kc3-lang/angle/src/libGLESv2/renderer/formatutils11.cpp
-
Show log
Commit
-
Hash : 0d56c430
Author :
Date : 2013-06-05T14:54:16
Image11 now determines if a format is renderable by checking the RTV format exists rather than the SRV format. Added several more RTV DXGI formats to the table to allow fast copies. TRAC #23276 Signed-off-by: Nicolas Capens Signed-off-by: Shannon Woods Author: Geoff Lang
-
src/libGLESv2/renderer/formatutils11.cpp
-
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854
#include "precompiled.h" // // Copyright (c) 2013 The ANGLE Project Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // // formatutils11.cpp: Queries for GL image formats and their translations to D3D11 // formats. #include "libGLESv2/renderer/formatutils11.h" #include "libGLESv2/renderer/generatemip.h" #include "libGLESv2/renderer/loadimage.h" namespace rx { struct D3D11ES3FormatInfo { DXGI_FORMAT mTexFormat; DXGI_FORMAT mSRVFormat; DXGI_FORMAT mRTVFormat; DXGI_FORMAT mDSVFormat; D3D11ES3FormatInfo() : mTexFormat(DXGI_FORMAT_UNKNOWN), mDSVFormat(DXGI_FORMAT_UNKNOWN), mRTVFormat(DXGI_FORMAT_UNKNOWN), mSRVFormat(DXGI_FORMAT_UNKNOWN) { } D3D11ES3FormatInfo(DXGI_FORMAT texFormat, DXGI_FORMAT srvFormat, DXGI_FORMAT rtvFormat, DXGI_FORMAT dsvFormat) : mTexFormat(texFormat), mDSVFormat(dsvFormat), mRTVFormat(rtvFormat), mSRVFormat(srvFormat) { } }; // For sized GL internal formats, there is only one corresponding D3D11 format. This map type allows // querying for the DXGI texture formats to use for textures, SRVs, RTVs and DSVs given a GL internal // format. typedef std::pair<GLint, D3D11ES3FormatInfo> D3D11ES3FormatPair; typedef std::map<GLint, D3D11ES3FormatInfo> D3D11ES3FormatMap; static D3D11ES3FormatMap BuildD3D11ES3FormatMap() { D3D11ES3FormatMap map; // | GL internal format | | D3D11 texture format | D3D11 SRV format | D3D11 RTV format | D3D11 DSV format | map.insert(D3D11ES3FormatPair(GL_NONE, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_R8, D3D11ES3FormatInfo(DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_R8_SNORM, D3D11ES3FormatInfo(DXGI_FORMAT_R8_SNORM, DXGI_FORMAT_R8_SNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RG8, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8_UNORM, DXGI_FORMAT_R8G8_UNORM, DXGI_FORMAT_R8G8_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RG8_SNORM, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8_SNORM, DXGI_FORMAT_R8G8_SNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB8, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB8_SNORM, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB565, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGBA4, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB5_A1, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGBA8, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGBA8_SNORM, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB10_A2, D3D11ES3FormatInfo(DXGI_FORMAT_R10G10B10A2_UNORM, DXGI_FORMAT_R10G10B10A2_UNORM, DXGI_FORMAT_R10G10B10A2_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB10_A2UI, D3D11ES3FormatInfo(DXGI_FORMAT_R10G10B10A2_UINT, DXGI_FORMAT_R10G10B10A2_UINT, DXGI_FORMAT_R10G10B10A2_UINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_SRGB8, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_SRGB8_ALPHA8, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_R16F, D3D11ES3FormatInfo(DXGI_FORMAT_R16_FLOAT, DXGI_FORMAT_R16_FLOAT, DXGI_FORMAT_R16_FLOAT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RG16F, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16_FLOAT, DXGI_FORMAT_R16G16_FLOAT, DXGI_FORMAT_R16G16_FLOAT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB16F, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGBA16F, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_R32F, D3D11ES3FormatInfo(DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RG32F, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32_FLOAT, DXGI_FORMAT_R32G32_FLOAT, DXGI_FORMAT_R32G32_FLOAT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB32F, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGBA32F, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_R11F_G11F_B10F, D3D11ES3FormatInfo(DXGI_FORMAT_R11G11B10_FLOAT, DXGI_FORMAT_R11G11B10_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB9_E5, D3D11ES3FormatInfo(DXGI_FORMAT_R9G9B9E5_SHAREDEXP, DXGI_FORMAT_R9G9B9E5_SHAREDEXP, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_R8I, D3D11ES3FormatInfo(DXGI_FORMAT_R8_SINT, DXGI_FORMAT_R8_SINT, DXGI_FORMAT_R8_SINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_R8UI, D3D11ES3FormatInfo(DXGI_FORMAT_R8_UINT, DXGI_FORMAT_R8_UINT, DXGI_FORMAT_R8_UINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_R16I, D3D11ES3FormatInfo(DXGI_FORMAT_R16_SINT, DXGI_FORMAT_R16_SINT, DXGI_FORMAT_R16_SINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_R16UI, D3D11ES3FormatInfo(DXGI_FORMAT_R16_UINT, DXGI_FORMAT_R16_UINT, DXGI_FORMAT_R16_UINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_R32I, D3D11ES3FormatInfo(DXGI_FORMAT_R32_SINT, DXGI_FORMAT_R32_SINT, DXGI_FORMAT_R32_SINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_R32UI, D3D11ES3FormatInfo(DXGI_FORMAT_R32_UINT, DXGI_FORMAT_R32_UINT, DXGI_FORMAT_R32_UINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RG8I, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8_SINT, DXGI_FORMAT_R8G8_SINT, DXGI_FORMAT_R8G8_SINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RG8UI, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8_UINT, DXGI_FORMAT_R8G8_UINT, DXGI_FORMAT_R8G8_UINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RG16I, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16_SINT, DXGI_FORMAT_R16G16_SINT, DXGI_FORMAT_R16G16_SINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RG16UI, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16_UINT, DXGI_FORMAT_R16G16_UINT, DXGI_FORMAT_R16G16_UINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RG32I, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32_SINT, DXGI_FORMAT_R32G32_SINT, DXGI_FORMAT_R32G32_SINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RG32UI, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32_UINT, DXGI_FORMAT_R32G32_UINT, DXGI_FORMAT_R32G32_UINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB8I, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB8UI, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB16I, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB16UI, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB32I, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32_SINT, DXGI_FORMAT_R32G32B32_SINT, DXGI_FORMAT_R32G32B32_SINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB32UI, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32_UINT, DXGI_FORMAT_R32G32B32_UINT, DXGI_FORMAT_R32G32B32_UINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGBA8I, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGBA8UI, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGBA16I, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGBA16UI, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGBA32I, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32A32_SINT, DXGI_FORMAT_R32G32B32A32_SINT, DXGI_FORMAT_R32G32B32A32_SINT, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGBA32UI, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32A32_UINT, DXGI_FORMAT_R32G32B32A32_UINT, DXGI_FORMAT_R32G32B32A32_UINT, DXGI_FORMAT_UNKNOWN))); // Unsized formats, TODO: Are types of float and half float allowed for the unsized types? Would it change the DXGI format? map.insert(D3D11ES3FormatPair(GL_ALPHA, D3D11ES3FormatInfo(DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_LUMINANCE, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_LUMINANCE_ALPHA, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGB, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_RGBA, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_BGRA_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN))); // From GL_EXT_texture_storage // | GL internal format | | D3D11 texture format | D3D11 SRV format | D3D11 RTV format | D3D11 DSV format | map.insert(D3D11ES3FormatPair(GL_ALPHA8_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_UNKNOWN ))); map.insert(D3D11ES3FormatPair(GL_LUMINANCE8_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN ))); map.insert(D3D11ES3FormatPair(GL_ALPHA32F_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN ))); map.insert(D3D11ES3FormatPair(GL_LUMINANCE32F_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_UNKNOWN ))); map.insert(D3D11ES3FormatPair(GL_ALPHA16F_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN ))); map.insert(D3D11ES3FormatPair(GL_LUMINANCE16F_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN ))); map.insert(D3D11ES3FormatPair(GL_LUMINANCE8_ALPHA8_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN ))); map.insert(D3D11ES3FormatPair(GL_LUMINANCE_ALPHA32F_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN ))); map.insert(D3D11ES3FormatPair(GL_LUMINANCE_ALPHA16F_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN ))); map.insert(D3D11ES3FormatPair(GL_BGRA8_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN ))); map.insert(D3D11ES3FormatPair(GL_BGRA4_ANGLEX, D3D11ES3FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN ))); map.insert(D3D11ES3FormatPair(GL_BGR5_A1_ANGLEX, D3D11ES3FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN ))); // Depth stencil formats map.insert(D3D11ES3FormatPair(GL_DEPTH_COMPONENT16, D3D11ES3FormatInfo(DXGI_FORMAT_R16_TYPELESS, DXGI_FORMAT_R16_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D16_UNORM ))); map.insert(D3D11ES3FormatPair(GL_DEPTH_COMPONENT24, D3D11ES3FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT ))); map.insert(D3D11ES3FormatPair(GL_DEPTH_COMPONENT32F, D3D11ES3FormatInfo(DXGI_FORMAT_R32_TYPELESS, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D32_FLOAT ))); map.insert(D3D11ES3FormatPair(GL_DEPTH24_STENCIL8, D3D11ES3FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT ))); map.insert(D3D11ES3FormatPair(GL_DEPTH32F_STENCIL8, D3D11ES3FormatInfo(DXGI_FORMAT_R32G8X24_TYPELESS, DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D32_FLOAT_S8X24_UINT))); // From GL_ANGLE_depth_texture map.insert(D3D11ES3FormatPair(GL_DEPTH_COMPONENT32_OES, D3D11ES3FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT ))); // Compressed formats, From ES 3.0.1 spec, table 3.16 // | GL internal format | | D3D11 texture format | D3D11 SRV format | D3D11 RTV format | D3D11 DSV format | map.insert(D3D11ES3FormatPair(GL_COMPRESSED_R11_EAC, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_COMPRESSED_SIGNED_R11_EAC, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RG11_EAC, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_COMPRESSED_SIGNED_RG11_EAC, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGB8_ETC2, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_COMPRESSED_SRGB8_ETC2, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGBA8_ETC2_EAC, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); // From GL_EXT_texture_compression_dxt1 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); // From GL_ANGLE_texture_compression_dxt3 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, D3D11ES3FormatInfo(DXGI_FORMAT_BC2_UNORM, DXGI_FORMAT_BC2_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); // From GL_ANGLE_texture_compression_dxt5 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, D3D11ES3FormatInfo(DXGI_FORMAT_BC3_UNORM, DXGI_FORMAT_BC3_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN))); return map; } static bool GetD3D11ES3FormatInfo(GLint internalFormat, GLuint clientVersion, D3D11ES3FormatInfo *outFormatInfo) { static const D3D11ES3FormatMap formatMap = BuildD3D11ES3FormatMap(); D3D11ES3FormatMap::const_iterator iter = formatMap.find(internalFormat); if (iter != formatMap.end()) { if (outFormatInfo) { *outFormatInfo = iter->second; } return true; } else { return false; } } // ES3 image loading functions vary based on the internal format and data type given, // this map type determines the loading function from the internal format and type supplied // to glTex*Image*D and the destination DXGI_FORMAT. Source formats and types are taken from // Tables 3.2 and 3.3 of the ES 3 spec. typedef std::pair<GLint, GLenum> InternalFormatTypePair; typedef std::pair<InternalFormatTypePair, LoadImageFunction> D3D11LoadFunctionPair; typedef std::map<InternalFormatTypePair, LoadImageFunction> D3D11LoadFunctionMap; static void UnimplementedLoadFunction(int width, int height, int depth, const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch) { UNIMPLEMENTED(); } static void UnreachableLoadFunction(int width, int height, int depth, const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch) { UNREACHABLE(); } // A helper function to insert data into the D3D11LoadFunctionMap with fewer characters. static inline void insertLoadFunction(D3D11LoadFunctionMap *map, GLint internalFormat, GLenum type, LoadImageFunction loadFunc) { map->insert(D3D11LoadFunctionPair(InternalFormatTypePair(internalFormat, type), loadFunc)); } D3D11LoadFunctionMap buildD3D11LoadFunctionMap() { D3D11LoadFunctionMap map; // | Internal format | Type | Load function | insertLoadFunction(&map, GL_RGBA8, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 4> ); insertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_RGBA4, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_SRGB8_ALPHA8, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 4> ); insertLoadFunction(&map, GL_RGBA8_SNORM, GL_BYTE, loadToNative<GLbyte, 4> ); insertLoadFunction(&map, GL_RGBA4, GL_UNSIGNED_SHORT_4_4_4_4, loadRGBA4444DataToRGBA ); insertLoadFunction(&map, GL_RGB10_A2, GL_UNSIGNED_INT_2_10_10_10_REV, loadToNative<GLuint, 1> ); insertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_SHORT_5_5_5_1, loadRGBA5551DataToRGBA ); insertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_INT_2_10_10_10_REV, loadRGBA2101010ToRGBA ); insertLoadFunction(&map, GL_RGBA16F, GL_HALF_FLOAT, loadToNative<GLhalf, 4> ); insertLoadFunction(&map, GL_RGBA32F, GL_FLOAT, loadToNative<GLfloat, 4> ); insertLoadFunction(&map, GL_RGBA16F, GL_FLOAT, loadFloatDataToHalfFloat<4> ); insertLoadFunction(&map, GL_RGBA8UI, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 4> ); insertLoadFunction(&map, GL_RGBA8I, GL_BYTE, loadToNative<GLbyte, 4> ); insertLoadFunction(&map, GL_RGBA16UI, GL_UNSIGNED_SHORT, loadToNative<GLushort, 4> ); insertLoadFunction(&map, GL_RGBA16I, GL_SHORT, loadToNative<GLshort, 4> ); insertLoadFunction(&map, GL_RGBA32UI, GL_UNSIGNED_INT, loadToNative<GLuint, 4> ); insertLoadFunction(&map, GL_RGBA32I, GL_INT, loadToNative<GLint, 4> ); insertLoadFunction(&map, GL_RGB10_A2UI, GL_UNSIGNED_INT_2_10_10_10_REV, loadToNative<GLuint, 1> ); insertLoadFunction(&map, GL_RGB8, GL_UNSIGNED_BYTE, loadRGBUByteDataToRGBA ); insertLoadFunction(&map, GL_RGB565, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_SRGB8, GL_UNSIGNED_BYTE, loadToNative3To4<GLubyte, 0xFF> ); insertLoadFunction(&map, GL_RGB8_SNORM, GL_BYTE, loadRGBSByteDataToRGBA ); insertLoadFunction(&map, GL_RGB565, GL_UNSIGNED_SHORT_5_6_5, loadRGB565DataToRGBA ); insertLoadFunction(&map, GL_R11F_G11F_B10F, GL_UNSIGNED_INT_10F_11F_11F_REV, loadToNative<GLuint, 1> ); insertLoadFunction(&map, GL_RGB9_E5, GL_UNSIGNED_INT_5_9_9_9_REV, loadToNative<GLuint, 