X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_expansion_effect.h;h=81f42d137392cf7e0c08ba557f3a3d090f708f7f;hp=043731baf15ef48c8812d1ec6fb6e5234a5b87a3;hb=a5f32397f9c23fa8644fe195865d6c36685cf866;hpb=38dfb378427d1c97113ad7644c39f7695be84c49 diff --git a/gamma_expansion_effect.h b/gamma_expansion_effect.h index 043731b..81f42d1 100644 --- a/gamma_expansion_effect.h +++ b/gamma_expansion_effect.h @@ -1,16 +1,21 @@ -#ifndef _GAMMA_EXPANSION_EFFECT_H -#define _GAMMA_EXPANSION_EFFECT_H 1 +#ifndef _MOVIT_GAMMA_EXPANSION_EFFECT_H +#define _MOVIT_GAMMA_EXPANSION_EFFECT_H 1 // An effect to convert the given gamma curve into linear light, // typically inserted by the framework automatically at the beginning // of the processing chain. // -// Currently supports sRGB and Rec. 601/709. +// Currently supports sRGB, Rec. 601/709 and Rec. 2020 (10- and 12-bit). +// Note that Movit's internal formats generally do not have enough accuracy +// for 12-bit input or output. + +#include +#include #include "effect.h" -#include "effect_chain.h" +#include "image_format.h" -#define EXPANSION_CURVE_SIZE 256 +namespace movit { class GammaExpansionEffect : public Effect { private: @@ -21,6 +26,7 @@ private: public: virtual std::string effect_type_id() const { return "GammaExpansionEffect"; } std::string output_fragment_shader(); + virtual void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num); virtual bool needs_linear_light() const { return false; } virtual bool needs_srgb_primaries() const { return false; } @@ -31,7 +37,8 @@ public: private: GammaCurve source_curve; - float expansion_curve[EXPANSION_CURVE_SIZE]; }; -#endif // !defined(_GAMMA_EXPANSION_EFFECT_H) +} // namespace movit + +#endif // !defined(_MOVIT_GAMMA_EXPANSION_EFFECT_H)