src/compiler/nir/nir_print.c

   1 /*
   2  * Copyright © 2014 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Connor Abbott (cwabbott0@gmail.com)
  25  *
  26  */
  27
  28 #include "nir.h"
  29 #include "compiler/shader_enums.h"
  30 #include "util/half_float.h"
  31 #include "vulkan/vulkan_core.h"
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <inttypes.h> /* for PRIx64 macro */
  35
  36 static void
  37 print_tabs(unsigned num_tabs, FILE *fp)
  38 {
  39    for (unsigned i = 0; i < num_tabs; i++)
  40       fprintf(fp, "\t");
  41 }
  42
  43 typedef struct {
  44    FILE *fp;
  45    nir_shader *shader;
  46    /** map from nir_variable -> printable name */
  47    struct hash_table *ht;
  48
  49    /** set of names used so far for nir_variables */
  50    struct set *syms;
  51
  52    /* an index used to make new non-conflicting names */
  53    unsigned index;
  54
  55    /**
  56     * Optional table of annotations mapping nir object
  57     * (such as instr or var) to message to print.
  58     */
  59    struct hash_table *annotations;
  60 } print_state;
  61
  62 static void
  63 print_annotation(print_state *state, void *obj)
  64 {
  65    if (!state->annotations)
  66       return;
  67
  68    struct hash_entry *entry = _mesa_hash_table_search(state->annotations, obj);
  69    if (!entry)
  70       return;
  71
  72    const char *note = entry->data;
  73    _mesa_hash_table_remove(state->annotations, entry);
  74
  75    fprintf(stderr, "%s\n\n", note);
  76 }
  77
  78 static void
  79 print_register(nir_register *reg, print_state *state)
  80 {
  81    FILE *fp = state->fp;
  82    if (reg->name != NULL)
  83       fprintf(fp, "/* %s */ ", reg->name);
  84    fprintf(fp, "r%u", reg->index);
  85 }
  86
  87 static const char *sizes[] = { "error", "vec1", "vec2", "vec3", "vec4",
  88                                "error", "error", "error", "vec8",
  89                                "error", "error", "error", "error",
  90                                "error", "error", "error", "vec16"};
  91
  92 static void
  93 print_register_decl(nir_register *reg, print_state *state)
  94 {
  95    FILE *fp = state->fp;
  96    fprintf(fp, "decl_reg %s %u ", sizes[reg->num_components], reg->bit_size);
  97    print_register(reg, state);
  98    if (reg->num_array_elems != 0)
  99       fprintf(fp, "[%u]", reg->num_array_elems);
 100    fprintf(fp, "\n");
 101 }
 102
 103 static void
 104 print_ssa_def(nir_ssa_def *def, print_state *state)
 105 {
 106    FILE *fp = state->fp;
 107    if (def->name != NULL)
 108       fprintf(fp, "/* %s */ ", def->name);
 109    fprintf(fp, "%s %u ssa_%u", sizes[def->num_components], def->bit_size,
 110            def->index);
 111 }
 112
 113 static void
 114 print_ssa_use(nir_ssa_def *def, print_state *state)
 115 {
 116    FILE *fp = state->fp;
 117    if (def->name != NULL)
 118       fprintf(fp, "/* %s */ ", def->name);
 119    fprintf(fp, "ssa_%u", def->index);
 120 }
 121
 122 static void print_src(const nir_src *src, print_state *state);
 123
 124 static void
 125 print_reg_src(const nir_reg_src *src, print_state *state)
 126 {
 127    FILE *fp = state->fp;
 128    print_register(src->reg, state);
 129    if (src->reg->num_array_elems != 0) {
 130       fprintf(fp, "[%u", src->base_offset);
 131       if (src->indirect != NULL) {
 132          fprintf(fp, " + ");
 133          print_src(src->indirect, state);
 134       }
 135       fprintf(fp, "]");
 136    }
 137 }
 138
 139 static void
 140 print_reg_dest(nir_reg_dest *dest, print_state *state)
 141 {
 142    FILE *fp = state->fp;
 143    print_register(dest->reg, state);
 144    if (dest->reg->num_array_elems != 0) {
 145       fprintf(fp, "[%u", dest->base_offset);
 146       if (dest->indirect != NULL) {
 147          fprintf(fp, " + ");
 148          print_src(dest->indirect, state);
 149       }
 150       fprintf(fp, "]");
 151    }
 152 }
 153
 154 static void
 155 print_src(const nir_src *src, print_state *state)
 156 {
 157    if (src->is_ssa)
 158       print_ssa_use(src->ssa, state);
 159    else
 160       print_reg_src(&src->reg, state);
 161 }
 162
 163 static void
 164 print_dest(nir_dest *dest, print_state *state)
 165 {
 166    if (dest->is_ssa)
 167       print_ssa_def(&dest->ssa, state);
 168    else
 169       print_reg_dest(&dest->reg, state);
 170 }
 171
 172 static void
 173 print_alu_src(nir_alu_instr *instr, unsigned src, print_state *state)
 174 {
 175    FILE *fp = state->fp;
 176
 177    if (instr->src[src].negate)
 178       fprintf(fp, "-");
 179    if (instr->src[src].abs)
 180       fprintf(fp, "abs(");
 181
 182    print_src(&instr->src[src].src, state);
 183
 184    bool print_swizzle = false;
 185    nir_component_mask_t used_channels = 0;
 186
 187    for (unsigned i = 0; i < NIR_MAX_VEC_COMPONENTS; i++) {
 188       if (!nir_alu_instr_channel_used(instr, src, i))
 189          continue;
 190
 191       used_channels++;
 192
 193       if (instr->src[src].swizzle[i] != i) {
 194          print_swizzle = true;
 195          break;
 196       }
 197    }
 198
 199    unsigned live_channels = nir_src_num_components(instr->src[src].src);
 200
 201    if (print_swizzle || used_channels != live_channels) {
 202       fprintf(fp, ".");
 203       for (unsigned i = 0; i < NIR_MAX_VEC_COMPONENTS; i++) {
 204          if (!nir_alu_instr_channel_used(instr, src, i))
 205             continue;
 206
 207          fprintf(fp, "%c", "xyzw"[instr->src[src].swizzle[i]]);
 208       }
 209    }
 210
 211    if (instr->src[src].abs)
 212       fprintf(fp, ")");