1> ); insertLoadFunction(&map, GL_RGB16F, GL_HALF_FLOAT, loadToNative3To4<GLhalf, gl::Float16One>); insertLoadFunction(&map, GL_R11F_G11F_B10F, GL_HALF_FLOAT, loadRGBHalfFloatDataTo111110Float ); insertLoadFunction(&map, GL_RGB9_E5, GL_HALF_FLOAT, loadRGBHalfFloatDataTo999E5 ); insertLoadFunction(&map, GL_RGB32F, GL_FLOAT, loadToNative<GLfloat, 3> ); insertLoadFunction(&map, GL_RGB16F, GL_FLOAT, loadFloatRGBDataToHalfFloatRGBA ); insertLoadFunction(&map, GL_R11F_G11F_B10F, GL_FLOAT, loadRGBFloatDataTo111110Float ); insertLoadFunction(&map, GL_RGB9_E5, GL_FLOAT, loadRGBFloatDataTo999E5 ); insertLoadFunction(&map, GL_RGB8UI, GL_UNSIGNED_BYTE, loadToNative3To4<GLubyte, 0x0> ); insertLoadFunction(&map, GL_RGB8I, GL_BYTE, loadToNative3To4<GLbyte, 0x0> ); insertLoadFunction(&map, GL_RGB16UI, GL_UNSIGNED_SHORT, loadToNative3To4<GLushort, 0x0> ); insertLoadFunction(&map, GL_RGB16I, GL_SHORT, loadToNative3To4<GLshort, 0x0> ); insertLoadFunction(&map, GL_RGB32UI, GL_UNSIGNED_INT, loadToNative<GLuint, 3> ); insertLoadFunction(&map, GL_RGB32I, GL_INT, loadToNative<GLint, 3> ); insertLoadFunction(&map, GL_RG8, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 2> ); insertLoadFunction(&map, GL_RG8_SNORM, GL_BYTE, loadToNative<GLbyte, 2> ); insertLoadFunction(&map, GL_RG16F, GL_HALF_FLOAT, loadToNative<GLhalf, 2> ); insertLoadFunction(&map, GL_RG32F, GL_FLOAT, loadToNative<GLfloat, 2> ); insertLoadFunction(&map, GL_RG16F, GL_FLOAT, loadFloatDataToHalfFloat<2> ); insertLoadFunction(&map, GL_RG8UI, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 2> ); insertLoadFunction(&map, GL_RG8I, GL_BYTE, loadToNative<GLbyte, 2> ); insertLoadFunction(&map, GL_RG16UI, GL_UNSIGNED_SHORT, loadToNative<GLushort, 2> ); insertLoadFunction(&map, GL_RG16I, GL_SHORT, loadToNative<GLshort, 2> ); insertLoadFunction(&map, GL_RG32UI, GL_UNSIGNED_INT, loadToNative<GLuint, 2> ); insertLoadFunction(&map, GL_RG32I, GL_INT, loadToNative<GLint, 2> ); insertLoadFunction(&map, GL_R8, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 1> ); insertLoadFunction(&map, GL_R8_SNORM, GL_BYTE, loadToNative<GLbyte, 1> ); insertLoadFunction(&map, GL_R16F, GL_HALF_FLOAT, loadToNative<GLhalf, 1> ); insertLoadFunction(&map, GL_R32F, GL_FLOAT, loadToNative<GLfloat, 1> ); insertLoadFunction(&map, GL_R16F, GL_FLOAT, loadFloatDataToHalfFloat<1> ); insertLoadFunction(&map, GL_R8UI, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 1> ); insertLoadFunction(&map, GL_R8I, GL_BYTE, loadToNative<GLbyte, 1> ); insertLoadFunction(&map, GL_R16UI, GL_UNSIGNED_SHORT, loadToNative<GLushort, 1> ); insertLoadFunction(&map, GL_R16I, GL_SHORT, loadToNative<GLshort, 1> ); insertLoadFunction(&map, GL_R32UI, GL_UNSIGNED_INT, loadToNative<GLuint, 1> ); insertLoadFunction(&map, GL_R32I, GL_INT, loadToNative<GLint, 1> ); insertLoadFunction(&map, GL_DEPTH_COMPONENT16, GL_UNSIGNED_SHORT, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_DEPTH_COMPONENT24, GL_UNSIGNED_INT, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_DEPTH_COMPONENT16, GL_UNSIGNED_INT, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_DEPTH_COMPONENT32F, GL_FLOAT, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_DEPTH24_STENCIL8, GL_UNSIGNED_INT_24_8, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_DEPTH32F_STENCIL8, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, UnimplementedLoadFunction ); // Unsized formats // Load functions are unreachable because they are converted to sized internal formats based on // the format and type before loading takes place. insertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_BYTE, UnreachableLoadFunction ); insertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, UnreachableLoadFunction ); insertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, UnreachableLoadFunction ); insertLoadFunction(&map, GL_RGB, GL_UNSIGNED_BYTE, UnreachableLoadFunction ); insertLoadFunction(&map, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, UnreachableLoadFunction ); insertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, UnreachableLoadFunction ); insertLoadFunction(&map, GL_LUMINANCE, GL_UNSIGNED_BYTE, UnreachableLoadFunction ); insertLoadFunction(&map, GL_ALPHA, GL_UNSIGNED_BYTE, UnreachableLoadFunction ); // From GL_OES_texture_float insertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_FLOAT, loadLuminanceAlphaFloatDataToRGBA ); insertLoadFunction(&map, GL_LUMINANCE, GL_FLOAT, loadLuminanceFloatDataToRGB ); insertLoadFunction(&map, GL_ALPHA, GL_FLOAT, loadAlphaFloatDataToRGBA ); // From GL_OES_texture_half_float insertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, loadLuminanceAlphaHalfFloatDataToRGBA); insertLoadFunction(&map, GL_LUMINANCE, GL_HALF_FLOAT, loadLuminanceHalfFloatDataToRGBA ); insertLoadFunction(&map, GL_ALPHA, GL_HALF_FLOAT, loadAlphaHalfFloatDataToRGBA ); // From GL_EXT_texture_storage insertLoadFunction(&map, GL_ALPHA8_EXT, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 1> ); insertLoadFunction(&map, GL_LUMINANCE8_EXT, GL_UNSIGNED_BYTE, loadLuminanceDataToBGRA ); insertLoadFunction(&map, GL_LUMINANCE8_ALPHA8_EXT, GL_UNSIGNED_BYTE, loadLuminanceAlphaDataToBGRA ); insertLoadFunction(&map, GL_ALPHA32F_EXT, GL_FLOAT, loadAlphaFloatDataToRGBA ); insertLoadFunction(&map, GL_LUMINANCE32F_EXT, GL_FLOAT, loadLuminanceFloatDataToRGB ); insertLoadFunction(&map, GL_LUMINANCE_ALPHA32F_EXT, GL_FLOAT, loadLuminanceAlphaFloatDataToRGBA ); insertLoadFunction(&map, GL_ALPHA16F_EXT, GL_HALF_FLOAT, loadAlphaHalfFloatDataToRGBA ); insertLoadFunction(&map, GL_LUMINANCE16F_EXT, GL_HALF_FLOAT, loadLuminanceHalfFloatDataToRGBA ); insertLoadFunction(&map, GL_LUMINANCE_ALPHA16F_EXT, GL_HALF_FLOAT, loadLuminanceAlphaHalfFloatDataToRGBA); insertLoadFunction(&map, GL_BGRA8_EXT, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 4> ); insertLoadFunction(&map, GL_BGRA4_ANGLEX, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, loadRGBA4444DataToRGBA ); insertLoadFunction(&map, GL_BGRA4_ANGLEX, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_BGR5_A1_ANGLEX, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, loadRGBA5551DataToRGBA ); insertLoadFunction(&map, GL_BGR5_A1_ANGLEX, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); // Compressed formats // From ES 3.0.1 spec, table 3.16 // | Internal format | Type | Load function | insertLoadFunction(&map, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_COMPRESSED_SIGNED_R11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_COMPRESSED_RG11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_COMPRESSED_SIGNED_RG11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_COMPRESSED_RGB8_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_COMPRESSED_SRGB8_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); insertLoadFunction(&map, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); // From GL_EXT_texture_compression_dxt1 insertLoadFunction(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, loadCompressedBlockDataToNative<4, 4, 8>); insertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, loadCompressedBlockDataToNative<4, 4, 8>); // From GL_ANGLE_texture_compression_dxt3 insertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, loadCompressedBlockDataToNative<4, 4, 16>); // From GL_ANGLE_texture_compression_dxt5 insertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, loadCompressedBlockDataToNative<4, 4, 16>); return map; } struct D3D11ES2FormatInfo { DXGI_FORMAT mTexFormat; DXGI_FORMAT mSRVFormat; DXGI_FORMAT mRTVFormat; DXGI_FORMAT mDSVFormat; LoadImageFunction mLoadImageFunction; D3D11ES2FormatInfo() : mTexFormat(DXGI_FORMAT_UNKNOWN), mDSVFormat(DXGI_FORMAT_UNKNOWN), mRTVFormat(DXGI_FORMAT_UNKNOWN), mSRVFormat(DXGI_FORMAT_UNKNOWN), mLoadImageFunction(NULL) { } D3D11ES2FormatInfo(DXGI_FORMAT texFormat, DXGI_FORMAT srvFormat, DXGI_FORMAT rtvFormat, DXGI_FORMAT dsvFormat, LoadImageFunction loadFunc) : mTexFormat(texFormat), mDSVFormat(dsvFormat), mRTVFormat(rtvFormat), mSRVFormat(srvFormat), mLoadImageFunction(loadFunc) { } }; // ES2 internal formats can map to DXGI formats and loading functions typedef std::pair<GLint, D3D11ES2FormatInfo> D3D11ES2FormatPair; typedef std::map<GLint, D3D11ES2FormatInfo> D3D11ES2FormatMap; static D3D11ES2FormatMap BuildD3D11ES2FormatMap() { D3D11ES2FormatMap map; // | Internal format | | Texture format | SRV format | RTV format | DSV format | Load function | map.insert(D3D11ES2FormatPair(GL_NONE, D3D11ES2FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, NULL ))); map.insert(D3D11ES2FormatPair(GL_DEPTH_COMPONENT16, D3D11ES2FormatInfo(DXGI_FORMAT_R16_TYPELESS, DXGI_FORMAT_R16_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D16_UNORM, NULL ))); map.insert(D3D11ES2FormatPair(GL_DEPTH_COMPONENT32_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R32_TYPELESS, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D32_FLOAT, NULL ))); map.insert(D3D11ES2FormatPair(GL_DEPTH24_STENCIL8_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT, NULL ))); map.insert(D3D11ES2FormatPair(GL_STENCIL_INDEX8, D3D11ES2FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_X24_TYPELESS_G8_UINT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT, NULL ))); map.insert(D3D11ES2FormatPair(GL_RGBA32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBAFloatDataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_RGB32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBFloatDataToNative ))); map.insert(D3D11ES2FormatPair(GL_ALPHA32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, loadAlphaFloatDataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_LUMINANCE32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_UNKNOWN, loadLuminanceFloatDataToRGB ))); map.insert(D3D11ES2FormatPair(GL_LUMINANCE_ALPHA32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, loadLuminanceAlphaFloatDataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_RGBA16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBAHalfFloatDataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_RGB16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBHalfFloatDataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_ALPHA16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadAlphaHalfFloatDataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_LUMINANCE16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadLuminanceHalfFloatDataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_LUMINANCE_ALPHA16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadLuminanceAlphaHalfFloatDataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_ALPHA8_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_UNKNOWN, loadAlphaDataToNative ))); map.insert(D3D11ES2FormatPair(GL_LUMINANCE8_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadLuminanceDataToBGRA ))); map.insert(D3D11ES2FormatPair(GL_LUMINANCE8_ALPHA8_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadLuminanceAlphaDataToBGRA ))); map.insert(D3D11ES2FormatPair(GL_RGB8_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBUByteDataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_RGB565, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGB565DataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_RGBA8_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBAUByteDataToNative ))); map.insert(D3D11ES2FormatPair(GL_RGBA4, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBA4444DataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_RGB5_A1, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBA5551DataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_BGRA8_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadBGRADataToBGRA ))); map.insert(D3D11ES2FormatPair(GL_BGRA4_ANGLEX, D3D11ES2FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBA4444DataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_BGR5_A1_ANGLEX, D3D11ES2FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBA5551DataToRGBA ))); map.insert(D3D11ES2FormatPair(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, loadCompressedBlockDataToNative<4, 4, 8>))); map.insert(D3D11ES2FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, loadCompressedBlockDataToNative<4, 4, 8>))); map.insert(D3D11ES2FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, D3D11ES2FormatInfo(DXGI_FORMAT_BC2_UNORM, DXGI_FORMAT_BC2_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, loadCompressedBlockDataToNative<4, 4, 16>))); map.insert(D3D11ES2FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, D3D11ES2FormatInfo(DXGI_FORMAT_BC3_UNORM, DXGI_FORMAT_BC3_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, loadCompressedBlockDataToNative<4, 4, 16>))); return map; } static bool GetD3D11ES2FormatInfo(GLint internalFormat, GLuint clientVersion, D3D11ES2FormatInfo *outFormatInfo) { static const D3D11ES2FormatMap formatMap = BuildD3D11ES2FormatMap(); D3D11ES2FormatMap::const_iterator iter = formatMap.find(internalFormat); if (iter != formatMap.end()) { if (outFormatInfo) { *outFormatInfo = iter->second; } return true; } else { return false; } } // A map to determine the pixel size and mipmap generation function of a given DXGI format struct DXGIFormatInfo { GLuint mPixelBits; GLuint mBlockWidth; GLuint mBlockHeight; GLint mInternalFormat; MipGenerationFunction mMipGenerationFunction; DXGIFormatInfo() : mPixelBits(0), mBlockWidth(0), mBlockHeight(0), mInternalFormat(GL_NONE), mMipGenerationFunction(NULL) { } DXGIFormatInfo(GLuint pixelBits, GLuint blockWidth, GLuint blockHeight, GLint internalFormat, MipGenerationFunction mipFunc) : mPixelBits(pixelBits), mBlockWidth(blockWidth), mBlockHeight(blockHeight), mInternalFormat(internalFormat), mMipGenerationFunction(mipFunc) { } }; typedef std::pair<DXGI_FORMAT, DXGIFormatInfo> DXGIFormatInfoPair; typedef std::map<DXGI_FORMAT, DXGIFormatInfo> DXGIFormatInfoMap; static DXGIFormatInfoMap BuildDXGIFormatInfoMap() { DXGIFormatInfoMap map; // | DXGI format | S |W |H | Internal format | Mip generation function | map.insert(DXGIFormatInfoPair(DXGI_FORMAT_UNKNOWN, DXGIFormatInfo( 0, 0, 0, GL_NONE, NULL ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_A8_UNORM, DXGIFormatInfo( 8, 1, 1, GL_ALPHA8_EXT, GenerateMip<A8> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8_UNORM, DXGIFormatInfo( 8, 1, 1, GL_R8, GenerateMip<R8> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8_UNORM, DXGIFormatInfo( 16, 1, 1, GL_RG8, GenerateMip<R8G8> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8B8A8_UNORM, DXGIFormatInfo( 32, 1, 1, GL_RGBA8, GenerateMip<R8G8B8A8> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGIFormatInfo( 32, 1, 1, GL_SRGB8_ALPHA8, GenerateMip<R8G8B8A8> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_B8G8R8A8_UNORM, DXGIFormatInfo( 32, 1, 1, GL_BGRA8_EXT, GenerateMip<B8G8R8A8> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8_SNORM, DXGIFormatInfo( 8, 1, 1, GL_R8_SNORM, GenerateMip<R8S> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8_SNORM, DXGIFormatInfo( 16, 1, 1, GL_RG8_SNORM, GenerateMip<R8G8S> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8B8A8_SNORM, DXGIFormatInfo( 32, 1, 1, GL_RGBA8_SNORM, GenerateMip<R8G8B8A8S> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8_UINT, DXGIFormatInfo( 8, 1, 1, GL_R8UI, GenerateMip<R8> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16_UINT, DXGIFormatInfo( 16, 1, 1, GL_R16UI, GenerateMip<R16> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32_UINT, DXGIFormatInfo( 32, 1, 1, GL_R32UI, GenerateMip<R32> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8_UINT, DXGIFormatInfo( 16, 1, 