source/render/programdata.cpp

   1 #include <msp/core/maputils.h>
   2 #include <msp/debug/demangle.h>
   3 #include <msp/gl/extensions/arb_direct_state_access.h>
   4 #include <msp/io/print.h>
   5 #include "buffer.h"
   6 #include "color.h"
   7 #include "error.h"
   8 #include "matrix.h"
   9 #include "program.h"
  10 #include "programdata.h"
  11 #include "uniform.h"
  12 #include "uniformblock.h"
  13 #include "vector.h"
  14
  15 using namespace std;
  16
  17 namespace Msp {
  18 namespace GL {
  19
  20 ProgramData::ProgramData(const Program *p):
  21         tied_program(p),
  22         last_block(0),
  23         buffer(0),
  24         dirty(0)
  25 { }
  26
  27 // Blocks are intentionally left uncopied
  28 ProgramData::ProgramData(const ProgramData &other):
  29         tied_program(other.tied_program),
  30         uniforms(other.uniforms),
  31         last_block(0),
  32         buffer(0),
  33         dirty(0)
  34 {
  35         for(vector<NamedUniform>::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
  36                 i->value = i->value->clone();
  37 }
  38
  39 ProgramData::ProgramData(const ProgramData &other, const Program *p):
  40         tied_program(p),
  41         last_block(0),
  42         buffer(0),
  43         dirty(0)
  44 {
  45         if(tied_program)
  46         {
  47                 for(vector<NamedUniform>::const_iterator i=other.uniforms.begin(); i!=other.uniforms.end(); ++i)
  48                         tied_program->get_uniform_info(i->name);
  49         }
  50
  51         uniforms = other.uniforms;
  52         for(vector<NamedUniform>::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
  53                 i->value = i->value->clone();
  54 }
  55
  56 ProgramData &ProgramData::operator=(const ProgramData &other)
  57 {
  58         tied_program = other.tied_program;
  59
  60         uniforms = other.uniforms;
  61         for(vector<NamedUniform>::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
  62                 i->value = i->value->clone();
  63
  64         for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
  65                 delete i->second.block;
  66         programs.clear();
  67
  68         last_block = 0;
  69         buffer = 0;
  70         dirty = 0;
  71
  72         return *this;
  73 }
  74
  75 ProgramData::~ProgramData()
  76 {
  77         for(vector<NamedUniform>::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
  78                 delete i->value;
  79         for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
  80         {
  81                 if(i->second.indices.type_flag==0xFE)
  82                         delete i->second.indices.dynamic.values;
  83                 delete i->second.block;
  84         }
  85         delete buffer;
  86 }
  87
  88 void ProgramData::uniform(const string &name, Uniform *uni)
  89 {
  90         try
  91         {
  92                 if(!validate_name(name))
  93                 {
  94                         delete uni;
  95                         return;
  96                 }
  97         }
  98         catch(...)
  99         {
 100                 delete uni;
 101                 throw;
 102         }
 103
 104         int i = find_uniform_index(name);
 105         if(i<0)
 106                 return add_uniform(name, uni);
 107
 108         uniforms[i].replace_value(uni);
 109         dirty |= 1<<i;
 110 }
 111
 112 template<typename T, typename V>
 113 void ProgramData::uniform(const string &name, V value)
 114 {
 115         if(!validate_name(name))
 116                 return;
 117
 118         int i = find_uniform_index(name);
 119         if(i<0)
 120                 return add_uniform(name, new T(value));
 121
 122         if(T *uni = dynamic_cast<T *>(uniforms[i].value))
 123                 uni->set(value);
 124         else
 125                 uniforms[i].replace_value(new T(value));
 126
 127         dirty |= 1<<i;
 128 }
 129
 130 template<typename T, typename V>
 131 void ProgramData::uniform_array(const string &name, unsigned n, V value)
 132 {
