diff options
| -rw-r--r-- | src/glsl/opt_algebraic.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index 9b0596cd71a..37b2f02c6e4 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -228,6 +228,16 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) } break; + case ir_unop_neg: + if (op_expr[0] == NULL) + break; + + if (op_expr[0]->operation == ir_unop_neg) { + this->progress = true; + return swizzle_if_required(ir, op_expr[0]->operands[0]); + } + break; + case ir_unop_logic_not: { enum ir_expression_operation new_op = ir_unop_logic_not; |