X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftexture2d.h;h=5f4a7f9293e49f90781dbeaa50322cd6cc90747c;hb=48fc090a59a5ff5c3f06ffe1acfe77b06dad2a86;hp=012718528af72592039831c2a27c69b6a58aa728;hpb=ceae2a27dfc58310c5bab7e3aa3fedf0fa9a1f49;p=libs%2Fgl.git diff --git a/source/texture2d.h b/source/texture2d.h index 01271852..5f4a7f92 100644 --- a/source/texture2d.h +++ b/source/texture2d.h @@ -1,15 +1,8 @@ -/* $Id$ - -This file is part of libmspgl -Copyright © 2007 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #ifndef MSP_GL_TEXTURE2D_H_ #define MSP_GL_TEXTURE2D_H_ #include -#include +#include #include "datatype.h" #include "pixelformat.h" #include "texture.h" @@ -30,14 +23,15 @@ public: private: void image_data(const std::string &); void raw_data(const std::string &); - void storage(PixelFormat, unsigned, unsigned, unsigned); + void storage(PixelFormat, unsigned, unsigned); + void storage_b(PixelFormat, unsigned, unsigned, unsigned); }; private: PixelFormat ifmt; unsigned width; unsigned height; - int border; + unsigned allocated; public: Texture2D(); @@ -46,20 +40,22 @@ public: Defines the texture storage. This function may only be successfully called once. */ - void storage(PixelFormat fmt, unsigned wd, unsigned ht, int brd); + void storage(PixelFormat fmt, unsigned wd, unsigned ht); + + /** Allocates texture storage. If storage has already been allocated, this + function does nothing. */ + void allocate(unsigned level); - /** - Uploads an image to the texture. storage() must have been called prior to + /** Uploads an image to the texture. storage() must have been called prior to this, and the image must have dimensions conforming to the specified - storage. - */ - void image(int level, PixelFormat fmt, DataType type, const void *data); + storage. For level>0, mipmapping rules apply to the image dimensions. */ + void image(unsigned level, PixelFormat fmt, DataType type, const void *data); /** Uploads a sub-image into the texture. Unlike full image upload, there are no constraints on the size of the sub-image. */ - void sub_image(int level, int x, int y, unsigned wd, unsigned ht, PixelFormat fmt, DataType type, const void *data); + 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 @@ -72,6 +68,7 @@ public: private: void image(const Graphics::Image &); + void get_level_size(unsigned, unsigned &, unsigned &); }; } // namespace GL