intel/intel_decode.c

   1 /*
   2  * Copyright © 2009-2011 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
  24 #include <assert.h>
  25 #include <stdint.h>
  26 #include <stdlib.h>
  27 #include <stdio.h>
  28 #include <stdbool.h>
  29 #include <stdarg.h>
  30 #include <string.h>
  31
  32 #include "intel_chipset.h"
  33 #include "intel_bufmgr.h"
  34
  35 /* Struct for tracking drm_intel_decode state. */
  36 struct drm_intel_decode {
  37         /** stdio file where the output should land.  Defaults to stdout. */
  38         FILE *out;
  39
  40         /** PCI device ID. */
  41         uint32_t devid;
  42
  43         /**
  44          * Shorthand device identifier: 3 is 915, 4 is 965, 5 is
  45          * Ironlake, etc.
  46          */
  47         int gen;
  48
  49         /** GPU address of the start of the current packet. */
  50         uint32_t hw_offset;
  51         /** CPU virtual address of the start of the current packet. */
  52         uint32_t *data;
  53         /** DWORDs of remaining batchbuffer data starting from the packet. */
  54         uint32_t count;
  55
  56         /** GPU address of the start of the batchbuffer data. */
  57         uint32_t base_hw_offset;
  58         /** CPU Virtual address of the start of the batchbuffer data. */
  59         uint32_t *base_data;
  60         /** Number of DWORDs of batchbuffer data. */
  61         uint32_t base_count;
  62
  63         /** @{
  64          * GPU head and tail pointers, which will be noted in the dump, or ~0.
  65          */
  66         uint32_t head, tail;
  67         /** @} */
  68
  69         /**
  70          * Whether to dump the dwords after MI_BATCHBUFFER_END.
  71          *
  72          * This sometimes provides clues in corrupted batchbuffers,
  73          * and is used by the intel-gpu-tools.
  74          */
  75         bool dump_past_end;
  76
  77         bool overflowed;
  78 };
  79
  80 static FILE *out;
  81 static uint32_t saved_s2 = 0, saved_s4 = 0;
  82 static char saved_s2_set = 0, saved_s4_set = 0;
  83 static uint32_t head_offset = 0xffffffff;       /* undefined */
  84 static uint32_t tail_offset = 0xffffffff;       /* undefined */
  85
  86 #ifndef ARRAY_SIZE
  87 #define ARRAY_SIZE(A) (sizeof(A)/sizeof(A[0]))
  88 #endif
  89
  90 #define BUFFER_FAIL(_count, _len, _name) do {                   \
  91     fprintf(out, "Buffer size too small in %s (%d < %d)\n",     \
  92             (_name), (_count), (_len));                         \
  93     return _count;                                              \
  94 } while (0)
  95
  96 static float int_as_float(uint32_t intval)
  97 {
  98         union intfloat {
  99                 uint32_t i;
 100                 float f;
 101         } uval;
 102
 103         uval.i = intval;
 104         return uval.f;
 105 }
 106
 107 static void
 108 instr_out(struct drm_intel_decode *ctx, unsigned int index,
 109           const char *fmt, ...) __attribute__((format(__printf__, 3, 4)));
 110
 111 static void
 112 instr_out(struct drm_intel_decode *ctx, unsigned int index,
 113           const char *fmt, ...)
 114 {
 115         va_list va;
 116         const char *parseinfo;
 117         uint32_t offset = ctx->hw_offset + index * 4;
 118
 119         if (index > ctx->count) {
 120                 if (!ctx->overflowed) {
 121                         fprintf(out, "ERROR: Decode attempted to continue beyond end of batchbuffer\n");
 122                         ctx->overflowed = true;
 123                 }
 124                 return;
 125         }
 126
 127         if (offset == head_offset)
 128                 parseinfo = "HEAD";
 129         else if (offset == tail_offset)
 130                 parseinfo = "TAIL";
 131         else
 132                 parseinfo = "    ";
 133
 134         fprintf(out, "0x%08x: %s 0x%08x: %s", offset, parseinfo,
 135                 ctx->data[index], index == 0 ? "" : "   ");
 136         va_start(va, fmt);
 137         vfprintf(out, fmt, va);
 138         va_end(va);
 139 }
 140
 141 static int
 142 decode_MI_SET_CONTEXT(struct drm_intel_decode *ctx)
 143 {
 144         uint32_t data = ctx->data[1];
 145         if (ctx->gen > 7)
 146                 return 1;
 147
 148         instr_out(ctx, 0, "MI_SET_CONTEXT\n");
 149         instr_out(ctx, 1, "gtt offset = 0x%x%s%s\n",
 150                   data & ~0xfff,
 151                   data & (1<<1)? ", Force Restore": "",
 152                   data & (1<<0)? ", Restore Inhibit": "");
 153
 154         return 2;
 155 }
 156
 157 static int
 158 decode_MI_WAIT_FOR_EVENT(struct drm_intel_decode *ctx)
 159 {
 160         const char *cc_wait;
 161         int cc_shift = 0;
 162         uint32_t data = ctx->data[0];
 163
 164         if (ctx->gen <= 5)
 165                 cc_shift = 9;
 166         else
 167                 cc_shift = 16;
 168
 169         switch ((data >> cc_shift) & 0x1f) {
 170         case 1:
 171                 cc_wait = ", cc wait 1";
 172                 break;
 173         case 2:
 174                 cc_wait = ", cc wait 2";
 175                 break;
 176         case 3:
 177                 cc_wait = ", cc wait 3";
 178                 break;
 179         case 4:
 180                 cc_wait = ", cc wait 4";
 181                 break;
 182         case 5:
 183                 cc_wait = ", cc wait 4";
 184                 break;
 185         default:
 186                 cc_wait = "";
 187                 break;
 188         }
 189
 190         if (ctx->gen <= 5) {
 191                 instr_out(ctx, 0, "MI_WAIT_FOR_EVENT%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
 192                           data & (1<<18)? ", pipe B start vblank wait": "",
 193                           data & (1<<17)? ", pipe A start vblank wait": "",
 194                           data & (1<<16)? ", overlay flip pending wait": "",
 195                           data & (1<<14)? ", pipe B hblank wait": "",
 196                           data & (1<<13)? ", pipe A hblank wait": "",
 197                           cc_wait,
 198                           data & (1<<8)? ", plane C pending flip wait": "",
 199                           data & (1<<7)? ", pipe B vblank wait": "",
 200                           data & (1<<6)? ", plane B pending flip wait": "",
 201                           data & (1<<5)? ", pipe B scan line wait": "",
 202                           data & (1<<4)? ", fbc idle wait": "",
 203                           data & (1<<3)? ", pipe A vblank wait": "",
 204                           data & (1<<2)? ", plane A pending flip wait": "",
 205                           data & (1<<1)? ", plane A scan line wait": "");
 206         } else {
 207                 instr_out(ctx, 0, "MI_WAIT_FOR_EVENT%s%s%s%s%s%s%s%s%s%s%s%s\n",
 208                           data & (1<<20)? ", sprite C pending flip wait": "", /* ivb */
 209                           cc_wait,
 210                           data & (1<<13)? ", pipe B hblank wait": "",
 211                           data & (1<<11)? ", pipe B vblank wait": "",
 212                           data & (1<<10)? ", sprite B pending flip wait": "",
 213                           data & (1<<9)? ", plane B pending flip wait": "",
 214                           data & (1<<8)? ", plane B scan line wait": "",
 215                           data & (1<<5)? ", pipe A hblank wait": "",
 216                           data & (1<<3)? ", pipe A vblank wait": "",
 217                           data & (1<<2)? ", sprite A pending flip wait": "",
 218                           data & (1<<1)? ", plane A pending flip wait": "",
 219                           data & (1<<0)? ", plane A scan line wait": "");
 220         }
 221
 222         return 1;
 223 }
 224
 225 static int
 226 decode_mi(struct drm_intel_decode *ctx)
 227 {
 228         unsigned int opcode, len = -1;
 229         const char *post_sync_op = "";
 230         uint32_t *data = ctx->data;
 231
 232         struct {
 233                 uint32_t opcode;
 234                 int len_mask;
 235                 unsigned int min_len;
 236                 unsigned int max_len;
 237                 const char *name;
 238                 int (*func)(struct drm_intel_decode *ctx);
 239         } opcodes_mi[] = {
 240                 { 0x08, 0, 1, 1, "MI_ARB_ON_OFF" },
 241                 { 0x0a, 0, 1, 1, "MI_BATCH_BUFFER_END" },
 242                 { 0x30, 0x3f, 3, 3, "MI_BATCH_BUFFER" },
 243                 { 0x31, 0x3f, 2, 2, "MI_BATCH_BUFFER_START" },
 244                 { 0x14, 0x3f, 3, 3, "MI_DISPLAY_BUFFER_INFO" },
 245                 { 0x04, 0, 1, 1, "MI_FLUSH" },
 246                 { 0x22, 0x1f, 3, 3, "MI_LOAD_REGISTER_IMM" },
 247                 { 0x13, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" },
 248                 { 0x12, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_INCL" },
 249                 { 0x00, 0, 1, 1, "MI_NOOP" },
 250                 { 0x11, 0x3f, 2, 2, "MI_OVERLAY_FLIP" },
 251                 { 0x07, 0, 1, 1, "MI_REPORT_HEAD" },
 252                 { 0x18, 0x3f, 2, 2, "MI_SET_CONTEXT", decode_MI_SET_CONTEXT },
 253                 { 0x20, 0x3f, 3, 4, "MI_STORE_DATA_IMM" },
 254                 { 0x21, 0x3f, 3, 4, "MI_STORE_DATA_INDEX" },
 255                 { 0x24, 0x3f, 3, 3, "MI_STORE_REGISTER_MEM" },
 256                 { 0x02, 0, 1, 1, "MI_USER_INTERRUPT" },
 257                 { 0x03, 0, 1, 1, "MI_WAIT_FOR_EVENT", decode_MI_WAIT_FOR_EVENT },
 258                 { 0x16, 0x7f, 3, 3, "MI_SEMAPHORE_MBOX" },
 259                 { 0x26, 0x1f, 3, 4, "MI_FLUSH_DW" },
 260                 { 0x28, 0x3f, 3, 3, "MI_REPORT_PERF_COUNT" },
 261                 { 0x0b, 0, 1, 1, "MI_SUSPEND_FLUSH"},
 262         }, *opcode_mi = NULL;
 263
 264         /* check instruction length */
 265         for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 266              opcode++) {
 267                 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 268                         len = 1;
 269                         if (opcodes_mi[opcode].max_len > 1) {
 270                                 len =
 271                                     (data[0] & opcodes_mi[opcode].len_mask) + 2;
 272                                 if (len < opcodes_mi[opcode].min_len
 273                                     || len > opcodes_mi[opcode].max_len) {
 274                                         fprintf(out,
 275                                                 "Bad length (%d) in %s, [%d, %d]\n",
 276                                                 len, opcodes_mi[opcode].name,
 277                                                 opcodes_mi[opcode].min_len,
 278                                                 opcodes_mi[opcode].max_len);
 279                                 }
 280                         }
 281                         opcode_mi = &opcodes_mi[opcode];
 282                         break;
 283                 }
 284         }
 285
 286         if (opcode_mi && opcode_mi->func)
 287                 return opcode_mi->func(ctx);
 288
 289         switch ((data[0] & 0x1f800000) >> 23) {
 290         case 0x0a:
 291                 instr_out(ctx, 0, "MI_BATCH_BUFFER_END\n");
 292                 return -1;
 293         case 0x16:
 294                 instr_out(ctx, 0, "MI_SEMAPHORE_MBOX%s%s%s%s %u\n",
 295                           data[0] & (1 << 22) ? " global gtt," : "",
 296                           data[0] & (1 << 21) ? " update semaphore," : "",
 297                           data[0] & (1 << 20) ? " compare semaphore," : "",
 298                           data[0] & (1 << 18) ? " use compare reg" : "",
 299                           (data[0] & (0x3 << 16)) >> 16);
 300                 instr_out(ctx, 1, "value\n");
 301                 instr_out(ctx, 2, "address\n");
 302                 return len;
 303         case 0x21:
 304                 instr_out(ctx, 0, "MI_STORE_DATA_INDEX%s\n",
 305                           data[0] & (1 << 21) ? " use per-process HWS," : "");
 306                 instr_out(ctx, 1, "index\n");
 307                 instr_out(ctx, 2, "dword\n");
 308                 if (len == 4)
 309                         instr_out(ctx, 3, "upper dword\n");
 310                 return len;
 311         case 0x00:
 312                 if (data[0] & (1 << 22))
 313                         instr_out(ctx, 0,
 314                                   "MI_NOOP write NOPID reg, val=0x%x\n",
 315                                   data[0] & ((1 << 22) - 1));
 316                 else
 317                         instr_out(ctx, 0, "MI_NOOP\n");
 318                 return len;
 319         case 0x26:
 320                 switch (data[0] & (0x3 << 14)) {
 321                 case (0 << 14):
 322                         post_sync_op = "no write";
 323                         break;
 324                 case (1 << 14):
 325                         post_sync_op = "write data";
 326                         break;
 327                 case (2 << 14):
 328                         post_sync_op = "reserved";
 329                         break;
 330                 case (3 << 14):
 331                         post_sync_op = "write TIMESTAMP";
 332                         break;
 333                 }
 334                 instr_out(ctx, 0,
 335                           "MI_FLUSH_DW%s%s%s%s post_sync_op='%s' %s%s\n",
 336                           data[0] & (1 << 22) ?
 337                           " enable protected mem (BCS-only)," : "",
 338                           data[0] & (1 << 21) ? " store in hws," : "",
 339                           data[0] & (1 << 18) ? " invalidate tlb," : "",
 340                           data[0] & (1 << 17) ? " flush gfdt," : "",
 341                           post_sync_op,
 342                           data[0] & (1 << 8) ? " enable notify interrupt," : "",
 343                           data[0] & (1 << 7) ?
 344                           " invalidate video state (BCS-only)," : "");
 345                 if (data[0] & (1 << 21))
 346                         instr_out(ctx, 1, "hws index\n");
 347                 else
 348                         instr_out(ctx, 1, "address\n");
 349                 instr_out(ctx, 2, "dword\n");
 350                 if (len == 4)
 351                         instr_out(ctx, 3, "upper dword\n");
 352                 return len;
 353         }
 354
 355         for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 356              opcode++) {
 357                 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 358                         unsigned int i;
 359
 360                         instr_out(ctx, 0, "%s\n",
 361                                   opcodes_mi[opcode].name);
 362                         for (i = 1; i < len; i++) {
 363                                 instr_out(ctx, i, "dword %d\n", i);
 364                         }
 365
 366                         return len;
 367                 }
 368         }
 369
 370         instr_out(ctx, 0, "MI UNKNOWN\n");
 371         return 1;
 372 }
 373
 374 static void
 375 decode_2d_br00(struct drm_intel_decode *ctx, const char *cmd)
 376 {
 377         instr_out(ctx, 0,
 378                   "%s (rgb %sabled, alpha %sabled, src tile %d, dst tile %d)\n",
 379                   cmd,
 380                   (ctx->data[0] & (1 << 20)) ? "en" : "dis",
 381                   (ctx->data[0] & (1 << 21)) ? "en" : "dis",
 382                   (ctx->data[0] >> 15) & 1,
 383                   (ctx->data[0] >> 11) & 1);
 384 }
 385
 386 static void
 387 decode_2d_br01(struct drm_intel_decode *ctx)
 388 {
 389         const char *format;
 390         switch ((ctx->data[1] >> 24) & 0x3) {
 391         case 0:
 392                 format = "8";
 393                 break;
 394         case 1:
 395                 format = "565";
 396                 break;
 397         case 2:
 398                 format = "1555";
 399                 break;
 400         case 3:
 401                 format = "8888";
 402                 break;
 403         }
 404
 405         instr_out(ctx, 1,
 406                   "format %s, pitch %d, rop 0x%02x, "
 407                   "clipping %sabled, %s%s \n",
 408                   format,
 409                   (short)(ctx->data[1] & 0xffff),
 410                   (ctx->data[1] >> 16) & 0xff,
 411                   ctx->data[1] & (1 << 30) ? "en" : "dis",
 412                   ctx->data[1] & (1 << 31) ? "solid pattern enabled, " : "",
 413                   ctx->data[1] & (1 << 31) ?
