1c003ccf5d
around CPU access to the framebuffer. This allows the hardware to set up swappers to deal with endianness, or to tell EXA to move the pixmap out to framebuffer if insufficient swappers are available (note: must not fail on front buffer!). Submitted by: benh
335 lines
9.4 KiB
C
335 lines
9.4 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 "exaPriv.h"
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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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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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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbFillSpans (pDrawable, pGC, nspans, ppt, pwidth, fSorted);
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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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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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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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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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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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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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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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if (pGC->lineWidth == 0) {
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbPolyLine (pDrawable, pGC, mode, npt, ppt);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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return;
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}
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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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if (pGC->lineWidth == 0) {
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbPolySegment (pDrawable, pGC, nsegInit, pSegInit);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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return;
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}
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fbPolySegment (pDrawable, pGC, nsegInit, pSegInit);
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}
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void
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ExaCheckPolyRectangle (DrawablePtr pDrawable, GCPtr pGC,
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int nrects, xRectangle *prect)
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{
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if (pGC->lineWidth == 0) {
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbPolyRectangle (pDrawable, pGC, nrects, prect);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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return;
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}
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fbPolyRectangle (pDrawable, pGC, nrects, prect);
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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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if (pGC->lineWidth == 0)
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{
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbPolyArc (pDrawable, pGC, narcs, pArcs);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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return;
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}
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miPolyArc (pDrawable, pGC, narcs, pArcs);
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}
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#if 0
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void
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ExaCheckFillPolygon (DrawablePtr pDrawable, GCPtr pGC,
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int shape, int mode, int count, DDXPointPtr pPts)
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{
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbFillPolygon (pDrawable, pGC, mode, count, pPts);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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}
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#endif
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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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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbPolyFillRect (pDrawable, pGC, nrect, prect);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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}
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void
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ExaCheckPolyFillArc (DrawablePtr pDrawable, GCPtr pGC,
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int narcs, xArc *pArcs)
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{
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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbPolyFillArc (pDrawable, pGC, narcs, pArcs);
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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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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbImageGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
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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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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbPolyGlyphBlt (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase);
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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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exaPrepareAccess (pDrawable, EXA_PREPARE_DEST);
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fbPushPixels (pGC, pBitmap, pDrawable, w, h, x, y);
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exaFinishAccess (pDrawable, EXA_PREPARE_DEST);
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}
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void
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ExaCheckGetImage (DrawablePtr pDrawable,
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int x, int y, int w, int h,
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unsigned int format, unsigned long planeMask,
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char *d)
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{
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exaPrepareAccess (pDrawable, EXA_PREPARE_SRC);
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fbGetImage (pDrawable, x, y, w, h, format, planeMask, d);
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exaFinishAccess (pDrawable, EXA_PREPARE_SRC);
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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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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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ExaCheckSaveAreas (PixmapPtr pPixmap,
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RegionPtr prgnSave,
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int xorg,
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int yorg,
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WindowPtr pWin)
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{
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exaPrepareAccess ((DrawablePtr)pPixmap, EXA_PREPARE_DEST);
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fbSaveAreas (pPixmap, prgnSave, xorg, yorg, pWin);
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exaFinishAccess ((DrawablePtr)pPixmap, EXA_PREPARE_DEST);
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}
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void
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ExaCheckRestoreAreas (PixmapPtr pPixmap,
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RegionPtr prgnSave,
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int xorg,
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int yorg,
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WindowPtr pWin)
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{
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exaPrepareAccess ((DrawablePtr)pPixmap, EXA_PREPARE_DEST);
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fbRestoreAreas (pPixmap, prgnSave, xorg, yorg, pWin);
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exaFinishAccess ((DrawablePtr)pPixmap, EXA_PREPARE_DEST);
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}
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void
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ExaCheckPaintWindow (WindowPtr pWin, RegionPtr pRegion, int what)
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{
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exaPrepareAccess (&pWin->drawable, EXA_PREPARE_DEST);
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fbPaintWindow (pWin, pRegion, what);
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exaFinishAccess (&pWin->drawable, EXA_PREPARE_DEST);
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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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exaPrepareAccess (pDst->pDrawable, EXA_PREPARE_DEST);
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exaPrepareAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
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if (pMask)
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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)
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exaFinishAccess (pMask->pDrawable, EXA_PREPARE_MASK);
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exaFinishAccess (pSrc->pDrawable, EXA_PREPARE_SRC);
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exaFinishAccess (pDst->pDrawable, EXA_PREPARE_DEST);
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}
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/*
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* Only need to stall for CopyArea/CopyPlane, but we want to have the chance to
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* do migration for CopyArea.
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*/
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const GCOps exaAsyncPixmapGCOps = {
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fbFillSpans,
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fbSetSpans,
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fbPutImage,
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exaCopyArea,
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ExaCheckCopyPlane,
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fbPolyPoint,
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fbPolyLine,
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fbPolySegment,
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fbPolyRectangle,
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fbPolyArc,
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fbFillPolygon,
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fbPolyFillRect,
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fbPolyFillArc,
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miPolyText8,
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miPolyText16,
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miImageText8,
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miImageText16,
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fbImageGlyphBlt,
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fbPolyGlyphBlt,
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fbPushPixels
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#ifdef NEED_LINEHELPER
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,NULL
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#endif
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};
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