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xserver/exa/exa_accel.c

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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))
{
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);
exaPixmapDirty (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);
exaPixmapDirty (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;
if (pExaScr->swappedOut || pExaScr->info->UploadToScreen == NULL)
goto migrate_and_fallback;
/* 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;
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = exaGetDrawablePixmap (pDrawable);
exaDoMigration (pixmaps, 1, TRUE);
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) * bpp,
dst + (y1 + yoff) * dst_stride,
dst_stride,
(x1 + xoff) * bpp,
(x2 - x1) * bpp,
y2 - y1,
GXcopy, FB_ALLONES, bpp);
exaFinishAccess(pDrawable, EXA_PREPARE_DEST);
}
exaPixmapDirty(pPix, x1 + xoff, y1 + yoff, x2 + xoff, y2 + yoff);
}
return;
migrate_and_fallback:
pixmaps[0].as_dst = TRUE;
pixmaps[0].as_src = FALSE;
pixmaps[0].pPix = exaGetDrawablePixmap (pDrawable);
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];
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)
{
exaDoMigration (pixmaps, 2, FALSE);
goto fallback;
} else {
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 fallback;
return;
}
if ((pSrcPixmap = exaGetOffscreenPixmap (pSrcDrawable, &src_off_x, &src_off_y)) &&
(pDstPixmap = exaGetOffscreenPixmap (pDstDrawable, &dst_off_x, &dst_off_y)) &&
(*pExaScr->info->PrepareCopy) (pSrcPixmap, pDstPixmap,
reverse ? -1 : 1, upsidedown ? -1 : 1,
pGC ? pGC->alu : GXcopy,
pGC ? pGC->planemask : FB_ALLONES))
{
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);
exaPixmapDirty (pDstPixmap,
pbox->x1 + dst_off_x, pbox->y1 + dst_off_y,
pbox->x2 + dst_off_x, pbox->y2 + dst_off_y);
pbox++;
}
(*pExaScr->info->DoneCopy) (pDstPixmap);
exaMarkSync(pDstDrawable->pScreen);
return;
}
fallback:
EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrcDrawable, pDstDrawable,
exaDrawableLocation(pSrcDrawable),
exaDrawableLocation(pDstDrawable)));
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--)
{
exaDrawableDirty (pDstDrawable, pbox->x1, pbox->y1, pbox->x2, pbox->y2);
pbox++;
}
}
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 void
exaPolyFillRect(DrawablePtr pDrawable,
GCPtr pGC,
int nrect,
xRectangle *prect)
{
ExaScreenPriv (pDrawable->pScreen);
RegionPtr pClip = fbGetCompositeClip(pGC);
PixmapPtr 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;
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);
ExaCheckPolyFillRect (pDrawable, pGC, nrect, prect);
while (nrect-- >= 0) {
exaDrawableDirty(pDrawable,
pDrawable->x + prect->x,
pDrawable->y + prect->y,
pDrawable->x + prect->x + prect->width,
pDrawable->y + prect->y + prect->height);
prect++;
}
return;
} else {
exaDoMigration (pixmaps, 1, TRUE);
}
if (!(pPixmap = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff)) ||
!(*pExaScr->info->PrepareSolid) (pPixmap,
pGC->alu,
pGC->planemask,
pGC->fgPixel))
{
ExaCheckPolyFillRect (pDrawable, pGC, nrect, prect);
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()
*/
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)
{
exaDoMigration (pixmaps, 1, FALSE);
goto fallback;
} else {
exaDoMigration (pixmaps, 1, TRUE);
}
pPixmap = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff);
if (!pPixmap ||
!(*pExaScr->info->PrepareSolid) (pPixmap, GXcopy, pm, fg))
{
fallback:
EXA_FALLBACK(("to %p (%c)\n", pDrawable,
exaDrawableLocation(pDrawable)));
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);
} else
exaDrawableDirty (pDrawable, partX1, partY1, partX2, partY2);
}
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;
depthMask = FbFullMask(pDrawable->depth);
if ((pGC->planemask & depthMask) != depthMask)
{
ExaCheckImageGlyphBlt(pDrawable, pGC, x, y, nglyph, ppciInit, pglyphBase);
return;
}
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;
if (TERMINALFONT (pGC->font) && !glyph)
{
opaque = TRUE;
}
else
{
int xBack, widthBack;
int yBack, heightBack;
ppci = ppciInit;
n = nglyph;
widthBack = 0;
while (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);
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)));
exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
exaPrepareAccessGC (pGC);
fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
ppci = ppciInit;
while (nglyph--)
{
pci = *ppci++;
pglyph = FONTGLYPHBITS(pglyphBase, pci);
gWidth = GLYPHWIDTHPIXELS(pci);
gHeight = GLYPHHEIGHTPIXELS(pci);
if (gWidth && gHeight)
{
gx = x + pci->metrics.leftSideBearing;