 213 }
 214
 215 static void
 216 print_alu_dest(nir_alu_dest *dest, print_state *state)
 217 {
 218    FILE *fp = state->fp;
 219    /* we're going to print the saturate modifier later, after the opcode */
 220
 221    print_dest(&dest->dest, state);
 222
 223    if (!dest->dest.is_ssa &&
 224        dest->write_mask != (1 << dest->dest.reg.reg->num_components) - 1) {
 225       fprintf(fp, ".");
 226       for (unsigned i = 0; i < NIR_MAX_VEC_COMPONENTS; i++)
 227          if ((dest->write_mask >> i) & 1)
 228             fprintf(fp, "%c", "xyzw"[i]);
 229    }
 230 }
 231
 232 static void
 233 print_alu_instr(nir_alu_instr *instr, print_state *state)
 234 {
 235    FILE *fp = state->fp;
 236
 237    print_alu_dest(&instr->dest, state);
 238
 239    fprintf(fp, " = %s", nir_op_infos[instr->op].name);
 240    if (instr->exact)
 241       fprintf(fp, "!");
 242    if (instr->dest.saturate)
 243       fprintf(fp, ".sat");
 244    fprintf(fp, " ");
 245
 246    for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++) {
 247       if (i != 0)
 248          fprintf(fp, ", ");
 249
 250       print_alu_src(instr, i, state);
 251    }
 252 }
 253
 254 static const char *
 255 get_var_name(nir_variable *var, print_state *state)
 256 {
 257    if (state->ht == NULL)
 258       return var->name ? var->name : "unnamed";
 259
 260    assert(state->syms);
 261
 262    struct hash_entry *entry = _mesa_hash_table_search(state->ht, var);
 263    if (entry)
 264       return entry->data;
 265
 266    char *name;
 267    if (var->name == NULL) {
 268       name = ralloc_asprintf(state->syms, "@%u", state->index++);
 269    } else {
 270       struct set_entry *set_entry = _mesa_set_search(state->syms, var->name);
 271       if (set_entry != NULL) {
 272          /* we have a collision with another name, append an @ + a unique
 273           * index */
 274          name = ralloc_asprintf(state->syms, "%s@%u", var->name,
 275                                 state->index++);
 276       } else {
 277          /* Mark this one as seen */
 278          _mesa_set_add(state->syms, var->name);
 279          name = var->name;
 280       }
 281    }
 282
 283    _mesa_hash_table_insert(state->ht, var, name);
 284
 285    return name;
 286 }
 287
 288 static void
 289 print_constant(nir_constant *c, const struct glsl_type *type, print_state *state)
 290 {
 291    FILE *fp = state->fp;
 292    const unsigned rows = glsl_get_vector_elements(type);
 293    const unsigned cols = glsl_get_matrix_columns(type);
 294    unsigned i, j;
 295
 296    switch (glsl_get_base_type(type)) {
 297    case GLSL_TYPE_BOOL:
 298       /* Only float base types can be matrices. */
 299       assert(cols == 1);
 300
 301       for (i = 0; i < rows; i++) {
 302          if (i > 0) fprintf(fp, ", ");
 303          fprintf(fp, "%s", c->values[0][i].b ? "true" : "false");
 304       }
 305       break;
 306
 307    case GLSL_TYPE_UINT8:
 308    case GLSL_TYPE_INT8:
 309       /* Only float base types can be matrices. */
 310       assert(cols == 1);
 311
 312       for (i = 0; i < rows; i++) {
 313          if (i > 0) fprintf(fp, ", ");
 314          fprintf(fp, "0x%02x", c->values[0][i].u8);
 315       }
 316       break;
 317
 318    case GLSL_TYPE_UINT16:
 319    case GLSL_TYPE_INT16:
 320       /* Only float base types can be matrices. */
 321       assert(cols == 1);
 322
 323       for (i = 0; i < rows; i++) {
 324          if (i > 0) fprintf(fp, ", ");
 325          fprintf(fp, "0x%04x", c->values[0][i].u16);
 326       }
 327       break;
 328
 329    case GLSL_TYPE_UINT:
 330    case GLSL_TYPE_INT:
 331       /* Only float base types can be matrices. */
 332       assert(cols == 1);
 333
 334       for (i = 0; i < rows; i++) {
 335          if (i > 0) fprintf(fp, ", ");
 336          fprintf(fp, "0x%08x", c->values[0][i].u32);
 337       }
 338       break;
 339
 340    case GLSL_TYPE_FLOAT16:
 341       for (i = 0; i < cols; i++) {
 342          for (j = 0; j < rows; j++) {
 343             if (i + j > 0) fprintf(fp, ", ");
 344             fprintf(fp, "%f", _mesa_half_to_float(c->values[i][j].u16));
 345          }
 346       }
 347       break;
 348
 349    case GLSL_TYPE_FLOAT:
 350       for (i = 0; i < cols; i++) {
 351          for (j = 0; j < rows; j++) {
 352             if (i + j > 0) fprintf(fp, ", ");
 353             fprintf(fp, "%f", c->values[i][j].f32);
 354          }
 355       }
 356       break;
 357
 358    case GLSL_TYPE_DOUBLE:
 359       for (i = 0; i < cols; i++) {
 360          for (j = 0; j < rows; j++) {
 361             if (i + j > 0) fprintf(fp, ", ");
 362             fprintf(fp, "%f", c->values[i][j].f64);
 363          }
 364       }
 365       break;
 366
 367    case GLSL_TYPE_UINT64:
 368    case GLSL_TYPE_INT64:
 369       /* Only float base types can be matrices. */
 370       assert(cols == 1);
 371
 372       for (i = 0; i < cols; i++) {
 373          if (i > 0) fprintf(fp, ", ");
 374          fprintf(fp, "0x%08" PRIx64, c->values[0][i].u64);
 375       }
 376       break;
 377
 378    case GLSL_TYPE_STRUCT:
 379       for (i = 0; i < c->num_elements; i++) {
 380          if (i > 0) fprintf(fp, ", ");
 381          fprintf(fp, "{ ");
 382          print_constant(c->elements[i], glsl_get_struct_field(type, i), state);
 383          fprintf(fp, " }");
 384       }
 385       break;
 386
 387    case GLSL_TYPE_ARRAY:
 388       for (i = 0; i < c->num_elements; i++) {
 389          if (i > 0) fprintf(fp, ", ");
 390          fprintf(fp, "{ ");
 391          print_constant(c->elements[i], glsl_get_array_element(type), state);
