Am Freitag, 29. November 2002 00:14 schrieb Dieter N�tzel:
> Seams to me that SSE support in Mesa-5.0/5.1 brakes several things on
> Athlon systems. On Athlon MMX and 3DNow! are shared. Even SSE is "mixed"
> in. But "more" parallel...;-)
Apologies for wasting bandwidth!
"grep -r XXX" is _SOOOO_ useful...;-)
Mesa/demos> grep -r NO_SSE ../src
../src/X86/common_x86.c: if ( getenv( "MESA_NO_SSE" ) == 0 ) {
�bereinstimmungen in Bin�rdatei ../src/X86/common_x86.o.
�bereinstimmungen in Bin�rdatei ../src/libGL.a.
Mesa/demos> ./cubemap
MMX cpu detected.
3DNow! cpu detected.
Testing OS support for SSE... yes.
Testing OS support for SSE unmasked exceptions... SIGFPE, yes.
Tests of OS support for SSE passed.
SSE cpu detected.
GL_RENDERER: Mesa X11
GL_REFLECTION_MAP_ARB mode
keys:
SPACE - toggle animation
CURSOR KEYS - rotation
m - toggle texgen reflection mode
z/Z - change viewing distance
Floating exception (core dumped)
(gdb) bt
#0 0x400f8c1b in _mesa_sse_transform_points3_general () from
/opt/Mesa/lib/libGL.so.1
#1 0x081dbe00 in ?? ()
#2 0x4025c006 in init_vertex_stage () from /opt/Mesa/lib/libGL.so.1
#3 0x4021479b in _tnl_run_pipeline () from /opt/Mesa/lib/libGL.so.1
#4 0x40212d9d in _tnl_run_cassette () from /opt/Mesa/lib/libGL.so.1
#5 0x40212e08 in exec_vert_cassette () from /opt/Mesa/lib/libGL.so.1
#6 0x40212fca in _tnl_execute_cassette () from /opt/Mesa/lib/libGL.so.1
#7 0x40209087 in _tnl_flush_immediate () from /opt/Mesa/lib/libGL.so.1
#8 0x40209115 in _tnl_flush_vertices () from /opt/Mesa/lib/libGL.so.1
#9 0x4016c80b in _mesa_PopMatrix () from /opt/Mesa/lib/libGL.so.1
#10 0x08049c8e in draw ()
#11 0x400292da in processWindowWorkList () from /opt/Mesa/lib/libglut.so.3
#12 0x40029374 in __glutProcessWindowWorkLists () from
/opt/Mesa/lib/libglut.so.3
#13 0x400293dc in glutMainLoop () from /opt/Mesa/lib/libglut.so.3
#14 0x0804a7b0 in main ()
#15 0x403227d1 in __libc_start_main () from /lib/libc.so.6
=======================================================
Mesa/demos> setenv MESA_NO_SSE
Mesa/demos> ./cubemap
MMX cpu detected.
3DNow! cpu detected.
Testing OS support for SSE... yes.
Testing OS support for SSE unmasked exceptions... SIGFPE, yes.
Tests of OS support for SSE passed.
GL_RENDERER: Mesa X11
GL_REFLECTION_MAP_ARB mode
keys:
SPACE - toggle animation
CURSOR KEYS - rotation
m - toggle texgen reflection mode
z/Z - change viewing distance
Works GREAT!.
So my assumption seems to be right.
Sorry again,
Dieter
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