Merge remote-tracking branch 'origin/released'

Conflicts:
	mesalib/common.py
	mesalib/docs/GL3.txt
	mesalib/scons/custom.py
	mesalib/scons/gallium.py
	mesalib/src/SConscript
	xorg-server/Xext/xtest.c
	xorg-server/dix/getevents.c
	xorg-server/dix/window.c
	xorg-server/exa/exa_accel.c
	xorg-server/exa/exa_migration_classic.c
	xorg-server/exa/exa_unaccel.c
	xorg-server/hw/kdrive/ephyr/ephyr.c
	xorg-server/hw/kdrive/ephyr/ephyr.h
	xorg-server/hw/kdrive/ephyr/ephyrinit.c
	xorg-server/hw/kdrive/ephyr/hostx.c
	xorg-server/hw/kdrive/src/kdrive.h
	xorg-server/hw/kdrive/src/kinput.c
	xorg-server/hw/xfree86/common/xf86Init.c
	xorg-server/hw/xfree86/dri2/dri2.c
	xorg-server/hw/xnest/Init.c
	xorg-server/hw/xquartz/darwin.c
	xorg-server/hw/xquartz/darwinEvents.c
	xorg-server/hw/xquartz/darwinEvents.h
	xorg-server/hw/xquartz/darwinXinput.c
	xorg-server/hw/xwin/InitInput.c
	xorg-server/include/input.h
	xorg-server/include/window.h
	xorg-server/mi/mipointer.c
	xorg-server/test/Makefile.am
	xorg-server/test/xi2/protocol-eventconvert.c

1 files changed, 1306 insertions, 1306 deletions

diff --git a/xorg-server/exa/exa_accel.c b/xorg-server/exa/exa_accel.c
index b81d843f9..3917621e1 100644
--- a/xorg-server/exa/exa_accel.c
+++ b/xorg-server/exa/exa_accel.c
@@ -1,1306 +1,1306 @@
-/*

- * Copyright © 2001 Keith Packard

- *

- * Partly based on code that is Copyright © The XFree86 Project Inc.

- *

- * Permission to use, copy, modify, distribute, and sell this software and its

- * documentation for any purpose is hereby granted without fee, provided that

- * the above copyright notice appear in all copies and that both that

- * copyright notice and this permission notice appear in supporting

- * documentation, and that the name of Keith Packard not be used in

- * advertising or publicity pertaining to distribution of the software without

- * specific, written prior permission.  Keith Packard makes no

- * representations about the suitability of this software for any purpose.  It

- * is provided "as is" without express or implied warranty.

- *

- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR

- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,

- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER

- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR

- * PERFORMANCE OF THIS SOFTWARE.

- *

- * Authors:

- *    Eric Anholt <eric@anholt.net>

- *    Michel Dänzer <michel@tungstengraphics.com>

- *

- */

-

-#ifdef HAVE_DIX_CONFIG_H

-#include <dix-config.h>

-#endif

-#include "exa_priv.h"

-#include <X11/fonts/fontstruct.h>

-#include "dixfontstr.h"

-#include "exa.h"

-

-static void

-exaFillSpans(DrawablePtr pDrawable, GCPtr pGC, int n,

-	     DDXPointPtr ppt, int *pwidth, int fSorted)

-{

-    ScreenPtr	    pScreen = pDrawable->pScreen;

-    ExaScreenPriv (pScreen);

-    RegionPtr	    pClip = fbGetCompositeClip(pGC);

-    PixmapPtr	    pPixmap = exaGetDrawablePixmap (pDrawable);

-    ExaPixmapPriv (pPixmap);

-    BoxPtr	    pextent, pbox;

-    int		    nbox;

-    int		    extentX1, extentX2, extentY1, extentY2;

-    int		    fullX1, fullX2, fullY1;

-    int		    partX1, partX2;

-    int		    off_x, off_y;

-

-    if (pExaScr->fallback_counter ||

-	pExaScr->swappedOut ||

-	pGC->fillStyle != FillSolid ||

-	pExaPixmap->accel_blocked)

-    {

-	ExaCheckFillSpans (pDrawable, pGC, n, ppt, pwidth, fSorted);

-	return;

-    }

-

-    if (pExaScr->do_migration) {

-	ExaMigrationRec pixmaps[1];

-

-	pixmaps[0].as_dst = TRUE;

-	pixmaps[0].as_src = FALSE;

-	pixmaps[0].pPix = pPixmap;

-	pixmaps[0].pReg = NULL;

-

-	exaDoMigration (pixmaps, 1, TRUE);

-    }

-

-    if (!(pPixmap = exaGetOffscreenPixmap (pDrawable, &off_x, &off_y)) ||

-	!(*pExaScr->info->PrepareSolid) (pPixmap,

-					 pGC->alu,

-					 pGC->planemask,

-					 pGC->fgPixel))

-    {

-	ExaCheckFillSpans (pDrawable, pGC, n, ppt, pwidth, fSorted);

-	return;

-    }

-

-    pextent = RegionExtents(pClip);

-    extentX1 = pextent->x1;

-    extentY1 = pextent->y1;

-    extentX2 = pextent->x2;

-    extentY2 = pextent->y2;

-    while (n--)

-    {

-	fullX1 = ppt->x;

-	fullY1 = ppt->y;

-	fullX2 = fullX1 + (int) *pwidth;

-	ppt++;

-	pwidth++;

-

-	if (fullY1 < extentY1 || extentY2 <= fullY1)

-	    continue;

-

-	if (fullX1 < extentX1)

-	    fullX1 = extentX1;

-

-	if (fullX2 > extentX2)

-	    fullX2 = extentX2;

-

-	if (fullX1 >= fullX2)

-	    continue;

-

-	nbox = RegionNumRects (pClip);

-	if (nbox == 1)

-	{

-	    (*pExaScr->info->Solid) (pPixmap,

-				     fullX1 + off_x, fullY1 + off_y,

-				     fullX2 + off_x, fullY1 + 1 + off_y);

-	}

-	else

-	{

-	    pbox = RegionRects(pClip);

-	    while(nbox--)

-	    {

-		if (pbox->y1 <= fullY1 && fullY1 < pbox->y2)

-		{

-		    partX1 = pbox->x1;

-		    if (partX1 < fullX1)

-			partX1 = fullX1;

-		    partX2 = pbox->x2;

-		    if (partX2 > fullX2)

-			partX2 = fullX2;

-		    if (partX2 > partX1) {

-			(*pExaScr->info->Solid) (pPixmap,

-						 partX1 + off_x, fullY1 + off_y,

-						 partX2 + off_x, fullY1 + 1 + off_y);

-		    }

-		}

-		pbox++;

-	    }

-	}

-    }

-    (*pExaScr->info->DoneSolid) (pPixmap);

-    exaMarkSync(pScreen);

-}

-

-static Bool

-exaDoPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y,

-	       int w, int h, int format, char *bits, int src_stride)

-{

-    ExaScreenPriv (pDrawable->pScreen);

-    PixmapPtr pPix = exaGetDrawablePixmap (pDrawable);

-    ExaPixmapPriv(pPix);

-    RegionPtr pClip;

-    BoxPtr pbox;

-    int nbox;

-    int xoff, yoff;

-    int bpp = pDrawable->bitsPerPixel;

-    Bool ret = TRUE;

-

-    if (pExaScr->fallback_counter || pExaPixmap->accel_blocked || !pExaScr->info->UploadToScreen)

-	return FALSE;

-

-    /* If there's a system copy, we want to save the result there */

-    if (pExaPixmap->pDamage)

-	return FALSE;

-

-    /* Don't bother with under 8bpp, XYPixmaps. */

-    if (format != ZPixmap || bpp < 8)

-	return FALSE;

-

-    /* Only accelerate copies: no rop or planemask. */

-    if (!EXA_PM_IS_SOLID(pDrawable, pGC->planemask) || pGC->alu != GXcopy)

-	return FALSE;

-

-    if (pExaScr->swappedOut)

-	return FALSE;

-

-    if (pExaScr->do_migration) {

-	ExaMigrationRec pixmaps[1];

-

-	pixmaps[0].as_dst = TRUE;

-	pixmaps[0].as_src = FALSE;

-	pixmaps[0].pPix = pPix;

-	pixmaps[0].pReg = DamagePendingRegion(pExaPixmap->pDamage);

-

-	exaDoMigration (pixmaps, 1, TRUE);

-    }

-

-    pPix = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff);

-

-    if (!pPix)

-	return FALSE;

-

-    x += pDrawable->x;

-    y += pDrawable->y;

-

-    pClip = fbGetCompositeClip(pGC);

-    for (nbox = RegionNumRects(pClip),

-	 pbox = RegionRects(pClip);

-	 nbox--;

-	 pbox++)

-    {

-	int x1 = x;

-	int y1 = y;

-	int x2 = x + w;

-	int y2 = y + h;

-	char *src;

-	Bool ok;

-

-	if (x1 < pbox->x1)

-	    x1 = pbox->x1;

-	if (y1 < pbox->y1)

-	    y1 = pbox->y1;

-	if (x2 > pbox->x2)

-	    x2 = pbox->x2;

-	if (y2 > pbox->y2)

-	    y2 = pbox->y2;

-	if (x1 >= x2 || y1 >= y2)

-	    continue;

-

-	src = bits + (y1 - y) * src_stride + (x1 - x) * (bpp / 8);

-	ok = pExaScr->info->UploadToScreen(pPix, x1 + xoff, y1 + yoff,

-					   x2 - x1, y2 - y1, src, src_stride);

-	/* We have to fall back completely, and ignore what has already been completed.

-	 * Messing with the fb layer directly like we used to is completely unacceptable.

-	 */

-	if (!ok) {

-	    ret = FALSE;

-	    break;

-	}

-    }

-

-    if (ret)

-	exaMarkSync(pDrawable->pScreen);

-

-    return ret;

-}

-

-static void

-exaPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y,

-	     int w, int h, int leftPad, int format, char *bits)

-{

-    if (!exaDoPutImage(pDrawable, pGC, depth, x, y, w, h, format, bits,

-		       PixmapBytePad(w, pDrawable->depth)))

-	ExaCheckPutImage(pDrawable, pGC, depth, x, y, w, h, leftPad, format,

-			 bits);

-}

-

-static Bool __inline

-exaCopyNtoNTwoDir (DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable,

-		   GCPtr pGC, BoxPtr pbox, int nbox, int dx, int dy)

-{

-    ExaScreenPriv (pDstDrawable->pScreen);

-    PixmapPtr pSrcPixmap, pDstPixmap;

-    int src_off_x, src_off_y, dst_off_x, dst_off_y;

-    int dirsetup;

-

-    /* Need to get both pixmaps to call the driver routines */

-    pSrcPixmap = exaGetOffscreenPixmap (pSrcDrawable, &src_off_x, &src_off_y);

-    pDstPixmap = exaGetOffscreenPixmap (pDstDrawable, &dst_off_x, &dst_off_y);

-    if (!pSrcPixmap || !pDstPixmap)

-	return FALSE;

-

-    /*

-     * Now the case of a chip that only supports xdir = ydir = 1 or

-     * xdir = ydir = -1, but we have xdir != ydir.

-     */

-    dirsetup = 0;	/* No direction set up yet. */

-    for (; nbox; pbox++, nbox--) {

-	if (dx >= 0 && (src_off_y + pbox->y1 + dy) != pbox->y1) {

-	    /* Do a xdir = ydir = -1 blit instead. */

-	    if (dirsetup != -1) {

-		if (dirsetup != 0)

-		    pExaScr->info->DoneCopy(pDstPixmap);

-		dirsetup = -1;

-		if (!(*pExaScr->info->PrepareCopy)(pSrcPixmap,

-						   pDstPixmap,

-						   -1, -1,

-						   pGC ? pGC->alu : GXcopy,

-						   pGC ? pGC->planemask :

-							 FB_ALLONES))

-		    return FALSE;

-	    }

-	    (*pExaScr->info->Copy)(pDstPixmap,

-				   src_off_x + pbox->x1 + dx,

-				   src_off_y + pbox->y1 + dy,

-				   dst_off_x + pbox->x1,

-				   dst_off_y + pbox->y1,

-				   pbox->x2 - pbox->x1,

-				   pbox->y2 - pbox->y1);

-	} else if (dx < 0 && (src_off_y + pbox->y1 + dy) != pbox->y1) {

-	    /* Do a xdir = ydir = 1 blit instead. */

-	    if (dirsetup != 1) {

-		if (dirsetup != 0)

-		    pExaScr->info->DoneCopy(pDstPixmap);

-		dirsetup = 1;

-		if (!(*pExaScr->info->PrepareCopy)(pSrcPixmap,

-						   pDstPixmap,

-						   1, 1,

-						   pGC ? pGC->alu : GXcopy,

-						   pGC ? pGC->planemask :

-							 FB_ALLONES))

-		    return FALSE;

-	    }

-	    (*pExaScr->info->Copy)(pDstPixmap,

-				   src_off_x + pbox->x1 + dx,

-				   src_off_y + pbox->y1 + dy,

-				   dst_off_x + pbox->x1,

-				   dst_off_y + pbox->y1,

-				   pbox->x2 - pbox->x1,

-				   pbox->y2 - pbox->y1);

-	} else if (dx >= 0) {

-	    /*

-	     * xdir = 1, ydir = -1.

