X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=input.h;h=08f18da927c161b4ca5c778afee98d34f49b0768;hp=db1eae9b7b3fbaf681efc68cac3e8c93731edaf2;hb=6f1efa8348a90a393187c12d70fd10d81bbd2c99;hpb=1ca4785183b5af9a2a255bba0a28dfdae156470a diff --git a/input.h b/input.h index db1eae9..08f18da 100644 --- a/input.h +++ b/input.h @@ -1,15 +1,15 @@ -#ifndef _INPUT_H -#define _INPUT_H 1 +#ifndef _MOVIT_INPUT_H +#define _MOVIT_INPUT_H 1 #include #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 @@ -19,20 +19,21 @@ 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; - // 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; }; -#endif // !defined(_INPUT_H) +} // namespace movit + +#endif // !defined(_MOVIT_INPUT_H)