 133         if(!validate_name(name))
 134                 return;
 135
 136         int i = find_uniform_index(name);
 137         if(i<0)
 138                 return add_uniform(name, new UniformArray<T>(n, value));
 139
 140         UniformArray<T> *uni = dynamic_cast<UniformArray<T> *>(uniforms[i].value);
 141         if(uni && n==uni->size())
 142                 uni->set(value);
 143         else
 144                 uniforms[i].replace_value(new UniformArray<T>(n, value));
 145
 146         dirty |= 1<<i;
 147 }
 148
 149 bool ProgramData::validate_name(const string &name) const
 150 {
 151 #ifdef DEBUG
 152         try
 153 #endif
 154         {
 155                 if(tied_program)
 156                         tied_program->get_uniform_info(name);
 157                 else if(name[name.size()-1]==']')
 158                         throw invalid_argument("ProgramData::uniform");
 159                 return true;
 160         }
 161 #ifdef DEBUG
 162         catch(const exception &e)
 163         {
 164                 IO::print(IO::cerr, "Error while setting uniform %s: %s: %s\n", name, Debug::demangle(typeid(e).name()), e.what());
 165                 return false;
 166         }
 167 #endif
 168 }
 169
 170 void ProgramData::add_uniform(const string &name, Uniform *uni)
 171 {
 172         if(uniforms.size()>=MASK_BITS)
 173         {
 174                 delete uni;
 175                 throw too_many_uniforms(name);
 176         }
 177
 178         vector<NamedUniform>::iterator j = lower_bound(uniforms.begin(), uniforms.end(), name, uniform_name_compare);
 179
 180         NamedUniform nu;
 181         nu.name = name;
 182         nu.value = uni;
 183         uniforms.insert(j, nu);
 184
 185         dirty = ALL_ONES;
 186 }
 187
 188 void ProgramData::uniform(const string &name, const Uniform &u)
 189 {
 190         uniform(name, u.clone());
 191 }
 192
 193 void ProgramData::uniform(const string &name, int v)
 194 {
 195         uniform<Uniform1i>(name, v);
 196 }
 197
 198 void ProgramData::uniform(const string &name, float v)
 199 {
 200         uniform<Uniform1f>(name, v);
 201 }
 202
 203 void ProgramData::uniform(const string &name, int v0, int v1)
 204 {
 205         int va[2] = { v0, v1 };
 206         uniform2(name, va);
 207 }
 208
 209 void ProgramData::uniform(const string &name, float v0, float v1)
 210 {
 211         float va[2] = { v0, v1 };
 212         uniform2(name, va);
 213 }
 214
 215 void ProgramData::uniform2(const string &name, const int *v)
 216 {
 217         uniform<Uniform2i>(name, v);
 218 }
 219
 220 void ProgramData::uniform2(const string &name, const float *v)
 221 {
 222         uniform<Uniform2f>(name, v);
 223 }
 224
 225 void ProgramData::uniform(const string &name, int v0, int v1, int v2)
 226 {
 227         int va[3] = { v0, v1, v2 };
 228         uniform3(name, va);
 229 }
 230
 231 void ProgramData::uniform(const string &name, float v0, float v1, float v2)
 232 {
 233         float va[3] = { v0, v1, v2 };
 234         uniform3(name, va);
 235 }
 236
 237 void ProgramData::uniform(const string &name, const Vector3 &v)
 238 {
 239         uniform(name, v.x, v.y, v.z);
 240 }
 241
 242 void ProgramData::uniform3(const string &name, const int *v)
 243 {
 244         uniform<Uniform3i>(name, v);
 245 }
 246
 247 void ProgramData::uniform3(const string &name, const float *v)
 248 {
 249         uniform<Uniform3f>(name, v);
 250 }
 251
 252 void ProgramData::uniform(const string &name, int v0, int v1, int v2, int v3)
 253 {
 254         int va[4] = { v0, v1, v2, v3 };
 255         uniform4(name, va);
 256 }
 257
 258 void ProgramData::uniform(const string &name, float v0, float v1, float v2, float v3)
 259 {
 260         float va[4] = { v0, v1, v2, v3 };
 261         uniform4(name, va);
 262 }
 263
 264 void ProgramData::uniform(const string &name, const Vector4 &v)
 265 {
 266         uniform(name, v.x, v.y, v.z, v.w);
 267 }
 268
 269 void ProgramData::uniform(const string &name, const Color &c)
 270 {
 271         uniform(name, c.r, c.g, c.b, c.a);
 272 }
 273
