[Bug 37171] half-life 2 with -dxlevel 90 crashes system

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=37171

--- Comment #13 from Marek Olšák <maraeo at gmail.com> 2011-06-09 03:38:24 PDT ---
(In reply to comment #12)
> (In reply to comment #10)
> > The log clearly says HL2 uses loops, which r3xx-r4xx can't do. All the r300
> > error messages seem to be unfixable hardware limitations.
> OK, but why does it hardlock the kernel?

No idea.

> 
> As I understand section 7.5.5 of Radeon R5xx Acceleration (page 77), r3xx and
> r4xx do support loops. I'm confused.

There are some loops in vertex shaders, but they're so oversimplified that
implementing GLSL loops with that is impossible and we haven't been able to
make it work even for simple cases anyway.

Please attach a new log with RADEON_DEBUG=vp

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