1298 lines
42 KiB
C
1298 lines
42 KiB
C
/*
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* Copyright © 2001 Keith Packard
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*
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* Partly based on code that is Copyright © The XFree86 Project Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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* Michel Dänzer <michel@tungstengraphics.com>
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*
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "exa_priv.h"
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#include <X11/fonts/fontstruct.h>
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#include "dixfontstr.h"
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#include "exa.h"
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static void
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exaFillSpans(DrawablePtr pDrawable, GCPtr pGC, int n,
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DDXPointPtr ppt, int *pwidth, int fSorted)
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{
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ScreenPtr pScreen = pDrawable->pScreen;
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ExaScreenPriv(pScreen);
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RegionPtr pClip = fbGetCompositeClip(pGC);
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PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
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ExaPixmapPriv(pPixmap);
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BoxPtr pextent, pbox;
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int nbox;
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int extentX1, extentX2, extentY1, extentY2;
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int fullX1, fullX2, fullY1;
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int partX1, partX2;
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int off_x, off_y;
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if (pExaScr->fallback_counter ||
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pExaScr->swappedOut ||
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pGC->fillStyle != FillSolid || pExaPixmap->accel_blocked) {
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ExaCheckFillSpans(pDrawable, pGC, n, ppt, pwidth, fSorted);
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return;
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}
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if (pExaScr->do_migration) {
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ExaMigrationRec pixmaps[1];
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pixmaps[0].as_dst = TRUE;
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pixmaps[0].as_src = FALSE;
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pixmaps[0].pPix = pPixmap;
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pixmaps[0].pReg = NULL;
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exaDoMigration(pixmaps, 1, TRUE);
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}
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if (!(pPixmap = exaGetOffscreenPixmap(pDrawable, &off_x, &off_y)) ||
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!(*pExaScr->info->PrepareSolid) (pPixmap,
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pGC->alu,
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pGC->planemask, pGC->fgPixel)) {
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ExaCheckFillSpans(pDrawable, pGC, n, ppt, pwidth, fSorted);
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return;
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}
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pextent = RegionExtents(pClip);
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extentX1 = pextent->x1;
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extentY1 = pextent->y1;
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extentX2 = pextent->x2;
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extentY2 = pextent->y2;
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while (n--) {
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fullX1 = ppt->x;
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fullY1 = ppt->y;
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fullX2 = fullX1 + (int) *pwidth;
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ppt++;
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pwidth++;
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if (fullY1 < extentY1 || extentY2 <= fullY1)
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continue;
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if (fullX1 < extentX1)
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fullX1 = extentX1;
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if (fullX2 > extentX2)
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fullX2 = extentX2;
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if (fullX1 >= fullX2)
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continue;
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nbox = RegionNumRects(pClip);
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if (nbox == 1) {
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(*pExaScr->info->Solid) (pPixmap,
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fullX1 + off_x, fullY1 + off_y,
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fullX2 + off_x, fullY1 + 1 + off_y);
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}
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else {
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pbox = RegionRects(pClip);
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while (nbox--) {
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if (pbox->y1 <= fullY1 && fullY1 < pbox->y2) {
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partX1 = pbox->x1;
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if (partX1 < fullX1)
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partX1 = fullX1;
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partX2 = pbox->x2;
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if (partX2 > fullX2)
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partX2 = fullX2;
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if (partX2 > partX1) {
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(*pExaScr->info->Solid) (pPixmap,
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partX1 + off_x, fullY1 + off_y,
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partX2 + off_x,
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fullY1 + 1 + off_y);
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}
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}
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pbox++;
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}
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}
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}
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(*pExaScr->info->DoneSolid) (pPixmap);
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exaMarkSync(pScreen);
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}
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static Bool
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exaDoPutImage(DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y,
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int w, int h, int format, char *bits, int src_stride)
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{
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ExaScreenPriv(pDrawable->pScreen);
