glsl: Keep track of centroid/interpolation mode for interface block members.

Fixes piglit tests:
- interface-block-interpolation-{array,named,unnamed}
- glsl-1.50-interface-block-centroid {array,named,unnamed}

Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/glsl/lower_named_interface_blocks.cpp b/src/glsl/lower_named_interface_blocks.cpp
index 726ffdc0da8..87ed60b971e 100644
--- a/src/glsl/lower_named_interface_blocks.cpp
+++ b/src/glsl/lower_named_interface_blocks.cpp
@@ -152,6 +152,9 @@ flatten_named_interface_blocks_declarations::run(exec_list *instructions)
             }
             new_var->location = iface_t->fields.structure[i].location;
             new_var->explicit_location = (new_var->location >= 0);
+            new_var->interpolation =
+               iface_t->fields.structure[i].interpolation;
+            new_var->centroid = iface_t->fields.structure[i].centroid;
 
             new_var->init_interface_type(iface_t);
             hash_table_insert(interface_namespace, new_var,