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87966c5d28
xserver-multidpi/exa/exa_accel.c
Michel Dänzer 87966c5d28 exaGetImage: Don't migrate or try to accelerate for 1x1. 
This is mainly to avoid wasting effort for XSync(), but just reading a single
pixel directly is probably faster than DownloadFromScreen anyway. Though in
light of the latter, even larger thresholds might be useful.

Also move the swappedOut check before the migration checks because migration
can't actually occur when swapped out.
2007-06-20 18:46:03 +02:00

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/*
* 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"
#include "cw.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;
BoxPtr pextent, pbox;
int nbox;
int extentX1, extentX2, extentY1, extentY2;
int fullX1, fullX2, fullY1;
int partX1, partX2;
int off_x, off_y;
ExaMigrationRec pixmaps[1];
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = pPixmap = exaGetDrawablePixmap (pDrawable);
if (pExaScr->swappedOut ||
pGC->fillStyle != FillSolid ||
pPixmap->drawable.width > pExaScr->info->maxX ||
pPixmap->drawable.height > pExaScr->info->maxY)
{
exaDoMigration (pixmaps, 1, FALSE);
ExaCheckFillSpans (pDrawable, pGC, n, ppt, pwidth, fSorted);
return;
} else {
exaDoMigration (pixmaps, 1, TRUE);
}
if (!(pPixmap = exaGetOffscreenPixmap (pDrawable, &off_x, &off_y)) ||
!(*pExaScr->info->PrepareSolid) (pPixmap,
pGC->alu,
pGC->planemask,
pGC->fgPixel))
{
exaDoMigration (pixmaps, 1, FALSE);
ExaCheckFillSpans (pDrawable, pGC, n, ppt, pwidth, fSorted);
return;
}
pextent = REGION_EXTENTS(pGC->pScreen, 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 = REGION_NUM_RECTS (pClip);
if (nbox == 1)
{
(*pExaScr->info->Solid) (pPixmap,
fullX1 + off_x, fullY1 + off_y,
fullX2 + off_x, fullY1 + 1 + off_y);
}
else
{
pbox = REGION_RECTS(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 void
exaPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y,
int w, int h, int leftPad, int format, char *bits)
{
ExaScreenPriv (pDrawable->pScreen);
PixmapPtr pPix;
ExaMigrationRec pixmaps[1];
RegionPtr pClip;
BoxPtr pbox;
int nbox;
int xoff, yoff;
int src_stride, bpp = pDrawable->bitsPerPixel;
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = exaGetDrawablePixmap (pDrawable);
/* Don't bother with under 8bpp, XYPixmaps. */
if (format != ZPixmap || bpp < 8)
goto migrate_and_fallback;
/* Only accelerate copies: no rop or planemask. */
if (!EXA_PM_IS_SOLID(pDrawable, pGC->planemask) || pGC->alu != GXcopy)
goto migrate_and_fallback;
if (pExaScr->swappedOut)
goto fallback;
exaDoMigration (pixmaps, 1, TRUE);
if (pExaScr->info->UploadToScreen == NULL)
goto fallback;
pPix = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff);
if (pPix == NULL)
goto fallback;
x += pDrawable->x;
y += pDrawable->y;
pClip = fbGetCompositeClip(pGC);
src_stride = PixmapBytePad(w, pDrawable->depth);
for (nbox = REGION_NUM_RECTS(pClip),
pbox = REGION_RECTS(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);
/* If we fail to accelerate the upload, fall back to using unaccelerated
* fb calls.
