Fix an issue where a (cached) shader program could be used from multiple

[movit] / lift_gamma_gain_effect.h

diff --git a/lift_gamma_gain_effect.h b/lift_gamma_gain_effect.h
index c93724d8b8fe2ae10150feb4cad8096ebfbce5dc..7967448d935105e3de78a19c9b5ab07ef23a5137 100644 (file)
--- a/lift_gamma_gain_effect.h
+++ b/lift_gamma_gain_effect.h
@@ -32,12 +32,14 @@ public:
        LiftGammaGainEffect();
        virtual std::string effect_type_id() const { return "LiftGammaGainEffect"; }
        virtual AlphaHandling alpha_handling() const { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
+       virtual bool one_to_one_sampling() const { return true; }
        std::string output_fragment_shader();
 
        void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
 
 private:
        RGBTriplet lift, gamma, gain;
+       RGBTriplet uniform_gain_pow_inv_gamma, uniform_inv_gamma22;
 };
 
 }  // namespace movit