source/programbuilder.cpp

   1 #include <algorithm>
   2 #include <msp/strings/format.h>
   3 #include "program.h"
   4 #include "programbuilder.h"
   5 #include "shader.h"
   6 #include "vertexformat.h"
   7
   8 using namespace std;
   9
  10 namespace Msp {
  11 namespace GL {
  12
  13 /*
  14 Naming conventions:
  15   n_*        Normalized vector
  16   l_*        Lighting component
  17
  18   obj_*      Object space
  19   eye_*      Eye space
  20   tbn_*      Tangent-Binormal-Normal space
  21   shd_*      Shadow space
  22   env_*      Environment space
  23   *_dir      Direction vector
  24
  25   zzz_*      Wildcard space, resolved by the builder
  26              All wildcard spaces within an expression must match
  27
  28   xxx_yyy_*  Matrix that transforms between yyy to xxx
  29              The vector is on the side of its designated space, result will be
  30              in the other space
  31   *_matrix   A matrix (duh)
  32   *_rmatrix  A mat4 that works with a row vector
  33
  34   rgb_*      Color with rgb components only
  35   color_*    Color with rgba components
  36 */
  37
  38 /* The array are stored in reverse order, so that variables always come after
  39 anything that might need them. */
  40 const ProgramBuilder::StandardVariable ProgramBuilder::standard_variables[] =
  41 {
  42         { FRAGMENT, "gl_FragColor", 0, "color_base", "!t" },
  43         { FRAGMENT, "gl_FragColor", 0, "tex_sample", "!l!s!mt" },
  44         { FRAGMENT, "gl_FragColor", 0, "tex_sample*color_base", "l|s|mt" },
  45         { FRAGMENT, "color_base", "vec4", "vec4(1.0)", "!l!s!m" },
  46         { FRAGMENT, "color_base", "vec4", "color", "!l!sm" },
  47         { FRAGMENT, "color_base", "vec4", "vec4(vec3(l_shadow), 1.0)", "!ls!m" },
  48         { FRAGMENT, "color_base", "vec4", "color*vec4(vec3(l_shadow), 1.0)", "!lsm" },
  49         { FRAGMENT, "color_base", "vec4", "vec4(rgb_light_env, 1.0)", "l!m" },
  50         { FRAGMENT, "color_base", "vec4", "vec4(rgb_light_env, gl_FrontMaterial.diffuse.a)", "lm" },
  51         { FRAGMENT, "rgb_light_env", "vec3", "rgb_light_full+reflect_sample.rgb*reflectivity", "e" },
  52         { FRAGMENT, "rgb_light_env", "vec3", "rgb_light_full", "!e" },
  53         { FRAGMENT, "rgb_light_full", "vec3", "rgb_light_shadow+gl_FrontLightModelProduct.sceneColor.rgb", "m" },
  54         { FRAGMENT, "rgb_light_full", "vec3", "rgb_light_shadow", "!m" },
  55         { FRAGMENT, "rgb_light_shadow", "vec3", "rgb_light*l_shadow", "s" },
  56         { FRAGMENT, "rgb_light_shadow", "vec3", "rgb_light", "!s" },
  57         { FRAGMENT, "rgb_light", "vec3", "vec3(l_diffuse)", "!m!p" },
  58         { FRAGMENT, "rgb_light", "vec3", "vec3(l_diffuse+l_specular)", "!mp" },
  59         { FRAGMENT, "rgb_light", "vec3", "l_diffuse*gl_FrontLightProduct[0].diffuse.rgb", "m!p" },
  60         { FRAGMENT, "rgb_light", "vec3", "l_diffuse*gl_FrontLightProduct[0].diffuse.rgb+l_specular*gl_FrontLightProduct[0].specular.rgb", "mp" },
  61         { FRAGMENT, "reflect_sample", "vec4", "textureCube(environment, env_reflect_dir)", 0 },
  62         { FRAGMENT, "env_reflect_dir", "vec3", "env_eye_matrix*eye_reflect_dir", 0 },
  63         { FRAGMENT, "eye_reflect_dir", "vec3", "eye_tbn_matrix*tbn_reflect_dir", "n" },
  64         { FRAGMENT, "zzz_reflect_dir", "vec3", "reflect(zzz_incident_dir, n_zzz_normal)", 0 },
  65         { FRAGMENT, "l_shadow", "float", "mix(1.0, shadow_sample, shadow_darkness)", 0 },
  66         { FRAGMENT, "shadow_sample", "float", "shadow2D(shadow, shd_vertex).r", 0 },
  67         { FRAGMENT, "l_diffuse", "float", "max(dot(n_zzz_normal, n_zzz_light_dir), 0.0)", 0 },
  68         { FRAGMENT, "l_specular", "float", "pow(max(dot(n_zzz_half_vec, n_zzz_normal), 0.0), gl_FrontMaterial.shininess)", 0 },
  69         { FRAGMENT, "n_zzz_half_vec", "vec3", "normalize(zzz_light_dir-zzz_incident_dir)", 0 },
  70         { FRAGMENT, "n_zzz_light_dir", "vec3", "normalize(zzz_light_dir)", 0 },
  71         { FRAGMENT, "n_tbn_normal", "vec3", "normal_sample*2.0-1.0", "n" },
  72         { FRAGMENT, "n_eye_normal", "vec3", "normalize(eye_normal)", "!n" },
  73         { FRAGMENT, "normal_sample", "vec3", "texture2D(normalmap, texture_coord).xyz", "!c" },
  74         { FRAGMENT, "normal_sample", "vec3", "sample_normalmap(texture_coord)", "c" },
