tgsi_dump.c revision 92209314df4f12e8b47336a25ba14cb6b9a23df2
1/************************************************************************** 2 * 3 * Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas. 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 TUNGSTEN GRAPHICS 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#include "util/u_debug.h" 29#include "util/u_string.h" 30#include "util/u_math.h" 31#include "util/u_memory.h" 32#include "tgsi_dump.h" 33#include "tgsi_info.h" 34#include "tgsi_iterate.h" 35 36 37/** Number of spaces to indent for IF/LOOP/etc */ 38static const int indent_spaces = 3; 39 40 41struct dump_ctx 42{ 43 struct tgsi_iterate_context iter; 44 45 uint instno; 46 int indent; 47 48 uint indentation; 49 50 void (*printf)(struct dump_ctx *ctx, const char *format, ...); 51}; 52 53static void 54dump_ctx_printf(struct dump_ctx *ctx, const char *format, ...) 55{ 56 va_list ap; 57 (void)ctx; 58 va_start(ap, format); 59 _debug_vprintf(format, ap); 60 va_end(ap); 61} 62 63static void 64dump_enum( 65 struct dump_ctx *ctx, 66 uint e, 67 const char **enums, 68 uint enum_count ) 69{ 70 if (e >= enum_count) 71 ctx->printf( ctx, "%u", e ); 72 else 73 ctx->printf( ctx, "%s", enums[e] ); 74} 75 76#define EOL() ctx->printf( ctx, "\n" ) 77#define TXT(S) ctx->printf( ctx, "%s", S ) 78#define CHR(C) ctx->printf( ctx, "%c", C ) 79#define UIX(I) ctx->printf( ctx, "0x%x", I ) 80#define UID(I) ctx->printf( ctx, "%u", I ) 81#define INSTID(I) ctx->printf( ctx, "% 3u", I ) 82#define SID(I) ctx->printf( ctx, "%d", I ) 83#define FLT(F) ctx->printf( ctx, "%10.4f", F ) 84#define ENM(E,ENUMS) dump_enum( ctx, E, ENUMS, sizeof( ENUMS ) / sizeof( *ENUMS ) ) 85 86static const char *processor_type_names[] = 87{ 88 "FRAG", 89 "VERT", 90 "GEOM" 91}; 92 93const char * 94tgsi_file_names[TGSI_FILE_COUNT] = 95{ 96 "NULL", 97 "CONST", 98 "IN", 99 "OUT", 100 "TEMP", 101 "SAMP", 102 "ADDR", 103 "IMM", 104 "PRED", 105 "SV", 106 "IMMX", 107 "TEMPX" 108}; 109 110static const char *interpolate_names[] = 111{ 112 "CONSTANT", 113 "LINEAR", 114 "PERSPECTIVE" 115}; 116 117static const char *semantic_names[] = 118{ 119 "POSITION", 120 "COLOR", 121 "BCOLOR", 122 "FOG", 123 "PSIZE", 124 "GENERIC", 125 "NORMAL", 126 "FACE", 127 "EDGEFLAG", 128 "PRIM_ID", 129 "INSTANCEID", 130 "STENCIL" 131}; 132 133static const char *immediate_type_names[] = 134{ 135 "FLT32", 136 "UINT32", 137 "INT32" 138}; 139 140const char * 141tgsi_swizzle_names[4] = 142{ 143 "x", 144 "y", 145 "z", 146 "w" 147}; 148 149const char * 150tgsi_texture_names[TGSI_TEXTURE_COUNT] = 151{ 152 "UNKNOWN", 153 "1D", 154 "2D", 155 "3D", 156 "CUBE", 157 "RECT", 158 "SHADOW1D", 159 "SHADOW2D", 160 "SHADOWRECT" 161}; 162 163const char *tgsi_property_names[TGSI_PROPERTY_COUNT] = 164{ 165 "GS_INPUT_PRIMITIVE", 166 "GS_OUTPUT_PRIMITIVE", 167 "GS_MAX_OUTPUT_VERTICES", 168 "FS_COORD_ORIGIN", 169 "FS_COORD_PIXEL_CENTER", 170 "FS_COLOR0_WRITES_ALL_CBUFS", 