glsl: Modify array_sizing_visitor to handle unnamed interface blocks.

We were already setting the array size of unsized arrays that appeared
inside unnamed interface blocks, but we weren't updating
ir_variable::interface_type to reflect the new array size, causing
bogus link errors.

This patch causes array_sizing_visitor to keep track of all the
unnamed interface types it sees, and the ir_variables corresponding to
each one.  After the visitor runs, a new function,
fixup_unnamed_interface_types(), adjusts each unnamed interface type
to correctly correspond with the array sizes in the ir_variables.

Fixes piglit tests:
- spec/glsl-1.50/execution/unsized-in-unnamed-interface-block-gs
- spec/glsl-1.50/execution/unsized-in-unnamed-interface-block-multiple

Reviewed-by: Jordan Justen <[email protected]>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index 2a0afada1ea..0f8e9a15d96 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -406,8 +406,8 @@ public:
 
    /**
     * Change this->interface_type on a variable that previously had a
-    * different interface_type.  This is used during linking to set the size
-    * of arrays in interface blocks.
+    * different, but compatible, interface_type.  This is used during linking
+    * to set the size of arrays in interface blocks.
     */
    void change_interface_type(const struct glsl_type *type)
    {