X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=flat_input.h;h=4728fb0805d26f1a7cb1814daf440a944755d7ad;hp=cf6b0b9264d878b0e90378c00d61cb5369fec741;hb=ac4fc36aa70ffefb6b9632dc0abea5cbbce5387b;hpb=1ca4785183b5af9a2a255bba0a28dfdae156470a diff --git a/flat_input.h b/flat_input.h index cf6b0b9..4728fb0 100644 --- a/flat_input.h +++ b/flat_input.h @@ -1,6 +1,13 @@ -#ifndef _FLAT_INPUT_H -#define _FLAT_INPUT_H 1 +#ifndef _MOVIT_FLAT_INPUT_H +#define _MOVIT_FLAT_INPUT_H 1 +#include +#include +#include + +#include "effect.h" +#include "image_format.h" +#include "init.h" #include "input.h" // A FlatInput is the normal, “classic” case of an input, where everything @@ -17,12 +24,28 @@ public: // mipmap generation) at that point. void finalize(); - // TODO: Check that we actually have the required extension. virtual bool can_output_linear_gamma() const { - return (type == GL_UNSIGNED_BYTE && + return (movit_srgb_textures_supported && + type == GL_UNSIGNED_BYTE && (image_format.gamma_curve == GAMMA_LINEAR || image_format.gamma_curve == GAMMA_sRGB)); } + virtual AlphaHandling alpha_handling() const { + switch (pixel_format) { + case FORMAT_RGBA_PREMULTIPLIED_ALPHA: + case FORMAT_BGRA_PREMULTIPLIED_ALPHA: + return INPUT_AND_OUTPUT_PREMULTIPLIED_ALPHA; + case FORMAT_RGBA_POSTMULTIPLIED_ALPHA: + case FORMAT_BGRA_POSTMULTIPLIED_ALPHA: + return OUTPUT_POSTMULTIPLIED_ALPHA; + case FORMAT_RGB: + case FORMAT_BGR: + case FORMAT_GRAYSCALE: + return OUTPUT_BLANK_ALPHA; + default: + assert(false); + } + } std::string output_fragment_shader(); @@ -73,4 +96,4 @@ private: const void *pixel_data; }; -#endif // !defined(_FLAT_INPUT_H) +#endif // !defined(_MOVIT_FLAT_INPUT_H)