Jason Ekstrand <ja...@jlekstrand.net> writes:
> ---
> src/compiler/nir/glsl_to_nir.cpp | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/src/compiler/nir/glsl_to_nir.cpp
> b/src/compiler/nir/glsl_to_nir.cpp
> index 613b138..f592c57 100644
> --- a/src/compiler/nir/glsl_to_nir.cpp
> +++ b/src/compiler/nir/glsl_to_nir.cpp
> @@ -1048,6 +1048,8 @@ nir_visitor::visit(ir_assignment *ir)
> {
> unsigned num_components = ir->lhs->type->vector_elements;
>
> + b.exact = ir->lhs->variable_referenced()->data.invariant;
> +
Wouldn't it make sense to set the exact flag for precise as well?
With that fixed:
Reviewed-by: Francisco Jerez <curroje...@riseup.net>
> 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 */
> --
> 2.5.0.400.gff86faf
>
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