/* * Copyright © 1998 Keith Packard * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of Keith Packard not be used in * advertising or publicity pertaining to distribution of the software without * specific, written prior permission. Keith Packard makes no * representations about the suitability of this software for any purpose. It * is provided "as is" without express or implied warranty. * * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> #endif #include "fb.h" void fbGetSpans(DrawablePtr pDrawable, int wMax, DDXPointPtr ppt, int *pwidth, int nspans, char *pchardstStart) { FbBits *src, *dst; FbStride srcStride; int srcBpp; int srcXoff, srcYoff; int xoff; /* * XFree86 DDX empties the root borderClip when the VT is * switched away; this checks for that case */ if (!fbDrawableEnabled(pDrawable)) return; if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) { fb24_32GetSpans (pDrawable, wMax, ppt, pwidth, nspans, pchardstStart); return; } fbGetDrawable (pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff); while (nspans--) { xoff = (int) (((long) pchardstStart) & (FB_MASK >> 3)); dst = (FbBits *) (pchardstStart - xoff); xoff <<= 3; fbBlt (src + (ppt->y + srcYoff) * srcStride, srcStride, (ppt->x + srcXoff) * srcBpp, dst, 1, xoff, *pwidth * srcBpp, 1, GXcopy, FB_ALLONES, srcBpp, FALSE, FALSE); pchardstStart += PixmapBytePad(*pwidth, pDrawable->depth); ppt++; pwidth++; } fbFinishAccess (pDrawable); }