src/gallium/auxiliary/tgsi/tgsi_dump.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007-2008 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 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 #include "tgsi_strings.h"
  36
  37
  38 /** Number of spaces to indent for IF/LOOP/etc */
  39 static const int indent_spaces = 3;
  40
  41
  42 struct dump_ctx
  43 {
  44    struct tgsi_iterate_context iter;
  45
  46    uint instno;
  47    uint immno;
  48    int indent;
  49
  50    uint indentation;
  51    FILE *file;
  52
  53    void (*dump_printf)(struct dump_ctx *ctx, const char *format, ...);
  54 };
  55
  56 static void
  57 dump_ctx_printf(struct dump_ctx *ctx, const char *format, ...)
  58 {
  59    va_list ap;
  60    (void)ctx;
  61    va_start(ap, format);
  62    if (ctx->file)
  63       vfprintf(ctx->file, format, ap);
  64    else
  65       _debug_vprintf(format, ap);
  66    va_end(ap);
  67 }
  68
  69 static void
  70 dump_enum(
  71    struct dump_ctx *ctx,
  72    uint e,
  73    const char **enums,
  74    uint enum_count )
  75 {
  76    if (e >= enum_count)
  77       ctx->dump_printf( ctx, "%u", e );
  78    else
  79       ctx->dump_printf( ctx, "%s", enums[e] );
  80 }
  81
  82 #define EOL()           ctx->dump_printf( ctx, "\n" )
  83 #define TXT(S)          ctx->dump_printf( ctx, "%s", S )
  84 #define CHR(C)          ctx->dump_printf( ctx, "%c", C )
  85 #define UIX(I)          ctx->dump_printf( ctx, "0x%x", I )
  86 #define UID(I)          ctx->dump_printf( ctx, "%u", I )
  87 #define INSTID(I)       ctx->dump_printf( ctx, "% 3u", I )
  88 #define SID(I)          ctx->dump_printf( ctx, "%d", I )
  89 #define FLT(F)          ctx->dump_printf( ctx, "%10.4f", F )
  90 #define DBL(D)          ctx->dump_printf( ctx, "%10.8f", D )
  91 #define ENM(E,ENUMS)    dump_enum( ctx, E, ENUMS, sizeof( ENUMS ) / sizeof( *ENUMS ) )
  92
  93 const char *
  94 tgsi_swizzle_names[4] =
  95 {
  96    "x",
  97    "y",
  98    "z",
  99    "w"
 100 };
 101
 102 static void
 103 _dump_register_src(
 104    struct dump_ctx *ctx,
 105    const struct tgsi_full_src_register *src )
 106 {
 107    TXT(tgsi_file_name(src->Register.File));
 108    if (src->Register.Dimension) {
 109       if (src->Dimension.Indirect) {
 110          CHR( '[' );
 111          TXT(tgsi_file_name(src->DimIndirect.File));
 112          CHR( '[' );
 113          SID( src->DimIndirect.Index );
 114          TXT( "]." );
 115          ENM( src->DimIndirect.Swizzle, tgsi_swizzle_names );
 116          if (src->Dimension.Index != 0) {
 117             if (src->Dimension.Index > 0)
 118                CHR( '+' );
 119             SID( src->Dimension.Index );
 120          }
 121          CHR( ']' );
 122          if (src->DimIndirect.ArrayID) {
 123             CHR( '(' );
 124             SID( src->DimIndirect.ArrayID );
 125             CHR( ')' );
 126          }
 127       } else {
 128          CHR('[');
 129          SID(src->Dimension.Index);
 130          CHR(']');
 131       }
 132    }
 133    if (src->Register.Indirect) {
 134       CHR( '[' );
 135       TXT(tgsi_file_name(src->Indirect.File));
 136       CHR( '[' );
 137       SID( src->Indirect.Index );
