diff options
| author | Jason Ekstrand <jason.ekstrand@intel.com> | 2016-03-17 15:20:20 -0700 |
|---|---|---|
| committer | Jason Ekstrand <jason.ekstrand@intel.com> | 2016-03-23 16:28:07 -0700 |
| commit | a984e44abde74bd17ae2b0ef0762da3f63d84483 (patch) | |
| tree | d8bad9ac0017b41911cccce0d6f815d7e2c3ada7 | |
| parent | 028d6ecfe0feecd1e543322d2953bef810f13d23 (diff) | |
nir/glsl: Propagate invariant into NIR alu ops
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
| -rw-r--r-- | src/compiler/nir/glsl_to_nir.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/compiler/nir/glsl_to_nir.cpp b/src/compiler/nir/glsl_to_nir.cpp index ee9c05308d..f6e1a17a91 100644 --- a/src/compiler/nir/glsl_to_nir.cpp +++ b/src/compiler/nir/glsl_to_nir.cpp @@ -1051,6 +1051,9 @@ nir_visitor::visit(ir_assignment *ir) { unsigned num_components = ir->lhs->type->vector_elements; + b.exact = ir->lhs->variable_referenced()->data.invariant || + ir->lhs->variable_referenced()->data.precise; + if ((ir->rhs->as_dereference() || ir->rhs->as_constant()) && (ir->write_mask == (1 << num_components) - 1 || ir->write_mask == 0)) { /* We're doing a plain-as-can-be copy, so emit a copy_var */ |