source/materials/material.cpp

   1 #include <msp/core/hash.h>
   2 #include <msp/strings/format.h>
   3 #include "basicmaterial.h"
   4 #include "gl.h"
   5 #include "pbrmaterial.h"
   6 #include "resources.h"
   7 #include "texturing.h"
   8 #include "uniform.h"
   9 #include "unlitmaterial.h"
  10
  11 using namespace std;
  12
  13 namespace Msp {
  14 namespace GL {
  15
  16 const Program *Material::create_compatible_shader(const map<string, int> &extra_spec) const
  17 {
  18         string module_name;
  19         map<string, int> spec_values;
  20         fill_program_info(module_name, spec_values);
  21
  22         for(map<string, int>::const_iterator i=extra_spec.begin(); i!=extra_spec.end(); ++i)
  23                 spec_values[i->first] = i->second;
  24
  25         string info = module_name;
  26         for(map<string, int>::const_iterator i=spec_values.begin(); i!=spec_values.end(); ++i)
  27                 info += format(",%s:%d", i->first, i->second);
  28
  29         Resources &res = Resources::get_global();
  30         string name = format("_material_%016x.shader", hash64(info));
  31         Program *shprog = res.find<Program>(name);
  32         if(shprog)
  33                 return shprog;
  34
  35         const Module &module = res.get<Module>(module_name);
  36         shprog = new Program(module, spec_values);
  37         try
  38         {
  39                 res.add(name, shprog);
  40         }
  41         catch(...)
  42         {
  43                 delete shprog;
  44                 throw;
  45         }
  46
  47         return shprog;
  48 }
  49
  50 #pragma GCC diagnostic push
  51 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
  52 void Material::attach_texture_to(const Texture *tex, Texturing &texturing, ProgramData &tex_shdata, const string &name) const
  53 {
  54         if(!tex)
  55                 return;
  56
  57         int unit = -1;
  58
  59         if(const Uniform *uni = tex_shdata.find_uniform(name))
  60                 if(const Uniform1i *uni_int = dynamic_cast<const Uniform1i *>(uni))
  61                         unit = uni_int->get();
  62
  63         if(unit<0)
  64                 unit = texturing.find_free_unit(name);
  65         if(unit<0)
  66                 throw runtime_error("no free texunit");
  67
  68         texturing.attach(unit, *tex, sampler);
  69         tex_shdata.uniform(name, unit);
  70 }
  71 #pragma GCC diagnostic pop
  72
  73 void Material::set_debug_name(const string &name)
  74 {
  75 #ifdef DEBUG
  76         shdata.set_debug_name(name+" [UBO]");
  77 #else
  78         (void)name;
  79 #endif
  80 }
  81
  82 Material::MaterialRegistry &Material::get_material_registry()
  83 {
  84         static MaterialRegistry registry;
  85         static bool initialized = false;
  86         if(!initialized)
  87         {
  88                 initialized = true;
  89                 registry.register_type<BasicMaterial>("basic");
  90                 registry.register_type<PbrMaterial>("pbr");
  91                 registry.register_type<UnlitMaterial>("unlit");
  92         }
  93         return registry;
  94 }
  95
  96
  97 Material::Loader::Loader(Material &m):
  98         CollectionObjectLoader(m, 0)
  99 { }
 100
 101 Material::Loader::Loader(Material &m, Collection &c):
 102         CollectionObjectLoader(m, &c)
 103 { }
 104
 105 void Material::Loader::init_actions()
 106 {
 107         add("sampler", &Loader::sampler);
 108 }
 109
 110 void Material::Loader::sampler(const string &name)
 111 {
 112         obj.sampler = &get_collection().get<Sampler>(name);
 113 }
 114
 115
 116 DataFile::Loader::ActionMap Material::GenericLoader::shared_actions;
 117
 118 Material::GenericLoader::GenericLoader(DataFile::Collection *c):
 119         coll(c),
 120         material(0),
 121         mat_loader(0)
 122 {
 123         set_actions(shared_actions);
 124 }
 125
 126 Material::GenericLoader::~GenericLoader()
 127 {
 128         delete material;
 129         delete mat_loader;
 130 }
 131
 132 void Material::GenericLoader::init_actions()
 133 {
 134         add("type", &GenericLoader::type);
 135 }
 136
 137 void Material::GenericLoader::type(const DataFile::Symbol &sym)
 138 {
 139         get_material_registry().invoke(sym.name, *this);
 140 }
 141
 142 } // namespace GL
 143 } // namespace Msp