diff options
Diffstat (limited to 'xorg-server/exa')
| -rw-r--r-- | xorg-server/exa/exa_unaccel.c | 1529 |
1 files changed, 764 insertions, 765 deletions
diff --git a/xorg-server/exa/exa_unaccel.c b/xorg-server/exa/exa_unaccel.c index 354733921..078b91c77 100644 --- a/xorg-server/exa/exa_unaccel.c +++ b/xorg-server/exa/exa_unaccel.c @@ -1,765 +1,764 @@ -/*
- *
- * Copyright © 1999 Keith Packard
- *
- * 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.
- */
-
-#include "exa_priv.h"
-
-#include "mipict.h"
-
-/*
- * These functions wrap the low-level fb rendering functions and
- * synchronize framebuffer/accelerated drawing by stalling until
- * the accelerator is idle
- */
-
-/**
- * Calls exaPrepareAccess with EXA_PREPARE_SRC for the tile, if that is the
- * current fill style.
- *
- * Solid doesn't use an extra pixmap source, and Stippled/OpaqueStippled are
- * 1bpp and never in fb, so we don't worry about them.
- * We should worry about them for completeness sake and going forward.
- */
-void
-exaPrepareAccessGC(GCPtr pGC)
-{
- if (pGC->stipple)
- exaPrepareAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK);
- if (pGC->fillStyle == FillTiled)
- exaPrepareAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC);
-}
-
-/**
- * Finishes access to the tile in the GC, if used.
- */
-void
-exaFinishAccessGC(GCPtr pGC)
-{
- if (pGC->fillStyle == FillTiled)
- exaFinishAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC);
- if (pGC->stipple)
- exaFinishAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK);
-}
-
-#if DEBUG_TRACE_FALL
-char
-exaDrawableLocation(DrawablePtr pDrawable)
-{
- return exaDrawableIsOffscreen(pDrawable) ? 's' : 'm';
-}
-#endif /* DEBUG_TRACE_FALL */
-
-void
-ExaCheckFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nspans,
- DDXPointPtr ppt, int *pwidth, int fSorted)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->FillSpans (pDrawable, pGC, nspans, ppt, pwidth, fSorted);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc,
- DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- pGC->ops->SetSpans (pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth,
- int x, int y, int w, int h, int leftPad, int format,
- char *bits)
-{
- PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
- ExaPixmapPriv(pPixmap);
-
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
- if (!pExaScr->prepare_access_reg || !pExaPixmap->pDamage ||
- exaGCReadsDestination(pDrawable, pGC->planemask, pGC->fillStyle,
- pGC->alu, pGC->clientClipType))
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- else
- pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST,
- DamagePendingRegion(pExaPixmap->pDamage));
- pGC->ops->PutImage (pDrawable, pGC, depth, x, y, w, h, leftPad, format, bits);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckCopyNtoN (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
- BoxPtr pbox, int nbox, int dx, int dy, Bool reverse,
- Bool upsidedown, Pixel bitplane, void *closure)
-{
- RegionRec reg;
- int xoff, yoff;
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
- exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
-
- if (pExaScr->prepare_access_reg) {
- PixmapPtr pPixmap = exaGetDrawablePixmap(pSrc);
-
- exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
- RegionInit(®, pbox, nbox);
- RegionTranslate(®, xoff + dx, yoff + dy);
- pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, ®);
- RegionUninit(®);
- } else
- exaPrepareAccess (pSrc, EXA_PREPARE_SRC);
-
- if (pExaScr->prepare_access_reg &&
- !exaGCReadsDestination(pDst, pGC->planemask, pGC->fillStyle,
- pGC->alu, pGC->clientClipType)) {
- PixmapPtr pPixmap = exaGetDrawablePixmap(pDst);
-
- exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
- RegionInit(®, pbox, nbox);
- RegionTranslate(®, xoff, yoff);
- pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST, ®);
- RegionUninit(®);
- } else
- exaPrepareAccess (pDst, EXA_PREPARE_DEST);
-
- /* This will eventually call fbCopyNtoN, with some calculation overhead. */
- while (nbox--) {
- pGC->ops->CopyArea (pSrc, pDst, pGC, pbox->x1 - pSrc->x + dx, pbox->y1 - pSrc->y + dy,
- pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, pbox->x1 - pDst->x, pbox->y1 - pDst->y);
- pbox++;
- }
- exaFinishAccess (pSrc, EXA_PREPARE_SRC);
- exaFinishAccess (pDst, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-static void
-ExaFallbackPrepareReg(DrawablePtr pDrawable,
- GCPtr pGC,
- int x, int y, int width, int height,
- int index, Bool checkReads)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- ExaScreenPriv(pScreen);
-
- if (pExaScr->prepare_access_reg &&
- !(checkReads && exaGCReadsDestination(pDrawable,
- pGC->planemask,
- pGC->fillStyle,
- pGC->alu,
- pGC->clientClipType))) {
- BoxRec box;
- RegionRec reg;
- int xoff, yoff;
- PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable);
-
- exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff);
- box.x1 = pDrawable->x + x + xoff;
- box.y1 = pDrawable->y + y + yoff;
- box.x2 = box.x1 + width;
- box.y2 = box.y1 + height;
-
- RegionInit(®, &box, 1);
- pExaScr->prepare_access_reg(pPixmap, index, ®);
- RegionUninit(®);
- } else
- exaPrepareAccess(pDrawable, index);
-}
-
-
-RegionPtr
-ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
- int srcx, int srcy, int w, int h, int dstx, int dsty)
-{
- RegionPtr ret;
