X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=vignette_effect.h;h=febdc447510f28ba6b1befb715882eacbb69fc1a;hp=82c648cf7b3f834ee876b8dbb89dac3150f4820f;hb=18fdebc534adc6b7a4c36b290b01d598bcb671bc;hpb=2ced784c6599cb0b21427481ee17f4c8f6afdada diff --git a/vignette_effect.h b/vignette_effect.h index 82c648c..febdc44 100644 --- a/vignette_effect.h +++ b/vignette_effect.h @@ -1,18 +1,28 @@ -#ifndef _VIGNETTE_EFFECT_H -#define _VIGNETTE_EFFECT_H 1 +#ifndef _MOVIT_VIGNETTE_EFFECT_H +#define _MOVIT_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 +#include #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, unsigned *sampler_num); + 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; float radius, inner_radius; }; -#endif // !defined(_VIGNETTE_EFFECT_H) +#endif // !defined(_MOVIT_VIGNETTE_EFFECT_H)