 274 void ProgramData::uniform4(const string &name, const int *v)
 275 {
 276         uniform<Uniform4i>(name, v);
 277 }
 278
 279 void ProgramData::uniform4(const string &name, const float *v)
 280 {
 281         uniform<Uniform4f>(name, v);
 282 }
 283
 284 void ProgramData::uniform(const string &name, const LinAl::Matrix<float, 2, 2> &m)
 285 {
 286         uniform_matrix2(name, &m(0, 0));
 287 }
 288
 289 void ProgramData::uniform_matrix2(const string &name, const float *v)
 290 {
 291         uniform<UniformMatrix2x2f>(name, v);
 292 }
 293
 294 void ProgramData::uniform(const string &name, const LinAl::Matrix<float, 2, 3> &m)
 295 {
 296         uniform_matrix3x2(name, &m(0, 0));
 297 }
 298
 299 void ProgramData::uniform_matrix3x2(const string &name, const float *v)
 300 {
 301         uniform<UniformMatrix3x2f>(name, v);
 302 }
 303
 304 void ProgramData::uniform(const string &name, const LinAl::Matrix<float, 2, 4> &m)
 305 {
 306         uniform_matrix4x2(name, &m(0, 0));
 307 }
 308
 309 void ProgramData::uniform_matrix4x2(const string &name, const float *v)
 310 {
 311         uniform<UniformMatrix4x2f>(name, v);
 312 }
 313
 314 void ProgramData::uniform(const string &name, const LinAl::Matrix<float, 3, 2> &m)
 315 {
 316         uniform_matrix2x3(name, &m(0, 0));
 317 }
 318
 319 void ProgramData::uniform_matrix2x3(const string &name, const float *v)
 320 {
 321         uniform<UniformMatrix2x3f>(name, v);
 322 }
 323
 324 void ProgramData::uniform(const string &name, const LinAl::Matrix<float, 3, 3> &m)
 325 {
 326         uniform_matrix3(name, &m(0, 0));
 327 }
 328
 329 void ProgramData::uniform_matrix3(const string &name, const float *v)
 330 {
 331         uniform<UniformMatrix3x3f>(name, v);
 332 }
 333
 334 void ProgramData::uniform(const string &name, const LinAl::Matrix<float, 3, 4> &m)
 335 {
 336         uniform_matrix4x3(name, &m(0, 0));
 337 }
 338
 339 void ProgramData::uniform_matrix4x3(const string &name, const float *v)
 340 {
 341         uniform<UniformMatrix4x3f>(name, v);
 342 }
 343
 344 void ProgramData::uniform(const string &name, const LinAl::Matrix<float, 4, 2> &m)
 345 {
 346         uniform_matrix2x4(name, &m(0, 0));
 347 }
 348
 349 void ProgramData::uniform_matrix2x4(const string &name, const float *v)
 350 {
 351         uniform<UniformMatrix2x4f>(name, v);
 352 }
 353
 354 void ProgramData::uniform(const string &name, const LinAl::Matrix<float, 4, 3> &m)
 355 {
 356         uniform_matrix3x4(name, &m(0, 0));
 357 }
 358
 359 void ProgramData::uniform_matrix3x4(const string &name, const float *v)
 360 {
 361         uniform<UniformMatrix3x4f>(name, v);
 362 }
 363
 364 void ProgramData::uniform(const string &name, const Matrix &m)
 365 {
 366         uniform_matrix4(name, m.data());
 367 }
 368
 369 void ProgramData::uniform_matrix4(const string &name, const float *v)
 370 {
 371         uniform<UniformMatrix4x4f>(name, v);
 372 }
 373
 374 void ProgramData::uniform1_array(const string &name, unsigned n, const int *v)
 375 {
 376         uniform_array<Uniform1i>(name, n, v);
 377 }
 378
 379 void ProgramData::uniform1_array(const string &name, unsigned n, const float *v)
 380 {
 381         uniform_array<Uniform1f>(name, n, v);
 382 }
 383
 384 void ProgramData::uniform2_array(const string &name, unsigned n, const int *v)
 385 {
 386         uniform_array<Uniform2i>(name, n, v);
 387 }
 388
 389 void ProgramData::uniform2_array(const string &name, unsigned n, const float *v)
 390 {
 391         uniform_array<Uniform2f>(name, n, v);
 392 }
 393
 394 void ProgramData::uniform3_array(const string &name, unsigned n, const int *v)
 395 {
 396         uniform_array<Uniform3i>(name, n, v);
 397 }
 398
 399 void ProgramData::uniform3_array(const string &name, unsigned n, const float *v)
 400 {
 401         uniform_array<Uniform3f>(name, n, v);
 402 }
 403
 404 void ProgramData::uniform4_array(const string &name, unsigned n, const int *v)
 405 {
 406         uniform_array<Uniform4i>(name, n, v);
 407 }
 408
 409 void ProgramData::uniform4_array(const string &name, unsigned n, const float *v)
 410 {