171}; 172 173const char *tgsi_primitive_names[PIPE_PRIM_MAX] = 174{ 175 "POINTS", 176 "LINES", 177 "LINE_LOOP", 178 "LINE_STRIP", 179 "TRIANGLES", 180 "TRIANGLE_STRIP", 181 "TRIANGLE_FAN", 182 "QUADS", 183 "QUAD_STRIP", 184 "POLYGON", 185 "LINES_ADJACENCY", 186 "LINE_STRIP_ADJACENCY", 187 "TRIANGLES_ADJACENCY", 188 "TRIANGLE_STRIP_ADJACENCY" 189}; 190 191const char *tgsi_fs_coord_origin_names[2] = 192{ 193 "UPPER_LEFT", 194 "LOWER_LEFT" 195}; 196 197const char *tgsi_fs_coord_pixel_center_names[2] = 198{ 199 "HALF_INTEGER", 200 "INTEGER" 201}; 202 203 204static void 205_dump_register_src( 206 struct dump_ctx *ctx, 207 const struct tgsi_full_src_register *src ) 208{ 209 ENM(src->Register.File, tgsi_file_names); 210 if (src->Register.Dimension) { 211 if (src->Dimension.Indirect) { 212 CHR( '[' ); 213 ENM( src->DimIndirect.File, tgsi_file_names ); 214 CHR( '[' ); 215 SID( src->DimIndirect.Index ); 216 TXT( "]." ); 217 ENM( src->DimIndirect.SwizzleX, tgsi_swizzle_names ); 218 if (src->Dimension.Index != 0) { 219 if (src->Dimension.Index > 0) 220 CHR( '+' ); 221 SID( src->Dimension.Index ); 222 } 223 CHR( ']' ); 224 } else { 225 CHR('['); 226 SID(src->Dimension.Index); 227 CHR(']'); 228 } 229 } 230 if (src->Register.Indirect) { 231 CHR( '[' ); 232 ENM( src->Indirect.File, tgsi_file_names ); 233 CHR( '[' ); 234 SID( src->Indirect.Index ); 235 TXT( "]." ); 236 ENM( src->Indirect.SwizzleX, tgsi_swizzle_names ); 237 if (src->Register.Index != 0) { 238 if (src->Register.Index > 0) 239 CHR( '+' ); 240 SID( src->Register.Index ); 241 } 242 CHR( ']' ); 243 } else { 244 CHR( '[' ); 245 SID( src->Register.Index ); 246 CHR( ']' ); 247 } 248} 249 250 251static void 252_dump_register_dst( 253 struct dump_ctx *ctx, 254 const struct tgsi_full_dst_register *dst ) 255{ 256 ENM(dst->Register.File, tgsi_file_names); 257 if (dst->Register.Dimension) { 258 if (dst->Dimension.Indirect) { 259 CHR( '[' ); 260 ENM( dst->DimIndirect.File, tgsi_file_names ); 261 CHR( '[' ); 262 SID( dst->DimIndirect.Index ); 263 TXT( "]." ); 264 ENM( dst->DimIndirect.SwizzleX, tgsi_swizzle_names ); 265 if (dst->Dimension.Index != 0) { 266 if (dst->Dimension.Index > 0) 267 CHR( '+' ); 268 SID( dst->Dimension.Index ); 269 } 270 CHR( ']' ); 271 } else { 272 CHR('['); 273 SID(dst->Dimension.Index); 274 CHR(']'); 275 } 276 } 277 if (dst->Register.Indirect) { 278 CHR( '[' ); 279 ENM( dst->Indirect.File, tgsi_file_names ); 280 CHR( '[' ); 281 SID( dst->Indirect.Index ); 282 TXT( "]." ); 283 ENM( dst->Indirect.SwizzleX, tgsi_swizzle_names ); 284 if (dst->Register.Index != 0) { 285 if (dst->Register.Index > 0) 286 CHR( '+' ); 287 SID( dst->Register.Index ); 288 } 289 CHR( ']' ); 290 } else { 291 CHR( '[' ); 292 SID( dst->Register.Index ); 293 CHR( ']' ); 294 } 295} 296static void 297_dump_writemask( 298 struct dump_ctx *ctx, 299 uint writemask ) 300{ 301 if (writemask != TGSI_WRITEMASK_XYZW) { 302 CHR( '.' ); 