  75         { FRAGMENT, "tex_sample", "vec4", "texture2D(texture, texture_coord)", "!c" },
  76         { FRAGMENT, "tex_sample", "vec4", "sample_texture(texture_coord)", "c" },
  77
  78         { VERTEX, "gl_Position", 0, "gl_ProjectionMatrix*eye_vertex", 0 },
  79         { VERTEX, "shd_vertex", "vec3", "(eye_vertex*eye_shd_rmatrix).xyz", 0 },
  80         { VERTEX, "eye_shd_rmatrix", "mat4", "mat4(gl_EyePlaneS[shadow_unit], gl_EyePlaneT[shadow_unit], gl_EyePlaneR[shadow_unit], vec4(0.0, 0.0, 0.0, 1.0))", 0 },
  81         { VERTEX, "tbn_light_dir", "vec3", "eye_light_dir*eye_tbn_matrix", 0 },
  82         { VERTEX, "eye_light_dir", "vec3", "normalize(gl_LightSource[0].position.xyz-eye_vertex.xyz*gl_LightSource[0].position.w)", 0 },
  83         { VERTEX, "tbn_incident_dir", "vec3", "eye_incident_dir*eye_tbn_matrix", 0 },
  84         { VERTEX, "eye_incident_dir", "vec3", "normalize(eye_vertex.xyz)", 0 },
  85         { VERTEX, "eye_tbn_matrix", "mat3", "mat3(eye_tangent, eye_binormal, eye_normal)", 0 },
  86         { VERTEX, "eye_vertex", "vec4", "gl_ModelViewMatrix*gl_Vertex", "!r" },
  87         { VERTEX, "eye_vertex", "vec4", "transform_vertex(gl_Vertex)", "r" },
  88         { VERTEX, "eye_normal", "vec3", "gl_NormalMatrix*gl_Normal", "!r" },
  89         { VERTEX, "eye_normal", "vec3", "transform_normal(gl_Normal)", "r" },
  90         { VERTEX, "eye_tangent", "vec3", "gl_NormalMatrix*tangent", "!r" },
  91         { VERTEX, "eye_tangent", "vec3", "transform_normal(tangent)", "r" },
  92         { VERTEX, "eye_binormal", "vec3", "gl_NormalMatrix*binormal", "!r" },
  93         { VERTEX, "eye_binormal", "vec3", "transform_normal(binormal)", "r" },
  94         { VERTEX, "color", "vec4", "gl_Color", 0 },
  95         { VERTEX, "texture_coord", "vec2", "gl_MultiTexCoord0.xy", 0 },
  96
  97         { ATTRIBUTE, "tangent", "vec3", 0, 0 },
  98         { ATTRIBUTE, "binormal", "vec3", 0, 0 },
  99
 100         { UNIFORM, "shadow_unit", "int", 0, 0 },
 101         { UNIFORM, "texture", "sampler2D", 0, 0 },
 102         { UNIFORM, "shadow", "sampler2DShadow", 0, 0 },
 103         { UNIFORM, "shadow_darkness", "float", 0, 0 },
 104         { UNIFORM, "normalmap", "sampler2D", 0, 0 },
 105         { UNIFORM, "environment", "samplerCube", 0, 0 },
 106         { UNIFORM, "env_eye_matrix", "mat3", 0, 0 },
 107         { UNIFORM, "reflectivity", "float", 0, 0 },
 108
 109         // Terminator entry
 110         { NO_SCOPE,  0, 0, 0, 0 }
 111 };
 112
 113 ProgramBuilder::ProgramBuilder(const StandardFeatures &f):
 114         features(f),
 115         feature_flags(features.create_flags()),
 116         optimize(true)
 117 { }
 118
 119 void ProgramBuilder::set_optimize(bool o)
 120 {
 121         optimize = o;
 122 }
 123
 124 Program *ProgramBuilder::create_program() const
 125 {
 126         Program *prog = new Program;
 127         add_shaders(*prog);
 128         return prog;
 129 }
 130
 131 void ProgramBuilder::add_shaders(Program &prog) const
 132 {
 133         list<ShaderVariable> variables;
 134         list<ShaderVariable *> resolved_vars;
 135
 136         variables.push_front(ShaderVariable("gl_Position"));
 137         variables.push_front(ShaderVariable("gl_FragColor"));
 138
 139         for(const StandardVariable *i=standard_variables; i->name; ++i)
 140         {
 141                 // Skip over anything that isn't used with the supplied flags
 142                 if(i->flags && !evaluate_flags(i->flags))
 143                         continue;
 144
 145                 // See if this variable can satisfy any unresolved variables
 146                 ShaderVariable *last_resolved = 0;
 147                 for(list<ShaderVariable>::iterator j=variables.begin(); j!=variables.end(); ++j)
 148                 {
 149                         if(j->variable)
 150                                 continue;
 151
 152                         if(!name_match(i->name, j->resolved_name.c_str()))
 153                                 continue;
 154
 155                         if(last_resolved)
 156                         {
 157                                 /* We've already resolved a non-fuzzy variable in this iteration.
 158                                 If there are multiple variables that can be resolved, they refer
 159                                 to the same variable. */
 160                                 j->resolve(*last_resolved);