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PixmapPtr pPix = exaGetDrawablePixmap(pDrawable);
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ExaPixmapPriv(pPix);
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RegionPtr pClip;
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BoxPtr pbox;
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int nbox;
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int xoff, yoff;
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int bpp = pDrawable->bitsPerPixel;
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Bool ret = TRUE;
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if (pExaScr->fallback_counter || pExaPixmap->accel_blocked ||
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!pExaScr->info->UploadToScreen)
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return FALSE;
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/* If there's a system copy, we want to save the result there */
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if (pExaPixmap->pDamage)
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return FALSE;
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/* Don't bother with under 8bpp, XYPixmaps. */
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if (format != ZPixmap || bpp < 8)
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return FALSE;
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/* Only accelerate copies: no rop or planemask. */
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if (!EXA_PM_IS_SOLID(pDrawable, pGC->planemask) || pGC->alu != GXcopy)
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return FALSE;
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if (pExaScr->swappedOut)
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return FALSE;
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if (pExaScr->do_migration) {
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ExaMigrationRec pixmaps[1];
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pixmaps[0].as_dst = TRUE;
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pixmaps[0].as_src = FALSE;
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pixmaps[0].pPix = pPix;
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pixmaps[0].pReg = DamagePendingRegion(pExaPixmap->pDamage);
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exaDoMigration(pixmaps, 1, TRUE);
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}
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pPix = exaGetOffscreenPixmap(pDrawable, &xoff, &yoff);
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if (!pPix)
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return FALSE;
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x += pDrawable->x;
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y += pDrawable->y;
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pClip = fbGetCompositeClip(pGC);
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for (nbox = RegionNumRects(pClip),
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pbox = RegionRects(pClip); nbox--; pbox++) {
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int x1 = x;
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int y1 = y;
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int x2 = x + w;
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int y2 = y + h;
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char *src;
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Bool ok;
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if (x1 < pbox->x1)
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x1 = pbox->x1;
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if (y1 < pbox->y1)
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y1 = pbox->y1;
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if (x2 > pbox->x2)
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x2 = pbox->x2;
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if (y2 > pbox->y2)
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y2 = pbox->y2;
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if (x1 >= x2 || y1 >= y2)
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continue;
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src = bits + (y1 - y) * src_stride + (x1 - x) * (bpp / 8);
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ok = pExaScr->info->UploadToScreen(pPix, x1 + xoff, y1 + yoff,
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x2 - x1, y2 - y1, src, src_stride);
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/* We have to fall back completely, and ignore what has already been completed.
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* Messing with the fb layer directly like we used to is completely unacceptable.
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*/
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if (!ok) {
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ret = FALSE;
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break;
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}
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}
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if (ret)
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exaMarkSync(pDrawable->pScreen);
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return ret;
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}
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static void
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exaPutImage(DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y,
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int w, int h, int leftPad, int format, char *bits)
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{
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if (!exaDoPutImage(pDrawable, pGC, depth, x, y, w, h, format, bits,
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PixmapBytePad(w, pDrawable->depth)))
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ExaCheckPutImage(pDrawable, pGC, depth, x, y, w, h, leftPad, format,
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bits);
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}
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static Bool inline
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exaCopyNtoNTwoDir(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable,
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GCPtr pGC, BoxPtr pbox, int nbox, int dx, int dy)
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{
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ExaScreenPriv(pDstDrawable->pScreen);
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PixmapPtr pSrcPixmap, pDstPixmap;
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int src_off_x, src_off_y, dst_off_x, dst_off_y;
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int dirsetup;
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/* Need to get both pixmaps to call the driver routines */
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pSrcPixmap = exaGetOffscreenPixmap(pSrcDrawable, &src_off_x, &src_off_y);
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pDstPixmap = exaGetOffscreenPixmap(pDstDrawable, &dst_off_x, &dst_off_y);
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if (!pSrcPixmap || !pDstPixmap)
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return FALSE;
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/*
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* Now the case of a chip that only supports xdir = ydir = 1 or
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* xdir = ydir = -1, but we have xdir != ydir.
