358 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			358 lines
		
	
	
		
			11 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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    EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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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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    EXA_FALLBACK(("to 0x%lx\n", (long)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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    EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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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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    EXA_FALLBACK(("from 0x%lx to 0x%lx\n", (long)pSrc, (long)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 0x%lx to 0x%lx\n", (long)pSrc, (long)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 0x%lx\n", (long)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 0x%lx\n", (long)pDrawable));
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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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    EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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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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    EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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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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    EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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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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    EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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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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    EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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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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    EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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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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    EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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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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    EXA_FALLBACK(("to 0x%lx\n", (long)pDrawable));
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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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    EXA_FALLBACK(("from 0x%lx to 0x%lx\n", (long)pBitmap, (long)pDrawable));
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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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    EXA_FALLBACK(("from 0x%lx\n", (long)pDrawable));
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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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    EXA_FALLBACK(("from 0x%lx\n", (long)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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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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    EXA_FALLBACK(("from 0x%lx\n", (long)&pPixmap->drawable));
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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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    EXA_FALLBACK(("to 0x%lx\n", (long)&pPixmap->drawable));
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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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    EXA_FALLBACK(("from 0x%lx\n", (long)pWin));
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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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    EXA_FALLBACK(("from picts 0x%lx/0x%lx to pict 0x%lx\n",
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		 (long)pSrc, (long)pMask, (long)pDst));
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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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    ExaCheckFillSpans,
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    ExaCheckSetSpans,
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    ExaCheckPutImage,
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    exaCopyArea,
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    ExaCheckCopyPlane,
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    ExaCheckPolyPoint,
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    ExaCheckPolylines,
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    ExaCheckPolySegment,
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    ExaCheckPolyRectangle,
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    ExaCheckPolyArc,
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    ExaCheckFillPolygon,
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    ExaCheckPolyFillRect,
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    ExaCheckPolyFillArc,
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    miPolyText8,
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    miPolyText16,
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    miImageText8,
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    miImageText16,
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    ExaCheckImageGlyphBlt,
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    ExaCheckPolyGlyphBlt,
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    ExaCheckPushPixels
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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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