src/gallium/auxiliary/tgsi/tgsi_dump.c

   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 */
  38 static const int indent_spaces = 3;
  39
  40
  41 struct 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
  53 static void
  54 dump_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
  63 static void
  64 dump_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
  86 static const char *processor_type_names[] =
  87 {
  88    "FRAG",
  89    "VERT",
  90    "GEOM"
  91 };
  92
  93 const char *
  94 tgsi_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    "RES"
 109 };
 110
 111 static const char *interpolate_names[] =
 112 {
 113    "CONSTANT",
 114    "LINEAR",
 115    "PERSPECTIVE"
 116 };
 117
 118 static const char *semantic_names[] =
 119 {
 120    "POSITION",
 121    "COLOR",
 122    "BCOLOR",
 123    "FOG",
 124    "PSIZE",
 125    "GENERIC",
 126    "NORMAL",
 127    "FACE",
 128    "EDGEFLAG",
 129    "PRIM_ID",
 130    "INSTANCEID",
 131    "VERTEXID",
 132    "STENCIL"
 133 };
 134
 135 static const char *immediate_type_names[] =
 136 {
 137    "FLT32",
 138    "UINT32",
 139    "INT32"
 140 };
 141
 142 const char *
 143 tgsi_swizzle_names[4] =
 144 {
 145    "x",
 146    "y",
 147    "z",
 148    "w"
 149 };
 150
 151 const char *
 152 tgsi_texture_names[TGSI_TEXTURE_COUNT] =
 153 {
 154    "UNKNOWN",
 155    "1D",
 156    "2D",
 157    "3D",
 158    "CUBE",
 159    "RECT",
 160    "SHADOW1D",
 161    "SHADOW2D",
 162    "SHADOWRECT",
 163    "1DARRAY",
 164    "2DARRAY",
 165    "SHADOW1DARRAY",
 166    "SHADOW2DARRAY",
 167 };
 168
 169 const char *tgsi_property_names[TGSI_PROPERTY_COUNT] =
 170 {
 171    "GS_INPUT_PRIMITIVE",
 172    "GS_OUTPUT_PRIMITIVE",
 173    "GS_MAX_OUTPUT_VERTICES",
 174    "FS_COORD_ORIGIN",
 175    "FS_COORD_PIXEL_CENTER",
 176    "FS_COLOR0_WRITES_ALL_CBUFS",
 177 };
 178
 179 static const char *tgsi_type_names[] =
 180 {
 181    "UNORM",
 182    "SNORM",
 183    "SINT",
 184    "UINT",
 185    "FLOAT"
 186 };
 187
 188 const char *tgsi_primitive_names[PIPE_PRIM_MAX] =
 189 {
 190    "POINTS",
 191    "LINES",
 192    "LINE_LOOP",
 193    "LINE_STRIP",
 194    "TRIANGLES",
 195    "TRIANGLE_STRIP",
 196    "TRIANGLE_FAN",
 197    "QUADS",
 198    "QUAD_STRIP",
 199    "POLYGON",
 200    "LINES_ADJACENCY",
 201    "LINE_STRIP_ADJACENCY",
 202    "TRIANGLES_ADJACENCY",
 203    "TRIANGLE_STRIP_ADJACENCY"
 204 };
 205
 206 const char *tgsi_fs_coord_origin_names[2] =
 207 {
 208    "UPPER_LEFT",
 209    "LOWER_LEFT"
 210 };
 211
 212 const char *tgsi_fs_coord_pixel_center_names[2] =
 213 {
 214    "HALF_INTEGER",
 215    "INTEGER"
 216 };
 217
 218
 219 static void
 220 _dump_register_src(
 221    struct dump_ctx *ctx,
 222    const struct tgsi_full_src_register *src )
 223 {
 224    ENM(src->Register.File, tgsi_file_names);
 225    if (src->Register.Dimension) {
 226       if (src->Dimension.Indirect) {
 227          CHR( '[' );
 228          ENM( src->DimIndirect.File, tgsi_file_names );
 229          CHR( '[' );
 230          SID( src->DimIndirect.Index );
 231          TXT( "]." );
 232          ENM( src->DimIndirect.SwizzleX, tgsi_swizzle_names );
 233          if (src->Dimension.Index != 0) {
 234             if (src->Dimension.Index > 0)
 235                CHR( '+' );
 236             SID( src->Dimension.Index );
 237          }
 238          CHR( ']' );
 239       } else {
 240          CHR('[');
 241          SID(src->Dimension.Index);
 242          CHR(']');
 243       }
 244    }
 245    if (src->Register.Indirect) {
 246       CHR( '[' );
 247       ENM( src->Indirect.File, tgsi_file_names );
 248       CHR( '[' );
 249       SID( src->Indirect.Index );
 250       TXT( "]." );
 251       ENM( src->Indirect.SwizzleX, tgsi_swizzle_names );
 252       if (src->Register.Index != 0) {
 253          if (src->Register.Index > 0)
 254             CHR( '+' );
 255          SID( src->Register.Index );
 256       }
 257       CHR( ']' );
 258    } else {
 259       CHR( '[' );
 260       SID( src->Register.Index );
 261       CHR( ']' );
 262    }
 263 }
 264
 265
 266 static void
 267 _dump_register_dst(
 268    struct dump_ctx *ctx,
 269    const struct tgsi_full_dst_register *dst )
 270 {
 271    ENM(dst->Register.File, tgsi_file_names);
 272    if (dst->Register.Dimension) {
 273       if (dst->Dimension.Indirect) {
 274          CHR( '[' );
 275          ENM( dst->DimIndirect.File, tgsi_file_names );
 276          CHR( '[' );
 277          SID( dst->DimIndirect.Index );
 278          TXT( "]." );
 279          ENM( dst->DimIndirect.SwizzleX, tgsi_swizzle_names );
 280          if (dst->Dimension.Index != 0) {
 281             if (dst->Dimension.Index > 0)
 282                CHR( '+' );
 283             SID( dst->Dimension.Index );
 284          }
 285          CHR( ']' );
 286       } else {
 287          CHR('[');
 288          SID(dst->Dimension.Index);
 289          CHR(']');
 290       }
 291    }
 292    if (dst->Register.Indirect) {
 293       CHR( '[' );
 294       ENM( dst->Indirect.File, tgsi_file_names );
 295       CHR( '[' );
 296       SID( dst->Indirect.Index );
 297       TXT( "]." );
 298       ENM( dst->Indirect.SwizzleX, tgsi_swizzle_names );
 299       if (dst->Register.Index != 0) {
 300          if (dst->Register.Index > 0)
 301             CHR( '+' );
 302          SID( dst->Register.Index );
 303       }
 304       CHR( ']' );
 305    } else {
 306       CHR( '[' );
 307       SID( dst->Register.Index );
 308       CHR( ']' );
 309    }
 310 }
 311 static void
 312 _dump_writemask(
 313    struct dump_ctx *ctx,
 314    uint writemask )
 315 {
 316    if (writemask != TGSI_WRITEMASK_XYZW) {
 317       CHR( '.' );
 318       if (writemask & TGSI_WRITEMASK_X)
 319          CHR( 'x' );
 320       if (writemask & TGSI_WRITEMASK_Y)
 321          CHR( 'y' );
 322       if (writemask & TGSI_WRITEMASK_Z)
 323          CHR( 'z' );
 324       if (writemask & TGSI_WRITEMASK_W)
 325          CHR( 'w' );
 326    }
 327 }
 328
 329 static void
 330 dump_imm_data(struct tgsi_iterate_context *iter,
 331               union tgsi_immediate_data *data,
 332               unsigned num_tokens,
 333               unsigned data_type)
 334 {
 335    struct dump_ctx *ctx = (struct dump_ctx *)iter;
 336    unsigned i ;
 337
 338    TXT( " {" );
 339
 340    assert( num_tokens <= 4 );
 341    for (i = 0; i < num_tokens; i++) {
 342       switch (data_type) {
 343       case TGSI_IMM_FLOAT32:
 344          FLT( data[i].Float );
 345          break;
 346       case TGSI_IMM_UINT32:
 347          UID(data[i].Uint);
 348          break;
 349       case TGSI_IMM_INT32:
 350          SID(data[i].Int);
 351          break;
 352       default:
 353          assert( 0 );
 354       }
 355
 356       if (i < num_tokens - 1)
 357          TXT( ", " );
 358    }
 359    TXT( "}" );
 360 }
 361
 362 static boolean
 363 iter_declaration(
 364    struct tgsi_iterate_context *iter,
 365    struct tgsi_full_declaration *decl )
 366 {
 367    struct dump_ctx *ctx = (struct dump_ctx *)iter;
