[Bug 49140] r600_state_common.c:761:r600_draw_vbo: Assertion `0' failed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=49140

--- Comment #5 from Marko <bgz.marko at gmail.com> 2012-05-02 22:42:10 PDT ---

>     vec3 p3 = vec3(p.x, p.y, p.z);
>     float t = dot(v, p3);
>     float t2 = gm1*t/v2 - g*p.w;
>     r = vec4( v*t2 + p3, g * (p.w - t));
> 

Vadim, this is really great and much appreciated. I went through the steps and
it all seems fine to me, also tested some examples and everything works great.
This also makes the advanced path in the shader work again without my quirky
workarounds in the while loop. I never really took much care with these kind of
optimisations, somehow blindly hoping that the compiler will automagically
optimise everything. I'll try to be more careful in advance. 

I'd like to put some comments in the code, like "optimised by Vadim" if that's
ok with you or perhaps should I use your real name? Thanks.

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