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 <inttypes.h>
  29
  30 #include "util/u_debug.h"
  31 #include "util/u_string.h"
  32 #include "util/u_math.h"
  33 #include "util/u_memory.h"
  34 #include "util/u_math.h"
  35 #include "tgsi_dump.h"
  36 #include "tgsi_info.h"
  37 #include "tgsi_iterate.h"
  38 #include "tgsi_strings.h"
  39
  40
  41 /** Number of spaces to indent for IF/LOOP/etc */
  42 static const int indent_spaces = 3;
  43
  44
  45 struct dump_ctx
  46 {
  47    struct tgsi_iterate_context iter;
  48
  49    boolean dump_float_as_hex;
  50
  51    uint instno;
  52    uint immno;
  53    int indent;
  54
  55    uint indentation;
  56    FILE *file;
  57
  58    void (*dump_printf)(struct dump_ctx *ctx, const char *format, ...);
  59 };
  60
  61 static void
  62 dump_ctx_printf(struct dump_ctx *ctx, const char *format, ...)
  63 {
  64    va_list ap;
  65    (void)ctx;
  66    va_start(ap, format);
  67    if (ctx->file)
  68       vfprintf(ctx->file, format, ap);
  69    else
  70       _debug_vprintf(format, ap);
  71    va_end(ap);
  72 }
  73
  74 static void
  75 dump_enum(
  76    struct dump_ctx *ctx,
  77    uint e,
  78    const char **enums,
  79    uint enum_count )
  80 {
  81    if (e >= enum_count)
  82       ctx->dump_printf( ctx, "%u", e );
  83    else
  84       ctx->dump_printf( ctx, "%s", enums[e] );
  85 }
  86
  87 #define EOL()           ctx->dump_printf( ctx, "\n" )
  88 #define TXT(S)          ctx->dump_printf( ctx, "%s", S )
  89 #define CHR(C)          ctx->dump_printf( ctx, "%c", C )
  90 #define UIX(I)          ctx->dump_printf( ctx, "0x%x", I )
  91 #define UID(I)          ctx->dump_printf( ctx, "%u", I )
  92 #define SI64D(I)        ctx->dump_printf( ctx, "%"PRId64, I )
  93 #define UI64D(I)        ctx->dump_printf( ctx, "%"PRIu64, I )
  94 #define INSTID(I)       ctx->dump_printf( ctx, "% 3u", I )
  95 #define SID(I)          ctx->dump_printf( ctx, "%d", I )
  96 #define FLT(F)          ctx->dump_printf( ctx, "%10.4f", F )
  97 #define DBL(D)          ctx->dump_printf( ctx, "%10.8f", D )
  98 #define HFLT(F)         ctx->dump_printf( ctx, "0x%08x", fui((F)) )
  99 #define ENM(E,ENUMS)    dump_enum( ctx, E, ENUMS, sizeof( ENUMS ) / sizeof( *ENUMS ) )
 100
 101 const char *
 102 tgsi_swizzle_names[4] =
 103 {
 104    "x",
 105    "y",
 106    "z",
 107    "w"
 108 };
 109
 110 static void
 111 _dump_register_src(
 112    struct dump_ctx *ctx,
 113    const struct tgsi_full_src_register *src )
 114 {
 115    TXT(tgsi_file_name(src->Register.File));
 116    if (src->Register.Dimension) {
 117       if (src->Dimension.Indirect) {
 118          CHR( '[' );
 119          TXT(tgsi_file_name(src->DimIndirect.File));
 120          CHR( '[' );
 121          SID( src->DimIndirect.Index );
 122          TXT( "]." );
 123          ENM( src->DimIndirect.Swizzle, tgsi_swizzle_names );
 124          if (src->Dimension.Index != 0) {
 125             if (src->Dimension.Index > 0)
 126                CHR( '+' );
 127             SID( src->Dimension.Index );
 128          }
 129          CHR( ']' );
 130          if (src->DimIndirect.ArrayID) {
 131             CHR( '(' );
 132             SID( src->DimIndirect.ArrayID );
 133             CHR( ')' );
 134          }
 135       } else {
 136          CHR('[');
 137          SID(src->Dimension.Index);
 138          CHR(']');
 139       }
 140    }
 141    if (src->Register.Indirect) {
 142       CHR( '[' );
 143       TXT(tgsi_file_name(src->Indirect.File));