-	     * Perform line-by-line xdir = ydir = 1 blits, going up.

-	     */

-	    int i;

-	    if (dirsetup != 1) {

-		if (dirsetup != 0)

-		    pExaScr->info->DoneCopy(pDstPixmap);

-		dirsetup = 1;

-		if (!(*pExaScr->info->PrepareCopy)(pSrcPixmap,

-						   pDstPixmap,

-						   1, 1,

-						   pGC ? pGC->alu : GXcopy,

-						   pGC ? pGC->planemask :

-							 FB_ALLONES))

-		    return FALSE;

-	    }

-	    for (i = pbox->y2 - pbox->y1 - 1; i >= 0; i--)

-		(*pExaScr->info->Copy)(pDstPixmap,

-				       src_off_x + pbox->x1 + dx,

-				       src_off_y + pbox->y1 + dy + i,

-				       dst_off_x + pbox->x1,

-				       dst_off_y + pbox->y1 + i,

-				       pbox->x2 - pbox->x1, 1);

-	} else {

-	    /*

-	     * xdir = -1, ydir = 1.

-	     * Perform line-by-line xdir = ydir = -1 blits, going down.

-	     */

-	    int i;

-	    if (dirsetup != -1) {

-		if (dirsetup != 0)

-		    pExaScr->info->DoneCopy(pDstPixmap);

-		dirsetup = -1;

-		if (!(*pExaScr->info->PrepareCopy)(pSrcPixmap,

-						   pDstPixmap,

-						   -1, -1,

-						   pGC ? pGC->alu : GXcopy,

-						   pGC ? pGC->planemask :

-							 FB_ALLONES))

-		    return FALSE;

-	    }

-	    for (i = 0; i < pbox->y2 - pbox->y1; i++)

-		(*pExaScr->info->Copy)(pDstPixmap,

-				       src_off_x + pbox->x1 + dx,

-				       src_off_y + pbox->y1 + dy + i,

-				       dst_off_x + pbox->x1,

-				       dst_off_y + pbox->y1 + i,

-				       pbox->x2 - pbox->x1, 1);

-	}

-    }

-    if (dirsetup != 0)

-	pExaScr->info->DoneCopy(pDstPixmap);

-    exaMarkSync(pDstDrawable->pScreen);

-    return TRUE;

-}

-

-Bool

-exaHWCopyNtoN (DrawablePtr    pSrcDrawable,

-	     DrawablePtr    pDstDrawable,

-	     GCPtr	    pGC,

-	     BoxPtr	    pbox,

-	     int	    nbox,

-	     int	    dx,

-	     int	    dy,

-	     Bool	    reverse,

-	     Bool	    upsidedown)

-{

-    ExaScreenPriv (pDstDrawable->pScreen);

-    PixmapPtr pSrcPixmap, pDstPixmap;

-    ExaPixmapPrivPtr pSrcExaPixmap, pDstExaPixmap;

-    int	    src_off_x, src_off_y;

-    int	    dst_off_x, dst_off_y;

-    RegionPtr srcregion = NULL, dstregion = NULL;

-    xRectangle *rects;

-    Bool ret = TRUE;

-

-    /* avoid doing copy operations if no boxes */

-    if (nbox == 0)

-	return TRUE;

-

-    pSrcPixmap = exaGetDrawablePixmap (pSrcDrawable);

-    pDstPixmap = exaGetDrawablePixmap (pDstDrawable);

-

-    exaGetDrawableDeltas (pSrcDrawable, pSrcPixmap, &src_off_x, &src_off_y);

-    exaGetDrawableDeltas (pDstDrawable, pDstPixmap, &dst_off_x, &dst_off_y);

-

-    rects = malloc(nbox * sizeof(xRectangle));

-

-    if (rects) {

-	int i;

-	int ordering;

-

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

-	    rects[i].x = pbox[i].x1 + dx + src_off_x;

-	    rects[i].y = pbox[i].y1 + dy + src_off_y;

-	    rects[i].width = pbox[i].x2 - pbox[i].x1;

-	    rects[i].height = pbox[i].y2 - pbox[i].y1;

-	}

-

-	/* This must match the RegionCopy() logic for reversing rect order */

-	if (nbox == 1 || (dx > 0 && dy > 0) ||

-	    (pDstDrawable != pSrcDrawable &&

-	     (pDstDrawable->type != DRAWABLE_WINDOW ||

-	      pSrcDrawable->type != DRAWABLE_WINDOW)))

-	    ordering = CT_YXBANDED;

-	else

-	    ordering = CT_UNSORTED;

-

-	srcregion  = RegionFromRects(nbox, rects, ordering);

-	free(rects);

-

-	if (!pGC || !exaGCReadsDestination(pDstDrawable, pGC->planemask,

-					   pGC->fillStyle, pGC->alu,

-					   pGC->clientClipType)) {

-	    dstregion = RegionCreate(NullBox, 0);

-	    RegionCopy(dstregion, srcregion);

-	    RegionTranslate(dstregion, dst_off_x - dx - src_off_x,

-			     dst_off_y - dy - src_off_y);

-	}

-    }

-

-

-    pSrcExaPixmap = ExaGetPixmapPriv (pSrcPixmap);

-    pDstExaPixmap = ExaGetPixmapPriv (pDstPixmap);

-

-    /* Check whether the accelerator can use this pixmap.

-     * If the pitch of the pixmaps is out of range, there's nothing

-     * we can do but fall back to software rendering.

-     */

-    if (pSrcExaPixmap->accel_blocked & EXA_RANGE_PITCH ||

-        pDstExaPixmap->accel_blocked & EXA_RANGE_PITCH)

-	goto fallback;

-

-    /* If the width or the height of either of the pixmaps

-     * is out of range, check whether the boxes are actually out of the

-     * addressable range as well. If they aren't, we can still do

-     * the copying in hardware.

-     */

-    if (pSrcExaPixmap->accel_blocked || pDstExaPixmap->accel_blocked) {

-        int i;

-

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

-            /* src */

-            if ((pbox[i].x2 + dx + src_off_x) >= pExaScr->info->maxX ||

-                (pbox[i].y2 + dy + src_off_y) >= pExaScr->info->maxY)

-                goto fallback;

-

-            /* dst */

-            if ((pbox[i].x2 + dst_off_x) >= pExaScr->info->maxX ||

-                (pbox[i].y2 + dst_off_y) >= pExaScr->info->maxY)

-                goto fallback;

-        }

-    }

-

-    if (pExaScr->do_migration) {

-	ExaMigrationRec pixmaps[2];

-

-	pixmaps[0].as_dst = TRUE;

-	pixmaps[0].as_src = FALSE;

-	pixmaps[0].pPix = pDstPixmap;

-	pixmaps[0].pReg = dstregion;

-	pixmaps[1].as_dst = FALSE;

-	pixmaps[1].as_src = TRUE;

-	pixmaps[1].pPix = pSrcPixmap;

-	pixmaps[1].pReg = srcregion;

-

-	exaDoMigration (pixmaps, 2, TRUE);

-    }

-

-    /* Mixed directions must be handled specially if the card is lame */

-    if ((pExaScr->info->flags & EXA_TWO_BITBLT_DIRECTIONS) &&

-	reverse != upsidedown) {

-	if (exaCopyNtoNTwoDir(pSrcDrawable, pDstDrawable, pGC, pbox, nbox,

-			       dx, dy))

-	    goto out;

-	goto fallback;

-    }

-

-    if (exaPixmapHasGpuCopy(pDstPixmap)) {

-	/* Normal blitting. */

-	if (exaPixmapHasGpuCopy(pSrcPixmap)) {

-	    if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap, pDstPixmap, reverse ? -1 : 1,

-						upsidedown ? -1 : 1,

-						pGC ? pGC->alu : GXcopy,

-						pGC ? pGC->planemask : FB_ALLONES)) {

-		goto fallback;

-	    }

-

-	    while (nbox--)

-	    {

-		(*pExaScr->info->Copy) (pDstPixmap,

-					pbox->x1 + dx + src_off_x,

-					pbox->y1 + dy + src_off_y,

-					pbox->x1 + dst_off_x, pbox->y1 + dst_off_y,

-					pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);

-		pbox++;

-	    }

-

-	    (*pExaScr->info->DoneCopy) (pDstPixmap);

-	    exaMarkSync (pDstDrawable->pScreen);

-	/* UTS: mainly for SHM PutImage's secondary path.

-	 *

-	 * Only taking this path for directly accessible pixmaps.

-	 */

-	} else if (!pDstExaPixmap->pDamage && pSrcExaPixmap->sys_ptr) {

-	    int bpp = pSrcDrawable->bitsPerPixel;

-	    int src_stride = exaGetPixmapPitch(pSrcPixmap);

-	    CARD8 *src = NULL;

-

-	    if (!pExaScr->info->UploadToScreen)

-		goto fallback;

-

-	    if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)

-		goto fallback;

-

-	    if (pSrcDrawable->bitsPerPixel < 8)

-		goto fallback;

-

-	    if (pGC && !(pGC->alu == GXcopy && EXA_PM_IS_SOLID(pSrcDrawable,  pGC->planemask)))

-		goto fallback;

-

-	    while (nbox--)

-	    {

-		src = pSrcExaPixmap->sys_ptr + (pbox->y1 + dy + src_off_y) * src_stride + (pbox->x1 + dx + src_off_x) * (bpp / 8);

-		if (!pExaScr->info->UploadToScreen(pDstPixmap, pbox->x1 + dst_off_x,

-				pbox->y1 + dst_off_y, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1,

-				(char *) src, src_stride))

-		    goto fallback;

-

-		pbox++;

-	    }

-	} else

-	    goto fallback;

-    } else

-	goto fallback;

-

-    goto out;

-

-fallback:

-    ret = FALSE;

-

-out:

-    if (dstregion) {

-	RegionUninit(dstregion);

-	RegionDestroy(dstregion);

-    }

-    if (srcregion) {

-	RegionUninit(srcregion);

-	RegionDestroy(srcregion);

-    }

-

-    return ret;

-}

-

-void

-exaCopyNtoN (DrawablePtr    pSrcDrawable,

-	     DrawablePtr    pDstDrawable,

-	     GCPtr	    pGC,

-	     BoxPtr	    pbox,

-	     int	    nbox,

-	     int	    dx,

-	     int	    dy,

-	     Bool	    reverse,

-	     Bool	    upsidedown,

-	     Pixel	    bitplane,

-	     void	    *closure)

-{

-    ExaScreenPriv(pDstDrawable->pScreen);

-

-    if (pExaScr->fallback_counter ||

-	    (pExaScr->fallback_flags & EXA_FALLBACK_COPYWINDOW))

-	return;

-

-    if (exaHWCopyNtoN(pSrcDrawable, pDstDrawable, pGC, pbox, nbox, dx, dy, reverse, upsidedown))

-	return;

-

-    /* This is a CopyWindow, it's cleaner to fallback at the original call. */

-    if (pExaScr->fallback_flags & EXA_ACCEL_COPYWINDOW) {

-	pExaScr->fallback_flags |= EXA_FALLBACK_COPYWINDOW;

-	return;

-    }

-

-    /* fallback */

-    ExaCheckCopyNtoN(pSrcDrawable, pDstDrawable, pGC, pbox, nbox, dx, dy, reverse, upsidedown, bitplane, closure);

-}

-

-RegionPtr

-exaCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC,

-	    int srcx, int srcy, int width, int height, int dstx, int dsty)

-{

-    ExaScreenPriv (pDstDrawable->pScreen);

-

-    if (pExaScr->fallback_counter || pExaScr->swappedOut) {

-        return  ExaCheckCopyArea(pSrcDrawable, pDstDrawable, pGC,

-                                 srcx, srcy, width, height, dstx, dsty);

-    }

-

-    return  miDoCopy (pSrcDrawable, pDstDrawable, pGC,

-                      srcx, srcy, width, height,

-                      dstx, dsty, exaCopyNtoN, 0, NULL);

-}

-

-static void

-exaPolyPoint(DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,

-	     DDXPointPtr ppt)

-{

-    ExaScreenPriv (pDrawable->pScreen);

-    int i;

-    xRectangle *prect;

-

-    /* If we can't reuse the current GC as is, don't bother accelerating the

-     * points.

