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intel/rt: Add a pass to lower the new ray-tracing intrinsics

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The new intrinsics we added for doing address calculations are all
things we fetch from the RT_DISPATCH_GLOBALS struct.  We could emit an
RT_DISPATCH_GLOBALS load at every point we want it and trust NIR to CSE
it for us but it's easier to use intermediate intrinsics.

Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7356>
This commit is contained in:
Jason Ekstrand
2020-08-06 12:59:49 -05:00
committed by Marge Bot
parent 6e50db4eda
commit c7660918d7
4 changed files with 136 additions and 0 deletions
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src/intel/compiler/meson.build
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@@ -85,8 +85,10 @@ libintel_compiler_files = files(
'brw_nir_lower_alpha_to_coverage.c',
'brw_nir_lower_image_load_store.c',
'brw_nir_lower_mem_access_bit_sizes.c',
'brw_nir_lower_rt_intrinsics.c',
'brw_nir_lower_scoped_barriers.c',
'brw_nir_opt_peephole_ffma.c',
'brw_nir_rt.h',
'brw_nir_rt_builder.h',
'brw_nir_tcs_workarounds.c',
'brw_nir_clamp_image_1d_2d_array_sizes.c',