmxCreatePicture, dmxScreen, ps);
+
+    return ret;
+}
+
+/** Destroy \a pPicture on the back-end server. */
+Bool
+dmxBEFreePicture(PicturePtr pPicture)
+{
+    ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+    if (pPictPriv->pict) {
+        XRenderFreePicture(dmxScreen->beDisplay, pPictPriv->pict);
+        pPictPriv->pict = (Picture) 0;
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+/** Destroy a list of pictures that are associated with the window that
+ *  is being destroyed.  This function is called by #dmxDestroyWindow().
+ *  */
+Bool
+dmxDestroyPictureList(WindowPtr pWindow)
+{
+    PicturePtr pPicture = GetPictureWindow(pWindow);
+    Bool ret = FALSE;
+
+    while (pPicture) {
+        ret |= dmxBEFreePicture(pPicture);
+        pPicture = pPicture->pNext;
+    }
+
+    return ret;
+}
+
+/** Destroy a picture.  This function calls the wrapped function that
+ *  frees the resources in the DMX server associated with this
+ *  picture. */
+void
+dmxDestroyPicture(PicturePtr pPicture)
+{
+    ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    PictureScreenPtr ps = GetPictureScreen(pScreen);
+
+    DMX_UNWRAP(DestroyPicture, dmxScreen, ps);
+
+    /* Destroy picture on back-end server */
+    if (dmxBEFreePicture(pPicture))
+        dmxSync(dmxScreen, FALSE);
+
+#if 1
+    if (ps->DestroyPicture)
+        ps->DestroyPicture(pPicture);
+#endif
+    DMX_WRAP(DestroyPicture, dmxDestroyPicture, dmxScreen, ps);
+}
+
+/** Change the picture's list of clip rectangles. */
+int
+dmxChangePictureClip(PicturePtr pPicture, int clipType, pointer value, int n)
+{
+    ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    PictureScreenPtr ps = GetPictureScreen(pScreen);
+    dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+    DMX_UNWRAP(ChangePictureClip, dmxScreen, ps);
+#if 1
+    if (ps->ChangePictureClip)
+        ps->ChangePictureClip(pPicture, clipType, value, n);
+#endif
+
+    /* Change picture clip rects on back-end server */
+    if (pPictPriv->pict) {
+        /* The clip has already been changed into a region by the mi
+         * routine called above.
+         */
+        if (clipType == CT_NONE) {
+            /* Disable clipping, show all */
+            XFixesSetPictureClipRegion(dmxScreen->beDisplay,
+                                       pPictPriv->pict, 0, 0, None);
+        }
+        else if (pPicture->clientClip) {
+            RegionPtr pClip = pPicture->clientClip;
+            BoxPtr pBox = RegionRects(pClip);
+            int nBox = RegionNumRects(pClip);
+            XRectangle *pRects;
+            XRectangle *pRect;
+            int nRects;
+
+            nRects = nBox;
+            pRects = pRect = malloc(nRects * sizeof(*pRect));
+
+            while (nBox--) {
+                pRect->x = pBox->x1;
+                pRect->y = pBox->y1;
+                pRect->width = pBox->x2 - pBox->x1;
+                pRect->height = pBox->y2 - pBox->y1;
+                pBox++;
+                pRect++;
+            }
+
+            XRenderSetPictureClipRectangles(dmxScreen->beDisplay,
+                                            pPictPriv->pict,
+                                            0, 0, pRects, nRects);
+            free(pRects);
+        }
+        else {
+            XRenderSetPictureClipRectangles(dmxScreen->beDisplay,
+                                            pPictPriv->pict, 0, 0, NULL, 0);
+        }
+        dmxSync(dmxScreen, FALSE);
+    }
+    else {
+        /* FIXME: Handle saving clip region when offscreen */
+    }
+
+    DMX_WRAP(ChangePictureClip, dmxChangePictureClip, dmxScreen, ps);
+
+    return Success;
+}
+