 392          fprintf(fp, " }");
 393       }
 394       break;
 395
 396    default:
 397       unreachable("not reached");
 398    }
 399 }
 400
 401 static const char *
 402 get_variable_mode_str(nir_variable_mode mode, bool want_local_global_mode)
 403 {
 404    switch (mode) {
 405    case nir_var_shader_in:
 406       return "shader_in";
 407    case nir_var_shader_out:
 408       return "shader_out";
 409    case nir_var_uniform:
 410       return "uniform";
 411    case nir_var_mem_ubo:
 412       return "ubo";
 413    case nir_var_system_value:
 414       return "system";
 415    case nir_var_mem_ssbo:
 416       return "ssbo";
 417    case nir_var_mem_shared:
 418       return "shared";
 419    case nir_var_mem_global:
 420       return "global";
 421    case nir_var_shader_temp:
 422       return want_local_global_mode ? "shader_temp" : "";
 423    case nir_var_function_temp:
 424       return want_local_global_mode ? "function_temp" : "";
 425    default:
 426       return "";
 427    }
 428 }
 429
 430 static void
 431 print_var_decl(nir_variable *var, print_state *state)
 432 {
 433    FILE *fp = state->fp;
 434
 435    fprintf(fp, "decl_var ");
 436
 437    const char *const cent = (var->data.centroid) ? "centroid " : "";
 438    const char *const samp = (var->data.sample) ? "sample " : "";
 439    const char *const patch = (var->data.patch) ? "patch " : "";
 440    const char *const inv = (var->data.invariant) ? "invariant " : "";
 441    fprintf(fp, "%s%s%s%s%s %s ",
 442            cent, samp, patch, inv, get_variable_mode_str(var->data.mode, false),
 443            glsl_interp_mode_name(var->data.interpolation));
 444
 445    enum gl_access_qualifier access = var->data.image.access;
 446    const char *const coher = (access & ACCESS_COHERENT) ? "coherent " : "";
 447    const char *const volat = (access & ACCESS_VOLATILE) ? "volatile " : "";
 448    const char *const restr = (access & ACCESS_RESTRICT) ? "restrict " : "";
 449    const char *const ronly = (access & ACCESS_NON_WRITEABLE) ? "readonly " : "";
 450    const char *const wonly = (access & ACCESS_NON_READABLE) ? "writeonly " : "";
 451    fprintf(fp, "%s%s%s%s%s", coher, volat, restr, ronly, wonly);
 452
 453 #define FORMAT_CASE(x) case x: fprintf(stderr, #x " "); break
 454    switch (var->data.image.format) {
 455    FORMAT_CASE(GL_RGBA32F);
 456    FORMAT_CASE(GL_RGBA32UI);
 457    FORMAT_CASE(GL_RGBA32I);
 458    FORMAT_CASE(GL_R32F);
 459    FORMAT_CASE(GL_R32UI);
 460    FORMAT_CASE(GL_R32I);
 461    FORMAT_CASE(GL_RG32F);
 462    FORMAT_CASE(GL_RG32UI);
 463    FORMAT_CASE(GL_RG32I);
 464    FORMAT_CASE(GL_R8);
 465    FORMAT_CASE(GL_RG8);
 466    FORMAT_CASE(GL_RGBA8);
 467    FORMAT_CASE(GL_R8_SNORM);
 468    FORMAT_CASE(GL_RG8_SNORM);
 469    FORMAT_CASE(GL_RGBA8_SNORM);
 470    FORMAT_CASE(GL_R16);
 471    FORMAT_CASE(GL_RG16);
 472    FORMAT_CASE(GL_RGBA16);
 473    FORMAT_CASE(GL_R16_SNORM);
 474    FORMAT_CASE(GL_RG16_SNORM);
 475    FORMAT_CASE(GL_RGBA16_SNORM);
 476    FORMAT_CASE(GL_R16F);
 477    FORMAT_CASE(GL_RG16F);
 478    FORMAT_CASE(GL_RGBA16F);
 479    FORMAT_CASE(GL_R8UI);
 480    FORMAT_CASE(GL_R8I);
 481    FORMAT_CASE(GL_RG8UI);
 482    FORMAT_CASE(GL_RG8I);
 483    FORMAT_CASE(GL_RGBA8UI);
 484    FORMAT_CASE(GL_RGBA8I);
 485    FORMAT_CASE(GL_R16UI);
 486    FORMAT_CASE(GL_R16I);
 487    FORMAT_CASE(GL_RG16UI);
 488    FORMAT_CASE(GL_RG16I);
 489    FORMAT_CASE(GL_RGBA16UI);
 490    FORMAT_CASE(GL_RGBA16I);
 491    FORMAT_CASE(GL_R11F_G11F_B10F);
 492    FORMAT_CASE(GL_RGB9_E5);
 493    FORMAT_CASE(GL_RGB10_A2);
 494    FORMAT_CASE(GL_RGB10_A2UI);
 495    default: /* Including the normal GL_NONE */
 496       break;
 497    }
 498 #undef FORMAT_CASE
 499
 500    fprintf(fp, "%s %s", glsl_get_type_name(var->type),
 501            get_var_name(var, state));
 502
 503    if (var->data.mode == nir_var_shader_in ||
 504        var->data.mode == nir_var_shader_out ||
 505        var->data.mode == nir_var_uniform ||
 506        var->data.mode == nir_var_mem_ubo ||
 507        var->data.mode == nir_var_mem_ssbo) {
 508       const char *loc = NULL;
 509       char buf[4];
 510
 511       switch (state->shader->info.stage) {
 512       case MESA_SHADER_VERTEX:
 513          if (var->data.mode == nir_var_shader_in)
 514             loc = gl_vert_attrib_name(var->data.location);
 515          else if (var->data.mode == nir_var_shader_out)
 516             loc = gl_varying_slot_name(var->data.location);
 517          break;
 518       case MESA_SHADER_GEOMETRY:
 519          if ((var->data.mode == nir_var_shader_in) ||
 520              (var->data.mode == nir_var_shader_out))
 521             loc = gl_varying_slot_name(var->data.location);
 522          break;
 523       case MESA_SHADER_FRAGMENT:
 524          if (var->data.mode == nir_var_shader_in)
 525             loc = gl_varying_slot_name(var->data.location);
 526          else if (var->data.mode == nir_var_shader_out)
 527             loc = gl_frag_result_name(var->data.location);
 528          break;
 529       case MESA_SHADER_TESS_CTRL:
 530       case MESA_SHADER_TESS_EVAL:
 531       case MESA_SHADER_COMPUTE:
 532       case MESA_SHADER_KERNEL:
 533       default:
 534          /* TODO */
 535          break;
 536       }
 537
 538       if (!loc) {
 539          snprintf(buf, sizeof(buf), "%u", var->data.location);
 540          loc = buf;
 541       }
 542
 543       /* For shader I/O vars that have been split to components or packed,
 544        * print the fractional location within the input/output.