*/
if (!ok) {
FbStip *dst;
FbStride dst_stride;
int dstBpp;
int dstXoff, dstYoff;
exaPrepareAccess(pDrawable, EXA_PREPARE_DEST);
fbGetStipDrawable(pDrawable, dst, dst_stride, dstBpp,
dstXoff, dstYoff);
fbBltStip((FbStip *)bits + (y1 - y) * (src_stride / sizeof(FbStip)),
src_stride / sizeof(FbStip),
(x1 - x) * dstBpp,
dst + (y1 + dstYoff) * dst_stride,
dst_stride,
(x1 + dstXoff) * dstBpp,
(x2 - x1) * dstBpp,
y2 - y1,
GXcopy, FB_ALLONES, dstBpp);
exaFinishAccess(pDrawable, EXA_PREPARE_DEST);
}
exaPixmapDirty(pPix, x1 + xoff, y1 + yoff, x2 + xoff, y2 + yoff);
}
return;
migrate_and_fallback:
exaDoMigration (pixmaps, 1, FALSE);
fallback:
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);
}
exaPixmapDirty(pDstPixmap, dst_off_x + pbox->x1, dst_off_y + pbox->y1,
dst_off_x + pbox->x2, dst_off_y + pbox->y2);
}
if (dirsetup != 0)
pExaScr->info->DoneCopy(pDstPixmap);
exaMarkSync(pDstDrawable->pScreen);
return TRUE;
}
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);
PixmapPtr pSrcPixmap, pDstPixmap;
int src_off_x, src_off_y;
int dst_off_x, dst_off_y;
ExaMigrationRec pixmaps[2];
Bool fallback = FALSE;
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = pDstPixmap = exaGetDrawablePixmap (pDstDrawable);
pixmaps[1].as_dst = FALSE;
pixmaps[1].as_src = TRUE;
pixmaps[1].pPix = pSrcPixmap = exaGetDrawablePixmap (pSrcDrawable);
/* Respect maxX/maxY in a trivial way: don't set up drawing when we might
* violate the limits. The proper solution would be a temporary pixmap
* adjusted so that the drawing happened within limits.
*/
if (pSrcPixmap->drawable.width > pExaScr->info->maxX ||
pSrcPixmap->drawable.height > pExaScr->info->maxY ||
pDstPixmap->drawable.width > pExaScr->info->maxX ||
pDstPixmap->drawable.height > pExaScr->info->maxY)
{
fallback = TRUE;
} else {
exaDoMigration (pixmaps, 2, TRUE);
}
/* Mixed directions must be handled specially if the card is lame */
if (!fallback && (pExaScr->info->flags & EXA_TWO_BITBLT_DIRECTIONS) &&
reverse != upsidedown) {
if (exaCopyNtoNTwoDir(pSrcDrawable, pDstDrawable, pGC, pbox, nbox,
dx, dy))
return;
fallback = 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);
if (fallback || !exaPixmapIsOffscreen(pSrcPixmap) ||
!exaPixmapIsOffscreen(pDstPixmap) ||
!(*pExaScr->info->PrepareCopy) (pSrcPixmap, pDstPixmap, reverse ? -1 : 1,
upsidedown ? -1 : 1,
pGC ? pGC->alu : GXcopy,
pGC ? pGC->planemask : FB_ALLONES)) {
fallback = TRUE;
EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrcDrawable, pDstDrawable,
exaDrawableLocation(pSrcDrawable),
exaDrawableLocation(pDstDrawable)));
exaDoMigration (pixmaps, 2, FALSE);
exaPrepareAccess (pDstDrawable, EXA_PREPARE_DEST);
exaPrepareAccess (pSrcDrawable, EXA_PREPARE_SRC);
fbCopyNtoN (pSrcDrawable, pDstDrawable, pGC,
pbox, nbox, dx, dy, reverse, upsidedown,
bitplane, closure);
exaFinishAccess (pSrcDrawable, EXA_PREPARE_SRC);
exaFinishAccess (pDstDrawable, EXA_PREPARE_DEST);
}
while (nbox--)
{
if (!fallback)
(*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);
exaPixmapDirty (pDstPixmap, pbox->x1 + dst_off_x, pbox->y1 + dst_off_y,
pbox->x2 + dst_off_x, pbox->y2 + dst_off_y);
pbox++;
}
if (fallback)
return;
(*pExaScr->info->DoneCopy) (pDstPixmap);
exaMarkSync (pDstDrawable->pScreen);
}
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->swappedOut) {
return ExaCheckCopyArea(pSrcDrawable, pDstDrawable, pGC,
srcx, srcy, width, height, dstx, dsty);
}
return fbDoCopy (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)
{
int i;
xRectangle *prect;
/* If we can't reuse the current GC as is, don't bother accelerating the
* points.