-
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
- exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
- ExaFallbackPrepareReg(pSrc, pGC, srcx, srcy, w, h,
- EXA_PREPARE_SRC, FALSE);
- ExaFallbackPrepareReg(pDst, pGC, dstx, dsty, w, h,
- EXA_PREPARE_DEST, TRUE);
- ret = pGC->ops->CopyArea (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty);
- exaFinishAccess (pSrc, EXA_PREPARE_SRC);
- exaFinishAccess (pDst, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-
- return ret;
-}
-
-RegionPtr
-ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
- int srcx, int srcy, int w, int h, int dstx, int dsty,
- unsigned long bitPlane)
-{
- RegionPtr ret;
-
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
- exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
- ExaFallbackPrepareReg(pSrc, pGC, srcx, srcy, w, h,
- EXA_PREPARE_SRC, FALSE);
- ExaFallbackPrepareReg(pDst, pGC, dstx, dsty, w, h,
- EXA_PREPARE_DEST, TRUE);
- ret = pGC->ops->CopyPlane (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty,
- bitPlane);
- exaFinishAccess (pSrc, EXA_PREPARE_SRC);
- exaFinishAccess (pDst, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-
- return ret;
-}
-
-void
-ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
- DDXPointPtr pptInit)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- pGC->ops->PolyPoint (pDrawable, pGC, mode, npt, pptInit);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC,
- int mode, int npt, DDXPointPtr ppt)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c), width %d, mode %d, count %d\n",
- pDrawable, exaDrawableLocation(pDrawable),
- pGC->lineWidth, mode, npt));
-
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->Polylines (pDrawable, pGC, mode, npt, ppt);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC,
- int nsegInit, xSegment *pSegInit)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c) width %d, count %d\n", pDrawable,
- exaDrawableLocation(pDrawable), pGC->lineWidth, nsegInit));
-
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->PolySegment (pDrawable, pGC, nsegInit, pSegInit);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC,
- int narcs, xArc *pArcs)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
-
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->PolyArc (pDrawable, pGC, narcs, pArcs);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC,
- int nrect, xRectangle *prect)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
-
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->PolyFillRect (pDrawable, pGC, nrect, prect);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
- int x, int y, unsigned int nglyph,
- CharInfoPtr *ppci, pointer pglyphBase)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c)\n", pDrawable,
- exaDrawableLocation(pDrawable)));
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->ImageGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
- int x, int y, unsigned int nglyph,
- CharInfoPtr *ppci, pointer pglyphBase)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("to %p (%c), style %d alu %d\n", pDrawable,
- exaDrawableLocation(pDrawable), pGC->fillStyle, pGC->alu));
- exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
- exaPrepareAccessGC (pGC);
- pGC->ops->PolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
- exaFinishAccessGC (pGC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap,
- DrawablePtr pDrawable,
- int w, int h, int x, int y)
-{
- EXA_PRE_FALLBACK_GC(pGC);
- EXA_FALLBACK(("from %p to %p (%c,%c)\n", pBitmap, pDrawable,
- exaDrawableLocation(&pBitmap->drawable),
- exaDrawableLocation(pDrawable)));
- ExaFallbackPrepareReg(pDrawable, pGC, x, y, w, h,
- EXA_PREPARE_DEST, TRUE);
- ExaFallbackPrepareReg(&pBitmap->drawable, pGC, 0, 0, w, h,
- EXA_PREPARE_SRC, FALSE);
- exaPrepareAccessGC (pGC);
- pGC->ops->PushPixels (pGC, pBitmap, pDrawable, w, h, x, y);
- exaFinishAccessGC (pGC);
- exaFinishAccess (&pBitmap->drawable, EXA_PREPARE_SRC);
- exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK_GC(pGC);
-}
-
-void
-ExaCheckCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
-{
- DrawablePtr pDrawable = &pWin->drawable;
- ScreenPtr pScreen = pDrawable->pScreen;
- EXA_PRE_FALLBACK(pScreen);
- EXA_FALLBACK(("from %p\n", pWin));
-
- /* Only need the source bits, the destination region will be overwritten */
- if (pExaScr->prepare_access_reg) {
- PixmapPtr pPixmap = pScreen->GetWindowPixmap(pWin);
- int xoff, yoff;
-
- exaGetDrawableDeltas(&pWin->drawable, pPixmap, &xoff, &yoff);
- RegionTranslate(prgnSrc, xoff, yoff);
- pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, prgnSrc);
- RegionTranslate(prgnSrc, -xoff, -yoff);
- } else
- exaPrepareAccess(pDrawable, EXA_PREPARE_SRC);
-
- swap(pExaScr, pScreen, CopyWindow);
- pScreen->CopyWindow (pWin, ptOldOrg, prgnSrc);
- swap(pExaScr, pScreen, CopyWindow);
- exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
- EXA_POST_FALLBACK(pScreen);
-}
-
-void
-ExaCheckGetImage(DrawablePtr pDrawable, int x, int y, int w, int h,
- unsigned int format, unsigned long planeMask, char *d)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- EXA_PRE_FALLBACK(pScreen);
- EXA_FALLBACK(("from %p (%c)\n", pDrawable,
- exaDrawableLocation(pDrawable)));
-
- ExaFallbackPrepareReg(pDrawable, NULL, x, y, w, h,
- EXA_PREPARE_SRC, FALSE);
- swap(pExaScr, pScreen, GetImage);
