Try to adjust the mip levels to get box blur for free as needed.

[movit] / lift_gamma_gain_effect.h

diff --git a/lift_gamma_gain_effect.h b/lift_gamma_gain_effect.h
index 0c42319166046bb05c1bcb6d468e29bd5c7cbf64..6364eeb00b6c41b79f894b1da231cb44cdfac240 100644 (file)
--- a/lift_gamma_gain_effect.h
+++ b/lift_gamma_gain_effect.h
@@ -6,9 +6,9 @@
 class LiftGammaGainEffect : public Effect {
 public:
        LiftGammaGainEffect();
-       std::string output_glsl();
+       std::string output_fragment_shader();
 
-       void set_uniforms(GLuint glsl_program_num, const std::string &prefix);
+       void set_uniforms(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
 
 private:
        RGBTriplet lift, gamma, gain;