 144       CHR( '[' );
 145       SID( src->Indirect.Index );
 146       TXT( "]." );
 147       ENM( src->Indirect.Swizzle, tgsi_swizzle_names );
 148       if (src->Register.Index != 0) {
 149          if (src->Register.Index > 0)
 150             CHR( '+' );
 151          SID( src->Register.Index );
 152       }
 153       CHR( ']' );
 154       if (src->Indirect.ArrayID) {
 155          CHR( '(' );
 156          SID( src->Indirect.ArrayID );
 157          CHR( ')' );
 158       }
 159    } else {
 160       CHR( '[' );
 161       SID( src->Register.Index );
 162       CHR( ']' );
 163    }
 164 }
 165
 166
 167 static void
 168 _dump_register_dst(
 169    struct dump_ctx *ctx,
 170    const struct tgsi_full_dst_register *dst )
 171 {
 172    TXT(tgsi_file_name(dst->Register.File));
 173    if (dst->Register.Dimension) {
 174       if (dst->Dimension.Indirect) {
 175          CHR( '[' );
 176          TXT(tgsi_file_name(dst->DimIndirect.File));
 177          CHR( '[' );
 178          SID( dst->DimIndirect.Index );
 179          TXT( "]." );
 180          ENM( dst->DimIndirect.Swizzle, tgsi_swizzle_names );
 181          if (dst->Dimension.Index != 0) {
 182             if (dst->Dimension.Index > 0)
 183                CHR( '+' );
 184             SID( dst->Dimension.Index );
 185          }
 186          CHR( ']' );
 187          if (dst->DimIndirect.ArrayID) {
 188             CHR( '(' );
 189             SID( dst->DimIndirect.ArrayID );
 190             CHR( ')' );
 191          }
 192       } else {
 193          CHR('[');
 194          SID(dst->Dimension.Index);
 195          CHR(']');
 196       }
 197    }
 198    if (dst->Register.Indirect) {
 199       CHR( '[' );
 200       TXT(tgsi_file_name(dst->Indirect.File));
 201       CHR( '[' );
 202       SID( dst->Indirect.Index );
 203       TXT( "]." );
 204       ENM( dst->Indirect.Swizzle, tgsi_swizzle_names );
 205       if (dst->Register.Index != 0) {
 206          if (dst->Register.Index > 0)
 207             CHR( '+' );
 208          SID( dst->Register.Index );
 209       }
 210       CHR( ']' );
 211       if (dst->Indirect.ArrayID) {
 212          CHR( '(' );
 213          SID( dst->Indirect.ArrayID );
 214          CHR( ')' );
 215       }
 216    } else {
 217       CHR( '[' );
 218       SID( dst->Register.Index );
 219       CHR( ']' );
 220    }
 221 }
 222 static void
 223 _dump_writemask(
 224    struct dump_ctx *ctx,
 225    uint writemask )
 226 {
 227    if (writemask != TGSI_WRITEMASK_XYZW) {
 228       CHR( '.' );
 229       if (writemask & TGSI_WRITEMASK_X)
 230          CHR( 'x' );
 231       if (writemask & TGSI_WRITEMASK_Y)
 232          CHR( 'y' );
 233       if (writemask & TGSI_WRITEMASK_Z)
 234          CHR( 'z' );
 235       if (writemask & TGSI_WRITEMASK_W)
 236          CHR( 'w' );
 237    }
 238 }
 239
 240 static void
 241 dump_imm_data(struct tgsi_iterate_context *iter,
 242               union tgsi_immediate_data *data,
 243               unsigned num_tokens,
 244               unsigned data_type)
 245 {
 246    struct dump_ctx *ctx = (struct dump_ctx *)iter;
 247    unsigned i ;
 248
 249    TXT( " {" );
 250
 251    assert( num_tokens <= 4 );
 252    for (i = 0; i < num_tokens; i++) {
 253       switch (data_type) {
 254       case TGSI_IMM_FLOAT64: {
 255          union di d;
 256          d.ui = data[i].Uint | (uint64_t)data[i+1].Uint << 32;
 257          DBL( d.d );
 258          i++;
 259          break;
 260       }
 261       case TGSI_IMM_INT64: {
 262          union di d;