- pScreen->GetImage (pDrawable, x, y, w, h, format, planeMask, d);
- swap(pExaScr, pScreen, GetImage);
- exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
- EXA_POST_FALLBACK(pScreen);
-}
-
-void
-ExaCheckGetSpans (DrawablePtr pDrawable,
- int wMax,
- DDXPointPtr ppt,
- int *pwidth,
- int nspans,
- char *pdstStart)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
-
- EXA_PRE_FALLBACK(pScreen);
- EXA_FALLBACK(("from %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
- exaPrepareAccess (pDrawable, EXA_PREPARE_SRC);
- swap(pExaScr, pScreen, GetSpans);
- pScreen->GetSpans (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
- swap(pExaScr, pScreen, GetSpans);
- exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
- EXA_POST_FALLBACK(pScreen);
-}
-
-static void
-ExaSrcValidate(DrawablePtr pDrawable,
- int x,
- int y,
- int width,
- int height,
- unsigned int subWindowMode)
-{
- ScreenPtr pScreen = pDrawable->pScreen;
- ExaScreenPriv(pScreen);
- PixmapPtr pPix = exaGetDrawablePixmap (pDrawable);
- BoxRec box;
- RegionRec reg;
- RegionPtr dst;
- int xoff, yoff;
-
- exaGetDrawableDeltas(pDrawable, pPix, &xoff, &yoff);
-
- box.x1 = x + xoff;
- box.y1 = y + yoff;
- box.x2 = box.x1 + width;
- box.y2 = box.y1 + height;
-
- dst = (pExaScr->srcPix == pPix) ? &pExaScr->srcReg :
- &pExaScr->maskReg;
-
- RegionInit(®, &box, 1);
- RegionUnion(dst, dst, ®);
- RegionUninit(®);
-
- if (pExaScr->SavedSourceValidate) {
- swap(pExaScr, pScreen, SourceValidate);
- pScreen->SourceValidate(pDrawable, x, y, width, height, subWindowMode);
- swap(pExaScr, pScreen, SourceValidate);
- }
-}
-
-static Bool
-ExaPrepareCompositeReg(ScreenPtr pScreen,
- CARD8 op,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height)
-{
- RegionRec region;
- RegionPtr dstReg = NULL;
- RegionPtr srcReg = NULL;
- RegionPtr maskReg = NULL;
- PixmapPtr pSrcPix = NULL;
- PixmapPtr pMaskPix = NULL;
- PixmapPtr pDstPix;
- ExaScreenPriv(pScreen);
- Bool ret;
-
-
- RegionNull(®ion);
-
- if (pSrc->pDrawable) {
- pSrcPix = exaGetDrawablePixmap(pSrc->pDrawable);
- RegionNull(&pExaScr->srcReg);
- srcReg = &pExaScr->srcReg;
- pExaScr->srcPix = pSrcPix;
- if (pSrc != pDst)
- RegionTranslate(pSrc->pCompositeClip,
- -pSrc->pDrawable->x,
- -pSrc->pDrawable->y);
- }
-
- if (pMask && pMask->pDrawable) {
- pMaskPix = exaGetDrawablePixmap(pMask->pDrawable);
- RegionNull(&pExaScr->maskReg);
- maskReg = &pExaScr->maskReg;
- if (pMask != pDst && pMask != pSrc)
- RegionTranslate(pMask->pCompositeClip,
- -pMask->pDrawable->x,
- -pMask->pDrawable->y);
- }
-
- RegionTranslate(pDst->pCompositeClip,
- -pDst->pDrawable->x,
- -pDst->pDrawable->y);
-
- pExaScr->SavedSourceValidate = ExaSrcValidate;
- swap(pExaScr, pScreen, SourceValidate);
- ret = miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
- xSrc, ySrc, xMask, yMask,
- xDst,
- yDst,
- width, height);
- swap(pExaScr, pScreen, SourceValidate);
-
- RegionTranslate(pDst->pCompositeClip,
- pDst->pDrawable->x,
- pDst->pDrawable->y);
- if (pSrc->pDrawable && pSrc != pDst)
- RegionTranslate(pSrc->pCompositeClip,
- pSrc->pDrawable->x,
- pSrc->pDrawable->y);
- if (pMask && pMask->pDrawable && pMask != pDst && pMask != pSrc)
- RegionTranslate(pMask->pCompositeClip,
- pMask->pDrawable->x,
- pMask->pDrawable->y);
-
- if (!ret) {
- if (srcReg)
- RegionUninit(srcReg);
- if (maskReg)
- RegionUninit(maskReg);
-
- return FALSE;
- }
-
- /**
- * Don't limit alphamaps readbacks for now until we've figured out how that
- * should be done.
- */
-
- if (pSrc->alphaMap && pSrc->alphaMap->pDrawable)
- pExaScr->prepare_access_reg(exaGetDrawablePixmap(pSrc->alphaMap->pDrawable),
- EXA_PREPARE_AUX_SRC,
- NULL);
- if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable)
- pExaScr->prepare_access_reg(exaGetDrawablePixmap(pMask->alphaMap->pDrawable),
- EXA_PREPARE_AUX_MASK,
- NULL);
-
- if (pSrcPix)
- pExaScr->prepare_access_reg(pSrcPix,
- EXA_PREPARE_SRC,
- srcReg);
-
- if (pMaskPix)
- pExaScr->prepare_access_reg(pMaskPix,
- EXA_PREPARE_MASK,
- maskReg);
-
- if (srcReg)
- RegionUninit(srcReg);
- if (maskReg)
- RegionUninit(maskReg);
-
- pDstPix = exaGetDrawablePixmap(pDst->pDrawable);
- if (!exaOpReadsDestination(op)) {
- int xoff;
- int yoff;
-
- exaGetDrawableDeltas (pDst->pDrawable, pDstPix, &xoff, &yoff);
- RegionTranslate(®ion, pDst->pDrawable->x + xoff,
- pDst->pDrawable->y + yoff);
- dstReg = ®ion;
- }
-
- if (pDst->alphaMap && pDst->alphaMap->pDrawable)
- pExaScr->prepare_access_reg(exaGetDrawablePixmap(pDst->alphaMap->pDrawable),
- EXA_PREPARE_AUX_DEST,
- dstReg);
- pExaScr->prepare_access_reg(pDstPix, EXA_PREPARE_DEST, dstReg);
-
- RegionUninit(®ion);
- return TRUE;
-}
-
-void
-ExaCheckComposite (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pMask,
- PicturePtr pDst,
- INT16 xSrc,
- INT16 ySrc,
- INT16 xMask,
- INT16 yMask,
- INT16 xDst,
- INT16 yDst,
- CARD16 width,
- CARD16 height)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- EXA_PRE_FALLBACK(pScreen);
-
- if (pExaScr->prepare_access_reg) {
- if (!ExaPrepareCompositeReg(pScreen, op, pSrc, pMask, pDst, xSrc,
- ySrc, xMask, yMask, xDst, yDst, width,
- height))
- goto out_no_clip;
- } else {
-
- /* We need to prepare access to any separate alpha maps first,
- * in case the driver doesn't support EXA_PREPARE_AUX*,
- * in which case EXA_PREPARE_SRC may be used for moving them out.