 414                   "mono pattern transparency enabled, " : "");
 415
 416 }
 417
 418 static int
 419 decode_2d(struct drm_intel_decode *ctx)
 420 {
 421         unsigned int opcode, len;
 422         uint32_t *data = ctx->data;
 423
 424         struct {
 425                 uint32_t opcode;
 426                 unsigned int min_len;
 427                 unsigned int max_len;
 428                 const char *name;
 429         } opcodes_2d[] = {
 430                 { 0x40, 5, 5, "COLOR_BLT" },
 431                 { 0x43, 6, 6, "SRC_COPY_BLT" },
 432                 { 0x01, 8, 8, "XY_SETUP_BLT" },
 433                 { 0x11, 9, 9, "XY_SETUP_MONO_PATTERN_SL_BLT" },
 434                 { 0x03, 3, 3, "XY_SETUP_CLIP_BLT" },
 435                 { 0x24, 2, 2, "XY_PIXEL_BLT" },
 436                 { 0x25, 3, 3, "XY_SCANLINES_BLT" },
 437                 { 0x26, 4, 4, "Y_TEXT_BLT" },
 438                 { 0x31, 5, 134, "XY_TEXT_IMMEDIATE_BLT" },
 439                 { 0x50, 6, 6, "XY_COLOR_BLT" },
 440                 { 0x51, 6, 6, "XY_PAT_BLT" },
 441                 { 0x76, 8, 8, "XY_PAT_CHROMA_BLT" },
 442                 { 0x72, 7, 135, "XY_PAT_BLT_IMMEDIATE" },
 443                 { 0x77, 9, 137, "XY_PAT_CHROMA_BLT_IMMEDIATE" },
 444                 { 0x52, 9, 9, "XY_MONO_PAT_BLT" },
 445                 { 0x59, 7, 7, "XY_MONO_PAT_FIXED_BLT" },
 446                 { 0x53, 8, 8, "XY_SRC_COPY_BLT" },
 447                 { 0x54, 8, 8, "XY_MONO_SRC_COPY_BLT" },
 448                 { 0x71, 9, 137, "XY_MONO_SRC_COPY_IMMEDIATE_BLT" },
 449                 { 0x55, 9, 9, "XY_FULL_BLT" },
 450                 { 0x55, 9, 137, "XY_FULL_IMMEDIATE_PATTERN_BLT" },
 451                 { 0x56, 9, 9, "XY_FULL_MONO_SRC_BLT" },
 452                 { 0x75, 10, 138, "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT" },
 453                 { 0x57, 12, 12, "XY_FULL_MONO_PATTERN_BLT" },
 454                 { 0x58, 12, 12, "XY_FULL_MONO_PATTERN_MONO_SRC_BLT"},
 455         };
 456
 457         switch ((data[0] & 0x1fc00000) >> 22) {
 458         case 0x25:
 459                 instr_out(ctx, 0,
 460                           "XY_SCANLINES_BLT (pattern seed (%d, %d), dst tile %d)\n",
 461                           (data[0] >> 12) & 0x8,
 462                           (data[0] >> 8) & 0x8, (data[0] >> 11) & 1);
 463
 464                 len = (data[0] & 0x000000ff) + 2;
 465                 if (len != 3)
 466                         fprintf(out, "Bad count in XY_SCANLINES_BLT\n");
 467
 468                 instr_out(ctx, 1, "dest (%d,%d)\n",
 469                           data[1] & 0xffff, data[1] >> 16);
 470                 instr_out(ctx, 2, "dest (%d,%d)\n",
 471                           data[2] & 0xffff, data[2] >> 16);
 472                 return len;
 473         case 0x01:
 474                 decode_2d_br00(ctx, "XY_SETUP_BLT");
 475
 476                 len = (data[0] & 0x000000ff) + 2;
 477                 if (len != 8)
 478                         fprintf(out, "Bad count in XY_SETUP_BLT\n");
 479
 480                 decode_2d_br01(ctx);
 481                 instr_out(ctx, 2, "cliprect (%d,%d)\n",
 482                           data[2] & 0xffff, data[2] >> 16);
 483                 instr_out(ctx, 3, "cliprect (%d,%d)\n",
 484                           data[3] & 0xffff, data[3] >> 16);
 485                 instr_out(ctx, 4, "setup dst offset 0x%08x\n",
 486                           data[4]);
 487                 instr_out(ctx, 5, "setup background color\n");
 488                 instr_out(ctx, 6, "setup foreground color\n");
 489                 instr_out(ctx, 7, "color pattern offset\n");
 490                 return len;
 491         case 0x03:
 492                 decode_2d_br00(ctx, "XY_SETUP_CLIP_BLT");
 493
 494                 len = (data[0] & 0x000000ff) + 2;
 495                 if (len != 3)
 496                         fprintf(out, "Bad count in XY_SETUP_CLIP_BLT\n");
 497
 498                 instr_out(ctx, 1, "cliprect (%d,%d)\n",
 499                           data[1] & 0xffff, data[2] >> 16);
 500                 instr_out(ctx, 2, "cliprect (%d,%d)\n",
 501                           data[2] & 0xffff, data[3] >> 16);
 502                 return len;
 503         case 0x11:
 504                 decode_2d_br00(ctx, "XY_SETUP_MONO_PATTERN_SL_BLT");
 505
 506                 len = (data[0] & 0x000000ff) + 2;
 507                 if (len != 9)
 508                         fprintf(out,
 509                                 "Bad count in XY_SETUP_MONO_PATTERN_SL_BLT\n");
 510
 511                 decode_2d_br01(ctx);
 512                 instr_out(ctx, 2, "cliprect (%d,%d)\n",
 513                           data[2] & 0xffff, data[2] >> 16);
 514                 instr_out(ctx, 3, "cliprect (%d,%d)\n",
 515                           data[3] & 0xffff, data[3] >> 16);
 516                 instr_out(ctx, 4, "setup dst offset 0x%08x\n",
 517                           data[4]);
 518                 instr_out(ctx, 5, "setup background color\n");
 519                 instr_out(ctx, 6, "setup foreground color\n");
 520                 instr_out(ctx, 7, "mono pattern dw0\n");
 521                 instr_out(ctx, 8, "mono pattern dw1\n");
 522                 return len;
 523         case 0x50:
 524                 decode_2d_br00(ctx, "XY_COLOR_BLT");
 525
 526                 len = (data[0] & 0x000000ff) + 2;
 527                 if (len != 6)
 528                         fprintf(out, "Bad count in XY_COLOR_BLT\n");
 529
 530                 decode_2d_br01(ctx);
 531                 instr_out(ctx, 2, "(%d,%d)\n",
 532                           data[2] & 0xffff, data[2] >> 16);
 533                 instr_out(ctx, 3, "(%d,%d)\n",
 534                           data[3] & 0xffff, data[3] >> 16);
 535                 instr_out(ctx, 4, "offset 0x%08x\n", data[4]);
 536                 instr_out(ctx, 5, "color\n");
 537                 return len;
 538         case 0x53:
 539                 decode_2d_br00(ctx, "XY_SRC_COPY_BLT");
 540
 541                 len = (data[0] & 0x000000ff) + 2;
 542                 if (len != 8)
 543                         fprintf(out, "Bad count in XY_SRC_COPY_BLT\n");
 544
 545                 decode_2d_br01(ctx);
 546                 instr_out(ctx, 2, "dst (%d,%d)\n",
 547                           data[2] & 0xffff, data[2] >> 16);
 548                 instr_out(ctx, 3, "dst (%d,%d)\n",
 549                           data[3] & 0xffff, data[3] >> 16);
 550                 instr_out(ctx, 4, "dst offset 0x%08x\n", data[4]);
 551                 instr_out(ctx, 5, "src (%d,%d)\n",
 552                           data[5] & 0xffff, data[5] >> 16);
 553                 instr_out(ctx, 6, "src pitch %d\n",
 554                           (short)(data[6] & 0xffff));
 555                 instr_out(ctx, 7, "src offset 0x%08x\n", data[7]);
 556                 return len;
 557         }
 558
 559         for (opcode = 0; opcode < sizeof(opcodes_2d) / sizeof(opcodes_2d[0]);
 560              opcode++) {
 561                 if ((data[0] & 0x1fc00000) >> 22 == opcodes_2d[opcode].opcode) {
 562                         unsigned int i;
 563
 564                         len = 1;
 565                         instr_out(ctx, 0, "%s\n",
 566                                   opcodes_2d[opcode].name);
 567                         if (opcodes_2d[opcode].max_len > 1) {
 568                                 len = (data[0] & 0x000000ff) + 2;
 569                                 if (len < opcodes_2d[opcode].min_len ||
 570                                     len > opcodes_2d[opcode].max_len) {
 571                                         fprintf(out, "Bad count in %s\n",
 572                                                 opcodes_2d[opcode].name);
 573                                 }
 574                         }
 575
 576                         for (i = 1; i < len; i++) {
 577                                 instr_out(ctx, i, "dword %d\n", i);
 578                         }
 579
 580                         return len;
 581                 }
 582         }
 583
 584         instr_out(ctx, 0, "2D UNKNOWN\n");
 585         return 1;
 586 }
 587
 588 static int
 589 decode_3d_1c(struct drm_intel_decode *ctx)
 590 {
 591         uint32_t *data = ctx->data;
 592         uint32_t opcode;
 593
 594         opcode = (data[0] & 0x00f80000) >> 19;
 595
 596         switch (opcode) {
 597         case 0x11:
 598                 instr_out(ctx, 0,
 599                           "3DSTATE_DEPTH_SUBRECTANGLE_DISABLE\n");
 600                 return 1;
 601         case 0x10:
 602                 instr_out(ctx, 0, "3DSTATE_SCISSOR_ENABLE %s\n",
 603                           data[0] & 1 ? "enabled" : "disabled");
 604                 return 1;
 605         case 0x01:
 606                 instr_out(ctx, 0, "3DSTATE_MAP_COORD_SET_I830\n");
 607                 return 1;
 608         case 0x0a:
 609                 instr_out(ctx, 0, "3DSTATE_MAP_CUBE_I830\n");
 610                 return 1;
 611         case 0x05:
 612                 instr_out(ctx, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
 613                 return 1;
 614         }
 615
 616         instr_out(ctx, 0, "3D UNKNOWN: 3d_1c opcode = 0x%x\n",
 617                   opcode);
 618         return 1;
 619 }
 620
 621 /** Sets the string dstname to describe the destination of the PS instruction */
 622 static void
 623 i915_get_instruction_dst(uint32_t *data, int i, char *dstname, int do_mask)
 624 {
 625         uint32_t a0 = data[i];
 626         int dst_nr = (a0 >> 14) & 0xf;
 627         char dstmask[8];
 628         const char *sat;
 629
 630         if (do_mask) {
 631                 if (((a0 >> 10) & 0xf) == 0xf) {
 632                         dstmask[0] = 0;
 633                 } else {
 634                         int dstmask_index = 0;
 635
 636                         dstmask[dstmask_index++] = '.';
 637                         if (a0 & (1 << 10))
 638                                 dstmask[dstmask_index++] = 'x';
 639                         if (a0 & (1 << 11))
 640                                 dstmask[dstmask_index++] = 'y';
 641                         if (a0 & (1 << 12))
 642                                 dstmask[dstmask_index++] = 'z';
 643                         if (a0 & (1 << 13))
 644                                 dstmask[dstmask_index++] = 'w';
 645                         dstmask[dstmask_index++] = 0;
 646                 }
 647
 648                 if (a0 & (1 << 22))
 649                         sat = ".sat";
 650                 else
 651                         sat = "";
 652         } else {
 653                 dstmask[0] = 0;
 654                 sat = "";
 655         }
 656
 657         switch ((a0 >> 19) & 0x7) {
 658         case 0:
 659                 if (dst_nr > 15)
 660                         fprintf(out, "bad destination reg R%d\n", dst_nr);
 661                 sprintf(dstname, "R%d%s%s", dst_nr, dstmask, sat);
 662                 break;
 663         case 4:
 664                 if (dst_nr > 0)
 665                         fprintf(out, "bad destination reg oC%d\n", dst_nr);
 666                 sprintf(dstname, "oC%s%s", dstmask, sat);
 667                 break;
 668         case 5:
 669                 if (dst_nr > 0)
 670                         fprintf(out, "bad destination reg oD%d\n", dst_nr);
 671                 sprintf(dstname, "oD%s%s", dstmask, sat);
 672                 break;
 673         case 6:
 674                 if (dst_nr > 3)
 675                         fprintf(out, "bad destination reg U%d\n", dst_nr);
 676                 sprintf(dstname, "U%d%s%s", dst_nr, dstmask, sat);
 677                 break;
 678         default:
 679                 sprintf(dstname, "RESERVED");
 680                 break;
 681         }
 682 }
 683
 684 static const char *
 685 i915_get_channel_swizzle(uint32_t select)
 686 {
 687         switch (select & 0x7) {
 688         case 0:
 689                 return (select & 8) ? "-x" : "x";
 690         case 1:
 691                 return (select & 8) ? "-y" : "y";
 692         case 2:
 693                 return (select & 8) ? "-z" : "z";
 694         case 3:
 695                 return (select & 8) ? "-w" : "w";
 696         case 4:
 697                 return (select & 8) ? "-0" : "0";
 698         case 5:
 699                 return (select & 8) ? "-1" : "1";
 700         default:
 701                 return (select & 8) ? "-bad" : "bad";
 702         }
 703 }
 704
 705 static void
 706 i915_get_instruction_src_name(uint32_t src_type, uint32_t src_nr, char *name)
 707 {
 708         switch (src_type) {
 709         case 0:
 710                 sprintf(name, "R%d", src_nr);
 711                 if (src_nr > 15)
 712                         fprintf(out, "bad src reg %s\n", name);
 713                 break;
 714         case 1:
 715                 if (src_nr < 8)
 716                         sprintf(name, "T%d", src_nr);
 717                 else if (src_nr == 8)
 718                         sprintf(name, "DIFFUSE");
 719                 else if (src_nr == 9)
 720                         sprintf(name, "SPECULAR");
 721                 else if (src_nr == 10)
 722                         sprintf(name, "FOG");
 723                 else {
 724                         fprintf(out, "bad src reg T%d\n", src_nr);
 725                         sprintf(name, "RESERVED");
 726                 }
 727                 break;
 728         case 2:
 729                 sprintf(name, "C%d", src_nr);
 730                 if (src_nr > 31)
 731                         fprintf(out, "bad src reg %s\n", name);
 732                 break;
 733         case 4:
 734                 sprintf(name, "oC");
 735                 if (src_nr > 0)
 736                         fprintf(out, "bad src reg oC%d\n", src_nr);
 737                 break;
 738         case 5:
 739                 sprintf(name, "oD");
 740                 if (src_nr > 0)
 741                         fprintf(out, "bad src reg oD%d\n", src_nr);
 742                 break;
 743         case 6:
 744                 sprintf(name, "U%d", src_nr);
 745                 if (src_nr > 3)
 746                         fprintf(out, "bad src reg %s\n", name);
 747                 break;
 748         default:
 749                 fprintf(out, "bad src reg type %d\n", src_type);
 750                 sprintf(name, "RESERVED");
 751                 break;
 752         }
 753 }
 754
 755 static void i915_get_instruction_src0(uint32_t *data, int i, char *srcname)
 756 {
 757         uint32_t a0 = data[i];
 758         uint32_t a1 = data[i + 1];
 759         int src_nr = (a0 >> 2) & 0x1f;
 760         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 28) & 0xf);
 761         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 24) & 0xf);
 762         const char *swizzle_z = i915_get_channel_swizzle((a1 >> 20) & 0xf);
 763         const char *swizzle_w = i915_get_channel_swizzle((a1 >> 16) & 0xf);
 764         char swizzle[100];
 765
 766         i915_get_instruction_src_name((a0 >> 7) & 0x7, src_nr, srcname);
 767         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 768                 swizzle_w);
 769         if (strcmp(swizzle, ".xyzw") != 0)
 770                 strcat(srcname, swizzle);
 771 }
 772
 773 static void i915_get_instruction_src1(uint32_t *data, int i, char *srcname)
 774 {
 775         uint32_t a1 = data[i + 1];
 776         uint32_t a2 = data[i + 2];
 777         int src_nr = (a1 >> 8) & 0x1f;
 778         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 4) & 0xf);
 779         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 0) & 0xf);
 780         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 28) & 0xf);
 781         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 24) & 0xf);
 782         char swizzle[100];
 783
 784         i915_get_instruction_src_name((a1 >> 13) & 0x7, src_nr, srcname);
 785         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 786                 swizzle_w);
 787         if (strcmp(swizzle, ".xyzw") != 0)
 788                 strcat(srcname, swizzle);
 789 }
 790
 791 static void i915_get_instruction_src2(uint32_t *data, int i, char *srcname)
 792 {
 793         uint32_t a2 = data[i + 2];
 794         int src_nr = (a2 >> 16) & 0x1f;
 795         const char *swizzle_x = i915_get_channel_swizzle((a2 >> 12) & 0xf);
 796         const char *swizzle_y = i915_get_channel_swizzle((a2 >> 8) & 0xf);
 797         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 4) & 0xf);
 798         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 0) & 0xf);
 799         char swizzle[100];
 800
 801         i915_get_instruction_src_name((a2 >> 21) & 0x7, src_nr, srcname);
 802         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 803                 swizzle_w);
 804         if (strcmp(swizzle, ".xyzw") != 0)
 805                 strcat(srcname, swizzle);
 806 }
 807
 808 static void
 809 i915_get_instruction_addr(uint32_t src_type, uint32_t src_nr, char *name)
 810 {
 811         switch (src_type) {
 812         case 0:
 813                 sprintf(name, "R%d", src_nr);
 814                 if (src_nr > 15)
 815                         fprintf(out, "bad src reg %s\n", name);
 816                 break;
 817         case 1:
 818                 if (src_nr < 8)
 819                         sprintf(name, "T%d", src_nr);
 820                 else if (src_nr == 8)
 821                         sprintf(name, "DIFFUSE");
 822                 else if (src_nr == 9)
 823                         sprintf(name, "SPECULAR");
 824                 else if (src_nr == 10)
 825                         sprintf(name, "FOG");
 826                 else {
 827                         fprintf(out, "bad src reg T%d\n", src_nr);
 828                         sprintf(name, "RESERVED");
 829                 }
 830                 break;
 831         case 4:
 832                 sprintf(name, "oC");
 833                 if (src_nr > 0)
 834                         fprintf(out, "bad src reg oC%d\n", src_nr);
 835                 break;
 836         case 5:
 837                 sprintf(name, "oD");
 838                 if (src_nr > 0)
 839                         fprintf(out, "bad src reg oD%d\n", src_nr);
 840                 break;
 841         default:
 842                 fprintf(out, "bad src reg type %d\n", src_type);
 843                 sprintf(name, "RESERVED");
 844                 break;
 845         }
 846 }
 847
 848 static void
 849 i915_decode_alu1(struct drm_intel_decode *ctx,
 850                  int i, char *instr_prefix, const char *op_name)
 851 {
 852         char dst[100], src0[100];
 853
 854         i915_get_instruction_dst(ctx->data, i, dst, 1);
 855         i915_get_instruction_src0(ctx->data, i, src0);
 856
 857         instr_out(ctx, i++, "%s: %s %s, %s\n", instr_prefix,
 858                   op_name, dst, src0);
 859         instr_out(ctx, i++, "%s\n", instr_prefix);
 860         instr_out(ctx, i++, "%s\n", instr_prefix);
 861 }
 862
 863 static void
 864 i915_decode_alu2(struct drm_intel_decode *ctx,
 865                  int i, char *instr_prefix, const char *op_name)
 866 {
 867         char dst[100], src0[100], src1[100];
 868
 869         i915_get_instruction_dst(ctx->data, i, dst, 1);
 870         i915_get_instruction_src0(ctx->data, i, src0);
 871         i915_get_instruction_src1(ctx->data, i, src1);
 872
 873         instr_out(ctx, i++, "%s: %s %s, %s, %s\n", instr_prefix,
 874                   op_name, dst, src0, src1);
 875         instr_out(ctx, i++, "%s\n", instr_prefix);
 876         instr_out(ctx, i++, "%s\n", instr_prefix);
 877 }
 878
 879 static void
 880 i915_decode_alu3(struct drm_intel_decode *ctx,
 881                  int i, char *instr_prefix, const char *op_name)
 882 {
 883         char dst[100], src0[100], src1[100], src2[100];
 884
 885         i915_get_instruction_dst(ctx->data, i, dst, 1);
 886         i915_get_instruction_src0(ctx->data, i, src0);
 887         i915_get_instruction_src1(ctx->data, i, src1);
 888         i915_get_instruction_src2(ctx->data, i, src2);
 889
 890         instr_out(ctx, i++, "%s: %s %s, %s, %s, %s\n", instr_prefix,
 891                   op_name, dst, src0, src1, src2);
 892         instr_out(ctx, i++, "%s\n", instr_prefix);
 893         instr_out(ctx, i++, "%s\n", instr_prefix);
 894 }
 895
 896 static void
 897 i915_decode_tex(struct drm_intel_decode *ctx, int i,
 898                 const char *instr_prefix, const char *tex_name)
 899 {
 900         uint32_t t0 = ctx->data[i];
 901         uint32_t t1 = ctx->data[i + 1];
 902         char dst_name[100];
 903         char addr_name[100];
 904         int sampler_nr;
 905
 906         i915_get_instruction_dst(ctx->data, i, dst_name, 0);
 907         i915_get_instruction_addr((t1 >> 24) & 0x7,
 908                                   (t1 >> 17) & 0xf, addr_name);
 909         sampler_nr = t0 & 0xf;
 910
 911         instr_out(ctx, i++, "%s: %s %s, S%d, %s\n", instr_prefix,
 912                   tex_name, dst_name, sampler_nr, addr_name);
 913         instr_out(ctx, i++, "%s\n", instr_prefix);
 914         instr_out(ctx, i++, "%s\n", instr_prefix);
 915 }
 916
 917 static void
 918 i915_decode_dcl(struct drm_intel_decode *ctx, int i, char *instr_prefix)
 919 {
 920         uint32_t d0 = ctx->data[i];
 921         const char *sampletype;
 922         int dcl_nr = (d0 >> 14) & 0xf;
 923         const char *dcl_x = d0 & (1 << 10) ? "x" : "";
 924         const char *dcl_y = d0 & (1 << 11) ? "y" : "";
 925         const char *dcl_z = d0 & (1 << 12) ? "z" : "";
 926         const char *dcl_w = d0 & (1 << 13) ? "w" : "";
 927         char dcl_mask[10];
 928
 929         switch ((d0 >> 19) & 0x3) {
 930         case 1:
 931                 sprintf(dcl_mask, ".%s%s%s%s", dcl_x, dcl_y, dcl_z, dcl_w);
 932                 if (strcmp(dcl_mask, ".") == 0)
 933                         fprintf(out, "bad (empty) dcl mask\n");
 934
 935                 if (dcl_nr > 10)
 936                         fprintf(out, "bad T%d dcl register number\n", dcl_nr);
 937                 if (dcl_nr < 8) {
 938                         if (strcmp(dcl_mask, ".x") != 0 &&
 939                             strcmp(dcl_mask, ".xy") != 0 &&
 940                             strcmp(dcl_mask, ".xz") != 0 &&
 941                             strcmp(dcl_mask, ".w") != 0 &&
 942                             strcmp(dcl_mask, ".xyzw") != 0) {
 943                                 fprintf(out, "bad T%d.%s dcl mask\n", dcl_nr,
 944                                         dcl_mask);
 945                         }
 946                         instr_out(ctx, i++, "%s: DCL T%d%s\n",
 947                                   instr_prefix, dcl_nr, dcl_mask);
 948                 } else {
 949                         if (strcmp(dcl_mask, ".xz") == 0)
 950                                 fprintf(out, "errataed bad dcl mask %s\n",
 951                                         dcl_mask);
 952                         else if (strcmp(dcl_mask, ".xw") == 0)
 953                                 fprintf(out, "errataed bad dcl mask %s\n",
 954                                         dcl_mask);
 955                         else if (strcmp(dcl_mask, ".xzw") == 0)
 956                                 fprintf(out, "errataed bad dcl mask %s\n",
 957                                         dcl_mask);
 958
 959                         if (dcl_nr == 8) {
 960                                 instr_out(ctx, i++,
 961                                           "%s: DCL DIFFUSE%s\n", instr_prefix,
 962                                           dcl_mask);
 963                         } else if (dcl_nr == 9) {
 964                                 instr_out(ctx, i++,
 965                                           "%s: DCL SPECULAR%s\n", instr_prefix,
 966                                           dcl_mask);
 967                         } else if (dcl_nr == 10) {
 968                                 instr_out(ctx, i++,
 969                                           "%s: DCL FOG%s\n", instr_prefix,
 970                                           dcl_mask);
 971                         }
 972                 }
 973                 instr_out(ctx, i++, "%s\n", instr_prefix);
 974                 instr_out(ctx, i++, "%s\n", instr_prefix);
 975                 break;
 976         case 3:
 977                 switch ((d0 >> 22) & 0x3) {
 978                 case 0:
 979                         sampletype = "2D";
 980                         break;
 981                 case 1:
 982                         sampletype = "CUBE";
 983                         break;