 411         uniform_array<Uniform4f>(name, n, v);
 412 }
 413
 414 void ProgramData::uniform_matrix2_array(const string &name, unsigned n, const float *v)
 415 {
 416         uniform_array<UniformMatrix2x2f>(name, n, v);
 417 }
 418
 419 void ProgramData::uniform_matrix3x2_array(const string &name, unsigned n, const float *v)
 420 {
 421         uniform_array<UniformMatrix3x2f>(name, n, v);
 422 }
 423
 424 void ProgramData::uniform_matrix4x2_array(const string &name, unsigned n, const float *v)
 425 {
 426         uniform_array<UniformMatrix4x2f>(name, n, v);
 427 }
 428
 429 void ProgramData::uniform_matrix2x3_array(const string &name, unsigned n, const float *v)
 430 {
 431         uniform_array<UniformMatrix2x3f>(name, n, v);
 432 }
 433
 434 void ProgramData::uniform_matrix3_array(const string &name, unsigned n, const float *v)
 435 {
 436         uniform_array<UniformMatrix3x3f>(name, n, v);
 437 }
 438
 439 void ProgramData::uniform_matrix4x3_array(const string &name, unsigned n, const float *v)
 440 {
 441         uniform_array<UniformMatrix4x3f>(name, n, v);
 442 }
 443
 444 void ProgramData::uniform_matrix2x4_array(const string &name, unsigned n, const float *v)
 445 {
 446         uniform_array<UniformMatrix2x4f>(name, n, v);
 447 }
 448
 449 void ProgramData::uniform_matrix3x4_array(const string &name, unsigned n, const float *v)
 450 {
 451         uniform_array<UniformMatrix3x4f>(name, n, v);
 452 }
 453
 454 void ProgramData::uniform_matrix4_array(const string &name, unsigned n, const float *v)
 455 {
 456         uniform_array<UniformMatrix4x4f>(name, n, v);
 457 }
 458
 459 void ProgramData::remove_uniform(const string &name)
 460 {
 461         vector<NamedUniform>::const_iterator i = lower_bound(uniforms.begin(), uniforms.end(), name, uniform_name_compare);
 462         if(i==uniforms.end() || i->name!=name)
 463                 return;
 464
 465         delete i->value;
 466         uniforms.erase(i);
 467
 468         dirty = ALL_ONES;
 469 }
 470
 471 vector<string> ProgramData::get_uniform_names() const
 472 {
 473         vector<string> names;
 474         names.reserve(uniforms.size());
 475         for(vector<NamedUniform>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
 476                 names.push_back(i->name);
 477         return names;
 478 }
 479
 480 const Uniform &ProgramData::get_uniform(const string &name) const
 481 {
 482         int i = find_uniform_index(name);
 483         if(i<0)
 484                 throw key_error(name);
 485         return *uniforms[i].value;
 486 }
 487
 488 const Uniform *ProgramData::find_uniform(const string &name) const
 489 {
 490         int i = find_uniform_index(name);
 491         return (i>=0 ? uniforms[i].value : 0);
 492 }
 493
 494 bool ProgramData::uniform_name_compare(const NamedUniform &nu, const string &name)
 495 {
 496         return nu.name<name;
 497 }
 498
 499 int ProgramData::find_uniform_index(const string &name) const
 500 {
 501         vector<NamedUniform>::const_iterator i = lower_bound(uniforms.begin(), uniforms.end(), name, uniform_name_compare);
 502         return ((i!=uniforms.end() && i->name==name) ? i-uniforms.begin() : -1);
 503 }
 504
 505 void ProgramData::update_block_uniform_indices(SharedBlock &block, const Program::UniformBlockInfo &info) const
 506 {
 507         UInt8 *indices = block.indices.values;
 508         if(info.uniforms.size()>16)
 509         {
 510                 if(block.indices.type_flag==0xFD)
 511                 {
 512                         block.indices.dynamic.values = new UInt8[info.uniforms.size()];
 513                         block.indices.type_flag = 0xFE;
 514                 }
 515                 indices = block.indices.dynamic.values;
 516         }
 517
 518         block.used = 0;
 519         for(unsigned i=0; i<info.uniforms.size(); ++i)
 520         {
 521                 int j = find_uniform_index(info.uniforms[i]->name);
 522                 if(j>=0)
 523                 {
 524                         indices[i] = j;
 525                         if(static_cast<unsigned>(j)<MASK_BITS)
 526                                 block.used |= 1<<j;
 527                 }
 528                 else
 529                         indices[i] = 0xFF;
 530         }
 531
 532         block.dirty = block.used;
 533 }
 534
 535 void ProgramData::update_block(SharedBlock &block, const Program::UniformBlockInfo &info) const
 536 {
 537         const UInt8 *indices = block.get_uniform_indices();
 538         for(unsigned i=0; i<info.uniforms.size(); ++i)
 539                 if(indices[i]!=0xFF)
 540                         block.block->attach(*info.uniforms[i], *uniforms[indices[i]].value);
 541 }
 542
 543 ProgramData::SharedBlock *ProgramData::get_shared_block(const Program::UniformBlockInfo &info) const
 544 {
 545         BlockMap::iterator i = blocks.find(info.layout_hash);
 546         if(i==blocks.end())
 547         {
 548                 bool any_found = false;
 549                 bool all_found = true;
 550                 for(vector<const Program::UniformInfo *>::const_iterator j=info.uniforms.begin(); j!=info.uniforms.end(); ++j)
 551                 {
 552                         if(find_uniform_index((*j)->name)>=0)
 553                                 any_found = true;
 554                         else
 555                                 all_found = false;
 556                 }
 557
 558                 if(!any_found)
 559                         return 0;
 560                 else if(!all_found && info.bind_point>=0)
 561                 {
 562 #ifdef DEBUG
 563                         IO::print(IO::cerr, "Warning: not all uniforms for block %s are present\n", info.name);
 564 #else
 565                         throw incomplete_uniform_block(info.name);
 566 #endif
 567                 }
 568
 569                 UniformBlock *block;
 570                 if(info.bind_point>=0)
 571                 {
 572                         if(!buffer)
 573                                 buffer = new Buffer(UNIFORM_BUFFER);
 574
 575                         block = new UniformBlock(info.data_size);
 576                         block->use_buffer(buffer, last_block);
 577                         last_block = block;
 578                 }
 579                 else
 580                         block = new UniformBlock;
 581
 582                 i = blocks.insert(BlockMap::value_type(info.layout_hash, SharedBlock(block))).first;
 583                 update_block_uniform_indices(i->second, info);
 584         }
 585
 586         return &i->second;
 587 }
 588
 589 void ProgramData::apply() const
 590 {
 591         const Program *prog = Program::current();
 592         if(!prog)
 593                 throw invalid_operation("ProgramData::apply");
 594
 595         Program::LayoutHash layout = prog->get_uniform_layout_hash();
 596         ProgramUniforms &pu = programs[layout];
 597
 598         Mask force_dirty = (dirty==ALL_ONES ? ALL_ONES : 0U);
 599         Mask affected = (dirty&pu.used) | force_dirty;
 600         if(affected|pu.dirty)
 601         {
 602                 /* If the global dirty flag affects this program, add it to per-program
 603                 dirty flags and clear the global flag.  A previously unseen program will
 604                 cause this to happen if there's any dirty uniforms. */
 605                 if(affected)
 606                 {
 607                         for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
 608                                 i->second.dirty |= (dirty&i->second.used) | force_dirty;
 609                         for(ProgramMap::iterator i=programs.begin(); i!=programs.end(); ++i)
 610                                 i->second.dirty |= (dirty&i->second.used) | force_dirty;
 611                         dirty = 0;
 612                 }
 613
 614                 const Program::UniformBlockMap &prog_blocks = prog->get_uniform_blocks();
 615
 616                 UniformBlock *old_last_block = last_block;
 617                 if(pu.dirty==ALL_ONES)
 618                 {
 619                         /* The set of uniforms has changed since this program was last used.
