class MultiplyEffect : public Effect {
public:
MultiplyEffect();
- virtual std::string effect_type_id() const { return "MultiplyEffect"; }
- std::string output_fragment_shader();
+ std::string effect_type_id() const override { return "MultiplyEffect"; }
+ std::string output_fragment_shader() override;
+ bool strong_one_to_one_sampling() const override { return true; }
private:
RGBATuple factor;