 984                 case 2:
 985                         sampletype = "3D";
 986                         break;
 987                 default:
 988                         sampletype = "RESERVED";
 989                         break;
 990                 }
 991                 if (dcl_nr > 15)
 992                         fprintf(out, "bad S%d dcl register number\n", dcl_nr);
 993                 instr_out(ctx, i++, "%s: DCL S%d %s\n",
 994                           instr_prefix, dcl_nr, sampletype);
 995                 instr_out(ctx, i++, "%s\n", instr_prefix);
 996                 instr_out(ctx, i++, "%s\n", instr_prefix);
 997                 break;
 998         default:
 999                 instr_out(ctx, i++, "%s: DCL RESERVED%d\n",
1000                           instr_prefix, dcl_nr);
1001                 instr_out(ctx, i++, "%s\n", instr_prefix);
1002                 instr_out(ctx, i++, "%s\n", instr_prefix);
1003         }
1004 }
1005
1006 static void
1007 i915_decode_instruction(struct drm_intel_decode *ctx,
1008                         int i, char *instr_prefix)
1009 {
1010         switch ((ctx->data[i] >> 24) & 0x1f) {
1011         case 0x0:
1012                 instr_out(ctx, i++, "%s: NOP\n", instr_prefix);
1013                 instr_out(ctx, i++, "%s\n", instr_prefix);
1014                 instr_out(ctx, i++, "%s\n", instr_prefix);
1015                 break;
1016         case 0x01:
1017                 i915_decode_alu2(ctx, i, instr_prefix, "ADD");
1018                 break;
1019         case 0x02:
1020                 i915_decode_alu1(ctx, i, instr_prefix, "MOV");
1021                 break;
1022         case 0x03:
1023                 i915_decode_alu2(ctx, i, instr_prefix, "MUL");
1024                 break;
1025         case 0x04:
1026                 i915_decode_alu3(ctx, i, instr_prefix, "MAD");
1027                 break;
1028         case 0x05:
1029                 i915_decode_alu3(ctx, i, instr_prefix, "DP2ADD");
1030                 break;
1031         case 0x06:
1032                 i915_decode_alu2(ctx, i, instr_prefix, "DP3");
1033                 break;
1034         case 0x07:
1035                 i915_decode_alu2(ctx, i, instr_prefix, "DP4");
1036                 break;
1037         case 0x08:
1038                 i915_decode_alu1(ctx, i, instr_prefix, "FRC");
1039                 break;
1040         case 0x09:
1041                 i915_decode_alu1(ctx, i, instr_prefix, "RCP");
1042                 break;
1043         case 0x0a:
1044                 i915_decode_alu1(ctx, i, instr_prefix, "RSQ");
1045                 break;
1046         case 0x0b:
1047                 i915_decode_alu1(ctx, i, instr_prefix, "EXP");
1048                 break;
1049         case 0x0c:
1050                 i915_decode_alu1(ctx, i, instr_prefix, "LOG");
1051                 break;
1052         case 0x0d:
1053                 i915_decode_alu2(ctx, i, instr_prefix, "CMP");
1054                 break;
1055         case 0x0e:
1056                 i915_decode_alu2(ctx, i, instr_prefix, "MIN");
1057                 break;
1058         case 0x0f:
1059                 i915_decode_alu2(ctx, i, instr_prefix, "MAX");
1060                 break;
1061         case 0x10:
1062                 i915_decode_alu1(ctx, i, instr_prefix, "FLR");
1063                 break;
1064         case 0x11:
1065                 i915_decode_alu1(ctx, i, instr_prefix, "MOD");
1066                 break;
1067         case 0x12:
1068                 i915_decode_alu1(ctx, i, instr_prefix, "TRC");
1069                 break;
1070         case 0x13:
1071                 i915_decode_alu2(ctx, i, instr_prefix, "SGE");
1072                 break;
1073         case 0x14:
1074                 i915_decode_alu2(ctx, i, instr_prefix, "SLT");
1075                 break;
1076         case 0x15:
1077                 i915_decode_tex(ctx, i, instr_prefix, "TEXLD");
1078                 break;
1079         case 0x16:
1080                 i915_decode_tex(ctx, i, instr_prefix, "TEXLDP");
1081                 break;
1082         case 0x17:
1083                 i915_decode_tex(ctx, i, instr_prefix, "TEXLDB");
1084                 break;
1085         case 0x19:
1086                 i915_decode_dcl(ctx, i, instr_prefix);
1087                 break;
1088         default:
1089                 instr_out(ctx, i++, "%s: unknown\n", instr_prefix);
1090                 instr_out(ctx, i++, "%s\n", instr_prefix);
1091                 instr_out(ctx, i++, "%s\n", instr_prefix);
1092                 break;
1093         }
1094 }
1095
1096 static const char *
1097 decode_compare_func(uint32_t op)
1098 {
1099         switch (op & 0x7) {
1100         case 0:
1101                 return "always";
1102         case 1:
1103                 return "never";
1104         case 2:
1105                 return "less";
1106         case 3:
1107                 return "equal";
1108         case 4:
1109                 return "lequal";
1110         case 5:
1111                 return "greater";
1112         case 6:
1113                 return "notequal";
1114         case 7:
1115                 return "gequal";
1116         }
1117         return "";
1118 }
1119
1120 static const char *
1121 decode_stencil_op(uint32_t op)
1122 {
1123         switch (op & 0x7) {
1124         case 0:
1125                 return "keep";
1126         case 1:
1127                 return "zero";
1128         case 2:
1129                 return "replace";
1130         case 3:
1131                 return "incr_sat";
1132         case 4:
1133                 return "decr_sat";
1134         case 5:
1135                 return "greater";
1136         case 6:
1137                 return "incr";
1138         case 7:
1139                 return "decr";
1140         }
1141         return "";
1142 }
1143
1144 #if 0
1145 static const char *
1146 decode_logic_op(uint32_t op)
1147 {
1148         switch (op & 0xf) {
1149         case 0:
1150                 return "clear";
1151         case 1:
1152                 return "nor";
1153         case 2:
1154                 return "and_inv";
1155         case 3:
1156                 return "copy_inv";
1157         case 4:
1158                 return "and_rvrse";
1159         case 5:
1160                 return "inv";
1161         case 6:
1162                 return "xor";
1163         case 7:
1164                 return "nand";
1165         case 8:
1166                 return "and";
1167         case 9:
1168                 return "equiv";
1169         case 10:
1170                 return "noop";
1171         case 11:
1172                 return "or_inv";
1173         case 12:
1174                 return "copy";
1175         case 13:
1176                 return "or_rvrse";
1177         case 14:
1178                 return "or";
1179         case 15:
1180                 return "set";
1181         }
1182         return "";
1183 }
1184 #endif
1185
1186 static const char *
1187 decode_blend_fact(uint32_t op)
1188 {
1189         switch (op & 0xf) {
1190         case 1:
1191                 return "zero";
1192         case 2:
1193                 return "one";
1194         case 3:
1195                 return "src_colr";
1196         case 4:
1197                 return "inv_src_colr";
1198         case 5:
1199                 return "src_alpha";
1200         case 6:
1201                 return "inv_src_alpha";
1202         case 7:
1203                 return "dst_alpha";
1204         case 8:
1205                 return "inv_dst_alpha";
1206         case 9:
1207                 return "dst_colr";
1208         case 10:
1209                 return "inv_dst_colr";
1210         case 11:
1211                 return "src_alpha_sat";
1212         case 12:
1213                 return "cnst_colr";
1214         case 13:
1215                 return "inv_cnst_colr";
1216         case 14:
1217                 return "cnst_alpha";
1218         case 15:
1219                 return "inv_const_alpha";
1220         }
1221         return "";
1222 }
1223
1224 static const char *
1225 decode_tex_coord_mode(uint32_t mode)
1226 {
1227         switch (mode & 0x7) {
1228         case 0:
1229                 return "wrap";
1230         case 1:
1231                 return "mirror";
1232         case 2:
1233                 return "clamp_edge";
1234         case 3:
1235                 return "cube";
1236         case 4:
1237                 return "clamp_border";
1238         case 5:
1239                 return "mirror_once";
1240         }
1241         return "";
1242 }
1243
1244 static const char *
1245 decode_sample_filter(uint32_t mode)
1246 {
1247         switch (mode & 0x7) {
1248         case 0:
1249                 return "nearest";
1250         case 1:
1251                 return "linear";
1252         case 2:
1253                 return "anisotropic";
1254         case 3:
1255                 return "4x4_1";
1256         case 4:
1257                 return "4x4_2";
1258         case 5:
1259                 return "4x4_flat";
1260         case 6:
1261                 return "6x5_mono";
1262         }
1263         return "";
1264 }
1265
1266 static int
1267 decode_3d_1d(struct drm_intel_decode *ctx)
1268 {
1269         unsigned int len, i, c, idx, word, map, sampler, instr;
1270         const char *format, *zformat, *type;
1271         uint32_t opcode;
1272         uint32_t *data = ctx->data;
1273         uint32_t devid = ctx->devid;
1274
1275         struct {
1276                 uint32_t opcode;
1277                 int i830_only;
1278                 unsigned int min_len;
1279                 unsigned int max_len;
1280                 const char *name;
1281         } opcodes_3d_1d[] = {
1282                 { 0x86, 0, 4, 4, "3DSTATE_CHROMA_KEY" },
1283                 { 0x88, 0, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
1284                 { 0x99, 0, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
1285                 { 0x9a, 0, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
1286                 { 0x98, 0, 2, 2, "3DSTATE_DEFAULT_Z" },
1287                 { 0x97, 0, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
1288                 { 0x9d, 0, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
1289                 { 0x9e, 0, 4, 4, "3DSTATE_MONO_FILTER" },
1290                 { 0x89, 0, 4, 4, "3DSTATE_FOG_MODE" },
1291                 { 0x8f, 0, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
1292                 { 0x83, 0, 2, 2, "3DSTATE_SPAN_STIPPLE" },
1293                 { 0x8c, 1, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM_I830" },
1294                 { 0x8b, 1, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM_I830" },
1295                 { 0x8d, 1, 3, 3, "3DSTATE_W_STATE_I830" },
1296                 { 0x01, 1, 2, 2, "3DSTATE_COLOR_FACTOR_I830" },
1297                 { 0x02, 1, 2, 2, "3DSTATE_MAP_COORD_SETBIND_I830"},
1298         }, *opcode_3d_1d;
1299
1300         opcode = (data[0] & 0x00ff0000) >> 16;
1301
1302         switch (opcode) {
1303         case 0x07:
1304                 /* This instruction is unusual.  A 0 length means just
1305                  * 1 DWORD instead of 2.  The 0 length is specified in
1306                  * one place to be unsupported, but stated to be
1307                  * required in another, and 0 length LOAD_INDIRECTs
1308                  * appear to cause no harm at least.
1309                  */
1310                 instr_out(ctx, 0, "3DSTATE_LOAD_INDIRECT\n");
1311                 len = (data[0] & 0x000000ff) + 1;
1312                 i = 1;
1313                 if (data[0] & (0x01 << 8)) {
1314                         instr_out(ctx, i++, "SIS.0\n");
1315                         instr_out(ctx, i++, "SIS.1\n");
1316                 }
1317                 if (data[0] & (0x02 << 8)) {
1318                         instr_out(ctx, i++, "DIS.0\n");
1319                 }
1320                 if (data[0] & (0x04 << 8)) {
1321                         instr_out(ctx, i++, "SSB.0\n");
1322                         instr_out(ctx, i++, "SSB.1\n");
1323                 }
1324                 if (data[0] & (0x08 << 8)) {
1325                         instr_out(ctx, i++, "MSB.0\n");
1326                         instr_out(ctx, i++, "MSB.1\n");
1327                 }
1328                 if (data[0] & (0x10 << 8)) {
1329                         instr_out(ctx, i++, "PSP.0\n");
1330                         instr_out(ctx, i++, "PSP.1\n");
1331                 }
1332                 if (data[0] & (0x20 << 8)) {
1333                         instr_out(ctx, i++, "PSC.0\n");
1334                         instr_out(ctx, i++, "PSC.1\n");
1335                 }
1336                 if (len != i) {
1337                         fprintf(out, "Bad count in 3DSTATE_LOAD_INDIRECT\n");
1338                         return len;
1339                 }
1340                 return len;
1341         case 0x04:
1342                 instr_out(ctx, 0,
1343                           "3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1344                 len = (data[0] & 0x0000000f) + 2;
1345                 i = 1;
1346                 for (word = 0; word <= 8; word++) {
1347                         if (data[0] & (1 << (4 + word))) {
1348                                 /* save vertex state for decode */
1349                                 if (!IS_GEN2(devid)) {
1350                                         int tex_num;
1351
1352                                         if (word == 2) {
1353                                                 saved_s2_set = 1;
1354                                                 saved_s2 = data[i];
1355                                         }
1356                                         if (word == 4) {
1357                                                 saved_s4_set = 1;
1358                                                 saved_s4 = data[i];
1359                                         }
1360
1361                                         switch (word) {
1362                                         case 0:
1363                                                 instr_out(ctx, i,
1364                                                           "S0: vbo offset: 0x%08x%s\n",
1365                                                           data[i] & (~1),
1366                                                           data[i] & 1 ?
1367                                                           ", auto cache invalidate disabled"
1368                                                           : "");
1369                                                 break;
1370                                         case 1:
1371                                                 instr_out(ctx, i,
1372                                                           "S1: vertex width: %i, vertex pitch: %i\n",
1373                                                           (data[i] >> 24) &
1374                                                           0x3f,
1375                                                           (data[i] >> 16) &
1376                                                           0x3f);
1377                                                 break;
1378                                         case 2:
1379                                                 instr_out(ctx, i,
1380                                                           "S2: texcoord formats: ");
1381                                                 for (tex_num = 0;
1382                                                      tex_num < 8; tex_num++) {
1383                                                         switch ((data[i] >>
1384                                                                  tex_num *
1385                                                                  4) & 0xf) {
1386                                                         case 0:
1387                                                                 fprintf(out,
1388                                                                         "%i=2D ",
1389                                                                         tex_num);
1390                                                                 break;
1391                                                         case 1:
1392                                                                 fprintf(out,
1393                                                                         "%i=3D ",
1394                                                                         tex_num);
1395                                                                 break;
1396                                                         case 2:
1397                                                                 fprintf(out,
1398                                                                         "%i=4D ",
1399                                                                         tex_num);
1400                                                                 break;
1401                                                         case 3:
1402                                                                 fprintf(out,
1403                                                                         "%i=1D ",
1404                                                                         tex_num);
1405                                                                 break;
1406                                                         case 4:
1407                                                                 fprintf(out,
1408                                                                         "%i=2D_16 ",
1409                                                                         tex_num);
1410                                                                 break;
1411                                                         case 5:
1412                                                                 fprintf(out,
1413                                                                         "%i=4D_16 ",
1414                                                                         tex_num);
1415                                                                 break;
1416                                                         case 0xf:
1417                                                                 fprintf(out,
1418                                                                         "%i=NP ",
1419                                                                         tex_num);
1420                                                                 break;
1421                                                         }
1422                                                 }
1423                                                 fprintf(out, "\n");
1424
1425                                                 break;
1426                                         case 3:
1427                                                 instr_out(ctx, i,
1428                                                           "S3: not documented\n");
1429                                                 break;
1430                                         case 4:
1431                                                 {
1432                                                         const char *cullmode = "";
1433                                                         const char *vfmt_xyzw = "";
1434                                                         switch ((data[i] >> 13)
1435                                                                 & 0x3) {
1436                                                         case 0:
1437                                                                 cullmode =
1438                                                                     "both";
1439                                                                 break;
1440                                                         case 1:
1441                                                                 cullmode =
1442                                                                     "none";
1443                                                                 break;
1444                                                         case 2:
1445                                                                 cullmode = "cw";
1446                                                                 break;
1447                                                         case 3:
1448                                                                 cullmode =
1449                                                                     "ccw";
1450                                                                 break;
1451                                                         }
1452                                                         switch (data[i] &
1453                                                                 (7 << 6 | 1 <<
1454                                                                  2)) {
1455                                                         case 1 << 6:
1456                                                                 vfmt_xyzw =
1457                                                                     "XYZ,";
1458                                                                 break;
1459                                                         case 2 << 6:
1460                                                                 vfmt_xyzw =
1461                                                                     "XYZW,";
1462                                                                 break;
1463                                                         case 3 << 6:
1464                                                                 vfmt_xyzw =
1465                                                                     "XY,";
1466                                                                 break;
1467                                                         case 4 << 6:
1468                                                                 vfmt_xyzw =
1469                                                                     "XYW,";
1470                                                                 break;
1471                                                         case 1 << 6 | 1 << 2:
1472                                                                 vfmt_xyzw =
1473                                                                     "XYZF,";
1474                                                                 break;
1475                                                         case 2 << 6 | 1 << 2:
1476                                                                 vfmt_xyzw =
1477                                                                     "XYZWF,";
1478                                                                 break;
1479                                                         case 3 << 6 | 1 << 2:
1480                                                                 vfmt_xyzw =
1481                                                                     "XYF,";
1482                                                                 break;
1483                                                         case 4 << 6 | 1 << 2:
1484                                                                 vfmt_xyzw =
1485                                                                     "XYWF,";
1486                                                                 break;
1487                                                         }
1488                                                         instr_out(ctx, i,
1489                                                                   "S4: point_width=%i, line_width=%.1f,"
1490                                                                   "%s%s%s%s%s cullmode=%s, vfmt=%s%s%s%s%s%s "
1491                                                                   "%s%s%s%s%s\n",
1492                                                                   (data[i] >>
1493                                                                    23) & 0x1ff,
1494                                                                   ((data[i] >>
1495                                                                     19) & 0xf) /
1496                                                                   2.0,
1497                                                                   data[i] & (0xf
1498                                                                              <<
1499                                                                              15)
1500                                                                   ?