 545        */
 546       unsigned int num_components =
 547          glsl_get_components(glsl_without_array(var->type));
 548       const char *components = NULL;
 549       char components_local[6] = {'.' /* the rest is 0-filled */};
 550       switch (var->data.mode) {
 551       case nir_var_shader_in:
 552       case nir_var_shader_out:
 553          if (num_components < 4 && num_components != 0) {
 554             const char *xyzw = "xyzw";
 555             for (int i = 0; i < num_components; i++)
 556                components_local[i + 1] = xyzw[i + var->data.location_frac];
 557
 558             components = components_local;
 559          }
 560          break;
 561       default:
 562          break;
 563       }
 564
 565       fprintf(fp, " (%s%s, %u, %u)%s", loc,
 566               components ? components : "",
 567               var->data.driver_location, var->data.binding,
 568               var->data.compact ? " compact" : "");
 569    }
 570
 571    if (var->constant_initializer) {
 572       fprintf(fp, " = { ");
 573       print_constant(var->constant_initializer, var->type, state);
 574       fprintf(fp, " }");
 575    }
 576
 577    fprintf(fp, "\n");
 578    print_annotation(state, var);
 579 }
 580
 581 static void
 582 print_deref_link(const nir_deref_instr *instr, bool whole_chain, print_state *state)
 583 {
 584    FILE *fp = state->fp;
 585
 586    if (instr->deref_type == nir_deref_type_var) {
 587       fprintf(fp, "%s", get_var_name(instr->var, state));
 588       return;
 589    } else if (instr->deref_type == nir_deref_type_cast) {
 590       fprintf(fp, "(%s *)", glsl_get_type_name(instr->type));
 591       print_src(&instr->parent, state);
 592       return;
 593    }
 594
 595    assert(instr->parent.is_ssa);
 596    nir_deref_instr *parent =
 597       nir_instr_as_deref(instr->parent.ssa->parent_instr);
 598
 599    /* Is the parent we're going to print a bare cast? */
 600    const bool is_parent_cast =
 601       whole_chain && parent->deref_type == nir_deref_type_cast;
 602
 603    /* If we're not printing the whole chain, the parent we print will be a SSA
 604     * value that represents a pointer.  The only deref type that naturally
 605     * gives a pointer is a cast.
 606     */
 607    const bool is_parent_pointer =
 608       !whole_chain || parent->deref_type == nir_deref_type_cast;
 609
 610    /* Struct derefs have a nice syntax that works on pointers, arrays derefs
 611     * do not.
 612     */
 613    const bool need_deref =
 614       is_parent_pointer && instr->deref_type != nir_deref_type_struct;
 615
 616    /* Cast need extra parens and so * dereferences */
 617    if (is_parent_cast || need_deref)
 618       fprintf(fp, "(");
 619
 620    if (need_deref)
 621       fprintf(fp, "*");
 622
 623    if (whole_chain) {
 624       print_deref_link(parent, whole_chain, state);
 625    } else {
 626       print_src(&instr->parent, state);
 627    }
 628
 629    if (is_parent_cast || need_deref)
 630       fprintf(fp, ")");
 631
 632    switch (instr->deref_type) {
 633    case nir_deref_type_struct:
 634       fprintf(fp, "%s%s", is_parent_pointer ? "->" : ".",
 635               glsl_get_struct_elem_name(parent->type, instr->strct.index));
 636       break;
 637
 638    case nir_deref_type_array:
 639    case nir_deref_type_ptr_as_array: {
 640       if (nir_src_is_const(instr->arr.index)) {
 641          fprintf(fp, "[%"PRIx64"]", nir_src_as_int(instr->arr.index));
 642       } else {
 643          fprintf(fp, "[");
 644          print_src(&instr->arr.index, state);
 645          fprintf(fp, "]");
 646       }
 647       break;
 648    }
 649
 650    case nir_deref_type_array_wildcard:
 651       fprintf(fp, "[*]");
 652       break;
 653
 654    default:
 655       unreachable("Invalid deref instruction type");
 656    }
 657 }
 658
 659 static void
 660 print_deref_instr(nir_deref_instr *instr, print_state *state)
 661 {
 662    FILE *fp = state->fp;
 663
 664    print_dest(&instr->dest, state);
 665
 666    switch (instr->deref_type) {
 667    case nir_deref_type_var:
 668       fprintf(fp, " = deref_var ");
 669       break;
 670    case nir_deref_type_array:
 671    case nir_deref_type_array_wildcard:
 672       fprintf(fp, " = deref_array ");
 673       break;
 674    case nir_deref_type_struct:
 675       fprintf(fp, " = deref_struct ");
 676       break;
 677    case nir_deref_type_cast:
 678       fprintf(fp, " = deref_cast ");
 679       break;
 680    case nir_deref_type_ptr_as_array:
 681       fprintf(fp, " = deref_ptr_as_array ");
 682       break;
 683    default:
 684       unreachable("Invalid deref instruction type");
 685    }
 686
 687    /* Only casts naturally return a pointer type */
 688    if (instr->deref_type != nir_deref_type_cast)
 689       fprintf(fp, "&");
 690
 691    print_deref_link(instr, false, state);
 692
 693    fprintf(fp, " (%s %s) ",
 694            get_variable_mode_str(instr->mode, true),
 695            glsl_get_type_name(instr->type));
 696
 697    if (instr->deref_type != nir_deref_type_var &&
 698        instr->deref_type != nir_deref_type_cast) {
 699       /* Print the entire chain as a comment */
 700       fprintf(fp, "/* &");
 701       print_deref_link(instr, true, state);
 702       fprintf(fp, " */");
 703    }
 704 }
 705
 706 static const char *
 707 vulkan_descriptor_type_name(VkDescriptorType type)
 708 {
 709    switch (type) {
 710    case VK_DESCRIPTOR_TYPE_SAMPLER: return "sampler";
 711    case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER: return "texture+sampler";
 712    case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE: return "texture";
 713    case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE: return "image";
 714    case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER: return "texture-buffer";
 715    case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER: return "image-buffer";
 716    case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER: return "UBO";
 717    case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER: return "SSBO";
 718    case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC: return "UBO";
 719    case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC: return "SSBO";
 720    case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT: return "input-att";
