+public:
+ std::string effect_type_id() const override { return "GammaCompressionEffect"; }
+ std::string output_fragment_shader() override;
+ void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override;
+
+ bool needs_srgb_primaries() const override { return false; }
+ bool strong_one_to_one_sampling() const override { return true; }