+++ /dev/null
-#ifndef MSP_GL_TEXTURE2D_H_
-#define MSP_GL_TEXTURE2D_H_
-
-#include <string>
-#include <msp/graphics/image.h>
-#include "datatype.h"
-#include "pixelformat.h"
-#include "resource.h"
-#include "texture.h"
-
-namespace Msp {
-namespace GL {
-
-/**
-Two-dimensional texture. Consists of an array of texels in the shape of a
-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 Msp::DataFile::DerivedObjectLoader<Texture2D, Texture::Loader>
- {
- 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);
- void storage_b(PixelFormat, unsigned, unsigned, unsigned);
- };
-
-private:
- class AsyncLoader;
-
- PixelFormat ifmt;
- unsigned width;
- unsigned height;
- unsigned allocated;
-
-public:
- 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. */
- void storage(PixelFormat fmt, unsigned wd, unsigned ht);
-
- /** 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. */
- void image(unsigned level, PixelFormat fmt, DataType type, const void *data);
-
- /** Updates a rectangular region of the texture. Storage must be defined
- and allocated beforehand. The update region must be fully inside the
- texture. */
- void sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht,
- PixelFormat fmt, DataType type, const void *data);
-
- /// 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 &, 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
-} // namespace Msp
-
-#endif