a4005c15fb
Create fbPrepareAccess macros to call into the driver to set up the wfbReadMemory and wfbWriteWemory pointers. Call these from fbGetDrawable and fbGetStipDrawable. Add the READ and WRITE macros, which expand to simple memory accesses for fb, and calls through the function pointers for wfb. Add fbFinishAccess macro to give the driver an opportunity to clean up. Add calls to this in the appropriate places.
105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
/*
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* Id: fbsetsp.c,v 1.1 1999/11/02 03:54:45 keithp Exp $
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*
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* Copyright © 1998 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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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "fb.h"
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void
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fbSetSpans (DrawablePtr pDrawable,
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GCPtr pGC,
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char *src,
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DDXPointPtr ppt,
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int *pwidth,
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int nspans,
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int fSorted)
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{
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FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
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RegionPtr pClip = fbGetCompositeClip(pGC);
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FbBits *dst, *d, *s;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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BoxPtr pbox;
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int n;
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int xoff;
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int x1, x2;
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#ifdef FB_24_32BIT
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if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
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{
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fb24_32SetSpans (pDrawable, pGC, src, ppt, pwidth, nspans, fSorted);
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return;
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}
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#endif
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fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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while (nspans--)
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{
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d = dst + (ppt->y + dstYoff) * dstStride;
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xoff = (int) (((long) src) & (FB_MASK >> 3));
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s = (FbBits *) (src - xoff);
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xoff <<= 3;
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n = REGION_NUM_RECTS(pClip);
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pbox = REGION_RECTS (pClip);
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while (n--)
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{
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if (pbox->y1 > ppt->y)
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break;
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if (pbox->y2 > ppt->y)
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{
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x1 = ppt->x;
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x2 = x1 + *pwidth;
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if (pbox->x1 > x1)
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x1 = pbox->x1;
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if (pbox->x2 < x2)
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x2 = pbox->x2;
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if (x1 < x2)
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fbBlt ((FbBits *) s,
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0,
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(x1 - ppt->x) * dstBpp + xoff,
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d,
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dstStride,
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(x1 + dstXoff) * dstBpp,
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(x2 - x1) * dstBpp,
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1,
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pGC->alu,
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pPriv->pm,
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dstBpp,
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FALSE,
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FALSE);
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}
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}
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src += PixmapBytePad (*pwidth, pDrawable->depth);
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ppt++;
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pwidth++;
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}
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fbValidateDrawable (pDrawable);
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fbFinishAccess (pDrawable);
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}
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