-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
#ifndef MSP_GL_TEXUNIT_H_
#define MSP_GL_TEXUNIT_H_
namespace Msp {
namespace GL {
+class TexEnv;
+class TexGen;
class Texture;
+/**
+Keeps track of texture unit related state. Mostly for internal use.
+*/
class TexUnit
{
-public:
- TexUnit();
- bool set_texture(const Texture *);
- const Texture *get_texture() { return texture; }
- //TexEnv &get_env() { return env; }
-
- static TexUnit &activate(unsigned);
- static TexUnit ¤t();
private:
+ unsigned index;
+ bool legacy;
const Texture *texture;
- //TexEnv env;
+ bool tex_legacy;
static std::vector<TexUnit> units;
static TexUnit *cur_unit;
+
+ TexUnit();
+
+public:
+ unsigned get_index() const { return index; }
+ bool supports_legacy() const { return legacy; }
+ bool set_texture(const Texture *, bool = true);
+ const Texture *get_texture() const { return texture; }
+ bool get_texture_legacy() const { return tex_legacy; }
+ void bind();
+
+ static unsigned get_n_units();
+ static unsigned get_n_legacy_units();
+ static TexUnit &get_unit(unsigned);
+ static TexUnit ¤t();
+ static TexUnit *find_unit(const Texture *);
};
} // namespace GL