*/
if (pGC->fillStyle != FillSolid) {
ExaCheckPolyPoint(pDrawable, pGC, mode, npt, ppt);
return;
}
prect = ALLOCATE_LOCAL(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);
DEALLOCATE_LOCAL(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)
{
xRectangle *prect;
int x1, x2, y1, y2;
int i;
/* 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 = ALLOCATE_LOCAL(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; 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) {
DEALLOCATE_LOCAL(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);
DEALLOCATE_LOCAL(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)
{
xRectangle *prect;
int i;
/* Don't try to do wide lines or non-solid fill style. */
if (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 = ALLOCATE_LOCAL(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;
}
}
pGC->ops->PolyFillRect(pDrawable, pGC, nseg, prect);
DEALLOCATE_LOCAL(prect);
}
static Bool exaFillRegionSolid (DrawablePtr pDrawable, RegionPtr pRegion,
Pixel pixel, CARD32 planemask, CARD32 alu);
static void
exaPolyFillRect(DrawablePtr pDrawable,
GCPtr pGC,
int nrect,
xRectangle *prect)
{
ExaScreenPriv (pDrawable->pScreen);
RegionPtr pClip = fbGetCompositeClip(pGC);
PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
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;
ExaMigrationRec pixmaps[2];
RegionPtr pReg = RECTS_TO_REGION(pScreen, nrect, prect, CT_UNSORTED);
RegionPtr pDamageReg = DamageRegion(ExaGetPixmapPriv(pPixmap)->pDamage);
/* Compute intersection of rects and clip region */
REGION_TRANSLATE(pScreen, pReg, pDrawable->x, pDrawable->y);
REGION_INTERSECT(pScreen, pReg, pClip, pReg);
if (!REGION_NUM_RECTS(pReg)) {
REGION_DESTROY(pScreen, pReg);
return;
}
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = pPixmap;
exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff);
if (pExaScr->swappedOut ||
pPixmap->drawable.width > pExaScr->info->maxX ||
pPixmap->drawable.height > pExaScr->info->maxY)
{
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) &&
(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->fillStyle == FillTiled && !pGC->tileIsPixel &&
exaFillRegionTiled(pDrawable, pReg, pGC->tile.pixmap, &pGC->patOrg,
pGC->planemask, pGC->alu))) {
goto damage;
}
}
if (pGC->fillStyle != FillSolid &&
!(pGC->tileIsPixel && pGC->fillStyle == FillTiled))
{
goto fallback;
}
exaDoMigration (pixmaps, 1, TRUE);
if (!exaPixmapIsOffscreen (pPixmap) ||
!(*pExaScr->info->PrepareSolid) (pPixmap,
pGC->alu,
pGC->planemask,
pGC->fgPixel))
{
fallback:
if (pGC->fillStyle == FillTiled && !pGC->tileIsPixel) {
pixmaps[1].as_dst = FALSE;
pixmaps[1].as_src = TRUE;
pixmaps[1].pPix = pGC->tile.pixmap;
exaDoMigration (pixmaps, 2, FALSE);
} else {
exaDoMigration (pixmaps, 1, FALSE);
}
ExaCheckPolyFillRect (pDrawable, pGC, nrect, prect);
damage:
REGION_TRANSLATE(pScreen, pReg, xoff, yoff);
REGION_UNION(pScreen, pDamageReg, pReg, pDamageReg);
REGION_DESTROY(pScreen, pReg);
return;
}
xorg = pDrawable->x;
yorg = pDrawable->y;
pextent = REGION_EXTENTS(pGC->pScreen, 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 = REGION_NUM_RECTS (pClip);
if (n == 1)
{
(*pExaScr->info->Solid) (pPixmap,
fullX1 + xoff, fullY1 + yoff,
fullX2 + xoff, fullY2 + yoff);
exaPixmapDirty (pPixmap, fullX1 + xoff, fullY1 + yoff,
