tgsi_ureg.c revision b570a7e6b6ebd05e94fd91f2df53de7d2e2e05d2
1/************************************************************************** 2 * 3 * Copyright 2009 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE, INC AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 29#include "pipe/p_context.h" 30#include "pipe/p_state.h" 31#include "tgsi/tgsi_ureg.h" 32#include "tgsi/tgsi_dump.h" 33#include "util/u_memory.h" 34#include "util/u_math.h" 35 36union tgsi_any_token { 37 struct tgsi_version version; 38 struct tgsi_header header; 39 struct tgsi_processor processor; 40 struct tgsi_token token; 41 struct tgsi_declaration decl; 42 struct tgsi_declaration_range decl_range; 43 struct tgsi_declaration_semantic decl_semantic; 44 struct tgsi_immediate imm; 45 union tgsi_immediate_data imm_data; 46 struct tgsi_instruction insn; 47 struct tgsi_instruction_ext_nv insn_ext_nv; 48 struct tgsi_instruction_ext_label insn_ext_label; 49 struct tgsi_instruction_ext_texture insn_ext_texture; 50 struct tgsi_instruction_ext_predicate insn_ext_predicate; 51 struct tgsi_src_register src; 52 struct tgsi_src_register_ext_swz src_ext_swz; 53 struct tgsi_src_register_ext_mod src_ext_mod; 54 struct tgsi_dimension dim; 55 struct tgsi_dst_register dst; 56 struct tgsi_dst_register_ext_concode dst_ext_code; 57 struct tgsi_dst_register_ext_modulate dst_ext_mod; 58 struct tgsi_dst_register_ext_predicate dst_ext_pred; 59 unsigned value; 60}; 61 62 63struct ureg_tokens { 64 union tgsi_any_token *tokens; 65 unsigned size; 66 unsigned order; 67 unsigned count; 68}; 69 70#define UREG_MAX_INPUT PIPE_MAX_ATTRIBS 71#define UREG_MAX_OUTPUT PIPE_MAX_ATTRIBS 72#define UREG_MAX_IMMEDIATE 32 73#define UREG_MAX_TEMP 256 74 75#define DOMAIN_DECL 0 76#define DOMAIN_INSN 1 77 78struct ureg_program 79{ 80 unsigned processor; 81 struct pipe_context *pipe; 82 83 struct { 84 unsigned semantic_name; 85 unsigned semantic_index; 86 unsigned interp; 87 } input[UREG_MAX_INPUT]; 88 unsigned nr_inputs; 89 90 struct { 91 unsigned semantic_name; 92 unsigned semantic_index; 93 } output[UREG_MAX_OUTPUT]; 94 unsigned nr_outputs; 95 96 struct { 97 float v[4]; 98 unsigned nr; 99 } immediate[UREG_MAX_IMMEDIATE]; 100 unsigned nr_immediates; 101 102 unsigned temps_active[UREG_MAX_TEMP / 32]; 103 unsigned nr_temps; 104 105 unsigned nr_constants; 106 unsigned nr_samplers; 107 unsigned nr_instructions; 108 109 struct ureg_tokens domain[2]; 110}; 111 112static union tgsi_any_token error_tokens[32]; 113 114static void tokens_error( struct ureg_tokens *tokens ) 115{ 116 tokens->tokens = error_tokens; 117 tokens->size = Elements(error_tokens); 118 tokens->count = 0; 119} 120 121 122static void tokens_expand( struct ureg_tokens *tokens, 123 unsigned count ) 124{ 125 unsigned old_size = tokens->size * sizeof(unsigned); 126 127 if (tokens->tokens == error_tokens) 128 goto fail; 129 130 while (tokens->count + count > tokens->size) { 131 tokens->size = (1 << ++tokens->order); 132 } 133 134 tokens->tokens = REALLOC(tokens->tokens, 135 old_size, 136 tokens->size * sizeof(unsigned)); 137 if (tokens->tokens == NULL) 138 goto fail; 139 140 return; 141 142fail: 143 tokens_error(tokens); 144} 145 146static void set_bad( struct ureg_program *ureg ) 147{ 148 tokens_error(&ureg->domain[0]); 