]> git.sesse.net Git - movit/blobdiff - vignette_effect.cpp
Split out some private utilities into effect_util.cpp, so we do not need to include...
[movit] / vignette_effect.cpp
index b3a6c04ed6678b2e167c39aeaacd6319143256ba..ac5197781cc4fc17f95ad2f5211df6021c0bc700 100644 (file)
@@ -1,9 +1,7 @@
-#define GL_GLEXT_PROTOTYPES 1
-
+#include <GL/glew.h>
 #include <math.h>
-#include <GL/gl.h>
-#include <GL/glext.h>
 
+#include "effect_util.h"
 #include "vignette_effect.h"
 #include "util.h"
 
@@ -26,7 +24,7 @@ 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);