#include <string>
#include <msp/graphics/image.h>
-#include "datatype.h"
-#include "pixelformat.h"
#include "texture.h"
namespace Msp {
/**
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:
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);
+ void storage_levels(PixelFormat, unsigned, unsigned, unsigned);
};
private:
- PixelFormat ifmt;
+ class AsyncLoader;
+
unsigned width;
unsigned height;
+ unsigned levels;
unsigned allocated;
public:
- Texture2D();
+ Texture2D(ResourceManager * = 0);
+ virtual ~Texture2D();
+
+ /** Defines storage structure for the texture. If lv is zero, the number
+ of mipmap levels is automatically determined from storage dimensions.
- /** 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);
+ 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, unsigned lv = 0);
+
+ DEPRECATED void storage(PixelComponents cm, unsigned wd, unsigned ht, unsigned lv = 0)
+ { storage(make_pixelformat(cm, UNSIGNED_BYTE), wd, ht, lv); }
/** 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 the contents of the entire texture. Storage must be defined
+ beforehand. The image data must have dimensions and format matching the
+ defined storage. */
+ virtual void image(unsigned level, const void *data);
+
+ DEPRECATED void image(unsigned level, PixelComponents 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);
+ beforehand. The image data must be in a format mathing the defined storage
+ and the update region must be fully inside the texture. */
+ void sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht, 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);
+ DEPRECATED void sub_image(unsigned level, int x, int y, unsigned wd, unsigned ht,
+ PixelComponents fmt, DataType type, const void *data);
- /** 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. */
- void image(const Graphics::Image &);
+ /** Updates the contents of the entire texture from an image. If storage
+ has not been defined, it will be set to match the image. Otherwise the
+ image must match the defined storage. */
+ virtual void image(const Graphics::Image &, unsigned lv = 0);
+ using Texture::image;
+
+private:
+ void image(const Graphics::Image &, unsigned, bool);
+
+public:
unsigned get_width() const { return width; }
unsigned get_height() const { return height; }
private:
- 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