 161                                 continue;
 162                         }
 163
 164                         j->resolve(*i);
 165                         resolved_vars.push_front(&*j);
 166                         if(!j->fuzzy_space)
 167                                 last_resolved = &*j;
 168
 169                         if(!i->expression)
 170                                 continue;
 171
 172                         vector<string> identifiers = extract_identifiers(i->expression);
 173                         for(vector<string>::const_iterator k=identifiers.begin(); k!=identifiers.end(); ++k)
 174                         {
 175                                 // Use an existing variable if possible, but only if it's not fuzzy
 176                                 ShaderVariable *var = 0;
 177                                 for(list<ShaderVariable>::iterator l=variables.begin(); (!var && l!=variables.end()); ++l)
 178                                         if(!l->fuzzy_space && l->resolved_name==*k)
 179                                                 var = &*l;
 180
 181                                 if(!var)
 182                                 {
 183                                         variables.push_back(ShaderVariable(*k));
 184                                         var = &variables.back();
 185                                 }
 186                                 j->add_reference(*var);
 187                         }
 188                 }
 189         }
 190
 191         if(optimize)
 192         {
 193                 for(list<ShaderVariable *>::const_iterator i=resolved_vars.begin(); i!=resolved_vars.end(); ++i)
 194                         (*i)->check_inline();
 195         }
 196
 197         prog.attach_shader_owned(new VertexShader(create_source(resolved_vars, VERTEX)));
 198         prog.attach_shader_owned(new FragmentShader(create_source(resolved_vars, FRAGMENT)));
 199
 200         if(features.normalmap)
 201         {
 202                 prog.bind_attribute(get_component_type(TANGENT3), "tangent");
 203                 prog.bind_attribute(get_component_type(BINORMAL3), "binormal");
 204         }
 205 }
 206
 207 string ProgramBuilder::create_source(const list<ShaderVariable *> &variables, VariableScope scope) const
 208 {
 209         string source;
 210
 211         for(list<ShaderVariable *>::const_iterator i=variables.begin(); i!=variables.end(); ++i)
 212                 if((*i)->variable->scope==UNIFORM && (*i)->is_referenced_from(scope))
 213                         source += format("uniform %s %s;\n", (*i)->variable->type, (*i)->resolved_name);
 214
 215         if(scope==VERTEX)
 216         {
 217                 for(list<ShaderVariable *>::const_iterator i=variables.begin(); i!=variables.end(); ++i)
 218                         if((*i)->variable->scope==ATTRIBUTE)
 219                                 source += format("attribute %s %s;\n", (*i)->variable->type, (*i)->resolved_name);
 220         }
 221
 222         /* Any variables defined in vertex scope but referenced from fragment scope
 223         should be exported as varyings over the interface. */
 224         list<ShaderVariable *> varyings;
 225         for(list<ShaderVariable *>::const_iterator i=variables.begin(); i!=variables.end(); ++i)
 226                 if((*i)->variable->scope==VERTEX && (*i)->is_referenced_from(FRAGMENT))
 227                 {
 228                         varyings.push_back(*i);
 229                         source += format("varying %s v_%s;\n", (*i)->variable->type, (*i)->resolved_name);
 230                 }
 231
 232         if(scope==VERTEX && features.transform)
 233         {
 234                 // Add the prototypes here, until I come up with something better
 235                 source += "vec4 transform_vertex(vec4);\n";
 236                 source += "vec3 transform_normal(vec3);\n";
 237         }
 238         else if(scope==FRAGMENT && features.colorify)
 239         {
 240                 if(features.texture)
 241                         source += "vec4 sample_texture(vec2);\n";
 242                 if(features.normalmap)
 243                         source += "vec3 sample_normalmap(vec2);\n";
 244         }
 245
 246         source += "void main()\n{\n";
 247
 248         for(list<ShaderVariable *>::const_iterator i=variables.begin(); i!=variables.end(); ++i)
