X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=gamma_expansion_effect.h;h=9565a3b0e4d5d0654bb1d6f197067e4a6d88af3e;hp=92f05171cd4d84ff08ad802cbef89138401c5d48;hb=eff011224abc5dc81f801f3ea44572287a55bcac;hpb=9651a4eaae012cdc49c1aa38197861e04f62e91e diff --git a/gamma_expansion_effect.h b/gamma_expansion_effect.h index 92f0517..9565a3b 100644 --- a/gamma_expansion_effect.h +++ b/gamma_expansion_effect.h @@ -9,12 +9,14 @@ // Note that Movit's internal formats generally do not have enough accuracy // for 12-bit input or output. -#include +#include #include #include "effect.h" #include "image_format.h" +namespace movit { + class GammaExpansionEffect : public Effect { private: // Should not be instantiated by end users. @@ -22,19 +24,23 @@ private: friend class EffectChain; 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); + std::string effect_type_id() const override { return "GammaExpansionEffect"; } + std::string output_fragment_shader() override; + void set_gl_state(GLuint glsl_program_num, const std::string &prefix, unsigned *sampler_num) override; - virtual bool needs_linear_light() const { return false; } - virtual bool needs_srgb_primaries() const { return false; } + bool needs_linear_light() const override { return false; } + bool needs_srgb_primaries() const override { return false; } + bool strong_one_to_one_sampling() const override { return true; } // Actually processes its input in a nonlinear fashion, // but does not touch alpha, and we are a special case anyway. - virtual AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; } + AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; } private: GammaCurve source_curve; + float uniform_linear_scale, uniform_c[5], uniform_beta; }; +} // namespace movit + #endif // !defined(_MOVIT_GAMMA_EXPANSION_EFFECT_H)