gy = y - pci->metrics.ascent;
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);
exaDrawableDirty (pDrawable, gx, gy, gx + gWidth, gy + gHeight);
}
else
{
RegionPtr pClip = fbGetCompositeClip(pGC);
int nbox;
BoxPtr pbox;
gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof (FbStip);
fbPutXYImage (pDrawable,
pClip,
pPriv->fg,
pPriv->bg,
pPriv->pm,
GXcopy,
opaque,
gx,
gy,
gWidth, gHeight,
(FbStip *) pglyph,
gStride,
0);
for (nbox = REGION_NUM_RECTS(pClip), pbox = REGION_RECTS(pClip);
nbox--; pbox++) {
int x1 = max(gx, pbox->x1), x2 = min(gx + gWidth, pbox->x2);
int y1 = max(gy, pbox->y1), y2 = min(gy + gHeight, pbox->y2);
if (x1 >= x2 || y1 >= y2)
continue;
exaDrawableDirty (pDrawable, gx, gy, gx + gWidth,
gy + gHeight);
}
}
}
x += pci->metrics.characterWidth;
}
exaFinishAccessGC (pGC);
exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
}
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 void
exaFillRegionSolid (DrawablePtr pDrawable,
RegionPtr pRegion,
Pixel pixel)
{
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)
{
exaDoMigration (pixmaps, 1, FALSE);
goto fallback;
} else {
exaDoMigration (pixmaps, 1, TRUE);
}
if ((pPixmap = exaGetOffscreenPixmap (pDrawable, &xoff, &yoff)) &&
(*pExaScr->info->PrepareSolid) (pPixmap, GXcopy, FB_ALLONES, pixel))
{
while (nbox--)
{
(*pExaScr->info->Solid) (pPixmap,
pBox->x1 + xoff, pBox->y1 + yoff,
pBox->x2 + xoff, pBox->y2 + yoff);
exaPixmapDirty (pPixmap, pBox->x1 + xoff, pBox->y1 + yoff,
pBox->x2 + xoff, pBox->y2 + yoff);
pBox++;
}
(*pExaScr->info->DoneSolid) (pPixmap);
exaMarkSync(pDrawable->pScreen);
}
else
{
fallback:
EXA_FALLBACK(("to %p (%c)\n", pDrawable,
exaDrawableLocation(pDrawable)));
exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
fbFillRegionSolid (pDrawable, pRegion, 0,
fbReplicatePixel (pixel, pDrawable->bitsPerPixel));
exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
while (nbox--)
{
exaDrawableDirty (pDrawable, pBox->x1, pBox->y1, pBox->x2, pBox->y2);
pBox++;
}
}
}
/* Try to do an accelerated tile of the pTile into pRegion of pDrawable.
* Based on fbFillRegionTiled(), fbTile().
*/
static void
exaFillRegionTiled (DrawablePtr pDrawable,
RegionPtr pRegion,
PixmapPtr pTile)
{
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) {
exaFillRegionSolid(pDrawable, pRegion, exaGetPixmapFirstPixel (pTile));
return;
}
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)
{
exaDoMigration (pixmaps, 2, FALSE);
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, GXcopy,
FB_ALLONES))
{
while (nbox--)
{
int height = pBox->y2 - pBox->y1;
int dstY = pBox->y1;
int tileY;
tileY = (dstY - pDrawable->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) % 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;
}
exaPixmapDirty (pPixmap, pBox->x1 + xoff, pBox->y1 + yoff,
pBox->x2 + xoff, pBox->y2 + yoff);
pBox++;
}
(*pExaScr->info->DoneCopy) (pPixmap);
exaMarkSync(pDrawable->pScreen);
return;
}
fallback:
EXA_FALLBACK(("from %p to %p (%c,%c)\n", pTile, pDrawable,
exaDrawableLocation(&pTile->drawable),
exaDrawableLocation(pDrawable)));
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);
while (nbox--)
{
exaDrawableDirty (pDrawable, pBox->x1, pBox->y1, pBox->x2, pBox->y2);
pBox++;
}
}
void
exaPaintWindow(WindowPtr pWin, RegionPtr pRegion, int what)
{
ExaScreenPriv (pWin->drawable.pScreen);
if (!REGION_NUM_RECTS(pRegion))
return;
if (!pExaScr->swappedOut) {
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);
return;
case BackgroundPixmap:
exaFillRegionTiled((DrawablePtr)pWin, pRegion, pWin->background.pixmap);
return;
}
break;
case PW_BORDER:
if (pWin->borderIsPixel) {
exaFillRegionSolid((DrawablePtr)pWin, pRegion, pWin->border.pixel);
return;
} else {
exaFillRegionTiled((DrawablePtr)pWin, pRegion, pWin->border.pixmap);
return;
}
break;
}
}
ExaCheckPaintWindow (pWin, pRegion, what);
}
/**
* 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 || 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;
/* Migrate, but assume that we could accelerate the download. It is up to
* the migration scheme to ensure that this case doesn't result in bad
* moving of pixmaps.
*/
pixmaps[0].as_dst = FALSE;
pixmaps[0].as_src = TRUE;
pixmaps[0].pPix = exaGetDrawablePixmap (pDrawable);
exaDoMigration (pixmaps, 1, TRUE);
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;
}
fallback:
pixmaps[0].as_dst = FALSE;
pixmaps[0].as_src = TRUE;
pixmaps[0].pPix = exaGetDrawablePixmap (pDrawable);
exaDoMigration (pixmaps, 1, FALSE);
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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