#define MSP_GL_TEXTURE3D_H_
#include <string>
-#include "datatype.h"
-#include "pixelformat.h"
#include "texture.h"
namespace Msp {
*/
class Texture3D: public Texture
{
+public:
+ class Loader: public Msp::DataFile::DerivedObjectLoader<Texture3D, Texture::Loader>
+ {
+ public:
+ Loader(Texture3D &);
+ Loader(Texture3D &, Collection &);
+ private:
+ void init();
+
+ void raw_data(const std::string &);
+ void storage(PixelFormat, unsigned, unsigned, unsigned);
+ };
+
private:
- PixelFormat ifmt;
unsigned width;
unsigned height;
unsigned depth;
unsigned allocated;
+protected:
+ Texture3D(GLenum);
public:
Texture3D();
/** 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. */
texture's width and height are equal. If dp is -2, the texture's height and
depth are equal. Otherwise, dp must be positive and determines the
texture's depth. In all cases, the image's height must equal the texture's
- height times its depth. */
+ height times its depth.
+
+ Deprecated in favor of the base class version.*/
void load_image(const std::string &fn, int dp = -1);
+ using Texture::load_image;
+
+ /** Uploads an image to the texture. If storage has not been defined, it
+ will be set to match the image. In this case the image will be treated as
+ a stack of square layers and its height must be divisible by its width.
+ 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. */
+ virtual void image(const Graphics::Image &, bool = false);
+
unsigned get_width() const { return width; }
unsigned get_height() const { return height; }
unsigned get_depth() const { return depth; }
-private:
- void get_level_size(unsigned, unsigned &, unsigned &, unsigned &);
+protected:
+ unsigned get_n_levels() const;
+ void get_level_size(unsigned, unsigned &, unsigned &, unsigned &) const;
+
+public:
+ virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) { return 0; }
+ virtual UInt64 get_data_size() const;
+ virtual void unload() { }
};
} // namespace GL