149} 150 151 152 153static union tgsi_any_token *get_tokens( struct ureg_program *ureg, 154 unsigned domain, 155 unsigned count ) 156{ 157 struct ureg_tokens *tokens = &ureg->domain[domain]; 158 union tgsi_any_token *result; 159 160 if (tokens->count + count > tokens->size) 161 tokens_expand(tokens, count); 162 163 result = &tokens->tokens[tokens->count]; 164 tokens->count += count; 165 return result; 166} 167 168 169static union tgsi_any_token *retrieve_token( struct ureg_program *ureg, 170 unsigned domain, 171 unsigned nr ) 172{ 173 if (ureg->domain[domain].tokens == error_tokens) 174 return &error_tokens[0]; 175 176 return &ureg->domain[domain].tokens[nr]; 177} 178 179 180 181static INLINE struct ureg_dst 182ureg_dst_register( unsigned file, 183 unsigned index ) 184{ 185 struct ureg_dst dst; 186 187 dst.File = file; 188 dst.WriteMask = TGSI_WRITEMASK_XYZW; 189 dst.Indirect = 0; 190 dst.Saturate = 0; 191 dst.Index = index; 192 dst.Pad1 = 0; 193 dst.Pad2 = 0; 194 195 return dst; 196} 197 198static INLINE struct ureg_src 199ureg_src_register( unsigned file, 200 unsigned index ) 201{ 202 struct ureg_src src; 203 204 src.File = file; 205 src.SwizzleX = TGSI_SWIZZLE_X; 206 src.SwizzleY = TGSI_SWIZZLE_Y; 207 src.SwizzleZ = TGSI_SWIZZLE_Z; 208 src.SwizzleW = TGSI_SWIZZLE_W; 209 src.Pad = 0; 210 src.Indirect = 0; 211 src.Absolute = 0; 212 src.Index = index; 213 src.Negate = 0; 214 215 return src; 216} 217 218 219 220 221static struct ureg_src 222ureg_DECL_input( struct ureg_program *ureg, 223 unsigned name, 224 unsigned index, 225 unsigned interp_mode ) 226{ 227 unsigned i; 228 229 for (i = 0; i < ureg->nr_inputs; i++) { 230 if (ureg->input[i].semantic_name == name && 231 ureg->input[i].semantic_index == index) 232 goto out; 233 } 234 235 if (ureg->nr_inputs < UREG_MAX_INPUT) { 236 ureg->input[i].semantic_name = name; 237 ureg->input[i].semantic_index = index; 238 ureg->input[i].interp = interp_mode; 239 ureg->nr_inputs++; 240 } 241 else { 242 set_bad( ureg ); 243 } 244 245out: 246 return ureg_src_register( TGSI_FILE_INPUT, i ); 247} 248 249 250 251struct ureg_src 252ureg_DECL_fs_input( struct ureg_program *ureg, 253 unsigned name, 254 unsigned index, 255 unsigned interp ) 256{ 257 return ureg_DECL_input( ureg, name, index, interp ); 258} 259 260 261struct ureg_src 262ureg_DECL_vs_input( struct ureg_program *ureg, 263 unsigned name, 264 unsigned index ) 265{ 266 return ureg_DECL_input( ureg, name, index, TGSI_INTERPOLATE_CONSTANT ); 267} 268 269 270struct ureg_dst 271ureg_DECL_output( struct ureg_program *ureg, 272 unsigned name, 273 unsigned index ) 274{ 275 unsigned i; 276 277 for (i = 0; i < ureg->nr_outputs; i++) { 278 if (ureg->output[i].semantic_name == name && 279 ureg->output[i].semantic_index == index) 280 goto out; 281 } 282 283 if (ureg->nr_outputs < UREG_MAX_OUTPUT) { 284 ureg->output[i].semantic_name = name; 285 ureg->output[i].semantic_index = index; 286 ureg->nr_outputs++; 287 } 288 else { 289 set_bad( ureg ); 290 } 291 292out: 293 return ureg_dst_register( TGSI_FILE_OUTPUT, i ); 294} 295 296 297/* Returns a new constant register. Keep track of which have been 298 * referred to so that we can emit decls later. 