[Bug 99780] Flickering artifacts in radeonsi driver with divergent texture reads.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99780

--- Comment #7 from Matias N. Goldberg <dark_sylinc at yahoo.com.ar> ---
Analyzing the ASM it's clear what's happening: the 3.9.1 version branches
everything.
The 4.0 version branches the calculations, then at the end uses readfirstlane
(this is WRONG) and finally performs one sample.

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