1501                                                                   " flatshade="
1502                                                                   : "",
1503                                                                   data[i] & (1
1504                                                                              <<
1505                                                                              18)
1506                                                                   ? "Alpha," :
1507                                                                   "",
1508                                                                   data[i] & (1
1509                                                                              <<
1510                                                                              17)
1511                                                                   ? "Fog," : "",
1512                                                                   data[i] & (1
1513                                                                              <<
1514                                                                              16)
1515                                                                   ? "Specular,"
1516                                                                   : "",
1517                                                                   data[i] & (1
1518                                                                              <<
1519                                                                              15)
1520                                                                   ? "Color," :
1521                                                                   "", cullmode,
1522                                                                   data[i] & (1
1523                                                                              <<
1524                                                                              12)
1525                                                                   ?
1526                                                                   "PointWidth,"
1527                                                                   : "",
1528                                                                   data[i] & (1
1529                                                                              <<
1530                                                                              11)
1531                                                                   ? "SpecFog," :
1532                                                                   "",
1533                                                                   data[i] & (1
1534                                                                              <<
1535                                                                              10)
1536                                                                   ? "Color," :
1537                                                                   "",
1538                                                                   data[i] & (1
1539                                                                              <<
1540                                                                              9)
1541                                                                   ? "DepthOfs,"
1542                                                                   : "",
1543                                                                   vfmt_xyzw,
1544                                                                   data[i] & (1
1545                                                                              <<
1546                                                                              9)
1547                                                                   ? "FogParam,"
1548                                                                   : "",
1549                                                                   data[i] & (1
1550                                                                              <<
1551                                                                              5)
1552                                                                   ?
1553                                                                   "force default diffuse, "
1554                                                                   : "",
1555                                                                   data[i] & (1
1556                                                                              <<
1557                                                                              4)
1558                                                                   ?
1559                                                                   "force default specular, "
1560                                                                   : "",
1561                                                                   data[i] & (1
1562                                                                              <<
1563                                                                              3)
1564                                                                   ?
1565                                                                   "local depth ofs enable, "
1566                                                                   : "",
1567                                                                   data[i] & (1
1568                                                                              <<
1569                                                                              1)
1570                                                                   ?
1571                                                                   "point sprite enable, "
1572                                                                   : "",
1573                                                                   data[i] & (1
1574                                                                              <<
1575                                                                              0)
1576                                                                   ?
1577                                                                   "line AA enable, "
1578                                                                   : "");
1579                                                         break;
1580                                                 }
1581                                         case 5:
1582                                                 {
1583                                                         instr_out(ctx, i,
1584                                                                   "S5:%s%s%s%s%s"
1585                                                                   "%s%s%s%s stencil_ref=0x%x, stencil_test=%s, "
1586                                                                   "stencil_fail=%s, stencil_pass_z_fail=%s, "
1587                                                                   "stencil_pass_z_pass=%s, %s%s%s%s\n",
1588                                                                   data[i] & (0xf
1589                                                                              <<
1590                                                                              28)
1591                                                                   ?
1592                                                                   " write_disable="
1593                                                                   : "",
1594                                                                   data[i] & (1
1595                                                                              <<
1596                                                                              31)
1597                                                                   ? "Alpha," :
1598                                                                   "",
1599                                                                   data[i] & (1
1600                                                                              <<
1601                                                                              30)
1602                                                                   ? "Red," : "",
1603                                                                   data[i] & (1
1604                                                                              <<
1605                                                                              29)
1606                                                                   ? "Green," :
1607                                                                   "",
1608                                                                   data[i] & (1
1609                                                                              <<
1610                                                                              28)
1611                                                                   ? "Blue," :
1612                                                                   "",
1613                                                                   data[i] & (1
1614                                                                              <<
1615                                                                              27)
1616                                                                   ?
1617                                                                   " force default point size,"
1618                                                                   : "",
1619                                                                   data[i] & (1
1620                                                                              <<
1621                                                                              26)
1622                                                                   ?
1623                                                                   " last pixel enable,"
1624                                                                   : "",
1625                                                                   data[i] & (1
1626                                                                              <<
1627                                                                              25)
1628                                                                   ?
1629                                                                   " global depth ofs enable,"
1630                                                                   : "",
1631                                                                   data[i] & (1
1632                                                                              <<
1633                                                                              24)
1634                                                                   ?
1635                                                                   " fog enable,"
1636                                                                   : "",
1637                                                                   (data[i] >>
1638                                                                    16) & 0xff,
1639                                                                   decode_compare_func
1640                                                                   (data[i] >>
1641                                                                    13),
1642                                                                   decode_stencil_op
1643                                                                   (data[i] >>
1644                                                                    10),
1645                                                                   decode_stencil_op
1646                                                                   (data[i] >>
1647                                                                    7),
1648                                                                   decode_stencil_op
1649                                                                   (data[i] >>
1650                                                                    4),
1651                                                                   data[i] & (1
1652                                                                              <<
1653                                                                              3)
1654                                                                   ?
1655                                                                   "stencil write enable, "
1656                                                                   : "",
1657                                                                   data[i] & (1
1658                                                                              <<
1659                                                                              2)
1660                                                                   ?
1661                                                                   "stencil test enable, "
1662                                                                   : "",
1663                                                                   data[i] & (1
1664                                                                              <<
1665                                                                              1)
1666                                                                   ?
1667                                                                   "color dither enable, "
1668                                                                   : "",
1669                                                                   data[i] & (1
1670                                                                              <<
1671                                                                              0)
1672                                                                   ?
1673                                                                   "logicop enable, "
1674                                                                   : "");
1675                                                 }
1676                                                 break;
1677                                         case 6:
1678                                                 instr_out(ctx, i,
1679                                                           "S6: %salpha_test=%s, alpha_ref=0x%x, "
1680                                                           "depth_test=%s, %ssrc_blnd_fct=%s, dst_blnd_fct=%s, "
1681                                                           "%s%stristrip_provoking_vertex=%i\n",
1682                                                           data[i] & (1 << 31) ?
1683                                                           "alpha test enable, "
1684                                                           : "",
1685                                                           decode_compare_func
1686                                                           (data[i] >> 28),
1687                                                           data[i] & (0xff <<
1688                                                                      20),
1689                                                           decode_compare_func
1690                                                           (data[i] >> 16),
1691                                                           data[i] & (1 << 15) ?
1692                                                           "cbuf blend enable, "
1693                                                           : "",
1694                                                           decode_blend_fact(data
1695                                                                             [i]
1696                                                                             >>
1697                                                                             8),
1698                                                           decode_blend_fact(data
1699                                                                             [i]
1700                                                                             >>
1701                                                                             4),
1702                                                           data[i] & (1 << 3) ?
1703                                                           "depth write enable, "
1704                                                           : "",
1705                                                           data[i] & (1 << 2) ?
1706                                                           "cbuf write enable, "
1707                                                           : "",
1708                                                           data[i] & (0x3));
1709                                                 break;
1710                                         case 7:
1711                                                 instr_out(ctx, i,
1712                                                           "S7: depth offset constant: 0x%08x\n",
1713                                                           data[i]);
1714                                                 break;
1715                                         }
1716                                 } else {
1717                                         instr_out(ctx, i,
1718                                                   "S%d: 0x%08x\n", word, data[i]);
1719                                 }
1720                                 i++;
1721                         }
1722                 }
1723                 if (len != i) {
1724                         fprintf(out,
1725                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1726                 }
1727                 return len;
1728         case 0x03:
1729                 instr_out(ctx, 0,
1730                           "3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1731                 len = (data[0] & 0x0000000f) + 2;
1732                 i = 1;
1733                 for (word = 6; word <= 14; word++) {
1734                         if (data[0] & (1 << word)) {
1735                                 if (word == 6)
1736                                         instr_out(ctx, i++,
1737                                                   "TBCF\n");
1738                                 else if (word >= 7 && word <= 10) {
1739                                         instr_out(ctx, i++,
1740                                                   "TB%dC\n", word - 7);
1741                                         instr_out(ctx, i++,
1742                                                   "TB%dA\n", word - 7);
1743                                 } else if (word >= 11 && word <= 14) {
1744                                         instr_out(ctx, i,
1745                                                   "TM%dS0: offset=0x%08x, %s\n",
1746                                                   word - 11,
1747                                                   data[i] & 0xfffffffe,
1748                                                   data[i] & 1 ? "use fence" :
1749                                                   "");
1750                                         i++;
1751                                         instr_out(ctx, i,
1752                                                   "TM%dS1: height=%i, width=%i, %s\n",
1753                                                   word - 11, data[i] >> 21,
1754                                                   (data[i] >> 10) & 0x3ff,
1755                                                   data[i] & 2 ? (data[i] & 1 ?
1756                                                                  "y-tiled" :
1757                                                                  "x-tiled") :
1758                                                   "");
1759                                         i++;
1760                                         instr_out(ctx, i,
1761                                                   "TM%dS2: pitch=%i, \n",
1762                                                   word - 11,
1763                                                   ((data[i] >> 21) + 1) * 4);
1764                                         i++;
1765                                         instr_out(ctx, i++,
1766                                                   "TM%dS3\n", word - 11);
1767                                         instr_out(ctx, i++,
1768                                                   "TM%dS4: dflt color\n",
1769                                                   word - 11);
1770                                 }
1771                         }
1772                 }
1773                 if (len != i) {
1774                         fprintf(out,
1775                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1776                 }
1777                 return len;
1778         case 0x00:
1779                 instr_out(ctx, 0, "3DSTATE_MAP_STATE\n");
1780                 len = (data[0] & 0x0000003f) + 2;
1781                 instr_out(ctx, 1, "mask\n");
1782
1783                 i = 2;
1784                 for (map = 0; map <= 15; map++) {
1785                         if (data[1] & (1 << map)) {
1786                                 int width, height, pitch, dword;
1787                                 const char *tiling;
1788
1789                                 dword = data[i];
1790                                 instr_out(ctx, i++,
1791                                           "map %d MS2 %s%s%s\n", map,
1792                                           dword & (1 << 31) ?
1793                                           "untrusted surface, " : "",
1794                                           dword & (1 << 1) ?
1795                                           "vertical line stride enable, " : "",
1796                                           dword & (1 << 0) ?
1797                                           "vertical ofs enable, " : "");
1798
1799                                 dword = data[i];
1800                                 width = ((dword >> 10) & ((1 << 11) - 1)) + 1;
1801                                 height = ((dword >> 21) & ((1 << 11) - 1)) + 1;
1802
1803                                 tiling = "none";
1804                                 if (dword & (1 << 2))
1805                                         tiling = "fenced";
1806                                 else if (dword & (1 << 1))
1807                                         tiling = dword & (1 << 0) ? "Y" : "X";
1808                                 type = " BAD";
1809                                 format = "BAD";
1810                                 switch ((dword >> 7) & 0x7) {
1811                                 case 1:
1812                                         type = "8b";
1813                                         switch ((dword >> 3) & 0xf) {
1814                                         case 0:
1815                                                 format = "I";
1816                                                 break;
1817                                         case 1:
1818                                                 format = "L";
1819                                                 break;
1820                                         case 4:
1821                                                 format = "A";
1822                                                 break;
1823                                         case 5:
1824                                                 format = " mono";
1825                                                 break;
1826                                         }
1827                                         break;
1828                                 case 2:
1829                                         type = "16b";
1830                                         switch ((dword >> 3) & 0xf) {
1831                                         case 0:
1832                                                 format = " rgb565";
1833                                                 break;
1834                                         case 1:
1835                                                 format = " argb1555";
1836                                                 break;
1837                                         case 2:
1838                                                 format = " argb4444";
1839                                                 break;
1840                                         case 5:
1841                                                 format = " ay88";
1842                                                 break;
1843                                         case 6:
1844                                                 format = " bump655";
1845                                                 break;
1846                                         case 7:
1847                                                 format = "I";
1848                                                 break;
1849                                         case 8:
1850                                                 format = "L";
1851                                                 break;
1852                                         case 9:
1853                                                 format = "A";
1854                                                 break;
1855                                         }
1856                                         break;
1857                                 case 3:
1858                                         type = "32b";
1859                                         switch ((dword >> 3) & 0xf) {
1860                                         case 0:
1861                                                 format = " argb8888";
1862                                                 break;
1863                                         case 1:
1864                                                 format = " abgr8888";
1865                                                 break;
1866                                         case 2:
1867                                                 format = " xrgb8888";
1868                                                 break;
1869                                         case 3:
1870                                                 format = " xbgr8888";
1871                                                 break;
1872                                         case 4:
1873                                                 format = " qwvu8888";
1874                                                 break;
1875                                         case 5:
1876                                                 format = " axvu8888";
1877                                                 break;
1878                                         case 6:
1879                                                 format = " lxvu8888";
1880                                                 break;
1881                                         case 7:
1882                                                 format = " xlvu8888";
1883                                                 break;
1884                                         case 8:
1885                                                 format = " argb2101010";
1886                                                 break;
1887                                         case 9:
1888                                                 format = " abgr2101010";
1889                                                 break;
1890                                         case 10:
1891                                                 format = " awvu2101010";
1892                                                 break;
1893                                         case 11:
1894                                                 format = " gr1616";
1895                                                 break;
1896                                         case 12:
1897                                                 format = " vu1616";
1898                                                 break;
1899                                         case 13:
1900                                                 format = " xI824";
1901                                                 break;
1902                                         case 14:
1903                                                 format = " xA824";
1904                                                 break;
1905                                         case 15:
1906                                                 format = " xL824";
1907                                                 break;
1908                                         }
1909                                         break;
1910                                 case 5:
1911                                         type = "422";
1912                                         switch ((dword >> 3) & 0xf) {
1913                                         case 0:
1914                                                 format = " yuv_swapy";
1915                                                 break;
1916                                         case 1:
1917                                                 format = " yuv";
1918                                                 break;
1919                                         case 2:
1920                                                 format = " yuv_swapuv";
1921                                                 break;
1922                                         case 3:
1923                                                 format = " yuv_swapuvy";
1924                                                 break;
1925                                         }
1926                                         break;
1927                                 case 6:
1928                                         type = "compressed";
1929                                         switch ((dword >> 3) & 0x7) {
1930                                         case 0:
1931                                                 format = " dxt1";
1932                                                 break;
1933                                         case 1:
1934                                                 format = " dxt2_3";
1935                                                 break;
1936                                         case 2:
1937                                                 format = " dxt4_5";
1938                                                 break;
1939                                         case 3:
1940                                                 format = " fxt1";
1941                                                 break;
1942                                         case 4:
1943                                                 format = " dxt1_rb";
1944                                                 break;
1945                                         }
1946                                         break;
1947                                 case 7:
1948                                         type = "4b indexed";
1949                                         switch ((dword >> 3) & 0xf) {
1950                                         case 7:
1951                                                 format = " argb8888";
1952                                                 break;
1953                                         }
1954                                         break;
1955                                 }
1956                                 dword = data[i];
1957                                 instr_out(ctx, i++,
1958                                           "map %d MS3 [width=%d, height=%d, format=%s%s, tiling=%s%s]\n",
1959                                           map, width, height, type, format,
1960                                           tiling,
1961                                           dword & (1 << 9) ? " palette select" :
1962                                           "");
1963
1964                                 dword = data[i];
1965                                 pitch =
1966                                     4 * (((dword >> 21) & ((1 << 11) - 1)) + 1);
1967                                 instr_out(ctx, i++,
1968                                           "map %d MS4 [pitch=%d, max_lod=%i, vol_depth=%i, cube_face_ena=%x, %s]\n",
1969                                           map, pitch, (dword >> 9) & 0x3f,
1970                                           dword & 0xff, (dword >> 15) & 0x3f,
1971                                           dword & (1 << 8) ? "miplayout legacy"
1972                                           : "miplayout right");
1973                         }
1974                 }
1975                 if (len != i) {
1976                         fprintf(out, "Bad count in 3DSTATE_MAP_STATE\n");
1977                         return len;
1978                 }
1979                 return len;
1980         case 0x06:
1981                 instr_out(ctx, 0,
1982                           "3DSTATE_PIXEL_SHADER_CONSTANTS\n");
1983                 len = (data[0] & 0x000000ff) + 2;
1984
1985                 i = 2;
1986                 for (c = 0; c <= 31; c++) {
1987                         if (data[1] & (1 << c)) {
1988                                 instr_out(ctx, i, "C%d.X = %f\n", c,
1989                                           int_as_float(data[i]));
1990                                 i++;
1991                                 instr_out(ctx, i, "C%d.Y = %f\n",
1992                                           c, int_as_float(data[i]));
1993                                 i++;
1994                                 instr_out(ctx, i, "C%d.Z = %f\n",
1995                                           c, int_as_float(data[i]));
1996                                 i++;
1997                                 instr_out(ctx, i, "C%d.W = %f\n",
1998                                           c, int_as_float(data[i]));
1999                                 i++;
2000                         }
2001                 }
2002                 if (len != i) {
2003                         fprintf(out,
2004                                 "Bad count in 3DSTATE_PIXEL_SHADER_CONSTANTS\n");
2005                 }
2006                 return len;
2007         case 0x05:
2008                 instr_out(ctx, 0, "3DSTATE_PIXEL_SHADER_PROGRAM\n");
2009                 len = (data[0] & 0x000000ff) + 2;
2010                 if ((len - 1) % 3 != 0 || len > 370) {
2011                         fprintf(out,
2012                                 "Bad count in 3DSTATE_PIXEL_SHADER_PROGRAM\n");
2013                 }
2014                 i = 1;
2015                 for (instr = 0; instr < (len - 1) / 3; instr++) {
2016                         char instr_prefix[10];
2017
2018                         sprintf(instr_prefix, "PS%03d", instr);
2019                         i915_decode_instruction(ctx, i,
2020                                                 instr_prefix);
2021                         i += 3;
2022                 }
2023                 return len;
2024         case 0x01:
2025                 if (IS_GEN2(devid))
2026                         break;
2027                 instr_out(ctx, 0, "3DSTATE_SAMPLER_STATE\n");
2028                 instr_out(ctx, 1, "mask\n");
2029                 len = (data[0] & 0x0000003f) + 2;
2030                 i = 2;
2031                 for (sampler = 0; sampler <= 15; sampler++) {
2032                         if (data[1] & (1 << sampler)) {
2033                                 uint32_t dword;
2034                                 const char *mip_filter = "";
2035
2036                                 dword = data[i];
2037                                 switch ((dword >> 20) & 0x3) {
2038                                 case 0:
2039                                         mip_filter = "none";
2040                                         break;
2041                                 case 1:
2042                                         mip_filter = "nearest";
2043                                         break;
2044                                 case 3:
2045                                         mip_filter = "linear";
2046                                         break;
2047                                 }
2048                                 instr_out(ctx, i++,
2049                                           "sampler %d SS2:%s%s%s "
2050                                           "base_mip_level=%i, mip_filter=%s, mag_filter=%s, min_filter=%s "
2051                                           "lod_bias=%.2f,%s max_aniso=%i, shadow_func=%s\n",
2052                                           sampler,
2053                                           dword & (1 << 31) ? " reverse gamma,"
2054                                           : "",
2055                                           dword & (1 << 30) ? " packed2planar,"
2056                                           : "",
2057                                           dword & (1 << 29) ?