299 * 300 * There is nothing in this code to bind this constant to any tracked 301 * value or manage any constant_buffer contents -- that's the 302 * resposibility of the calling code. 303 */ 304struct ureg_src ureg_DECL_constant(struct ureg_program *ureg ) 305{ 306 return ureg_src_register( TGSI_FILE_CONSTANT, ureg->nr_constants++ ); 307} 308 309 310/* Allocate a new temporary. Temporaries greater than UREG_MAX_TEMP 311 * are legal, but will not be released. 312 */ 313struct ureg_dst ureg_DECL_temporary( struct ureg_program *ureg ) 314{ 315 unsigned i; 316 317 for (i = 0; i < UREG_MAX_TEMP; i += 32) { 318 int bit = ffs(~ureg->temps_active[i/32]); 319 if (bit != 0) { 320 i += bit - 1; 321 goto out; 322 } 323 } 324 325 /* No reusable temps, so allocate a new one: 326 */ 327 i = ureg->nr_temps++; 328 329out: 330 if (i < UREG_MAX_TEMP) 331 ureg->temps_active[i/32] |= 1 << (i % 32); 332 333 if (i >= ureg->nr_temps) 334 ureg->nr_temps = i + 1; 335 336 return ureg_dst_register( TGSI_FILE_TEMPORARY, i ); 337} 338 339 340void ureg_release_temporary( struct ureg_program *ureg, 341 struct ureg_dst tmp ) 342{ 343 if (tmp.Index < UREG_MAX_TEMP) 344 ureg->temps_active[tmp.Index/32] &= ~(1 << (tmp.Index % 32)); 345} 346 347 348/* Allocate a new sampler. 349 */ 350struct ureg_src ureg_DECL_sampler( struct ureg_program *ureg ) 351{ 352 return ureg_src_register( TGSI_FILE_SAMPLER, ureg->nr_samplers++ ); 353} 354 355 356 357 358static int match_or_expand_immediate( const float *v, 359 unsigned nr, 360 float *v2, 361 unsigned *nr2, 362 unsigned *swizzle ) 363{ 364 unsigned i, j; 365 366 for (i = 0; i < nr; i++) { 367 boolean found = FALSE; 368 369 for (j = 0; j < *nr2 && !found; j++) { 370 if (v[i] == v2[j]) { 371 *swizzle |= j << (i * 2); 372 found = TRUE; 373 } 374 } 375 376 if (!found) { 377 if (*nr2 >= 4) 378 return FALSE; 379 380 v2[*nr2] = v[i]; 381 *swizzle |= *nr2 << (i * 2); 382 (*nr2)++; 383 } 384 } 385 386 return TRUE; 387} 388 389 390 391 392struct ureg_src ureg_DECL_immediate( struct ureg_program *ureg, 393 const float *v, 394 unsigned nr ) 395{ 396 unsigned i; 397 unsigned swizzle = 0; 398 399 /* Could do a first pass where we examine all existing immediates 400 * without expanding. 401 */ 402 403 for (i = 0; i < ureg->nr_immediates; i++) { 404 if (match_or_expand_immediate( v, 405 nr, 406 ureg->immediate[i].v, 407 &ureg->immediate[i].nr, 408 &swizzle )) 409 goto out; 410 } 411 412 if (ureg->nr_immediates < UREG_MAX_IMMEDIATE) { 413 i = ureg->nr_immediates++; 414 if (match_or_expand_immediate( v, 415 nr, 416 ureg->immediate[i].v, 417 &ureg->immediate[i].nr, 418 &swizzle )) 419 goto out; 420 } 421 422 set_bad( ureg ); 423 424out: 425 return ureg_swizzle( ureg_src_register( TGSI_FILE_IMMEDIATE, i ), 426 (swizzle >> 0) & 0x3, 427 (swizzle >> 2) & 0x3, 428 (swizzle >> 4) & 0x3, 429 (swizzle >> 6) & 0x3); 430} 431 432 433void 434ureg_emit_src( struct ureg_program *ureg, 435 struct ureg_src src ) 436{ 437 unsigned size = (1 + 438 (src.Absolute ? 1 : 0) + 439 (src.Indirect ? 