 721    case VK_DESCRIPTOR_TYPE_INLINE_UNIFORM_BLOCK_EXT: return "inline-UBO";
 722    default: return "unknown";
 723    }
 724 }
 725
 726 static void
 727 print_intrinsic_instr(nir_intrinsic_instr *instr, print_state *state)
 728 {
 729    const nir_intrinsic_info *info = &nir_intrinsic_infos[instr->intrinsic];
 730    unsigned num_srcs = info->num_srcs;
 731    FILE *fp = state->fp;
 732
 733    if (info->has_dest) {
 734       print_dest(&instr->dest, state);
 735       fprintf(fp, " = ");
 736    }
 737
 738    fprintf(fp, "intrinsic %s (", info->name);
 739
 740    for (unsigned i = 0; i < num_srcs; i++) {
 741       if (i != 0)
 742          fprintf(fp, ", ");
 743
 744       print_src(&instr->src[i], state);
 745    }
 746
 747    fprintf(fp, ") (");
 748
 749    for (unsigned i = 0; i < info->num_indices; i++) {
 750       if (i != 0)
 751          fprintf(fp, ", ");
 752
 753       fprintf(fp, "%d", instr->const_index[i]);
 754    }
 755
 756    fprintf(fp, ")");
 757
 758    static const char *index_name[NIR_INTRINSIC_NUM_INDEX_FLAGS] = {
 759       [NIR_INTRINSIC_BASE] = "base",
 760       [NIR_INTRINSIC_WRMASK] = "wrmask",
 761       [NIR_INTRINSIC_STREAM_ID] = "stream-id",
 762       [NIR_INTRINSIC_UCP_ID] = "ucp-id",
 763       [NIR_INTRINSIC_RANGE] = "range",
 764       [NIR_INTRINSIC_DESC_SET] = "desc-set",
 765       [NIR_INTRINSIC_BINDING] = "binding",
 766       [NIR_INTRINSIC_COMPONENT] = "component",
 767       [NIR_INTRINSIC_INTERP_MODE] = "interp_mode",
 768       [NIR_INTRINSIC_REDUCTION_OP] = "reduction_op",
 769       [NIR_INTRINSIC_CLUSTER_SIZE] = "cluster_size",
 770       [NIR_INTRINSIC_PARAM_IDX] = "param_idx",
 771       [NIR_INTRINSIC_IMAGE_DIM] = "image_dim",
 772       [NIR_INTRINSIC_IMAGE_ARRAY] = "image_array",
 773       [NIR_INTRINSIC_ACCESS] = "access",
 774       [NIR_INTRINSIC_FORMAT] = "format",
 775       [NIR_INTRINSIC_ALIGN_MUL] = "align_mul",
 776       [NIR_INTRINSIC_ALIGN_OFFSET] = "align_offset",
 777       [NIR_INTRINSIC_DESC_TYPE] = "desc_type",
 778       [NIR_INTRINSIC_TYPE] = "type",
 779       [NIR_INTRINSIC_SWIZZLE_MASK] = "swizzle_mask",
 780    };
 781    for (unsigned idx = 1; idx < NIR_INTRINSIC_NUM_INDEX_FLAGS; idx++) {
 782       if (!info->index_map[idx])
 783          continue;
 784       fprintf(fp, " /*");
 785       if (idx == NIR_INTRINSIC_WRMASK) {
 786          /* special case wrmask to show it as a writemask.. */
 787          unsigned wrmask = nir_intrinsic_write_mask(instr);
 788          fprintf(fp, " wrmask=");
 789          for (unsigned i = 0; i < 4; i++)
 790             if ((wrmask >> i) & 1)
 791                fprintf(fp, "%c", "xyzw"[i]);
 792       } else if (idx == NIR_INTRINSIC_REDUCTION_OP) {
 793          nir_op reduction_op = nir_intrinsic_reduction_op(instr);
 794          fprintf(fp, " reduction_op=%s", nir_op_infos[reduction_op].name);
 795       } else if (idx == NIR_INTRINSIC_IMAGE_DIM) {
 796          static const char *dim_name[] = {
 797             [GLSL_SAMPLER_DIM_1D] = "1D",
 798             [GLSL_SAMPLER_DIM_2D] = "2D",
 799             [GLSL_SAMPLER_DIM_3D] = "3D",
 800             [GLSL_SAMPLER_DIM_CUBE] = "Cube",
 801             [GLSL_SAMPLER_DIM_RECT] = "Rect",
 802             [GLSL_SAMPLER_DIM_BUF] = "Buf",
 803             [GLSL_SAMPLER_DIM_MS] = "2D-MSAA",
 804             [GLSL_SAMPLER_DIM_SUBPASS] = "Subpass",
 805             [GLSL_SAMPLER_DIM_SUBPASS_MS] = "Subpass-MSAA",
 806          };
 807          enum glsl_sampler_dim dim = nir_intrinsic_image_dim(instr);
 808          assert(dim < ARRAY_SIZE(dim_name) && dim_name[dim]);
 809          fprintf(fp, " image_dim=%s", dim_name[dim]);
 810       } else if (idx == NIR_INTRINSIC_IMAGE_ARRAY) {
 811          bool array = nir_intrinsic_image_array(instr);
 812          fprintf(fp, " image_array=%s", array ? "true" : "false");
 813       } else if (idx == NIR_INTRINSIC_DESC_TYPE) {
 814          VkDescriptorType desc_type = nir_intrinsic_desc_type(instr);
 815          fprintf(fp, " desc_type=%s", vulkan_descriptor_type_name(desc_type));
 816       } else if (idx == NIR_INTRINSIC_TYPE) {
 817          nir_alu_type type = nir_intrinsic_type(instr);
 818          unsigned size = nir_alu_type_get_type_size(type);
 819          const char *name;
 820          switch (nir_alu_type_get_base_type(type)) {
 821          case nir_type_int: name = "int"; break;
 822          case nir_type_uint: name = "uint"; break;
 823          case nir_type_bool: name = "bool"; break;
 824          case nir_type_float: name = "float"; break;
 825          default: name = "invalid";
 826          }
 827          if (size)
 828             fprintf(fp, " type=%s%u", name, size);
 829          else
 830             fprintf(fp, " type=%s", name);
 831       } else if (idx == NIR_INTRINSIC_SWIZZLE_MASK) {
 832          fprintf(fp, " swizzle_mask=");
 833          unsigned mask = nir_intrinsic_swizzle_mask(instr);
 834          if (instr->intrinsic == nir_intrinsic_quad_swizzle_amd) {
 835             for (unsigned i = 0; i < 4; i++)
 836                fprintf(fp, "%d", (mask >> (i * 2) & 3));
 837          } else if (instr->intrinsic == nir_intrinsic_masked_swizzle_amd) {
 838             fprintf(fp, "((id & %d) | %d) ^ %d", mask & 0x1F,
 839                                                 (mask >> 5) & 0x1F,
 840                                                 (mask >> 10) & 0x1F);
 841          } else {
 842             fprintf(fp, "%d", mask);
 843          }
 844       } else {
 845          unsigned off = info->index_map[idx] - 1;
 846          assert(index_name[idx]);  /* forgot to update index_name table? */
 847          fprintf(fp, " %s=%d", index_name[idx], instr->const_index[off]);
 848       }
 849       fprintf(fp, " */");
 850    }
 851
 852    if (!state->shader)
 853       return;
 854
 855    struct exec_list *var_list = NULL;
 856
 857    switch (instr->intrinsic) {
 858    case nir_intrinsic_load_uniform:
 859       var_list = &state->shader->uniforms;
 860       break;
 861    case nir_intrinsic_load_input:
 862    case nir_intrinsic_load_interpolated_input:
 863    case nir_intrinsic_load_per_vertex_input:
 864       var_list = &state->shader->inputs;
 865       break;
 866    case nir_intrinsic_load_output:
 867    case nir_intrinsic_store_output:
