X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=lift_gamma_gain_effect.h;h=6e2ea19a4d54231620d6eb6039e67571a98e5c16;hp=c93724d8b8fe2ae10150feb4cad8096ebfbce5dc;hb=eff011224abc5dc81f801f3ea44572287a55bcac;hpb=ddf71f853e64c3912eed4ab98bfe7503826ce8e1

diff --git a/lift_gamma_gain_effect.h b/lift_gamma_gain_effect.h
index c93724d..6e2ea19 100644
--- a/lift_gamma_gain_effect.h
+++ b/lift_gamma_gain_effect.h
@@ -30,14 +30,16 @@ namespace movit {
 class LiftGammaGainEffect : public Effect {
 public:
 	LiftGammaGainEffect();
-	virtual std::string effect_type_id() const { return "LiftGammaGainEffect"; }
-	virtual AlphaHandling alpha_handling() const { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
-	std::string output_fragment_shader();
+	std::string effect_type_id() const override { return "LiftGammaGainEffect"; }
+	AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
+	bool strong_one_to_one_sampling() const override { return true; }
+	std::string output_fragment_shader() override;
 
-	void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
+	void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override;
 
 private:
 	RGBTriplet lift, gamma, gain;
+	RGBTriplet uniform_gain_pow_inv_gamma, uniform_inv_gamma22;
 };
 
 }  // namespace movit