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

[movit] / lift_gamma_gain_effect.cpp

diff --git a/lift_gamma_gain_effect.cpp b/lift_gamma_gain_effect.cpp
index acfeb86875a8841aabbc91a8602186713371087e..19cef18ea25bac5ec897575284b04f79a39996d1 100644 (file)
--- a/lift_gamma_gain_effect.cpp
+++ b/lift_gamma_gain_effect.cpp
@@ -10,23 +10,21 @@
 LiftGammaGainEffect::LiftGammaGainEffect()
        : lift(0.0f, 0.0f, 0.0f),
          gamma(1.0f, 1.0f, 1.0f),
-         gain(1.0f, 1.0f, 1.0f),
-         saturation(1.0f)
+         gain(1.0f, 1.0f, 1.0f)
 {
        register_vec3("lift", (float *)&lift);
        register_vec3("gamma", (float *)&gamma);
        register_vec3("gain", (float *)&gain);
-       register_float("saturation", &saturation);
 }
 
-std::string LiftGammaGainEffect::output_glsl()
+std::string LiftGammaGainEffect::output_fragment_shader()
 {
-       return read_file("lift_gamma_gain_effect.glsl");
+       return read_file("lift_gamma_gain_effect.frag");
 }
 
-void LiftGammaGainEffect::set_uniforms(GLhandleARB glsl_program_num, const std::string &prefix)
+void LiftGammaGainEffect::set_uniforms(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num)
 {
-       Effect::set_uniforms(glsl_program_num, prefix);
+       Effect::set_uniforms(glsl_program_num, prefix, sampler_num);
 
        RGBTriplet gain_pow_inv_gamma(
                pow(gain.r, 1.0f / gamma.r),
@@ -38,5 +36,5 @@ void LiftGammaGainEffect::set_uniforms(GLhandleARB glsl_program_num, const std::
                2.2f / gamma.r,
                2.2f / gamma.g,
                2.2f / gamma.b);
-       set_uniform_vec3(glsl_program_num, prefix, "inv_gamma_22", (float *)&gain_pow_inv_gamma);
+       set_uniform_vec3(glsl_program_num, prefix, "inv_gamma_22", (float *)&inv_gamma_22);
 }