+/** Destroy the picture's list of clip rectangles. */
+void
+dmxDestroyPictureClip(PicturePtr pPicture)
+{
+    ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    PictureScreenPtr ps = GetPictureScreen(pScreen);
+    dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+    DMX_UNWRAP(DestroyPictureClip, dmxScreen, ps);
+#if 1
+    if (ps->DestroyPictureClip)
+        ps->DestroyPictureClip(pPicture);
+#endif
+
+    /* Destroy picture clip rects on back-end server */
+    if (pPictPriv->pict) {
+        XRenderSetPictureClipRectangles(dmxScreen->beDisplay,
+                                        pPictPriv->pict, 0, 0, NULL, 0);
+        dmxSync(dmxScreen, FALSE);
+    }
+    else {
+        /* FIXME: Handle destroying clip region when offscreen */
+    }
+
+    DMX_WRAP(DestroyPictureClip, dmxDestroyPictureClip, dmxScreen, ps);
+}
+
+/** Change the attributes of the pictures.  If the picture has not yet
+ *  been created due to lazy window creation, save the mask so that it
+ *  can be used to appropriately initialize the picture's attributes
+ *  when it is created later. */
+void
+dmxChangePicture(PicturePtr pPicture, Mask mask)
+{
+    ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    PictureScreenPtr ps = GetPictureScreen(pScreen);
+    dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+    DMX_UNWRAP(ChangePicture, dmxScreen, ps);
+#if 1
+    if (ps->ChangePicture)
+        ps->ChangePicture(pPicture, mask);
+#endif
+
+    /* Picture attribute changes are handled in ValidatePicture */
+    pPictPriv->savedMask |= mask;
+
+    DMX_WRAP(ChangePicture, dmxChangePicture, dmxScreen, ps);
+}
+
+/** Validate the picture's attributes before rendering to it.  Update
+ *  any picture attributes that have been changed by one of the higher
+ *  layers. */
+void
+dmxValidatePicture(PicturePtr pPicture, Mask mask)
+{
+    ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    PictureScreenPtr ps = GetPictureScreen(pScreen);
+    dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+    DMX_UNWRAP(ValidatePicture, dmxScreen, ps);
+
+    /* Change picture attributes on back-end server */
+    if (pPictPriv->pict) {
+        XRenderPictureAttributes attribs;
+
+        if (mask & CPRepeat) {
+            attribs.repeat = pPicture->repeatType;
+        }
+        if (mask & CPAlphaMap) {
+            if (pPicture->alphaMap) {
+                dmxPictPrivPtr pAlphaPriv;
+
+                pAlphaPriv = DMX_GET_PICT_PRIV(pPicture->alphaMap);
+                if (pAlphaPriv->pict) {
+                    attribs.alpha_map = pAlphaPriv->pict;
+                }
+                else {
+                    /* FIXME: alpha picture drawable has not been created?? */
+                    return;     /* or should this be: attribs.alpha_map = None; */
+                }
+            }
+            else {
+                attribs.alpha_map = None;
+            }
+        }
+        if (mask & CPAlphaXOrigin)
+            attribs.alpha_x_origin = pPicture->alphaOrigin.x;
+        if (mask & CPAlphaYOrigin)
+            attribs.alpha_y_origin = pPicture->alphaOrigin.y;
+        if (mask & CPClipXOrigin)
+            attribs.clip_x_origin = pPicture->clipOrigin.x;
+        if (mask & CPClipYOrigin)
+            attribs.clip_y_origin = pPicture->clipOrigin.y;
+        if (mask & CPClipMask)
+            mask &= ~CPClipMask;        /* Handled in ChangePictureClip */
+        if (mask & CPGraphicsExposure)
+            attribs.graphics_exposures = pPicture->graphicsExposures;
+        if (mask & CPSubwindowMode)
+            attribs.subwindow_mode = pPicture->subWindowMode;
+        if (mask & CPPolyEdge)
