[Mesa-dev] [Bug 99817] [softpipe] piglit glsl-fs-tan-1 regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99817

--- Comment #1 from Francisco Jerez <currojerez at riseup.net> ---
This seems to be caused by the atan() built-in implementation now using
ir_triop_csel instead of control flow, which is translated incorrectly by the
mesa state tracker on drivers with native integer support when one of the
arguments is floating point and has a source modifier enabled, because
glsl_to_tgsi emits an integer UCMP instruction in that case, which has
different (integer) modifier semantics.

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