 620                         Regenerate the list of uniform blocks. */
 621                         pu.blocks.clear();
 622                         pu.blocks.reserve(prog_blocks.size());
 623
 624                         pu.used = 0;
 625                         for(Program::UniformBlockMap::const_iterator i=prog_blocks.begin(); i!=prog_blocks.end(); ++i)
 626                         {
 627                                 SharedBlock *shared = get_shared_block(i->second);
 628                                 if(shared)
 629                                 {
 630                                         if(shared->dirty==ALL_ONES)
 631                                                 update_block_uniform_indices(*shared, i->second);
 632                                         pu.used |= shared->used;
 633                                 }
 634
 635                                 pu.blocks.push_back(ProgramBlock(i->second.bind_point, shared));
 636                         }
 637                 }
 638
 639                 // Update the contents of all dirty blocks.
 640                 bool buffered_blocks_updated = false;
 641                 std::vector<ProgramBlock>::iterator j = pu.blocks.begin();
 642                 for(Program::UniformBlockMap::const_iterator i=prog_blocks.begin(); i!=prog_blocks.end(); ++i, ++j)
 643                 {
 644                         if(!j->shared || !j->shared->dirty)
 645                                 continue;
 646
 647                         update_block(*j->shared, i->second);
 648                         j->shared->dirty = 0;
 649                         buffered_blocks_updated |= (j->bind_point>=0);
 650                 }
 651
 652                 pu.dirty = 0;
 653
 654                 /* If any blocks stored in the buffer were updated, bind the buffer here
 655                 to avoid state thrashing. */
 656                 if(buffered_blocks_updated && !ARB_direct_state_access)
 657                         buffer->bind();
 658
 659                 if(last_block!=old_last_block)
 660                 {
 661                         unsigned required_size = last_block->get_required_buffer_size();
 662                         if(last_block->get_required_buffer_size()>buffer->get_size())
 663                         {
 664                                 if(buffer->get_size()>0)
 665                                 {
 666                                         delete buffer;
 667                                         buffer = new Buffer(UNIFORM_BUFFER);
 668                                         last_block->change_buffer(buffer);
 669                                 }
 670
 671                                 buffer->storage(required_size);
 672                         }
 673                 }
 674         }
 675
 676         for(vector<ProgramBlock>::iterator i=pu.blocks.begin(); i!=pu.blocks.end(); ++i)
 677                 if(i->block)
 678                         i->block->apply(i->bind_point);
 679 }
 680
 681
 682 ProgramData::NamedUniform::NamedUniform():
 683         value(0)
 684 { }
 685
 686 void ProgramData::NamedUniform::replace_value(Uniform *v)
 687 {
 688         /* UniformBlock does not copy the uniforms, so existing default blocks
 689         will be left with stale pointers.  This is not a problem as long as no
 690         one stores pointers to the blocks and expects them to stay valid. */
 691         delete value;
 692         value = v;
 693 }
 694
 695
 696 ProgramData::SharedBlock::SharedBlock(UniformBlock *b):
 697         used(0),
 698         dirty(0),
 699         block(b)
 700 {
 701         indices.type_flag = 0xFD;
 702 }
 703
 704 const UInt8 *ProgramData::SharedBlock::get_uniform_indices() const
 705 {
 706         return (indices.type_flag==0xFE ? indices.dynamic.values : indices.values);
 707 }
 708
 709
 710 ProgramData::ProgramBlock::ProgramBlock():
 711         bind_point(-1),
 712         block(0),
 713         shared(0)
 714 { }
 715
 716 ProgramData::ProgramBlock::ProgramBlock(int p, SharedBlock *b):