 138       TXT( "]." );
 139       ENM( src->Indirect.Swizzle, tgsi_swizzle_names );
 140       if (src->Register.Index != 0) {
 141          if (src->Register.Index > 0)
 142             CHR( '+' );
 143          SID( src->Register.Index );
 144       }
 145       CHR( ']' );
 146       if (src->Indirect.ArrayID) {
 147          CHR( '(' );
 148          SID( src->Indirect.ArrayID );
 149          CHR( ')' );
 150       }
 151    } else {
 152       CHR( '[' );
 153       SID( src->Register.Index );
 154       CHR( ']' );
 155    }
 156 }
 157
 158
 159 static void
 160 _dump_register_dst(
 161    struct dump_ctx *ctx,
 162    const struct tgsi_full_dst_register *dst )
 163 {
 164    TXT(tgsi_file_name(dst->Register.File));
 165    if (dst->Register.Dimension) {
 166       if (dst->Dimension.Indirect) {
 167          CHR( '[' );
 168          TXT(tgsi_file_name(dst->DimIndirect.File));
 169          CHR( '[' );
 170          SID( dst->DimIndirect.Index );
 171          TXT( "]." );
 172          ENM( dst->DimIndirect.Swizzle, tgsi_swizzle_names );
 173          if (dst->Dimension.Index != 0) {
 174             if (dst->Dimension.Index > 0)
 175                CHR( '+' );
 176             SID( dst->Dimension.Index );
 177          }
 178          CHR( ']' );
 179          if (dst->DimIndirect.ArrayID) {
 180             CHR( '(' );
 181             SID( dst->DimIndirect.ArrayID );
 182             CHR( ')' );
 183          }
 184       } else {
 185          CHR('[');
 186          SID(dst->Dimension.Index);
 187          CHR(']');
 188       }
 189    }
 190    if (dst->Register.Indirect) {
 191       CHR( '[' );
 192       TXT(tgsi_file_name(dst->Indirect.File));
 193       CHR( '[' );
 194       SID( dst->Indirect.Index );
 195       TXT( "]." );
 196       ENM( dst->Indirect.Swizzle, tgsi_swizzle_names );
 197       if (dst->Register.Index != 0) {
 198          if (dst->Register.Index > 0)
 199             CHR( '+' );
 200          SID( dst->Register.Index );
 201       }
 202       CHR( ']' );
 203       if (dst->Indirect.ArrayID) {
 204          CHR( '(' );
 205          SID( dst->Indirect.ArrayID );
 206          CHR( ')' );
 207       }
 208    } else {
 209       CHR( '[' );
 210       SID( dst->Register.Index );
 211       CHR( ']' );
 212    }
 213 }
 214 static void
 215 _dump_writemask(
 216    struct dump_ctx *ctx,
 217    uint writemask )
 218 {
 219    if (writemask != TGSI_WRITEMASK_XYZW) {
 220       CHR( '.' );
 221       if (writemask & TGSI_WRITEMASK_X)
 222          CHR( 'x' );
 223       if (writemask & TGSI_WRITEMASK_Y)
 224          CHR( 'y' );
 225       if (writemask & TGSI_WRITEMASK_Z)
 226          CHR( 'z' );
 227       if (writemask & TGSI_WRITEMASK_W)
 228          CHR( 'w' );
 229    }
 230 }
 231
 232 static void
 233 dump_imm_data(struct tgsi_iterate_context *iter,
 234               union tgsi_immediate_data *data,
 235               unsigned num_tokens,
 236               unsigned data_type)
 237 {
 238    struct dump_ctx *ctx = (struct dump_ctx *)iter;
 239    unsigned i ;
 240
 241    TXT( " {" );
 242
 243    assert( num_tokens <= 4 );
 244    for (i = 0; i < num_tokens; i++) {
 245       switch (data_type) {
 246       case TGSI_IMM_FLOAT64: {
