source/renderpass.h

   1 /* $Id$
   2
   3 This file is part of libmspgl
   4 Copyright © 2007-2008, 2010  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #ifndef MSP_GL_RENDERPASS_H_
   9 #define MSP_GL_RENDERPASS_H_
  10
  11 #include <msp/core/refptr.h>
  12 #include <msp/datafile/objectloader.h>
  13 #include "bindable.h"
  14
  15 namespace Msp {
  16 namespace GL {
  17
  18 class Material;
  19 class Program;
  20 class ProgramData;
  21 class Texture;
  22
  23 /**
  24 Encapsulates the data that determines the appearance of a rendered surface.
  25 This includes shader and data for it, material and textures.
  26 */
  27 class RenderPass: public Bindable<RenderPass>
  28 {
  29 public:
  30         class Loader: public DataFile::CollectionObjectLoader<RenderPass>
  31         {
  32         public:
  33                 Loader(RenderPass &);
  34                 Loader(RenderPass &, Collection &);
  35
  36         private:
  37                 void init();
  38                 virtual void finish();
  39                 void material();
  40                 void material(const std::string &);
  41                 void texunit(unsigned);
  42                 void uniforms();
  43         };
  44
  45 private:
  46         struct TextureSlot
  47         {
  48                 class Loader: public DataFile::CollectionObjectLoader<TextureSlot>
  49                 {
  50                 public:
  51                         Loader(TextureSlot &);
  52                         Loader(TextureSlot &, Collection &);
  53
  54                 private:
  55                         void init();
  56                         void texture(const std::string &);
  57                         void texture2d();
  58                 };
  59
  60                 unsigned index;
  61                 RefPtr<const Texture> texture;
  62
  63                 TextureSlot(unsigned);
  64         };
  65
  66         Program *shprog;
  67         ProgramData *shdata;
  68         RefPtr<const Material> material;
  69         std::vector<TextureSlot> textures;
  70
  71         RenderPass &operator=(const RenderPass &);
  72 public:
  73         RenderPass();
  74         RenderPass(const RenderPass &);
  75         ~RenderPass();
  76
  77         void set_material(const Material *);
  78         void set_texture(unsigned, const Texture *);
  79
  80         void bind() const;
  81
  82         static void unbind();
  83 };
  84
  85 } // namespace GL
  86 } // namespace Msp
  87
  88 #endif