X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_compression_effect.h;h=ee3985f9fa03c807b2928dac5176e9b0baf58eff;hp=46ac80e7d6b12e6b2b217dcb942d125fbe9788f3;hb=refs%2Fheads%2Fepoxy;hpb=5d4c0425579de66b3e2dd7d0095e890278f8efcf diff --git a/gamma_compression_effect.h b/gamma_compression_effect.h index 46ac80e..ee3985f 100644 --- a/gamma_compression_effect.h +++ b/gamma_compression_effect.h @@ -1,16 +1,21 @@ -#ifndef _GAMMA_COMPRESSION_EFFECT_H -#define _GAMMA_COMPRESSION_EFFECT_H 1 +#ifndef _MOVIT_GAMMA_COMPRESSION_EFFECT_H +#define _MOVIT_GAMMA_COMPRESSION_EFFECT_H 1 // An effect to convert linear light to the given gamma curve, // typically inserted by the framework automatically at the end // 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 COMPRESSION_CURVE_SIZE 4096 +namespace movit { class GammaCompressionEffect : public Effect { private: @@ -21,6 +26,7 @@ private: public: virtual std::string effect_type_id() const { return "GammaCompressionEffect"; } std::string output_fragment_shader(); + virtual void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num); virtual bool needs_srgb_primaries() const { return false; } @@ -30,7 +36,8 @@ public: private: GammaCurve destination_curve; - float compression_curve[COMPRESSION_CURVE_SIZE]; }; -#endif // !defined(_GAMMA_COMPRESSION_EFFECT_H) +} // namespace movit + +#endif // !defined(_MOVIT_GAMMA_COMPRESSION_EFFECT_H)