2058                                           " colorspace conversion," : "",
2059                                           (dword >> 22) & 0x1f, mip_filter,
2060                                           decode_sample_filter(dword >> 17),
2061                                           decode_sample_filter(dword >> 14),
2062                                           ((dword >> 5) & 0x1ff) / (0x10 * 1.0),
2063                                           dword & (1 << 4) ? " shadow," : "",
2064                                           dword & (1 << 3) ? 4 : 2,
2065                                           decode_compare_func(dword));
2066                                 dword = data[i];
2067                                 instr_out(ctx, i++,
2068                                           "sampler %d SS3: min_lod=%.2f,%s "
2069                                           "tcmode_x=%s, tcmode_y=%s, tcmode_z=%s,%s texmap_idx=%i,%s\n",
2070                                           sampler,
2071                                           ((dword >> 24) & 0xff) / (0x10 * 1.0),
2072                                           dword & (1 << 17) ?
2073                                           " kill pixel enable," : "",
2074                                           decode_tex_coord_mode(dword >> 12),
2075                                           decode_tex_coord_mode(dword >> 9),
2076                                           decode_tex_coord_mode(dword >> 6),
2077                                           dword & (1 << 5) ?
2078                                           " normalized coords," : "",
2079                                           (dword >> 1) & 0xf,
2080                                           dword & (1 << 0) ? " deinterlacer," :
2081                                           "");
2082                                 dword = data[i];
2083                                 instr_out(ctx, i++,
2084                                           "sampler %d SS4: border color\n",
2085                                           sampler);
2086                         }
2087                 }
2088                 if (len != i) {
2089                         fprintf(out, "Bad count in 3DSTATE_SAMPLER_STATE\n");
2090                 }
2091                 return len;
2092         case 0x85:
2093                 len = (data[0] & 0x0000000f) + 2;
2094
2095                 if (len != 2)
2096                         fprintf(out,
2097                                 "Bad count in 3DSTATE_DEST_BUFFER_VARIABLES\n");
2098
2099                 instr_out(ctx, 0,
2100                           "3DSTATE_DEST_BUFFER_VARIABLES\n");
2101
2102                 switch ((data[1] >> 8) & 0xf) {
2103                 case 0x0:
2104                         format = "g8";
2105                         break;
2106                 case 0x1:
2107                         format = "x1r5g5b5";
2108                         break;
2109                 case 0x2:
2110                         format = "r5g6b5";
2111                         break;
2112                 case 0x3:
2113                         format = "a8r8g8b8";
2114                         break;
2115                 case 0x4:
2116                         format = "ycrcb_swapy";
2117                         break;
2118                 case 0x5:
2119                         format = "ycrcb_normal";
2120                         break;
2121                 case 0x6:
2122                         format = "ycrcb_swapuv";
2123                         break;
2124                 case 0x7:
2125                         format = "ycrcb_swapuvy";
2126                         break;
2127                 case 0x8:
2128                         format = "a4r4g4b4";
2129                         break;
2130                 case 0x9:
2131                         format = "a1r5g5b5";
2132                         break;
2133                 case 0xa:
2134                         format = "a2r10g10b10";
2135                         break;
2136                 default:
2137                         format = "BAD";
2138                         break;
2139                 }
2140                 switch ((data[1] >> 2) & 0x3) {
2141                 case 0x0:
2142                         zformat = "u16";
2143                         break;
2144                 case 0x1:
2145                         zformat = "f16";
2146                         break;
2147                 case 0x2:
2148                         zformat = "u24x8";
2149                         break;
2150                 default:
2151                         zformat = "BAD";
2152                         break;
2153                 }
2154                 instr_out(ctx, 1,
2155                           "%s format, %s depth format, early Z %sabled\n",
2156                           format, zformat,
2157                           (data[1] & (1 << 31)) ? "en" : "dis");
2158                 return len;
2159
2160         case 0x8e:
2161                 {
2162                         const char *name, *tiling;
2163
2164                         len = (data[0] & 0x0000000f) + 2;
2165                         if (len != 3)
2166                                 fprintf(out,
2167                                         "Bad count in 3DSTATE_BUFFER_INFO\n");
2168
2169                         switch ((data[1] >> 24) & 0x7) {
2170                         case 0x3:
2171                                 name = "color";
2172                                 break;
2173                         case 0x7:
2174                                 name = "depth";
2175                                 break;
2176                         default:
2177                                 name = "unknown";
2178                                 break;
2179                         }
2180
2181                         tiling = "none";
2182                         if (data[1] & (1 << 23))
2183                                 tiling = "fenced";
2184                         else if (data[1] & (1 << 22))
2185                                 tiling = data[1] & (1 << 21) ? "Y" : "X";
2186
2187                         instr_out(ctx, 0, "3DSTATE_BUFFER_INFO\n");
2188                         instr_out(ctx, 1,
2189                                   "%s, tiling = %s, pitch=%d\n", name, tiling,
2190                                   data[1] & 0xffff);
2191
2192                         instr_out(ctx, 2, "address\n");
2193                         return len;
2194                 }
2195         case 0x81:
2196                 len = (data[0] & 0x0000000f) + 2;
2197
2198                 if (len != 3)
2199                         fprintf(out,
2200                                 "Bad count in 3DSTATE_SCISSOR_RECTANGLE\n");
2201
2202                 instr_out(ctx, 0, "3DSTATE_SCISSOR_RECTANGLE\n");
2203                 instr_out(ctx, 1, "(%d,%d)\n",
2204                           data[1] & 0xffff, data[1] >> 16);
2205                 instr_out(ctx, 2, "(%d,%d)\n",
2206                           data[2] & 0xffff, data[2] >> 16);
2207
2208                 return len;
2209         case 0x80:
2210                 len = (data[0] & 0x0000000f) + 2;
2211
2212                 if (len != 5)
2213                         fprintf(out,
2214                                 "Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
2215
2216                 instr_out(ctx, 0, "3DSTATE_DRAWING_RECTANGLE\n");
2217                 instr_out(ctx, 1, "%s\n",
2218                           data[1] & (1 << 30) ? "depth ofs disabled " : "");
2219                 instr_out(ctx, 2, "(%d,%d)\n",
2220                           data[2] & 0xffff, data[2] >> 16);
2221                 instr_out(ctx, 3, "(%d,%d)\n",
2222                           data[3] & 0xffff, data[3] >> 16);
2223                 instr_out(ctx, 4, "(%d,%d)\n",
2224                           data[4] & 0xffff, data[4] >> 16);
2225
2226                 return len;
2227         case 0x9c:
2228                 len = (data[0] & 0x0000000f) + 2;
2229
2230                 if (len != 7)
2231                         fprintf(out, "Bad count in 3DSTATE_CLEAR_PARAMETERS\n");
2232
2233                 instr_out(ctx, 0, "3DSTATE_CLEAR_PARAMETERS\n");
2234                 instr_out(ctx, 1, "prim_type=%s, clear=%s%s%s\n",
2235                           data[1] & (1 << 16) ? "CLEAR_RECT" : "ZONE_INIT",
2236                           data[1] & (1 << 2) ? "color," : "",
2237                           data[1] & (1 << 1) ? "depth," : "",
2238                           data[1] & (1 << 0) ? "stencil," : "");
2239                 instr_out(ctx, 2, "clear color\n");
2240                 instr_out(ctx, 3, "clear depth/stencil\n");
2241                 instr_out(ctx, 4, "color value (rgba8888)\n");
2242                 instr_out(ctx, 5, "depth value %f\n",
2243                           int_as_float(data[5]));
2244                 instr_out(ctx, 6, "clear stencil\n");
2245                 return len;
2246         }
2247
2248         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d_1d); idx++) {
2249                 opcode_3d_1d = &opcodes_3d_1d[idx];
2250                 if (opcode_3d_1d->i830_only && !IS_GEN2(devid))
2251                         continue;
2252
2253                 if (((data[0] & 0x00ff0000) >> 16) == opcode_3d_1d->opcode) {
2254                         len = 1;
2255
2256                         instr_out(ctx, 0, "%s\n",
2257                                   opcode_3d_1d->name);
2258                         if (opcode_3d_1d->max_len > 1) {
2259                                 len = (data[0] & 0x0000ffff) + 2;
2260                                 if (len < opcode_3d_1d->min_len ||
2261                                     len > opcode_3d_1d->max_len) {
2262                                         fprintf(out, "Bad count in %s\n",
2263                                                 opcode_3d_1d->name);
2264                                 }
2265                         }
2266
2267                         for (i = 1; i < len; i++) {
2268                                 instr_out(ctx, i, "dword %d\n", i);
2269                         }
2270
2271                         return len;
2272                 }
2273         }
2274
2275         instr_out(ctx, 0, "3D UNKNOWN: 3d_1d opcode = 0x%x\n",
2276                   opcode);
2277         return 1;
2278 }
2279
2280 static int
2281 decode_3d_primitive(struct drm_intel_decode *ctx)
2282 {
2283         uint32_t *data = ctx->data;
2284         uint32_t count = ctx->count;
2285         char immediate = (data[0] & (1 << 23)) == 0;
2286         unsigned int len, i, j, ret;
2287         const char *primtype;
2288         int original_s2 = saved_s2;
2289         int original_s4 = saved_s4;
2290
2291         switch ((data[0] >> 18) & 0xf) {
2292         case 0x0:
2293                 primtype = "TRILIST";
2294                 break;
2295         case 0x1:
2296                 primtype = "TRISTRIP";
2297                 break;
2298         case 0x2:
2299                 primtype = "TRISTRIP_REVERSE";
2300                 break;
2301         case 0x3:
2302                 primtype = "TRIFAN";
2303                 break;
2304         case 0x4:
2305                 primtype = "POLYGON";
2306                 break;
2307         case 0x5:
2308                 primtype = "LINELIST";
2309                 break;
2310         case 0x6:
2311                 primtype = "LINESTRIP";
2312                 break;
2313         case 0x7:
2314                 primtype = "RECTLIST";
2315                 break;
2316         case 0x8:
2317                 primtype = "POINTLIST";
2318                 break;
2319         case 0x9:
2320                 primtype = "DIB";
2321                 break;
2322         case 0xa:
2323                 primtype = "CLEAR_RECT";
2324                 saved_s4 = 3 << 6;
2325                 saved_s2 = ~0;
2326                 break;
2327         default:
2328                 primtype = "unknown";
2329                 break;
2330         }
2331
2332         /* XXX: 3DPRIM_DIB not supported */
2333         if (immediate) {
2334                 len = (data[0] & 0x0003ffff) + 2;
2335                 instr_out(ctx, 0, "3DPRIMITIVE inline %s\n",
2336                           primtype);
2337                 if (count < len)
2338                         BUFFER_FAIL(count, len, "3DPRIMITIVE inline");
2339                 if (!saved_s2_set || !saved_s4_set) {
2340                         fprintf(out, "unknown vertex format\n");
2341                         for (i = 1; i < len; i++) {
2342                                 instr_out(ctx, i,
2343                                           "           vertex data (%f float)\n",
2344                                           int_as_float(data[i]));
2345                         }
2346                 } else {
2347                         unsigned int vertex = 0;
2348                         for (i = 1; i < len;) {
2349                                 unsigned int tc;
2350
2351 #define VERTEX_OUT(fmt, ...) do {                                       \
2352     if (i < len)                                                        \
2353         instr_out(ctx, i, " V%d."fmt"\n", vertex, __VA_ARGS__); \
2354     else                                                                \
2355         fprintf(out, " missing data in V%d\n", vertex);                 \
2356     i++;                                                                \
2357 } while (0)
2358
2359                                 VERTEX_OUT("X = %f", int_as_float(data[i]));
2360                                 VERTEX_OUT("Y = %f", int_as_float(data[i]));
2361                                 switch (saved_s4 >> 6 & 0x7) {
2362                                 case 0x1:
2363                                         VERTEX_OUT("Z = %f",
2364                                                    int_as_float(data[i]));
2365                                         break;
2366                                 case 0x2:
2367                                         VERTEX_OUT("Z = %f",
2368                                                    int_as_float(data[i]));
2369                                         VERTEX_OUT("W = %f",
2370                                                    int_as_float(data[i]));
2371                                         break;
2372                                 case 0x3:
2373                                         break;
2374                                 case 0x4:
2375                                         VERTEX_OUT("W = %f",
2376                                                    int_as_float(data[i]));
2377                                         break;
2378                                 default:
2379                                         fprintf(out, "bad S4 position mask\n");
2380                                 }
2381
2382                                 if (saved_s4 & (1 << 10)) {
2383                                         VERTEX_OUT
2384                                             ("color = (A=0x%02x, R=0x%02x, G=0x%02x, "
2385                                              "B=0x%02x)", data[i] >> 24,
2386                                              (data[i] >> 16) & 0xff,
2387                                              (data[i] >> 8) & 0xff,
2388                                              data[i] & 0xff);
2389                                 }
2390                                 if (saved_s4 & (1 << 11)) {
2391                                         VERTEX_OUT
2392                                             ("spec = (A=0x%02x, R=0x%02x, G=0x%02x, "
2393                                              "B=0x%02x)", data[i] >> 24,
2394                                              (data[i] >> 16) & 0xff,
2395                                              (data[i] >> 8) & 0xff,
2396                                              data[i] & 0xff);
2397                                 }
2398                                 if (saved_s4 & (1 << 12))
2399                                         VERTEX_OUT("width = 0x%08x)", data[i]);
2400
2401                                 for (tc = 0; tc <= 7; tc++) {
2402                                         switch ((saved_s2 >> (tc * 4)) & 0xf) {
2403                                         case 0x0:
2404                                                 VERTEX_OUT("T%d.X = %f", tc,
2405                                                            int_as_float(data
2406                                                                         [i]));
2407                                                 VERTEX_OUT("T%d.Y = %f", tc,
2408                                                            int_as_float(data
2409                                                                         [i]));
2410                                                 break;
2411                                         case 0x1:
2412                                                 VERTEX_OUT("T%d.X = %f", tc,
2413                                                            int_as_float(data
2414                                                                         [i]));
2415                                                 VERTEX_OUT("T%d.Y = %f", tc,
2416                                                            int_as_float(data
2417                                                                         [i]));
2418                                                 VERTEX_OUT("T%d.Z = %f", tc,
2419                                                            int_as_float(data
2420                                                                         [i]));
2421                                                 break;
2422                                         case 0x2:
2423                                                 VERTEX_OUT("T%d.X = %f", tc,
2424                                                            int_as_float(data
2425                                                                         [i]));
2426                                                 VERTEX_OUT("T%d.Y = %f", tc,
2427                                                            int_as_float(data
2428                                                                         [i]));
2429                                                 VERTEX_OUT("T%d.Z = %f", tc,
2430                                                            int_as_float(data
2431                                                                         [i]));
2432                                                 VERTEX_OUT("T%d.W = %f", tc,
2433                                                            int_as_float(data
2434                                                                         [i]));
2435                                                 break;
2436                                         case 0x3:
2437                                                 VERTEX_OUT("T%d.X = %f", tc,
2438                                                            int_as_float(data
2439                                                                         [i]));
2440                                                 break;
2441                                         case 0x4:
2442                                                 VERTEX_OUT
2443                                                     ("T%d.XY = 0x%08x half-float",
2444                                                      tc, data[i]);
2445                                                 break;
2446                                         case 0x5:
2447                                                 VERTEX_OUT
2448                                                     ("T%d.XY = 0x%08x half-float",
2449                                                      tc, data[i]);
2450                                                 VERTEX_OUT
2451                                                     ("T%d.ZW = 0x%08x half-float",
2452                                                      tc, data[i]);
2453                                                 break;
2454                                         case 0xf:
2455                                                 break;
2456                                         default:
2457                                                 fprintf(out,
2458                                                         "bad S2.T%d format\n",
2459                                                         tc);
2460                                         }
2461                                 }
2462                                 vertex++;
2463                         }
2464                 }
2465
2466                 ret = len;
2467         } else {
2468                 /* indirect vertices */
2469                 len = data[0] & 0x0000ffff;     /* index count */
2470                 if (data[0] & (1 << 17)) {
2471                         /* random vertex access */
