Let SDL convert the pixels instead of doing it ourselves.

[movit] / vignette_effect.h

diff --git a/vignette_effect.h b/vignette_effect.h
index 1d75f7e63b11432677a6944e9d2bd2f89ccb296e..c9a08bfd8f85091ec711175b274de77cb9b09359 100644 (file)
--- a/vignette_effect.h
+++ b/vignette_effect.h
@@ -1,15 +1,17 @@
 #ifndef _VIGNETTE_EFFECT_H
 #define _VIGNETTE_EFFECT_H 1
 
+// A circular vignette, falling off as cos² of the distance from the center
+// (the classic formula for approximating a real lens).
+
 #include "effect.h"
 
 class VignetteEffect : public Effect {
 public:
        VignetteEffect();
-       std::string output_vertex_shader();
        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:
        Point2D center;