nuclear@0: #ifndef TEXTURE_H_
nuclear@0: #define TEXTURE_H_
nuclear@0: 
nuclear@0: #include "dataset.h"
nuclear@0: #include "opengl.h"
nuclear@0: 
nuclear@0: class Image;
nuclear@0: 
nuclear@0: class Texture {
nuclear@0: protected:
nuclear@0: 	unsigned int id;
nuclear@0: 	unsigned int target;
nuclear@0: 	unsigned int texfmt;
nuclear@0: 	int sz[3];
nuclear@0: 
nuclear@0: 	Texture(const Texture &tex) {}
nuclear@0: 	Texture &operator =(const Texture &tex) { return *this; }
nuclear@0: 
nuclear@0: public:
nuclear@0: 	Texture();
nuclear@0: 	virtual ~Texture();
nuclear@0: 
nuclear@0: 	void set_wrapping(unsigned int wrap);
nuclear@0: 	void set_filtering(unsigned int filt);
nuclear@0: 	void set_filtering(unsigned int min_filt, unsigned int mag_filt);
nuclear@0: 
nuclear@0: 	unsigned int get_format() const;
nuclear@0: 
nuclear@0: 	virtual int get_size(int dim) const;
nuclear@0: 
nuclear@0: 	virtual void create(int xsz, int ysz, unsigned int ifmt = GL_RGBA) = 0;
nuclear@0: 	virtual void set_image(const Image &img, int idx = 0) = 0;
nuclear@0: 
nuclear@0: 	virtual bool load(const char *fname) = 0;
nuclear@0: 	virtual bool save(const char *fname) const = 0;
nuclear@0: 
nuclear@0: 	virtual unsigned int get_id() const;
nuclear@0: 
nuclear@0: 	virtual void bind(int tex_unit = 0) const;
nuclear@0: };
nuclear@0: 
nuclear@0: class Texture2D : public Texture {
nuclear@0: public:
nuclear@0: 	Texture2D();
nuclear@0: 
nuclear@0: 	virtual void create(int xsz, int ysz, unsigned int ifmt = GL_RGBA);
nuclear@0: 	virtual void set_image(const Image &img, int idx = 0);
nuclear@0: 
nuclear@0: 	virtual bool load(const char *fname);
nuclear@0: 	virtual bool save(const char *fname) const;
nuclear@0: };
nuclear@0: 
nuclear@0: class TextureCube : public Texture {
nuclear@0: public:
nuclear@0: 	TextureCube();
nuclear@0: 
nuclear@0: 	virtual void create(int xsz, int ysz, unsigned int ifmt = GL_RGBA);
nuclear@0: 	virtual void set_image(const Image &img, int idx = 0);
nuclear@0: 
nuclear@0: 	virtual bool load(const char *fname);
nuclear@0: 	virtual bool save(const char *fname) const;
nuclear@0: };
nuclear@0: 
nuclear@0: void set_texture(Texture *tex, int tunit = 0);
nuclear@0: 
nuclear@0: /** loads a texture autodetecting whether it's a 2D texture or
nuclear@0:  * cubemap and creating the correct Texture subclass instance.
nuclear@0:  */
nuclear@0: Texture *load_texture(const char *fname);
nuclear@0: 
nuclear@0: class TextureSet : public DataSet<Texture*> {
nuclear@0: public:
nuclear@0: 	TextureSet();
nuclear@0: };
nuclear@0: 
nuclear@0: #endif	// TEXTURE_H_