Support different chroma positioning for Cb and Cr. The test is slightly shaky, so...

[movit] / vignette_effect.cpp

diff --git a/vignette_effect.cpp b/vignette_effect.cpp
index 4ac564a1f6a720219afe4cd11fd9d013b0191dce..f75b4ae762f47f2db0e6adf960a229f74d50cfc9 100644 (file)
--- a/vignette_effect.cpp
+++ b/vignette_effect.cpp
@@ -23,7 +23,7 @@ void VignetteEffect::set_gl_state(GLuint glsl_program_num, const std::string &pr
 {
        Effect::set_gl_state(glsl_program_num, prefix, sampler_num);
 
-       set_uniform_float(glsl_program_num, prefix, "inv_radius", 1.0f / radius);
+       set_uniform_float(glsl_program_num, prefix, "pihalf_div_radius", 0.5 * M_PI / radius);
 
        Point2D aspect(16.0f / 9.0f, 1.0f);  // FIXME
        set_uniform_vec2(glsl_program_num, prefix, "aspect_correction", (float *)&aspect);