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-rw-r--r--xorg-server/exa/exa_unaccel.c1528
1 files changed, 764 insertions, 764 deletions
diff --git a/xorg-server/exa/exa_unaccel.c b/xorg-server/exa/exa_unaccel.c
index 078b91c77..1ed08d5b1 100644
--- a/xorg-server/exa/exa_unaccel.c
+++ b/xorg-server/exa/exa_unaccel.c
@@ -1,764 +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 && RegionInitBoxes(&reg, pbox, nbox)) {
- PixmapPtr pPixmap = exaGetDrawablePixmap(pSrc);
-
- exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
- RegionTranslate(&reg, xoff + dx, yoff + dy);
- pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, &reg);
- RegionUninit(&reg);
- } else
- exaPrepareAccess (pSrc, EXA_PREPARE_SRC);
-
- if (pExaScr->prepare_access_reg &&
- !exaGCReadsDestination(pDst, pGC->planemask, pGC->fillStyle,
- pGC->alu, pGC->clientClipType) &&
- RegionInitBoxes (&reg, pbox, nbox)) {
- PixmapPtr pPixmap = exaGetDrawablePixmap(pDst);
-
- exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
- RegionTranslate(&reg, xoff, yoff);
- pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST, &reg);
- RegionUninit(&reg);
- } 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(&reg, &box, 1);
- pExaScr->prepare_access_reg(pPixmap, index, &reg);
- RegionUninit(&reg);
- } 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(&reg, &box, 1);
- RegionUnion(dst, dst, &reg);
- RegionUninit(&reg);
-
- 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(&region);
-
- 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 (&region, 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(&region, pDst->pDrawable->x + xoff,
- pDst->pDrawable->y + yoff);
- dstReg = &region;
- }
-
- 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(&region);
- 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(&reg, pbox, nbox)) {
+ PixmapPtr pPixmap = exaGetDrawablePixmap(pSrc);
+
+ exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
+ RegionTranslate(&reg, xoff + dx, yoff + dy);
+ pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, &reg);
+ RegionUninit(&reg);
+ } else
+ exaPrepareAccess (pSrc, EXA_PREPARE_SRC);
+
+ if (pExaScr->prepare_access_reg &&
+ !exaGCReadsDestination(pDst, pGC->planemask, pGC->fillStyle,
+ pGC->alu, pGC->clientClipType) &&
+ RegionInitBoxes (&reg, pbox, nbox)) {
+ PixmapPtr pPixmap = exaGetDrawablePixmap(pDst);
+
+ exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff);
+ RegionTranslate(&reg, xoff, yoff);
+ pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST, &reg);
+ RegionUninit(&reg);
+ } 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(&reg, &box, 1);
+ pExaScr->prepare_access_reg(pPixmap, index, &reg);
+ RegionUninit(&reg);
+ } 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(&reg, &box, 1);
+ RegionUnion(dst, dst, &reg);
+ RegionUninit(&reg);
+
+ 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(&region);
+
+ 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 (&region, 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(&region, pDst->pDrawable->x + xoff,
+ pDst->pDrawable->y + yoff);
+ dstReg = &region;
+ }
+
+ 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(&region);
+ 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", __FUNCTION__,
+ pPixmap->drawable.bitsPerPixel);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 09:19:01 +0000