1, GL_RG8UI, GenerateMip<R8G8> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16G16_UINT, DXGIFormatInfo( 32, 1, 1, GL_RG16UI, GenerateMip<R16G16> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32_UINT, DXGIFormatInfo( 64, 1, 1, GL_RG32UI, GenerateMip<R32G32> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32B32_UINT, DXGIFormatInfo( 96, 1, 1, GL_RGB32UI, GenerateMip<R32G32B32> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8B8A8_UINT, DXGIFormatInfo( 32, 1, 1, GL_RGBA8UI, GenerateMip<R8G8B8A8> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16G16B16A16_UINT, DXGIFormatInfo( 64, 1, 1, GL_RGBA16UI, GenerateMip<R16G16B16A16> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32B32A32_UINT, DXGIFormatInfo(128, 1, 1, GL_RGBA32UI, GenerateMip<R32G32B32A32> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8_SINT, DXGIFormatInfo( 8, 1, 1, GL_R8I, GenerateMip<R8S> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16_SINT, DXGIFormatInfo( 16, 1, 1, GL_R16I, GenerateMip<R16S> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32_SINT, DXGIFormatInfo( 32, 1, 1, GL_R32I, GenerateMip<R32S> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8_SINT, DXGIFormatInfo( 16, 1, 1, GL_RG8I, GenerateMip<R8G8S> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16G16_SINT, DXGIFormatInfo( 32, 1, 1, GL_RG16I, GenerateMip<R16G16S> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32_SINT, DXGIFormatInfo( 64, 1, 1, GL_RG32I, GenerateMip<R32G32S> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32B32_SINT, DXGIFormatInfo( 96, 1, 1, GL_RGB32I, GenerateMip<R32G32B32S> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8B8A8_SINT, DXGIFormatInfo( 32, 1, 1, GL_RGBA8I, GenerateMip<R8G8B8A8S> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16G16B16A16_SINT, DXGIFormatInfo( 64, 1, 1, GL_RGBA16I, GenerateMip<R16G16B16A16S>))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32B32A32_SINT, DXGIFormatInfo(128, 1, 1, GL_RGBA32I, GenerateMip<R32G32B32A32S>))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R10G10B10A2_UNORM, DXGIFormatInfo( 32, 1, 1, GL_RGB10_A2, GenerateMip<R10G10B10A2> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R10G10B10A2_UINT, DXGIFormatInfo( 32, 1, 1, GL_RGB10_A2UI, GenerateMip<R10G10B10A2> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16_FLOAT, DXGIFormatInfo( 16, 1, 1, GL_R16F, GenerateMip<R16F> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16G16_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_RG16F, GenerateMip<R16G16F> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGIFormatInfo( 64, 1, 1, GL_RGBA16F, GenerateMip<R16G16B16A16F>))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_R32F, GenerateMip<R32F> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32_FLOAT, DXGIFormatInfo( 64, 1, 1, GL_RG32F, GenerateMip<R32G32F> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32B32_FLOAT, DXGIFormatInfo( 96, 1, 1, GL_RGB32F, GenerateMip<R32G32B32F> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGIFormatInfo(128, 1, 1, GL_RGBA32F, GenerateMip<R32G32B32A32F>))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R9G9B9E5_SHAREDEXP, DXGIFormatInfo( 32, 1, 1, GL_RGB9_E5, GenerateMip<R9G9B9E5> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R11G11B10_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_R11F_G11F_B10F, GenerateMip<R11G11B10F> ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16_TYPELESS, DXGIFormatInfo( 16, 1, 1, GL_DEPTH_COMPONENT16, NULL ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D16_UNORM, DXGIFormatInfo( 16, 1, 1, GL_DEPTH_COMPONENT16, NULL ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R24G8_TYPELESS, DXGIFormatInfo( 32, 1, 1, GL_DEPTH24_STENCIL8_OES, NULL ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D24_UNORM_S8_UINT, DXGIFormatInfo( 32, 1, 1, GL_DEPTH24_STENCIL8_OES, NULL ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32_TYPELESS, DXGIFormatInfo( 32, 1, 1, GL_DEPTH_COMPONENT32_OES, NULL ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D32_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_DEPTH_COMPONENT32_OES, NULL ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G8X24_TYPELESS, DXGIFormatInfo( 32, 1, 1, GL_DEPTH32F_STENCIL8, NULL ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D32_FLOAT_S8X24_UINT,DXGIFormatInfo( 32, 1, 1, GL_DEPTH32F_STENCIL8, NULL ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_BC1_UNORM, DXGIFormatInfo( 64, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, NULL ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_BC2_UNORM, DXGIFormatInfo(128, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, NULL ))); map.insert(DXGIFormatInfoPair(DXGI_FORMAT_BC3_UNORM, DXGIFormatInfo(128, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, NULL ))); return map; } static const DXGIFormatInfoMap &GetDXGIFormatInfoMap() { static const DXGIFormatInfoMap infoMap = BuildDXGIFormatInfoMap(); return infoMap; } static bool GetDXGIFormatInfo(DXGI_FORMAT format, DXGIFormatInfo *outFormatInfo) { const DXGIFormatInfoMap &infoMap = GetDXGIFormatInfoMap(); DXGIFormatInfoMap::const_iterator iter = infoMap.find(format); if (iter != infoMap.end()) { if (outFormatInfo) { *outFormatInfo = iter->second; } return true; } else { return false; } } static d3d11::DXGIFormatSet BuildAllDXGIFormatSet() { d3d11::DXGIFormatSet set; const DXGIFormatInfoMap &infoMap = GetDXGIFormatInfoMap(); for (DXGIFormatInfoMap::const_iterator i = infoMap.begin(); i != infoMap.end(); ++i) { set.insert(i->first); } return set; } namespace d3d11 { MipGenerationFunction GetMipGenerationFunction(DXGI_FORMAT format) { DXGIFormatInfo formatInfo; if (GetDXGIFormatInfo(format, &formatInfo)) { return formatInfo.mMipGenerationFunction; } else { UNREACHABLE(); return NULL; } } LoadImageFunction GetImageLoadFunction(GLint internalFormat, GLenum type, GLuint clientVersion) { if (clientVersion == 2) { D3D11ES2FormatInfo d3d11FormatInfo; if (GetD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo)) { return d3d11FormatInfo.mLoadImageFunction; } else { UNREACHABLE(); return NULL; } } else if (clientVersion == 3) { static const D3D11LoadFunctionMap loadImageMap = buildD3D11LoadFunctionMap(); D3D11LoadFunctionMap::const_iterator iter = loadImageMap.find(InternalFormatTypePair(internalFormat, type)); if (iter != loadImageMap.end()) { return iter->second; } else { UNREACHABLE(); return NULL; } } else { UNREACHABLE(); return NULL; } } GLuint GetFormatPixelBytes(DXGI_FORMAT format) { DXGIFormatInfo dxgiFormatInfo; if (GetDXGIFormatInfo(format, &dxgiFormatInfo)) { return dxgiFormatInfo.mPixelBits / 8; } else { UNREACHABLE(); return 0; } } GLuint GetBlockWidth(DXGI_FORMAT format) { DXGIFormatInfo dxgiFormatInfo; if (GetDXGIFormatInfo(format, &dxgiFormatInfo)) { return dxgiFormatInfo.mBlockWidth; } else { UNREACHABLE(); return 0; } } GLuint GetBlockHeight(DXGI_FORMAT format) { DXGIFormatInfo dxgiFormatInfo; if (GetDXGIFormatInfo(format, &dxgiFormatInfo)) { return dxgiFormatInfo.mBlockHeight; } else { UNREACHABLE(); return 0; } } void MakeValidSize(bool isImage, DXGI_FORMAT format, GLsizei *requestWidth, GLsizei *requestHeight, int *levelOffset) { DXGIFormatInfo dxgiFormatInfo; if (GetDXGIFormatInfo(format, &dxgiFormatInfo)) { int upsampleCount = 0; GLsizei blockWidth = dxgiFormatInfo.mBlockWidth; GLsizei blockHeight = dxgiFormatInfo.mBlockHeight; // Don't expand the size of full textures that are at least (blockWidth x blockHeight) already. if (isImage || *requestWidth < blockWidth || *requestHeight < blockHeight) { while (*requestWidth % blockWidth != 0 || *requestHeight % blockHeight != 0) { *requestWidth <<= 1; *requestHeight <<= 1; upsampleCount++; } } *levelOffset = upsampleCount; } else { UNREACHABLE(); } } const DXGIFormatSet &GetAllUsedDXGIFormats() { static DXGIFormatSet formatSet = BuildAllDXGIFormatSet(); return formatSet; } } namespace gl_d3d11 { DXGI_FORMAT GetTexFormat(GLint internalFormat, GLuint clientVersion) { if (clientVersion == 2) { D3D11ES2FormatInfo d3d11FormatInfo; if (GetD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo)) { return d3d11FormatInfo.mTexFormat; } else { UNREACHABLE(); return DXGI_FORMAT_UNKNOWN; } } else if (clientVersion == 3) { D3D11ES3FormatInfo d3d11FormatInfo; if (GetD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo)) { return d3d11FormatInfo.mTexFormat; } else { UNREACHABLE(); return DXGI_FORMAT_UNKNOWN; } } else { UNREACHABLE(); return DXGI_FORMAT_UNKNOWN; } } DXGI_FORMAT GetSRVFormat(GLint internalFormat, GLuint clientVersion) { if (clientVersion == 2) { D3D11ES2FormatInfo d3d11FormatInfo; if (GetD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo)) { return d3d11FormatInfo.mSRVFormat; } else { UNREACHABLE(); return DXGI_FORMAT_UNKNOWN; } } else if (clientVersion == 3) { D3D11ES3FormatInfo d3d11FormatInfo; if (GetD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo)) { return d3d11FormatInfo.mSRVFormat; } else { UNREACHABLE(); return DXGI_FORMAT_UNKNOWN; } } else { UNREACHABLE(); return DXGI_FORMAT_UNKNOWN; } } DXGI_FORMAT GetRTVFormat(GLint internalFormat, GLuint clientVersion) { if (clientVersion == 2) { D3D11ES2FormatInfo d3d11FormatInfo; if (GetD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo)) { return d3d11FormatInfo.mRTVFormat; } else { UNREACHABLE(); return DXGI_FORMAT_UNKNOWN; } } else if (clientVersion == 3) { D3D11ES3FormatInfo d3d11FormatInfo; if (GetD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo)) { return d3d11FormatInfo.mRTVFormat; } else { UNREACHABLE(); return DXGI_FORMAT_UNKNOWN; } } else { UNREACHABLE(); return DXGI_FORMAT_UNKNOWN; } } DXGI_FORMAT GetDSVFormat(GLint internalFormat, GLuint clientVersion) { if (clientVersion == 2) { D3D11ES2FormatInfo d3d11FormatInfo; if (GetD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo)) { return d3d11FormatInfo.mDSVFormat; } else { return DXGI_FORMAT_UNKNOWN; } } else if (clientVersion == 3) { D3D11ES3FormatInfo d3d11FormatInfo; if (GetD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo)) { return d3d11FormatInfo.mDSVFormat; } else { return DXGI_FORMAT_UNKNOWN; } } else { UNREACHABLE(); return DXGI_FORMAT_UNKNOWN; } } } namespace d3d11_gl { GLint GetInternalFormat(DXGI_FORMAT format) { DXGIFormatInfo formatInfo; if (GetDXGIFormatInfo(format, &formatInfo)) { return formatInfo.mInternalFormat; } else { UNREACHABLE(); return GL_NONE; } } } }