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gallium: add PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT
authorMarek Olšák <marek.olsak@amd.com>
Tue, 20 Oct 2015 16:26:02 +0000 (18:26 +0200)
committerMarek Olšák <marek.olsak@amd.com>
Tue, 20 Oct 2015 16:27:11 +0000 (18:27 +0200)
commit814f31457e9ae83d4f1e39236f704721b279b73d
treed0677bba9f0815050c77e9edbaae8844bcac6d1b
parent921feb8782bdc3c459922858bee6d55919467436
gallium: add PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT

This avoids a serious r600g bug leading to a GPU hang.
The chances this bug will get fixed are pretty low now.

I deeply regret listening to others and not pushing this patch, leaving
other users with a GPU-crashing driver. Yes, it should be fixed
in the compiler and it's ugly, but users couldn't care less about that.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=86720

Cc: 11.0 10.6 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Brian Paul <brianp@vmware.com>
16 files changed:
src/gallium/auxiliary/gallivm/lp_bld_limits.h
src/gallium/auxiliary/tgsi/tgsi_exec.h
src/gallium/docs/source/screen.rst
src/gallium/drivers/freedreno/freedreno_screen.c
src/gallium/drivers/i915/i915_screen.c
src/gallium/drivers/ilo/ilo_screen.c
src/gallium/drivers/nouveau/nv30/nv30_screen.c
src/gallium/drivers/nouveau/nv50/nv50_screen.c
src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
src/gallium/drivers/r300/r300_screen.c
src/gallium/drivers/r600/r600_pipe.c
src/gallium/drivers/radeonsi/si_pipe.c
src/gallium/drivers/svga/svga_screen.c
src/gallium/drivers/vc4/vc4_screen.c
src/gallium/include/pipe/p_defines.h
src/mesa/state_tracker/st_extensions.c