1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/texture.h	Thu Nov 14 05:27:09 2013 +0200
     1.3 @@ -0,0 +1,76 @@
     1.4 +#ifndef TEXTURE_H_
     1.5 +#define TEXTURE_H_
     1.6 +
     1.7 +#include "dataset.h"
     1.8 +#include "opengl.h"
     1.9 +
    1.10 +class Image;
    1.11 +
    1.12 +class Texture {
    1.13 +protected:
    1.14 +	unsigned int id;
    1.15 +	unsigned int target;
    1.16 +	unsigned int texfmt;
    1.17 +	int sz[3];
    1.18 +
    1.19 +	Texture(const Texture &tex) {}
    1.20 +	Texture &operator =(const Texture &tex) { return *this; }
    1.21 +
    1.22 +public:
    1.23 +	Texture();
    1.24 +	virtual ~Texture();
    1.25 +
    1.26 +	void set_wrapping(unsigned int wrap);
    1.27 +	void set_filtering(unsigned int filt);
    1.28 +	void set_filtering(unsigned int min_filt, unsigned int mag_filt);
    1.29 +
    1.30 +	unsigned int get_format() const;
    1.31 +
    1.32 +	virtual int get_size(int dim) const;
    1.33 +
    1.34 +	virtual void create(int xsz, int ysz, unsigned int ifmt = GL_RGBA) = 0;
    1.35 +	virtual void set_image(const Image &img, int idx = 0) = 0;
    1.36 +
    1.37 +	virtual bool load(const char *fname) = 0;
    1.38 +	virtual bool save(const char *fname) const = 0;
    1.39 +
    1.40 +	virtual unsigned int get_id() const;
    1.41 +
    1.42 +	virtual void bind(int tex_unit = 0) const;
    1.43 +};
    1.44 +
    1.45 +class Texture2D : public Texture {
    1.46 +public:
    1.47 +	Texture2D();
    1.48 +
    1.49 +	virtual void create(int xsz, int ysz, unsigned int ifmt = GL_RGBA);
    1.50 +	virtual void set_image(const Image &img, int idx = 0);
    1.51 +
    1.52 +	virtual bool load(const char *fname);
    1.53 +	virtual bool save(const char *fname) const;
    1.54 +};
    1.55 +
    1.56 +class TextureCube : public Texture {
    1.57 +public:
    1.58 +	TextureCube();
    1.59 +
    1.60 +	virtual void create(int xsz, int ysz, unsigned int ifmt = GL_RGBA);
    1.61 +	virtual void set_image(const Image &img, int idx = 0);
    1.62 +
    1.63 +	virtual bool load(const char *fname);
    1.64 +	virtual bool save(const char *fname) const;
    1.65 +};
    1.66 +
    1.67 +void set_texture(Texture *tex, int tunit = 0);
    1.68 +
    1.69 +/** loads a texture autodetecting whether it's a 2D texture or
    1.70 + * cubemap and creating the correct Texture subclass instance.
    1.71 + */
    1.72 +Texture *load_texture(const char *fname);
    1.73 +
    1.74 +class TextureSet : public DataSet<Texture*> {
    1.75 +public:
    1.76 +	TextureSet();
    1.77 +};
    1.78 +
    1.79 +#endif	// TEXTURE_H_