fullX2 + xoff, fullY2 + yoff);
}
else
{
pbox = REGION_RECTS(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);
exaPixmapDirty (pPixmap, partX1 + xoff, partY1 + yoff,
partX2 + xoff, partY2 + yoff);
}
}
}
}
(*pExaScr->info->DoneSolid) (pPixmap);
exaMarkSync(pDrawable->pScreen);
}
static void
exaSolidBoxClipped (DrawablePtr pDrawable,
RegionPtr pClip,
FbBits pm,
FbBits fg,
int x1,
int y1,
int x2,
int y2)
{
ExaScreenPriv (pDrawable->pScreen);
PixmapPtr pPixmap;
BoxPtr pbox;
int nbox;
int xoff, yoff;
int partX1, partX2, partY1, partY2;
ExaMigrationRec pixmaps[1];
Bool fallback = FALSE;
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = pPixmap = exaGetDrawablePixmap (pDrawable);
if (pExaScr->swappedOut ||
pPixmap->drawable.width > pExaScr->info->maxX ||
pPixmap->drawable.height > pExaScr->info->maxY)
{
fallback = TRUE;
} else {
exaDoMigration (pixmaps, 1, TRUE);
}
exaGetDrawableDeltas (pDrawable, pPixmap, &xoff, &yoff);
if (fallback || !exaPixmapIsOffscreen(pPixmap) ||
!(*pExaScr->info->PrepareSolid) (pPixmap, GXcopy, pm, fg))
{
EXA_FALLBACK(("to %p (%c)\n", pDrawable,
exaDrawableLocation(pDrawable)));
exaDoMigration (pixmaps, 1, FALSE);
fallback = TRUE;
exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
fg = fbReplicatePixel (fg, pDrawable->bitsPerPixel);
fbSolidBoxClipped (pDrawable, pClip, x1, y1, x2, y2,
fbAnd (GXcopy, fg, pm),
fbXor (GXcopy, fg, pm));
exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
}
for (nbox = REGION_NUM_RECTS(pClip), pbox = REGION_RECTS(pClip);
nbox--;
pbox++)
{
partX1 = pbox->x1;
if (partX1 < x1)
partX1 = x1;
partX2 = pbox->x2;
if (partX2 > x2)
partX2 = x2;
if (partX2 <= partX1)
continue;
partY1 = pbox->y1;
if (partY1 < y1)
partY1 = y1;
partY2 = pbox->y2;
if (partY2 > y2)
partY2 = y2;
if (partY2 <= partY1)
continue;
if (!fallback) {
(*pExaScr->info->Solid) (pPixmap,
partX1 + xoff, partY1 + yoff,
partX2 + xoff, partY2 + yoff);
}
exaPixmapDirty (pPixmap, partX1 + xoff, partY1 + yoff, partX2 + xoff,
partY2 + yoff);
}
if (fallback)
return;
(*pExaScr->info->DoneSolid) (pPixmap);
exaMarkSync(pDrawable->pScreen);
}
static void
exaImageGlyphBlt (DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
unsigned int nglyph,
CharInfoPtr *ppciInit,
pointer pglyphBase)
{
FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
CharInfoPtr *ppci;
CharInfoPtr pci;
unsigned char *pglyph; /* pointer bits in glyph */
int gWidth, gHeight; /* width and height of glyph */
FbStride gStride; /* stride of glyph */
Bool opaque;
int n;
int gx, gy;
void (*glyph) (FbBits *,
FbStride,
int,
FbStip *,
FbBits,
int,
int);
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
FbBits depthMask;
PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
ExaMigrationRec pixmaps[1];
int xBack, widthBack, yBack, heightBack;
for (ppci = ppciInit, n = nglyph, widthBack = 0; n; n--)
widthBack += (*ppci++)->metrics.characterWidth;
xBack = x;
if (widthBack < 0)
{
xBack += widthBack;
widthBack = -widthBack;
}
yBack = y - FONTASCENT(pGC->font);
heightBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font);
if (xBack >= pDrawable->width || yBack >= pDrawable->height ||
(xBack + widthBack) <= 0 || (yBack + heightBack) <= 0)
return;
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = TRUE;
pixmaps[0].pPix = pPixmap;