 368
 369    assert(Elements(semantic_names) == TGSI_SEMANTIC_COUNT);
 370    assert(Elements(interpolate_names) == TGSI_INTERPOLATE_COUNT);
 371
 372    TXT( "DCL " );
 373
 374    ENM(decl->Declaration.File, tgsi_file_names);
 375
 376    /* all geometry shader inputs are two dimensional */
 377    if (decl->Declaration.File == TGSI_FILE_INPUT &&
 378        iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY) {
 379       TXT("[]");
 380    }
 381
 382    if (decl->Declaration.Dimension) {
 383       CHR('[');
 384       SID(decl->Dim.Index2D);
 385       CHR(']');
 386    }
 387
 388    CHR('[');
 389    SID(decl->Range.First);
 390    if (decl->Range.First != decl->Range.Last) {
 391       TXT("..");
 392       SID(decl->Range.Last);
 393    }
 394    CHR(']');
 395
 396    _dump_writemask(
 397       ctx,
 398       decl->Declaration.UsageMask );
 399
 400    if (decl->Declaration.Semantic) {
 401       TXT( ", " );
 402       ENM( decl->Semantic.Name, semantic_names );
 403       if (decl->Semantic.Index != 0 ||
 404           decl->Semantic.Name == TGSI_SEMANTIC_GENERIC) {
 405          CHR( '[' );
 406          UID( decl->Semantic.Index );
 407          CHR( ']' );
 408       }
 409    }
 410
 411    if (decl->Declaration.File == TGSI_FILE_RESOURCE) {
 412       TXT(", ");
 413       ENM(decl->Resource.Resource, tgsi_texture_names);
 414       TXT(", ");
 415       if ((decl->Resource.ReturnTypeX == decl->Resource.ReturnTypeY) &&
 416           (decl->Resource.ReturnTypeX == decl->Resource.ReturnTypeZ) &&
 417           (decl->Resource.ReturnTypeX == decl->Resource.ReturnTypeW)) {
 418          ENM(decl->Resource.ReturnTypeX, tgsi_type_names);
 419       } else {
 420          ENM(decl->Resource.ReturnTypeX, tgsi_type_names);
 421          TXT(", ");
 422          ENM(decl->Resource.ReturnTypeY, tgsi_type_names);
 423          TXT(", ");
 424          ENM(decl->Resource.ReturnTypeZ, tgsi_type_names);
 425          TXT(", ");
 426          ENM(decl->Resource.ReturnTypeW, tgsi_type_names);
 427       }
 428
 429    }
 430
 431    if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT &&
 432        decl->Declaration.File == TGSI_FILE_INPUT)
 433    {
 434       TXT( ", " );
 435       ENM( decl->Declaration.Interpolate, interpolate_names );
 436    }
 437
 438    if (decl->Declaration.Centroid) {
 439       TXT( ", CENTROID" );
 440    }
 441
 442    if (decl->Declaration.Invariant) {
 443       TXT( ", INVARIANT" );
 444    }
 445
 446    if (decl->Declaration.CylindricalWrap) {
 447       TXT(", CYLWRAP_");
 448       if (decl->Declaration.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_X) {
 449          CHR('X');
 450       }
 451       if (decl->Declaration.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_Y) {
 452          CHR('Y');
 453       }
 454       if (decl->Declaration.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_Z) {
 455          CHR('Z');
 456       }
 457       if (decl->Declaration.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_W) {
 458          CHR('W');
 459       }
 460    }
 461
 462    if (decl->Declaration.File == TGSI_FILE_IMMEDIATE_ARRAY) {
 463       unsigned i;
 464       char range_indent[4];
 465
 466       TXT(" {");
 467
 468       if (decl->Range.Last < 10)
 469          range_indent[0] = '\0';
 470       else if (decl->Range.Last < 100) {
 471          range_indent[0] = ' ';
 472          range_indent[1] = '\0';
 473       } else if (decl->Range.Last < 1000) {
