X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=vignette_effect.h;h=d7c66f63b0d4f2146972418169755e30f0810db7;hp=6caff3616cdaff6d732e34107edc04f0e700d94f;hb=fe785e6f62ab58ef05972850d9275005794505b7;hpb=f4516cf70e80bf1153759919c8b2ab1cee37d9ec

diff --git a/vignette_effect.h b/vignette_effect.h
index 6caff36..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(GLhandleARB 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;