depthMask = FbFullMask(pDrawable->depth);
if ((pGC->planemask & depthMask) != depthMask)
{
exaDoMigration(pixmaps, 1, FALSE);
ExaCheckImageGlyphBlt(pDrawable, pGC, x, y, nglyph, ppciInit, pglyphBase);
goto damage;
}
glyph = NULL;
switch (pDrawable->bitsPerPixel) {
case 8: glyph = fbGlyph8; break;
case 16: glyph = fbGlyph16; break;
case 24: glyph = fbGlyph24; break;
case 32: glyph = fbGlyph32; break;
}
x += pDrawable->x;
y += pDrawable->y;
xBack += pDrawable->x;
yBack += pDrawable->y;
if (TERMINALFONT (pGC->font) && !glyph)
{
opaque = TRUE;
}
else
{
exaSolidBoxClipped (pDrawable,
fbGetCompositeClip(pGC),
pGC->planemask,
pGC->bgPixel,
xBack,
yBack,
xBack + widthBack,
yBack + heightBack);
opaque = FALSE;
}
EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
exaDoMigration(pixmaps, 1, FALSE);
exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
exaPrepareAccessGC (pGC);
fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
for (ppci = ppciInit; nglyph; nglyph--, x += pci->metrics.characterWidth)
{
pci = *ppci++;
gWidth = GLYPHWIDTHPIXELS(pci);
gHeight = GLYPHHEIGHTPIXELS(pci);
gx = x + pci->metrics.leftSideBearing;
gy = y - pci->metrics.ascent;
if (!gWidth || !gHeight || (gx + gWidth) <= xBack ||
(gy + gHeight) <= yBack || gx >= (xBack + widthBack) ||
gy >= (yBack + heightBack))
continue;
pglyph = FONTGLYPHBITS(pglyphBase, pci);
if (glyph && gWidth <= sizeof (FbStip) * 8 &&
fbGlyphIn (fbGetCompositeClip(pGC), gx, gy, gWidth, gHeight))
{
(*glyph) (dst + (gy + dstYoff) * dstStride, dstStride, dstBpp,
(FbStip *) pglyph, pPriv->fg, gx + dstXoff, gHeight);
}
else
{
RegionPtr pClip = fbGetCompositeClip(pGC);
gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof (FbStip);
fbPutXYImage (pDrawable, pClip, pPriv->fg, pPriv->bg, pPriv->pm,
GXcopy, opaque, gx, gy, gWidth, gHeight,
(FbStip *) pglyph, gStride, 0);
}
}
exaFinishAccessGC (pGC);
exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
damage:
exaGetDrawableDeltas(pDrawable, pPixmap, &dstXoff, &dstYoff);
exaPixmapDirty(pPixmap, xBack + dstXoff, yBack + dstYoff,
xBack + dstXoff + widthBack, yBack + dstYoff + heightBack);
}
const GCOps exaOps = {
exaFillSpans,
ExaCheckSetSpans,
exaPutImage,
exaCopyArea,
ExaCheckCopyPlane,
exaPolyPoint,
exaPolylines,
exaPolySegment,
miPolyRectangle,
ExaCheckPolyArc,
miFillPolygon,
exaPolyFillRect,
miPolyFillArc,
miPolyText8,
miPolyText16,
miImageText8,
miImageText16,
exaImageGlyphBlt,
ExaCheckPolyGlyphBlt,
ExaCheckPushPixels,
};
void
exaCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
{
RegionRec rgnDst;
int dx, dy;
PixmapPtr pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);
dx = ptOldOrg.x - pWin->drawable.x;
dy = ptOldOrg.y - pWin->drawable.y;
REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy);
REGION_INIT (pWin->drawable.pScreen, &rgnDst, NullBox, 0);
REGION_INTERSECT(pWin->drawable.pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
#ifdef COMPOSITE
if (pPixmap->screen_x || pPixmap->screen_y)
REGION_TRANSLATE (pWin->drawable.pScreen, &rgnDst,
-pPixmap->screen_x, -pPixmap->screen_y);
#endif
fbCopyRegion (&pPixmap->drawable, &pPixmap->drawable,
NULL,
&rgnDst, dx, dy, exaCopyNtoN, 0, NULL);
REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
}
static Bool
exaFillRegionSolid (DrawablePtr pDrawable,
RegionPtr pRegion,
Pixel pixel,