 247          union di d;
 248          d.ui = data[i].Uint | (uint64_t)data[i+1].Uint << 32;
 249          DBL( d.d );
 250          i++;
 251          break;
 252       }
 253       case TGSI_IMM_FLOAT32:
 254          FLT( data[i].Float );
 255          break;
 256       case TGSI_IMM_UINT32:
 257          UID(data[i].Uint);
 258          break;
 259       case TGSI_IMM_INT32:
 260          SID(data[i].Int);
 261          break;
 262       default:
 263          assert( 0 );
 264       }
 265
 266       if (i < num_tokens - 1)
 267          TXT( ", " );
 268    }
 269    TXT( "}" );
 270 }
 271
 272 static boolean
 273 iter_declaration(
 274    struct tgsi_iterate_context *iter,
 275    struct tgsi_full_declaration *decl )
 276 {
 277    struct dump_ctx *ctx = (struct dump_ctx *)iter;
 278    boolean patch = decl->Semantic.Name == TGSI_SEMANTIC_PATCH ||
 279       decl->Semantic.Name == TGSI_SEMANTIC_TESSINNER ||
 280       decl->Semantic.Name == TGSI_SEMANTIC_TESSOUTER ||
 281       decl->Semantic.Name == TGSI_SEMANTIC_PRIMID;
 282
 283    TXT( "DCL " );
 284
 285    TXT(tgsi_file_name(decl->Declaration.File));
 286
 287    /* all geometry shader inputs and non-patch tessellation shader inputs are
 288     * two dimensional
 289     */
 290    if (decl->Declaration.File == TGSI_FILE_INPUT &&
 291        (iter->processor.Processor == TGSI_PROCESSOR_GEOMETRY ||
 292         (!patch &&
 293          (iter->processor.Processor == TGSI_PROCESSOR_TESS_CTRL ||
 294           iter->processor.Processor == TGSI_PROCESSOR_TESS_EVAL)))) {
 295       TXT("[]");
 296    }
 297
 298    /* all non-patch tess ctrl shader outputs are two dimensional */
 299    if (decl->Declaration.File == TGSI_FILE_OUTPUT &&
 300        !patch &&
 301        iter->processor.Processor == TGSI_PROCESSOR_TESS_CTRL) {
 302       TXT("[]");
 303    }
 304
 305    if (decl->Declaration.Dimension) {
 306       CHR('[');
 307       SID(decl->Dim.Index2D);
 308       CHR(']');
 309    }
 310
 311    CHR('[');
 312    SID(decl->Range.First);
 313    if (decl->Range.First != decl->Range.Last) {
 314       TXT("..");
 315       SID(decl->Range.Last);
 316    }
 317    CHR(']');
 318
 319    _dump_writemask(
 320       ctx,
 321       decl->Declaration.UsageMask );
 322
 323    if (decl->Declaration.Array) {
 324       TXT( ", ARRAY(" );
 325       SID(decl->Array.ArrayID);
 326       CHR(')');
 327    }
 328
 329    if (decl->Declaration.Local)
 330       TXT( ", LOCAL" );
 331
 332    if (decl->Declaration.Semantic) {
 333       TXT( ", " );
 334       ENM( decl->Semantic.Name, tgsi_semantic_names );
 335       if (decl->Semantic.Index != 0 ||
 336           decl->Semantic.Name == TGSI_SEMANTIC_TEXCOORD ||
 337           decl->Semantic.Name == TGSI_SEMANTIC_GENERIC) {
 338          CHR( '[' );
 339          UID( decl->Semantic.Index );
 340          CHR( ']' );
 341       }
 342    }
 343
 344    if (decl->Declaration.File == TGSI_FILE_RESOURCE) {
 345       TXT(", ");
 346       ENM(decl->Resource.Resource, tgsi_texture_names);
 347       if (decl->Resource.Writable)
 348          TXT(", WR");
 349       if (decl->Resource.Raw)
 350          TXT(", RAW");
 351    }
 352
