1 files changed, 67 insertions, 0 deletions
diff --git a/hw/xfree86/xf4bpp/emulRepAre.c b/hw/xfree86/xf4bpp/emulRepAre.c
new file mode 100644
index 000000000..42f118aac
--- /dev/null
+++ b/hw/xfree86/xf4bpp/emulRepAre.c
@@ -0,0 +1,67 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/xf4bpp/emulRepAre.c,v 1.3 1999/06/06 08:48:54 dawes Exp $ */
+/*
+ * 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.
+ *
+*/
+/* $XConsortium: emulRepAre.c /main/5 1996/02/21 17:56:16 kaleb $ */
+
+/* ppc Replicate Area -- A Divide & Conquer Algorithm
+ * a "ppc" Helper Function For Stipples And Tiling
+ * P. Shupak 1/88
+ */
+
+#include "xf4bpp.h"
+
+void xf4bppReplicateArea( pWin, x, y, planeMask, goalWidth, goalHeight,
+			currentHoriz, currentVert)
+WindowPtr pWin; /* GJA */
+register int x, y, planeMask ;
+int goalWidth, goalHeight ;
+int currentHoriz, currentVert ;
+{
+	for ( ;
+	      currentHoriz <= ( goalWidth >> 1 ) ;
+	      currentHoriz <<= 1 ) {
+		xf4bppBitBlt( pWin, GXcopy, planeMask,
+			x, y,
+			x + currentHoriz, y,
+			currentHoriz, currentVert ) ;
+	}
+	if ( goalWidth - currentHoriz )
+		xf4bppBitBlt( pWin, GXcopy, planeMask,
+			x, y,
+			x + currentHoriz, y,
+			goalWidth - currentHoriz, currentVert ) ;
+	for ( ;
+	      currentVert <= ( goalHeight >> 1 ) ;
+	      currentVert <<= 1 ) {
+		xf4bppBitBlt( pWin, GXcopy, planeMask,
+			x, y,
+			x, y + currentVert,
+			goalWidth, currentVert ) ;
+	}
+	if ( goalHeight - currentVert )
+		xf4bppBitBlt( pWin, GXcopy, planeMask,
+			x, y,
+			x, y + currentVert,
+			goalWidth, goalHeight - currentVert ) ;
+return ;
+}