On Thu, Oct 24, 2013 at 2:19 AM, Matt Turner <matts...@gmail.com> wrote: > No shader-db changes, but seems like a good idea. > --- > src/glsl/opt_algebraic.cpp | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp > index 3bf0689..1ce9e2d 100644 > --- a/src/glsl/opt_algebraic.cpp > +++ b/src/glsl/opt_algebraic.cpp > @@ -401,6 +401,15 @@ ir_algebraic_visitor::handle_expression(ir_expression > *ir) > } else if (is_vec_zero(op_const[0]) || is_vec_zero(op_const[1])) { > this->progress = true; > return ir_constant::zero(mem_ctx, ir->type); > + } else if (op_expr[0] && op_expr[0]->operation == ir_unop_logic_not && > + op_expr[1] && op_expr[1]->operation == ir_unop_logic_not) { > + /* De Morgan's Law: > + * (not A) and (not B) === not (A or B) > + */ > + temp = logic_not(logic_or(op_expr[0]->operands[0], > + op_expr[1]->operands[0])); > + return swizzle_if_required(ir, temp); > + this->progress = true;
Same here, returning before updating progress? _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev