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-rw-r--r--src/glsl/ir.cpp16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/glsl/ir.cpp b/src/glsl/ir.cpp
index 2c45b9edc0f..4c228437d15 100644
--- a/src/glsl/ir.cpp
+++ b/src/glsl/ir.cpp
@@ -662,6 +662,22 @@ ir_expression::get_operator(const char *str)
return (ir_expression_operation) -1;
}
+ir_variable *
+ir_expression::variable_referenced() const
+{
+ switch (operation) {
+ case ir_binop_vector_extract:
+ case ir_triop_vector_insert:
+ /* We get these for things like a[0] where a is a vector type. In these
+ * cases we want variable_referenced() to return the actual vector
+ * variable this is wrapping.
+ */
+ return operands[0]->variable_referenced();
+ default:
+ return ir_rvalue::variable_referenced();
+ }
+}
+
ir_constant::ir_constant()
: ir_rvalue(ir_type_constant)
{