fold_node.hpp

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#ifndef OGLPLUS_TEXGEN_FOLD_NODE_HPP
#define OGLPLUS_TEXGEN_FOLD_NODE_HPP
 
#include "fallback_input.hpp"
#include "multi_input_node.hpp"
#include <map>
 
namespace eagine::oglp::texgen {
 
enum class fold_function {
    add,
    multiply,
    max,
    min
    // TODO
};
 
class fold_output : public multi_input_output {
private:
    friend class fold_node;
 
    fold_function _func;
 
public:
    fold_output(node_intf& parent, fold_function);
 
    fold_output(node_intf& parent)
      : fold_output(parent, fold_function::multiply) {}
 
    string_view type_name() override;
 
    slot_data_type value_type() override;
 
    std::ostream& definitions(std::ostream& out, compile_context& ctxt) override;
};
 
class fold_node : public multi_input_node {
private:
    fold_output _output;
 
public:
    fold_node();
 
    fold_output& single_output() override {
        return _output;
    }
 
    fold_node& set_function(fold_function func) {
        _output._func = func;
        return *this;
    }
};
 
} // namespace eagine::oglp::texgen
 
#if !OGLPLUS_LINK_LIBRARY || defined(OGLPLUS_IMPLEMENTING_LIBRARY)
#include <oglplus/texgen/fold_node.inl>
#endif
 
#endif // OGLPLUS_TEXGEN_FOLD_NODE_HPP