-     */

-    if (pExaScr->fallback_counter || pGC->fillStyle != FillSolid) {

-	ExaCheckPolyPoint(pDrawable, pGC, mode, npt, ppt);

-	return;

-    }

-

-    prect = malloc(sizeof(xRectangle) * npt);

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

-	prect[i].x = ppt[i].x;

-	prect[i].y = ppt[i].y;

-	if (i > 0 && mode == CoordModePrevious) {

-	    prect[i].x += prect[i - 1].x;

-	    prect[i].y += prect[i - 1].y;

-	}

-	prect[i].width = 1;

-	prect[i].height = 1;

-    }

-    pGC->ops->PolyFillRect(pDrawable, pGC, npt, prect);

-    free(prect);

-}

-

-/**

- * exaPolylines() checks if it can accelerate the lines as a group of

- * horizontal or vertical lines (rectangles), and uses existing rectangle fill

- * acceleration if so.

- */

-static void

-exaPolylines(DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,

-	     DDXPointPtr ppt)

-{

-    ExaScreenPriv (pDrawable->pScreen);

-    xRectangle *prect;

-    int x1, x2, y1, y2;

-    int i;

-

-    if (pExaScr->fallback_counter) {

-	ExaCheckPolylines(pDrawable, pGC, mode, npt, ppt);

-	return;

-    }

-

-    /* Don't try to do wide lines or non-solid fill style. */

-    if (pGC->lineWidth != 0 || pGC->lineStyle != LineSolid ||

-	pGC->fillStyle != FillSolid) {

-	ExaCheckPolylines(pDrawable, pGC, mode, npt, ppt);

-	return;

-    }

-

-    prect = malloc(sizeof(xRectangle) * (npt - 1));

-    x1 = ppt[0].x;

-    y1 = ppt[0].y;

-    /* If we have any non-horizontal/vertical, fall back. */

-    for (i = 0; i < npt - 1; i++) {

-	if (mode == CoordModePrevious) {

-	    x2 = x1 + ppt[i + 1].x;

-	    y2 = y1 + ppt[i + 1].y;

-	} else {

-	    x2 = ppt[i + 1].x;

-	    y2 = ppt[i + 1].y;

-	}

-

-	if (x1 != x2 && y1 != y2) {

-	    free(prect);

-	    ExaCheckPolylines(pDrawable, pGC, mode, npt, ppt);

-	    return;

-	}

-

-	if (x1 < x2) {

-	    prect[i].x = x1;

-	    prect[i].width = x2 - x1 + 1;

-	} else {

-	    prect[i].x = x2;

-	    prect[i].width = x1 - x2 + 1;

-	}

-	if (y1 < y2) {

-	    prect[i].y = y1;

-	    prect[i].height = y2 - y1 + 1;

-	} else {

-	    prect[i].y = y2;

-	    prect[i].height = y1 - y2 + 1;

-	}

-

-	x1 = x2;

-	y1 = y2;

-    }

-    pGC->ops->PolyFillRect(pDrawable, pGC, npt - 1, prect);

-    free(prect);

-}

-

-/**

- * exaPolySegment() checks if it can accelerate the lines as a group of

- * horizontal or vertical lines (rectangles), and uses existing rectangle fill

- * acceleration if so.

- */

-static void

-exaPolySegment (DrawablePtr pDrawable, GCPtr pGC, int nseg,

-		xSegment *pSeg)

-{

-    ExaScreenPriv (pDrawable->pScreen);

-    xRectangle *prect;

-    int i;

-

-    /* Don't try to do wide lines or non-solid fill style. */

-    if (pExaScr->fallback_counter || pGC->lineWidth != 0 ||

-	pGC->lineStyle != LineSolid || pGC->fillStyle != FillSolid)

-    {

-	ExaCheckPolySegment(pDrawable, pGC, nseg, pSeg);

-	return;

-    }

-

-    /* If we have any non-horizontal/vertical, fall back. */

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

-	if (pSeg[i].x1 != pSeg[i].x2 && pSeg[i].y1 != pSeg[i].y2) {

-	    ExaCheckPolySegment(pDrawable, pGC, nseg, pSeg);

-	    return;

-	}

-    }

-

-    prect = malloc(sizeof(xRectangle) * nseg);

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

-	if (pSeg[i].x1 < pSeg[i].x2) {

-	    prect[i].x = pSeg[i].x1;

-	    prect[i].width = pSeg[i].x2 - pSeg[i].x1 + 1;

-	} else {

-	    prect[i].x = pSeg[i].x2;

-	    prect[i].width = pSeg[i].x1 - pSeg[i].x2 + 1;

-	}

-	if (pSeg[i].y1 < pSeg[i].y2) {

-	    prect[i].y = pSeg[i].y1;

-	    prect[i].height = pSeg[i].y2 - pSeg[i].y1 + 1;

-	} else {

-	    prect[i].y = pSeg[i].y2;

-	    prect[i].height = pSeg[i].y1 - pSeg[i].y2 + 1;

-	}

-

-	/* don't paint last pixel */

-	if (pGC->capStyle == CapNotLast) {

-	    if (prect[i].width == 1)

-		prect[i].height--;

-	    else

-		prect[i].width--;

-	}

-    }

-    pGC->ops->PolyFillRect(pDrawable, pGC, nseg, prect);

-    free(prect);

-}

-

-static Bool exaFillRegionSolid (DrawablePtr pDrawable, RegionPtr pRegion,

-				Pixel pixel, CARD32 planemask, CARD32 alu,

-				unsigned int clientClipType);

-

-static void

-exaPolyFillRect(DrawablePtr pDrawable,

-		GCPtr	    pGC,

-		int	    nrect,

-		xRectangle  *prect)

-{

-    ExaScreenPriv (pDrawable->pScreen);

-    RegionPtr	    pClip = fbGetCompositeClip(pGC);

-    PixmapPtr	    pPixmap = exaGetDrawablePixmap(pDrawable);

-    ExaPixmapPriv (pPixmap);

-    register BoxPtr pbox;

-    BoxPtr	    pextent;

-    int		    extentX1, extentX2, extentY1, extentY2;

-    int		    fullX1, fullX2, fullY1, fullY2;

-    int		    partX1, partX2, partY1, partY2;

-    int		    xoff, yoff;

-    int		    xorg, yorg;

-    int		    n;

-    RegionPtr pReg = RegionFromRects(nrect, prect, CT_UNSORTED);

-

-    /* Compute intersection of rects and clip region */

-    RegionTranslate(pReg, pDrawable->x, pDrawable->y);

-    RegionIntersect(pReg, pClip, pReg);

-

-    if (!RegionNumRects(pReg)) {

-	goto out;

-    }

-

-    exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff);

-

-    if (pExaScr->fallback_counter || pExaScr->swappedOut ||

-	    pExaPixmap->accel_blocked)

-    {

-	goto fallback;

-    }

-

-    /* For ROPs where overlaps don't matter, convert rectangles to region and

-     * call exaFillRegion{Solid,Tiled}.

-     */

-    if ((pGC->fillStyle == FillSolid || pGC->fillStyle == FillTiled) &&

-	(nrect == 1 || pGC->alu == GXcopy || pGC->alu == GXclear ||

-	 pGC->alu == GXnoop || pGC->alu == GXcopyInverted ||

-	 pGC->alu == GXset)) {

-	if (((pGC->fillStyle == FillSolid || pGC->tileIsPixel) &&

-	     exaFillRegionSolid(pDrawable, pReg, pGC->fillStyle == FillSolid ?

-				pGC->fgPixel : pGC->tile.pixel,	pGC->planemask,

-				pGC->alu, pGC->clientClipType)) ||

-	    (pGC->fillStyle == FillTiled && !pGC->tileIsPixel &&

-	     exaFillRegionTiled(pDrawable, pReg, pGC->tile.pixmap, &pGC->patOrg,

-				pGC->planemask, pGC->alu,

-				pGC->clientClipType))) {

-	    goto out;

-	}

-    }

-

-    if (pGC->fillStyle != FillSolid &&

-	!(pGC->tileIsPixel && pGC->fillStyle == FillTiled))

-    {

-	goto fallback;

-    }

-

-    if (pExaScr->do_migration) {

-	ExaMigrationRec pixmaps[1];

-

-	pixmaps[0].as_dst = TRUE;

-	pixmaps[0].as_src = FALSE;

-	pixmaps[0].pPix = pPixmap;

-	pixmaps[0].pReg = NULL;

-

-	exaDoMigration (pixmaps, 1, TRUE);

-    }

-

-    if (!exaPixmapHasGpuCopy (pPixmap) ||

-	!(*pExaScr->info->PrepareSolid) (pPixmap,

-					 pGC->alu,

-					 pGC->planemask,

-					 pGC->fgPixel))

-    {

-fallback:

-	ExaCheckPolyFillRect (pDrawable, pGC, nrect, prect);

-	goto out;

-    }

-

-    xorg = pDrawable->x;

-    yorg = pDrawable->y;

-

-    pextent = RegionExtents(pClip);

-    extentX1 = pextent->x1;

-    extentY1 = pextent->y1;

-    extentX2 = pextent->x2;

-    extentY2 = pextent->y2;

-    while (nrect--)

-    {

-	fullX1 = prect->x + xorg;

-	fullY1 = prect->y + yorg;

-	fullX2 = fullX1 + (int) prect->width;

-	fullY2 = fullY1 + (int) prect->height;

-	prect++;

-

-	if (fullX1 < extentX1)

-	    fullX1 = extentX1;

-

-	if (fullY1 < extentY1)

-	    fullY1 = extentY1;

-

-	if (fullX2 > extentX2)

-	    fullX2 = extentX2;

-

-	if (fullY2 > extentY2)

-	    fullY2 = extentY2;

-

-	if ((fullX1 >= fullX2) || (fullY1 >= fullY2))

-	    continue;

-	n = RegionNumRects (pClip);

-	if (n == 1)

-	{

-	    (*pExaScr->info->Solid) (pPixmap,

-				     fullX1 + xoff, fullY1 + yoff,

-				     fullX2 + xoff, fullY2 + yoff);

-	}

-	else

-	{

-	    pbox = RegionRects(pClip);

-	    /*

-	     * clip the rectangle to each box in the clip region

-	     * this is logically equivalent to calling Intersect(),

-	     * but rectangles may overlap each other here.

-	     */

-	    while(n--)

-	    {

-		partX1 = pbox->x1;

-		if (partX1 < fullX1)

-		    partX1 = fullX1;

-		partY1 = pbox->y1;

-		if (partY1 < fullY1)

-		    partY1 = fullY1;

-		partX2 = pbox->x2;

-		if (partX2 > fullX2)

-		    partX2 = fullX2;

-		partY2 = pbox->y2;

-		if (partY2 > fullY2)

-		    partY2 = fullY2;

-

-		pbox++;

-

-		if (partX1 < partX2 && partY1 < partY2) {

-		    (*pExaScr->info->Solid) (pPixmap,

-					     partX1 + xoff, partY1 + yoff,

-					     partX2 + xoff, partY2 + yoff);

-		}

-	    }

-	}

-    }

-    (*pExaScr->info->DoneSolid) (pPixmap);

-    exaMarkSync(pDrawable->pScreen);

-

-out:

-    RegionUninit(pReg);

-    RegionDestroy(pReg);

-}

-

-const GCOps exaOps = {

-    exaFillSpans,

-    ExaCheckSetSpans,

-    exaPutImage,

-    exaCopyArea,

-    ExaCheckCopyPlane,

-    exaPolyPoint,

-    exaPolylines,

-    exaPolySegment,

-    miPolyRectangle,

-    ExaCheckPolyArc,

-    miFillPolygon,

-    exaPolyFillRect,

-    miPolyFillArc,

-    miPolyText8,

-    miPolyText16,

-    miImageText8,

-    miImageText16,

-    ExaCheckImageGlyphBlt,

-    ExaCheckPolyGlyphBlt,

-    ExaCheckPushPixels,

-};

-

-void

-exaCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)

-{

-    RegionRec	rgnDst;

-    int		dx, dy;

-    PixmapPtr	pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);

-    ExaScreenPriv(pWin->drawable.pScreen);

-

-    dx = ptOldOrg.x - pWin->drawable.x;

-    dy = ptOldOrg.y - pWin->drawable.y;

-    RegionTranslate(prgnSrc, -dx, -dy);

-

-    RegionInit(&rgnDst, NullBox, 0);

-

-    RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);

-#ifdef COMPOSITE

-    if (pPixmap->screen_x || pPixmap->screen_y)

-	RegionTranslate(&rgnDst,

-			  -pPixmap->screen_x, -pPixmap->screen_y);

-#endif

-

-    if (pExaScr->fallback_counter) {

-	pExaScr->fallback_flags |= EXA_FALLBACK_COPYWINDOW;

-	goto fallback;

-    }

-

-    pExaScr->fallback_flags |= EXA_ACCEL_COPYWINDOW;

-    miCopyRegion (&pPixmap->drawable, &pPixmap->drawable,

-		  NULL,

-		  &rgnDst, dx, dy, exaCopyNtoN, 0, NULL);

-    pExaScr->fallback_flags &= ~EXA_ACCEL_COPYWINDOW;

-

-fallback:

-    RegionUninit(&rgnDst);

-

-    if (pExaScr->fallback_flags & EXA_FALLBACK_COPYWINDOW) {

-	pExaScr->fallback_flags &= ~EXA_FALLBACK_COPYWINDOW;

-	RegionTranslate(prgnSrc, dx, dy);

-	ExaCheckCopyWindow(pWin, ptOldOrg, prgnSrc);

-    }

-}

-

-static Bool

-exaFillRegionSolid (DrawablePtr	pDrawable, RegionPtr pRegion, Pixel pixel,

-		    CARD32 planemask, CARD32 alu, unsigned int clientClipType)

-{

-    ExaScreenPriv(pDrawable->pScreen);

-    PixmapPtr pPixmap = exaGetDrawablePixmap (pDrawable);

-    ExaPixmapPriv (pPixmap);

-    int xoff, yoff;

-    Bool ret = FALSE;

-

-    exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff);

-    RegionTranslate(pRegion, xoff, yoff);

-

-    if (pExaScr->fallback_counter || pExaPixmap->accel_blocked)

-	goto out;

-

-    if (pExaScr->do_migration) {

-	ExaMigrationRec pixmaps[1];

-

-	pixmaps[0].as_dst = TRUE;

-	pixmaps[0].as_src = FALSE;

-	pixmaps[0].pPix = pPixmap;

-	pixmaps[0].pReg = exaGCReadsDestination(pDrawable, planemask, FillSolid,

-						alu, clientClipType) ? NULL : pRegion;

-

-	exaDoMigration (pixmaps, 1, TRUE);

-    }

-

-    if (exaPixmapHasGpuCopy (pPixmap) &&

-	(*pExaScr->info->PrepareSolid) (pPixmap, alu, planemask, pixel))

-    {

-	int nbox;

-	BoxPtr pBox;

-

-	nbox = RegionNumRects (pRegion);

-	pBox = RegionRects (pRegion);

-

-	while (nbox--)

-	{

-	    (*pExaScr->info->Solid) (pPixmap, pBox->x1, pBox->y1, pBox->x2,

-				     pBox->y2);

-	    pBox++;

-	}

-	(*pExaScr->info->DoneSolid) (pPixmap);

-	exaMarkSync(pDrawable->pScreen);

-

-	if (pExaPixmap->pDamage &&

-	    pExaPixmap->sys_ptr && pDrawable->type == DRAWABLE_PIXMAP &&

-	    pDrawable->width == 1 && pDrawable->height == 1 &&

-	    pDrawable->bitsPerPixel != 24) {

-	    ExaPixmapPriv(pPixmap);

-	    RegionPtr pending_damage = DamagePendingRegion(pExaPixmap->pDamage);

-

-	    switch (pDrawable->bitsPerPixel) {

-	    case 32:

-		*(CARD32*)pExaPixmap->sys_ptr = pixel;

-		break;

-	    case 16:

-		*(CARD16*)pExaPixmap->sys_ptr = pixel;

-		break;

-	    case 8:

-	    case 4:

-	    case 1:

-		*(CARD8*)pExaPixmap->sys_ptr = pixel;

-	    }

-

-	    RegionUnion(&pExaPixmap->validSys, &pExaPixmap->validSys,

-			 pRegion);

-	    RegionUnion(&pExaPixmap->validFB, &pExaPixmap->validFB,

-			 pRegion);

-	    RegionSubtract(pending_damage, pending_damage, pRegion);

-	}

-

-	ret = TRUE;

-    }

-

-out:

-    RegionTranslate(pRegion, -xoff, -yoff);

-

-    return ret;

-}

-

-/* Try to do an accelerated tile of the pTile into pRegion of pDrawable.

- * Based on fbFillRegionTiled(), fbTile().

- */

-Bool

-exaFillRegionTiled (DrawablePtr pDrawable, RegionPtr pRegion, PixmapPtr pTile,

-		    DDXPointPtr pPatOrg, CARD32 planemask, CARD32 alu,

-		    unsigned int clientClipType)

-{

-    ExaScreenPriv(pDrawable->pScreen);

-    PixmapPtr pPixmap;

-    ExaPixmapPrivPtr pExaPixmap;

-    ExaPixmapPrivPtr pTileExaPixmap = ExaGetPixmapPriv(pTile);

-    int xoff, yoff;

-    int tileWidth, tileHeight;

-    int nbox = RegionNumRects (pRegion);

-    BoxPtr pBox = RegionRects (pRegion);

-    Bool ret = FALSE;

-    int i;

-

-    tileWidth = pTile->drawable.width;

-    tileHeight = pTile->drawable.height;

-

-    /* If we're filling with a solid color, grab it out and go to

-     * FillRegionSolid, saving numerous copies.

-     */

-    if (tileWidth == 1 && tileHeight == 1)

-	return exaFillRegionSolid(pDrawable, pRegion,

-				  exaGetPixmapFirstPixel (pTile), planemask,

-				  alu, clientClipType);

-

-    pPixmap = exaGetDrawablePixmap (pDrawable);

-    pExaPixmap = ExaGetPixmapPriv (pPixmap);

-

-    if (pExaScr->fallback_counter || pExaPixmap->accel_blocked ||

-	    pTileExaPixmap->accel_blocked)

-	return FALSE;

-

-    if (pExaScr->do_migration) {

-	ExaMigrationRec pixmaps[2];

-

-	pixmaps[0].as_dst = TRUE;

-	pixmaps[0].as_src = FALSE;

-	pixmaps[0].pPix = pPixmap;

-	pixmaps[0].pReg = exaGCReadsDestination(pDrawable, planemask, FillTiled,

-						alu, clientClipType) ? NULL : pRegion;

-	pixmaps[1].as_dst = FALSE;

-	pixmaps[1].as_src = TRUE;

-	pixmaps[1].pPix = pTile;

-	pixmaps[1].pReg = NULL;

-

-	exaDoMigration (pixmaps, 2, TRUE);

-    }

-

-    pPixmap = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff);

-

-    if (!pPixmap || !exaPixmapHasGpuCopy(pTile))

-	return FALSE;

-

-    if ((*pExaScr->info->PrepareCopy) (pTile, pPixmap, 1, 1, alu, planemask))

-    {

-	if (xoff || yoff)

-	    RegionTranslate(pRegion, xoff, yoff);

-

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

-	{

-	    int height = pBox[i].y2 - pBox[i].y1;

-	    int dstY = pBox[i].y1;

-	    int tileY;

-

-	    if (alu == GXcopy)

-		height = min(height, tileHeight);

-

-	    modulus(dstY - yoff - pDrawable->y - pPatOrg->y, tileHeight, tileY);

-

-	    while (height > 0) {

-		int width = pBox[i].x2 - pBox[i].x1;

-		int dstX = pBox[i].x1;

-		int tileX;

-		int h = tileHeight - tileY;

-

-		if (alu == GXcopy)

-		    width = min(width, tileWidth);

-

-		if (h > height)

-		    h = height;

-		height -= h;

-

-		modulus(dstX - xoff - pDrawable->x - pPatOrg->x, tileWidth,

-			tileX);

-

-		while (width > 0) {

-		    int w = tileWidth - tileX;

-		    if (w > width)

-			w = width;

-		    width -= w;

-

-		    (*pExaScr->info->Copy) (pPixmap, tileX, tileY, dstX, dstY,

-					    w, h);

-		    dstX += w;

-		    tileX = 0;

-		}

-		dstY += h;

-		tileY = 0;

-	    }

-	}

-	(*pExaScr->info->DoneCopy) (pPixmap);

-

-	/* With GXcopy, we only need to do the basic algorithm up to the tile

-	 * size; then, we can just keep doubling the destination in each

-	 * direction until it fills the box. This way, the number of copy

-	 * operations is O(log(rx)) + O(log(ry)) instead of O(rx * ry), where

-	 * rx/ry is the ratio between box and tile width/height. This can make

-	 * a big difference if each driver copy incurs a significant constant

-	 * overhead.

-	 */

-	if (alu != GXcopy)

-	    ret = TRUE;

-	else {

-	    Bool more_copy = FALSE;

-

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

-		int dstX = pBox[i].x1 + tileWidth;

-		int dstY = pBox[i].y1 + tileHeight;

-

-		if ((dstX < pBox[i].x2) || (dstY < pBox[i].y2)) {

-		    more_copy = TRUE;

-		    break;

-		}

-	    }

-

-	    if (more_copy == FALSE)

-		ret = TRUE;

-

-	    if (more_copy && (*pExaScr->info->PrepareCopy) (pPixmap, pPixmap,

-							    1, 1, alu, planemask)) {

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

-		{

-		    int dstX = pBox[i].x1 + tileWidth;

-		    int dstY = pBox[i].y1 + tileHeight;

-		    int width = min(pBox[i].x2 - dstX, tileWidth);

-		    int height = min(pBox[i].y2 - pBox[i].y1, tileHeight);

-

-		    while (dstX < pBox[i].x2) {

-			(*pExaScr->info->Copy) (pPixmap, pBox[i].x1, pBox[i].y1,

-						dstX, pBox[i].y1, width, height);

-			dstX += width;

-			width = min(pBox[i].x2 - dstX, width * 2);

-		    }

-

-		    width = pBox[i].x2 - pBox[i].x1;

-		    height = min(pBox[i].y2 - dstY, tileHeight);

-

-		    while (dstY < pBox[i].y2) {

-			(*pExaScr->info->Copy) (pPixmap, pBox[i].x1, pBox[i].y1,

-						pBox[i].x1, dstY, width, height);

-			dstY += height;

-			height = min(pBox[i].y2 - dstY, height * 2);

-		    }

-		}

-

-		(*pExaScr->info->DoneCopy) (pPixmap);

-

-		ret = TRUE;

-	    }

-	}

-

-	exaMarkSync(pDrawable->pScreen);

-

-	if (xoff || yoff)

-	    RegionTranslate(pRegion, -xoff, -yoff);

-    }

-

-    return ret;

-}

-

-

-/**

- * Accelerates GetImage for solid ZPixmap downloads from framebuffer memory.

- *

- * This is probably the only case we actually care about.  The rest fall through

- * to migration and fbGetImage, which hopefully will result in migration pushing

- * the pixmap out of framebuffer.

