X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_compression_effect.h;h=08fa1940adfdf58e6b37dcd35780361fd299a904;hp=235850a9d75550d7adb5f144e977cc6ebfc8ebd4;hb=6f1efa8348a90a393187c12d70fd10d81bbd2c99;hpb=93377952636717f15fd50961f6d3500861596cdc diff --git a/gamma_compression_effect.h b/gamma_compression_effect.h index 235850a..08fa194 100644 --- a/gamma_compression_effect.h +++ b/gamma_compression_effect.h @@ -9,12 +9,13 @@ // Note that Movit's internal formats generally do not have enough accuracy // for 12-bit input or output. +#include #include #include "effect.h" #include "image_format.h" -#define COMPRESSION_CURVE_SIZE 4096 +namespace movit { class GammaCompressionEffect : public Effect { private: @@ -25,8 +26,10 @@ 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; } + virtual bool one_to_one_sampling() const { return true; } // Actually needs postmultiplied input as well as outputting it. // EffectChain will take care of that. @@ -34,7 +37,9 @@ public: private: GammaCurve destination_curve; - float compression_curve[COMPRESSION_CURVE_SIZE]; + float uniform_linear_scale, uniform_c0, uniform_c1, uniform_c2, uniform_c3, uniform_c4, uniform_beta; }; +} // namespace movit + #endif // !defined(_MOVIT_GAMMA_COMPRESSION_EFFECT_H)