class TexGen;
class Texture;
+/**
+Keeps track of texture unit related state. Mostly for internal use.
+*/
class TexUnit
{
private:
+ unsigned index;
const Texture *texture;
- const TexEnv *texenv;
- const TexGen *texgen[4];
static std::vector<TexUnit> units;
static TexUnit *cur_unit;
-public:
TexUnit();
+public:
+ unsigned get_index() const { return index; }
bool set_texture(const Texture *);
const Texture *get_texture() const { return texture; }
- bool set_texenv(const TexEnv *);
- const TexEnv *get_texenv() const { return texenv; }
- bool set_texgen(unsigned, const TexGen *);
- const TexGen *get_texgen(unsigned);
+ void bind();
static unsigned get_n_units();
- static TexUnit &activate(unsigned);
+ static TexUnit &get_unit(unsigned);
static TexUnit ¤t();
+ static TexUnit *find_unit(const Texture *);
};
} // namespace GL