X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=input.h;h=6c9fca1a4050b8590ef4698c5863c90534029f3f;hp=da5b1fb287d599b204c32540835322677678b122;hb=1547d2758dbf397602f9805e23620c1d0211f33d;hpb=ac4fc36aa70ffefb6b9632dc0abea5cbbce5387b diff --git a/input.h b/input.h index da5b1fb..6c9fca1 100644 --- a/input.h +++ b/input.h @@ -6,10 +6,10 @@ #include "effect.h" #include "image_format.h" +namespace movit { + // An input is a degenerate case of an effect; it represents the picture data -// that comes from the user. As such, it has zero “inputs” itself. Also, it -// has an extra operation called finalize(), which runs when the effect chain -// is finalized. +// that comes from the user. As such, it has zero “inputs” itself. // // An input is, like any other effect, required to be able to output a GLSL // fragment giving a RGBA value (although that GLSL fragment will have zero @@ -17,22 +17,23 @@ // including possibly uploading the texture if so required. class Input : public Effect { public: - virtual unsigned num_inputs() const { return 0; } - - // Create the texture itself. We cannot do this in the constructor, - // because we don't necessarily know all the settings (sRGB texture, - // mipmap generation) at that point. - virtual void finalize() = 0; + unsigned num_inputs() const override { return 0; } // Whether this input can deliver linear gamma directly if it's // asked to. (If so, set the parameter “output_linear_gamma” // to activate it.) virtual bool can_output_linear_gamma() const = 0; + // Whether this input can supply mipmaps if asked to (by setting + // the "needs_mipmaps" integer parameter set to 1). + virtual bool can_supply_mipmaps() const { return true; } + virtual unsigned get_width() const = 0; virtual unsigned get_height() const = 0; virtual Colorspace get_color_space() const = 0; virtual GammaCurve get_gamma_curve() const = 0; }; +} // namespace movit + #endif // !defined(_MOVIT_INPUT_H)