+            attribs.poly_edge = pPicture->polyEdge;
+        if (mask & CPPolyMode)
+            attribs.poly_mode = pPicture->polyMode;
+        if (mask & CPComponentAlpha)
+            attribs.component_alpha = pPicture->componentAlpha;
+
+        XRenderChangePicture(dmxScreen->beDisplay, pPictPriv->pict,
+                             mask, &attribs);
+        dmxSync(dmxScreen, FALSE);
+    }
+    else {
+        pPictPriv->savedMask |= mask;
+    }
+
+#if 1
+    if (ps->ValidatePicture)
+        ps->ValidatePicture(pPicture, mask);
+#endif
+
+    DMX_WRAP(ValidatePicture, dmxValidatePicture, dmxScreen, ps);
+}
+
+/** Composite a picture on the appropriate screen by combining the
+ *  specified rectangle of the transformed src and mask operands with
+ *  the specified rectangle of the dst using op as the compositing
+ *  operator.  For a complete description see the protocol document of
+ *  the RENDER library. */
+void
+dmxComposite(CARD8 op,
+             PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
+             INT16 xSrc, INT16 ySrc,
+             INT16 xMask, INT16 yMask,
+             INT16 xDst, INT16 yDst, CARD16 width, CARD16 height)
+{
+    ScreenPtr pScreen = pDst->pDrawable->pScreen;
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    PictureScreenPtr ps = GetPictureScreen(pScreen);
+    dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
+    dmxPictPrivPtr pMaskPriv = NULL;
+    dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst);
+
+    if (pMask)
+        pMaskPriv = DMX_GET_PICT_PRIV(pMask);
+
+    DMX_UNWRAP(Composite, dmxScreen, ps);
+#if 0
+    if (ps->Composite)
+        ps->Composite(op, pSrc, pMask, pDst,
+                      xSrc, ySrc, xMask, yMask, xDst, yDst, width, height);
+#endif
+
+    /* Composite on back-end server */
+    if (pSrcPriv->pict && pDstPriv->pict &&
+        ((pMaskPriv && pMaskPriv->pict) || !pMaskPriv)) {
+        XRenderComposite(dmxScreen->beDisplay,
+                         op,
+                         pSrcPriv->pict,
+                         pMaskPriv ? pMaskPriv->pict : None,
+                         pDstPriv->pict,
+                         xSrc, ySrc, xMask, yMask, xDst, yDst, width, height);
+        dmxSync(dmxScreen, FALSE);
+    }
+
+    DMX_WRAP(Composite, dmxComposite, dmxScreen, ps);
+}
+
+/** Null function to catch when/if RENDER calls lower level mi hooks.
+ *  Compositing glyphs is handled by dmxProcRenderCompositeGlyphs().
+ *  This function should never be called. */
+void
+dmxGlyphs(CARD8 op,
+          PicturePtr pSrc, PicturePtr pDst,
+          PictFormatPtr maskFormat,
+          INT16 xSrc, INT16 ySrc,
+          int nlists, GlyphListPtr lists, GlyphPtr * glyphs)
+{
+    /* This won't work, so we need to wrap ProcRenderCompositeGlyphs */
+}
+
+/** Fill a rectangle on the appropriate screen by combining the color
+ *  with the dest picture in the area specified by the list of
+ *  rectangles.  For a complete description see the protocol document of
+ *  the RENDER library. */
+void
+dmxCompositeRects(CARD8 op,
+                  PicturePtr pDst,
+                  xRenderColor * color, int nRect, xRectangle *rects)
+{
+    ScreenPtr pScreen = pDst->pDrawable->pScreen;
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    PictureScreenPtr ps = GetPictureScreen(pScreen);
+    dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pDst);
+
+    DMX_UNWRAP(CompositeRects, dmxScreen, ps);
+#if 0
+    if (ps->CompositeRects)
+        ps->CompositeRects(op, pDst, color, nRect, rects);
+#endif
+
+    /* CompositeRects on back-end server */
+    if (pPictPriv->pict) {
+        XRenderFillRectangles(dmxScreen->beDisplay,