 263          d.i = data[i].Uint | (uint64_t)data[i+1].Uint << 32;
 264          SI64D( d.i );
 265          i++;
 266          break;
 267       }
 268       case TGSI_IMM_UINT64: {
 269          union di d;
 270          d.ui = data[i].Uint | (uint64_t)data[i+1].Uint << 32;
 271          UI64D( d.ui );
 272          i++;
 273          break;
 274       }
 275       case TGSI_IMM_FLOAT32:
 276          if (ctx->dump_float_as_hex)
 277             HFLT( data[i].Float );
 278          else
 279             FLT( data[i].Float );
 280          break;
 281       case TGSI_IMM_UINT32:
 282          UID(data[i].Uint);
 283          break;
 284       case TGSI_IMM_INT32:
 285          SID(data[i].Int);
 286          break;
 287       default:
 288          assert( 0 );
 289       }
 290
 291       if (i < num_tokens - 1)
 292          TXT( ", " );
 293    }
 294    TXT( "}" );
 295 }
 296
 297 static boolean
 298 iter_declaration(
 299    struct tgsi_iterate_context *iter,
 300    struct tgsi_full_declaration *decl )
 301 {
 302    struct dump_ctx *ctx = (struct dump_ctx *)iter;
 303    boolean patch = decl->Semantic.Name == TGSI_SEMANTIC_PATCH ||
 304       decl->Semantic.Name == TGSI_SEMANTIC_TESSINNER ||
 305       decl->Semantic.Name == TGSI_SEMANTIC_TESSOUTER ||
 306       decl->Semantic.Name == TGSI_SEMANTIC_PRIMID;
 307
 308    TXT( "DCL " );
 309
 310    TXT(tgsi_file_name(decl->Declaration.File));
 311
 312    /* all geometry shader inputs and non-patch tessellation shader inputs are
 313     * two dimensional
 314     */
 315    if (decl->Declaration.File == TGSI_FILE_INPUT &&
 316        (iter->processor.Processor == PIPE_SHADER_GEOMETRY ||
 317         (!patch &&
 318          (iter->processor.Processor == PIPE_SHADER_TESS_CTRL ||
 319           iter->processor.Processor == PIPE_SHADER_TESS_EVAL)))) {
 320       TXT("[]");
 321    }
 322
 323    /* all non-patch tess ctrl shader outputs are two dimensional */
 324    if (decl->Declaration.File == TGSI_FILE_OUTPUT &&
 325        !patch &&
 326        iter->processor.Processor == PIPE_SHADER_TESS_CTRL) {
 327       TXT("[]");
 328    }
 329
 330    if (decl->Declaration.Dimension) {
 331       CHR('[');
 332       SID(decl->Dim.Index2D);
 333       CHR(']');
 334    }
 335
 336    CHR('[');
 337    SID(decl->Range.First);
 338    if (decl->Range.First != decl->Range.Last) {
 339       TXT("..");
 340       SID(decl->Range.Last);
 341    }
 342    CHR(']');
 343
 344    _dump_writemask(
 345       ctx,
 346       decl->Declaration.UsageMask );
 347
 348    if (decl->Declaration.Array) {
 349       TXT( ", ARRAY(" );
 350       SID(decl->Array.ArrayID);
 351       CHR(')');
 352    }
 353
 354    if (decl->Declaration.Local)
 355       TXT( ", LOCAL" );
 356
 357    if (decl->Declaration.Semantic) {
 358       TXT( ", " );
 359       ENM( decl->Semantic.Name, tgsi_semantic_names );
 360       if (decl->Semantic.Index != 0 ||
 361           decl->Semantic.Name == TGSI_SEMANTIC_TEXCOORD ||
 362           decl->Semantic.Name == TGSI_SEMANTIC_GENERIC) {
 363          CHR( '[' );
 364          UID( decl->Semantic.Index );
 365          CHR( ']' );
 366       }
 367
 368       if (decl->Semantic.StreamX != 0 || decl->Semantic.StreamY != 0 ||
 369           decl->Semantic.StreamZ != 0 || decl->Semantic.StreamW != 0) {
 370          TXT(", STREAM(");
 371          UID(decl->Semantic.StreamX);
 372          TXT(", ");
 373          UID(decl->Semantic.StreamY);
 374          TXT(", ");
 375          UID(decl->Semantic.StreamZ);