2472                         if (count < (len + 1) / 2 + 1) {
2473                                 BUFFER_FAIL(count, (len + 1) / 2 + 1,
2474                                             "3DPRIMITIVE random indirect");
2475                         }
2476                         instr_out(ctx, 0,
2477                                   "3DPRIMITIVE random indirect %s (%d)\n",
2478                                   primtype, len);
2479                         if (len == 0) {
2480                                 /* vertex indices continue until 0xffff is
2481                                  * found
2482                                  */
2483                                 for (i = 1; i < count; i++) {
2484                                         if ((data[i] & 0xffff) == 0xffff) {
2485                                                 instr_out(ctx, i,
2486                                                           "    indices: (terminator)\n");
2487                                                 ret = i;
2488                                                 goto out;
2489                                         } else if ((data[i] >> 16) == 0xffff) {
2490                                                 instr_out(ctx, i,
2491                                                           "    indices: 0x%04x, (terminator)\n",
2492                                                           data[i] & 0xffff);
2493                                                 ret = i;
2494                                                 goto out;
2495                                         } else {
2496                                                 instr_out(ctx, i,
2497                                                           "    indices: 0x%04x, 0x%04x\n",
2498                                                           data[i] & 0xffff,
2499                                                           data[i] >> 16);
2500                                         }
2501                                 }
2502                                 fprintf(out,
2503                                         "3DPRIMITIVE: no terminator found in index buffer\n");
2504                                 ret = count;
2505                                 goto out;
2506                         } else {
2507                                 /* fixed size vertex index buffer */
2508                                 for (j = 1, i = 0; i < len; i += 2, j++) {
2509                                         if (i * 2 == len - 1) {
2510                                                 instr_out(ctx, j,
2511                                                           "    indices: 0x%04x\n",
2512                                                           data[j] & 0xffff);
2513                                         } else {
2514                                                 instr_out(ctx, j,
2515                                                           "    indices: 0x%04x, 0x%04x\n",
2516                                                           data[j] & 0xffff,
2517                                                           data[j] >> 16);
2518                                         }
2519                                 }
2520                         }
2521                         ret = (len + 1) / 2 + 1;
2522                         goto out;
2523                 } else {
2524                         /* sequential vertex access */
2525                         instr_out(ctx, 0,
2526                                   "3DPRIMITIVE sequential indirect %s, %d starting from "
2527                                   "%d\n", primtype, len, data[1] & 0xffff);
2528                         instr_out(ctx, 1, "           start\n");
2529                         ret = 2;
2530                         goto out;
2531                 }
2532         }
2533
2534 out:
2535         saved_s2 = original_s2;
2536         saved_s4 = original_s4;
2537         return ret;
2538 }
2539
2540 static int
2541 decode_3d(struct drm_intel_decode *ctx)
2542 {
2543         uint32_t opcode;
2544         unsigned int idx;
2545         uint32_t *data = ctx->data;
2546
2547         struct {
2548                 uint32_t opcode;
2549                 unsigned int min_len;
2550                 unsigned int max_len;
2551                 const char *name;
2552         } opcodes_3d[] = {
2553                 { 0x06, 1, 1, "3DSTATE_ANTI_ALIASING" },
2554                 { 0x08, 1, 1, "3DSTATE_BACKFACE_STENCIL_OPS" },
2555                 { 0x09, 1, 1, "3DSTATE_BACKFACE_STENCIL_MASKS" },
2556                 { 0x16, 1, 1, "3DSTATE_COORD_SET_BINDINGS" },
2557                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
2558                 { 0x0b, 1, 1, "3DSTATE_INDEPENDENT_ALPHA_BLEND" },
2559                 { 0x0d, 1, 1, "3DSTATE_MODES_4" },
2560                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
2561                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES"},
2562         }, *opcode_3d;
2563
2564         opcode = (data[0] & 0x1f000000) >> 24;
2565
2566         switch (opcode) {
2567         case 0x1f:
2568                 return decode_3d_primitive(ctx);
2569         case 0x1d:
2570                 return decode_3d_1d(ctx);
2571         case 0x1c:
2572                 return decode_3d_1c(ctx);
2573         }
2574
2575         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
2576                 opcode_3d = &opcodes_3d[idx];
2577                 if (opcode == opcode_3d->opcode) {
2578                         unsigned int len = 1, i;
2579
2580                         instr_out(ctx, 0, "%s\n", opcode_3d->name);
2581                         if (opcode_3d->max_len > 1) {
2582                                 len = (data[0] & 0xff) + 2;
2583                                 if (len < opcode_3d->min_len ||
2584                                     len > opcode_3d->max_len) {
2585                                         fprintf(out, "Bad count in %s\n",
2586                                                 opcode_3d->name);
2587                                 }
2588                         }
2589
2590                         for (i = 1; i < len; i++) {
2591                                 instr_out(ctx, i, "dword %d\n", i);
2592                         }
2593                         return len;
2594                 }
2595         }
2596
2597         instr_out(ctx, 0, "3D UNKNOWN: 3d opcode = 0x%x\n", opcode);
2598         return 1;
2599 }
2600
2601 static const char *get_965_surfacetype(unsigned int surfacetype)
2602 {
2603         switch (surfacetype) {
2604         case 0:
2605                 return "1D";
2606         case 1:
2607                 return "2D";
2608         case 2:
2609                 return "3D";
2610         case 3:
2611                 return "CUBE";
2612         case 4:
2613                 return "BUFFER";
2614         case 7:
2615                 return "NULL";
2616         default:
2617                 return "unknown";
2618         }
2619 }
2620
2621 static const char *get_965_depthformat(unsigned int depthformat)
2622 {
2623         switch (depthformat) {
2624         case 0:
2625                 return "s8_z24float";
2626         case 1:
2627                 return "z32float";
2628         case 2:
2629                 return "z24s8";
2630         case 5:
2631                 return "z16";
2632         default:
2633                 return "unknown";
2634         }
2635 }
2636
2637 static const char *get_965_element_component(uint32_t data, int component)
2638 {
2639         uint32_t component_control = (data >> (16 + (3 - component) * 4)) & 0x7;
2640
2641         switch (component_control) {
2642         case 0:
2643                 return "nostore";
2644         case 1:
2645                 switch (component) {
2646                 case 0:
2647                         return "X";
2648                 case 1:
2649                         return "Y";
2650                 case 2:
2651                         return "Z";
2652                 case 3:
2653                         return "W";
2654                 default:
2655                         return "fail";
2656                 }
2657         case 2:
2658                 return "0.0";
2659         case 3:
2660                 return "1.0";
2661         case 4:
2662                 return "0x1";
2663         case 5:
2664                 return "VID";
2665         default:
2666                 return "fail";
2667         }
2668 }
2669
2670 static const char *get_965_prim_type(uint32_t primtype)
2671 {
2672         switch (primtype) {
2673         case 0x01:
2674                 return "point list";
2675         case 0x02:
2676                 return "line list";
2677         case 0x03:
2678                 return "line strip";
2679         case 0x04:
2680                 return "tri list";
2681         case 0x05:
2682                 return "tri strip";
2683         case 0x06:
2684                 return "tri fan";
2685         case 0x07:
2686                 return "quad list";
2687         case 0x08:
2688                 return "quad strip";
2689         case 0x09:
2690                 return "line list adj";
2691         case 0x0a:
2692                 return "line strip adj";
2693         case 0x0b:
2694                 return "tri list adj";
2695         case 0x0c:
2696                 return "tri strip adj";
2697         case 0x0d:
2698                 return "tri strip reverse";
2699         case 0x0e:
2700                 return "polygon";
2701         case 0x0f:
2702                 return "rect list";
2703         case 0x10:
2704                 return "line loop";
2705         case 0x11:
2706                 return "point list bf";
2707         case 0x12:
2708                 return "line strip cont";
2709         case 0x13:
2710                 return "line strip bf";
2711         case 0x14:
2712                 return "line strip cont bf";
2713         case 0x15:
2714                 return "tri fan no stipple";
2715         default:
2716                 return "fail";
2717         }
2718 }
2719
2720 static int
2721 i965_decode_urb_fence(struct drm_intel_decode *ctx, int len)
2722 {
2723         uint32_t vs_fence, clip_fence, gs_fence, sf_fence, vfe_fence, cs_fence;
2724         uint32_t *data = ctx->data;
2725
2726         if (len != 3)
2727                 fprintf(out, "Bad count in URB_FENCE\n");
2728
2729         vs_fence = data[1] & 0x3ff;
2730         gs_fence = (data[1] >> 10) & 0x3ff;
2731         clip_fence = (data[1] >> 20) & 0x3ff;
2732         sf_fence = data[2] & 0x3ff;
2733         vfe_fence = (data[2] >> 10) & 0x3ff;
2734         cs_fence = (data[2] >> 20) & 0x7ff;
2735
2736         instr_out(ctx, 0, "URB_FENCE: %s%s%s%s%s%s\n",
2737                   (data[0] >> 13) & 1 ? "cs " : "",
2738                   (data[0] >> 12) & 1 ? "vfe " : "",
2739                   (data[0] >> 11) & 1 ? "sf " : "",
2740                   (data[0] >> 10) & 1 ? "clip " : "",
2741                   (data[0] >> 9) & 1 ? "gs " : "",
2742                   (data[0] >> 8) & 1 ? "vs " : "");
2743         instr_out(ctx, 1,
2744                   "vs fence: %d, clip_fence: %d, gs_fence: %d\n",
2745                   vs_fence, clip_fence, gs_fence);
2746         instr_out(ctx, 2,
2747                   "sf fence: %d, vfe_fence: %d, cs_fence: %d\n",
2748                   sf_fence, vfe_fence, cs_fence);
2749         if (gs_fence < vs_fence)
2750                 fprintf(out, "gs fence < vs fence!\n");
2751         if (clip_fence < gs_fence)
2752                 fprintf(out, "clip fence < gs fence!\n");
2753         if (sf_fence < clip_fence)
2754                 fprintf(out, "sf fence < clip fence!\n");
2755         if (cs_fence < sf_fence)
2756                 fprintf(out, "cs fence < sf fence!\n");
2757
2758         return len;
2759 }
2760
2761 static void
2762 state_base_out(struct drm_intel_decode *ctx, unsigned int index,
2763                const char *name)
2764 {
2765         if (ctx->data[index] & 1) {
2766                 instr_out(ctx, index,
2767                           "%s state base address 0x%08x\n", name,
2768                           ctx->data[index] & ~1);
2769         } else {
2770                 instr_out(ctx, index, "%s state base not updated\n",
2771                           name);
2772         }
2773 }
2774
2775 static void
2776 state_max_out(struct drm_intel_decode *ctx, unsigned int index,
2777               const char *name)
2778 {
2779         if (ctx->data[index] & 1) {
2780                 if (ctx->data[index] == 1) {
2781                         instr_out(ctx, index,
2782                                   "%s state upper bound disabled\n", name);
2783                 } else {
2784                         instr_out(ctx, index,
2785                                   "%s state upper bound 0x%08x\n", name,
2786                                   ctx->data[index] & ~1);
2787                 }
2788         } else {
2789                 instr_out(ctx, index,
2790                           "%s state upper bound not updated\n", name);
2791         }
2792 }
2793
2794 static int
2795 gen7_3DSTATE_VIEWPORT_STATE_POINTERS_CC(struct drm_intel_decode *ctx)
2796 {
2797         instr_out(ctx, 0, "3DSTATE_VIEWPORT_STATE_POINTERS_CC\n");
2798         instr_out(ctx, 1, "pointer to CC viewport\n");
2799
2800         return 2;
2801 }
2802
2803 static int
2804 gen7_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP(struct drm_intel_decode *ctx)
2805 {
2806         instr_out(ctx, 0, "3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP\n");
2807         instr_out(ctx, 1, "pointer to SF_CLIP viewport\n");
2808
2809         return 2;
2810 }
2811
2812 static int
2813 gen7_3DSTATE_BLEND_STATE_POINTERS(struct drm_intel_decode *ctx)
2814 {
2815         instr_out(ctx, 0, "3DSTATE_BLEND_STATE_POINTERS\n");
2816         instr_out(ctx, 1, "pointer to BLEND_STATE at 0x%08x (%s)\n",
2817                   ctx->data[1] & ~1,
2818                   (ctx->data[1] & 1) ? "changed" : "unchanged");
2819
2820         return 2;
2821 }
2822
2823 static int
2824 gen7_3DSTATE_DEPTH_STENCIL_STATE_POINTERS(struct drm_intel_decode *ctx)
2825 {
2826         instr_out(ctx, 0, "3DSTATE_DEPTH_STENCIL_STATE_POINTERS\n");
2827         instr_out(ctx, 1,
2828                   "pointer to DEPTH_STENCIL_STATE at 0x%08x (%s)\n",
2829                   ctx->data[1] & ~1,
2830                   (ctx->data[1] & 1) ? "changed" : "unchanged");
2831
2832         return 2;
2833 }
2834
2835 static int
2836 gen7_3DSTATE_HIER_DEPTH_BUFFER(struct drm_intel_decode *ctx)
2837 {
2838         instr_out(ctx, 0, "3DSTATE_HIER_DEPTH_BUFFER\n");
2839         instr_out(ctx, 1, "pitch %db\n",
2840                   (ctx->data[1] & 0x1ffff) + 1);
2841         instr_out(ctx, 2, "pointer to HiZ buffer\n");
2842
2843         return 3;
2844 }
2845
2846 static int
2847 gen6_3DSTATE_CC_STATE_POINTERS(struct drm_intel_decode *ctx)
2848 {
2849         instr_out(ctx, 0, "3DSTATE_CC_STATE_POINTERS\n");
2850         instr_out(ctx, 1, "blend change %d\n", ctx->data[1] & 1);
2851         instr_out(ctx, 2, "depth stencil change %d\n",
2852                   ctx->data[2] & 1);
2853         instr_out(ctx, 3, "cc change %d\n", ctx->data[3] & 1);
2854
2855         return 4;
2856 }
2857
2858 static int
2859 gen7_3DSTATE_CC_STATE_POINTERS(struct drm_intel_decode *ctx)
2860 {
2861         instr_out(ctx, 0, "3DSTATE_CC_STATE_POINTERS\n");
2862         instr_out(ctx, 1, "pointer to COLOR_CALC_STATE at 0x%08x "
2863                   "(%s)\n",
2864                   ctx->data[1] & ~1,
2865                   (ctx->data[1] & 1) ? "changed" : "unchanged");
2866
2867         return 2;
2868 }
2869
2870 static int
2871 gen7_3DSTATE_URB_unit(struct drm_intel_decode *ctx, const char *unit)
2872 {
2873     int start_kb = ((ctx->data[1] >> 25) & 0x3f) * 8;
2874     /* the field is # of 512-bit rows - 1, we print bytes */
2875     int entry_size = (((ctx->data[1] >> 16) & 0x1ff) + 1);
2876     int nr_entries = ctx->data[1] & 0xffff;
2877
2878     instr_out(ctx, 0, "3DSTATE_URB_%s\n", unit);
2879     instr_out(ctx, 1,
2880               "%dKB start, size=%d 64B rows, nr_entries=%d, total size %dB\n",
2881               start_kb, entry_size, nr_entries, nr_entries * 64 * entry_size);
2882
2883     return 2;
2884 }
2885
2886 static int
2887 gen7_3DSTATE_URB_VS(struct drm_intel_decode *ctx)
2888 {
2889         return gen7_3DSTATE_URB_unit(ctx, "VS");
2890 }
2891
2892 static int
2893 gen7_3DSTATE_URB_HS(struct drm_intel_decode *ctx)
2894 {
2895         return gen7_3DSTATE_URB_unit(ctx, "HS");
2896 }
2897
2898 static int
2899 gen7_3DSTATE_URB_DS(struct drm_intel_decode *ctx)
2900 {
2901         return gen7_3DSTATE_URB_unit(ctx, "DS");
2902 }
2903
2904 static int
2905 gen7_3DSTATE_URB_GS(struct drm_intel_decode *ctx)
2906 {
2907         return gen7_3DSTATE_URB_unit(ctx, "GS");
2908 }
2909
2910 static int
2911 gen7_3DSTATE_CONSTANT(struct drm_intel_decode *ctx, const char *unit)
2912 {
2913         int rlen[4];
2914
2915         rlen[0] = (ctx->data[1] >> 0) & 0xffff;
2916         rlen[1] = (ctx->data[1] >> 16) & 0xffff;
2917         rlen[2] = (ctx->data[2] >> 0) & 0xffff;
2918         rlen[3] = (ctx->data[2] >> 16) & 0xffff;
2919
2920         instr_out(ctx, 0, "3DSTATE_CONSTANT_%s\n", unit);
2921         instr_out(ctx, 1, "len 0 = %d, len 1 = %d\n", rlen[0], rlen[1]);
2922         instr_out(ctx, 2, "len 2 = %d, len 3 = %d\n", rlen[2], rlen[3]);
2923         instr_out(ctx, 3, "pointer to constbuf 0\n");
2924         instr_out(ctx, 4, "pointer to constbuf 1\n");
2925         instr_out(ctx, 5, "pointer to constbuf 2\n");
2926         instr_out(ctx, 6, "pointer to constbuf 3\n");
2927
2928         return 7;
2929 }
2930
2931 static int
2932 gen7_3DSTATE_CONSTANT_VS(struct drm_intel_decode *ctx)
2933 {
2934         return gen7_3DSTATE_CONSTANT(ctx, "VS");
2935 }
2936
2937 static int
2938 gen7_3DSTATE_CONSTANT_GS(struct drm_intel_decode *ctx)
2939 {
2940         return gen7_3DSTATE_CONSTANT(ctx, "GS");
2941 }
2942
2943 static int
2944 gen7_3DSTATE_CONSTANT_PS(struct drm_intel_decode *ctx)
2945 {
2946         return gen7_3DSTATE_CONSTANT(ctx, "PS");
2947 }
2948
2949 static int
2950 gen7_3DSTATE_CONSTANT_DS(struct drm_intel_decode *ctx)
2951 {
2952         return gen7_3DSTATE_CONSTANT(ctx, "DS");
2953 }
2954
2955 static int
2956 gen7_3DSTATE_CONSTANT_HS(struct drm_intel_decode *ctx)
2957 {
2958         return gen7_3DSTATE_CONSTANT(ctx, "HS");
2959 }
2960
2961
2962 static int
2963 gen6_3DSTATE_WM(struct drm_intel_decode *ctx)
2964 {
2965         instr_out(ctx, 0, "3DSTATE_WM\n");
2966         instr_out(ctx, 1, "kernel start pointer 0\n");
2967         instr_out(ctx, 2,
2968                   "SPF=%d, VME=%d, Sampler Count %d, "
2969                   "Binding table count %d\n",
2970                   (ctx->data[2] >> 31) & 1,
2971                   (ctx->data[2] >> 30) & 1,
2972                   (ctx->data[2] >> 27) & 7,
2973                   (ctx->data[2] >> 18) & 0xff);
2974         instr_out(ctx, 3, "scratch offset\n");
2975         instr_out(ctx, 4,
2976                   "Depth Clear %d, Depth Resolve %d, HiZ Resolve %d, "
2977                   "Dispatch GRF start[0] %d, start[1] %d, start[2] %d\n",
2978                   (ctx->data[4] & (1 << 30)) != 0,
2979                   (ctx->data[4] & (1 << 28)) != 0,
2980                   (ctx->data[4] & (1 << 27)) != 0,
2981                   (ctx->data[4] >> 16) & 0x7f,
2982                   (ctx->data[4] >> 8) & 0x7f,
2983                   (ctx->data[4] & 0x7f));
2984         instr_out(ctx, 5,
2985                   "MaxThreads %d, PS KillPixel %d, PS computed Z %d, "
2986                   "PS use sourceZ %d, Thread Dispatch %d, PS use sourceW %d, "
2987                   "Dispatch32 %d, Dispatch16 %d, Dispatch8 %d\n",
2988                   ((ctx->data[5] >> 25) & 0x7f) + 1,
2989                   (ctx->data[5] & (1 << 22)) != 0,
2990                   (ctx->data[5] & (1 << 21)) != 0,
2991                   (ctx->data[5] & (1 << 20)) != 0,
2992                   (ctx->data[5] & (1 << 19)) != 0,
2993                   (ctx->data[5] & (1 << 8)) != 0,
2994                   (ctx->data[5] & (1 << 2)) != 0,
2995                   (ctx->data[5] & (1 << 1)) != 0,
2996                   (ctx->data[5] & (1 << 0)) != 0);
2997         instr_out(ctx, 6,
2998                   "Num SF output %d, Pos XY offset %d, ZW interp mode %d , "
2999                   "Barycentric interp mode 0x%x, Point raster rule %d, "
3000                   "Multisample mode %d, "
3001                   "Multisample Dispatch mode %d\n",
3002                   (ctx->data[6] >> 20) & 0x3f,
3003                   (ctx->data[6] >> 18) & 3,
3004                   (ctx->data[6] >> 16) & 3,
3005                   (ctx->data[6] >> 10) & 0x3f,
3006                   (ctx->data[6] & (1 << 9)) != 0,
3007                   (ctx->data[6] >> 1) & 3,
3008                   (ctx->data[6] & 1));