 474          range_indent[0] = ' ';
 475          range_indent[1] = ' ';
 476          range_indent[2] = '\0';
 477       } else {
 478          range_indent[0] = ' ';
 479          range_indent[1] = ' ';
 480          range_indent[2] = ' ';
 481          range_indent[3] = '\0';
 482       }
 483
 484       dump_imm_data(iter, decl->ImmediateData.u,
 485                     4, TGSI_IMM_FLOAT32);
 486       for(i = 1; i <= decl->Range.Last; ++i) {
 487          /* indent by strlen of:
 488           *   "DCL IMMX[0..1] {" */
 489          CHR('\n');
 490          TXT( "                " );
 491          TXT( range_indent );
 492          dump_imm_data(iter, decl->ImmediateData.u + i,
 493                        4, TGSI_IMM_FLOAT32);
 494       }
 495
 496       TXT(" }");
 497    }
 498
 499    EOL();
 500
 501    return TRUE;
 502 }
 503
 504 void
 505 tgsi_dump_declaration(
 506    const struct tgsi_full_declaration *decl )
 507 {
 508    struct dump_ctx ctx;
 509
 510    ctx.printf = dump_ctx_printf;
 511
 512    iter_declaration( &ctx.iter, (struct tgsi_full_declaration *)decl );
 513 }
 514
 515 static boolean
 516 iter_property(
 517    struct tgsi_iterate_context *iter,
 518    struct tgsi_full_property *prop )
 519 {
 520    int i;
 521    struct dump_ctx *ctx = (struct dump_ctx *)iter;
 522
 523    assert(Elements(tgsi_property_names) == TGSI_PROPERTY_COUNT);
 524
 525    TXT( "PROPERTY " );
 526    ENM(prop->Property.PropertyName, tgsi_property_names);
 527
 528    if (prop->Property.NrTokens > 1)
 529       TXT(" ");
 530
 531    for (i = 0; i < prop->Property.NrTokens - 1; ++i) {
 532       switch (prop->Property.PropertyName) {
 533       case TGSI_PROPERTY_GS_INPUT_PRIM:
 534       case TGSI_PROPERTY_GS_OUTPUT_PRIM:
 535          ENM(prop->u[i].Data, tgsi_primitive_names);
 536          break;
 537       case TGSI_PROPERTY_FS_COORD_ORIGIN:
 538          ENM(prop->u[i].Data, tgsi_fs_coord_origin_names);
 539          break;
 540       case TGSI_PROPERTY_FS_COORD_PIXEL_CENTER:
 541          ENM(prop->u[i].Data, tgsi_fs_coord_pixel_center_names);
 542          break;
 543       default:
 544          SID( prop->u[i].Data );
 545          break;
 546       }
 547       if (i < prop->Property.NrTokens - 2)
 548          TXT( ", " );
 549    }
 550    EOL();
 551
 552    return TRUE;
 553 }
 554
 555 void tgsi_dump_property(
 556    const struct tgsi_full_property *prop )
 557 {
 558    struct dump_ctx ctx;
 559
 560    ctx.printf = dump_ctx_printf;
 561
 562    iter_property( &ctx.iter, (struct tgsi_full_property *)prop );
 563 }
 564
 565 static boolean
 566 iter_immediate(
 567    struct tgsi_iterate_context *iter,
 568    struct tgsi_full_immediate *imm )
 569 {
 570    struct dump_ctx *ctx = (struct dump_ctx *) iter;
 571
 572    TXT( "IMM " );
 573    ENM( imm->Immediate.DataType, immediate_type_names );
 574
 575    dump_imm_data(iter, imm->u, imm->Immediate.NrTokens - 1,
 576                  imm->Immediate.DataType);
 577
 578    EOL();
 579
 580    return TRUE;
 581 }
 582
 583 void
 584 tgsi_dump_immediate(
 585    const struct tgsi_full_immediate *imm )
 586 {
 587    struct dump_ctx ctx;
 588
 589    ctx.printf = dump_ctx_printf;
 590
 591    iter_immediate( &ctx.iter, (struct tgsi_full_immediate *)imm );
 592 }
 593
 594 static boolean
 595 iter_instruction(
 596    struct tgsi_iterate_context *iter,
 597    struct tgsi_full_instruction *inst )
 598 {
 599    struct dump_ctx *ctx = (struct dump_ctx *) iter;
 600    uint instno = ctx->instno++;