 353    if (decl->Declaration.File == TGSI_FILE_SAMPLER_VIEW) {
 354       TXT(", ");
 355       ENM(decl->SamplerView.Resource, tgsi_texture_names);
 356       TXT(", ");
 357       if ((decl->SamplerView.ReturnTypeX == decl->SamplerView.ReturnTypeY) &&
 358           (decl->SamplerView.ReturnTypeX == decl->SamplerView.ReturnTypeZ) &&
 359           (decl->SamplerView.ReturnTypeX == decl->SamplerView.ReturnTypeW)) {
 360          ENM(decl->SamplerView.ReturnTypeX, tgsi_return_type_names);
 361       } else {
 362          ENM(decl->SamplerView.ReturnTypeX, tgsi_return_type_names);
 363          TXT(", ");
 364          ENM(decl->SamplerView.ReturnTypeY, tgsi_return_type_names);
 365          TXT(", ");
 366          ENM(decl->SamplerView.ReturnTypeZ, tgsi_return_type_names);
 367          TXT(", ");
 368          ENM(decl->SamplerView.ReturnTypeW, tgsi_return_type_names);
 369       }
 370    }
 371
 372    if (decl->Declaration.Interpolate) {
 373       if (iter->processor.Processor == TGSI_PROCESSOR_FRAGMENT &&
 374           decl->Declaration.File == TGSI_FILE_INPUT)
 375       {
 376          TXT( ", " );
 377          ENM( decl->Interp.Interpolate, tgsi_interpolate_names );
 378       }
 379
 380       if (decl->Interp.Location != TGSI_INTERPOLATE_LOC_CENTER) {
 381          TXT( ", " );
 382          ENM( decl->Interp.Location, tgsi_interpolate_locations );
 383       }
 384
 385       if (decl->Interp.CylindricalWrap) {
 386          TXT(", CYLWRAP_");
 387          if (decl->Interp.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_X) {
 388             CHR('X');
 389          }
 390          if (decl->Interp.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_Y) {
 391             CHR('Y');
 392          }
 393          if (decl->Interp.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_Z) {
 394             CHR('Z');
 395          }
 396          if (decl->Interp.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_W) {
 397             CHR('W');
 398          }
 399       }
 400    }
 401
 402    if (decl->Declaration.Invariant) {
 403       TXT( ", INVARIANT" );
 404    }
 405
 406    EOL();
 407
 408    return TRUE;
 409 }
 410
 411 void
 412 tgsi_dump_declaration(
 413    const struct tgsi_full_declaration *decl )
 414 {
 415    struct dump_ctx ctx;
 416
 417    ctx.dump_printf = dump_ctx_printf;
 418
 419    iter_declaration( &ctx.iter, (struct tgsi_full_declaration *)decl );
 420 }
 421
 422 static boolean
 423 iter_property(
 424    struct tgsi_iterate_context *iter,
 425    struct tgsi_full_property *prop )
 426 {
 427    unsigned i;
 428    struct dump_ctx *ctx = (struct dump_ctx *)iter;
 429
 430    TXT( "PROPERTY " );
 431    ENM(prop->Property.PropertyName, tgsi_property_names);
 432
 433    if (prop->Property.NrTokens > 1)
 434       TXT(" ");
 435
 436    for (i = 0; i < prop->Property.NrTokens - 1; ++i) {
 437       switch (prop->Property.PropertyName) {
 438       case TGSI_PROPERTY_GS_INPUT_PRIM:
 439       case TGSI_PROPERTY_GS_OUTPUT_PRIM:
 440          ENM(prop->u[i].Data, tgsi_primitive_names);
 441          break;
 442       case TGSI_PROPERTY_FS_COORD_ORIGIN:
 443          ENM(prop->u[i].Data, tgsi_fs_coord_origin_names);
 444          break;
