Attachment 2877 Details for Bug 3822 – Standalone testcase for the bug; link with /usr/X11R6/lib/modules/libfb.a

Standalone testcase for the bug; link with /usr/X11R6/lib/modules/libfb.a

bltone.c (text/plain), 1.37 KB, created by Mark Kettenis on 2005-08-15 13:10:31 UTC

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Creator: Mark Kettenis

Created: 2005-08-15 13:10:31 UTC

Size: 1.37 KB

patch

obsolete

>/*	$OpenBSD: bltone.c,v 1.1 2005/08/15 18:53:42 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;
>
>extern void fbBltOne24 (FbStip *, FbStride, int, FbBits *, FbStride, int, int,
>			int, int, FbBits, FbBits, FbBits, FbBits);
>
>FbStip mask[] = { 0x77ff7700, 0x11335577 };
>
>int
>main (void)
>{
>  int pagesize;
>  FbStip *src;
>  FbBits *dst;
>  int srcX, dstX;
>  int dstBpp;
>
>  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 = (FbStip *)((char *)src + (pagesize - sizeof mask));
>  memcpy (src, mask, sizeof mask);
>
>  for (dstBpp = 8; dstBpp <= 32; dstBpp += 8)
>    for (dstX = 0; dstX < 64; dstX += 8)
>      for (srcX = 0; srcX < 32; srcX++)
>	fbBltOne(src, 1, srcX, dst, 128, dstX, dstBpp,
>		 (32 - srcX) * dstBpp, 2,
>		 0, 0, 0xffffffff, 0);
>
>  for (dstBpp = 8; dstBpp <= 32; dstBpp += 8)
>    for (dstX = 0; dstX < 64; dstX += 8)
>      for (srcX = 0; srcX < 32; srcX++)
>	fbBltOne(src, 1, srcX, dst, 128, dstX, dstBpp,
>		 (64 - srcX) * dstBpp, 1,
>		 0, 0, 0xffffffff, 0);
>
>  return 0;
>}

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