Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/glsl/nir/nir.h | 2 +-
src/glsl/nir/nir_lower_global_vars_to_local.c | 6 +++++-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
index 83e3153..31c0c27 100644
--- a/src/glsl/nir/nir.h
+++ b/src/glsl/nir/nir.h
@@ -1809,7 +1809,7 @@ void nir_split_var_copies(nir_shader *shader);
void nir_lower_var_copy_instr(nir_intrinsic_instr *copy, void *mem_ctx);
void nir_lower_var_copies(nir_shader *shader);
-void nir_lower_global_vars_to_local(nir_shader *shader);
+bool nir_lower_global_vars_to_local(nir_shader *shader);
void nir_lower_locals_to_regs(nir_shader *shader);
diff --git a/src/glsl/nir/nir_lower_global_vars_to_local.c
b/src/glsl/nir/nir_lower_global_vars_to_local.c
index 0cd8740..fab2366 100644
--- a/src/glsl/nir/nir_lower_global_vars_to_local.c
+++ b/src/glsl/nir/nir_lower_global_vars_to_local.c
@@ -73,10 +73,11 @@ mark_global_var_uses_block(nir_block *block, void
*void_state)
return true;
}
-void
+bool
nir_lower_global_vars_to_local(nir_shader *shader)
{
struct global_to_local_state state;
+ bool progress = false;
state.var_func_table = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
_mesa_key_pointer_equal);
@@ -99,8 +100,11 @@ nir_lower_global_vars_to_local(nir_shader *shader)
exec_node_remove(&var->node);
var->data.mode = nir_var_local;
exec_list_push_tail(&impl->locals, &var->node);
+ progress = true;
}
}
_mesa_hash_table_destroy(state.var_func_table, NULL);
+
+ return progress;
}
--
2.5.1
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