 249                 if((*i)->variable->scope==scope && !(*i)->inlined)
 250                 {
 251                         source += '\t';
 252                         if((*i)->variable->type)
 253                         {
 254                                 source += (*i)->variable->type;
 255                                 source += ' ';
 256                         }
 257                         source += format("%s = %s;\n", (*i)->resolved_name, (*i)->get_expression());
 258                 }
 259
 260         if(scope==VERTEX)
 261         {
 262                 for(list<ShaderVariable *>::const_iterator i=varyings.begin(); i!=varyings.end(); ++i)
 263                 {
 264                         if((*i)->inlined)
 265                                 source += format("\tv_%s = %s;\n", (*i)->resolved_name, (*i)->get_expression());
 266                         else
 267                                 source += format("\tv_%s = %s;\n", (*i)->resolved_name, (*i)->resolved_name);
 268                 }
 269         }
 270
 271         source += '}';
 272
 273         return source;
 274 }
 275
 276 bool ProgramBuilder::evaluate_flags(const char *flags) const
 277 {
 278         if(!flags)
 279                 return true;
 280
 281         bool cond = true;
 282         char oper = '&';
 283         for(const char *i=flags; *i; ++i)
 284         {
 285                 if(*i>='a' && *i<='z')
 286                 {
 287                         bool found = (feature_flags.find(*i)!=string::npos);
 288                         if(oper=='|')
 289                                 cond = (cond || found);
 290                         else if(oper=='!')
 291                                 cond = (cond && !found);
 292                         else if(oper=='&')
 293                                 cond = (cond && found);
 294                         oper = '&';
 295                 }
 296                 else
 297                         oper = *i;
 298         }
 299
 300         return cond;
 301 }
 302
 303 ProgramBuilder::MatchLevel ProgramBuilder::name_match(const char *n1, const char *n2, const char **space)
 304 {
 305         int i = 0;
 306         int zzz = -1;
 307         int zside = 0;
 308         while(*n1 && *n2)
 309         {
 310                 if(*n1==*n2 || *n1=='z' || *n2=='z')
 311                 {
 312                         if(*n1!=*n2)
 313                         {
 314                                 int side = (*n1=='z' ? 1 : 2);
 315                                 if(zzz<0)
 316                                 {
 317                                         zzz = i;
 318                                         zside = side;
 319                                         if(space)
 320                                         {
 321                                                 if(*n1=='z')
 322                                                         *space = n2;
 323                                                 else
 324                                                         *space = n1;
 325                                         }
 326                                 }
 327                                 else if(i>=zzz+3 || side!=zside)
 328                                         return NO_MATCH;
 329                         }
 330                 }
 331                 else
 332                         return NO_MATCH;
 333                 ++n1;
 334                 ++n2;
 335                 ++i;
 336         }
 337         return (!*n1 && !*n2) ? zzz>=0 ? FUZZY : EXACT : NO_MATCH;
 338 }
 339
 340 bool ProgramBuilder::parse_identifier(const char *ptr, unsigned &start, unsigned &length)
 341 {
 342         bool found = false;
 343         bool member = false;
 344         for(const char *i=ptr;; ++i)
 345         {
 346                 if(!found)
 347                 {
 348                         if(!*i)
 349                                 return false;
 350                         if(isalpha(*i) || *i=='_')
 351                         {
 352                                 if(!member)
 353                                 {
 354                                         start = i-ptr;
 355                                         found = true;
 356                                 }
 357                         }
 358                         else if(*i=='.')