 868    case nir_intrinsic_store_per_vertex_output:
 869       var_list = &state->shader->outputs;
 870       break;
 871    default:
 872       return;
 873    }
 874
 875    nir_foreach_variable(var, var_list) {
 876       if ((var->data.driver_location == nir_intrinsic_base(instr)) &&
 877           (instr->intrinsic == nir_intrinsic_load_uniform ||
 878            (nir_intrinsic_component(instr) >= var->data.location_frac  &&
 879             nir_intrinsic_component(instr) <
 880             (var->data.location_frac + glsl_get_components(var->type)))) &&
 881            var->name) {
 882          fprintf(fp, "\t/* %s */", var->name);
 883          break;
 884       }
 885    }
 886 }
 887
 888 static void
 889 print_tex_instr(nir_tex_instr *instr, print_state *state)
 890 {
 891    FILE *fp = state->fp;
 892
 893    print_dest(&instr->dest, state);
 894
 895    fprintf(fp, " = ");
 896
 897    switch (instr->op) {
 898    case nir_texop_tex:
 899       fprintf(fp, "tex ");
 900       break;
 901    case nir_texop_txb:
 902       fprintf(fp, "txb ");
 903       break;
 904    case nir_texop_txl:
 905       fprintf(fp, "txl ");
 906       break;
 907    case nir_texop_txd:
 908       fprintf(fp, "txd ");
 909       break;
 910    case nir_texop_txf:
 911       fprintf(fp, "txf ");
 912       break;
 913    case nir_texop_txf_ms:
 914       fprintf(fp, "txf_ms ");
 915       break;
 916    case nir_texop_txf_ms_fb:
 917       fprintf(fp, "txf_ms_fb ");
 918       break;
 919    case nir_texop_txf_ms_mcs:
 920       fprintf(fp, "txf_ms_mcs ");
 921       break;
 922    case nir_texop_txs:
 923       fprintf(fp, "txs ");
 924       break;
 925    case nir_texop_lod:
 926       fprintf(fp, "lod ");
 927       break;
 928    case nir_texop_tg4:
 929       fprintf(fp, "tg4 ");
 930       break;
 931    case nir_texop_query_levels:
 932       fprintf(fp, "query_levels ");
 933       break;
 934    case nir_texop_texture_samples:
 935       fprintf(fp, "texture_samples ");
 936       break;
 937    case nir_texop_samples_identical:
 938       fprintf(fp, "samples_identical ");
 939       break;
 940    default:
 941       unreachable("Invalid texture operation");
 942       break;
 943    }
 944
 945    bool has_texture_deref = false, has_sampler_deref = false;
 946    for (unsigned i = 0; i < instr->num_srcs; i++) {
 947       if (i > 0) {
 948          fprintf(fp, ", ");
 949       }
 950
 951       print_src(&instr->src[i].src, state);
 952       fprintf(fp, " ");
 953
 954       switch(instr->src[i].src_type) {
 955       case nir_tex_src_coord:
 956          fprintf(fp, "(coord)");
 957          break;
 958       case nir_tex_src_projector:
 959          fprintf(fp, "(projector)");
 960          break;
 961       case nir_tex_src_comparator:
 962          fprintf(fp, "(comparator)");
 963          break;
 964       case nir_tex_src_offset:
 965          fprintf(fp, "(offset)");
 966          break;
 967       case nir_tex_src_bias:
 968          fprintf(fp, "(bias)");
 969          break;
 970       case nir_tex_src_lod:
 971          fprintf(fp, "(lod)");
 972          break;
 973       case nir_tex_src_min_lod:
 974          fprintf(fp, "(min_lod)");
 975          break;
 976       case nir_tex_src_ms_index:
 977          fprintf(fp, "(ms_index)");
 978          break;
 979       case nir_tex_src_ms_mcs:
 980          fprintf(fp, "(ms_mcs)");
 981          break;
 982       case nir_tex_src_ddx:
 983          fprintf(fp, "(ddx)");
 984          break;
 985       case nir_tex_src_ddy:
 986          fprintf(fp, "(ddy)");
 987          break;
 988       case nir_tex_src_texture_deref:
 989          has_texture_deref = true;
 990          fprintf(fp, "(texture_deref)");
 991          break;
 992       case nir_tex_src_sampler_deref:
 993          has_sampler_deref = true;
 994          fprintf(fp, "(sampler_deref)");
 995          break;
 996       case nir_tex_src_texture_offset:
 997          fprintf(fp, "(texture_offset)");
 998          break;
 999       case nir_tex_src_sampler_offset:
1000          fprintf(fp, "(sampler_offset)");
1001          break;
1002       case nir_tex_src_texture_handle:
1003          fprintf(fp, "(texture_handle)");
1004          break;
1005       case nir_tex_src_sampler_handle:
1006          fprintf(fp, "(sampler_handle)");
1007          break;
1008       case nir_tex_src_plane:
1009          fprintf(fp, "(plane)");
1010          break;
1011
1012       default:
1013          unreachable("Invalid texture source type");
1014          break;
1015       }
1016    }
1017
1018    if (instr->op == nir_texop_tg4) {
1019       fprintf(fp, ", %u (gather_component)", instr->component);
1020    }
1021
1022    if (nir_tex_instr_has_explicit_tg4_offsets(instr)) {
1023       fprintf(fp, ", { (%i, %i)", instr->tg4_offsets[0][0], instr->tg4_offsets[0][1]);
1024       for (unsigned i = 1; i < 4; ++i)
1025          fprintf(fp, ", (%i, %i)", instr->tg4_offsets[i][0],
1026                  instr->tg4_offsets[i][1]);
1027       fprintf(fp, " } (offsets)");
1028    }
1029
1030    if (instr->op != nir_texop_txf_ms_fb) {
1031       if (!has_texture_deref) {
1032          fprintf(fp, ", %u (texture)", instr->texture_index);
1033       }
1034
1035       if (!has_sampler_deref) {
1036          fprintf(fp, ", %u (sampler)", instr->sampler_index);
1037       }
1038    }
1039 }
1040
1041 static void
1042 print_call_instr(nir_call_instr *instr, print_state *state)
1043 {
1044    FILE *fp = state->fp;
1045
1046    fprintf(fp, "call %s ", instr->callee->name);
1047
1048    for (unsigned i = 0; i < instr->num_params; i++) {
1049       if (i != 0)
1050          fprintf(fp, ", ");
1051
1052       print_src(&instr->params[i], state);
1053    }
1054 }
1055
1056 static void
1057 print_load_const_instr(nir_load_const_instr *instr, print_state *state)
1058 {
1059    FILE *fp = state->fp;
1060
1061    print_ssa_def(&instr->def, state);
1062
1063    fprintf(fp, " = load_const (");
1064
1065    for (unsigned i = 0; i < instr->def.num_components; i++) {
1066       if (i != 0)
1067          fprintf(fp, ", ");
1068
1069       /*
1070        * we don't really know the type of the constant (if it will be used as a
1071        * float or an int), so just print the raw constant in hex for fidelity
1072        * and then print the float in a comment for readability.