303 if (writemask & TGSI_WRITEMASK_X) 304 CHR( 'x' ); 305 if (writemask & TGSI_WRITEMASK_Y) 306 CHR( 'y' ); 307 if (writemask & TGSI_WRITEMASK_Z) 308 CHR( 'z' ); 309 if (writemask & TGSI_WRITEMASK_W) 310 CHR( 'w' ); 311 } 312} 313 314static void 315dump_imm_data(struct tgsi_iterate_context *iter, 316 union tgsi_immediate_data *data, 317 unsigned num_tokens, 318 unsigned data_type) 319{ 320 struct dump_ctx *ctx = (struct dump_ctx *)iter; 321 unsigned i ; 322 323 TXT( " {" ); 324 325 assert( num_tokens <= 4 ); 326 for (i = 0; i < num_tokens; i++) { 327 switch (data_type) { 328 case TGSI_IMM_FLOAT32: 329 FLT( data[i].Float ); 330 break; 331 case TGSI_IMM_UINT32: 332 UID(data[i].Uint); 333 break; 334 case TGSI_IMM_INT32: 335 SID(data[i].Int); 336 break; 337 default: 338 assert( 0 ); 339 } 340 341 if (i < num_tokens - 1) 342 TXT( ", " ); 343 } 344 TXT( "}" ); 345} 346 347static boolean 348iter_declaration( 349 struct tgsi_iterate_context *iter, 350 struct tgsi_full_declaration *decl ) 351{ 352 struct dump_ctx *ctx = (struct dump_ctx *)iter; 353 354 assert(Elements(semantic_names) == TGSI_SEMANTIC_COUNT); 355 assert(Elements(interpolate_names) == TGSI_INTERPOLATE_COUNT); 356 357 TXT( "DCL " ); 358 359 ENM(decl->Declaration.File, tgsi_file_names); 360 361 /* all geometry shader inputs are two dimensional */ 362 if (decl->Declaration.File == TGSI_FILE_INPUT && 363 iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY) { 364 TXT("[]"); 365 } 366 367 if (decl->Declaration.Dimension) { 368 CHR('['); 369 SID(decl->Dim.Index2D); 370 CHR(']'); 371 } 372 373 CHR('['); 374 SID(decl->Range.First); 375 if (decl->Range.First != decl->Range.Last) { 376 TXT(".."); 377 SID(decl->Range.Last); 378 } 379 CHR(']'); 380 381 _dump_writemask( 382 ctx, 383 decl->Declaration.UsageMask ); 384 385 if (decl->Declaration.Semantic) { 386 TXT( ", " ); 387 ENM( decl->Semantic.Name, semantic_names ); 388 if (decl->Semantic.Index != 0 || 389 decl->Semantic.Name == TGSI_SEMANTIC_GENERIC) { 390 CHR( '[' ); 391 UID( decl->Semantic.Index ); 392 CHR( ']' ); 393 } 394 } 395 396 if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT && 397 decl->Declaration.File == TGSI_FILE_INPUT) 398 { 399 TXT( ", " ); 400 ENM( decl->Declaration.Interpolate, interpolate_names ); 401 } 402 403 if (decl->Declaration.Centroid) { 404 TXT( ", CENTROID" ); 405 } 406 407 if (decl->Declaration.Invariant) { 408 TXT( ", INVARIANT" ); 409 } 410 411 if (decl->Declaration.CylindricalWrap) { 412 TXT(", CYLWRAP_"); 413 if (decl->Declaration.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_X) { 414 CHR('X'); 415 } 416 if (decl->Declaration.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_Y) { 417 CHR('Y'); 418 } 419 if (decl->Declaration.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_Z) { 420 CHR('Z'); 421 } 422 if (decl->Declaration.