// (saturation=1). Extrapolating that curve further (ie., saturation > 1)
// gives us increased saturation if so desired.
+#include <string>
+
#include "effect.h"
class SaturationEffect : public Effect {
public:
SaturationEffect();
virtual std::string effect_type_id() const { return "SaturationEffect"; }
+ virtual AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
std::string output_fragment_shader();
private: