diff options
| -rw-r--r-- | src/glsl/opt_algebraic.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index 0d1f3fcf52c..98c852ae8ba 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -421,6 +421,18 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) break; } + case ir_unop_saturate: + if (op_expr[0] && op_expr[0]->operation == ir_binop_add) { + ir_expression *b2f_0 = op_expr[0]->operands[0]->as_expression(); + ir_expression *b2f_1 = op_expr[0]->operands[1]->as_expression(); + + if (b2f_0 && b2f_0->operation == ir_unop_b2f && + b2f_1 && b2f_1->operation == ir_unop_b2f) { + return b2f(logic_or(b2f_0->operands[0], b2f_1->operands[0])); + } + } + break; + case ir_binop_add: if (is_vec_zero(op_const[0])) return ir->operands[1]; |