Since the backing storage for these is shared we cannot ensure that the
value won't change by writes from other threads.
---
src/glsl/opt_copy_propagation.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/glsl/opt_copy_propagation.cpp
b/src/glsl/opt_copy_propagation.cpp
index 806027b..2e7bd73 100644
--- a/src/glsl/opt_copy_propagation.cpp
+++ b/src/glsl/opt_copy_propagation.cpp
@@ -330,7 +330,7 @@ ir_copy_propagation_visitor::add_copy(ir_assignment *ir)
*/
ir->condition = new(ralloc_parent(ir)) ir_constant(false);
this->progress = true;
- } else {
+ } else if (lhs_var->data.mode != ir_var_buffer) {
entry = new(this->acp) acp_entry(lhs_var, rhs_var);
this->acp->push_tail(entry);
}
--
1.9.1
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