2006-11-26 11:13:41 -07:00
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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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fbGetSpans(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 *pchardstStart)
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{
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FbBits *src, *dst;
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FbStride srcStride;
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int srcBpp;
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int srcXoff, srcYoff;
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int xoff;
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/*
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* XFree86 DDX empties the root borderClip when the VT is
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* switched away; this checks for that case
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*/
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if (!fbDrawableEnabled(pDrawable))
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return;
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if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
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{
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fb24_32GetSpans (pDrawable, wMax, ppt, pwidth, nspans, pchardstStart);
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return;
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}
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fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
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while (nspans--)
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{
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xoff = (int) (((long) pchardstStart) & (FB_MASK >> 3));
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dst = (FbBits *) (pchardstStart - xoff);
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xoff <<= 3;
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fbBlt (src + (ppt->y + srcYoff) * srcStride, srcStride,
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(ppt->x + srcXoff) * srcBpp,
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dst,
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1,
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xoff,
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*pwidth * srcBpp,
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1,
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GXcopy,
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FB_ALLONES,
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srcBpp,
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FALSE,
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FALSE);
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pchardstStart += PixmapBytePad(*pwidth, pDrawable->depth);
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ppt++;
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pwidth++;
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}
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2007-11-24 10:55:21 -07:00
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fbFinishAccess (pDrawable);
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2006-11-26 11:13:41 -07:00
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}
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