X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Ftexture2d.h;h=1f8b5f7ea557e94abcded7d8f7fd423b7fea7cdd;hp=ff4d35b64b24685661f842b6f652604b0d4220a4;hb=698e78ecfa30cc3580050996bc236c3ebe65aa2a;hpb=e003d7a1497dad3b13e4e88e681f8fa2afc40c83 diff --git a/source/texture2d.h b/source/texture2d.h index ff4d35b6..1f8b5f7e 100644 --- a/source/texture2d.h +++ b/source/texture2d.h @@ -3,8 +3,6 @@ #include #include -#include "datatype.h" -#include "pixelformat.h" #include "texture.h" namespace Msp { @@ -12,31 +10,34 @@ 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 { public: - class Loader: public Texture::Loader + class Loader: public Msp::DataFile::DerivedObjectLoader { public: Loader(Texture2D &); + Loader(Texture2D &, Collection &); private: - void image_data(const std::string &); + void init(); + void raw_data(const std::string &); void storage(PixelFormat, unsigned, unsigned); - void storage_b(PixelFormat, unsigned, unsigned, unsigned); }; private: - PixelFormat ifmt; + class AsyncLoader; + unsigned width; unsigned height; unsigned allocated; public: - Texture2D(); + Texture2D(ResourceManager * = 0); + virtual ~Texture2D(); /** 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 +46,7 @@ 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. */ @@ -57,17 +58,29 @@ 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); + /** 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. - unsigned get_width() const { return width; } + If srgb is true and storage is determined by this call, then an sRGB pixel + format will be used. */ + virtual 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 image(const Graphics::Image &); - void get_level_size(unsigned, unsigned &, unsigned &); + unsigned get_n_levels() const; + void get_level_size(unsigned, unsigned &, unsigned &) const; + +public: + virtual Resource::AsyncLoader *load(IO::Seekable &, const Resources * = 0); + virtual UInt64 get_data_size() const; + virtual void unload(); }; } // namespace GL