[Bug 31013] [r300g][glsl] Textures are black in Xonotic with offset mapping - r300 FP: Compiler Error: r300_fragprog_emit.c::begin_tex(): Too many texture indirections

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=31013

--- Comment #13 from Tom Stellard <tstellar at gmail.com> 2010-10-23 13:01:28 PDT ---
(In reply to comment #12)
> 
> I though you could have up to 4 indirections in addition to the input, but it's
> been a while since I looked at 3xx.  If the shader works on the same hw using
> the proprietary driver, it would seem to indicate that was the case (barring
> some other bug).

I looked at through the docs again, and I'm pretty sure you are right about
this.  I think we need to start using the {ALU,TEXT}_OFFSET fields of
US_CODE_OFFSET, to give us the input + 4 indirections.  I'll write a patch for
this.

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