diff options
| -rw-r--r-- | src/glsl/opt_algebraic.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index 1e715817f76..953b03c2943 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -520,6 +520,10 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) if (is_vec_one(op_const[0])) return op_const[0]; + /* x^1 == x */ + if (is_vec_one(op_const[1])) + return ir->operands[0]; + /* pow(2,x) == exp2(x) */ if (is_vec_two(op_const[0])) return expr(ir_unop_exp2, ir->operands[1]); |