[Bug 65723] Xonotic glsl 1.30 broken due to lack of derivatives support in radeonsi

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65723

Michel Dänzer <michel at daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Xonotic glsl 1.30 broken    |Xonotic glsl 1.30 broken
                   |                            |due to lack of derivatives
                   |                            |support in radeonsi

--- Comment #4 from Michel Dänzer <michel at daenzer.net> ---
Looks like Xonotic uses derivatives with GLSL 1.30, which radeonsi doesn't
implement yet, so it falls back to dummy shaders:

warning: failed to translate tgsi opcode DDX to LLVM
Failed to translate shader from TGSI to LLVM
EE ../../../../../src/gallium/drivers/radeonsi/si_state.c:1951 si_shader_select
- Failed to build shader variant (type=1) -22


Maybe you can work around this by disabling / lowering some settings in
Xonotic, or you could try the WIP patches from
http://lists.freedesktop.org/archives/mesa-dev/2013-June/040406.html and
http://lists.freedesktop.org/archives/mesa-dev/2013-June/040412.html .

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