CARD32 planemask,
CARD32 alu)
{
ExaScreenPriv(pDrawable->pScreen);
PixmapPtr pPixmap;
int xoff, yoff;
ExaMigrationRec pixmaps[1];
int nbox = REGION_NUM_RECTS (pRegion);
BoxPtr pBox = REGION_RECTS (pRegion);
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = pPixmap = exaGetDrawablePixmap (pDrawable);
if (pPixmap->drawable.width > pExaScr->info->maxX ||
pPixmap->drawable.height > pExaScr->info->maxY)
{
goto fallback;
} else {
exaDoMigration (pixmaps, 1, TRUE);
}
if ((pPixmap = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff)) &&
(*pExaScr->info->PrepareSolid) (pPixmap, alu, planemask, pixel))
{
while (nbox--)
{
(*pExaScr->info->Solid) (pPixmap,
pBox->x1 + xoff, pBox->y1 + yoff,
pBox->x2 + xoff, pBox->y2 + yoff);
pBox++;
}
(*pExaScr->info->DoneSolid) (pPixmap);
exaMarkSync(pDrawable->pScreen);
}
else
{
fallback:
if (alu != GXcopy || planemask != FB_ALLONES)
return FALSE;
EXA_FALLBACK(("to %p (%c)\n", pDrawable,
exaDrawableLocation(pDrawable)));
exaDoMigration (pixmaps, 1, FALSE);
exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
fbFillRegionSolid (pDrawable, pRegion, 0,
fbReplicatePixel (pixel, pDrawable->bitsPerPixel));
exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
}
return TRUE;
}
/* 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)
{
ExaScreenPriv(pDrawable->pScreen);
PixmapPtr pPixmap;
int xoff, yoff, tileXoff, tileYoff;
int tileWidth, tileHeight;
ExaMigrationRec pixmaps[2];
int nbox = REGION_NUM_RECTS (pRegion);
BoxPtr pBox = REGION_RECTS (pRegion);
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);
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = pPixmap = exaGetDrawablePixmap (pDrawable);
pixmaps[1].as_dst = FALSE;
pixmaps[1].as_src = TRUE;
pixmaps[1].pPix = pTile;
if (pPixmap->drawable.width > pExaScr->info->maxX ||
pPixmap->drawable.height > pExaScr->info->maxY ||
tileWidth > pExaScr->info->maxX ||
tileHeight > pExaScr->info->maxY)
{
goto fallback;
} else {
exaDoMigration (pixmaps, 2, TRUE);
}
pPixmap = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff);
if (!pPixmap)
goto fallback;
if (!exaPixmapIsOffscreen(pTile))
goto fallback;
if ((*pExaScr->info->PrepareCopy) (exaGetOffscreenPixmap((DrawablePtr)pTile,
&tileXoff, &tileYoff),
pPixmap, 0, 0, alu, planemask))
{
while (nbox--)
{
int height = pBox->y2 - pBox->y1;
int dstY = pBox->y1;
int tileY;
tileY = (dstY - pDrawable->y - pPatOrg->y) % tileHeight;
while (height > 0) {
int width = pBox->x2 - pBox->x1;
int dstX = pBox->x1;
int tileX;
int h = tileHeight - tileY;
if (h > height)
h = height;
height -= h;
tileX = (dstX - pDrawable->x - pPatOrg->x) % tileWidth;
while (width > 0) {
int w = tileWidth - tileX;
if (w > width)
w = width;
width -= w;
(*pExaScr->info->Copy) (pPixmap,
tileX + tileXoff, tileY + tileYoff,
dstX + xoff, dstY + yoff,
w, h);
dstX += w;
tileX = 0;
}
dstY += h;
tileY = 0;
}
pBox++;
}
(*pExaScr->info->DoneCopy) (pPixmap);
exaMarkSync(pDrawable->pScreen);
return TRUE;
}
fallback:
if (alu != GXcopy || planemask != FB_ALLONES)
return FALSE;
EXA_FALLBACK(("from %p to %p (%c,%c)\n", pTile, pDrawable,
exaDrawableLocation(&pTile->drawable),
exaDrawableLocation(pDrawable)));
exaDoMigration (pixmaps, 2, FALSE);
exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
exaPrepareAccess ((DrawablePtr)pTile, EXA_PREPARE_SRC);
