diff options
| -rw-r--r-- | src/glsl/opt_algebraic.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index 3da27e5d61c..ea3c386edf6 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -357,7 +357,6 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) break; case ir_binop_logic_and: - /* FINISHME: Also simplify (a && a) to (a). */ if (is_vec_one(op_const[0])) { return ir->operands[1]; } else if (is_vec_one(op_const[1])) { @@ -371,6 +370,9 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) */ return logic_not(logic_or(op_expr[0]->operands[0], op_expr[1]->operands[0])); + } else if (ir->operands[0]->equals(ir->operands[1])) { + /* (a && a) == a */ + return ir->operands[0]; } break; |