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Diffstat (limited to 'xorg-server/hw/xfree86/xf4bpp/ppcGetSp.c')
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diff --git a/xorg-server/hw/xfree86/xf4bpp/ppcGetSp.c b/xorg-server/hw/xfree86/xf4bpp/ppcGetSp.c
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+++ b/xorg-server/hw/xfree86/xf4bpp/ppcGetSp.c
@@ -0,0 +1,141 @@
+/*
+ * Copyright IBM Corporation 1987,1988,1989
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * 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 IBM not be
+ * used in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ *
+ * IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+ * IBM 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.
+ *
+*/
+
+/***********************************************************
+
+Copyright (c) 1987 X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the X Consortium.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+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 Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL 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_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <string.h>
+#include "xf4bpp.h"
+#include "OScompiler.h"
+#include "mfbmap.h"
+#include "mfb.h"
+#include "servermd.h"
+#include "ibmTrace.h"
+
+/* GetSpans -- for each span, gets bits from drawable starting at ppt[i]
+ * and continuing for pwidth[i] bits
+ * Each scanline returned will be server scanline padded, i.e., it will come
+ * out to an integral number of words.
+ */
+void
+xf4bppGetSpans( pDrawable, wMax, ppt, pwidth, nspans, pdstStart )
+ DrawablePtr pDrawable ; /* drawable from which to get bits */
+ int wMax ; /* largest value of all *pwidths */
+ DDXPointPtr ppt ; /* points to start copying from */
+ int *pwidth ; /* list of number of bits to copy */
+ int nspans ; /* number of scanlines to copy */
+ char *pdstStart ;
+{
+ register int j ;
+ register unsigned char *pdst ; /* where to put the bits */
+ register unsigned char *psrc ; /* where to get the bits */
+ register int pixmapStride ;
+
+
+ TRACE( ( "xf4bppGetSpans(pDrawable=0x%x,wMax=%d,ppt=0x%x,pwidth=0x%x,nspans=%d)\n",
+ pDrawable, wMax, ppt, pwidth, nspans ) ) ;
+
+ if ( ( pDrawable->depth == 1 ) && ( pDrawable->type == DRAWABLE_PIXMAP ) )
+ {
+ mfbGetSpans( pDrawable, wMax, ppt, pwidth, nspans, pdstStart ) ;
+ return;
+ }
+
+ pixmapStride = PixmapBytePad( wMax, pDrawable->depth ) ;
+ pdst = (unsigned char *) /* GJA */ pdstStart ;
+
+ if ( pDrawable->type == DRAWABLE_WINDOW ) {
+ for ( ; nspans-- ; ppt++, pwidth++ ) {
+ xf4bppReadColorImage( (WindowPtr)pDrawable,
+ ppt->x, ppt->y, j = *pwidth, 1, pdst, pixmapStride ) ;
+ pdst += j ; /* width is in 32 bit words */
+ j = ( -j ) & 3 ;
+ while ( j-- ) /* Pad out to 32-bit boundary */
+ *pdst++ = 0 ;
+ }
+ }
+ else { /* OK, if we are here, we had better be a DRAWABLE PIXMAP */
+ register int widthSrc = /* width of pixmap in bytes */
+ (int) ( (PixmapPtr) pDrawable )->devKind ;
+
+ psrc = (unsigned char *) ( (PixmapPtr) pDrawable )->devPrivate.ptr ;
+ for ( ; nspans-- ; ppt++, pwidth++ ) {
+ MOVE( psrc + ( ppt->y * widthSrc ) + ppt->x,
+ pdst, j = *pwidth ) ;
+ pdst += j ;
+ j = ( -j ) & 3 ;
+ while ( j-- ) /* Pad out to 32-bit boundary */
+ *pdst++ = 0 ;
+ }
+ }
+ return ;
+}