 359                                 member = true;
 360                         else
 361                                 member = false;
 362                 }
 363                 else
 364                 {
 365                         if(!isalnum(*i) && *i!='_')
 366                         {
 367                                 length = i-(ptr+start);
 368                                 return true;
 369                         }
 370                 }
 371         }
 372 }
 373
 374 vector<string> ProgramBuilder::extract_identifiers(const char *expression)
 375 {
 376         vector<string> result;
 377         const char *ptr = expression;
 378         unsigned start = 0;
 379         unsigned length = 0;
 380         while(parse_identifier(ptr, start, length))
 381         {
 382                 result.push_back(string(ptr+start, length));
 383                 ptr += start+length;
 384         }
 385         return result;
 386 }
 387
 388 string ProgramBuilder::replace_identifiers(const char *expression, const map<string, string> &replace_map)
 389 {
 390         string result;
 391         const char *ptr = expression;
 392         unsigned start = 0;
 393         unsigned length = 0;
 394         while(parse_identifier(ptr, start, length))
 395         {
 396                 result.append(ptr, start);
 397                 string identifier(ptr+start, length);
 398                 map<string, string>::const_iterator i = replace_map.find(identifier);
 399                 if(i!=replace_map.end())
 400                         result += i->second;
 401                 else
 402                         result += identifier;
 403                 ptr += start+length;
 404         }
 405         result += ptr;
 406         return result;
 407 }
 408
 409
 410 ProgramBuilder::StandardFeatures::StandardFeatures():
 411         texture(false),
 412         material(false),
 413         lighting(false),
 414         specular(false),
 415         normalmap(false),
 416         shadow(false),
 417         reflection(false),
 418         transform(false),
 419         colorify(false)
 420 { }
 421
 422 string ProgramBuilder::StandardFeatures::create_flags() const
 423 {
 424         string flags;
 425         if(texture)
 426                 flags += 't';
 427         if(material)
 428                 flags += 'm';
 429         if(lighting)
 430         {
 431                 flags += 'l';
 432                 if(specular)
 433                         flags += 'p';
 434                 if(normalmap)
 435                         flags += 'n';
 436         }
 437         if(shadow)
 438                 flags += 's';
 439         if(reflection)
 440                 flags += 'e';
 441         if(transform)
 442                 flags += 'r';
 443         if(colorify)
 444                 flags += 'c';
 445
 446         return flags;
 447 }
 448
 449
 450 ProgramBuilder::ShaderVariable::ShaderVariable(const std::string &n):
 451         name(n),
 452         variable(0),
 453         resolved_name(n),
 454         fuzzy_space(name.find("zzz")!=string::npos),
 455         inlined(false),
 456         inline_parens(false)
 457 { }
 458
 459 void ProgramBuilder::ShaderVariable::resolve(const StandardVariable &var)
 460 {
 461         variable = &var;
 462         const char *space = 0;
 463         if(name_match(var.name, resolved_name.c_str(), &space)==FUZZY)
 464                 resolve_space(string(space, 3));
 465 }
 466
 467 void ProgramBuilder::ShaderVariable::resolve(ShaderVariable &var)
 468 {
 469         for(list<ShaderVariable *>::iterator i=referenced_by.begin(); i!=referenced_by.end(); ++i)
 470                 (*i)->update_reference(*this, var);
 471         var.referenced_by.insert(var.referenced_by.end(), referenced_by.begin(), referenced_by.end());
 472 }
 473
 474 void ProgramBuilder::ShaderVariable::resolve_space(const string &space)
 475 {
 476         if(fuzzy_space)
 477         {
 478                 resolved_space = space;
 479
 480                 string::size_type zzz = resolved_name.find("zzz");
 481                 resolved_name.replace(zzz, 3, resolved_space);
 482                 fuzzy_space = false;
 483
 484                 // Resolving the space could have affected other variables that use this one
 485                 for(list<ShaderVariable *>::iterator i=referenced_by.begin(); i!=referenced_by.end(); ++i)
 486                         (*i)->resolve_space(space);
 487         }
 488
