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