1073        */
1074
1075       switch (instr->def.bit_size) {
1076       case 64:
1077          fprintf(fp, "0x%16" PRIx64 " /* %f */", instr->value[i].u64,
1078                  instr->value[i].f64);
1079          break;
1080       case 32:
1081          fprintf(fp, "0x%08x /* %f */", instr->value[i].u32, instr->value[i].f32);
1082          break;
1083       case 16:
1084          fprintf(fp, "0x%04x /* %f */", instr->value[i].u16,
1085                  _mesa_half_to_float(instr->value[i].u16));
1086          break;
1087       case 8:
1088          fprintf(fp, "0x%02x", instr->value[i].u8);
1089          break;
1090       case 1:
1091          fprintf(fp, "%s", instr->value[i].b ? "true" : "false");
1092          break;
1093       }
1094    }
1095
1096    fprintf(fp, ")");
1097 }
1098
1099 static void
1100 print_jump_instr(nir_jump_instr *instr, print_state *state)
1101 {
1102    FILE *fp = state->fp;
1103
1104    switch (instr->type) {
1105    case nir_jump_break:
1106       fprintf(fp, "break");
1107       break;
1108
1109    case nir_jump_continue:
1110       fprintf(fp, "continue");
1111       break;
1112
1113    case nir_jump_return:
1114       fprintf(fp, "return");
1115       break;
1116    }
1117 }
1118
1119 static void
1120 print_ssa_undef_instr(nir_ssa_undef_instr* instr, print_state *state)
1121 {
1122    FILE *fp = state->fp;
1123    print_ssa_def(&instr->def, state);
1124    fprintf(fp, " = undefined");
1125 }
1126
1127 static void
1128 print_phi_instr(nir_phi_instr *instr, print_state *state)
1129 {
1130    FILE *fp = state->fp;
1131    print_dest(&instr->dest, state);
1132    fprintf(fp, " = phi ");
1133    nir_foreach_phi_src(src, instr) {
1134       if (&src->node != exec_list_get_head(&instr->srcs))
1135          fprintf(fp, ", ");
1136
1137       fprintf(fp, "block_%u: ", src->pred->index);
1138       print_src(&src->src, state);
1139    }
1140 }
1141
1142 static void
1143 print_parallel_copy_instr(nir_parallel_copy_instr *instr, print_state *state)
1144 {
1145    FILE *fp = state->fp;
1146    nir_foreach_parallel_copy_entry(entry, instr) {
1147       if (&entry->node != exec_list_get_head(&instr->entries))
1148          fprintf(fp, "; ");
1149
1150       print_dest(&entry->dest, state);
1151       fprintf(fp, " = ");
1152       print_src(&entry->src, state);
1153    }
1154 }
1155
1156 static void
1157 print_instr(const nir_instr *instr, print_state *state, unsigned tabs)
1158 {
1159    FILE *fp = state->fp;
1160    print_tabs(tabs, fp);
1161
1162    switch (instr->type) {
1163    case nir_instr_type_alu:
1164       print_alu_instr(nir_instr_as_alu(instr), state);
1165       break;
1166
1167    case nir_instr_type_deref:
1168       print_deref_instr(nir_instr_as_deref(instr), state);
1169       break;
1170
1171    case nir_instr_type_call:
1172       print_call_instr(nir_instr_as_call(instr), state);
1173       break;
1174
1175    case nir_instr_type_intrinsic:
1176       print_intrinsic_instr(nir_instr_as_intrinsic(instr), state);
1177       break;
1178
1179    case nir_instr_type_tex:
1180       print_tex_instr(nir_instr_as_tex(instr), state);
1181       break;
1182
1183    case nir_instr_type_load_const:
1184       print_load_const_instr(nir_instr_as_load_const(instr), state);
1185       break;
1186
1187    case nir_instr_type_jump:
1188       print_jump_instr(nir_instr_as_jump(instr), state);
1189       break;
1190
1191    case nir_instr_type_ssa_undef:
1192       print_ssa_undef_instr(nir_instr_as_ssa_undef(instr), state);
1193       break;
1194
1195    case nir_instr_type_phi:
1196       print_phi_instr(nir_instr_as_phi(instr), state);
1197       break;
1198
1199    case nir_instr_type_parallel_copy:
1200       print_parallel_copy_instr(nir_instr_as_parallel_copy(instr), state);
1201       break;
1202
1203    default:
1204       unreachable("Invalid instruction type");
1205       break;
1206    }
1207 }
1208
1209 static int
1210 compare_block_index(const void *p1, const void *p2)
1211 {
1212    const nir_block *block1 = *((const nir_block **) p1);
1213    const nir_block *block2 = *((const nir_block **) p2);
1214
1215    return (int) block1->index - (int) block2->index;
1216 }
1217
1218 static void print_cf_node(nir_cf_node *node, print_state *state,
1219                           unsigned tabs);
1220
1221 static void
1222 print_block(nir_block *block, print_state *state, unsigned tabs)
1223 {
1224    FILE *fp = state->fp;
1225
1226    print_tabs(tabs, fp);
1227    fprintf(fp, "block block_%u:\n", block->index);
1228
1229    /* sort the predecessors by index so we consistently print the same thing */
1230
1231    nir_block **preds =
1232       malloc(block->predecessors->entries * sizeof(nir_block *));
1233
1234    unsigned i = 0;
1235    set_foreach(block->predecessors, entry) {
1236       preds[i++] = (nir_block *) entry->key;
1237    }
1238
1239    qsort(preds, block->predecessors->entries, sizeof(nir_block *),
1240          compare_block_index);
1241
1242    print_tabs(tabs, fp);
1243    fprintf(fp, "/* preds: ");
1244    for (unsigned i = 0; i < block->predecessors->entries; i++) {
1245       fprintf(fp, "block_%u ", preds[i]->index);
1246    }
1247    fprintf(fp, "*/\n");
1248
1249    free(preds);
1250
1251    nir_foreach_instr(instr, block) {
1252       print_instr(instr, state, tabs);
1253       fprintf(fp, "\n");
1254       print_annotation(state, instr);
1255    }
1256
1257    print_tabs(tabs, fp);
1258    fprintf(fp, "/* succs: ");
1259    for (unsigned i = 0; i < 2; i++)
1260       if (block->successors[i]) {
1261          fprintf(fp, "block_%u ", block->successors[i]->index);
1262       }
1263    fprintf(fp, "*/\n");
1264 }
1265
1266 static void
1267 print_if(nir_if *if_stmt, print_state *state, unsigned tabs)
1268 {
1269    FILE *fp = state->fp;
1270
1271    print_tabs(tabs, fp);
1272    fprintf(fp, "if ");
