#ifndef MSP_GL_TEXTURECUBE_H_
#define MSP_GL_TEXTURECUBE_H_
+#include <msp/gl/extensions/arb_texture_cube_map.h>
#include <msp/graphics/image.h>
-#include "datatype.h"
-#include "pixelformat.h"
#include "texture.h"
#include "vector.h"
{
public:
Loader(TextureCube &);
+ Loader(TextureCube &, Collection &);
private:
+ void init();
+
+ void external_image(TextureCubeFace, const std::string &);
void image_data(TextureCubeFace, const std::string &);
void raw_data(TextureCubeFace, const std::string &);
void storage(PixelFormat, unsigned);
};
private:
- PixelFormat ifmt;
unsigned size;
+ unsigned levels;
unsigned allocated;
+ static TextureCubeFace face_order[6];
static Vector3 directions[6];
+ static unsigned orientations[12];
public:
TextureCube();
- /** 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 size);
+ /** Defines storage structure for the texture. If lv is zero, the number
+ of mipmap levels is automatically determined from storage dimensions.
+
+ Must be called before an image can be uploaded. Once storage is defined,
+ it can't be changed. */
+ void storage(PixelFormat fmt, unsigned size, unsigned lv = 0);
/** Allocates storage for the cube faces. The contents are initially
undefined. If storage has already been allocated, does nothing. */
int x, int y, unsigned w, unsigned h,
PixelFormat fmt, DataType type, const void *data);
- void image(TextureCubeFace, const Graphics::Image &);
+ void image(TextureCubeFace, const Graphics::Image &, bool = false);
+
+ virtual void image(const Graphics::Image &, bool = false);
unsigned get_size() const { return size; }
private:
- unsigned get_level_size(unsigned);
+ unsigned get_n_levels() const;
+ unsigned get_level_size(unsigned) const;
public:
/** Translates indices into face constants. Valid indices are between 0
and 5, inclusive. */
static TextureCubeFace enumerate_faces(unsigned);
+ static unsigned get_face_index(TextureCubeFace);
+
/** Returns a vector pointing out of the face. */
static const Vector3 &get_face_direction(TextureCubeFace);
/** Returns a vector pointing to the center a texel. */
Vector3 get_texel_direction(TextureCubeFace, unsigned, unsigned);
+
+ virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) { return 0; }
+ virtual UInt64 get_data_size() const;
+ virtual void unload() { }
};
void operator>>(const LexicalConverter &, TextureCubeFace &);