1 files changed, 87 insertions, 0 deletions
diff --git a/xorg-server/fb/fbgetsp.c b/xorg-server/fb/fbgetsp.c
new file mode 100644
index 000000000..6402c6c38
--- /dev/null
+++ b/xorg-server/fb/fbgetsp.c
@@ -0,0 +1,87 @@
+/*
+ * 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;
+    
+#ifdef FB_24_32BIT
+    if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
+    {
+	fb24_32GetSpans (pDrawable, wMax, ppt, pwidth, nspans, pchardstStart);
+	return;
+    }
+#endif
+    
+    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);
+}