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*/
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dirsetup = 0; /* No direction set up yet. */
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for (; nbox; pbox++, nbox--) {
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if (dx >= 0 && (src_off_y + pbox->y1 + dy) != pbox->y1) {
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/* Do a xdir = ydir = -1 blit instead. */
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if (dirsetup != -1) {
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if (dirsetup != 0)
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pExaScr->info->DoneCopy(pDstPixmap);
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dirsetup = -1;
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if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap,
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pDstPixmap,
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-1, -1,
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pGC ? pGC->alu : GXcopy,
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pGC ? pGC->planemask :
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FB_ALLONES))
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return FALSE;
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}
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(*pExaScr->info->Copy) (pDstPixmap,
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src_off_x + pbox->x1 + dx,
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src_off_y + pbox->y1 + dy,
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dst_off_x + pbox->x1,
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dst_off_y + pbox->y1,
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pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
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}
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else if (dx < 0 && (src_off_y + pbox->y1 + dy) != pbox->y1) {
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/* Do a xdir = ydir = 1 blit instead. */
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if (dirsetup != 1) {
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if (dirsetup != 0)
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pExaScr->info->DoneCopy(pDstPixmap);
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dirsetup = 1;
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if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap,
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pDstPixmap,
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1, 1,
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pGC ? pGC->alu : GXcopy,
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pGC ? pGC->planemask :
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FB_ALLONES))
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return FALSE;
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}
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(*pExaScr->info->Copy) (pDstPixmap,
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src_off_x + pbox->x1 + dx,
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src_off_y + pbox->y1 + dy,
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dst_off_x + pbox->x1,
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dst_off_y + pbox->y1,
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pbox->x2 - pbox->x1, pbox->y2 - pbox->y1);
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}
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else if (dx >= 0) {
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/*
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* xdir = 1, ydir = -1.
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* Perform line-by-line xdir = ydir = 1 blits, going up.
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*/
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int i;
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if (dirsetup != 1) {
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if (dirsetup != 0)
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pExaScr->info->DoneCopy(pDstPixmap);
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dirsetup = 1;
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if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap,
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pDstPixmap,
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1, 1,
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pGC ? pGC->alu : GXcopy,
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pGC ? pGC->planemask :
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FB_ALLONES))
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return FALSE;
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}
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for (i = pbox->y2 - pbox->y1 - 1; i >= 0; i--)
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(*pExaScr->info->Copy) (pDstPixmap,
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src_off_x + pbox->x1 + dx,
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src_off_y + pbox->y1 + dy + i,
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dst_off_x + pbox->x1,
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dst_off_y + pbox->y1 + i,
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pbox->x2 - pbox->x1, 1);
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}
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else {
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/*
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* xdir = -1, ydir = 1.
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* Perform line-by-line xdir = ydir = -1 blits, going down.
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*/
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int i;
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if (dirsetup != -1) {
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if (dirsetup != 0)
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pExaScr->info->DoneCopy(pDstPixmap);
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dirsetup = -1;
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if (!(*pExaScr->info->PrepareCopy) (pSrcPixmap,
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pDstPixmap,
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-1, -1,
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pGC ? pGC->alu : GXcopy,
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pGC ? pGC->planemask :
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FB_ALLONES))
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return FALSE;
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}
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for (i = 0; i < pbox->y2 - pbox->y1; i++)
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(*pExaScr->info->Copy) (pDstPixmap,
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src_off_x + pbox->x1 + dx,
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src_off_y + pbox->y1 + dy + i,
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dst_off_x + pbox->x1,
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dst_off_y + pbox->y1 + i,
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pbox->x2 - pbox->x1, 1);
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}
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}
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if (dirsetup != 0)
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pExaScr->info->DoneCopy(pDstPixmap);
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exaMarkSync(pDstDrawable->pScreen);
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return TRUE;