fbFillRegionTiled (pDrawable, pRegion, pTile);
exaFinishAccess ((DrawablePtr)pTile, EXA_PREPARE_SRC);
exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
return TRUE;
}
void
exaPaintWindow(WindowPtr pWin, RegionPtr pRegion, int what)
{
ExaScreenPriv (pWin->drawable.pScreen);
PixmapPtr pPixmap = exaGetDrawablePixmap((DrawablePtr)pWin);
int xoff, yoff;
BoxPtr pBox;
int nbox = REGION_NUM_RECTS(pRegion);
if (!nbox)
return;
if (!pExaScr->swappedOut) {
DDXPointRec zeros = { 0, 0 };
switch (what) {
case PW_BACKGROUND:
switch (pWin->backgroundState) {
case None:
return;
case ParentRelative:
do {
pWin = pWin->parent;
} while (pWin->backgroundState == ParentRelative);
(*pWin->drawable.pScreen->PaintWindowBackground)(pWin, pRegion,
what);
return;
case BackgroundPixel:
exaFillRegionSolid((DrawablePtr)pWin, pRegion, pWin->background.pixel,
FB_ALLONES, GXcopy);
goto damage;
case BackgroundPixmap:
exaFillRegionTiled((DrawablePtr)pWin, pRegion, pWin->background.pixmap,
&zeros, FB_ALLONES, GXcopy);
goto damage;
}
break;
case PW_BORDER:
if (pWin->borderIsPixel) {
exaFillRegionSolid((DrawablePtr)pWin, pRegion, pWin->border.pixel,
FB_ALLONES, GXcopy);
goto damage;
} else {
exaFillRegionTiled((DrawablePtr)pWin, pRegion, pWin->border.pixmap,
&zeros, FB_ALLONES, GXcopy);
goto damage;
}
break;
}
}
ExaCheckPaintWindow (pWin, pRegion, what);
damage:
exaGetDrawableDeltas((DrawablePtr)pWin, pPixmap, &xoff, &yoff);
pBox = REGION_RECTS(pRegion);
while (nbox--)
{
exaPixmapDirty (pPixmap, pBox->x1 + xoff, pBox->y1 + yoff,
pBox->x2 + xoff, pBox->y2 + yoff);
pBox++;
}
}
/**
* 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 ExaCheckGetImage, 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);
ExaMigrationRec pixmaps[1];
PixmapPtr pPix;
int xoff, yoff;
Bool ok;
if (pExaScr->swappedOut || (w == 1 && h == 1))
goto fallback;
if (pExaScr->info->DownloadFromScreen == NULL)
goto migrate_and_fallback;
/* Only cover the ZPixmap, solid copy case. */
if (format != ZPixmap || !EXA_PM_IS_SOLID(pDrawable, planeMask))
goto migrate_and_fallback;
/* Only try to handle the 8bpp and up cases, since we don't want to think
* about <8bpp.
*/
if (pDrawable->bitsPerPixel < 8)
goto migrate_and_fallback;
pPix = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff);
if (pPix == NULL)
goto fallback;
xoff += pDrawable->x;
yoff += pDrawable->y;
ok = pExaScr->info->DownloadFromScreen(pPix, x + xoff, y + yoff, w, h, d,
PixmapBytePad(w, pDrawable->depth));
if (ok) {
exaWaitSync(pDrawable->pScreen);
return;
}
migrate_and_fallback:
pixmaps[0].as_dst = FALSE;
pixmaps[0].as_src = TRUE;
pixmaps[0].pPix = exaGetDrawablePixmap (pDrawable);
exaDoMigration (pixmaps, 1, FALSE);
fallback:
ExaCheckGetImage (pDrawable, x, y, w, h, format, planeMask, d);
}
/**
* GetSpans isn't accelerated yet, but performs migration so that we'll
* hopefully avoid the read-from-framebuffer cost.
*/
void
exaGetSpans (DrawablePtr pDrawable, int wMax, DDXPointPtr ppt, int *pwidth,
int nspans, char *pdstStart)
{
ExaMigrationRec pixmaps[1];
pixmaps[0].as_dst = FALSE;
pixmaps[0].as_src = TRUE;
pixmaps[0].pPix = exaGetDrawablePixmap (pDrawable);
exaDoMigration (pixmaps, 1, FALSE);
ExaCheckGetSpans (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
}
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