X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=vignette_effect.h;h=d7c66f63b0d4f2146972418169755e30f0810db7;hp=cadb58c456f342f1ba472e4fb4b19cb66efe8837;hb=9dcbd93164611ea111cc29519c18193d4f571ac1;hpb=96a1cff51a8b7dc45ebe725e0d0685eecce31331

diff --git a/vignette_effect.h b/vignette_effect.h
index cadb58c..d7c66f6 100644
--- a/vignette_effect.h
+++ b/vignette_effect.h
@@ -1,14 +1,19 @@
 #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_glsl();
+	std::string output_fragment_shader();
+
+	virtual bool needs_srgb_primaries() const { return false; }
 
-	void set_uniforms(GLuint glsl_program_num, const std::string &prefix);
+	void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
 
 private:
 	Point2D center;