nir/lower_io: Make variable location assignment a manual operation

Previously, we just assigned variable locations in nir_lower_io.  Now, we
force the user to assign variable locations for us.  This gives the backend
a bit more control over where variables are placed.

v2: Rename from _packed to _scalar

Reviewed-by: Connor Abbott <[email protected]>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
index 6b42df953da..a2a03b22707 100644
--- a/src/glsl/nir/nir.h
+++ b/src/glsl/nir/nir.h
@@ -1577,6 +1577,9 @@ void nir_lower_global_vars_to_local(nir_shader *shader);
 
 void nir_lower_locals_to_regs(nir_shader *shader);
 
+void nir_assign_var_locations_scalar(struct exec_list *var_list,
+                                     unsigned *size);
+
 void nir_lower_io(nir_shader *shader);
 
 void nir_lower_vars_to_ssa(nir_shader *shader);