- */

-void

-exaGetImage (DrawablePtr pDrawable, int x, int y, int w, int h,

-	     unsigned int format, unsigned long planeMask, char *d)

-{

-    ExaScreenPriv (pDrawable->pScreen);

-    PixmapPtr pPix = exaGetDrawablePixmap (pDrawable);

-    ExaPixmapPriv(pPix);

-    int xoff, yoff;

-    Bool ok;

-

-    if (pExaScr->fallback_counter || pExaScr->swappedOut)

-	goto fallback;

-

-    /* If there's a system copy, we want to save the result there */

-    if (pExaPixmap->pDamage)

-	goto fallback;

-

-    pPix = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff);

-

-    if (pPix == NULL || pExaScr->info->DownloadFromScreen == NULL)

-	goto fallback;

-

-    /* Only cover the ZPixmap, solid copy case. */

-    if (format != ZPixmap || !EXA_PM_IS_SOLID(pDrawable, planeMask))

-	goto fallback;

-

-    /* Only try to handle the 8bpp and up cases, since we don't want to think

-     * about <8bpp.

-     */

-    if (pDrawable->bitsPerPixel < 8)

-	goto fallback;

-

-    ok = pExaScr->info->DownloadFromScreen(pPix, pDrawable->x + x + xoff,

-					   pDrawable->y + y + yoff, w, h, d,

-					   PixmapBytePad(w, pDrawable->depth));

-    if (ok) {

-	exaWaitSync(pDrawable->pScreen);

-	return;

-    }

-

-fallback:

-    ExaCheckGetImage(pDrawable, x, y, w, h, format, planeMask, d);