+                              op,
+                              pPictPriv->pict,
+                              (XRenderColor *) color,
+                              (XRectangle *) rects, nRect);
+        dmxSync(dmxScreen, FALSE);
+    }
+
+    DMX_WRAP(CompositeRects, dmxCompositeRects, dmxScreen, ps);
+}
+
+/** Indexed color visuals are not yet supported. */
+Bool
+dmxInitIndexed(ScreenPtr pScreen, PictFormatPtr pFormat)
+{
+    return TRUE;
+}
+
+/** Indexed color visuals are not yet supported. */
+void
+dmxCloseIndexed(ScreenPtr pScreen, PictFormatPtr pFormat)
+{
+}
+
+/** Indexed color visuals are not yet supported. */
+void
+dmxUpdateIndexed(ScreenPtr pScreen, PictFormatPtr pFormat,
+                 int ndef, xColorItem * pdef)
+{
+}
+
+/** Composite a list of trapezoids on the appropriate screen.  For a
+ *  complete description see the protocol document of the RENDER
+ *  library. */
+void
+dmxTrapezoids(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+              PictFormatPtr maskFormat,
+              INT16 xSrc, INT16 ySrc, int ntrap, xTrapezoid * traps)
+{
+    ScreenPtr pScreen = pDst->pDrawable->pScreen;
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    PictureScreenPtr ps = GetPictureScreen(pScreen);
+    dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
+    dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst);
+
+    DMX_UNWRAP(Trapezoids, dmxScreen, ps);
+#if 0
+    if (ps->Trapezoids)
+        ps->Trapezoids(op, pSrc, pDst, maskFormat, xSrc, ySrc, ntrap, *traps);
+#endif
+
+    /* Draw trapezoids on back-end server */
+    if (pDstPriv->pict) {
+        XRenderPictFormat *pFormat;
+
+        pFormat = dmxFindFormat(dmxScreen, maskFormat);
+        if (!pFormat) {
+            /* FIXME: Error! */
+        }
+
+        XRenderCompositeTrapezoids(dmxScreen->beDisplay,
+                                   op,
+                                   pSrcPriv->pict,
+                                   pDstPriv->pict,
+                                   pFormat,
+                                   xSrc, ySrc, (XTrapezoid *) traps, ntrap);
+        dmxSync(dmxScreen, FALSE);
+    }
+
+    DMX_WRAP(Trapezoids, dmxTrapezoids, dmxScreen, ps);
+}
+
+/** Composite a list of triangles on the appropriate screen.  For a
+ *  complete description see the protocol document of the RENDER
+ *  library. */
+void
+dmxTriangles(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+             PictFormatPtr maskFormat,
+             INT16 xSrc, INT16 ySrc, int ntri, xTriangle * tris)
+{
+    ScreenPtr pScreen = pDst->pDrawable->pScreen;
+    DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+    PictureScreenPtr ps = GetPictureScreen(pScreen);
+    dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
+    dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst);
+
+    DMX_UNWRAP(Triangles, dmxScreen, ps);
+#if 0
+    if (ps->Triangles)
+        ps->Triangles(op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, *tris);
+#endif
+
+    /* Draw trapezoids on back-end server */
+    if (pDstPriv->pict) {
+        XRenderPictFormat *pFormat;
+
+        pFormat = dmxFindFormat(dmxScreen, maskFormat);
+        if (!pFormat) {
+            /* FIXME: Error! */
+        }
+
+        XRenderCompositeTriangles(dmxScreen->beDisplay,
+                                  op,
+                                  pSrcPriv->pict,
+                                  pDstPriv->pict,
+                                  pFormat,
+                                  xSrc, ySrc, (XTriangle *) tris, ntri);
+        dmxSync(dmxScreen, FALSE);
+    }
+
+    DMX_WRAP(Triangles, dmxTriangles, dmxScreen, ps);
+}