source/renderpass.cpp

   1 #include <msp/core/refptr.h>
   2 #include <msp/datafile/collection.h>
   3 #include <msp/strings/formatter.h>
   4 #include "material.h"
   5 #include "renderpass.h"
   6 #include "program.h"
   7 #include "programdata.h"
   8 #include "texenv.h"
   9 #include "texture.h"
  10 #include "texture2d.h"
  11 #include "texturing.h"
  12
  13 using namespace std;
  14
  15 namespace Msp {
  16 namespace GL {
  17
  18 RenderPass::RenderPass():
  19         shprog(0),
  20         shdata(0),
  21         material(0),
  22         texturing(0)
  23 { }
  24
  25 RenderPass::RenderPass(const RenderPass &other):
  26         shprog(other.shprog),
  27         shdata(other.shdata ? new ProgramData(*other.shdata) : 0),
  28         material(other.material),
  29         texturing(other.texturing ? new Texturing(*other.texturing) : 0),
  30         tex_names(other.tex_names)
  31 { }
  32
  33 RenderPass::~RenderPass()
  34 {
  35         delete shdata;
  36         delete texturing;
  37 }
  38
  39 void RenderPass::set_material(const Material *mat)
  40 {
  41         material = mat;
  42         material.keep();
  43 }
  44
  45 void RenderPass::set_texture(unsigned index, const Texture *tex)
  46 {
  47         if(!texturing)
  48                 texturing = new Texturing;
  49
  50         texturing->attach(index, *tex);
  51 }
  52
  53 int RenderPass::get_texture_index(const string &n) const
  54 {
  55         map<string, unsigned>::const_iterator i = tex_names.find(n);
  56         if(i==tex_names.end())
  57                 return -1;
  58         return i->second;
  59 }
  60
  61
  62 RenderPass::Loader::Loader(RenderPass &p):
  63         DataFile::CollectionObjectLoader<RenderPass>(p, 0)
  64 {
  65         init();
  66 }
  67
  68 RenderPass::Loader::Loader(RenderPass &p, Collection &c):
  69         DataFile::CollectionObjectLoader<RenderPass>(p, &c)
  70 {
  71         init();
  72 }
  73
  74 void RenderPass::Loader::init()
  75 {
  76         allow_pointer_reload = false;
  77
  78         add("shader",   &RenderPass::shprog);
  79         add("material", &Loader::material_inline);
  80         add("material", &Loader::material);
  81         add("texunit",  &Loader::texunit);
  82         add("texunit",  &Loader::texunit_named);
  83         add("uniforms", &Loader::uniforms);
  84 }
  85
  86 void RenderPass::Loader::material_inline()
  87 {
  88         RefPtr<Material> mat = new Material;
  89         load_sub(*mat);
  90         obj.material = mat;
  91 }
  92
  93 void RenderPass::Loader::material(const string &name)
  94 {
  95         obj.material = get_collection().get<Material>(name);
  96         obj.material.keep();
  97 }
  98
  99 void RenderPass::Loader::texunit(unsigned i)
 100 {
 101         if(!obj.texturing)
 102                 obj.texturing = new Texturing;
 103         TextureLoader ldr(*obj.texturing, i, coll);
 104         load_sub_with(ldr);
 105 }
 106
 107 void RenderPass::Loader::texunit_named(unsigned i, const string &n)
 108 {
 109         texunit(i);
 110         obj.tex_names[n] = i;
 111 }
 112
 113 void RenderPass::Loader::uniforms()
 114 {
 115         if(!obj.shprog)
 116                 throw InvalidState("Can't load uniforms without a shader program");
 117         if(!obj.shdata)
 118                 obj.shdata = new ProgramData(*obj.shprog);
 119         load_sub(*obj.shdata);
 120 }
 121
 122
 123 RenderPass::TextureLoader::TextureLoader(Texturing &t, unsigned i, Collection *c):
 124         DataFile::CollectionObjectLoader<Texturing>(t, c),
 125         index(i)
 126 {
 127         add("texture",   &TextureLoader::texture);
 128         add("texture2d", &TextureLoader::texture2d);
 129 }
 130
 131 void RenderPass::TextureLoader::finish()
 132 {
 133         if(tex)
 134         {
 135                 if(env)
 136                         obj.attach(index, *tex, *env);
 137                 else
 138                         obj.attach(index, *tex);
 139                 tex.release();
 140                 env.release();
 141         }
 142 }
 143
 144 void RenderPass::TextureLoader::texenv()
 145 {
 146         throw Exception("TexEnvs can't be loaded yet");
 147         /*env = new TexEnv;
 148         load_sub(*env);*/
 149 }
 150
 151 void RenderPass::TextureLoader::texture(const string &name)
 152 {
 153         tex = get_collection().get<Texture>(name);
 154         tex.keep();
 155 }
 156
 157 void RenderPass::TextureLoader::texture2d()
 158 {
 159         tex = new Texture2D;
 160         load_sub(static_cast<Texture2D &>(*tex));
 161 }
 162
 163 } // namespace GL
 164 } // namespace Msp