- */
-
- if (pSrc->alphaMap && pSrc->alphaMap->pDrawable)
- exaPrepareAccess(pSrc->alphaMap->pDrawable, EXA_PREPARE_AUX_SRC);
- if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable)
- exaPrepareAccess(pMask->alphaMap->pDrawable, EXA_PREPARE_AUX_MASK);
- if (pDst->alphaMap && pDst->alphaMap->pDrawable)
- exaPrepareAccess(pDst->alphaMap->pDrawable, EXA_PREPARE_AUX_DEST);
-
- exaPrepareAccess (pDst->pDrawable, EXA_PREPARE_DEST);
-
- EXA_FALLBACK(("from picts %p/%p to pict %p\n",
- pSrc, pMask, pDst));
-
- if (pSrc->pDrawable != NULL)
- exaPrepareAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
- if (pMask && pMask->pDrawable != NULL)
- exaPrepareAccess (pMask->pDrawable, EXA_PREPARE_MASK);
- }
-
- swap(pExaScr, ps, Composite);
- ps->Composite (op,
- pSrc,
- pMask,
- pDst,
- xSrc,
- ySrc,
- xMask,
- yMask,
- xDst,
- yDst,
- width,
- height);
- swap(pExaScr, ps, Composite);
- if (pMask && pMask->pDrawable != NULL)
- exaFinishAccess (pMask->pDrawable, EXA_PREPARE_MASK);
- if (pSrc->pDrawable != NULL)
- exaFinishAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
- exaFinishAccess (pDst->pDrawable, EXA_PREPARE_DEST);
- if (pDst->alphaMap && pDst->alphaMap->pDrawable)
- exaFinishAccess(pDst->alphaMap->pDrawable, EXA_PREPARE_AUX_DEST);
- if (pSrc->alphaMap && pSrc->alphaMap->pDrawable)
- exaFinishAccess(pSrc->alphaMap->pDrawable, EXA_PREPARE_AUX_SRC);
- if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable)
- exaFinishAccess(pMask->alphaMap->pDrawable, EXA_PREPARE_AUX_MASK);
-
-out_no_clip:
- EXA_POST_FALLBACK(pScreen);
-}
-
-/**
- * Avoid migration ping-pong when using a mask.
- */
-void
-ExaCheckGlyphs (CARD8 op,
- PicturePtr pSrc,
- PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc,
- INT16 ySrc,
- int nlist,
- GlyphListPtr list,
- GlyphPtr *glyphs)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- EXA_PRE_FALLBACK(pScreen);
-
- miGlyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
-
- EXA_POST_FALLBACK(pScreen);
-}
-
-void
-ExaCheckAddTraps (PicturePtr pPicture,
- INT16 x_off,
- INT16 y_off,
- int ntrap,
- xTrap *traps)
-{
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- EXA_PRE_FALLBACK(pScreen);
-
- EXA_FALLBACK(("to pict %p (%c)\n",
- exaDrawableLocation(pPicture->pDrawable)));
- exaPrepareAccess(pPicture->pDrawable, EXA_PREPARE_DEST);
- swap(pExaScr, ps, AddTraps);
- ps->AddTraps (pPicture, x_off, y_off, ntrap, traps);
- swap(pExaScr, ps, AddTraps);
- exaFinishAccess(pPicture->pDrawable, EXA_PREPARE_DEST);
- EXA_POST_FALLBACK(pScreen);
-}
-
-/**
- * Gets the 0,0 pixel of a pixmap. Used for doing solid fills of tiled pixmaps
- * that happen to be 1x1. Pixmap must be at least 8bpp.
