#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 "texture.h"
+#include "texturecube_backend.h"
#include "vector.h"
namespace Msp {
enum TextureCubeFace
{
- POSITIVE_X = GL_TEXTURE_CUBE_MAP_POSITIVE_X,
- NEGATIVE_X = GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
- POSITIVE_Y = GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
- NEGATIVE_Y = GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
- POSITIVE_Z = GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
- NEGATIVE_Z = GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
+ POSITIVE_X = 0,
+ NEGATIVE_X = 1,
+ POSITIVE_Y = 2,
+ NEGATIVE_Y = 3,
+ POSITIVE_Z = 4,
+ NEGATIVE_Z = 5
};
/**
Requires OpenGL version 1.3.
*/
-class TextureCube: public Texture
+class TextureCube: public TextureCubeBackend
{
+ friend TextureCubeBackend;
+
public:
class Loader: public Msp::DataFile::DerivedObjectLoader<TextureCube, Texture::Loader>
{
};
private:
- unsigned size;
- unsigned levels;
+ unsigned size = 0;
+ unsigned levels = 0;
- static const TextureCubeFace face_order[6];
static const Vector3 directions[6];
static const unsigned orientations[12];
public:
- TextureCube();
-
/** Defines storage structure for the texture. If lv is zero, the number
of mipmap levels is automatically determined from storage dimensions.
void image(TextureCubeFace, const Graphics::Image &);
virtual void image(const Graphics::Image &, unsigned = 0);
- using Texture::image;
unsigned get_size() const { return size; }
private:
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);
Vector3 get_texel_direction(TextureCubeFace, unsigned, unsigned);
virtual AsyncLoader *load(IO::Seekable &, const Resources * = 0) { return 0; }
- virtual std::uint64_t get_data_size() const;
+ virtual std::size_t get_data_size() const;
virtual void unload() { }
};