3009         instr_out(ctx, 7, "kernel start pointer 1\n");
3010         instr_out(ctx, 8, "kernel start pointer 2\n");
3011
3012         return 9;
3013 }
3014
3015 static int
3016 gen7_3DSTATE_WM(struct drm_intel_decode *ctx)
3017 {
3018         const char *computed_depth = "";
3019         const char *early_depth = "";
3020         const char *zw_interp = "";
3021
3022         switch ((ctx->data[1] >> 23) & 0x3) {
3023         case 0:
3024                 computed_depth = "";
3025                 break;
3026         case 1:
3027                 computed_depth = "computed depth";
3028                 break;
3029         case 2:
3030                 computed_depth = "computed depth >=";
3031                 break;
3032         case 3:
3033                 computed_depth = "computed depth <=";
3034                 break;
3035         }
3036
3037         switch ((ctx->data[1] >> 21) & 0x3) {
3038         case 0:
3039                 early_depth = "";
3040                 break;
3041         case 1:
3042                 early_depth = ", EDSC_PSEXEC";
3043                 break;
3044         case 2:
3045                 early_depth = ", EDSC_PREPS";
3046                 break;
3047         case 3:
3048                 early_depth = ", BAD EDSC";
3049                 break;
3050         }
3051
3052         switch ((ctx->data[1] >> 17) & 0x3) {
3053         case 0:
3054                 early_depth = "";
3055                 break;
3056         case 1:
3057                 early_depth = ", BAD ZW interp";
3058                 break;
3059         case 2:
3060                 early_depth = ", ZW centroid";
3061                 break;
3062         case 3:
3063                 early_depth = ", ZW sample";
3064                 break;
3065         }
3066
3067         instr_out(ctx, 0, "3DSTATE_WM\n");
3068         instr_out(ctx, 1, "(%s%s%s%s%s%s)%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
3069                   (ctx->data[1] & (1 << 11)) ? "PP " : "",
3070                   (ctx->data[1] & (1 << 12)) ? "PC " : "",
3071                   (ctx->data[1] & (1 << 13)) ? "PS " : "",
3072                   (ctx->data[1] & (1 << 14)) ? "NPP " : "",
3073                   (ctx->data[1] & (1 << 15)) ? "NPC " : "",
3074                   (ctx->data[1] & (1 << 16)) ? "NPS " : "",
3075                   (ctx->data[1] & (1 << 30)) ? ", depth clear" : "",
3076                   (ctx->data[1] & (1 << 29)) ? "" : ", disabled",
3077                   (ctx->data[1] & (1 << 28)) ? ", depth resolve" : "",
3078                   (ctx->data[1] & (1 << 27)) ? ", hiz resolve" : "",
3079                   (ctx->data[1] & (1 << 25)) ? ", kill" : "",
3080                   computed_depth,
3081                   early_depth,
3082                   zw_interp,
3083                   (ctx->data[1] & (1 << 20)) ? ", source depth" : "",
3084                   (ctx->data[1] & (1 << 19)) ? ", source W" : "",
3085                   (ctx->data[1] & (1 << 10)) ? ", coverage" : "",
3086                   (ctx->data[1] & (1 << 4)) ? ", poly stipple" : "",
3087                   (ctx->data[1] & (1 << 3)) ? ", line stipple" : "",
3088                   (ctx->data[1] & (1 << 2)) ? ", point UL" : ", point UR"
3089                   );
3090         instr_out(ctx, 2, "MS\n");
3091
3092         return 3;
3093 }
3094
3095 static int
3096 gen4_3DPRIMITIVE(struct drm_intel_decode *ctx)
3097 {
3098         instr_out(ctx, 0,
3099                   "3DPRIMITIVE: %s %s\n",
3100                   get_965_prim_type((ctx->data[0] >> 10) & 0x1f),
3101                   (ctx->data[0] & (1 << 15)) ? "random" : "sequential");
3102         instr_out(ctx, 1, "vertex count\n");
3103         instr_out(ctx, 2, "start vertex\n");
3104         instr_out(ctx, 3, "instance count\n");
3105         instr_out(ctx, 4, "start instance\n");
3106         instr_out(ctx, 5, "index bias\n");
3107
3108         return 6;
3109 }
3110
3111 static int
3112 gen7_3DPRIMITIVE(struct drm_intel_decode *ctx)
3113 {
3114         bool indirect = !!(ctx->data[0] & (1 << 10));
3115
3116         instr_out(ctx, 0,
3117                   "3DPRIMITIVE: %s%s\n",
3118                   indirect ? " indirect" : "",
3119                   (ctx->data[0] & (1 << 8)) ? " predicated" : "");
3120         instr_out(ctx, 1, "%s %s\n",
3121                   get_965_prim_type(ctx->data[1] & 0x3f),
3122                   (ctx->data[1] & (1 << 8)) ? "random" : "sequential");
3123         instr_out(ctx, 2, indirect ? "ignored" : "vertex count\n");
3124         instr_out(ctx, 3, indirect ? "ignored" : "start vertex\n");
3125         instr_out(ctx, 4, indirect ? "ignored" : "instance count\n");
3126         instr_out(ctx, 5, indirect ? "ignored" : "start instance\n");
3127         instr_out(ctx, 6, indirect ? "ignored" : "index bias\n");
3128
3129         return 7;
3130 }
3131
3132 static int
3133 decode_3d_965(struct drm_intel_decode *ctx)
3134 {
3135         uint32_t opcode;
3136         unsigned int len;
3137         unsigned int i, j, sba_len;
3138         const char *desc1 = NULL;
3139         uint32_t *data = ctx->data;
3140         uint32_t devid = ctx->devid;
3141
3142         struct {
3143                 uint32_t opcode;
3144                 uint32_t len_mask;
3145                 int unsigned min_len;
3146                 int unsigned max_len;
3147                 const char *name;
3148                 int gen;
3149                 int (*func)(struct drm_intel_decode *ctx);
3150         } opcodes_3d[] = {
3151                 { 0x6000, 0x00ff, 3, 3, "URB_FENCE" },
3152                 { 0x6001, 0xffff, 2, 2, "CS_URB_STATE" },
3153                 { 0x6002, 0x00ff, 2, 2, "CONSTANT_BUFFER" },
3154                 { 0x6101, 0xffff, 6, 10, "STATE_BASE_ADDRESS" },
3155                 { 0x6102, 0xffff, 2, 2, "STATE_SIP" },
3156                 { 0x6104, 0xffff, 1, 1, "3DSTATE_PIPELINE_SELECT" },
3157                 { 0x680b, 0xffff, 1, 1, "3DSTATE_VF_STATISTICS" },
3158                 { 0x6904, 0xffff, 1, 1, "3DSTATE_PIPELINE_SELECT" },
3159                 { 0x7800, 0xffff, 7, 7, "3DSTATE_PIPELINED_POINTERS" },
3160                 { 0x7801, 0x00ff, 4, 6, "3DSTATE_BINDING_TABLE_POINTERS" },
3161                 { 0x7802, 0x00ff, 4, 4, "3DSTATE_SAMPLER_STATE_POINTERS" },
3162                 { 0x7805, 0x00ff, 7, 7, "3DSTATE_DEPTH_BUFFER", 7 },
3163                 { 0x7805, 0x00ff, 3, 3, "3DSTATE_URB" },
3164                 { 0x7804, 0x00ff, 3, 3, "3DSTATE_CLEAR_PARAMS" },
3165                 { 0x7806, 0x00ff, 3, 3, "3DSTATE_STENCIL_BUFFER" },
3166                 { 0x790f, 0x00ff, 3, 3, "3DSTATE_HIER_DEPTH_BUFFER", 6 },
3167                 { 0x7807, 0x00ff, 3, 3, "3DSTATE_HIER_DEPTH_BUFFER", 7, gen7_3DSTATE_HIER_DEPTH_BUFFER },
3168                 { 0x7808, 0x00ff, 5, 257, "3DSTATE_VERTEX_BUFFERS" },
3169                 { 0x7809, 0x00ff, 3, 256, "3DSTATE_VERTEX_ELEMENTS" },
3170                 { 0x780a, 0x00ff, 3, 3, "3DSTATE_INDEX_BUFFER" },
3171                 { 0x780b, 0xffff, 1, 1, "3DSTATE_VF_STATISTICS" },
3172                 { 0x780d, 0x00ff, 4, 4, "3DSTATE_VIEWPORT_STATE_POINTERS" },
3173                 { 0x780e, 0xffff, 4, 4, NULL, 6, gen6_3DSTATE_CC_STATE_POINTERS },
3174                 { 0x780e, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_CC_STATE_POINTERS },
3175                 { 0x780f, 0x00ff, 2, 2, "3DSTATE_SCISSOR_POINTERS" },
3176                 { 0x7810, 0x00ff, 6, 6, "3DSTATE_VS" },
3177                 { 0x7811, 0x00ff, 7, 7, "3DSTATE_GS" },
3178                 { 0x7812, 0x00ff, 4, 4, "3DSTATE_CLIP" },
3179                 { 0x7813, 0x00ff, 20, 20, "3DSTATE_SF", 6 },
3180                 { 0x7813, 0x00ff, 7, 7, "3DSTATE_SF", 7 },
3181                 { 0x7814, 0x00ff, 3, 3, "3DSTATE_WM", 7, gen7_3DSTATE_WM },
3182                 { 0x7814, 0x00ff, 9, 9, "3DSTATE_WM", 6, gen6_3DSTATE_WM },
3183                 { 0x7815, 0x00ff, 5, 5, "3DSTATE_CONSTANT_VS_STATE", 6 },
3184                 { 0x7815, 0x00ff, 7, 7, "3DSTATE_CONSTANT_VS", 7, gen7_3DSTATE_CONSTANT_VS },
3185                 { 0x7816, 0x00ff, 5, 5, "3DSTATE_CONSTANT_GS_STATE", 6 },
3186                 { 0x7816, 0x00ff, 7, 7, "3DSTATE_CONSTANT_GS", 7, gen7_3DSTATE_CONSTANT_GS },
3187                 { 0x7817, 0x00ff, 5, 5, "3DSTATE_CONSTANT_PS_STATE", 6 },
3188                 { 0x7817, 0x00ff, 7, 7, "3DSTATE_CONSTANT_PS", 7, gen7_3DSTATE_CONSTANT_PS },
3189                 { 0x7818, 0xffff, 2, 2, "3DSTATE_SAMPLE_MASK" },
3190                 { 0x7819, 0x00ff, 7, 7, "3DSTATE_CONSTANT_HS", 7, gen7_3DSTATE_CONSTANT_HS },
3191                 { 0x781a, 0x00ff, 7, 7, "3DSTATE_CONSTANT_DS", 7, gen7_3DSTATE_CONSTANT_DS },
3192                 { 0x781b, 0x00ff, 7, 7, "3DSTATE_HS" },
3193                 { 0x781c, 0x00ff, 4, 4, "3DSTATE_TE" },
3194                 { 0x781d, 0x00ff, 6, 6, "3DSTATE_DS" },
3195                 { 0x781e, 0x00ff, 3, 3, "3DSTATE_STREAMOUT" },
3196                 { 0x781f, 0x00ff, 14, 14, "3DSTATE_SBE" },
3197                 { 0x7820, 0x00ff, 8, 8, "3DSTATE_PS" },
3198                 { 0x7821, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP },
3199                 { 0x7823, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_VIEWPORT_STATE_POINTERS_CC },
3200                 { 0x7824, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_BLEND_STATE_POINTERS },
3201                 { 0x7825, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_DEPTH_STENCIL_STATE_POINTERS },
3202                 { 0x7826, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_VS" },
3203                 { 0x7827, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_HS" },
3204                 { 0x7828, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_DS" },
3205                 { 0x7829, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_GS" },
3206                 { 0x782a, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_PS" },
3207                 { 0x782b, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_VS" },
3208                 { 0x782c, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_HS" },
3209                 { 0x782d, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_DS" },
3210                 { 0x782e, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_GS" },
3211                 { 0x782f, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_PS" },
3212                 { 0x7830, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_VS },
3213                 { 0x7831, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_HS },
3214                 { 0x7832, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_DS },
3215                 { 0x7833, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_GS },
3216                 { 0x7900, 0xffff, 4, 4, "3DSTATE_DRAWING_RECTANGLE" },
3217                 { 0x7901, 0xffff, 5, 5, "3DSTATE_CONSTANT_COLOR" },
3218                 { 0x7905, 0xffff, 5, 7, "3DSTATE_DEPTH_BUFFER" },
3219                 { 0x7906, 0xffff, 2, 2, "3DSTATE_POLY_STIPPLE_OFFSET" },
3220                 { 0x7907, 0xffff, 33, 33, "3DSTATE_POLY_STIPPLE_PATTERN" },
3221                 { 0x7908, 0xffff, 3, 3, "3DSTATE_LINE_STIPPLE" },
3222                 { 0x7909, 0xffff, 2, 2, "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP" },
3223                 { 0x7909, 0xffff, 2, 2, "3DSTATE_CLEAR_PARAMS" },
3224                 { 0x790a, 0xffff, 3, 3, "3DSTATE_AA_LINE_PARAMETERS" },
3225                 { 0x790b, 0xffff, 4, 4, "3DSTATE_GS_SVB_INDEX" },
3226                 { 0x790d, 0xffff, 3, 3, "3DSTATE_MULTISAMPLE", 6 },
3227                 { 0x790d, 0xffff, 4, 4, "3DSTATE_MULTISAMPLE", 7 },
3228                 { 0x7910, 0x00ff, 2, 2, "3DSTATE_CLEAR_PARAMS" },
3229                 { 0x7912, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_VS" },
3230                 { 0x7913, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_HS" },
3231                 { 0x7914, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_DS" },
3232                 { 0x7915, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_GS" },
3233                 { 0x7916, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_PS" },
3234                 { 0x7917, 0x00ff, 2, 2+128*2, "3DSTATE_SO_DECL_LIST" },
3235                 { 0x7918, 0x00ff, 4, 4, "3DSTATE_SO_BUFFER" },
3236                 { 0x7a00, 0x00ff, 4, 6, "PIPE_CONTROL" },
3237                 { 0x7b00, 0x00ff, 7, 7, NULL, 7, gen7_3DPRIMITIVE },
3238                 { 0x7b00, 0x00ff, 6, 6, NULL, 0, gen4_3DPRIMITIVE },
3239         }, *opcode_3d = NULL;
3240
3241         opcode = (data[0] & 0xffff0000) >> 16;
3242
3243         for (i = 0; i < ARRAY_SIZE(opcodes_3d); i++) {
3244                 if (opcode != opcodes_3d[i].opcode)
3245                         continue;
3246
3247                 /* If it's marked as not our gen, skip. */
3248                 if (opcodes_3d[i].gen && opcodes_3d[i].gen != ctx->gen)
3249                         continue;
3250
3251                 opcode_3d = &opcodes_3d[i];
3252                 break;
3253         }
3254
3255         if (opcode_3d) {
3256                 if (opcode_3d->max_len == 1)
3257                         len = 1;
3258                 else
3259                         len = (data[0] & opcode_3d->len_mask) + 2;
3260
3261                 if (len < opcode_3d->min_len ||
3262                     len > opcode_3d->max_len) {
3263                         fprintf(out, "Bad length %d in %s, expected %d-%d\n",
3264                                 len, opcode_3d->name,
3265                                 opcode_3d->min_len, opcode_3d->max_len);
3266                 }
3267         } else {
3268                 len = (data[0] & 0x0000ffff) + 2;
3269         }
3270
3271         switch (opcode) {
3272         case 0x6000:
3273                 return i965_decode_urb_fence(ctx, len);
3274         case 0x6001:
3275                 instr_out(ctx, 0, "CS_URB_STATE\n");
3276                 instr_out(ctx, 1,
3277                           "entry_size: %d [%d bytes], n_entries: %d\n",
3278                           (data[1] >> 4) & 0x1f,
3279                           (((data[1] >> 4) & 0x1f) + 1) * 64, data[1] & 0x7);
3280                 return len;
3281         case 0x6002:
3282                 instr_out(ctx, 0, "CONSTANT_BUFFER: %s\n",
3283                           (data[0] >> 8) & 1 ? "valid" : "invalid");
3284                 instr_out(ctx, 1,
3285                           "offset: 0x%08x, length: %d bytes\n", data[1] & ~0x3f,
3286                           ((data[1] & 0x3f) + 1) * 64);
3287                 return len;
3288         case 0x6101:
3289                 i = 0;
3290                 instr_out(ctx, 0, "STATE_BASE_ADDRESS\n");
3291                 i++;
3292
3293                 if (IS_GEN6(devid) || IS_GEN7(devid))
3294                         sba_len = 10;
3295                 else if (IS_GEN5(devid))
3296                         sba_len = 8;
3297                 else
3298                         sba_len = 6;
3299                 if (len != sba_len)
3300                         fprintf(out, "Bad count in STATE_BASE_ADDRESS\n");
3301
3302                 state_base_out(ctx, i++, "general");
3303                 state_base_out(ctx, i++, "surface");
3304                 if (IS_GEN6(devid) || IS_GEN7(devid))
3305                         state_base_out(ctx, i++, "dynamic");
3306                 state_base_out(ctx, i++, "indirect");
3307                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
3308                         state_base_out(ctx, i++, "instruction");
3309
3310                 state_max_out(ctx, i++, "general");
3311                 if (IS_GEN6(devid) || IS_GEN7(devid))
3312                         state_max_out(ctx, i++, "dynamic");
3313                 state_max_out(ctx, i++, "indirect");
3314                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
3315                         state_max_out(ctx, i++, "instruction");
3316
3317                 return len;
3318         case 0x7800:
3319                 instr_out(ctx, 0, "3DSTATE_PIPELINED_POINTERS\n");
3320                 instr_out(ctx, 1, "VS state\n");
3321                 instr_out(ctx, 2, "GS state\n");
3322                 instr_out(ctx, 3, "Clip state\n");
3323                 instr_out(ctx, 4, "SF state\n");
3324                 instr_out(ctx, 5, "WM state\n");
3325                 instr_out(ctx, 6, "CC state\n");
3326                 return len;
3327         case 0x7801:
3328                 if (len != 6 && len != 4)
3329                         fprintf(out,
3330                                 "Bad count in 3DSTATE_BINDING_TABLE_POINTERS\n");
3331                 if (len == 6) {
3332                         instr_out(ctx, 0,
3333                                   "3DSTATE_BINDING_TABLE_POINTERS\n");
3334                         instr_out(ctx, 1, "VS binding table\n");
3335                         instr_out(ctx, 2, "GS binding table\n");
3336                         instr_out(ctx, 3, "Clip binding table\n");
3337                         instr_out(ctx, 4, "SF binding table\n");
3338                         instr_out(ctx, 5, "WM binding table\n");
3339                 } else {
3340                         instr_out(ctx, 0,
3341                                   "3DSTATE_BINDING_TABLE_POINTERS: VS mod %d, "
3342                                   "GS mod %d, PS mod %d\n",
3343                                   (data[0] & (1 << 8)) != 0,
3344                                   (data[0] & (1 << 9)) != 0,
3345                                   (data[0] & (1 << 12)) != 0);
3346                         instr_out(ctx, 1, "VS binding table\n");
3347                         instr_out(ctx, 2, "GS binding table\n");
3348                         instr_out(ctx, 3, "WM binding table\n");
3349                 }
3350
3351                 return len;
3352         case 0x7802:
3353                 instr_out(ctx, 0,
3354                           "3DSTATE_SAMPLER_STATE_POINTERS: VS mod %d, "
3355                           "GS mod %d, PS mod %d\n", (data[0] & (1 << 8)) != 0,
3356                           (data[0] & (1 << 9)) != 0,
3357                           (data[0] & (1 << 12)) != 0);
3358                 instr_out(ctx, 1, "VS sampler state\n");
3359                 instr_out(ctx, 2, "GS sampler state\n");
3360                 instr_out(ctx, 3, "WM sampler state\n");
3361                 return len;
3362         case 0x7805:
3363                 /* Actually 3DSTATE_DEPTH_BUFFER on gen7. */
3364                 if (ctx->gen == 7)
3365                         break;
3366
3367                 instr_out(ctx, 0, "3DSTATE_URB\n");
3368                 instr_out(ctx, 1,
3369                           "VS entries %d, alloc size %d (1024bit row)\n",
3370                           data[1] & 0xffff, ((data[1] >> 16) & 0x07f) + 1);
3371                 instr_out(ctx, 2,
3372                           "GS entries %d, alloc size %d (1024bit row)\n",
3373                           (data[2] >> 8) & 0x3ff, (data[2] & 7) + 1);
3374                 return len;
3375
3376         case 0x7808:
3377                 if ((len - 1) % 4 != 0)
3378                         fprintf(out, "Bad count in 3DSTATE_VERTEX_BUFFERS\n");
3379                 instr_out(ctx, 0, "3DSTATE_VERTEX_BUFFERS\n");
3380
3381                 for (i = 1; i < len;) {
3382                         int idx, access;
3383                         if (IS_GEN6(devid)) {
3384                                 idx = 26;
3385                                 access = 20;
3386                         } else {
3387                                 idx = 27;
3388                                 access = 26;
3389                         }
3390                         instr_out(ctx, i,
3391                                   "buffer %d: %s, pitch %db\n", data[i] >> idx,
3392                                   data[i] & (1 << access) ? "random" :
3393                                   "sequential", data[i] & 0x07ff);
3394                         i++;
3395                         instr_out(ctx, i++, "buffer address\n");
3396                         instr_out(ctx, i++, "max index\n");
3397                         instr_out(ctx, i++, "mbz\n");
3398                 }
3399                 return len;
3400
3401         case 0x7809:
3402                 if ((len + 1) % 2 != 0)
3403                         fprintf(out, "Bad count in 3DSTATE_VERTEX_ELEMENTS\n");
3404                 instr_out(ctx, 0, "3DSTATE_VERTEX_ELEMENTS\n");
3405
3406                 for (i = 1; i < len;) {
3407                         instr_out(ctx, i,
3408                                   "buffer %d: %svalid, type 0x%04x, "
3409                                   "src offset 0x%04x bytes\n",
3410                                   data[i] >> ((IS_GEN6(devid) || IS_GEN7(devid)) ? 26 : 27),
3411                                   data[i] & (1 << ((IS_GEN6(devid) || IS_GEN7(devid)) ? 25 : 26)) ?