 445       case TGSI_PROPERTY_FS_COORD_PIXEL_CENTER:
 446          ENM(prop->u[i].Data, tgsi_fs_coord_pixel_center_names);
 447          break;
 448       default:
 449          SID( prop->u[i].Data );
 450          break;
 451       }
 452       if (i < prop->Property.NrTokens - 2)
 453          TXT( ", " );
 454    }
 455    EOL();
 456
 457    return TRUE;
 458 }
 459
 460 void tgsi_dump_property(
 461    const struct tgsi_full_property *prop )
 462 {
 463    struct dump_ctx ctx;
 464
 465    ctx.dump_printf = dump_ctx_printf;
 466
 467    iter_property( &ctx.iter, (struct tgsi_full_property *)prop );
 468 }
 469
 470 static boolean
 471 iter_immediate(
 472    struct tgsi_iterate_context *iter,
 473    struct tgsi_full_immediate *imm )
 474 {
 475    struct dump_ctx *ctx = (struct dump_ctx *) iter;
 476
 477    TXT( "IMM[" );
 478    SID( ctx->immno++ );
 479    TXT( "] " );
 480    ENM( imm->Immediate.DataType, tgsi_immediate_type_names );
 481
 482    dump_imm_data(iter, imm->u, imm->Immediate.NrTokens - 1,
 483                  imm->Immediate.DataType);
 484
 485    EOL();
 486
 487    return TRUE;
 488 }
 489
 490 void
 491 tgsi_dump_immediate(
 492    const struct tgsi_full_immediate *imm )
 493 {
 494    struct dump_ctx ctx;
 495
 496    ctx.dump_printf = dump_ctx_printf;
 497
 498    iter_immediate( &ctx.iter, (struct tgsi_full_immediate *)imm );
 499 }
 500
 501 static boolean
 502 iter_instruction(
 503    struct tgsi_iterate_context *iter,
 504    struct tgsi_full_instruction *inst )
 505 {
 506    struct dump_ctx *ctx = (struct dump_ctx *) iter;
 507    uint instno = ctx->instno++;
 508    const struct tgsi_opcode_info *info = tgsi_get_opcode_info( inst->Instruction.Opcode );
 509    uint i;
 510    boolean first_reg = TRUE;
 511
 512    INSTID( instno );
 513    TXT( ": " );
 514
 515    ctx->indent -= info->pre_dedent;
 516    for(i = 0; (int)i < ctx->indent; ++i)
 517       TXT( "  " );
 518    ctx->indent += info->post_indent;
 519
 520    if (inst->Instruction.Predicate) {
 521       CHR( '(' );
 522
 523       if (inst->Predicate.Negate)
 524          CHR( '!' );
 525
 526       TXT( "PRED[" );
 527       SID( inst->Predicate.Index );
 528       CHR( ']' );
 529
 530       if (inst->Predicate.SwizzleX != TGSI_SWIZZLE_X ||
 531           inst->Predicate.SwizzleY != TGSI_SWIZZLE_Y ||
 532           inst->Predicate.SwizzleZ != TGSI_SWIZZLE_Z ||
 533           inst->Predicate.SwizzleW != TGSI_SWIZZLE_W) {
 534          CHR( '.' );
 535          ENM( inst->Predicate.SwizzleX, tgsi_swizzle_names );
 536          ENM( inst->Predicate.SwizzleY, tgsi_swizzle_names );
 537          ENM( inst->Predicate.SwizzleZ, tgsi_swizzle_names );
 538          ENM( inst->Predicate.SwizzleW, tgsi_swizzle_names );
 539       }
 540
 541       TXT( ") " );
 542    }
 543
 544    TXT( info->mnemonic );
 545
 546    if (inst->Instruction.Saturate) {
 547       TXT( "_SAT" );
 548    }
 549
 550    for (i = 0; i < inst->Instruction.NumDstRegs; i++) {
 551       const struct tgsi_full_dst_register *dst = &inst->Dst[i];
 552
 553       if (!first_reg)
 554          CHR( ',' );
 555       CHR( ' ' );
 556
 557       _dump_register_dst( ctx, dst );
