source/program.h

   1 #ifndef MSP_GL_PROGRAM_H_
   2 #define MSP_GL_PROGRAM_H_
   3
   4 #include <list>
   5 #include <string>
   6 #include <msp/datafile/objectloader.h>
   7 #include "bindable.h"
   8 #include "gl.h"
   9
  10 namespace Msp {
  11 namespace GL {
  12
  13 class Shader;
  14
  15 class Program: public Bindable<Program>
  16 {
  17 public:
  18         class Loader: public DataFile::ObjectLoader<Program>
  19         {
  20         public:
  21                 Loader(Program &);
  22
  23         private:
  24                 virtual void finish();
  25
  26                 void attribute(unsigned, const std::string &);
  27                 void fragment_shader(const std::string &);
  28                 void standard();
  29                 void vertex_shader(const std::string &);
  30         };
  31
  32         struct StandardFeatures
  33         {
  34                 class Loader: public DataFile::ObjectLoader<StandardFeatures>
  35                 {
  36                 public:
  37                         Loader(StandardFeatures &);
  38                 };
  39
  40                 bool texture;
  41                 bool material;
  42                 bool lighting;
  43                 bool specular;
  44                 bool normalmap;
  45                 bool shadow;
  46
  47                 StandardFeatures();
  48
  49                 std::string create_flags() const;
  50         };
  51
  52         struct UniformInfo
  53         {
  54                 std::string name;
  55                 int location;
  56                 int size;
  57                 GLenum type;
  58         };
  59
  60 private:
  61         unsigned id;
  62         std::list<Shader *> shaders;
  63         bool del_shaders;
  64         bool linked;
  65         std::map<std::string, UniformInfo> uniforms;
  66
  67 public:
  68         Program();
  69         Program(const StandardFeatures &);
  70         Program(const std::string &, const std::string &);
  71 private:
  72         void init();
  73 public:
  74         virtual ~Program();
  75
  76         void attach_shader(Shader &shader);
  77         void detach_shader(Shader &shader);
  78         void add_standard_shaders(const StandardFeatures &);
  79 private:
  80         static std::string process_standard_source(const char **, const std::string &);
  81 public:
  82         const std::list<Shader *> &get_shaders() const { return shaders; }
  83         void set_del_shaders(bool);
  84         void bind_attribute(unsigned, const std::string &);
  85         void link();
  86         bool is_linked() const { return linked; }
  87         std::string get_info_log() const;
  88         void bind() const;
  89         int get_uniform_location(const std::string &) const;
  90
  91         static void unbind();
  92 };
  93
  94 } // namespace GL
  95 } // namespace Msp
  96
  97 #endif