 376          TXT(", ");
 377          UID(decl->Semantic.StreamW);
 378          CHR(')');
 379       }
 380    }
 381
 382    if (decl->Declaration.File == TGSI_FILE_IMAGE) {
 383       TXT(", ");
 384       ENM(decl->Image.Resource, tgsi_texture_names);
 385       TXT(", ");
 386       TXT(util_format_name(decl->Image.Format));
 387       if (decl->Image.Writable)
 388          TXT(", WR");
 389       if (decl->Image.Raw)
 390          TXT(", RAW");
 391    }
 392
 393    if (decl->Declaration.File == TGSI_FILE_BUFFER) {
 394       if (decl->Declaration.Atomic)
 395          TXT(", ATOMIC");
 396    }
 397
 398    if (decl->Declaration.File == TGSI_FILE_MEMORY) {
 399       switch (decl->Declaration.MemType) {
 400       /* Note: ,GLOBAL is optional / the default */
 401       case TGSI_MEMORY_TYPE_GLOBAL:  TXT(", GLOBAL");  break;
 402       case TGSI_MEMORY_TYPE_SHARED:  TXT(", SHARED");  break;
 403       case TGSI_MEMORY_TYPE_PRIVATE: TXT(", PRIVATE"); break;
 404       case TGSI_MEMORY_TYPE_INPUT:   TXT(", INPUT");   break;
 405       }
 406    }
 407
 408    if (decl->Declaration.File == TGSI_FILE_SAMPLER_VIEW) {
 409       TXT(", ");
 410       ENM(decl->SamplerView.Resource, tgsi_texture_names);
 411       TXT(", ");
 412       if ((decl->SamplerView.ReturnTypeX == decl->SamplerView.ReturnTypeY) &&
 413           (decl->SamplerView.ReturnTypeX == decl->SamplerView.ReturnTypeZ) &&
 414           (decl->SamplerView.ReturnTypeX == decl->SamplerView.ReturnTypeW)) {
 415          ENM(decl->SamplerView.ReturnTypeX, tgsi_return_type_names);
 416       } else {
 417          ENM(decl->SamplerView.ReturnTypeX, tgsi_return_type_names);
 418          TXT(", ");
 419          ENM(decl->SamplerView.ReturnTypeY, tgsi_return_type_names);
 420          TXT(", ");
 421          ENM(decl->SamplerView.ReturnTypeZ, tgsi_return_type_names);
 422          TXT(", ");
 423          ENM(decl->SamplerView.ReturnTypeW, tgsi_return_type_names);
 424       }
 425    }
 426
 427    if (decl->Declaration.Interpolate) {
 428       if (iter->processor.Processor == PIPE_SHADER_FRAGMENT &&
 429           decl->Declaration.File == TGSI_FILE_INPUT)
 430       {
 431          TXT( ", " );
 432          ENM( decl->Interp.Interpolate, tgsi_interpolate_names );
 433       }
 434
 435       if (decl->Interp.Location != TGSI_INTERPOLATE_LOC_CENTER) {
 436          TXT( ", " );
 437          ENM( decl->Interp.Location, tgsi_interpolate_locations );
 438       }
 439
 440       if (decl->Interp.CylindricalWrap) {
 441          TXT(", CYLWRAP_");
 442          if (decl->Interp.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_X) {
 443             CHR('X');
 444          }
 445          if (decl->Interp.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_Y) {
 446             CHR('Y');
 447          }
 448          if (decl->Interp.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_Z) {
 449             CHR('Z');
 450          }
 451          if (decl->Interp.CylindricalWrap & TGSI_CYLINDRICAL_WRAP_W) {
 452             CHR('W');
 453          }
 454       }
 455    }
 456
 457    if (decl->Declaration.Invariant) {
 458       TXT( ", INVARIANT" );
 459    }
 460
 461    EOL();
 462
 463    return TRUE;
 464 }
 465
 466 void
 467 tgsi_dump_declaration(
 468    const struct tgsi_full_declaration *decl )
 469 {
 470    struct dump_ctx ctx;
 471    memset(&ctx, 0, sizeof(ctx));
 472
 473    ctx.dump_printf = dump_ctx_printf;
 474
 475    iter_declaration( &ctx.iter, (struct tgsi_full_declaration *)decl );