-}

+/*
+ * Copyright © 2001 Keith Packard
+ *
+ * Partly based on code that is Copyright © The XFree86 Project Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *    Michel Dänzer <michel@tungstengraphics.com>
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+#include "exa_priv.h"
+#include <X11/fonts/fontstruct.h>
+#include "dixfontstr.h"
+#include "exa.h"
+
+static void
+exaFillSpans(DrawablePtr pDrawable, GCPtr pGC, int n,
+	     DDXPointPtr ppt, int *pwidth, int fSorted)
+{
+    ScreenPtr	    pScreen = pDrawable->pScreen;
+    ExaScreenPriv (pScreen);
+    RegionPtr	    pClip = fbGetCompositeClip(pGC);
+    PixmapPtr	    pPixmap = exaGetDrawablePixmap (pDrawable);
+    ExaPixmapPriv (pPixmap);
+    BoxPtr	    pextent, pbox;
+    int		    nbox;
+    int		    extentX1, extentX2, extentY1, extentY2;
+    int		    fullX1, fullX2, fullY1;
+    int		    partX1, partX2;
+    int		    off_x, off_y;
+
+    if (pExaScr->fallback_counter ||
+	pExaScr->swappedOut ||
+	pGC->fillStyle != FillSolid ||
+	pExaPixmap->accel_blocked)
+    {
+	ExaCheckFillSpans (pDrawable, pGC, n, ppt, pwidth, fSorted);
+	return;
+    }
+
+    if (pExaScr->do_migration) {
+	ExaMigrationRec pixmaps[1];
+
+	pixmaps[0].as_dst = TRUE;
+	pixmaps[0].as_src = FALSE;
+	pixmaps[0].pPix = pPixmap;
+	pixmaps[0].pReg = NULL;
+
+	exaDoMigration (pixmaps, 1, TRUE);
+    }
+
+    if (!(pPixmap = exaGetOffscreenPixmap (pDrawable, &off_x, &off_y)) ||
+	!(*pExaScr->info->PrepareSolid) (pPixmap,
+					 pGC->alu,
+					 pGC->planemask,
+					 pGC->fgPixel))
+    {
+	ExaCheckFillSpans (pDrawable, pGC, n, ppt, pwidth, fSorted);
+	return;
+    }
+
+    pextent = RegionExtents(pClip);
+    extentX1 = pextent->x1;
+    extentY1 = pextent->y1;
+    extentX2 = pextent->x2;
+    extentY2 = pextent->y2;
+    while (n--)
+    {
+	fullX1 = ppt->x;
+	fullY1 = ppt->y;
+	fullX2 = fullX1 + (int) *pwidth;
+	ppt++;
+	pwidth++;
+
+	if (fullY1 < extentY1 || extentY2 <= fullY1)
+	    continue;
+
+	if (fullX1 < extentX1)
+	    fullX1 = extentX1;
+
+	if (fullX2 > extentX2)
+	    fullX2 = extentX2;
+
+	if (fullX1 >= fullX2)
+	    continue;
+
+	nbox = RegionNumRects (pClip);
+	if (nbox == 1)
+	{
+	    (*pExaScr->info->Solid) (pPixmap,
+				     fullX1 + off_x, fullY1 + off_y,
+				     fullX2 + off_x, fullY1 + 1 + off_y);
+	}
+	else
+	{
+	    pbox = RegionRects(pClip);
+	    while(nbox--)
+	    {
+		if (pbox->y1 <= fullY1 && fullY1 < pbox->y2)
+		{
+		    partX1 = pbox->x1;
+		    if (partX1 < fullX1)
+			partX1 = fullX1;
+		    partX2 = pbox->x2;
+		    if (partX2 > fullX2)
+			partX2 = fullX2;
+		    if (partX2 > partX1) {
+			(*pExaScr->info->Solid) (pPixmap,
+						 partX1 + off_x, fullY1 + off_y,
+						 partX2 + off_x, fullY1 + 1 + off_y);
+		    }
+		}
+		pbox++;
+	    }
+	}
+    }
+    (*pExaScr->info->DoneSolid) (pPixmap);
+    exaMarkSync(pScreen);
+}
+
+static Bool
+exaDoPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y,
+	       int w, int h, int format, char *bits, int src_stride)
+{
+    ExaScreenPriv (pDrawable->pScreen);
+    PixmapPtr pPix = exaGetDrawablePixmap (pDrawable);
+    ExaPixmapPriv(pPix);
+    RegionPtr pClip;
+    BoxPtr pbox;
+    int nbox;
+    int xoff, yoff;
+    int bpp = pDrawable->bitsPerPixel;
+    Bool ret = TRUE;
+
+    if (pExaScr->fallback_counter || pExaPixmap->accel_blocked || !pExaScr->info->UploadToScreen)
+	return FALSE;
+
+    /* If there's a system copy, we want to save the result there */
+    if (pExaPixmap->pDamage)
+	return FALSE;
+
+    /* Don't bother with under 8bpp, XYPixmaps. */
+    if (format != ZPixmap || bpp < 8)
+	return FALSE;
+
+    /* Only accelerate copies: no rop or planemask. */
+    if (!EXA_PM_IS_SOLID(pDrawable, pGC->planemask) || pGC->alu != GXcopy)
+	return FALSE;
+
+    if (pExaScr->swappedOut)
+	return FALSE;
+
+    if (pExaScr->do_migration) {
+	ExaMigrationRec pixmaps[1];
+
+	pixmaps[0].as_dst = TRUE;
+	pixmaps[0].as_src = FALSE;
+	pixmaps[0].pPix = pPix;
+	pixmaps[0].pReg = DamagePendingRegion(pExaPixmap->pDamage);
+
+	exaDoMigration (pixmaps, 1, TRUE);
+    }
+
+    pPix = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff);
+
+    if (!pPix)
+	return FALSE;
+
+    x += pDrawable->x;
+    y += pDrawable->y;
+
+    pClip = fbGetCompositeClip(pGC);
+    for (nbox = RegionNumRects(pClip),
+	 pbox = RegionRects(pClip);
+	 nbox--;
+	 pbox++)
+    {
+	int x1 = x;
+	int y1 = y;
+	int x2 = x + w;
+	int y2 = y + h;
+	char *src;
+	Bool ok;
+
+	if (x1 < pbox->x1)
+	    x1 = pbox->x1;
+	if (y1 < pbox->y1)
+	    y1 = pbox->y1;
+	if (x2 > pbox->x2)
+	    x2 = pbox->x2;
+	if (y2 > pbox->y2)
+	    y2 = pbox->y2;
+	if (x1 >= x2 || y1 >= y2)
+	    continue;
+
+	src = bits + (y1 - y) * src_stride + (x1 - x) * (bpp / 8);
+	ok = pExaScr->info->UploadToScreen(pPix, x1 + xoff, y1 + yoff,
+					   x2 - x1, y2 - y1, src, src_stride);
+	/* We have to fall back completely, and ignore what has already been completed.
+	 * Messing with the fb layer directly like we used to is completely unacceptable.
+	 */
+	if (!ok) {
+	    ret = FALSE;
+	    break;
+	}
+    }
+
+    if (ret)
+	exaMarkSync(pDrawable->pScreen);
+
+    return ret;
+}
+
+static void
+exaPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y,
+	     int w, int h, int leftPad, int format, char *bits)
+{
+    if (!exaDoPutImage(pDrawable, pGC, depth, x, y, w, h, format, bits,
+		       PixmapBytePad(w, pDrawable->depth)))
+	ExaCheckPutImage(pDrawable, pGC, depth, x, y, w, h, leftPad, format,
+			 bits);
+}
+
+static Bool __inline
+exaCopyNtoNTwoDir (DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable,
+		   GCPtr pGC, BoxPtr pbox, int nbox, int dx, int dy)
+{
+    ExaScreenPriv (pDstDrawable->pScreen);
+    PixmapPtr pSrcPixmap, pDstPixmap;
+    int src_off_x, src_off_y, dst_off_x, dst_off_y;
+    int dirsetup;
+
+    /* Need to get both pixmaps to call the driver routines */
+    pSrcPixmap = exaGetOffscreenPixmap (pSrcDrawable, &src_off_x, &src_off_y);
+    pDstPixmap = exaGetOffscreenPixmap (pDstDrawable, &dst_off_x, &dst_off_y);
+    if (!pSrcPixmap || !pDstPixmap)
+	return FALSE;
+
+    /*
+     * Now the case of a chip that only supports xdir = ydir = 1 or
+     * xdir = ydir = -1, but we have xdir != ydir.
+     */
+    dirsetup = 0;	/* No direction set up yet. */
+    for (; nbox; pbox++, nbox--) {
+	if (dx >= 0 && (src_off_y + pbox->y1 + dy) != pbox->y1) {
+	    /* Do a xdir = ydir = -1 blit instead. */
+	    if (dirsetup != -1) {
+		if (dirsetup != 0)
+		    pExaScr->info->DoneCopy(pDstPixmap);
+		dirsetup = -1;
+		if (!(*pExaScr->info->PrepareCopy)(pSrcPixmap,
+						   pDstPixmap,
+						   -1, -1,
+						   pGC ? pGC->alu : GXcopy,
+						   pGC ? pGC->planemask :
+							 FB_ALLONES))
+		    return FALSE;
+	    }
+	    (*pExaScr->info->Copy)(pDstPixmap,
+				   src_off_x + pbox->x1 + dx,
+				   src_off_y + pbox->y1 + dy,
+				   dst_off_x + pbox->x1,
+				   dst_off_y + pbox->y1,
+				   pbox->x2 - pbox->x1,
+				   pbox->y2 - pbox->y1);
+	} else if (dx < 0 && (src_off_y + pbox->y1 + dy) != pbox->y1) {
+	    /* Do a xdir = ydir = 1 blit instead. */
+	    if (dirsetup != 1) {
+		if (dirsetup != 0)
+		    pExaScr->info->DoneCopy(pDstPixmap);
+		dirsetup = 1;
+		if (!(*pExaScr->info->PrepareCopy)(pSrcPixmap,
+						   pDstPixmap,
+						   1, 1,
+						   pGC ? pGC->alu : GXcopy,
+						   pGC ? pGC->planemask :
+							 FB_ALLONES))
+		    return FALSE;
+	    }
+	    (*pExaScr->info->Copy)(pDstPixmap,
+				   src_off_x + pbox->x1 + dx,
+				   src_off_y + pbox->y1 + dy,
+				   dst_off_x + pbox->x1,
+				   dst_off_y + pbox->y1,
+				   pbox->x2 - pbox->x1,
+				   pbox->y2 - pbox->y1);
+	} else if (dx >= 0) {
+	    /*
+	     * xdir = 1, ydir = -1.
+	     * Perform line-by-line xdir = ydir = 1 blits, going up.
+	     */
+	    int i;
+	    if (dirsetup != 1) {
+		if (dirsetup != 0)
+		    pExaScr->info->DoneCopy(pDstPixmap);
+		dirsetup = 1;
+		if (!(*pExaScr->info->PrepareCopy)(pSrcPixmap,
+						   pDstPixmap,
+						   1, 1,
+						   pGC ? pGC->alu : GXcopy,
+						   pGC ? pGC->planemask :
+							 FB_ALLONES))
+		    return FALSE;
+	    }
+	    for (i = pbox->y2 - pbox->y1 - 1; i >= 0; i--)
+		(*pExaScr->info->Copy)(pDstPixmap,
+				       src_off_x + pbox->x1 + dx,
+				       src_off_y + pbox->y1 + dy + i,
+				       dst_off_x + pbox->x1,
+				       dst_off_y + pbox->y1 + i,
+				       pbox->x2 - pbox->x1, 1);
+	} else {
+	    /*
+	     * xdir = -1, ydir = 1.
+	     * Perform line-by-line xdir = ydir = -1 blits, going down.
+	     */
+	    int i;
+	    if (dirsetup != -1) {
+		if (dirsetup != 0)
+		    pExaScr->info->DoneCopy(pDstPixmap);
+		dirsetup = -1;
+		if (!(*pExaScr->info->PrepareCopy)(pSrcPixmap,
+						   pDstPixmap,
+						   -1, -1,
+						   pGC ? pGC->alu : GXcopy,
+						   pGC ? pGC->planemask :
+							 FB_ALLONES))
+		    return FALSE;
+	    }
+	    for (i = 0; i < pbox->y2 - pbox->y1; i++)
+		(*pExaScr->info->Copy)(pDstPixmap,
+				       src_off_x + pbox->x1 + dx,
+				       src_off_y + pbox->y1 + dy + i,
+				       dst_off_x + pbox->x1,
+				       dst_off_y + pbox->y1 + i,
+				       pbox->x2 - pbox->x1, 1);
+	}
+    }
+    if (dirsetup != 0)
+	pExaScr->info->DoneCopy(pDstPixmap);
+    exaMarkSync(pDstDrawable->pScreen);
+    return TRUE;
+}
+
+Bool
+exaHWCopyNtoN (DrawablePtr    pSrcDrawable,
+	     DrawablePtr    pDstDrawable,
+	     GCPtr	    pGC,
+	     BoxPtr	    pbox,
+	     int	    nbox,
+	     int	    dx,
+	     int	    dy,
+	     Bool	    reverse,
+	     Bool	    upsidedown)
+{
+    ExaScreenPriv (pDstDrawable->pScreen);
+    PixmapPtr pSrcPixmap, pDstPixmap;
+    ExaPixmapPrivPtr pSrcExaPixmap, pDstExaPixmap;
+    int	    src_off_x, src_off_y;
+    int	    dst_off_x, dst_off_y;
+    RegionPtr srcregion = NULL, dstregion = NULL;
+    xRectangle *rects;
+    Bool ret = TRUE;
+
+    /* avoid doing copy operations if no boxes */
+    if (nbox == 0)
+	return TRUE;
+
+    pSrcPixmap = exaGetDrawablePixmap (pSrcDrawable);
+    pDstPixmap = exaGetDrawablePixmap (pDstDrawable);
+
+    exaGetDrawableDeltas (pSrcDrawable, pSrcPixmap, &src_off_x, &src_off_y);
+    exaGetDrawableDeltas (pDstDrawable, pDstPixmap, &dst_off_x, &dst_off_y);
+
+    rects = malloc(nbox * sizeof(xRectangle));
+
+    if (rects) {
+	int i;
+	int ordering;
+
+	for (i = 0; i < nbox; i++) {
+	    rects[i].x = pbox[i].x1 + dx + src_off_x;
+	    rects[i].y = pbox[i].y1 + dy + src_off_y;
+	    rects[i].width = pbox[i].x2 - pbox[i].x1;
+	    rects[i].height = pbox[i].y2 - pbox[i].y1;
+	}
+
+	/* This must match the RegionCopy() logic for reversing rect order */
+	if (nbox == 1 || (dx > 0 && dy > 0) ||
+	    (pDstDrawable != pSrcDrawable &&
+	     (pDstDrawable->type != DRAWABLE_WINDOW ||
+	      pSrcDrawable->type != DRAWABLE_WINDOW)))
+	    ordering = CT_YXBANDED;
+	else
+	    ordering = CT_UNSORTED;
+
+	srcregion  = RegionFromRects(nbox, rects, ordering);
+	free(rects);
+
+	if (!pGC || !exaGCReadsDestination(pDstDrawable, pGC->planemask,
+					   pGC->fillStyle, pGC->alu,
+					   pGC->clientClipType)) {
+	    dstregion = RegionCreate(NullBox, 0);
+	    RegionCopy(dstregion, srcregion);
+	    RegionTranslate(dstregion, dst_off_x - dx - src_off_x,
+			     dst_off_y - dy - src_off_y);
+	}
+    }
+
+
+    pSrcExaPixmap = ExaGetPixmapPriv (pSrcPixmap);
+    pDstExaPixmap = ExaGetPixmapPriv (pDstPixmap);
+
+    /* Check whether the accelerator can use this pixmap.
+     * If the pitch of the pixmaps is out of range, there's nothing
+     * we can do but fall back to software rendering.
+     */
+    if (pSrcExaPixmap->accel_blocked & EXA_RANGE_PITCH ||
+        pDstExaPixmap->accel_blocked & EXA_RANGE_PITCH)
+	goto fallback;
+
+    /* If the width or the height of either of the pixmaps