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_W) { 423 CHR('W'); 424 } 425 } 426 427 if (decl->Declaration.File == TGSI_FILE_IMMEDIATE_ARRAY) { 428 unsigned i; 429 char range_indent[4]; 430 431 TXT(" {"); 432 433 if (decl->Range.Last < 10) 434 range_indent[0] = '\0'; 435 else if (decl->Range.Last < 100) { 436 range_indent[0] = ' '; 437 range_indent[1] = '\0'; 438 } else if (decl->Range.Last < 1000) { 439 range_indent[0] = ' '; 440 range_indent[1] = ' '; 441 range_indent[2] = '\0'; 442 } else { 443 range_indent[0] = ' '; 444 range_indent[1] = ' '; 445 range_indent[2] = ' '; 446 range_indent[3] = '\0'; 447 } 448 449 dump_imm_data(iter, decl->ImmediateData.u, 450 4, TGSI_IMM_FLOAT32); 451 for(i = 1; i <= decl->Range.Last; ++i) { 452 /* indent by strlen of: 453 * "DCL IMMX[0..1] {" */ 454 CHR('\n'); 455 TXT( " " ); 456 TXT( range_indent ); 457 dump_imm_data(iter, decl->ImmediateData.u + i, 458 4, TGSI_IMM_FLOAT32); 459 } 460 461 TXT(" }"); 462 } 463 464 EOL(); 465 466 return TRUE; 467} 468 469void 470tgsi_dump_declaration( 471 const struct tgsi_full_declaration *decl ) 472{ 473 struct dump_ctx ctx; 474 475 ctx.printf = dump_ctx_printf; 476 477 iter_declaration( &ctx.iter, (struct tgsi_full_declaration *)decl ); 478} 479 480static boolean 481iter_property( 482 struct tgsi_iterate_context *iter, 483 struct tgsi_full_property *prop ) 484{ 485 int i; 486 struct dump_ctx *ctx = (struct dump_ctx *)iter; 487 488 assert(Elements(tgsi_property_names) == TGSI_PROPERTY_COUNT); 489 490 TXT( "PROPERTY " ); 491 ENM(prop->Property.PropertyName, tgsi_property_names); 492 493 if (prop->Property.NrTokens > 1) 494 TXT(" "); 495 496 for (i = 0; i < prop->Property.NrTokens - 1; ++i) { 497 switch (prop->Property.PropertyName) { 498 case TGSI_PROPERTY_GS_INPUT_PRIM: 499 case TGSI_PROPERTY_GS_OUTPUT_PRIM: 500 ENM(prop->u[i].Data, tgsi_primitive_names); 501 break; 502 case TGSI_PROPERTY_FS_COORD_ORIGIN: 503 ENM(prop->u[i].Data, tgsi_fs_coord_origin_names); 504 break; 505 case TGSI_PROPERTY_FS_COORD_PIXEL_CENTER: 506 ENM(prop->u[i].Data, tgsi_fs_coord_pixel_center_names); 507 break; 508 default: 509 SID( prop->u[i].Data ); 510 break; 511 } 512 if (i < prop->Property.NrTokens - 2) 513 TXT( ", " ); 514 } 515 EOL(); 516 517 return TRUE; 518} 519 520void tgsi_dump_property( 521 const struct tgsi_full_property *prop ) 522{ 523 struct dump_ctx ctx; 524 525 ctx.printf = dump_ctx_printf; 526 527 iter_property( &ctx.iter, (struct tgsi_full_property *)prop ); 528} 529 530static boolean 531iter_immediate( 532 struct tgsi_iterate_context *iter, 533 struct tgsi_full_immediate *imm ) 534{ 535 struct dump_ctx *ctx = (struct dump_ctx *) iter; 536 537 TXT( "IMM " ); 538 ENM( imm->Immediate.DataType, immediate_type_names ); 539 540 dump_imm_data(iter, imm->u, imm->Immediate.NrTokens - 1, 541 imm->Immediate.DataType); 542 543 EOL(); 544 545 return TRUE; 546} 547 548void 549tgsi_dump_immediate( 550 const struct tgsi_full_immediate *imm ) 551{ 552 struct dump_ctx ctx; 553 554 