+++ /dev/null
-#ifndef MSP_GL_TEXTURE2D_H_
-#define MSP_GL_TEXTURE2D_H_
-
-#include <string>
-#include <msp/gbase/image.h>
-#include "datatype.h"
-#include "pixelformat.h"
-#include "texture.h"
-
-namespace Msp {
-namespace GL {
-
-/**
-Two-dimensional texture class. This is the most common type of texture.
-*/
-class Texture2D: public Texture
-{
-public:
- class Loader: public Texture::Loader
- {
- public:
- Loader(Texture2D &);
- private:
- 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:
- PixelFormat ifmt;
- unsigned width;
- unsigned height;
- unsigned allocated;
-
-public:
- Texture2D();
-
- /**
- Defines the texture storage. This function may only be successfully called
- once.
- */
- 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
- this, and the image must have dimensions conforming to the specified
- 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(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 called, the storage format will be set to match the loaded image.
- */
- void load_image(const std::string &fn);
-
- unsigned get_width() const { return width; }
- unsigned get_height() const { return height; }
-
-private:
- void image(const Graphics::Image &);
- void require_storage();
- void get_level_size(unsigned, unsigned &, unsigned &);
-};
-
-} // namespace GL
-} // namespace Msp
-
-#endif