Keith Whitwell wrote:
> Rune Petersen wrote:
>> Hi,
>>
>> A patch for making sure VBO's are mapped breaks r300:
>>
>> http://marc.theaimsgroup.com/?l=mesa3d-cvs&m=116364446305536&w=2
>>
>> It would appear we "just" need to add _ae_(un)map_vbos() the right
>> places in radeon_vtxfmt_a.c.
>
> Rune, my expectation was that the change wouldn't break drivers, but
> that doing the _ae_map/unmap externally would reduce the performance
> impact of the change.
> I can't debug r300 unfortunately, so if adding the explict map/unmap
> helps, go ahead and do so, but could you also post me stacktraces of the
> crash (I assume its a crash?) so I can figure out what the underlying
> problem might be?
I am not that familiar with this code, I did try and all I got was a
segfault in map =)
Your assert caught something:
backtrace:
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xa7d4c811 in raise () from /lib/tls/i686/cmov/libc.so.6
#2 0xa7d4dfb9 in abort () from /lib/tls/i686/cmov/libc.so.6
#3 0xa7d45fbf in __assert_fail () from /lib/tls/i686/cmov/libc.so.6
#4 0xa78c8bc6 in _ae_invalidate_state (ctx=0x0, new_state=4195328)
at main/api_arrayelt.c:1299
#5 0xa7936a0d in _tnl_InvalidateState (ctx=0x80ebdc0, new_state=4195328)
at tnl/t_context.c:158
#6 0xa78bb00a in r300InvalidateState (ctx=0x80ebdc0, new_state=4195328)
at r300_state.c:1878
#7 0xa790b6ac in _mesa_update_state_locked (ctx=0x80ebdc0)
at main/state.c:1107
#8 0xa790b6ea in _mesa_update_state (ctx=0x80ebdc0) at main/state.c:1118
#9 0xa793c265 in _tnl_playback_vertex_list (ctx=0x80ebdc0, data=0x8794c10)
at tnl/t_save_playback.c:198
#10 0xa79399a2 in _save_compile_vertex_list (ctx=0x80ebdc0)
at tnl/t_save_api.c:306
#11 0xa79399e8 in _tnl_SaveFlushVertices (ctx=0x80ebdc0)
at tnl/t_save_api.c:1577
#12 0xa78e16fb in _mesa_EndList () at main/dlist.c:6814
#13 0x08050d6b in ?? ()
#14 0x08068fd4 in ?? ()
#15 0xa7f7e310 in glutMainLoop () at glut_event.c:967
#16 0x0804c02e in ?? ()
Rune Petersen
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