X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_compression_effect.h;h=03cbb24133417da2a3da336d60b39edc04b4e781;hp=fdc6eee94aa96dc74448e5a2ef392f74a5e59937;hb=0490917aca6b8e6057c04c8becc820a8e849a801;hpb=a94fbb7ebe6bd57c0c0a7f4174d97b95e3147519 diff --git a/gamma_compression_effect.h b/gamma_compression_effect.h index fdc6eee..03cbb24 100644 --- a/gamma_compression_effect.h +++ b/gamma_compression_effect.h @@ -1,18 +1,28 @@ #ifndef _GAMMA_COMPRESSION_EFFECT_H #define _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. + #include "effect.h" #include "effect_chain.h" +#define COMPRESSION_CURVE_SIZE 4096 + class GammaCompressionEffect : public Effect { public: GammaCompressionEffect(); - std::string output_glsl(); + virtual std::string effect_type_id() const { return "GammaCompressionEffect"; } + std::string output_fragment_shader(); - virtual bool needs_srgb_primaries() { return false; } + virtual bool needs_srgb_primaries() const { return false; } private: GammaCurve destination_curve; + float compression_curve[COMPRESSION_CURVE_SIZE]; }; #endif // !defined(_GAMMA_COMPRESSION_EFFECT_H)