 717         bind_point(p),
 718         block((b && b->used) ? b->block : 0),
 719         shared(b)
 720 { }
 721
 722
 723 ProgramData::ProgramUniforms::ProgramUniforms():
 724         used(ALL_ONES),
 725         dirty(ALL_ONES)
 726 { }
 727
 728
 729 ProgramData::Loader::Loader(ProgramData &pd):
 730         DataFile::ObjectLoader<ProgramData>(pd)
 731 {
 732         add("uniform", &Loader::uniform1i);
 733         add("uniform1i", &Loader::uniform1i);
 734         add("uniform", &Loader::uniform1f);
 735         add("uniform1f", &Loader::uniform1f);
 736         add("uniform", &Loader::uniform2i);
 737         add("uniform2i", &Loader::uniform2i);
 738         add("uniform", &Loader::uniform2f);
 739         add("uniform2f", &Loader::uniform2f);
 740         add("uniform", &Loader::uniform3i);
 741         add("uniform3i", &Loader::uniform3i);
 742         add("uniform", &Loader::uniform3f);
 743         add("uniform3f", &Loader::uniform3f);
 744         add("uniform", &Loader::uniform4i);
 745         add("uniform4i", &Loader::uniform4i);
 746         add("uniform", &Loader::uniform4f);
 747         add("uniform4f", &Loader::uniform4f);
 748         add("uniform1i_array", &Loader::uniform1i_array);
 749         add("uniform1f_array", &Loader::uniform1f_array);
 750         add("uniform2f_array", &Loader::uniform2f_array);
 751         add("uniform3f_array", &Loader::uniform3f_array);
 752         add("uniform4f_array", &Loader::uniform4f_array);
 753         add("uniform_array", &Loader::uniform_array);
 754 }
 755
 756 void ProgramData::Loader::uniform1i(const string &n, int v)
 757 {
 758         obj.uniform(n, v);
 759 }
 760
 761 void ProgramData::Loader::uniform1f(const string &n, float v)
 762 {
 763         obj.uniform(n, v);
 764 }
 765
 766 void ProgramData::Loader::uniform2i(const string &n, int v0, int v1)
 767 {
 768         obj.uniform(n, v0, v1);
 769 }
 770
 771 void ProgramData::Loader::uniform2f(const string &n, float v0, float v1)
 772 {
 773         obj.uniform(n, v0, v1);
 774 }
 775
 776 void ProgramData::Loader::uniform3i(const string &n, int v0, int v1, int v2)
 777 {
 778         obj.uniform(n, v0, v1, v2);
 779 }
 780
 781 void ProgramData::Loader::uniform3f(const string &n, float v0, float v1, float v2)
 782 {
 783         obj.uniform(n, v0, v1, v2);
 784 }
 785
 786 void ProgramData::Loader::uniform4i(const string &n, int v0, int v1, int v2, int v3)
 787 {
 788         obj.uniform(n, v0, v1, v2, v3);
 789 }
 790
 791 void ProgramData::Loader::uniform4f(const string &n, float v0, float v1, float v2, float v3)
 792 {
 793         obj.uniform(n, v0, v1, v2, v3);
 794 }
 795
 796 void ProgramData::Loader::uniform_array_(const string &n, DataType t, unsigned e)
 797 {
 798         ArrayLoader ldr(t, e);
 799         load_sub_with(ldr);
 800         unsigned size = ldr.get_size();
 801         if(!size)
 802                 throw logic_error("empty uniform array");
 803
 804         DataType type = ldr.get_data_type();
 805         unsigned elem_size = ldr.get_element_size();
 806         if(type==INT)
 807         {
 808                 const int *data = reinterpret_cast<const int *>(ldr.get_data());
 809                 if(elem_size==1)
 810                         obj.uniform1_array(n, size, data);
 811                 else if(elem_size==2)
 812                         obj.uniform2_array(n, size, data);
 813                 else if(elem_size==3)
 814                         obj.uniform3_array(n, size, data);
 815                 else if(elem_size==4)
 816                         obj.uniform4_array(n, size, data);
 817                 else
 818                         throw logic_error("unsupported combination of array type and element size");
 819         }
 820         else if(type==FLOAT)
 821         {
 822                 const float *data = reinterpret_cast<const float *>(ldr.get_data());
 823                 if(elem_size==1)
 824                         obj.uniform1_array(n, size, data);
 825                 else if(elem_size==2)
 826                         obj.uniform2_array(n, size, data);