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}
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Bool
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exaHWCopyNtoN(DrawablePtr pSrcDrawable,
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DrawablePtr pDstDrawable,
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GCPtr pGC,
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BoxPtr pbox,
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int nbox, int dx, int dy, Bool reverse, Bool upsidedown)
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{
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ExaScreenPriv(pDstDrawable->pScreen);
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PixmapPtr pSrcPixmap, pDstPixmap;
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ExaPixmapPrivPtr pSrcExaPixmap, pDstExaPixmap;
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int src_off_x, src_off_y;
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int dst_off_x, dst_off_y;
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RegionPtr srcregion = NULL, dstregion = NULL;
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xRectangle *rects;
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Bool ret = TRUE;
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/* avoid doing copy operations if no boxes */
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if (nbox == 0)
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return TRUE;
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pSrcPixmap = exaGetDrawablePixmap(pSrcDrawable);
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pDstPixmap = exaGetDrawablePixmap(pDstDrawable);
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exaGetDrawableDeltas(pSrcDrawable, pSrcPixmap, &src_off_x, &src_off_y);
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exaGetDrawableDeltas(pDstDrawable, pDstPixmap, &dst_off_x, &dst_off_y);
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rects = xallocarray(nbox, sizeof(xRectangle));
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if (rects) {
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int i;
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int ordering;
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for (i = 0; i < nbox; i++) {
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rects[i].x = pbox[i].x1 + dx + src_off_x;
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rects[i].y = pbox[i].y1 + dy + src_off_y;
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rects[i].width = pbox[i].x2 - pbox[i].x1;
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rects[i].height = pbox[i].y2 - pbox[i].y1;
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}
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/* This must match the RegionCopy() logic for reversing rect order */
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if (nbox == 1 || (dx > 0 && dy > 0) ||
|
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(pDstDrawable != pSrcDrawable &&
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(pDstDrawable->type != DRAWABLE_WINDOW ||
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pSrcDrawable->type != DRAWABLE_WINDOW)))
|
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ordering = CT_YXBANDED;
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else
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ordering = CT_UNSORTED;
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|
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srcregion = RegionFromRects(nbox, rects, ordering);
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free(rects);
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|
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if (!pGC || !exaGCReadsDestination(pDstDrawable, pGC->planemask,
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pGC->fillStyle, pGC->alu,
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pGC->clientClip != NULL)) {
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dstregion = RegionCreate(NullBox, 0);
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RegionCopy(dstregion, srcregion);
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RegionTranslate(dstregion, dst_off_x - dx - src_off_x,
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dst_off_y - dy - src_off_y);
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}
|
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}
|
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|
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pSrcExaPixmap = ExaGetPixmapPriv(pSrcPixmap);
|
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pDstExaPixmap = ExaGetPixmapPriv(pDstPixmap);
|
|
|
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/* 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 ||
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pDstExaPixmap->accel_blocked & EXA_RANGE_PITCH)
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goto fallback;
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|
|
/* If the width or the height of either of the pixmaps
|
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* is out of range, check whether the boxes are actually out of the
|
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* addressable range as well. If they aren't, we can still do
|
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* the copying in hardware.
|
|
*/
|
|
if (pSrcExaPixmap->accel_blocked || pDstExaPixmap->accel_blocked) {
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int i;
|
|
|
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for (i = 0; i < nbox; i++) {
|
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/* src */
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if ((pbox[i].x2 + dx + src_off_x) >= pExaScr->info->maxX ||
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(pbox[i].y2 + dy + src_off_y) >= pExaScr->info->maxY)
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goto fallback;
|
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|
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/* dst */
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if ((pbox[i].x2 + dst_off_x) >= pExaScr->info->maxX ||
|
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(pbox[i].y2 + dst_off_y) >= pExaScr->info->maxY)
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goto fallback;
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}
|
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}
|
|
|
|
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 = xallocarray(npt, sizeof(xRectangle));
|
|
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 = xallocarray(npt - 1, sizeof(xRectangle));
|
|
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 = xallocarray((unsigned int)nseg, sizeof(xRectangle));
|
|
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,
|
|
Bool hasClientClip);
|
|
|
|
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->clientClip != NULL)) ||
|
|
(pGC->fillStyle == FillTiled && !pGC->tileIsPixel &&
|
|
exaFillRegionTiled(pDrawable, pReg, pGC->tile.pixmap, &pGC->patOrg,
|
|
pGC->planemask, pGC->alu,
|
|
pGC->clientClip != NULL))) {
|
|
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, Bool hasClientClip)
|
|
{
|
|
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,
|
|
hasClientClip) ? 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 && alu == GXcopy) {
|
|
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,
|
|
Bool hasClientClip)
|
|
{
|
|
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, hasClientClip);
|
|
|
|
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,
|
|
hasClientClip) ? 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);
|
|
}
|