ctx.printf = dump_ctx_printf; 555 556 iter_immediate( &ctx.iter, (struct tgsi_full_immediate *)imm ); 557} 558 559static boolean 560iter_instruction( 561 struct tgsi_iterate_context *iter, 562 struct tgsi_full_instruction *inst ) 563{ 564 struct dump_ctx *ctx = (struct dump_ctx *) iter; 565 uint instno = ctx->instno++; 566 const struct tgsi_opcode_info *info = tgsi_get_opcode_info( inst->Instruction.Opcode ); 567 uint i; 568 boolean first_reg = TRUE; 569 570 INSTID( instno ); 571 TXT( ": " ); 572 573 ctx->indent -= info->pre_dedent; 574 for(i = 0; (int)i < ctx->indent; ++i) 575 TXT( " " ); 576 ctx->indent += info->post_indent; 577 578 if (inst->Instruction.Predicate) { 579 CHR( '(' ); 580 581 if (inst->Predicate.Negate) 582 CHR( '!' ); 583 584 TXT( "PRED[" ); 585 SID( inst->Predicate.Index ); 586 CHR( ']' ); 587 588 if (inst->Predicate.SwizzleX != TGSI_SWIZZLE_X || 589 inst->Predicate.SwizzleY != TGSI_SWIZZLE_Y || 590 inst->Predicate.SwizzleZ != TGSI_SWIZZLE_Z || 591 inst->Predicate.SwizzleW != TGSI_SWIZZLE_W) { 592 CHR( '.' ); 593 ENM( inst->Predicate.SwizzleX, tgsi_swizzle_names ); 594 ENM( inst->Predicate.SwizzleY, tgsi_swizzle_names ); 595 ENM( inst->Predicate.SwizzleZ, tgsi_swizzle_names ); 596 ENM( inst->Predicate.SwizzleW, tgsi_swizzle_names ); 597 } 598 599 TXT( ") " ); 600 } 601 602 TXT( info->mnemonic ); 603 604 switch (inst->Instruction.Saturate) { 605 case TGSI_SAT_NONE: 606 break; 607 case TGSI_SAT_ZERO_ONE: 608 TXT( "_SAT" ); 609 break; 610 case TGSI_SAT_MINUS_PLUS_ONE: 611 TXT( "_SATNV" ); 612 break; 613 default: 614 assert( 0 ); 615 } 616 617 for (i = 0; i < inst->Instruction.NumDstRegs; i++) { 618 const struct tgsi_full_dst_register *dst = &inst->Dst[i]; 619 620 if (!first_reg) 621 CHR( ',' ); 622 CHR( ' ' ); 623 624 _dump_register_dst( ctx, dst ); 625 _dump_writemask( ctx, dst->Register.WriteMask ); 626 627 first_reg = FALSE; 628 } 629 630 for (i = 0; i < inst->Instruction.NumSrcRegs; i++) { 631 const struct tgsi_full_src_register *src = &inst->Src[i]; 632 633 if (!first_reg) 634 CHR( ',' ); 635 CHR( ' ' ); 636 637 if (src->Register.Negate) 638 CHR( '-' ); 639 if (src->Register.Absolute) 640 CHR( '|' ); 641 642 _dump_register_src(ctx, src); 643 644 if (src->Register.SwizzleX != TGSI_SWIZZLE_X || 645 src->Register.SwizzleY != TGSI_SWIZZLE_Y || 646 src->Register.SwizzleZ != TGSI_SWIZZLE_Z || 647 src->Register.SwizzleW != TGSI_SWIZZLE_W) { 648 CHR( '.' ); 649 ENM( src->Register.SwizzleX, tgsi_swizzle_names ); 650 ENM( src->Register.SwizzleY, tgsi_swizzle_names ); 651 ENM( src->Register.SwizzleZ, tgsi_swizzle_names ); 652 ENM( src->Register.SwizzleW, tgsi_swizzle_names ); 653 } 654 655 if (src->Register.Absolute) 656 CHR( '|' ); 657 658 first_reg = FALSE; 659 } 660 661 if (inst->Instruction.Texture) { 662 TXT( ", " ); 663 ENM( inst->Texture.Texture, tgsi_texture_names ); 664 } 665 666 switch (inst->Instruction.Opcode) { 667 case TGSI_OPCODE_IF: 668 