 476 }
 477
 478 static boolean
 479 iter_property(
 480    struct tgsi_iterate_context *iter,
 481    struct tgsi_full_property *prop )
 482 {
 483    int i;
 484    struct dump_ctx *ctx = (struct dump_ctx *)iter;
 485
 486    TXT( "PROPERTY " );
 487    ENM(prop->Property.PropertyName, tgsi_property_names);
 488
 489    if (prop->Property.NrTokens > 1)
 490       TXT(" ");
 491
 492    for (i = 0; i < prop->Property.NrTokens - 1; ++i) {
 493       switch (prop->Property.PropertyName) {
 494       case TGSI_PROPERTY_GS_INPUT_PRIM:
 495       case TGSI_PROPERTY_GS_OUTPUT_PRIM:
 496          ENM(prop->u[i].Data, tgsi_primitive_names);
 497          break;
 498       case TGSI_PROPERTY_FS_COORD_ORIGIN:
 499          ENM(prop->u[i].Data, tgsi_fs_coord_origin_names);
 500          break;
 501       case TGSI_PROPERTY_FS_COORD_PIXEL_CENTER:
 502          ENM(prop->u[i].Data, tgsi_fs_coord_pixel_center_names);
 503          break;
 504       case TGSI_PROPERTY_NEXT_SHADER:
 505          ENM(prop->u[i].Data, tgsi_processor_type_names);
 506          break;
 507       default:
 508          SID( prop->u[i].Data );
 509          break;
 510       }
 511       if (i < prop->Property.NrTokens - 2)
 512          TXT( ", " );
 513    }
 514    EOL();
 515
 516    return TRUE;
 517 }
 518
 519 void tgsi_dump_property(
 520    const struct tgsi_full_property *prop )
 521 {
 522    struct dump_ctx ctx;
 523    memset(&ctx, 0, sizeof(ctx));
 524
 525    ctx.dump_printf = dump_ctx_printf;
 526
 527    iter_property( &ctx.iter, (struct tgsi_full_property *)prop );
 528 }
 529
 530 static boolean
 531 iter_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    SID( ctx->immno++ );
 539    TXT( "] " );
 540    ENM( imm->Immediate.DataType, tgsi_immediate_type_names );
 541
 542    dump_imm_data(iter, imm->u, imm->Immediate.NrTokens - 1,
 543                  imm->Immediate.DataType);
 544
 545    EOL();
 546
 547    return TRUE;
 548 }
 549
 550 void
 551 tgsi_dump_immediate(
 552    const struct tgsi_full_immediate *imm )
 553 {
 554    struct dump_ctx ctx;
 555    memset(&ctx, 0, sizeof(ctx));
 556
 557    ctx.dump_printf = dump_ctx_printf;
 558
 559    iter_immediate( &ctx.iter, (struct tgsi_full_immediate *)imm );
 560 }
 561
 562 static boolean
 563 iter_instruction(
 564    struct tgsi_iterate_context *iter,
 565    struct tgsi_full_instruction *inst )
 566 {
 567    struct dump_ctx *ctx = (struct dump_ctx *) iter;
 568    uint instno = ctx->instno++;
 569    const struct tgsi_opcode_info *info = tgsi_get_opcode_info( inst->Instruction.Opcode );
 570    uint i;
 571    boolean first_reg = TRUE;
 572
 573    INSTID( instno );
 574    TXT( ": " );
 575
 576    ctx->indent -= info->pre_dedent;
 577    for(i = 0; (int)i < ctx->indent; ++i)
 578       TXT( "  " );
 579    ctx->indent += info->post_indent;
 580
 581    TXT( tgsi_get_opcode_name(inst->Instruction.Opcode) );
 582
 583    if (inst->Instruction.Saturate) {
 584       TXT( "_SAT" );
 585    }
 586
 587    if (inst->Instruction.Precise) {
 588       TXT( "_PRECISE" );
 589    }
 590
 591    for (i = 0; i < inst->Instruction.NumDstRegs; i++) {
 592       const struct tgsi_full_dst_register *dst = &inst->Dst[i];
 593
 594       if (!first_reg)
 595          CHR( ',' );
 596       CHR( ' ' );
 597
 598       _dump_register_dst( ctx, dst );
 599       _dump_writemask( ctx, dst->Register.WriteMask );
 600
 601       first_reg = FALSE;
 602    }
 603
 604    for (i = 0; i < inst->Instruction.NumSrcRegs; i++) {