1 : 0)); 440 441 union tgsi_any_token *out = get_tokens( ureg, DOMAIN_INSN, size ); 442 unsigned n = 0; 443 444 out[n].value = 0; 445 out[n].src.File = src.File; 446 out[n].src.SwizzleX = src.SwizzleX; 447 out[n].src.SwizzleY = src.SwizzleY; 448 out[n].src.SwizzleZ = src.SwizzleZ; 449 out[n].src.SwizzleW = src.SwizzleW; 450 out[n].src.Indirect = src.Indirect; 451 out[n].src.Index = src.Index; 452 n++; 453 454 if (src.Absolute) { 455 out[n].value = 0; 456 out[n].src_ext_mod.Absolute = 1; 457 n++; 458 } 459 460 if (src.Indirect) { 461 out[n].value = 0; 462 out[n].src.File = TGSI_FILE_ADDRESS; 463 out[n].src.SwizzleX = TGSI_SWIZZLE_X; 464 out[n].src.SwizzleY = TGSI_SWIZZLE_X; 465 out[n].src.SwizzleZ = TGSI_SWIZZLE_X; 466 out[n].src.SwizzleW = TGSI_SWIZZLE_X; 467 out[n].src.Indirect = 0; 468 out[n].src.Index = 0; 469 n++; 470 } 471 472 assert(n == size); 473} 474 475 476void 477ureg_emit_dst( struct ureg_program *ureg, 478 struct ureg_dst dst ) 479{ 480 unsigned size = (1 + 481 (dst.Indirect ? 1 : 0)); 482 483 union tgsi_any_token *out = get_tokens( ureg, DOMAIN_INSN, size ); 484 unsigned n = 0; 485 486 out[n].value = 0; 487 out[n].dst.File = dst.File; 488 out[n].dst.WriteMask = dst.WriteMask; 489 out[n].dst.Indirect = dst.Indirect; 490 out[n].dst.Index = dst.Index; 491 n++; 492 493 if (dst.Indirect) { 494 out[n].value = 0; 495 out[n].src.File = TGSI_FILE_ADDRESS; 496 out[n].src.SwizzleX = TGSI_SWIZZLE_X; 497 out[n].src.SwizzleY = TGSI_SWIZZLE_X; 498 out[n].src.SwizzleZ = TGSI_SWIZZLE_X; 499 out[n].src.SwizzleW = TGSI_SWIZZLE_X; 500 out[n].src.Indirect = 0; 501 out[n].src.Index = 0; 502 n++; 503 } 504 505 assert(n == size); 506} 507 508 509 510unsigned 511ureg_emit_insn(struct ureg_program *ureg, 512 unsigned opcode, 513 boolean saturate, 514 unsigned num_dst, 515 unsigned num_src ) 516{ 517 union tgsi_any_token *out; 518 519 out = get_tokens( ureg, DOMAIN_INSN, 1 ); 520 out[0].value = 0; 521 out[0].insn.Type = TGSI_TOKEN_TYPE_INSTRUCTION; 522 out[0].insn.NrTokens = 0; 523 out[0].insn.Opcode = opcode; 524 out[0].insn.Saturate = saturate; 525 out[0].insn.NrTokens = 0; 526 out[0].insn.NumDstRegs = num_dst; 527 out[0].insn.NumSrcRegs = num_src; 528 out[0].insn.Padding = 0; 529 out[0].insn.Extended = 0; 530 531 ureg->nr_instructions++; 532 533 return ureg->domain[DOMAIN_INSN].count - 1; 534} 535 536 537void 538ureg_emit_label(struct ureg_program *ureg, 539 unsigned insn_token, 540 unsigned *label_token ) 541{ 542 union tgsi_any_token *out, *insn; 543 544 out = get_tokens( ureg, DOMAIN_INSN, 1 ); 545 insn = retrieve_token( ureg, DOMAIN_INSN, insn_token ); 546 547 insn->insn.Extended = 1; 548 549 out[0].value = 0; 550 out[0].insn_ext_label.Type = TGSI_INSTRUCTION_EXT_TYPE_LABEL; 551 552 *label_token = ureg->domain[DOMAIN_INSN].count - 1; 553} 554 555/* Will return a number which can be used in a label to point to the 556 * next instruction to be emitted. 557 */ 558unsigned 559ureg_get_instruction_number( struct ureg_program *ureg ) 560{ 561 return ureg->nr_instructions; 562} 563 564/* Patch a given label (expressed as a token number) to point to a 565 * given instruction (expressed as an instruction number). 