- */
-CARD32
-exaGetPixmapFirstPixel (PixmapPtr pPixmap)
-{
- switch (pPixmap->drawable.bitsPerPixel) {
- case 32:
- {
- CARD32 pixel;
-
- pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1,
- ZPixmap, ~0, (char*)&pixel);
- return pixel;
- }
- case 16:
- {
- CARD16 pixel;
-
- pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1,
- ZPixmap, ~0, (char*)&pixel);
- return pixel;
- }
- case 8:
- case 4:
- case 1:
- {
- CARD8 pixel;
-
- pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1,
- ZPixmap, ~0, (char*)&pixel);
- return pixel;
- }
- default:
- FatalError("%s called for invalid bpp %d\n", __func__,
- pPixmap->drawable.bitsPerPixel);
- }
-}
+/* + * + * Copyright © 1999 Keith Packard + * + * 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. + */ + +#include "exa_priv.h" + +#include "mipict.h" + +/* + * These functions wrap the low-level fb rendering functions and + * synchronize framebuffer/accelerated drawing by stalling until + * the accelerator is idle + */ + +/** + * Calls exaPrepareAccess with EXA_PREPARE_SRC for the tile, if that is the + * current fill style. + * + * Solid doesn't use an extra pixmap source, and Stippled/OpaqueStippled are + * 1bpp and never in fb, so we don't worry about them. + * We should worry about them for completeness sake and going forward. + */ +void +exaPrepareAccessGC(GCPtr pGC) +{ + if (pGC->stipple) + exaPrepareAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK); + if (pGC->fillStyle == FillTiled) + exaPrepareAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC); +} + +/** + * Finishes access to the tile in the GC, if used. + */ +void +exaFinishAccessGC(GCPtr pGC) +{ + if (pGC->fillStyle == FillTiled) + exaFinishAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC); + if (pGC->stipple) + exaFinishAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK); +} + +#if DEBUG_TRACE_FALL +char +exaDrawableLocation(DrawablePtr pDrawable) +{ + return exaDrawableIsOffscreen(pDrawable) ? 's' : 'm'; +} +#endif /* DEBUG_TRACE_FALL */ + +void +ExaCheckFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nspans, + DDXPointPtr ppt, int *pwidth, int fSorted) +{ + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + pGC->ops->FillSpans (pDrawable, pGC, nspans, ppt, pwidth, fSorted); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); +} + +void +ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc, + DDXPointPtr ppt, int *pwidth, int nspans, int fSorted) +{ + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + pGC->ops->SetSpans (pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); +} + +void +ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth, + int x, int y, int w, int h, int leftPad, int format, + char *bits) +{ + PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable); + ExaPixmapPriv(pPixmap); + + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + if (!pExaScr->prepare_access_reg || !pExaPixmap->pDamage || + exaGCReadsDestination(pDrawable, pGC->planemask, pGC->fillStyle, + pGC->alu, pGC->clientClipType)) + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + else + pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST, + DamagePendingRegion(pExaPixmap->pDamage)); + pGC->ops->PutImage (pDrawable, pGC, depth, x, y, w, h, leftPad, format, bits); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); +} + +void +ExaCheckCopyNtoN (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, + BoxPtr pbox, int nbox, int dx, int dy, Bool reverse, + Bool upsidedown, Pixel bitplane, void *closure) +{ + RegionRec reg; + int xoff, yoff; + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst, + exaDrawableLocation(pSrc), exaDrawableLocation(pDst))); + + if (pExaScr->prepare_access_reg && RegionInitBoxes(®, pbox, nbox)) { + PixmapPtr pPixmap = exaGetDrawablePixmap(pSrc); + + exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff); + RegionTranslate(®, xoff + dx, yoff + dy); + pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, ®); + RegionUninit(®); + } else + exaPrepareAccess (pSrc, EXA_PREPARE_SRC); + + if (pExaScr->prepare_access_reg && + !exaGCReadsDestination(pDst, pGC->planemask, pGC->fillStyle, + pGC->alu, pGC->clientClipType) && + RegionInitBoxes (®, pbox, nbox)) { + PixmapPtr pPixmap = exaGetDrawablePixmap(pDst); + + exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff); + RegionTranslate(®, xoff, yoff); + pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST, ®); + RegionUninit(®); + } else + exaPrepareAccess (pDst, EXA_PREPARE_DEST); + + /* This will eventually call fbCopyNtoN, with some calculation overhead. */ + while (nbox--) { + pGC->ops->CopyArea (pSrc, pDst, pGC, pbox->x1 - pSrc->x + dx, pbox->y1 - pSrc->y + dy, + pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, pbox->x1 - pDst->x, pbox->y1 - pDst->y); + pbox++; + } + exaFinishAccess (pSrc, EXA_PREPARE_SRC); + exaFinishAccess (pDst, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); +} + +static void +ExaFallbackPrepareReg(DrawablePtr pDrawable, + GCPtr pGC, + int x, int y, int width, int height, + int index, Bool checkReads) +{ + ScreenPtr pScreen = pDrawable->pScreen; + ExaScreenPriv(pScreen); + + if (pExaScr->prepare_access_reg && + !