diff options
| -rw-r--r-- | src/glsl/opt_algebraic.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index 28f95a44c7f..778638cf261 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -570,6 +570,8 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) return ir->operands[0]; } else if (is_vec_zero(op_const[0])) { return mul(ir->operands[1], ir->operands[2]); + } else if (is_vec_zero(op_const[1])) { + return add(ir->operands[0], neg(mul(ir->operands[0], ir->operands[2]))); } break; |