-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2010 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
#ifndef MSP_GL_TEXTURING_H_
#define MSP_GL_TEXTURING_H_
namespace Msp {
namespace GL {
-class TexEnv;
class Texture;
class Texturing: public Bindable<Texturing>
private:
struct Attachment
{
- const Texture *tex;
- const TexEnv *env;
+ unsigned unit;
+ const Texture *texture;
+ const Sampler *sampler;
- Attachment();
+ Attachment(unsigned, const Texture *, const Sampler *);
};
std::vector<Attachment> attachments;
public:
~Texturing();
- void attach(unsigned, const Texture &);
- void attach(unsigned, const Texture &, const TexEnv &);
+ int find_free_unit(const std::string & = std::string()) const;
+ void attach(unsigned, const Texture &, const Sampler * = 0);
+ void attach(unsigned, const Sampler &);
void detach(unsigned);
private:
- void set_attachment(unsigned, const Texture *, const TexEnv *);
- void bind_attachment(unsigned) const;
-
- static void unbind_attachment(unsigned);
-
+ void set_attachment(unsigned, const Texture *, const Sampler *);
public:
+ const Texture *get_attached_texture(unsigned) const;
+ const Sampler *get_attached_sampler(unsigned) const;
+
void bind() const;
static void unbind();
+
+private:
+ void bind_attachment(const Attachment &) const;
+ static void unbind_attachment(unsigned);
};
} // namespace GL