 601    const struct tgsi_opcode_info *info = tgsi_get_opcode_info( inst->Instruction.Opcode );
 602    uint i;
 603    boolean first_reg = TRUE;
 604
 605    INSTID( instno );
 606    TXT( ": " );
 607
 608    ctx->indent -= info->pre_dedent;
 609    for(i = 0; (int)i < ctx->indent; ++i)
 610       TXT( "  " );
 611    ctx->indent += info->post_indent;
 612
 613    if (inst->Instruction.Predicate) {
 614       CHR( '(' );
 615
 616       if (inst->Predicate.Negate)
 617          CHR( '!' );
 618
 619       TXT( "PRED[" );
 620       SID( inst->Predicate.Index );
 621       CHR( ']' );
 622
 623       if (inst->Predicate.SwizzleX != TGSI_SWIZZLE_X ||
 624           inst->Predicate.SwizzleY != TGSI_SWIZZLE_Y ||
 625           inst->Predicate.SwizzleZ != TGSI_SWIZZLE_Z ||
 626           inst->Predicate.SwizzleW != TGSI_SWIZZLE_W) {
 627          CHR( '.' );
 628          ENM( inst->Predicate.SwizzleX, tgsi_swizzle_names );
 629          ENM( inst->Predicate.SwizzleY, tgsi_swizzle_names );
 630          ENM( inst->Predicate.SwizzleZ, tgsi_swizzle_names );
 631          ENM( inst->Predicate.SwizzleW, tgsi_swizzle_names );
 632       }
 633
 634       TXT( ") " );
 635    }
 636
 637    TXT( info->mnemonic );
 638
 639    switch (inst->Instruction.Saturate) {
 640    case TGSI_SAT_NONE:
 641       break;
 642    case TGSI_SAT_ZERO_ONE:
 643       TXT( "_SAT" );
 644       break;
 645    case TGSI_SAT_MINUS_PLUS_ONE:
 646       TXT( "_SATNV" );
 647       break;
 648    default:
 649       assert( 0 );
 650    }
 651
 652    for (i = 0; i < inst->Instruction.NumDstRegs; i++) {
 653       const struct tgsi_full_dst_register *dst = &inst->Dst[i];
 654
 655       if (!first_reg)
 656          CHR( ',' );
 657       CHR( ' ' );
 658
 659       _dump_register_dst( ctx, dst );
 660       _dump_writemask( ctx, dst->Register.WriteMask );
 661
 662       first_reg = FALSE;
 663    }
 664
 665    for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
 666       const struct tgsi_full_src_register *src = &inst->Src[i];
 667
 668       if (!first_reg)
 669          CHR( ',' );
 670       CHR( ' ' );
 671
 672       if (src->Register.Negate)
 673          CHR( '-' );
 674       if (src->Register.Absolute)
 675          CHR( '|' );
 676
 677       _dump_register_src(ctx, src);
 678
 679       if (src->Register.SwizzleX != TGSI_SWIZZLE_X ||
 680           src->Register.SwizzleY != TGSI_SWIZZLE_Y ||
 681           src->Register.SwizzleZ != TGSI_SWIZZLE_Z ||
 682           src->Register.SwizzleW != TGSI_SWIZZLE_W) {
 683          CHR( '.' );
 684          ENM( src->Register.SwizzleX, tgsi_swizzle_names );
 685          ENM( src->Register.SwizzleY, tgsi_swizzle_names );
 686          ENM( src->Register.SwizzleZ, tgsi_swizzle_names );
 687          ENM( src->Register.SwizzleW, tgsi_swizzle_names );
 688       }
 689
 690       if (src->Register.Absolute)
 691          CHR( '|' );
 692
 693       first_reg = FALSE;
 694    }
 695
 696    if (inst->Instruction.Texture) {
 697       TXT( ", " );
 698       ENM( inst->Texture.Texture, tgsi_texture_names );
 699       for (i = 0; i < inst->Texture.NumOffsets; i++) {
 700          TXT( ", " );
 701          ENM( inst->TexOffsets[i].File, tgsi_file_names);
 702          CHR( '[' );
 703          SID( inst->TexOffsets[i].Index );
 704          CHR( ']' );
 705          CHR( '.' );
 706          ENM( inst->TexOffsets[i].SwizzleX, tgsi_swizzle_names);
 707          ENM( inst->TexOffsets[i].SwizzleY, tgsi_swizzle_names);
