From: Timothy Arceri <timothy.arceri@collabora.com>
Date: Sun, 13 Mar 2016 23:17:48 +0000 (+1100)
Subject: glsl: when lowering named interface set assigned flag
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d5c09d40b909cca43936b7f1a3ea16d6568d6203;p=mesa.git

glsl: when lowering named interface set assigned flag

This will be used when checking if xfb should attempt to capture
a varying.

Reviewed-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/src/compiler/glsl/lower_named_interface_blocks.cpp b/src/compiler/glsl/lower_named_interface_blocks.cpp
index 2c361997738..f780ecacbd2 100644
--- a/src/compiler/glsl/lower_named_interface_blocks.cpp
+++ b/src/compiler/glsl/lower_named_interface_blocks.cpp
@@ -217,12 +217,23 @@ ir_visitor_status
 flatten_named_interface_blocks_declarations::visit_leave(ir_assignment *ir)
 {
    ir_dereference_record *lhs_rec = ir->lhs->as_dereference_record();
+
+   ir_variable *lhs_var =  ir->lhs->variable_referenced();
+   if (lhs_var && lhs_var->get_interface_type()) {
+      lhs_var->data.assigned = 1;
+   }
+
    if (lhs_rec) {
       ir_rvalue *lhs_rec_tmp = lhs_rec;
       handle_rvalue(&lhs_rec_tmp);
       if (lhs_rec_tmp != lhs_rec) {
          ir->set_lhs(lhs_rec_tmp);
       }
+
+      ir_variable *lhs_var =  lhs_rec_tmp->variable_referenced();
+      if (lhs_var) {
+         lhs_var->data.assigned = 1;
+      }
    }
    return rvalue_visit(ir);
 }