(checkReads && exaGCReadsDestination(pDrawable, + pGC->planemask, + pGC->fillStyle, + pGC->alu, + pGC->clientClipType))) { + BoxRec box; + RegionRec reg; + int xoff, yoff; + PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable); + + exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff); + box.x1 = pDrawable->x + x + xoff; + box.y1 = pDrawable->y + y + yoff; + box.x2 = box.x1 + width; + box.y2 = box.y1 + height; + + RegionInit(®, &box, 1); + pExaScr->prepare_access_reg(pPixmap, index, ®); + RegionUninit(®); + } else + exaPrepareAccess(pDrawable, index); +} + + +RegionPtr +ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, + int srcx, int srcy, int w, int h, int dstx, int dsty) +{ + RegionPtr ret; + + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst, + exaDrawableLocation(pSrc), exaDrawableLocation(pDst))); + ExaFallbackPrepareReg(pSrc, pGC, srcx, srcy, w, h, + EXA_PREPARE_SRC, FALSE); + ExaFallbackPrepareReg(pDst, pGC, dstx, dsty, w, h, + EXA_PREPARE_DEST, TRUE); + ret = pGC->ops->CopyArea (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty); + exaFinishAccess (pSrc, EXA_PREPARE_SRC); + exaFinishAccess (pDst, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); + + return ret; +} + +RegionPtr +ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, + int srcx, int srcy, int w, int h, int dstx, int dsty, + unsigned long bitPlane) +{ + RegionPtr ret; + + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst, + exaDrawableLocation(pSrc), exaDrawableLocation(pDst))); + ExaFallbackPrepareReg(pSrc, pGC, srcx, srcy, w, h, + EXA_PREPARE_SRC, FALSE); + ExaFallbackPrepareReg(pDst, pGC, dstx, dsty, w, h, + EXA_PREPARE_DEST, TRUE); + ret = pGC->ops->CopyPlane (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty, + bitPlane); + exaFinishAccess (pSrc, EXA_PREPARE_SRC); + exaFinishAccess (pDst, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); + + return ret; +} + +void +ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt, + DDXPointPtr pptInit) +{ + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + pGC->ops->PolyPoint (pDrawable, pGC, mode, npt, pptInit); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); +} + +void +ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC, + int mode, int npt, DDXPointPtr ppt) +{ + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("to %p (%c), width %d, mode %d, count %d\n", + pDrawable, exaDrawableLocation(pDrawable), + pGC->lineWidth, mode, npt)); + + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + pGC->ops->Polylines (pDrawable, pGC, mode, npt, ppt); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); +} + +void +ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC, + int nsegInit, xSegment *pSegInit) +{ + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("to %p (%c) width %d, count %d\n", pDrawable, + exaDrawableLocation(pDrawable), pGC->lineWidth, nsegInit)); + + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + pGC->ops->PolySegment (pDrawable, pGC, nsegInit, pSegInit); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); +} + +void +ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC, + int narcs, xArc *pArcs) +{ + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + pGC->ops->PolyArc (pDrawable, pGC, narcs, pArcs); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); +} + +void +ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC, + int nrect, xRectangle *prect) +{ + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + pGC->ops->PolyFillRect (pDrawable, pGC, nrect, prect); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); +} + +void +ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC, + int x, int y, unsigned int nglyph, + CharInfoPtr *ppci, pointer pglyphBase) +{ + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("to %p (%c)\n", pDrawable, + exaDrawableLocation(pDrawable))); + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + pGC->ops->ImageGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); +} + +void +ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC, + int x, int y, unsigned int nglyph, + CharInfoPtr *ppci, pointer pglyphBase) +{ + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("to %p (%c), style %d alu %d\n", pDrawable, + exaDrawableLocation(pDrawable), pGC->fillStyle, pGC->alu)); + exaPrepareAccess (pDrawable, EXA_PREPARE_DEST); + exaPrepareAccessGC (pGC); + pGC->ops->PolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); + exaFinishAccessGC (pGC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); +} + +void +ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap, + DrawablePtr pDrawable, + int w, int h, int x, int y) +{ + EXA_PRE_FALLBACK_GC(pGC); + EXA_FALLBACK(("from %p to %p (%c,%c)\n", pBitmap, pDrawable, + exaDrawableLocation(&pBitmap->drawable), + exaDrawableLocation(pDrawable))); + ExaFallbackPrepareReg(pDrawable, pGC, x, y, w, h, + EXA_PREPARE_DEST, TRUE); + ExaFallbackPrepareReg(&pBitmap->drawable, pGC, 0, 0, w, h, + EXA_PREPARE_SRC, FALSE); + exaPrepareAccessGC (pGC); + pGC->ops->PushPixels (pGC, pBitmap, pDrawable, w, h, x, y); + exaFinishAccessGC (pGC); + exaFinishAccess (&pBitmap->drawable, EXA_PREPARE_SRC); + exaFinishAccess (pDrawable, EXA_PREPARE_DEST); + EXA_POST_FALLBACK_GC(pGC); +} + +void +ExaCheckCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) +{ + DrawablePtr pDrawable = &pWin->drawable; + ScreenPtr pScreen = pDrawable->pScreen; + EXA_PRE_FALLBACK(pScreen); + EXA_FALLBACK(("from %p\n", pWin)); + + /* Only need the source bits, the destination region will be overwritten */ + if (pExaScr->prepare_access_reg) { + PixmapPtr pPixmap = pScreen->GetWindowPixmap(pWin); + int xoff, yoff; + + exaGetDrawableDeltas(&pWin->drawable, pPixmap, &xoff, &yoff); + RegionTranslate(prgnSrc, xoff, yoff); + pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, prgnSrc); + RegionTranslate(prgnSrc, -xoff, -yoff); + } else + exaPrepareAccess(pDrawable, EXA_PREPARE_SRC); + + swap(pExaScr, pScreen, CopyWindow); + pScreen->CopyWindow (pWin, ptOldOrg, prgnSrc); + swap(pExaScr, pScreen, CopyWindow); + exaFinishAccess (pDrawable, EXA_PREPARE_SRC); + EXA_POST_FALLBACK(pScreen); +} + +void +ExaCheckGetImage(DrawablePtr pDrawable, int x, int y, int w, int h, + unsigned int format, unsigned long planeMask, char *d) +{ + ScreenPtr pScreen = pDrawable->pScreen; + EXA_PRE_FALLBACK(pScreen); + EXA_FALLBACK(("from %p (%c)\n", pDrawable, + exaDrawableLocation(pDrawable))); + + ExaFallbackPrepareReg(pDrawable, NULL, x, y, w, h, + EXA_PREPARE_SRC, FALSE); + swap(pExaScr, pScreen, GetImage); + pScreen->GetImage (pDrawable, x, y, w, h, format, planeMask, d); + swap(pExaScr, pScreen, GetImage); + exaFinishAccess (pDrawable, EXA_PREPARE_SRC); + EXA_POST_FALLBACK(pScreen); +} + +void +ExaCheckGetSpans (DrawablePtr pDrawable, + int wMax, + DDXPointPtr ppt, + int *pwidth, + int nspans, + char *pdstStart) +{ + ScreenPtr pScreen = pDrawable->pScreen; + + EXA_PRE_FALLBACK(pScreen); + EXA_FALLBACK(("from %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); + exaPrepareAccess (pDrawable, EXA_PREPARE_SRC); + swap(pExaScr, pScreen, GetSpans); + pScreen->GetSpans (pDrawable, wMax, ppt, pwidth, nspans, pdstStart); + swap(pExaScr, pScreen, GetSpans); + exaFinishAccess (pDrawable, EXA_PREPARE_SRC); + EXA_POST_FALLBACK(pScreen); +} + +static void +ExaSrcValidate(DrawablePtr pDrawable, + int x, + int y, + int width, + int height, + unsigned int subWindowMode) +{ + ScreenPtr pScreen = pDrawable->pScreen; + ExaScreenPriv(pScreen); + PixmapPtr pPix = exaGetDrawablePixmap (pDrawable); + BoxRec box; + RegionRec reg; + RegionPtr dst; + int xoff, yoff; + + exaGetDrawableDeltas(pDrawable, pPix, &xoff, &yoff); + + box.x1 = x + xoff; + box.y1 = y + yoff; + box.x2 = box.x1 + width; + box.y2 = box.y1 + height; + + dst = (pExaScr->srcPix == pPix) ? &pExaScr->srcReg : + &pExaScr->maskReg; + + RegionInit(®, &box, 1); + RegionUnion(dst, dst, ®); + RegionUninit(®); + + if (pExaScr->SavedSourceValidate) { + swap(pExaScr, pScreen, SourceValidate); + pScreen->SourceValidate(pDrawable, x, y, width, height, subWindowMode); + swap(pExaScr, pScreen, SourceValidate); + } +} + +static Bool +ExaPrepareCompositeReg(ScreenPtr pScreen, + CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height) +{ + RegionRec region; + RegionPtr dstReg = NULL; + RegionPtr srcReg = NULL; + RegionPtr maskReg = NULL; + PixmapPtr pSrcPix = NULL; + PixmapPtr pMaskPix = NULL; + PixmapPtr pDstPix; + ExaScreenPriv(pScreen); + Bool ret; + + + RegionNull(®ion); + + if (pSrc->pDrawable) { + pSrcPix = exaGetDrawablePixmap(pSrc->pDrawable); + RegionNull(&pExaScr->srcReg); + srcReg = &pExaScr->srcReg; + pExaScr->srcPix = pSrcPix; + if (pSrc != pDst) + RegionTranslate(pSrc->pCompositeClip, + -pSrc->pDrawable->x, + -pSrc->pDrawable->y); + } + + if (pMask && pMask->pDrawable) { + pMaskPix = exaGetDrawablePixmap(pMask->pDrawable); + RegionNull(&pExaScr->maskReg); + maskReg = &pExaScr->maskReg; + if (pMask != pDst && pMask != pSrc) + RegionTranslate(pMask->pCompositeClip, + -pMask->pDrawable->x, + -pMask->pDrawable->y); + } + + RegionTranslate(pDst->pCompositeClip, + -pDst->pDrawable->x, + -pDst->pDrawable->y); + + pExaScr->SavedSourceValidate = ExaSrcValidate; + swap(pExaScr, pScreen, SourceValidate); + ret = miComputeCompositeRegion (®ion, pSrc, pMask, pDst, + xSrc, ySrc, xMask, yMask, + xDst, + yDst, + width, height); + swap(pExaScr, pScreen, SourceValidate); + + RegionTranslate(pDst->pCompositeClip, + pDst->pDrawable->x, + pDst->pDrawable->y); + if (pSrc->pDrawable && pSrc != pDst) + RegionTranslate(pSrc->pCompositeClip, + pSrc->pDrawable->x, + pSrc->pDrawable->y); + if (pMask && pMask->pDrawable && pMask != pDst && pMask != pSrc) + RegionTranslate(pMask->pCompositeClip, + pMask->pDrawable->x, + pMask->pDrawable->y); + + if (!ret) { + if (srcReg) + RegionUninit(srcReg); + if (maskReg) + RegionUninit(maskReg); + + return FALSE; + } + + /** + * Don't limit alphamaps readbacks for now until we've figured out how that + * should be done. + */ + + if (pSrc->alphaMap && pSrc->alphaMap->pDrawable) + pExaScr->prepare_access_reg(exaGetDrawablePixmap(pSrc->alphaMap->pDrawable), + EXA_PREPARE_AUX_SRC, + NULL); + if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable) + pExaScr->prepare_access_reg(exaGetDrawablePixmap(pMask->alphaMap->pDrawable), + EXA_PREPARE_AUX_MASK, + NULL); + + if (pSrcPix) + pExaScr->prepare_access_reg(pSrcPix, + EXA_PREPARE_SRC, + srcReg); + + if (pMaskPix) + pExaScr->prepare_access_reg(pMaskPix, + EXA_PREPARE_MASK, + maskReg); + + if (srcReg) + RegionUninit(srcReg); + if (maskReg) + RegionUninit(maskReg); + + pDstPix = exaGetDrawablePixmap(pDst->pDrawable); + if (!exaOpReadsDestination(op)) { + int xoff; + int yoff; + + exaGetDrawableDeltas (pDst->pDrawable, pDstPix, &xoff, &yoff); + RegionTranslate(®ion, pDst->pDrawable->x + xoff, + pDst->pDrawable->y + yoff); + dstReg = ®ion; + } + + if (pDst->alphaMap && pDst->alphaMap->pDrawable) + pExaScr->prepare_access_reg(exaGetDrawablePixmap(pDst->alphaMap->pDrawable), + EXA_PREPARE_AUX_DEST, + dstReg); + pExaScr->prepare_access_reg(pDstPix, EXA_PREPARE_DEST, dstReg); + + RegionUninit(®ion); + return TRUE; +} + +void +ExaCheckComposite (CARD8 op, + PicturePtr pSrc, + PicturePtr pMask, + PicturePtr pDst, + INT16 xSrc, + INT16 ySrc, + INT16 xMask, + INT16 yMask, + INT16 xDst, + INT16 yDst, + CARD16 width, + CARD16 height) +{ + ScreenPtr pScreen = pDst->pDrawable->pScreen; + PictureScreenPtr ps = GetPictureScreen(pScreen); + EXA_PRE_FALLBACK(pScreen); + + if (pExaScr->prepare_access_reg) { + if (!ExaPrepareCompositeReg(pScreen, op, pSrc, pMask, pDst, xSrc, + ySrc, xMask, yMask, xDst, yDst, width, + height)) + goto out_no_clip; + } else { + + /* We need to prepare access to any separate alpha maps first, + * in case the driver doesn't support EXA_PREPARE_AUX*, + * in which case EXA_PREPARE_SRC may be used for moving them out. + */ + + if (pSrc->alphaMap && pSrc->alphaMap->pDrawable) + exaPrepareAccess(pSrc->alphaMap->pDrawable, EXA_PREPARE_AUX_SRC); + if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable) + exaPrepareAccess(pMask->alphaMap->pDrawable, EXA_PREPARE_AUX_MASK); + if (pDst->alphaMap && pDst->alphaMap->pDrawable) + exaPrepareAccess(pDst->alphaMap->pDrawable, EXA_PREPARE_AUX_DEST); + + exaPrepareAccess (pDst->pDrawable, EXA_PREPARE_DEST); + + EXA_FALLBACK(("from picts %p/%p to pict %p\n", + pSrc, pMask, pDst)); + + if (pSrc->pDrawable != NULL) + exaPrepareAccess (pSrc->pDrawable, EXA_PREPARE_SRC); + if (pMask && pMask->pDrawable != NULL) + exaPrepareAccess (pMask->pDrawable, EXA_PREPARE_MASK); + } + + swap(pExaScr, ps, Composite); + ps->Composite (op, + pSrc, + pMask, + pDst, + xSrc, + ySrc, + xMask, + yMask, + xDst, + yDst, + width, + height); + swap(pExaScr, ps, Composite); + if (pMask && pMask->pDrawable != NULL) + exaFinishAccess (pMask->pDrawable, EXA_PREPARE_MASK); + if (pSrc->pDrawable != NULL) + exaFinishAccess (pSrc->pDrawable, EXA_PREPARE_SRC); + exaFinishAccess (pDst->pDrawable, EXA_PREPARE_DEST); + if (pDst->alphaMap && pDst->alphaMap->pDrawable) + exaFinishAccess(pDst->alphaMap->pDrawable, EXA_PREPARE_AUX_DEST); + if (pSrc->alphaMap && pSrc->alphaMap->pDrawable) + exaFinishAccess(pSrc->alphaMap->pDrawable, EXA_PREPARE_AUX_SRC); + if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable) + exaFinishAccess(pMask->alphaMap->pDrawable, EXA_PREPARE_AUX_MASK); + +out_no_clip: + EXA_POST_FALLBACK(pScreen); +} + +/** + * Avoid migration ping-pong when using a mask. + */ +void +ExaCheckGlyphs (CARD8 op, + PicturePtr pSrc, + PicturePtr pDst, + PictFormatPtr maskFormat, + INT16 xSrc, + INT16 ySrc, + int nlist, + GlyphListPtr list, + GlyphPtr *glyphs) +{ + ScreenPtr pScreen = pDst->pDrawable->pScreen; + EXA_PRE_FALLBACK(pScreen); + + miGlyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs); + + EXA_POST_FALLBACK(pScreen); +} + +void +ExaCheckAddTraps (PicturePtr pPicture, + INT16 x_off, + INT16 y_off, + int ntrap, + xTrap *traps) +{ + ScreenPtr pScreen = pPicture->pDrawable->pScreen; + PictureScreenPtr ps = GetPictureScreen(pScreen); + EXA_PRE_FALLBACK(pScreen); + + EXA_FALLBACK(("to pict %p (%c)\n", + exaDrawableLocation(pPicture->pDrawable))); + exaPrepareAccess(pPicture->pDrawable, EXA_PREPARE_DEST); + swap(pExaScr, ps, AddTraps); + ps->AddTraps (pPicture, x_off, y_off, ntrap, traps); + swap(pExaScr, ps, AddTraps); + exaFinishAccess(pPicture->pDrawable, EXA_PREPARE_DEST); + EXA_POST_FALLBACK(pScreen); +} + +/** + * Gets the 0,0 pixel of a pixmap. Used for doing solid fills of tiled pixmaps + * that happen to be 1x1. Pixmap must be at least 8bpp. + */ +CARD32 +exaGetPixmapFirstPixel (PixmapPtr pPixmap) +{ + switch (pPixmap->drawable.bitsPerPixel) { + case 32: + { + CARD32 pixel; + + pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1, + ZPixmap, ~0, (char*)&pixel); + return pixel; + } + case 16: + { + CARD16 pixel; + + pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1, + ZPixmap, ~0, (char*)&pixel); + return pixel; + } + case 8: + case 4: + case 1: + { + CARD8 pixel; + + pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1, + ZPixmap, ~0, (char*)&pixel); + return pixel; + } + default: + FatalError("%s called for invalid bpp %d\n", __func__, + pPixmap->drawable.bitsPerPixel); + } +} |