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nir: Add pass to scalarize read_invocation/read_first_invocation

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i965 will want these to be scalar operations.

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Matt Turner
2017-07-05 21:57:44 -07:00
parent 43ef75b394
commit 3e7b8f6cd4
3 changed files with 114 additions and 1 deletions
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src/compiler/nir/nir.h
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@@ -2432,7 +2432,7 @@ bool nir_move_vec_src_uses_to_dest(nir_shader *shader);
bool nir_lower_vec_to_movs(nir_shader *shader);
bool nir_lower_alu_to_scalar(nir_shader *shader);
bool nir_lower_load_const_to_scalar(nir_shader *shader);
bool nir_lower_read_invocation_to_scalar(nir_shader *shader);
bool nir_lower_phis_to_scalar(nir_shader *shader);
void nir_lower_io_to_scalar(nir_shader *shader, nir_variable_mode mask);