source/renderpass.cpp

   1 #include <msp/core/refptr.h>
   2 #include <msp/datafile/collection.h>
   3 #include <msp/strings/format.h>
   4 #include "error.h"
   5 #include "material.h"
   6 #include "renderpass.h"
   7 #include "program.h"
   8 #include "programdata.h"
   9 #include "texenv.h"
  10 #include "texture.h"
  11 #include "texture2d.h"
  12 #include "texturing.h"
  13
  14 using namespace std;
  15
  16 namespace Msp {
  17 namespace GL {
  18
  19 RenderPass::RenderPass():
  20         shprog(0),
  21         shdata(0),
  22         material(0),
  23         texturing(0)
  24 { }
  25
  26 RenderPass::RenderPass(const RenderPass &other):
  27         shprog(other.shprog),
  28         shdata(other.shdata ? new ProgramData(*other.shdata) : 0),
  29         material(other.material),
  30         texturing(other.texturing ? new Texturing(*other.texturing) : 0),
  31         tex_names(other.tex_names)
  32 { }
  33
  34 RenderPass::~RenderPass()
  35 {
  36         delete shdata;
  37         delete texturing;
  38 }
  39
  40 void RenderPass::set_material(const Material *mat)
  41 {
  42         material = mat;
  43         material.keep();
  44 }
  45
  46 void RenderPass::set_texture(unsigned index, const Texture *tex)
  47 {
  48         if(!texturing)
  49                 texturing = new Texturing;
  50
  51         texturing->attach(index, *tex);
  52 }
  53
  54 int RenderPass::get_texture_index(const string &n) const
  55 {
  56         map<string, unsigned>::const_iterator i = tex_names.find(n);
  57         if(i==tex_names.end())
  58                 return -1;
  59         return i->second;
  60 }
  61
  62
  63 RenderPass::Loader::Loader(RenderPass &p):
  64         DataFile::CollectionObjectLoader<RenderPass>(p, 0)
  65 {
  66         init();
  67 }
  68
  69 RenderPass::Loader::Loader(RenderPass &p, Collection &c):
  70         DataFile::CollectionObjectLoader<RenderPass>(p, &c)
  71 {
  72         init();
  73 }
  74
  75 void RenderPass::Loader::init()
  76 {
  77         allow_pointer_reload = false;
  78
  79         add("shader",   &RenderPass::shprog);
  80         add("material", &Loader::material_inline);
  81         add("material", &Loader::material);
  82         add("texunit",  &Loader::texunit);
  83         add("texunit",  &Loader::texunit_named);
  84         add("uniforms", &Loader::uniforms);
  85 }
  86
  87 void RenderPass::Loader::material_inline()
  88 {
  89         RefPtr<Material> mat = new Material;
  90         load_sub(*mat);
  91         obj.material = mat;
  92 }
  93
  94 void RenderPass::Loader::material(const string &name)
  95 {
  96         obj.material = get_collection().get<Material>(name);
  97         obj.material.keep();
  98 }
  99
 100 void RenderPass::Loader::texunit(unsigned i)
 101 {
 102         if(!obj.texturing)
 103                 obj.texturing = new Texturing;
 104         TextureLoader ldr(*obj.texturing, i, coll);
 105         load_sub_with(ldr);
 106 }
 107
 108 void RenderPass::Loader::texunit_named(unsigned i, const string &n)
 109 {
 110         texunit(i);
 111         obj.tex_names[n] = i;
 112 }
 113
 114 void RenderPass::Loader::uniforms()
 115 {
 116         if(!obj.shprog)
 117                 throw invalid_operation("RenderPass::Loader::uniforms");
 118         if(!obj.shdata)
 119                 obj.shdata = new ProgramData(*obj.shprog);
 120         load_sub(*obj.shdata);
 121 }
 122
 123
 124 RenderPass::TextureLoader::TextureLoader(Texturing &t, unsigned i, Collection *c):
 125         DataFile::CollectionObjectLoader<Texturing>(t, c),
 126         index(i)
 127 {
 128         add("texture",   &TextureLoader::texture);
 129         add("texture2d", &TextureLoader::texture2d);
 130 }
 131
 132 void RenderPass::TextureLoader::finish()
 133 {
 134         if(tex)
 135         {
 136                 if(env)
 137                         obj.attach(index, *tex, *env);
 138                 else
 139                         obj.attach(index, *tex);
 140                 tex.release();
 141                 env.release();
 142         }
 143 }
 144
 145 void RenderPass::TextureLoader::texenv()
 146 {
 147         throw runtime_error("TexEnvs can't be loaded yet");
 148         /*env = new TexEnv;
 149         load_sub(*env);*/
 150 }
 151
 152 void RenderPass::TextureLoader::texture(const string &name)
 153 {
 154         tex = get_collection().get<Texture>(name);
 155         tex.keep();
 156 }
 157
 158 void RenderPass::TextureLoader::texture2d()
 159 {
 160         tex = new Texture2D;
 161         load_sub(static_cast<Texture2D &>(*tex));
 162 }
 163
 164 } // namespace GL
 165 } // namespace Msp