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intel/nir: Lowering image loads and stores trashes all metadata

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This fixes the GL_ARB_fragment_shader_interlock piglit test on gen8
platforms where the lack of metadata dirtying was causing another pass
to accidentally delete a much needed loop.

https://bugs.freedesktop.org/show_bug.cgi?id=107745
Fixes: 37f7983bcc "intel/compiler: Do image load/store lowering..."
Jason Ekstrand <jason@jlekstrand.net> writes:
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
This commit is contained in:
Jason Ekstrand 2018-08-30 12:50:31 -05:00
parent d9cf4308ce
commit a0f18f2142
1 changed files with 2 additions and 2 deletions
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4
src/intel/compiler/brw_nir_lower_image_load_store.c
View file

@ -817,8 +817,8 @@ brw_nir_lower_image_load_store(nir_shader *shader,
}
}
nir_metadata_preserve(function->impl, nir_metadata_block_index |
nir_metadata_dominance);
if (progress)
nir_metadata_preserve(function->impl, nir_metadata_none);
}
return progress;