posterize_node.hpp

Go to the documentation of this file.

#ifndef OGLPLUS_TEXGEN_POSTERIZE_NODE_HPP
#define OGLPLUS_TEXGEN_POSTERIZE_NODE_HPP
 
#include "base_node.hpp"
#include "fallback_input.hpp"
 
namespace eagine::oglp::texgen {
 
class posterize_output : public base_output {
public:
    input_with_const_default<float[4]> input;
    input_with_const_default<float[4]> levels;
 
    posterize_output(node_intf& parent);
 
    string_view type_name() override;
 
    slot_data_type value_type() override;
 
    std::ostream& definitions(std::ostream& out, compile_context& ctxt) override;
};
 
class posterize_node
  : public binary_single_output_node<
      posterize_output,
      decltype(posterize_output::input),
      &posterize_output::input,
      decltype(posterize_output::levels),
      &posterize_output::levels> {
public:
    posterize_node& set_levels(float r, float g, float b, float a) {
        _output.levels.fallback().set(r, g, b, a);
        return *this;
    }
};
 
} // namespace eagine::oglp::texgen
 
#if !OGLPLUS_LINK_LIBRARY || defined(OGLPLUS_IMPLEMENTING_LIBRARY)
#include <oglplus/texgen/posterize_node.inl>
#endif
 
#endif // OGLPLUS_TEXGEN_POSTERIZE_NODE_HPP