428 lines
13 KiB
C
428 lines
13 KiB
C
/*
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*
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* Copyright © 1999 Keith Packard
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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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#include "exa_priv.h"
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#ifdef RENDER
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#include "mipict.h"
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#endif
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/*
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* These functions wrap the low-level fb rendering functions and
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* synchronize framebuffer/accelerated drawing by stalling until
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* the accelerator is idle
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*/
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/**
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* Calls exaPrepareAccess with EXA_PREPARE_SRC for the tile, if that is the
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* current fill style.
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*
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* Solid doesn't use an extra pixmap source, and Stippled/OpaqueStippled are
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* 1bpp and never in fb, so we don't worry about them.
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* We should worry about them for completeness sake and going forward.
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*/
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void
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exaPrepareAccessGC(GCPtr pGC)
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{
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if (pGC->stipple)
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exaPrepareAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK);
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if (pGC->fillStyle == FillTiled)
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exaPrepareAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC);
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}
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/**
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* Finishes access to the tile in the GC, if used.
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*/
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void
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exaFinishAccessGC(GCPtr pGC)
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{
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if (pGC->fillStyle == FillTiled)
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exaFinishAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC);
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if (pGC->stipple)
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exaFinishAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK);
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}
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#if DEBUG_TRACE_FALL
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char
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exaDrawableLocation(DrawablePtr pDrawable)
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{
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return exaDrawableIsOffscreen(pDrawable) ? 's' : 'm';
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}
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#endif /* DEBUG_TRACE_FALL */
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void
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ExaCheckFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nspans,
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DDXPointPtr ppt, int *pwidth, int fSorted)
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{
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EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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exaPrepareAccessGC (pGC);
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fbFillSpans (pDrawable, pGC, nspans, ppt, pwidth, fSorted);
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exaFinishAccessGC (pGC);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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}
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void
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ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc,
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DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
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{
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EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbSetSpans (pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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}
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void
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ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth,
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int x, int y, int w, int h, int leftPad, int format,
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char *bits)
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{
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ExaPixmapPriv(exaGetDrawablePixmap(pDrawable));
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EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
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if (exaGCReadsDestination(pDrawable, pGC->planemask, pGC->fillStyle,
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pGC->alu))
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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else
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exaPrepareAccessReg (pDrawable, EXA_PREPARE_DEST, pExaPixmap->pDamage ?
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DamagePendingRegion(pExaPixmap->pDamage) : NULL);
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fbPutImage (pDrawable, pGC, depth, x, y, w, h, leftPad, format, bits);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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}
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RegionPtr
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ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
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int srcx, int srcy, int w, int h, int dstx, int dsty)
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{
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RegionPtr ret;
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EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
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exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
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exaPrepareAccess (pDst, EXA_PREPARE_DEST);
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exaPrepareAccess (pSrc, EXA_PREPARE_SRC);
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ret = fbCopyArea (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty);
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exaFinishAccess (pSrc, EXA_PREPARE_SRC);
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exaFinishAccess (pDst, EXA_PREPARE_DEST);
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return ret;
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}
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RegionPtr
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ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
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int srcx, int srcy, int w, int h, int dstx, int dsty,
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unsigned long bitPlane)
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{
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RegionPtr ret;
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EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst,
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exaDrawableLocation(pSrc), exaDrawableLocation(pDst)));
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exaPrepareAccess (pDst, EXA_PREPARE_DEST);
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exaPrepareAccess (pSrc, EXA_PREPARE_SRC);
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ret = fbCopyPlane (pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty,
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bitPlane);
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exaFinishAccess (pSrc, EXA_PREPARE_SRC);
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exaFinishAccess (pDst, EXA_PREPARE_DEST);
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return ret;
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}
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void
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ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
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DDXPointPtr pptInit)
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{
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EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbPolyPoint (pDrawable, pGC, mode, npt, pptInit);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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}
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void
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ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC,
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int mode, int npt, DDXPointPtr ppt)
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{
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EXA_FALLBACK(("to %p (%c), width %d, mode %d, count %d\n",
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pDrawable, exaDrawableLocation(pDrawable),
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pGC->lineWidth, mode, npt));
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if (pGC->lineWidth == 0) {
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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exaPrepareAccessGC (pGC);
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fbPolyLine (pDrawable, pGC, mode, npt, ppt);
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exaFinishAccessGC (pGC);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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return;
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}
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/* fb calls mi functions in the lineWidth != 0 case. */
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fbPolyLine (pDrawable, pGC, mode, npt, ppt);
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}
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void
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ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC,
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int nsegInit, xSegment *pSegInit)
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{
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EXA_FALLBACK(("to %p (%c) width %d, count %d\n", pDrawable,
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exaDrawableLocation(pDrawable), pGC->lineWidth, nsegInit));
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if (pGC->lineWidth == 0) {
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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exaPrepareAccessGC (pGC);
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fbPolySegment (pDrawable, pGC, nsegInit, pSegInit);
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exaFinishAccessGC (pGC);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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return;
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}
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/* fb calls mi functions in the lineWidth != 0 case. */
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fbPolySegment (pDrawable, pGC, nsegInit, pSegInit);
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}
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void
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ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC,
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int narcs, xArc *pArcs)
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{
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EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
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/* Disable this as fbPolyArc can call miZeroPolyArc which in turn
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* can call accelerated functions, that as yet, haven't been notified
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* with exaFinishAccess().
