[Nouveau] [Bug 111217] compilation of vdpau shaders crashes in handleCVT_CVT

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111217

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
OK, so ... the TGSI shader is semi-buggy. It takes an undefined value and uses
it throughout. nouveau kind of assumes that it's a function parameter (I guess
this is basically how TGSI functions were originally spec'd out). And I guess
we have some bugs around handling function parameters.

Simple solution: fix the tgsi.

Longer solution: think about the correct thing to do here.

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