X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture2d.h;h=030fe408ad0a2b08bcdc448fe1f305703c3d8dce;hb=e079d5a878e83dc0baffcec66a57659c885cd593;hp=994c4efd7224c43605ec0f6097483124e809db35;hpb=afd625b06702e7a25e0730601f03955832b64e65;p=libs%2Fgl.git diff --git a/source/texture2d.h b/source/texture2d.h index 994c4efd..030fe408 100644 --- a/source/texture2d.h +++ b/source/texture2d.h @@ -3,8 +3,7 @@ #include #include -#include "datatype.h" -#include "pixelformat.h" +#include "resource.h" #include "texture.h" namespace Msp { @@ -12,8 +11,8 @@ 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 +21,10 @@ 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 +32,16 @@ public: }; private: + class AsyncLoader; + PixelFormat ifmt; 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 +50,7 @@ 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. */ @@ -57,13 +62,19 @@ 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. + + 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 &); + void image(const Graphics::Image &, bool, bool); public: unsigned get_width() const { return width; } @@ -71,6 +82,11 @@ public: 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