 708          ENM( inst->TexOffsets[i].SwizzleZ, tgsi_swizzle_names);
 709       }
 710    }
 711
 712    switch (inst->Instruction.Opcode) {
 713    case TGSI_OPCODE_IF:
 714    case TGSI_OPCODE_ELSE:
 715    case TGSI_OPCODE_BGNLOOP:
 716    case TGSI_OPCODE_ENDLOOP:
 717    case TGSI_OPCODE_CAL:
 718       TXT( " :" );
 719       UID( inst->Label.Label );
 720       break;
 721    }
 722
 723    /* update indentation */
 724    if (inst->Instruction.Opcode == TGSI_OPCODE_IF ||
 725        inst->Instruction.Opcode == TGSI_OPCODE_ELSE ||
 726        inst->Instruction.Opcode == TGSI_OPCODE_BGNLOOP) {
 727       ctx->indentation += indent_spaces;
 728    }
 729
 730    EOL();
 731
 732    return TRUE;
 733 }
 734
 735 void
 736 tgsi_dump_instruction(
 737    const struct tgsi_full_instruction *inst,
 738    uint instno )
 739 {
 740    struct dump_ctx ctx;
 741
 742    ctx.instno = instno;
 743    ctx.indent = 0;
 744    ctx.printf = dump_ctx_printf;
 745    ctx.indentation = 0;
 746
 747    iter_instruction( &ctx.iter, (struct tgsi_full_instruction *)inst );
 748 }
 749
 750 static boolean
 751 prolog(
 752    struct tgsi_iterate_context *iter )
 753 {
 754    struct dump_ctx *ctx = (struct dump_ctx *) iter;
 755    ENM( iter->processor.Processor, processor_type_names );
 756    EOL();
 757    return TRUE;
 758 }
 759
 760 void
 761 tgsi_dump(
 762    const struct tgsi_token *tokens,
 763    uint flags )
 764 {
 765    struct dump_ctx ctx;
 766
 767    ctx.iter.prolog = prolog;
 768    ctx.iter.iterate_instruction = iter_instruction;
 769    ctx.iter.iterate_declaration = iter_declaration;
 770    ctx.iter.iterate_immediate = iter_immediate;
 771    ctx.iter.iterate_property = iter_property;
 772    ctx.iter.epilog = NULL;
 773
 774    ctx.instno = 0;
 775    ctx.indent = 0;
 776    ctx.printf = dump_ctx_printf;
 777    ctx.indentation = 0;
 778
 779    tgsi_iterate_shader( tokens, &ctx.iter );
 780 }
 781
 782 struct str_dump_ctx
 783 {
 784    struct dump_ctx base;
 785    char *str;
 786    char *ptr;
 787    int left;
 788 };
 789
 790 static void
 791 str_dump_ctx_printf(struct dump_ctx *ctx, const char *format, ...)
 792 {
 793    struct str_dump_ctx *sctx = (struct str_dump_ctx *)ctx;
 794
 795    if(sctx->left > 1) {
 796       int written;
 797       va_list ap;
 798       va_start(ap, format);
 799       written = util_vsnprintf(sctx->ptr, sctx->left, format, ap);
 800       va_end(ap);
 801
 802       /* Some complicated logic needed to handle the return value of
 803        * vsnprintf:
 804        */
 805       if (written > 0) {
 806          written = MIN2(sctx->left, written);
 807          sctx->ptr += written;
 808          sctx->left -= written;
 809       }
 810    }
 811 }
 812
 813 void
 814 tgsi_dump_str(
 815    const struct tgsi_token *tokens,
 816    uint flags,
 817    char *str,
 818    size_t size)
 819 {
 820    struct str_dump_ctx ctx;
 821
 822    ctx.base.iter.prolog = prolog;
 823    ctx.base.iter.iterate_instruction = iter_instruction;
 824    ctx.base.iter.iterate_declaration = iter_declaration;
 825    ctx.base.iter.iterate_immediate = iter_immediate;
 826    ctx.base.iter.iterate_property = iter_property;
 827    ctx.base.iter.epilog = NULL;
 828
 829    ctx.base.instno = 0;
 830    ctx.base.indent = 0;
 831    ctx.base.printf = &str_dump_ctx_printf;
 832    ctx.base.indentation = 0;
 833
 834    ctx.str = str;
 835    ctx.str[0] = 0;
 836    ctx.ptr = str;
 837    ctx.left = (int)size;
 838
 839    tgsi_iterate_shader( tokens, &ctx.base.iter );
 840 }