Add regression test for fbBlt().

permission from deraadt@

3 files changed, 66 insertions, 2 deletions

diff --git a/regress/misc/X11/Makefile b/regress/misc/X11/Makefile
index 4ac98f60dc0..eb7c350253b 100644
--- a/regress/misc/X11/Makefile
+++ b/regress/misc/X11/Makefile
@@ -1,6 +1,6 @@
-#	$OpenBSD: Makefile,v 1.1 2005/08/15 18:53:42 kettenis Exp $
+#	$OpenBSD: Makefile,v 1.2 2005/08/31 20:53:49 kettenis Exp $
 
-SUBDIR+= bltone
+SUBDIR+= blt bltone
 
 install:
 
diff --git a/regress/misc/X11/blt/Makefile b/regress/misc/X11/blt/Makefile
new file mode 100644
index 00000000000..f231185509c
--- /dev/null
+++ b/regress/misc/X11/blt/Makefile
@@ -0,0 +1,6 @@
+#	$OpenBSD: Makefile,v 1.1 2005/08/31 20:53:49 kettenis Exp $
+
+PROG=	blt
+LDADD+=	/usr/X11R6/lib/modules/libfb.a
+
+.include <bsd.regress.mk>
diff --git a/regress/misc/X11/blt/blt.c b/regress/misc/X11/blt/blt.c
new file mode 100644
index 00000000000..d9e11e30598
--- /dev/null
+++ b/regress/misc/X11/blt/blt.c
@@ -0,0 +1,58 @@
+/*	$OpenBSD: blt.c,v 1.1 2005/08/31 20:53:49 kettenis Exp $	*/
+/*
+ *	Written by Mark Kettenis <kettenis@openbsd.org> 2004 Public Domain
+ */
+
+#include <sys/types.h>
+#include <sys/mman.h>
+
+#include <assert.h>
+#include <stddef.h>
+
+typedef unsigned FbStip;
+typedef unsigned FbBits;
+typedef int FbStride;
+typedef int Bool;
+
+extern void fbBlt (FbBits *, FbStride, int, FbBits *, FbStride, int,
+		   int,	int, int, FbBits, int, Bool, Bool);
+
+FbBits map[] = { 0x77ff7700, 0x11335577 };
+
+int
+main (void)
+{
+	int pagesize;
+	FbBits *src;
+	FbBits *dst;
+	int srcX, dstX;
+	int bpp;
+	int alu = 1;
+	FbBits pm = 0xffffffff;
+
+	pagesize = getpagesize();
+
+	src = mmap(NULL, 2 * pagesize, PROT_READ|PROT_WRITE, MAP_ANON, -1, 0);
+	assert(src);
+
+	dst = mmap(NULL, 2 * pagesize, PROT_READ|PROT_WRITE, MAP_ANON, -1, 0);
+	assert(dst);
+
+	mprotect((char *)src + pagesize, pagesize, PROT_NONE);
+	src = (FbBits *)((char *)src + (pagesize - sizeof map));
+	memcpy (src, map, sizeof map);
+
+	for (bpp = 8; bpp <= 32; bpp += 8)
+		for (dstX = 0; dstX < 64; dstX += bpp)
+			for (srcX = 0; srcX < 32; srcX += bpp)
+				fbBlt(src, 1, srcX, dst, 256, dstX,
+				    (32 - srcX), 2, alu, pm, bpp, 0, 0);
+
+	for (bpp = 8; bpp <= 32; bpp += 8)
+		for (dstX = 0; dstX < 64; dstX += bpp)
+			for (srcX = 0; srcX < 32; srcX += bpp)
+				fbBlt(src, 1, srcX, dst, 256, dstX,
+				    (64 - srcX), 1, alu, pm, bpp, 0, 0);
+
+	return 0;
+}