+     * is out of range, check whether the boxes are actually out of the
+     * addressable range as well. If they aren't, we can still do
+     * the copying in hardware.
+     */
+    if (pSrcExaPixmap->accel_blocked || pDstExaPixmap->accel_blocked) {
+        int i;
+
+        for (i = 0; i < nbox; i++) {
+            /* src */
+            if ((pbox[i].x2 + dx + src_off_x) >= pExaScr->info->maxX ||
+                (pbox[i].y2 + dy + src_off_y) >= pExaScr->info->maxY)
+                goto fallback;
+
+            /* dst */
+            if ((pbox[i].x2 + dst_off_x) >= pExaScr->info->maxX ||
+                (pbox[i].y2 + dst_off_y) >= pExaScr->info->maxY)
+                goto fallback;
+        }
+    }
+
+    if (pExaScr->do_migration) {
+	ExaMigrationRec pixmaps[2];
+
+	pixmaps[0].as_dst = TRUE;
+	pixmaps[0].as_src = FALSE;
+	pixmaps[0].pPix = pDstPixmap;
+	pixmaps[0].pReg = dstregion;
+	pixmaps[1].as_dst = FALSE;
+	pixmaps[1].as_src = TRUE;
+	pixmaps[1].pPix = pSrcPixmap;
+	pixmaps[1].pReg = srcregion;
+
+	exaDoMigration (pixmaps, 2, TRUE);
+    }
+
+    /* Mixed directions must be handled specially if the card is lame */
+    if ((pExaScr->info->flags & EXA_TWO_BITBLT_DIRECTIONS) &&
+	reverse != upsidedown) {
+	if (exaCopyNtoNTwoDir(pSrcDrawable, pDstDrawable, pGC, pbox, nbox,
+			       dx, dy))
+	    goto out;
+	goto fallback;
+    }
+
+    if (exaPixmapHasGpuCopy(pDstPixmap)) {
+	/* Normal blitting. */
+	if (exaPixmapHasGpuCopy(pSrcPixmap)) {
+	    if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap, pDstPixmap, reverse ? -1 : 1,
+						upsidedown ? -1 : 1,
+						pGC ? pGC->alu : GXcopy,
+						pGC ? pGC->planemask : FB_ALLONES)) {
+		goto fallback;
+	    }
+
+	    while (nbox--)
+	    {
+		(*pExaScr->info->Copy) (pDstPixmap,
+					pbox->x1 + dx + src_off_x,
+					pbox->y1 + dy + src_off_y,
+					pbox->x1 + dst_off_x, pbox->y1 + dst_off_y,
+					pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
+		pbox++;
+	    }
+
+	    (*pExaScr->info->DoneCopy) (pDstPixmap);
+	    exaMarkSync (pDstDrawable->pScreen);
+	/* UTS: mainly for SHM PutImage's secondary path.
+	 *
+	 * Only taking this path for directly accessible pixmaps.
+	 */
+	} else if (!pDstExaPixmap->pDamage && pSrcExaPixmap->sys_ptr) {
+	    int bpp = pSrcDrawable->bitsPerPixel;
+	    int src_stride = exaGetPixmapPitch(pSrcPixmap);
+	    CARD8 *src = NULL;
+
+	    if (!pExaScr->info->UploadToScreen)
+		goto fallback;
+
+	    if (pSrcDrawable->bitsPerPixel != pDstDrawable->bitsPerPixel)
+		goto fallback;
+
+	    if (pSrcDrawable->bitsPerPixel < 8)
+		goto fallback;
+
+	    if (pGC && !(pGC->alu == GXcopy && EXA_PM_IS_SOLID(pSrcDrawable,  pGC->planemask)))
+		goto fallback;
+
+	    while (nbox--)
+	    {
+		src = pSrcExaPixmap->sys_ptr + (pbox->y1 + dy + src_off_y) * src_stride + (pbox->x1 + dx + src_off_x) * (bpp / 8);
+		if (!pExaScr->info->UploadToScreen(pDstPixmap, pbox->x1 + dst_off_x,
+				pbox->y1 + dst_off_y, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1,
+				(char *) src, src_stride))
+		    goto fallback;
+
+		pbox++;
+	    }
+	} else
+	    goto fallback;
+    } else
+	goto fallback;
+
+    goto out;
+
+fallback:
+    ret = FALSE;
+
+out:
+    if (dstregion) {
+	RegionUninit(dstregion);
+	RegionDestroy(dstregion);
+    }
+    if (srcregion) {
+	RegionUninit(srcregion);
+	RegionDestroy(srcregion);
+    }
+
+    return ret;
+}
+
+void
+exaCopyNtoN (DrawablePtr    pSrcDrawable,
+	     DrawablePtr    pDstDrawable,
+	     GCPtr	    pGC,
+	     BoxPtr	    pbox,
+	     int	    nbox,
+	     int	    dx,
+	     int	    dy,
+	     Bool	    reverse,
+	     Bool	    upsidedown,
+	     Pixel	    bitplane,
+	     void	    *closure)
+{
+    ExaScreenPriv(pDstDrawable->pScreen);
+
+    if (pExaScr->fallback_counter ||
+	    (pExaScr->fallback_flags & EXA_FALLBACK_COPYWINDOW))
+	return;
+
+    if (exaHWCopyNtoN(pSrcDrawable, pDstDrawable, pGC, pbox, nbox, dx, dy, reverse, upsidedown))
+	return;
+
+    /* This is a CopyWindow, it's cleaner to fallback at the original call. */
+    if (pExaScr->fallback_flags & EXA_ACCEL_COPYWINDOW) {
+	pExaScr->fallback_flags |= EXA_FALLBACK_COPYWINDOW;
+	return;
+    }
+
+    /* fallback */
+    ExaCheckCopyNtoN(pSrcDrawable, pDstDrawable, pGC, pbox, nbox, dx, dy, reverse, upsidedown, bitplane, closure);
+}
+
+RegionPtr
+exaCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC,
+	    int srcx, int srcy, int width, int height, int dstx, int dsty)
+{
+    ExaScreenPriv (pDstDrawable->pScreen);
+
+    if (pExaScr->fallback_counter || pExaScr->swappedOut) {
+        return  ExaCheckCopyArea(pSrcDrawable, pDstDrawable, pGC,
+                                 srcx, srcy, width, height, dstx, dsty);
+    }
+
+    return  miDoCopy (pSrcDrawable, pDstDrawable, pGC,
+                      srcx, srcy, width, height,
+                      dstx, dsty, exaCopyNtoN, 0, NULL);
+}
+
+static void
+exaPolyPoint(DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
+	     DDXPointPtr ppt)
+{
+    ExaScreenPriv (pDrawable->pScreen);
+    int i;
+    xRectangle *prect;
+
+    /* If we can't reuse the current GC as is, don't bother accelerating the
+     * points.
+     */
+    if (pExaScr->fallback_counter || pGC->fillStyle != FillSolid) {
+	ExaCheckPolyPoint(pDrawable, pGC, mode, npt, ppt);
+	return;
+    }
+
+    prect = malloc(sizeof(xRectangle) * npt);
+    for (i = 0; i < npt; i++) {
+	prect[i].x = ppt[i].x;
+	prect[i].y = ppt[i].y;
+	if (i > 0 && mode == CoordModePrevious) {
+	    prect[i].x += prect[i - 1].x;
+	    prect[i].y += prect[i - 1].y;
+	}
+	prect[i].width = 1;
+	prect[i].height = 1;
+    }
+    pGC->ops->PolyFillRect(pDrawable, pGC, npt, prect);
+    free(prect);
+}
+
+/**
+ * exaPolylines() checks if it can accelerate the lines as a group of
+ * horizontal or vertical lines (rectangles), and uses existing rectangle fill
+ * acceleration if so.
+ */
+static void
+exaPolylines(DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
+	     DDXPointPtr ppt)
+{
+    ExaScreenPriv (pDrawable->pScreen);
+    xRectangle *prect;
+    int x1, x2, y1, y2;
+    int i;
+
+    if (pExaScr->fallback_counter) {
+	ExaCheckPolylines(pDrawable, pGC, mode, npt, ppt);
+	return;
+    }
+
+    /* Don't try to do wide lines or non-solid fill style. */
+    if (pGC->lineWidth != 0 || pGC->lineStyle != LineSolid ||
+	pGC->fillStyle != FillSolid) {
+	ExaCheckPolylines(pDrawable, pGC, mode, npt, ppt);
+	return;
+    }
+
+    prect = malloc(sizeof(xRectangle) * (npt - 1));
+    x1 = ppt[0].x;
+    y1 = ppt[0].y;
+    /* If we have any non-horizontal/vertical, fall back. */
+    for (i = 0; i < npt - 1; i++) {
+	if (mode == CoordModePrevious) {
+	    x2 = x1 + ppt[i + 1].x;
+	    y2 = y1 + ppt[i + 1].y;
+	} else {
+	    x2 = ppt[i + 1].x;
+	    y2 = ppt[i + 1].y;
+	}
+
+	if (x1 != x2 && y1 != y2) {
+	    free(prect);
+	    ExaCheckPolylines(pDrawable, pGC, mode, npt, ppt);
+	    return;
+	}
+
+	if (x1 < x2) {
+	    prect[i].x = x1;
+	    prect[i].width = x2 - x1 + 1;
+	} else {
+	    prect[i].x = x2;
+	    prect[i].width = x1 - x2 + 1;
+	}
+	if (y1 < y2) {
+	    prect[i].y = y1;
+	    prect[i].height = y2 - y1 + 1;
+	} else {
+	    prect[i].y = y2;
+	    prect[i].height = y1 - y2 + 1;
+	}
+
+	x1 = x2;
+	y1 = y2;
+    }
+    pGC->ops->PolyFillRect(pDrawable, pGC, npt - 1, prect);
+    free(prect);
+}
+
+/**
+ * exaPolySegment() checks if it can accelerate the lines as a group of
+ * horizontal or vertical lines (rectangles), and uses existing rectangle fill
+ * acceleration if so.
+ */
+static void
+exaPolySegment (DrawablePtr pDrawable, GCPtr pGC, int nseg,
+		xSegment *pSeg)
+{
+    ExaScreenPriv (pDrawable->pScreen);
+    xRectangle *prect;
+    int i;
+
+    /* Don't try to do wide lines or non-solid fill style. */
+    if (pExaScr->fallback_counter || pGC->lineWidth != 0 ||
+	pGC->lineStyle != LineSolid || pGC->fillStyle != FillSolid)
+    {
+	ExaCheckPolySegment(pDrawable, pGC, nseg, pSeg);
+	return;
+    }
+
+    /* If we have any non-horizontal/vertical, fall back. */
+    for (i = 0; i < nseg; i++) {
+	if (pSeg[i].x1 != pSeg[i].x2 && pSeg[i].y1 != pSeg[i].y2) {
+	    ExaCheckPolySegment(pDrawable, pGC, nseg, pSeg);
+	    return;
+	}
+    }
+
+    prect = malloc(sizeof(xRectangle) * nseg);
+    for (i = 0; i < nseg; i++) {
+	if (pSeg[i].x1 < pSeg[i].x2) {
+	    prect[i].x = pSeg[i].x1;
+	    prect[i].width = pSeg[i].x2 - pSeg[i].x1 + 1;
+	} else {
+	    prect[i].x = pSeg[i].x2;
+	    prect[i].width = pSeg[i].x1 - pSeg[i].x2 + 1;
+	}
+	if (pSeg[i].y1 < pSeg[i].y2) {
+	    prect[i].y = pSeg[i].y1;
+	    prect[i].height = pSeg[i].y2 - pSeg[i].y1 + 1;
+	} else {
+	    prect[i].y = pSeg[i].y2;
+	    prect[i].height = pSeg[i].y1 - pSeg[i].y2 + 1;
+	}
+
+	/* don't paint last pixel */
+	if (pGC->capStyle == CapNotLast) {
+	    if (prect[i].width == 1)
+		prect[i].height--;
+	    else
+		prect[i].width--;
+	}
+    }
+    pGC->ops->PolyFillRect(pDrawable, pGC, nseg, prect);
+    free(prect);
+}
+
+static Bool exaFillRegionSolid (DrawablePtr pDrawable, RegionPtr pRegion,
+				Pixel pixel, CARD32 planemask, CARD32 alu,
+				unsigned int clientClipType);
+
+static void
+exaPolyFillRect(DrawablePtr pDrawable,
+		GCPtr	    pGC,
+		int	    nrect,
+		xRectangle  *prect)
+{
+    ExaScreenPriv (pDrawable->pScreen);
+    RegionPtr	    pClip = fbGetCompositeClip(pGC);
+    PixmapPtr	    pPixmap = exaGetDrawablePixmap(pDrawable);
+    ExaPixmapPriv (pPixmap);
+    register BoxPtr pbox;
+    BoxPtr	    pextent;
+    int		    extentX1, extentX2, extentY1, extentY2;
+    int		    fullX1, fullX2, fullY1, fullY2;
+    int		    partX1, partX2, partY1, partY2;
+    int		    xoff, yoff;
+    int		    xorg, yorg;
+    int		    n;
+    RegionPtr pReg = RegionFromRects(nrect, prect, CT_UNSORTED);
+
+    /* Compute intersection of rects and clip region */
+    RegionTranslate(pReg, pDrawable->x, pDrawable->y);
+    RegionIntersect(pReg, pClip, pReg);
+
+    if (!RegionNumRects(pReg)) {
+	goto out;
+    }
+
+    exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff);
+
+    if (pExaScr->fallback_counter || pExaScr->swappedOut ||
+	    pExaPixmap->accel_blocked)
+    {
+	goto fallback;
+    }
+
+    /* For ROPs where overlaps don't matter, convert rectangles to region and
+     * call exaFillRegion{Solid,Tiled}.
+     */
+    if ((pGC->fillStyle == FillSolid || pGC->fillStyle == FillTiled) &&
+	(nrect == 1 || pGC->alu == GXcopy || pGC->alu == GXclear ||
+	 pGC->alu == GXnoop || pGC->alu == GXcopyInverted ||
+	 pGC->alu == GXset)) {
+	if (((pGC->fillStyle == FillSolid || pGC->tileIsPixel) &&
+	     exaFillRegionSolid(pDrawable, pReg, pGC->fillStyle == FillSolid ?
+				pGC->fgPixel : pGC->tile.pixel,	pGC->planemask,
+				pGC->alu, pGC->clientClipType)) ||
+	    (pGC->fillStyle == FillTiled && !pGC->tileIsPixel &&
+	     exaFillRegionTiled(pDrawable, pReg, pGC->tile.pixmap, &pGC->patOrg,
+				pGC->planemask, pGC->alu,
+				pGC->clientClipType))) {
+	    goto out;
+	}
+    }
+
+    if (pGC->fillStyle != FillSolid &&
+	!(pGC->tileIsPixel && pGC->fillStyle == FillTiled))
+    {
+	goto fallback;
+    }
+
+    if (pExaScr->do_migration) {
+	ExaMigrationRec pixmaps[1];
+
+	pixmaps[0].as_dst = TRUE;
+	pixmaps[0].as_src = FALSE;
+	pixmaps[0].pPix = pPixmap;
+	pixmaps[0].pReg = NULL;
+
+	exaDoMigration (pixmaps, 1, TRUE);
+    }
+
+    if (!exaPixmapHasGpuCopy (pPixmap) ||
+	!(*pExaScr->info->PrepareSolid) (pPixmap,
+					 pGC->alu,
+					 pGC->planemask,
+					 pGC->fgPixel))
+    {
+fallback:
+	ExaCheckPolyFillRect (pDrawable, pGC, nrect, prect);
+	goto out;
+    }
+
+    xorg = pDrawable->x;
+    yorg = pDrawable->y;
+
+    pextent = RegionExtents(pClip);
+    extentX1 = pextent->x1;
+    extentY1 = pextent->y1;
+    extentX2 = pextent->x2;