566 */ 567void 568ureg_fixup_label(struct ureg_program *ureg, 569 unsigned label_token, 570 unsigned instruction_number ) 571{ 572 union tgsi_any_token *out = retrieve_token( ureg, DOMAIN_INSN, label_token ); 573 574 assert(out->insn_ext_label.Type == TGSI_INSTRUCTION_EXT_TYPE_LABEL); 575 out->insn_ext_label.Label = instruction_number; 576} 577 578 579void 580ureg_emit_texture(struct ureg_program *ureg, 581 unsigned insn_token, 582 unsigned target ) 583{ 584 union tgsi_any_token *out, *insn; 585 586 out = get_tokens( ureg, DOMAIN_INSN, 1 ); 587 insn = retrieve_token( ureg, DOMAIN_INSN, insn_token ); 588 589 insn->insn.Extended = 1; 590 591 out[0].value = 0; 592 out[0].insn_ext_texture.Type = TGSI_INSTRUCTION_EXT_TYPE_TEXTURE; 593 out[0].insn_ext_texture.Texture = target; 594} 595 596 597void 598ureg_fixup_insn_size(struct ureg_program *ureg, 599 unsigned insn ) 600{ 601 union tgsi_any_token *out = retrieve_token( ureg, DOMAIN_INSN, insn ); 602 603 assert(out->insn.Type == TGSI_TOKEN_TYPE_INSTRUCTION); 604 out->insn.NrTokens = ureg->domain[DOMAIN_INSN].count - insn - 1; 605} 606 607 608void 609ureg_insn(struct ureg_program *ureg, 610 unsigned opcode, 611 const struct ureg_dst *dst, 612 unsigned nr_dst, 613 const struct ureg_src *src, 614 unsigned nr_src ) 615{ 616 unsigned insn, i; 617 boolean saturate; 618 619 saturate = nr_dst ? dst[0].Saturate : FALSE; 620 621 insn = ureg_emit_insn( ureg, opcode, saturate, nr_dst, nr_src ); 622 623 for (i = 0; i < nr_dst; i++) 624 ureg_emit_dst( ureg, dst[i] ); 625 626 for (i = 0; i < nr_src; i++) 627 ureg_emit_src( ureg, src[i] ); 628 629 ureg_fixup_insn_size( ureg, insn ); 630} 631 632 633 634static void emit_decl( struct ureg_program *ureg, 635 unsigned file, 636 unsigned index, 637 unsigned semantic_name, 638 unsigned semantic_index, 639 unsigned interp ) 640{ 641 union tgsi_any_token *out = get_tokens( ureg, DOMAIN_DECL, 3 ); 642 643 out[0].value = 0; 644 out[0].decl.Type = TGSI_TOKEN_TYPE_DECLARATION; 645 out[0].decl.NrTokens = 3; 646 out[0].decl.File = file; 647 out[0].decl.UsageMask = TGSI_WRITEMASK_XYZW; /* FIXME! */ 648 out[0].decl.Interpolate = interp; 649 out[0].decl.Semantic = 1; 650 651 out[1].value = 0; 652 out[1].decl_range.First = 653 out[1].decl_range.Last = index; 654 655 out[2].value = 0; 656 out[2].decl_semantic.SemanticName = semantic_name; 657 out[2].decl_semantic.SemanticIndex = semantic_index; 658 659} 660 661 662static void emit_decl_range( struct ureg_program *ureg, 663 unsigned file, 664 unsigned first, 665 unsigned count ) 666{ 667 union tgsi_any_token *out = get_tokens( ureg, DOMAIN_DECL, 2 ); 668 669 out[0].value = 0; 670 out[0].decl.Type = TGSI_TOKEN_TYPE_DECLARATION; 671 out[0].decl.NrTokens = 2; 672 out[0].decl.File = file; 673 out[0].decl.UsageMask = 0xf; 674 out[0].decl.Interpolate = TGSI_INTERPOLATE_CONSTANT; 675 out[0].decl.Semantic = 0; 676 677 out[1].value = 0; 678 out[1].decl_range.First = first; 679 out[1].decl_range.Last = first + count - 1; 680} 681 682static void emit_immediate( struct ureg_program *ureg, 683 const float *v ) 684{ 685 union tgsi_any_token *out = get_tokens( ureg, DOMAIN_DECL, 5 ); 686 687 out[0].value = 0; 688 out[0].imm.Type = TGSI_TOKEN_TYPE_IMMEDIATE; 689 out[0].imm.NrTokens = 5; 690 out[0].imm.DataType = TGSI_IMM_FLOAT32; 691 out[0].imm.Padding = 0; 692 out[0].imm.Extended = 0; 693 694 out[1].imm_data.Float = v[0]; 695 out[2].imm_data.Float = v[1]; 696 out[3].imm_data.Float = v[2]; 697 out[4].imm_data.Float = v[3]; 698} 699 700 701 702 703static void emit_decls( struct ureg_program *ureg ) 704{ 705 unsigned i; 706 707 for (i = 0; i < ureg->nr_inputs; i++) { 708 emit_decl( ureg, 709 TGSI_FILE_INPUT, 710 i, 711 ureg->input[i].semantic_name, 