 827                 else if(elem_size==3)
 828                         obj.uniform3_array(n, size, data);
 829                 else if(elem_size==4)
 830                         obj.uniform4_array(n, size, data);
 831                 else
 832                         throw logic_error("unsupported combination of array type and element size");
 833         }
 834         else
 835                 throw logic_error("unsupported array type");
 836 }
 837
 838 void ProgramData::Loader::uniform1i_array(const string &n)
 839 {
 840         uniform_array_(n, INT, 1);
 841 }
 842
 843 void ProgramData::Loader::uniform1f_array(const string &n)
 844 {
 845         uniform_array_(n, FLOAT, 1);
 846 }
 847
 848 void ProgramData::Loader::uniform2i_array(const string &n)
 849 {
 850         uniform_array_(n, INT, 2);
 851 }
 852
 853 void ProgramData::Loader::uniform2f_array(const string &n)
 854 {
 855         uniform_array_(n, FLOAT, 2);
 856 }
 857
 858 void ProgramData::Loader::uniform3i_array(const string &n)
 859 {
 860         uniform_array_(n, INT, 3);
 861 }
 862
 863 void ProgramData::Loader::uniform3f_array(const string &n)
 864 {
 865         uniform_array_(n, FLOAT, 3);
 866 }
 867
 868 void ProgramData::Loader::uniform4i_array(const string &n)
 869 {
 870         uniform_array_(n, INT, 4);
 871 }
 872
 873 void ProgramData::Loader::uniform4f_array(const string &n)
 874 {
 875         uniform_array_(n, FLOAT, 4);
 876 }
 877
 878 void ProgramData::Loader::uniform_array(const string &n)
 879 {
 880         uniform_array_(n, static_cast<DataType>(0), 0);
 881 }
 882
 883
 884 ProgramData::ArrayLoader::ArrayLoader(DataType t, unsigned e):
 885         type(t),
 886         element_size(e)
 887 {
 888         add("uniform", &ArrayLoader::uniform1i);
 889         add("uniform1i", &ArrayLoader::uniform1i);
 890         add("uniform", &ArrayLoader::uniform1f);
 891         add("uniform1f", &ArrayLoader::uniform1f);
 892         add("uniform", &ArrayLoader::uniform2f);
 893         add("uniform2f", &ArrayLoader::uniform2f);
 894         add("uniform", &ArrayLoader::uniform3f);
 895         add("uniform3f", &ArrayLoader::uniform3f);
 896         add("uniform", &ArrayLoader::uniform4f);
 897         add("uniform4f", &ArrayLoader::uniform4f);
 898 }
 899
 900 void ProgramData::ArrayLoader::uniform(DataType t, unsigned e, const void *v)
 901 {
 902         if(element_size && (t!=type || e!=element_size))
 903                 throw logic_error("heterogeneous array contents");
 904
 905         if(!element_size)
 906         {
 907                 type = t;
 908                 element_size = e;
 909         }
 910
 911         const char *cv = reinterpret_cast<const char *>(v);
 912         data.insert(data.end(), cv, cv+element_size*4);
 913 }
 914
 915 void ProgramData::ArrayLoader::uniform1i(int v)
 916 {
 917         uniform(INT, 1, &v);
 918 }
 919
 920 void ProgramData::ArrayLoader::uniform1f(float v)
 921 {
 922         uniform(FLOAT, 1, &v);
 923 }
 924
 925 void ProgramData::ArrayLoader::uniform2i(int v0, int v1)
 926 {
 927         int va[2] = { v0, v1 };
 928         uniform(INT, 2, va);
 929 }
 930
 931 void ProgramData::ArrayLoader::uniform2f(float v0, float v1)
 932 {
 933         float va[2] = { v0, v1 };
 934         uniform(FLOAT, 2, va);
 935 }
 936
 937 void ProgramData::ArrayLoader::uniform3i(int v0, int v1, int v2)
 938 {
 939         int va[3] = { v0, v1, v2 };
 940         uniform(INT, 3, va);
 941 }
 942
 943 void ProgramData::ArrayLoader::uniform3f(float v0, float v1, float v2)
 944 {
 945         float va[3] = { v0, v1, v2 };
 946         uniform(FLOAT, 3, va);
 947 }
 948
 949 void ProgramData::ArrayLoader::uniform4i(int v0, int v1, int v2, int v3)
 950 {
 951         int va[4] = { v0, v1, v2, v3 };
 952         uniform(INT, 4, va);
 953 }
 954
 955 void ProgramData::ArrayLoader::uniform4f(float v0, float v1, float v2, float v3)
 956 {
 957         float va[4] = { v0, v1, v2, v3 };
 958         uniform(FLOAT, 4, va);
 959 }
 960
 961 } // namespace GL
 962 } // namespace Msp