unsigned id;
GLenum target;
+ PixelFormat ifmt;
TextureFilter min_filter;
TextureFilter mag_filter;
float max_anisotropy;
protected:
static DataType get_alloc_type(PixelFormat);
+ void set_internal_format(PixelFormat);
void update_parameter(int) const;
void set_parameter_i(GLenum, int) const;