X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=vignette_effect.h;h=a39470398a0dba9cda171f34cf4f96c2ec04411b;hp=b8e0f68c7f1c5cfe16bc82fef2d9c5abcb9fd83f;hb=a770ba7526844f395b08625480befad83b8fcadf;hpb=74cdd144cf35c403d9a8a3f35420f1eaa3d84cc4

diff --git a/vignette_effect.h b/vignette_effect.h
index b8e0f68..a394703 100644
--- a/vignette_effect.h
+++ b/vignette_effect.h
@@ -1,14 +1,21 @@
 #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();
+	virtual std::string effect_type_id() const { return "VignetteEffect"; }
 	std::string output_fragment_shader();
 
-	void set_uniforms(GLuint glsl_program_num, const std::string &prefix);
+	virtual bool needs_srgb_primaries() const { return false; }
+	virtual AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
+
+	void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num);
 
 private:
 	Point2D center;