Subject:
Re: more on jpeg...
From:
Kyle Harris ####@####.####
Date:
3 Feb 2000 02:35:22 -0000
Message-Id: <3898E690.48D3B2E5@nexus-tech.net>
Greg Haerr wrote:
>
>
> : Has anyone done any work with 24bpp framebuffers? I couldn't get any of
> : the demos to run on an 800x600x24bpp fb.
>
> It's all supposedly implemented, but I haven't been able to test it.
> Perhaps it's time for me to buy a new video card. What are you
> running? Can you switch between modes? What version of Linux?
>
I'm running 2.2.5-15 kernel on an Aaeon 4896 MediaGX single board
computer with a C&T 69000 chip. The framebuffer is VESA, so I can't
change modes without rebooting.
> What exactly isn't running?
>
Most demos kinda run, but the color is off and there are vertical lines
every few mm. Mdemo with GRAPH3D enabled takes a seg fault. Below is the
stack trace.
Program received signal SIGSEGV, Segmentation fault.
0x8057dd9 in linear32_drawhorzline (psd=0x8088ab0, x1=0, x2=394, y=96,
c=12307669) at fblin32.c:77
77 *addr++ = c;
(gdb) bt
#0 0x8057dd9 in linear32_drawhorzline (psd=0x8088ab0, x1=0, x2=394,
y=96,
c=12307669) at fblin32.c:77
#1 0x8054a02 in FB_drawhline (psd=0x8088ab0, x1=0, x2=393, y=96,
c=12307669) at scr_fb.c:114
#2 0x80531f3 in GdFillRect (psd=0x8088ab0, x1=0, y1=97, width=800,
height=600) at devdraw.c:532
#3 0x804b09a in FillRect (hdc=0x8088b20, lprc=0x0, hbr=0x805c704)
at wingdi.c:384
#4 0x804dfef in init3 (hDC=0x8088a78, memhwnd=0x80889b8) at
graph3d.c:55
#5 0x8048d11 in WndProc (hwnd=0x80889b8, msg=15, wp=0, lp=0)
at demo.c:217
#6 0x804a4c8 in DispatchMessage (lpMsg=0xbffffd2c) at
winuser.c:27
#7 0x8048f02 in WinMain (hInstance=0x0, hPrevInstance=0x0,
lpCmdLine=0x0, nShowCmd=5) at demo.c:299
#8 0x8049aad in main (ac=1, av=0xbffffdb4) at winmain.c:49
#9 0x4004bcb3 in __libc_start_main (main=0x8049a70 <main>,
argc=1, argv=0xbffffdb4, init=0x80487c4 <_init>, fini=0x8059ccc
<_fini>, rtld_fini=0x4000a350 <_dl_fini>, stack_end=0xbffffdac)
at ../sysdeps/generic/libc-start.c:78
Kyle.