 605       const struct tgsi_full_src_register *src = &inst->Src[i];
 606
 607       if (!first_reg)
 608          CHR( ',' );
 609       CHR( ' ' );
 610
 611       if (src->Register.Negate)
 612          CHR( '-' );
 613       if (src->Register.Absolute)
 614          CHR( '|' );
 615
 616       _dump_register_src(ctx, src);
 617
 618       if (src->Register.SwizzleX != TGSI_SWIZZLE_X ||
 619           src->Register.SwizzleY != TGSI_SWIZZLE_Y ||
 620           src->Register.SwizzleZ != TGSI_SWIZZLE_Z ||
 621           src->Register.SwizzleW != TGSI_SWIZZLE_W) {
 622          CHR( '.' );
 623          ENM( src->Register.SwizzleX, tgsi_swizzle_names );
 624          ENM( src->Register.SwizzleY, tgsi_swizzle_names );
 625          ENM( src->Register.SwizzleZ, tgsi_swizzle_names );
 626          ENM( src->Register.SwizzleW, tgsi_swizzle_names );
 627       }
 628
 629       if (src->Register.Absolute)
 630          CHR( '|' );
 631
 632       first_reg = FALSE;
 633    }
 634
 635    if (inst->Instruction.Texture) {
 636       if (!(inst->Instruction.Opcode >= TGSI_OPCODE_SAMPLE &&
 637             inst->Instruction.Opcode <= TGSI_OPCODE_GATHER4)) {
 638          TXT( ", " );
 639          ENM( inst->Texture.Texture, tgsi_texture_names );
 640       }
 641       for (i = 0; i < inst->Texture.NumOffsets; i++) {
 642          TXT( ", " );
 643          TXT(tgsi_file_name(inst->TexOffsets[i].File));
 644          CHR( '[' );
 645          SID( inst->TexOffsets[i].Index );
 646          CHR( ']' );
 647          CHR( '.' );
 648          ENM( inst->TexOffsets[i].SwizzleX, tgsi_swizzle_names);
 649          ENM( inst->TexOffsets[i].SwizzleY, tgsi_swizzle_names);
 650          ENM( inst->TexOffsets[i].SwizzleZ, tgsi_swizzle_names);
 651       }
 652    }
 653
 654    if (inst->Instruction.Memory) {
 655       uint32_t qualifier = inst->Memory.Qualifier;
 656       while (qualifier) {
 657          int bit = ffs(qualifier) - 1;
 658          qualifier &= ~(1U << bit);
 659          TXT(", ");
 660          ENM(bit, tgsi_memory_names);
 661       }
 662       if (inst->Memory.Texture) {
 663          TXT( ", " );
 664          ENM( inst->Memory.Texture, tgsi_texture_names );
 665       }
 666       if (inst->Memory.Format) {
 667          TXT( ", " );
 668          TXT( util_format_name(inst->Memory.Format) );
 669       }
 670    }
 671
 672    if (inst->Instruction.Label) {
 673       switch (inst->Instruction.Opcode) {
 674       case TGSI_OPCODE_IF:
 675       case TGSI_OPCODE_UIF:
 676       case TGSI_OPCODE_ELSE:
 677       case TGSI_OPCODE_BGNLOOP:
 678       case TGSI_OPCODE_ENDLOOP:
 679       case TGSI_OPCODE_CAL:
 680       case TGSI_OPCODE_BGNSUB:
 681          TXT( " :" );
 682          UID( inst->Label.Label );
 683          break;
 684       }
 685    }
 686
 687    /* update indentation */
 688    if (inst->Instruction.Opcode == TGSI_OPCODE_IF ||
 689        inst->Instruction.Opcode == TGSI_OPCODE_UIF ||
 690        inst->Instruction.Opcode == TGSI_OPCODE_ELSE ||
 691        inst->Instruction.Opcode == TGSI_OPCODE_BGNLOOP) {
 692       ctx->indentation += indent_spaces;
 693    }
 694
 695    EOL();
 696
 697    return TRUE;
 698 }
 699
 700 void
 701 tgsi_dump_instruction(
 702    const struct tgsi_full_instruction *inst,
 703    uint instno )
 704 {
 705    struct dump_ctx ctx;
 706    memset(&ctx, 0, sizeof(ctx));
 707
 708    ctx.instno = instno;
 709    ctx.immno = instno;
 710    ctx.indent = 0;
 711    ctx.dump_printf = dump_ctx_printf;