1273    print_src(&if_stmt->condition, state);
1274    fprintf(fp, " {\n");
1275    foreach_list_typed(nir_cf_node, node, node, &if_stmt->then_list) {
1276       print_cf_node(node, state, tabs + 1);
1277    }
1278    print_tabs(tabs, fp);
1279    fprintf(fp, "} else {\n");
1280    foreach_list_typed(nir_cf_node, node, node, &if_stmt->else_list) {
1281       print_cf_node(node, state, tabs + 1);
1282    }
1283    print_tabs(tabs, fp);
1284    fprintf(fp, "}\n");
1285 }
1286
1287 static void
1288 print_loop(nir_loop *loop, print_state *state, unsigned tabs)
1289 {
1290    FILE *fp = state->fp;
1291
1292    print_tabs(tabs, fp);
1293    fprintf(fp, "loop {\n");
1294    foreach_list_typed(nir_cf_node, node, node, &loop->body) {
1295       print_cf_node(node, state, tabs + 1);
1296    }
1297    print_tabs(tabs, fp);
1298    fprintf(fp, "}\n");
1299 }
1300
1301 static void
1302 print_cf_node(nir_cf_node *node, print_state *state, unsigned int tabs)
1303 {
1304    switch (node->type) {
1305    case nir_cf_node_block:
1306       print_block(nir_cf_node_as_block(node), state, tabs);
1307       break;
1308
1309    case nir_cf_node_if:
1310       print_if(nir_cf_node_as_if(node), state, tabs);
1311       break;
1312
1313    case nir_cf_node_loop:
1314       print_loop(nir_cf_node_as_loop(node), state, tabs);
1315       break;
1316
1317    default:
1318       unreachable("Invalid CFG node type");
1319    }
1320 }
1321
1322 static void
1323 print_function_impl(nir_function_impl *impl, print_state *state)
1324 {
1325    FILE *fp = state->fp;
1326
1327    fprintf(fp, "\nimpl %s ", impl->function->name);
1328
1329    fprintf(fp, "{\n");
1330
1331    nir_foreach_variable(var, &impl->locals) {
1332       fprintf(fp, "\t");
1333       print_var_decl(var, state);
1334    }
1335
1336    foreach_list_typed(nir_register, reg, node, &impl->registers) {
1337       fprintf(fp, "\t");
1338       print_register_decl(reg, state);
1339    }
1340
1341    nir_index_blocks(impl);
1342
1343    foreach_list_typed(nir_cf_node, node, node, &impl->body) {
1344       print_cf_node(node, state, 1);
1345    }
1346
1347    fprintf(fp, "\tblock block_%u:\n}\n\n", impl->end_block->index);
1348 }
1349
1350 static void
1351 print_function(nir_function *function, print_state *state)
1352 {
1353    FILE *fp = state->fp;
1354
1355    fprintf(fp, "decl_function %s (%d params)", function->name,
1356            function->num_params);
1357
1358    fprintf(fp, "\n");
1359
1360    if (function->impl != NULL) {
1361       print_function_impl(function->impl, state);
1362       return;
1363    }
1364 }
1365
1366 static void
1367 init_print_state(print_state *state, nir_shader *shader, FILE *fp)
1368 {
1369    state->fp = fp;
1370    state->shader = shader;
1371    state->ht = _mesa_pointer_hash_table_create(NULL);
1372    state->syms = _mesa_set_create(NULL, _mesa_key_hash_string,
1373                                   _mesa_key_string_equal);
1374    state->index = 0;
1375 }
1376
1377 static void
1378 destroy_print_state(print_state *state)
1379 {
1380    _mesa_hash_table_destroy(state->ht, NULL);
1381    _mesa_set_destroy(state->syms, NULL);
1382 }
1383
1384 void
1385 nir_print_shader_annotated(nir_shader *shader, FILE *fp,
1386                            struct hash_table *annotations)
1387 {
1388    print_state state;
1389    init_print_state(&state, shader, fp);
1390
1391    state.annotations = annotations;
1392
1393    fprintf(fp, "shader: %s\n", gl_shader_stage_name(shader->info.stage));
1394
1395    if (shader->info.name)
1396       fprintf(fp, "name: %s\n", shader->info.name);
1397
1398    if (shader->info.label)
1399       fprintf(fp, "label: %s\n", shader->info.label);
1400
1401    if (gl_shader_stage_is_compute(shader->info.stage)) {
1402       fprintf(fp, "local-size: %u, %u, %u%s\n",
1403               shader->info.cs.local_size[0],
1404               shader->info.cs.local_size[1],
1405               shader->info.cs.local_size[2],
1406               shader->info.cs.local_size_variable ? " (variable)" : "");
1407       fprintf(fp, "shared-size: %u\n", shader->info.cs.shared_size);
1408    }
1409
1410    fprintf(fp, "inputs: %u\n", shader->num_inputs);
1411    fprintf(fp, "outputs: %u\n", shader->num_outputs);
1412    fprintf(fp, "uniforms: %u\n", shader->num_uniforms);
1413    fprintf(fp, "shared: %u\n", shader->num_shared);
1414    if (shader->scratch_size)
1415       fprintf(fp, "scratch: %u\n", shader->scratch_size);
1416
1417    nir_foreach_variable(var, &shader->uniforms) {
1418       print_var_decl(var, &state);
1419    }
1420
1421    nir_foreach_variable(var, &shader->inputs) {
1422       print_var_decl(var, &state);
1423    }
1424
1425    nir_foreach_variable(var, &shader->outputs) {
1426       print_var_decl(var, &state);
1427    }
1428
1429    nir_foreach_variable(var, &shader->shared) {
1430       print_var_decl(var, &state);
1431    }
1432
1433    nir_foreach_variable(var, &shader->globals) {
1434       print_var_decl(var, &state);
1435    }
1436
1437    nir_foreach_variable(var, &shader->system_values) {
1438       print_var_decl(var, &state);
1439    }
1440
1441    foreach_list_typed(nir_function, func, node, &shader->functions) {
1442       print_function(func, &state);
1443    }
1444
1445    destroy_print_state(&state);
1446 }
1447
1448 void
1449 nir_print_shader(nir_shader *shader, FILE *fp)
1450 {
1451    nir_print_shader_annotated(shader, fp, NULL);
1452    fflush(fp);
1453 }
1454
1455 void
1456 nir_print_instr(const nir_instr *instr, FILE *fp)
1457 {
1458    print_state state = {
1459       .fp = fp,
1460    };
1461    print_instr(instr, &state, 0);
1462
1463 }
1464
1465 void
1466 nir_print_deref(const nir_deref_instr *deref, FILE *fp)
1467 {
1468    print_state state = {
1469       .fp = fp,
1470    };
1471    print_deref_link(deref, true, &state);
1472 }