source/texturing.h

   1 #ifndef MSP_GL_TEXTURING_H_
   2 #define MSP_GL_TEXTURING_H_
   3
   4 #include <vector>
   5 #include "bindable.h"
   6
   7 namespace Msp {
   8 namespace GL {
   9
  10 class Texture;
  11
  12 class Texturing: public Bindable<Texturing>
  13 {
  14 private:
  15         struct Attachment
  16         {
  17                 unsigned unit;
  18                 const Texture *texture;
  19
  20                 Attachment(unsigned, const Texture *);
  21         };
  22
  23         std::vector<Attachment> attachments;
  24
  25 public:
  26         ~Texturing();
  27
  28         int find_free_unit(const std::string & = std::string()) const;
  29         void attach(unsigned, const Texture &);
  30         void detach(unsigned);
  31 private:
  32         void set_attachment(unsigned, const Texture *);
  33 public:
  34         const Texture *get_attached_texture(unsigned) const;
  35
  36         void bind() const;
  37
  38         static void unbind();
  39 };
  40
  41 } // namespace GL
  42 } // namespace Msp;
  43
  44 #endif