 489         for(list<ShaderVariable *>::iterator i=referenced_vars.begin(); i!=referenced_vars.end(); ++i)
 490                 if((*i)->fuzzy_space)
 491                         (*i)->resolve_space(space);
 492 }
 493
 494 void ProgramBuilder::ShaderVariable::add_reference(ShaderVariable &var)
 495 {
 496         referenced_vars.push_back(&var);
 497         var.referenced_by.push_back(this);
 498         if(var.fuzzy_space && !resolved_space.empty())
 499                 var.resolve_space(resolved_space);
 500 }
 501
 502 void ProgramBuilder::ShaderVariable::update_reference(ShaderVariable &from, ShaderVariable &to)
 503 {
 504         replace(referenced_vars.begin(), referenced_vars.end(), &from, &to);
 505         replace(referenced_by.begin(), referenced_by.end(), &from, &to);
 506         if(from.fuzzy_space && !to.fuzzy_space && !to.resolved_space.empty())
 507                 resolve_space(to.resolved_space);
 508 }
 509
 510 void ProgramBuilder::ShaderVariable::check_inline()
 511 {
 512         if(variable->expression)
 513         {
 514                 unsigned total_refs = referenced_by.size();
 515                 unsigned in_scope_refs = 0;
 516                 for(list<ShaderVariable *>::const_iterator i=referenced_by.begin(); i!=referenced_by.end(); ++i)
 517                         if((*i)->variable->scope==variable->scope)
 518                                 ++in_scope_refs;
 519                 if(total_refs==1 || (total_refs>0 && in_scope_refs==0))
 520                 {
 521                         inlined = true;
 522                         unsigned level = 0;
 523                         for(const char *c=variable->expression; (!inline_parens && *c); ++c)
 524                         {
 525                                 if(*c=='(')
 526                                         ++level;
 527                                 else if(*c==')')
 528                                         --level;
 529                                 else if(level==0 && !isalnum(*c) && *c!='_' && *c!='.')
 530                                         inline_parens = true;
 531                         }
 532                 }
 533         }
 534 }
 535
 536 bool ProgramBuilder::ShaderVariable::is_referenced_from(VariableScope scope) const
 537 {
 538         for(list<ShaderVariable *>::const_iterator i=referenced_by.begin(); i!=referenced_by.end(); ++i)
 539                 if((*i)->variable->scope==scope)
 540                         return true;
 541         return false;
 542 }
 543
 544 string ProgramBuilder::ShaderVariable::get_expression() const
 545 {
 546         map<string, string> replace_map;
 547         for(list<ShaderVariable *>::const_iterator i=referenced_vars.begin(); i!=referenced_vars.end(); ++i)
 548                 if((*i)->variable)
 549                 {
 550                         string replacement = (*i)->resolved_name;
 551                         if(variable->scope==FRAGMENT && (*i)->variable->scope==VERTEX)
 552                                 replacement = "v_"+replacement;
 553                         else if((*i)->inlined)
 554                         {
 555                                 replacement = (*i)->get_expression();
 556                                 if((*i)->inline_parens)
 557                                         replacement = "("+replacement+")";
 558                         }
 559                         if(replacement!=(*i)->name)
 560                                 replace_map[(*i)->name] = replacement;
 561                 }
 562
 563         if(replace_map.empty())
 564                 return variable->expression;
 565         else
 566                 return replace_identifiers(variable->expression, replace_map);
 567 }
 568
 569
 570 ProgramBuilder::StandardFeatures::Loader::Loader(StandardFeatures &f):
 571         DataFile::ObjectLoader<StandardFeatures>(f)
 572 {
 573         add("colorify",  &StandardFeatures::colorify);
 574         add("lighting",  &StandardFeatures::lighting);
 575         add("material",  &StandardFeatures::material);
 576         add("normalmap", &StandardFeatures::normalmap);
 577         add("reflection", &StandardFeatures::reflection);
 578         add("shadow",    &StandardFeatures::shadow);
 579         add("specular",  &StandardFeatures::specular);
 580         add("texture",   &StandardFeatures::texture);
 581         add("transform", &StandardFeatures::transform);
 582 }
 583
 584 } // namespace GL
 585 } // namespace Msp