case TGSI_OPCODE_ELSE: 669 case TGSI_OPCODE_BGNLOOP: 670 case TGSI_OPCODE_ENDLOOP: 671 case TGSI_OPCODE_CAL: 672 TXT( " :" ); 673 UID( inst->Label.Label ); 674 break; 675 } 676 677 /* update indentation */ 678 if (inst->Instruction.Opcode == TGSI_OPCODE_IF || 679 inst->Instruction.Opcode == TGSI_OPCODE_ELSE || 680 inst->Instruction.Opcode == TGSI_OPCODE_BGNLOOP) { 681 ctx->indentation += indent_spaces; 682 } 683 684 EOL(); 685 686 return TRUE; 687} 688 689void 690tgsi_dump_instruction( 691 const struct tgsi_full_instruction *inst, 692 uint instno ) 693{ 694 struct dump_ctx ctx; 695 696 ctx.instno = instno; 697 ctx.indent = 0; 698 ctx.printf = dump_ctx_printf; 699 ctx.indentation = 0; 700 701 iter_instruction( &ctx.iter, (struct tgsi_full_instruction *)inst ); 702} 703 704static boolean 705prolog( 706 struct tgsi_iterate_context *iter ) 707{ 708 struct dump_ctx *ctx = (struct dump_ctx *) iter; 709 ENM( iter->processor.Processor, processor_type_names ); 710 EOL(); 711 return TRUE; 712} 713 714void 715tgsi_dump( 716 const struct tgsi_token *tokens, 717 uint flags ) 718{ 719 struct dump_ctx ctx; 720 721 ctx.iter.prolog = prolog; 722 ctx.iter.iterate_instruction = iter_instruction; 723 ctx.iter.iterate_declaration = iter_declaration; 724 ctx.iter.iterate_immediate = iter_immediate; 725 ctx.iter.iterate_property = iter_property; 726 ctx.iter.epilog = NULL; 727 728 ctx.instno = 0; 729 ctx.indent = 0; 730 ctx.printf = dump_ctx_printf; 731 ctx.indentation = 0; 732 733 tgsi_iterate_shader( tokens, &ctx.iter ); 734} 735 736struct str_dump_ctx 737{ 738 struct dump_ctx base; 739 char *str; 740 char *ptr; 741 int left; 742}; 743 744static void 745str_dump_ctx_printf(struct dump_ctx *ctx, const char *format, ...) 746{ 747 struct str_dump_ctx *sctx = (struct str_dump_ctx *)ctx; 748 749 if(sctx->left > 1) { 750 int written; 751 va_list ap; 752 va_start(ap, format); 753 written = util_vsnprintf(sctx->ptr, sctx->left, format, ap); 754 va_end(ap); 755 756 /* Some complicated logic needed to handle the return value of 757 * vsnprintf: 758 */ 759 if (written > 0) { 760 written = MIN2(sctx->left, written); 761 sctx->ptr += written; 762 sctx->left -= written; 763 } 764 } 765} 766 767void 768tgsi_dump_str( 769 const struct tgsi_token *tokens, 770 uint flags, 771 char *str, 772 size_t size) 773{ 774 struct str_dump_ctx ctx; 775 776 ctx.base.iter.prolog = prolog; 777 ctx.base.iter.iterate_instruction = iter_instruction; 778 ctx.base.iter.iterate_declaration = iter_declaration; 779 ctx.base.iter.iterate_immediate = iter_immediate; 780 ctx.base.iter.iterate_property = iter_property; 781 ctx.base.iter.epilog = NULL; 782 783 ctx.base.instno = 0; 784 ctx.base.indent = 0; 785 ctx.base.printf = &str_dump_ctx_printf; 786 ctx.base.indentation = 0; 787 788 ctx.str = str; 789 ctx.str[0] = 0; 790 ctx.ptr = str; 791 ctx.left = (int)size; 792 793 tgsi_iterate_shader( tokens, &ctx.base.iter ); 794} 795