X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture2d.h;h=7504f321d218543ea151700ed819cdd0eb9cb96d;hb=cabb833e9b4ca10b9f350f3be6c351dce6a66822;hp=485867dd14f48e3a7dce09b7a4d9600856f152a9;hpb=759612fd66034135c13134ffb8199514204b9684;p=libs%2Fgl.git diff --git a/source/texture2d.h b/source/texture2d.h index 485867dd..7504f321 100644 --- a/source/texture2d.h +++ b/source/texture2d.h @@ -5,6 +5,7 @@ #include #include "datatype.h" #include "pixelformat.h" +#include "resource.h" #include "texture.h" namespace Msp { @@ -12,8 +13,8 @@ namespace GL { /** Two-dimensional texture. Consists of an array of texels in the shape of a -rectangle. Texture coordinate have a principal range of [0, 1]. This is the -most common type of texture. +rectangle. Texture coordinate have a range of [0, 1]. Coordinates outside of +this range are subject to wrapping. This is the most common type of texture. */ class Texture2D: public Texture { @@ -22,7 +23,10 @@ public: { public: Loader(Texture2D &); + Loader(Texture2D &, Collection &); private: + void init(); + void image_data(const std::string &); void raw_data(const std::string &); void storage(PixelFormat, unsigned, unsigned); @@ -30,13 +34,15 @@ public: }; private: + class AsyncLoader; + PixelFormat ifmt; unsigned width; unsigned height; unsigned allocated; public: - Texture2D(); + Texture2D(ResourceManager * = 0); /** Defines storage structure for the texture. Must be called before an image can be uploaded. Once storage is defined, it can't be changed. */ @@ -45,7 +51,7 @@ public: /** Allocates storage for the texture. The contents are initially undefined. If storage has already been allocated, does nothing. */ void allocate(unsigned level); - + /** Uploads an image to the texture. Storage must be defined beforehand. The image data must have dimensions and format compatible with the defined storage. */ @@ -57,21 +63,31 @@ public: void sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, PixelFormat fmt, DataType type, const void *data); - /** Loads an image from a file and uploads it to the texture. If storage - has not been defined, it will be set to match the loaded image. Otherwise - the image must be compatible with the defined storage. */ - void load_image(const std::string &fn); + /// Loads a Graphics::Image from a file and uploads it to the texture. + void load_image(const std::string &fn, bool srgb = false); /** Uploads an image to the texture. If storage has not been defined, it will be set to match the image. Otherwise the image must be compatible with - the defined storage. */ - void image(const Graphics::Image &); + the defined storage. + If srgb is true and storage is determined by this call, then an sRGB pixel + format will be used. */ + void image(const Graphics::Image &, bool srgb = false); + +private: + void image(const Graphics::Image &, bool, bool); + +public: unsigned get_width() const { return width; } unsigned get_height() const { return height; } private: void get_level_size(unsigned, unsigned &, unsigned &); + +public: + virtual Resource::AsyncLoader *load(IO::Seekable &, const Resources * = 0); + virtual UInt64 get_data_size() const; + virtual void unload(); }; } // namespace GL