+    extentY2 = pextent->y2;
+    while (nrect--)
+    {
+	fullX1 = prect->x + xorg;
+	fullY1 = prect->y + yorg;
+	fullX2 = fullX1 + (int) prect->width;
+	fullY2 = fullY1 + (int) prect->height;
+	prect++;
+
+	if (fullX1 < extentX1)
+	    fullX1 = extentX1;
+
+	if (fullY1 < extentY1)
+	    fullY1 = extentY1;
+
+	if (fullX2 > extentX2)
+	    fullX2 = extentX2;
+
+	if (fullY2 > extentY2)
+	    fullY2 = extentY2;
+
+	if ((fullX1 >= fullX2) || (fullY1 >= fullY2))
+	    continue;
+	n = RegionNumRects (pClip);
+	if (n == 1)
+	{
+	    (*pExaScr->info->Solid) (pPixmap,
+				     fullX1 + xoff, fullY1 + yoff,
+				     fullX2 + xoff, fullY2 + yoff);
+	}
+	else
+	{
+	    pbox = RegionRects(pClip);
+	    /*
+	     * clip the rectangle to each box in the clip region
+	     * this is logically equivalent to calling Intersect(),
+	     * but rectangles may overlap each other here.
+	     */
+	    while(n--)
+	    {
+		partX1 = pbox->x1;
+		if (partX1 < fullX1)
+		    partX1 = fullX1;
+		partY1 = pbox->y1;
+		if (partY1 < fullY1)
+		    partY1 = fullY1;
+		partX2 = pbox->x2;
+		if (partX2 > fullX2)
+		    partX2 = fullX2;
+		partY2 = pbox->y2;
+		if (partY2 > fullY2)
+		    partY2 = fullY2;
+
+		pbox++;
+
+		if (partX1 < partX2 && partY1 < partY2) {
+		    (*pExaScr->info->Solid) (pPixmap,
+					     partX1 + xoff, partY1 + yoff,
+					     partX2 + xoff, partY2 + yoff);
+		}
+	    }
+	}
+    }
+    (*pExaScr->info->DoneSolid) (pPixmap);
+    exaMarkSync(pDrawable->pScreen);
+
+out:
+    RegionUninit(pReg);
+    RegionDestroy(pReg);
+}
+
+const GCOps exaOps = {
+    exaFillSpans,
+    ExaCheckSetSpans,
+    exaPutImage,
+    exaCopyArea,
+    ExaCheckCopyPlane,
+    exaPolyPoint,
+    exaPolylines,
+    exaPolySegment,
+    miPolyRectangle,
+    ExaCheckPolyArc,
+    miFillPolygon,
+    exaPolyFillRect,
+    miPolyFillArc,
+    miPolyText8,
+    miPolyText16,
+    miImageText8,
+    miImageText16,
+    ExaCheckImageGlyphBlt,
+    ExaCheckPolyGlyphBlt,
+    ExaCheckPushPixels,
+};
+
+void
+exaCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+    RegionRec	rgnDst;
+    int		dx, dy;
+    PixmapPtr	pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);
+    ExaScreenPriv(pWin->drawable.pScreen);
+
+    dx = ptOldOrg.x - pWin->drawable.x;
+    dy = ptOldOrg.y - pWin->drawable.y;
+    RegionTranslate(prgnSrc, -dx, -dy);
+
+    RegionInit(&rgnDst, NullBox, 0);
+
+    RegionIntersect(&rgnDst, &pWin->borderClip, prgnSrc);
+#ifdef COMPOSITE
+    if (pPixmap->screen_x || pPixmap->screen_y)
+	RegionTranslate(&rgnDst,
+			  -pPixmap->screen_x, -pPixmap->screen_y);
+#endif
+
+    if (pExaScr->fallback_counter) {
+	pExaScr->fallback_flags |= EXA_FALLBACK_COPYWINDOW;
+	goto fallback;
+    }
+
+    pExaScr->fallback_flags |= EXA_ACCEL_COPYWINDOW;
+    miCopyRegion (&pPixmap->drawable, &pPixmap->drawable,
+		  NULL,
+		  &rgnDst, dx, dy, exaCopyNtoN, 0, NULL);
+    pExaScr->fallback_flags &= ~EXA_ACCEL_COPYWINDOW;
+
+fallback:
+    RegionUninit(&rgnDst);
+
+    if (pExaScr->fallback_flags & EXA_FALLBACK_COPYWINDOW) {
+	pExaScr->fallback_flags &= ~EXA_FALLBACK_COPYWINDOW;
+	RegionTranslate(prgnSrc, dx, dy);
+	ExaCheckCopyWindow(pWin, ptOldOrg, prgnSrc);
+    }
+}
+
+static Bool
+exaFillRegionSolid (DrawablePtr	pDrawable, RegionPtr pRegion, Pixel pixel,
+		    CARD32 planemask, CARD32 alu, unsigned int clientClipType)
+{
+    ExaScreenPriv(pDrawable->pScreen);
+    PixmapPtr pPixmap = exaGetDrawablePixmap (pDrawable);
+    ExaPixmapPriv (pPixmap);
+    int xoff, yoff;
+    Bool ret = FALSE;
+
+    exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff);
+    RegionTranslate(pRegion, xoff, yoff);
+
+    if (pExaScr->fallback_counter || pExaPixmap->accel_blocked)
+	goto out;
+
+    if (pExaScr->do_migration) {
+	ExaMigrationRec pixmaps[1];
+
+	pixmaps[0].as_dst = TRUE;
+	pixmaps[0].as_src = FALSE;
+	pixmaps[0].pPix = pPixmap;
+	pixmaps[0].pReg = exaGCReadsDestination(pDrawable, planemask, FillSolid,
+						alu, clientClipType) ? NULL : pRegion;
+
+	exaDoMigration (pixmaps, 1, TRUE);
+    }
+
+    if (exaPixmapHasGpuCopy (pPixmap) &&
+	(*pExaScr->info->PrepareSolid) (pPixmap, alu, planemask, pixel))
+    {
+	int nbox;
+	BoxPtr pBox;
+
+	nbox = RegionNumRects (pRegion);
+	pBox = RegionRects (pRegion);
+
+	while (nbox--)
+	{
+	    (*pExaScr->info->Solid) (pPixmap, pBox->x1, pBox->y1, pBox->x2,
+				     pBox->y2);
+	    pBox++;
+	}
+	(*pExaScr->info->DoneSolid) (pPixmap);
+	exaMarkSync(pDrawable->pScreen);
+
+	if (pExaPixmap->pDamage &&
+	    pExaPixmap->sys_ptr && pDrawable->type == DRAWABLE_PIXMAP &&
+	    pDrawable->width == 1 && pDrawable->height == 1 &&
+	    pDrawable->bitsPerPixel != 24) {
+	    ExaPixmapPriv(pPixmap);
+	    RegionPtr pending_damage = DamagePendingRegion(pExaPixmap->pDamage);
+
+	    switch (pDrawable->bitsPerPixel) {
+	    case 32:
+		*(CARD32*)pExaPixmap->sys_ptr = pixel;
+		break;
+	    case 16:
+		*(CARD16*)pExaPixmap->sys_ptr = pixel;
+		break;
+	    case 8:
+	    case 4:
+	    case 1:
+		*(CARD8*)pExaPixmap->sys_ptr = pixel;
+	    }
+
+	    RegionUnion(&pExaPixmap->validSys, &pExaPixmap->validSys,
+			 pRegion);
+	    RegionUnion(&pExaPixmap->validFB, &pExaPixmap->validFB,
+			 pRegion);
+	    RegionSubtract(pending_damage, pending_damage, pRegion);
+	}
+
+	ret = TRUE;
+    }
+
+out:
+    RegionTranslate(pRegion, -xoff, -yoff);
+
+    return ret;
+}
+
+/* Try to do an accelerated tile of the pTile into pRegion of pDrawable.
+ * Based on fbFillRegionTiled(), fbTile().
+ */
+Bool
+exaFillRegionTiled (DrawablePtr pDrawable, RegionPtr pRegion, PixmapPtr pTile,
+		    DDXPointPtr pPatOrg, CARD32 planemask, CARD32 alu,
+		    unsigned int clientClipType)
+{
+    ExaScreenPriv(pDrawable->pScreen);
+    PixmapPtr pPixmap;
+    ExaPixmapPrivPtr pExaPixmap;
+    ExaPixmapPrivPtr pTileExaPixmap = ExaGetPixmapPriv(pTile);
+    int xoff, yoff;
+    int tileWidth, tileHeight;
+    int nbox = RegionNumRects (pRegion);
+    BoxPtr pBox = RegionRects (pRegion);
+    Bool ret = FALSE;
+    int i;
+
+    tileWidth = pTile->drawable.width;
+    tileHeight = pTile->drawable.height;
+
+    /* If we're filling with a solid color, grab it out and go to
+     * FillRegionSolid, saving numerous copies.
+     */
+    if (tileWidth == 1 && tileHeight == 1)
+	return exaFillRegionSolid(pDrawable, pRegion,
+				  exaGetPixmapFirstPixel (pTile), planemask,
+				  alu, clientClipType);
+
+    pPixmap = exaGetDrawablePixmap (pDrawable);
+    pExaPixmap = ExaGetPixmapPriv (pPixmap);
+
+    if (pExaScr->fallback_counter || pExaPixmap->accel_blocked ||
+	    pTileExaPixmap->accel_blocked)
+	return FALSE;
+
+    if (pExaScr->do_migration) {
+	ExaMigrationRec pixmaps[2];
+
+	pixmaps[0].as_dst = TRUE;
+	pixmaps[0].as_src = FALSE;
+	pixmaps[0].pPix = pPixmap;
+	pixmaps[0].pReg = exaGCReadsDestination(pDrawable, planemask, FillTiled,
+						alu, clientClipType) ? NULL : pRegion;
+	pixmaps[1].as_dst = FALSE;
+	pixmaps[1].as_src = TRUE;
+	pixmaps[1].pPix = pTile;
+	pixmaps[1].pReg = NULL;
+
+	exaDoMigration (pixmaps, 2, TRUE);
+    }
+
+    pPixmap = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff);
+
+    if (!pPixmap || !exaPixmapHasGpuCopy(pTile))
+	return FALSE;
+
+    if ((*pExaScr->info->PrepareCopy) (pTile, pPixmap, 1, 1, alu, planemask))
+    {
+	if (xoff || yoff)
+	    RegionTranslate(pRegion, xoff, yoff);
+
+	for (i = 0; i < nbox; i++)
+	{
+	    int height = pBox[i].y2 - pBox[i].y1;
+	    int dstY = pBox[i].y1;
+	    int tileY;
+
+	    if (alu == GXcopy)
+		height = min(height, tileHeight);
+
+	    modulus(dstY - yoff - pDrawable->y - pPatOrg->y, tileHeight, tileY);
+
+	    while (height > 0) {
+		int width = pBox[i].x2 - pBox[i].x1;
+		int dstX = pBox[i].x1;
+		int tileX;
+		int h = tileHeight - tileY;
+
+		if (alu == GXcopy)
+		    width = min(width, tileWidth);
+
+		if (h > height)
+		    h = height;
+		height -= h;
+
+		modulus(dstX - xoff - pDrawable->x - pPatOrg->x, tileWidth,
+			tileX);
+
+		while (width > 0) {
+		    int w = tileWidth - tileX;
+		    if (w > width)
+			w = width;
+		    width -= w;
+
+		    (*pExaScr->info->Copy) (pPixmap, tileX, tileY, dstX, dstY,
+					    w, h);
+		    dstX += w;
+		    tileX = 0;
+		}
+		dstY += h;
+		tileY = 0;
+	    }
+	}
+	(*pExaScr->info->DoneCopy) (pPixmap);
+
+	/* With GXcopy, we only need to do the basic algorithm up to the tile
+	 * size; then, we can just keep doubling the destination in each
+	 * direction until it fills the box. This way, the number of copy
+	 * operations is O(log(rx)) + O(log(ry)) instead of O(rx * ry), where
+	 * rx/ry is the ratio between box and tile width/height. This can make
+	 * a big difference if each driver copy incurs a significant constant
+	 * overhead.
+	 */
+	if (alu != GXcopy)
+	    ret = TRUE;
+	else {
+	    Bool more_copy = FALSE;
+
+	    for (i = 0; i < nbox; i++) {
+		int dstX = pBox[i].x1 + tileWidth;
+		int dstY = pBox[i].y1 + tileHeight;
+
+		if ((dstX < pBox[i].x2) || (dstY < pBox[i].y2)) {
+		    more_copy = TRUE;
+		    break;
+		}
+	    }
+
+	    if (more_copy == FALSE)
+		ret = TRUE;
+
+	    if (more_copy && (*pExaScr->info->PrepareCopy) (pPixmap, pPixmap,
+							    1, 1, alu, planemask)) {
+		for (i = 0; i < nbox; i++)
+		{
+		    int dstX = pBox[i].x1 + tileWidth;
+		    int dstY = pBox[i].y1 + tileHeight;
+		    int width = min(pBox[i].x2 - dstX, tileWidth);
+		    int height = min(pBox[i].y2 - pBox[i].y1, tileHeight);
+
+		    while (dstX < pBox[i].x2) {
+			(*pExaScr->info->Copy) (pPixmap, pBox[i].x1, pBox[i].y1,
+						dstX, pBox[i].y1, width, height);
+			dstX += width;
+			width = min(pBox[i].x2 - dstX, width * 2);
+		    }
+
+		    width = pBox[i].x2 - pBox[i].x1;
+		    height = min(pBox[i].y2 - dstY, tileHeight);
+
+		    while (dstY < pBox[i].y2) {
+			(*pExaScr->info->Copy) (pPixmap, pBox[i].x1, pBox[i].y1,
+						pBox[i].x1, dstY, width, height);
+			dstY += height;
+			height = min(pBox[i].y2 - dstY, height * 2);
+		    }
+		}
+
+		(*pExaScr->info->DoneCopy) (pPixmap);
+
+		ret = TRUE;
+	    }
+	}
+
+	exaMarkSync(pDrawable->pScreen);
+
+	if (xoff || yoff)
+	    RegionTranslate(pRegion, -xoff, -yoff);
+    }
+
+    return ret;
+}
+
+
+/**
+ * Accelerates GetImage for solid ZPixmap downloads from framebuffer memory.
+ *
+ * This is probably the only case we actually care about.  The rest fall through
+ * to migration and fbGetImage, which hopefully will result in migration pushing
+ * the pixmap out of framebuffer.
+ */
+void
+exaGetImage (DrawablePtr pDrawable, int x, int y, int w, int h,
+	     unsigned int format, unsigned long planeMask, char *d)
+{
+    ExaScreenPriv (pDrawable->pScreen);
+    PixmapPtr pPix = exaGetDrawablePixmap (pDrawable);
+    ExaPixmapPriv(pPix);
+    int xoff, yoff;
+    Bool ok;
+
+    if (pExaScr->fallback_counter || pExaScr->swappedOut)
+	goto fallback;
+
+    /* If there's a system copy, we want to save the result there */
+    if (pExaPixmap->pDamage)
+	goto fallback;
+
+    pPix = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff);
+
+    if (pPix == NULL || pExaScr->info->DownloadFromScreen == NULL)
+	goto fallback;
+
+    /* Only cover the ZPixmap, solid copy case. */
+    if (format != ZPixmap || !EXA_PM_IS_SOLID(pDrawable, planeMask))
+	goto fallback;
+
+    /* Only try to handle the 8bpp and up cases, since we don't want to think
+     * about <8bpp.
+     */
+    if (pDrawable->bitsPerPixel < 8)
+	goto fallback;
+
+    ok = pExaScr->info->DownloadFromScreen(pPix, pDrawable->x + x + xoff,
+					   pDrawable->y + y + yoff, w, h, d,
+					   PixmapBytePad(w, pDrawable->depth));
+    if (ok) {
+	exaWaitSync(pDrawable->pScreen);
+	return;
+    }
+
+fallback:
+    ExaCheckGetImage(pDrawable, x, y, w, h, format, planeMask, d);
+}