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nouveau: Only call nir_lower_io on shader_in/out

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Gallium drivers should never see nir_var_uniform because gallium lowers
regular uniforms to a UBO.  No GL driver should ever see either
nir_var_mem_shared because that's lowered in GLSL IR.

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5418>
This commit is contained in:
Jason Ekstrand
2020-06-10 17:50:37 -05:00
committed by Marge Bot
parent 4f521e596a
commit 786325fdb0
1 changed files with 3 additions and 1 deletions
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src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
+3 -1
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@@ -3129,7 +3129,9 @@ Converter::run()
.ballot_bit_size = 32,
};
NIR_PASS_V(nir, nir_lower_io, nir_var_all, type_size, (nir_lower_io_options)0);
NIR_PASS_V(nir, nir_lower_io,
(nir_variable_mode)(nir_var_shader_in | nir_var_shader_out),
type_size, (nir_lower_io_options)0);
NIR_PASS_V(nir, nir_lower_subgroups, &subgroup_options);
NIR_PASS_V(nir, nir_lower_regs_to_ssa);
NIR_PASS_V(nir, nir_lower_load_const_to_scalar);