 558       _dump_writemask( ctx, dst->Register.WriteMask );
 559
 560       first_reg = FALSE;
 561    }
 562
 563    for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
 564       const struct tgsi_full_src_register *src = &inst->Src[i];
 565
 566       if (!first_reg)
 567          CHR( ',' );
 568       CHR( ' ' );
 569
 570       if (src->Register.Negate)
 571          CHR( '-' );
 572       if (src->Register.Absolute)
 573          CHR( '|' );
 574
 575       _dump_register_src(ctx, src);
 576
 577       if (src->Register.SwizzleX != TGSI_SWIZZLE_X ||
 578           src->Register.SwizzleY != TGSI_SWIZZLE_Y ||
 579           src->Register.SwizzleZ != TGSI_SWIZZLE_Z ||
 580           src->Register.SwizzleW != TGSI_SWIZZLE_W) {
 581          CHR( '.' );
 582          ENM( src->Register.SwizzleX, tgsi_swizzle_names );
 583          ENM( src->Register.SwizzleY, tgsi_swizzle_names );
 584          ENM( src->Register.SwizzleZ, tgsi_swizzle_names );
 585          ENM( src->Register.SwizzleW, tgsi_swizzle_names );
 586       }
 587
 588       if (src->Register.Absolute)
 589          CHR( '|' );
 590
 591       first_reg = FALSE;
 592    }
 593
 594    if (inst->Instruction.Texture) {
 595       if (!(inst->Instruction.Opcode >= TGSI_OPCODE_SAMPLE &&
 596             inst->Instruction.Opcode <= TGSI_OPCODE_GATHER4)) {
 597          TXT( ", " );
 598          ENM( inst->Texture.Texture, tgsi_texture_names );
 599       }
 600       for (i = 0; i < inst->Texture.NumOffsets; i++) {
 601          TXT( ", " );
 602          TXT(tgsi_file_name(inst->TexOffsets[i].File));
 603          CHR( '[' );
 604          SID( inst->TexOffsets[i].Index );
 605          CHR( ']' );
 606          CHR( '.' );
 607          ENM( inst->TexOffsets[i].SwizzleX, tgsi_swizzle_names);
 608          ENM( inst->TexOffsets[i].SwizzleY, tgsi_swizzle_names);
 609          ENM( inst->TexOffsets[i].SwizzleZ, tgsi_swizzle_names);
 610       }
 611    }
 612
 613    switch (inst->Instruction.Opcode) {
 614    case TGSI_OPCODE_IF:
 615    case TGSI_OPCODE_UIF:
 616    case TGSI_OPCODE_ELSE:
 617    case TGSI_OPCODE_BGNLOOP:
 618    case TGSI_OPCODE_ENDLOOP:
 619    case TGSI_OPCODE_CAL:
 620    case TGSI_OPCODE_BGNSUB:
 621       TXT( " :" );
 622       UID( inst->Label.Label );
 623       break;
 624    }
 625
 626    /* update indentation */
 627    if (inst->Instruction.Opcode == TGSI_OPCODE_IF ||
 628        inst->Instruction.Opcode == TGSI_OPCODE_UIF ||
 629        inst->Instruction.Opcode == TGSI_OPCODE_ELSE ||
 630        inst->Instruction.Opcode == TGSI_OPCODE_BGNLOOP) {
 631       ctx->indentation += indent_spaces;
 632    }
 633
 634    EOL();
 635
 636    return TRUE;
 637 }
 638
 639 void
 640 tgsi_dump_instruction(
 641    const struct tgsi_full_instruction *inst,
 642    uint instno )
 643 {
 644    struct dump_ctx ctx;
 645
 646    ctx.instno = instno;
 647    ctx.immno = instno;
 648    ctx.indent = 0;
 649    ctx.dump_printf = dump_ctx_printf;
 650    ctx.indentation = 0;
 651    ctx.file = NULL;
 652
 653    iter_instruction( &ctx.iter, (struct tgsi_full_instruction *)inst );
 654 }
 655
 656 static boolean
 657 prolog(
 658    struct tgsi_iterate_context *iter )
 659 {
 660    struct dump_ctx *ctx = (struct dump_ctx *) iter;