712 ureg->input[i].semantic_index, 713 ureg->input[i].interp ); 714 } 715 716 for (i = 0; i < ureg->nr_outputs; i++) { 717 emit_decl( ureg, 718 TGSI_FILE_OUTPUT, 719 i, 720 ureg->output[i].semantic_name, 721 ureg->output[i].semantic_index, 722 TGSI_INTERPOLATE_CONSTANT ); 723 } 724 725 if (ureg->nr_samplers) { 726 emit_decl_range( ureg, 727 TGSI_FILE_SAMPLER, 728 0, ureg->nr_samplers ); 729 } 730 731 if (ureg->nr_constants) { 732 emit_decl_range( ureg, 733 TGSI_FILE_CONSTANT, 734 0, ureg->nr_constants ); 735 } 736 737 if (ureg->nr_temps) { 738 emit_decl_range( ureg, 739 TGSI_FILE_TEMPORARY, 740 0, ureg->nr_temps ); 741 } 742 743 for (i = 0; i < ureg->nr_immediates; i++) { 744 emit_immediate( ureg, 745 ureg->immediate[i].v ); 746 } 747} 748 749/* Append the instruction tokens onto the declarations to build a 750 * contiguous stream suitable to send to the driver. 751 */ 752static void copy_instructions( struct ureg_program *ureg ) 753{ 754 unsigned nr_tokens = ureg->domain[DOMAIN_INSN].count; 755 union tgsi_any_token *out = get_tokens( ureg, 756 DOMAIN_DECL, 757 nr_tokens ); 758 759 memcpy(out, 760 ureg->domain[DOMAIN_INSN].tokens, 761 nr_tokens * sizeof out[0] ); 762} 763 764 765static void 766fixup_header_size(struct ureg_program *ureg ) 767{ 768 union tgsi_any_token *out = retrieve_token( ureg, DOMAIN_DECL, 1 ); 769 770 out->header.BodySize = ureg->domain[DOMAIN_DECL].count - 3; 771} 772 773 774static void 775emit_header( struct ureg_program *ureg ) 776{ 777 union tgsi_any_token *out = get_tokens( ureg, DOMAIN_DECL, 3 ); 778 779 out[0].version.MajorVersion = 1; 780 out[0].version.MinorVersion = 1; 781 out[0].version.Padding = 0; 782 783 out[1].header.HeaderSize = 2; 784 out[1].header.BodySize = 0; 785 786 out[2].processor.Processor = ureg->processor; 787 out[2].processor.Padding = 0; 788} 789 790 791void *ureg_create_shader( struct ureg_program *ureg ) 792{ 793 struct pipe_shader_state state; 794 795 emit_header( ureg ); 796 emit_decls( ureg ); 797 copy_instructions( ureg ); 798 fixup_header_size( ureg ); 799 800 if (ureg->domain[0].tokens == error_tokens || 801 ureg->domain[1].tokens == error_tokens) { 802 debug_printf("%s: error in generated shader\n", __FUNCTION__); 803 assert(0); 804 return NULL; 805 } 806 807 state.tokens = (const struct tgsi_token *)ureg->domain[DOMAIN_DECL].tokens; 808 809 if (0) { 810 debug_printf("%s: emitted shader %d tokens:\n", __FUNCTION__, 811 ureg->domain[DOMAIN_DECL].count); 812 tgsi_dump( state.tokens, 0 ); 813 } 814 815 if (ureg->processor == TGSI_PROCESSOR_VERTEX) 816 return ureg->pipe->create_vs_state( ureg->pipe, &state ); 817 else 818 return ureg->pipe->create_fs_state( ureg->pipe, &state ); 819} 820 821 822 823 824struct ureg_program *ureg_create( struct pipe_context *pipe, 825 unsigned processor ) 826{ 827 struct ureg_program *ureg = CALLOC_STRUCT( ureg_program ); 828 if (ureg == NULL) 829 return NULL; 830 831 ureg->pipe = pipe; 832 ureg->processor = processor; 833 return ureg; 834} 835 836 837void ureg_destroy( struct ureg_program *ureg ) 838{ 839 unsigned i; 840 841 for (i = 0; i < Elements(ureg->domain); i++) { 842 if (ureg->domain[i].tokens && 843 ureg->domain[i].tokens != error_tokens) 844 FREE(ureg->domain[i].tokens); 845 } 846 847 FREE(ureg); 848} 849