 712    ctx.indentation = 0;
 713    ctx.file = NULL;
 714
 715    iter_instruction( &ctx.iter, (struct tgsi_full_instruction *)inst );
 716 }
 717
 718 static boolean
 719 prolog(
 720    struct tgsi_iterate_context *iter )
 721 {
 722    struct dump_ctx *ctx = (struct dump_ctx *) iter;
 723    ENM( iter->processor.Processor, tgsi_processor_type_names );
 724    EOL();
 725    return TRUE;
 726 }
 727
 728 static void
 729 init_dump_ctx(struct dump_ctx *ctx, uint flags)
 730 {
 731    memset(ctx, 0, sizeof(*ctx));
 732
 733    ctx->iter.prolog = prolog;
 734    ctx->iter.iterate_instruction = iter_instruction;
 735    ctx->iter.iterate_declaration = iter_declaration;
 736    ctx->iter.iterate_immediate = iter_immediate;
 737    ctx->iter.iterate_property = iter_property;
 738
 739    if (flags & TGSI_DUMP_FLOAT_AS_HEX)
 740       ctx->dump_float_as_hex = TRUE;
 741 }
 742
 743 void
 744 tgsi_dump_to_file(const struct tgsi_token *tokens, uint flags, FILE *file)
 745 {
 746    struct dump_ctx ctx;
 747    memset(&ctx, 0, sizeof(ctx));
 748
 749    init_dump_ctx(&ctx, flags);
 750
 751    ctx.dump_printf = dump_ctx_printf;
 752    ctx.file = file;
 753
 754    tgsi_iterate_shader( tokens, &ctx.iter );
 755 }
 756
 757 void
 758 tgsi_dump(const struct tgsi_token *tokens, uint flags)
 759 {
 760    tgsi_dump_to_file(tokens, flags, NULL);
 761 }
 762
 763 struct str_dump_ctx
 764 {
 765    struct dump_ctx base;
 766    char *str;
 767    char *ptr;
 768    int left;
 769    bool nospace;
 770 };
 771
 772 static void
 773 str_dump_ctx_printf(struct dump_ctx *ctx, const char *format, ...)
 774 {
 775    struct str_dump_ctx *sctx = (struct str_dump_ctx *)ctx;
 776
 777    if (!sctx->nospace) {
 778       int written;
 779       va_list ap;
 780       va_start(ap, format);
 781       written = vsnprintf(sctx->ptr, sctx->left, format, ap);
 782       va_end(ap);
 783
 784       /* Some complicated logic needed to handle the return value of
 785        * vsnprintf:
 786        */
 787       if (written > 0) {
 788          if (written >= sctx->left) {
 789             sctx->nospace = true;
 790             written = sctx->left;
 791          }
 792          sctx->ptr += written;
 793          sctx->left -= written;
 794       }
 795    }
 796 }
 797
 798 bool
 799 tgsi_dump_str(
 800    const struct tgsi_token *tokens,
 801    uint flags,
 802    char *str,
 803    size_t size)
 804 {
 805    struct str_dump_ctx ctx;
 806    memset(&ctx, 0, sizeof(ctx));
 807
 808    init_dump_ctx(&ctx.base, flags);
 809
 810    ctx.base.dump_printf = &str_dump_ctx_printf;
 811
 812    ctx.str = str;
 813    ctx.str[0] = 0;
 814    ctx.ptr = str;
 815    ctx.left = (int)size;
 816    ctx.nospace = false;
 817
 818    tgsi_iterate_shader( tokens, &ctx.base.iter );
 819
 820    return !ctx.nospace;
 821 }
 822
 823 void
 824 tgsi_dump_instruction_str(
 825    const struct tgsi_full_instruction *inst,
 826    uint instno,
 827    char *str,
 828    size_t size)
 829 {
 830    struct str_dump_ctx ctx;
 831    memset(&ctx, 0, sizeof(ctx));
 832
 833    ctx.base.instno = instno;
 834    ctx.base.immno = instno;
 835    ctx.base.indent = 0;
 836    ctx.base.dump_printf = &str_dump_ctx_printf;
 837    ctx.base.indentation = 0;
 838    ctx.base.file = NULL;
 839
 840    ctx.str = str;
 841    ctx.str[0] = 0;
 842    ctx.ptr = str;
 843    ctx.left = (int)size;
 844    ctx.nospace = false;
 845
 846    iter_instruction( &ctx.base.iter, (struct tgsi_full_instruction *)inst );
 847 }