 661    ENM( iter->processor.Processor, tgsi_processor_type_names );
 662    EOL();
 663    return TRUE;
 664 }
 665
 666 void
 667 tgsi_dump_to_file(const struct tgsi_token *tokens, uint flags, FILE *file)
 668 {
 669    struct dump_ctx ctx;
 670
 671    ctx.iter.prolog = prolog;
 672    ctx.iter.iterate_instruction = iter_instruction;
 673    ctx.iter.iterate_declaration = iter_declaration;
 674    ctx.iter.iterate_immediate = iter_immediate;
 675    ctx.iter.iterate_property = iter_property;
 676    ctx.iter.epilog = NULL;
 677
 678    ctx.instno = 0;
 679    ctx.immno = 0;
 680    ctx.indent = 0;
 681    ctx.dump_printf = dump_ctx_printf;
 682    ctx.indentation = 0;
 683    ctx.file = file;
 684
 685    tgsi_iterate_shader( tokens, &ctx.iter );
 686 }
 687
 688 void
 689 tgsi_dump(const struct tgsi_token *tokens, uint flags)
 690 {
 691    tgsi_dump_to_file(tokens, flags, NULL);
 692 }
 693
 694 struct str_dump_ctx
 695 {
 696    struct dump_ctx base;
 697    char *str;
 698    char *ptr;
 699    int left;
 700 };
 701
 702 static void
 703 str_dump_ctx_printf(struct dump_ctx *ctx, const char *format, ...)
 704 {
 705    struct str_dump_ctx *sctx = (struct str_dump_ctx *)ctx;
 706
 707    if(sctx->left > 1) {
 708       int written;
 709       va_list ap;
 710       va_start(ap, format);
 711       written = util_vsnprintf(sctx->ptr, sctx->left, format, ap);
 712       va_end(ap);
 713
 714       /* Some complicated logic needed to handle the return value of
 715        * vsnprintf:
 716        */
 717       if (written > 0) {
 718          written = MIN2(sctx->left, written);
 719          sctx->ptr += written;
 720          sctx->left -= written;
 721       }
 722    }
 723 }
 724
 725 void
 726 tgsi_dump_str(
 727    const struct tgsi_token *tokens,
 728    uint flags,
 729    char *str,
 730    size_t size)
 731 {
 732    struct str_dump_ctx ctx;
 733
 734    ctx.base.iter.prolog = prolog;
 735    ctx.base.iter.iterate_instruction = iter_instruction;
 736    ctx.base.iter.iterate_declaration = iter_declaration;
 737    ctx.base.iter.iterate_immediate = iter_immediate;
 738    ctx.base.iter.iterate_property = iter_property;
 739    ctx.base.iter.epilog = NULL;
 740
 741    ctx.base.instno = 0;
 742    ctx.base.immno = 0;
 743    ctx.base.indent = 0;
 744    ctx.base.dump_printf = &str_dump_ctx_printf;
 745    ctx.base.indentation = 0;
 746    ctx.base.file = NULL;
 747
 748    ctx.str = str;
 749    ctx.str[0] = 0;
 750    ctx.ptr = str;
 751    ctx.left = (int)size;
 752
 753    tgsi_iterate_shader( tokens, &ctx.base.iter );
 754 }
 755
 756 void
 757 tgsi_dump_instruction_str(
 758    const struct tgsi_full_instruction *inst,
 759    uint instno,
 760    char *str,
 761    size_t size)
 762 {
 763    struct str_dump_ctx ctx;
 764
 765    ctx.base.instno = instno;
 766    ctx.base.immno = instno;
 767    ctx.base.indent = 0;
 768    ctx.base.dump_printf = &str_dump_ctx_printf;
 769    ctx.base.indentation = 0;
 770    ctx.base.file = NULL;
 771
 772    ctx.str = str;
 773    ctx.str[0] = 0;
 774    ctx.ptr = str;
 775    ctx.left = (int)size;
 776
 777    iter_instruction( &ctx.base.iter, (struct tgsi_full_instruction *)inst );
 778 }