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*/
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#if 0
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if (pGC->lineWidth == 0)
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{
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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exaPrepareAccessGC (pGC);
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fbPolyArc (pDrawable, pGC, narcs, pArcs);
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exaFinishAccessGC (pGC);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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return;
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}
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#endif
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miPolyArc (pDrawable, pGC, narcs, pArcs);
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}
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void
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ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC,
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int nrect, xRectangle *prect)
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{
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EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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exaPrepareAccessGC (pGC);
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fbPolyFillRect (pDrawable, pGC, nrect, prect);
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exaFinishAccessGC (pGC);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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}
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void
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ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
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int x, int y, unsigned int nglyph,
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CharInfoPtr *ppci, pointer pglyphBase)
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{
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EXA_FALLBACK(("to %p (%c)\n", pDrawable,
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exaDrawableLocation(pDrawable)));
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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exaPrepareAccessGC (pGC);
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fbImageGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
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exaFinishAccessGC (pGC);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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}
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void
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ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
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int x, int y, unsigned int nglyph,
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CharInfoPtr *ppci, pointer pglyphBase)
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{
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EXA_FALLBACK(("to %p (%c), style %d alu %d\n", pDrawable,
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exaDrawableLocation(pDrawable), pGC->fillStyle, pGC->alu));
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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exaPrepareAccessGC (pGC);
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fbPolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
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exaFinishAccessGC (pGC);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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}
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void
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ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap,
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DrawablePtr pDrawable,
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int w, int h, int x, int y)
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{
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EXA_FALLBACK(("from %p to %p (%c,%c)\n", pBitmap, pDrawable,
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exaDrawableLocation(&pBitmap->drawable),
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exaDrawableLocation(pDrawable)));
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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exaPrepareAccess (&pBitmap->drawable, EXA_PREPARE_SRC);
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exaPrepareAccessGC (pGC);
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fbPushPixels (pGC, pBitmap, pDrawable, w, h, x, y);
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exaFinishAccessGC (pGC);
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exaFinishAccess (&pBitmap->drawable, EXA_PREPARE_SRC);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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}
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void
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ExaCheckGetSpans (DrawablePtr pDrawable,
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int wMax,
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DDXPointPtr ppt,
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int *pwidth,
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int nspans,
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char *pdstStart)
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{
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EXA_FALLBACK(("from %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable)));
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exaPrepareAccess (pDrawable, EXA_PREPARE_SRC);
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fbGetSpans (pDrawable, wMax, ppt, pwidth, nspans, pdstStart);
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exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
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}
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void
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ExaCheckComposite (CARD8 op,
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PicturePtr pSrc,
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PicturePtr pMask,
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PicturePtr pDst,
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INT16 xSrc,
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INT16 ySrc,
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INT16 xMask,
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INT16 yMask,
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INT16 xDst,
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INT16 yDst,
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CARD16 width,
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CARD16 height)
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{
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RegionRec region;
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int xoff, yoff;
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REGION_NULL(pScreen, ®ion);
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if (!exaOpReadsDestination(op)) {
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if (!miComputeCompositeRegion (®ion, pSrc, pMask, pDst,
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xSrc, ySrc, xMask, yMask, xDst, yDst,
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width, height))
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return;
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exaGetDrawableDeltas (pDst->pDrawable,
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exaGetDrawablePixmap(pDst->pDrawable),
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&xoff, &yoff);
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REGION_TRANSLATE(pScreen, ®ion, xoff, yoff);
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exaPrepareAccessReg (pDst->pDrawable, EXA_PREPARE_DEST, ®ion);
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} else
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exaPrepareAccess (pDst->pDrawable, EXA_PREPARE_DEST);
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EXA_FALLBACK(("from picts %p/%p to pict %p\n",
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pSrc, pMask, pDst));
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if (pSrc->pDrawable != NULL)
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exaPrepareAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
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if (pMask && pMask->pDrawable != NULL)
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exaPrepareAccess (pMask->pDrawable, EXA_PREPARE_MASK);
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fbComposite (op,
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pSrc,
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pMask,
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pDst,
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xSrc,
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ySrc,
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xMask,
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yMask,
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xDst,
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yDst,
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width,
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height);
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if (pMask && pMask->pDrawable != NULL)
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exaFinishAccess (pMask->pDrawable, EXA_PREPARE_MASK);
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if (pSrc->pDrawable != NULL)
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exaFinishAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
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exaFinishAccess (pDst->pDrawable, EXA_PREPARE_DEST);
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REGION_UNINIT(pScreen, ®ion);
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}
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void
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ExaCheckAddTraps (PicturePtr pPicture,
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INT16 x_off,
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INT16 y_off,
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int ntrap,
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xTrap *traps)
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{
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EXA_FALLBACK(("to pict %p (%c)\n",
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exaDrawableLocation(pPicture->pDrawable)));
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exaPrepareAccess(pPicture->pDrawable, EXA_PREPARE_DEST);
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fbAddTraps (pPicture, x_off, y_off, ntrap, traps);
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exaFinishAccess(pPicture->pDrawable, EXA_PREPARE_DEST);
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}
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/**
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* Gets the 0,0 pixel of a pixmap. Used for doing solid fills of tiled pixmaps
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* that happen to be 1x1. Pixmap must be at least 8bpp.
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*
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* XXX This really belongs in fb, so it can be aware of tiling and etc.
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*/
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CARD32
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exaGetPixmapFirstPixel (PixmapPtr pPixmap)
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{
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CARD32 pixel;
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void *fb;
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Bool need_finish = FALSE;
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BoxRec box;
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RegionRec migration;
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ExaPixmapPriv (pPixmap);
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Bool sys_valid = pExaPixmap->pDamage &&
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!miPointInRegion(&pExaPixmap->validSys, 0, 0, &box);
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Bool damaged = pExaPixmap->pDamage &&
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miPointInRegion(DamageRegion(pExaPixmap->pDamage), 0, 0, &box);
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Bool offscreen = exaPixmapIsOffscreen(pPixmap);
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fb = pExaPixmap->sys_ptr;
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/* Try to avoid framebuffer readbacks */
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if ((!offscreen && !sys_valid && !damaged) ||
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(offscreen && (!sys_valid || damaged)))
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{
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box.x1 = 0;
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box.y1 = 0;
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box.x2 = 1;
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box.y2 = 1;
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REGION_INIT(pScreen, &migration, &box, 1);
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need_finish = TRUE;
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exaPrepareAccessReg(&pPixmap->drawable, EXA_PREPARE_SRC, &migration);
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fb = pPixmap->devPrivate.ptr;
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}
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switch (pPixmap->drawable.bitsPerPixel) {
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case 32:
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pixel = *(CARD32 *)fb;
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break;
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case 16:
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pixel = *(CARD16 *)fb;
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break;
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default:
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pixel = *(CARD8 *)fb;
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break;
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}
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if (need_finish) {
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exaFinishAccess(&pPixmap->drawable, EXA_PREPARE_SRC);
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REGION_UNINIT(pScreen, &migration);
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}
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return pixel;
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}
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