X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=vignette_effect.cpp;h=f75b4ae762f47f2db0e6adf960a229f74d50cfc9;hp=4ac564a1f6a720219afe4cd11fd9d013b0191dce;hb=9e62fbe2ac764479c449472d8bda52ac4df0de91;hpb=ab636361e865c389fe60584562372ec39ac4c511

diff --git a/vignette_effect.cpp b/vignette_effect.cpp
index 4ac564a..f75b4ae 100644
--- 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);