3412                                   "" : "in", (data[i] >> 16) & 0x1ff,
3413                                   data[i] & 0x07ff);
3414                         i++;
3415                         instr_out(ctx, i, "(%s, %s, %s, %s), "
3416                                   "dst offset 0x%02x bytes\n",
3417                                   get_965_element_component(data[i], 0),
3418                                   get_965_element_component(data[i], 1),
3419                                   get_965_element_component(data[i], 2),
3420                                   get_965_element_component(data[i], 3),
3421                                   (data[i] & 0xff) * 4);
3422                         i++;
3423                 }
3424                 return len;
3425
3426         case 0x780d:
3427                 instr_out(ctx, 0,
3428                           "3DSTATE_VIEWPORT_STATE_POINTERS\n");
3429                 instr_out(ctx, 1, "clip\n");
3430                 instr_out(ctx, 2, "sf\n");
3431                 instr_out(ctx, 3, "cc\n");
3432                 return len;
3433
3434         case 0x780a:
3435                 instr_out(ctx, 0, "3DSTATE_INDEX_BUFFER\n");
3436                 instr_out(ctx, 1, "beginning buffer address\n");
3437                 instr_out(ctx, 2, "ending buffer address\n");
3438                 return len;
3439
3440         case 0x780f:
3441                 instr_out(ctx, 0, "3DSTATE_SCISSOR_POINTERS\n");
3442                 instr_out(ctx, 1, "scissor rect offset\n");
3443                 return len;
3444
3445         case 0x7810:
3446                 instr_out(ctx, 0, "3DSTATE_VS\n");
3447                 instr_out(ctx, 1, "kernel pointer\n");
3448                 instr_out(ctx, 2,
3449                           "SPF=%d, VME=%d, Sampler Count %d, "
3450                           "Binding table count %d\n", (data[2] >> 31) & 1,
3451                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3452                           (data[2] >> 18) & 0xff);
3453                 instr_out(ctx, 3, "scratch offset\n");
3454                 instr_out(ctx, 4,
3455                           "Dispatch GRF start %d, VUE read length %d, "
3456                           "VUE read offset %d\n", (data[4] >> 20) & 0x1f,
3457                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3458                 instr_out(ctx, 5,
3459                           "Max Threads %d, Vertex Cache %sable, "
3460                           "VS func %sable\n", ((data[5] >> 25) & 0x7f) + 1,
3461                           (data[5] & (1 << 1)) != 0 ? "dis" : "en",
3462                           (data[5] & 1) != 0 ? "en" : "dis");
3463                 return len;
3464
3465         case 0x7811:
3466                 instr_out(ctx, 0, "3DSTATE_GS\n");
3467                 instr_out(ctx, 1, "kernel pointer\n");
3468                 instr_out(ctx, 2,
3469                           "SPF=%d, VME=%d, Sampler Count %d, "
3470                           "Binding table count %d\n", (data[2] >> 31) & 1,
3471                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3472                           (data[2] >> 18) & 0xff);
3473                 instr_out(ctx, 3, "scratch offset\n");
3474                 instr_out(ctx, 4,
3475                           "Dispatch GRF start %d, VUE read length %d, "
3476                           "VUE read offset %d\n", (data[4] & 0xf),
3477                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3478                 instr_out(ctx, 5,
3479                           "Max Threads %d, Rendering %sable\n",
3480                           ((data[5] >> 25) & 0x7f) + 1,
3481                           (data[5] & (1 << 8)) != 0 ? "en" : "dis");
3482                 instr_out(ctx, 6,
3483                           "Reorder %sable, Discard Adjaceny %sable, "
3484                           "GS %sable\n",
3485                           (data[6] & (1 << 30)) != 0 ? "en" : "dis",
3486                           (data[6] & (1 << 29)) != 0 ? "en" : "dis",
3487                           (data[6] & (1 << 15)) != 0 ? "en" : "dis");
3488                 return len;
3489
3490         case 0x7812:
3491                 instr_out(ctx, 0, "3DSTATE_CLIP\n");
3492                 instr_out(ctx, 1,
3493                           "UserClip distance cull test mask 0x%x\n",
3494                           data[1] & 0xff);
3495                 instr_out(ctx, 2,
3496                           "Clip %sable, API mode %s, Viewport XY test %sable, "
3497                           "Viewport Z test %sable, Guardband test %sable, Clip mode %d, "
3498                           "Perspective Divide %sable, Non-Perspective Barycentric %sable, "
3499                           "Tri Provoking %d, Line Provoking %d, Trifan Provoking %d\n",
3500                           (data[2] & (1 << 31)) != 0 ? "en" : "dis",
3501                           (data[2] & (1 << 30)) != 0 ? "D3D" : "OGL",
3502                           (data[2] & (1 << 28)) != 0 ? "en" : "dis",
3503                           (data[2] & (1 << 27)) != 0 ? "en" : "dis",
3504                           (data[2] & (1 << 26)) != 0 ? "en" : "dis",
3505                           (data[2] >> 13) & 7,
3506                           (data[2] & (1 << 9)) != 0 ? "dis" : "en",
3507                           (data[2] & (1 << 8)) != 0 ? "en" : "dis",
3508                           (data[2] >> 4) & 3, (data[2] >> 2) & 3,
3509                           (data[2] & 3));
3510                 instr_out(ctx, 3,
3511                           "Min PointWidth %d, Max PointWidth %d, "
3512                           "Force Zero RTAIndex %sable, Max VPIndex %d\n",
3513                           (data[3] >> 17) & 0x7ff, (data[3] >> 6) & 0x7ff,
3514                           (data[3] & (1 << 5)) != 0 ? "en" : "dis",
3515                           (data[3] & 0xf));
3516                 return len;
3517
3518         case 0x7813:
3519                 if (ctx->gen == 7)
3520                         break;
3521
3522                 instr_out(ctx, 0, "3DSTATE_SF\n");
3523                 instr_out(ctx, 1,
3524                           "Attrib Out %d, Attrib Swizzle %sable, VUE read length %d, "
3525                           "VUE read offset %d\n", (data[1] >> 22) & 0x3f,
3526                           (data[1] & (1 << 21)) != 0 ? "en" : "dis",
3527                           (data[1] >> 11) & 0x1f, (data[1] >> 4) & 0x3f);
3528                 instr_out(ctx, 2,
3529                           "Legacy Global DepthBias %sable, FrontFace fill %d, BF fill %d, "
3530                           "VP transform %sable, FrontWinding_%s\n",
3531                           (data[2] & (1 << 11)) != 0 ? "en" : "dis",
3532                           (data[2] >> 5) & 3, (data[2] >> 3) & 3,
3533                           (data[2] & (1 << 1)) != 0 ? "en" : "dis",
3534                           (data[2] & 1) != 0 ? "CCW" : "CW");
3535                 instr_out(ctx, 3,
3536                           "AA %sable, CullMode %d, Scissor %sable, Multisample m ode %d\n",
3537                           (data[3] & (1 << 31)) != 0 ? "en" : "dis",
3538                           (data[3] >> 29) & 3,
3539                           (data[3] & (1 << 11)) != 0 ? "en" : "dis",
3540                           (data[3] >> 8) & 3);
3541                 instr_out(ctx, 4,
3542                           "Last Pixel %sable, SubPixel Precision %d, Use PixelWidth %d\n",
3543                           (data[4] & (1 << 31)) != 0 ? "en" : "dis",
3544                           (data[4] & (1 << 12)) != 0 ? 4 : 8,
3545                           (data[4] & (1 << 11)) != 0);
3546                 instr_out(ctx, 5,
3547                           "Global Depth Offset Constant %f\n",
3548                           *(float *)(&data[5]));
3549                 instr_out(ctx, 6, "Global Depth Offset Scale %f\n",
3550                           *(float *)(&data[6]));
3551                 instr_out(ctx, 7, "Global Depth Offset Clamp %f\n",
3552                           *(float *)(&data[7]));
3553
3554                 for (i = 0, j = 0; i < 8; i++, j += 2)
3555                         instr_out(ctx, i + 8,
3556                                   "Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, "
3557                                   "Source %d); Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, Source %d)\n",
3558                                   j + 1,
3559                                   (data[8 + i] & (1 << 31)) != 0 ? "W" : "",
3560                                   (data[8 + i] & (1 << 30)) != 0 ? "Z" : "",
3561                                   (data[8 + i] & (1 << 29)) != 0 ? "Y" : "",
3562                                   (data[8 + i] & (1 << 28)) != 0 ? "X" : "",
3563                                   (data[8 + i] >> 25) & 3,
3564                                   (data[8 + i] >> 22) & 3,
3565                                   (data[8 + i] >> 16) & 0x1f, j,
3566                                   (data[8 + i] & (1 << 15)) != 0 ? "W" : "",
3567                                   (data[8 + i] & (1 << 14)) != 0 ? "Z" : "",
3568                                   (data[8 + i] & (1 << 13)) != 0 ? "Y" : "",
3569                                   (data[8 + i] & (1 << 12)) != 0 ? "X" : "",
3570                                   (data[8 + i] >> 9) & 3,
3571                                   (data[8 + i] >> 6) & 3, (data[8 + i] & 0x1f));
3572                 instr_out(ctx, 16,
3573                           "Point Sprite TexCoord Enable\n");
3574                 instr_out(ctx, 17, "Const Interp Enable\n");
3575                 instr_out(ctx, 18,
3576                           "Attrib 7-0 WrapShortest Enable\n");
3577                 instr_out(ctx, 19,
3578                           "Attrib 15-8 WrapShortest Enable\n");
3579
3580                 return len;
3581
3582         case 0x7900:
3583                 instr_out(ctx, 0, "3DSTATE_DRAWING_RECTANGLE\n");
3584                 instr_out(ctx, 1, "top left: %d,%d\n",
3585                           data[1] & 0xffff, (data[1] >> 16) & 0xffff);
3586                 instr_out(ctx, 2, "bottom right: %d,%d\n",
3587                           data[2] & 0xffff, (data[2] >> 16) & 0xffff);
3588                 instr_out(ctx, 3, "origin: %d,%d\n",
3589                           (int)data[3] & 0xffff, ((int)data[3] >> 16) & 0xffff);
3590
3591                 return len;
3592
3593         case 0x7905:
3594                 instr_out(ctx, 0, "3DSTATE_DEPTH_BUFFER\n");
3595                 if (IS_GEN5(devid) || IS_GEN6(devid))
3596                         instr_out(ctx, 1,
3597                                   "%s, %s, pitch = %d bytes, %stiled, HiZ %d, Seperate Stencil %d\n",
3598                                   get_965_surfacetype(data[1] >> 29),
3599                                   get_965_depthformat((data[1] >> 18) & 0x7),
3600                                   (data[1] & 0x0001ffff) + 1,
3601                                   data[1] & (1 << 27) ? "" : "not ",
3602                                   (data[1] & (1 << 22)) != 0,
3603                                   (data[1] & (1 << 21)) != 0);
3604                 else
3605                         instr_out(ctx, 1,
3606                                   "%s, %s, pitch = %d bytes, %stiled\n",
3607                                   get_965_surfacetype(data[1] >> 29),
3608                                   get_965_depthformat((data[1] >> 18) & 0x7),
3609                                   (data[1] & 0x0001ffff) + 1,
3610                                   data[1] & (1 << 27) ? "" : "not ");
3611                 instr_out(ctx, 2, "depth offset\n");
3612                 instr_out(ctx, 3, "%dx%d\n",
3613                           ((data[3] & 0x0007ffc0) >> 6) + 1,
3614                           ((data[3] & 0xfff80000) >> 19) + 1);
3615                 instr_out(ctx, 4, "volume depth\n");
3616                 if (len >= 6)
3617                         instr_out(ctx, 5, "\n");
3618                 if (len >= 7) {
3619                         if (IS_GEN6(devid))
3620                                 instr_out(ctx, 6, "\n");
3621                         else
3622                                 instr_out(ctx, 6,
3623                                           "render target view extent\n");
3624                 }
3625
3626                 return len;
3627
3628         case 0x7a00:
3629                 if (IS_GEN6(devid) || IS_GEN7(devid)) {
3630                         unsigned int i;
3631                         if (len != 4 && len != 5)
3632                                 fprintf(out, "Bad count in PIPE_CONTROL\n");
3633
3634                         switch ((data[1] >> 14) & 0x3) {
3635                         case 0:
3636                                 desc1 = "no write";
3637                                 break;
3638                         case 1:
3639                                 desc1 = "qword write";
3640                                 break;
3641                         case 2:
3642                                 desc1 = "PS_DEPTH_COUNT write";
3643                                 break;
3644                         case 3:
3645                                 desc1 = "TIMESTAMP write";
3646                                 break;
3647                         }
3648                         instr_out(ctx, 0, "PIPE_CONTROL\n");
3649                         instr_out(ctx, 1,
3650                                   "%s, %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
3651                                   desc1,
3652                                   data[1] & (1 << 20) ? "cs stall, " : "",
3653                                   data[1] & (1 << 19) ?
3654                                   "global snapshot count reset, " : "",
3655                                   data[1] & (1 << 18) ? "tlb invalidate, " : "",
3656                                   data[1] & (1 << 17) ? "gfdt flush, " : "",
3657                                   data[1] & (1 << 17) ? "media state clear, " :
3658                                   "",
3659                                   data[1] & (1 << 13) ? "depth stall, " : "",
3660                                   data[1] & (1 << 12) ?
3661                                   "render target cache flush, " : "",
3662                                   data[1] & (1 << 11) ?
3663                                   "instruction cache invalidate, " : "",
3664                                   data[1] & (1 << 10) ?
3665                                   "texture cache invalidate, " : "",
3666                                   data[1] & (1 << 9) ?
3667                                   "indirect state invalidate, " : "",
3668                                   data[1] & (1 << 8) ? "notify irq, " : "",
3669                                   data[1] & (1 << 7) ? "PIPE_CONTROL flush, " :
3670                                   "",
3671                                   data[1] & (1 << 6) ? "protect mem app_id, " :
3672                                   "", data[1] & (1 << 5) ? "DC flush, " : "",
3673                                   data[1] & (1 << 4) ? "vf fetch invalidate, " :
3674                                   "",
3675                                   data[1] & (1 << 3) ?
3676                                   "constant cache invalidate, " : "",
3677                                   data[1] & (1 << 2) ?
3678                                   "state cache invalidate, " : "",
3679                                   data[1] & (1 << 1) ? "stall at scoreboard, " :
3680                                   "",
3681                                   data[1] & (1 << 0) ? "depth cache flush, " :
3682                                   "");
3683                         if (len == 5) {
3684                                 instr_out(ctx, 2,
3685                                           "destination address\n");
3686                                 instr_out(ctx, 3,
3687                                           "immediate dword low\n");
3688                                 instr_out(ctx, 4,
3689                                           "immediate dword high\n");
3690                         } else {
3691                                 for (i = 2; i < len; i++) {
3692                                         instr_out(ctx, i, "\n");
3693                                 }
3694                         }
3695                         return len;
3696                 } else {
3697                         if (len != 4)
3698                                 fprintf(out, "Bad count in PIPE_CONTROL\n");
3699
3700                         switch ((data[0] >> 14) & 0x3) {
3701                         case 0:
3702                                 desc1 = "no write";
3703                                 break;
3704                         case 1:
3705                                 desc1 = "qword write";
3706                                 break;
3707                         case 2:
3708                                 desc1 = "PS_DEPTH_COUNT write";
3709                                 break;
3710                         case 3:
3711                                 desc1 = "TIMESTAMP write";
3712                                 break;
3713                         }
3714                         instr_out(ctx, 0,
3715                                   "PIPE_CONTROL: %s, %sdepth stall, %sRC write flush, "
3716                                   "%sinst flush\n",
3717                                   desc1,
3718                                   data[0] & (1 << 13) ? "" : "no ",
3719                                   data[0] & (1 << 12) ? "" : "no ",
3720                                   data[0] & (1 << 11) ? "" : "no ");
3721                         instr_out(ctx, 1, "destination address\n");
3722                         instr_out(ctx, 2, "immediate dword low\n");
3723                         instr_out(ctx, 3, "immediate dword high\n");
3724                         return len;
3725                 }
3726         }
3727
3728         if (opcode_3d) {
3729                 if (opcode_3d->func) {
3730                         return opcode_3d->func(ctx);
3731                 } else {
3732                         unsigned int i;
3733
3734                         instr_out(ctx, 0, "%s\n", opcode_3d->name);
3735
3736                         for (i = 1; i < len; i++) {
3737                                 instr_out(ctx, i, "dword %d\n", i);
3738                         }
3739                         return len;
3740                 }
3741         }
3742
3743         instr_out(ctx, 0, "3D UNKNOWN: 3d_965 opcode = 0x%x\n",
3744                   opcode);
3745         return 1;
3746 }
3747
3748 static int
3749 decode_3d_i830(struct drm_intel_decode *ctx)
3750 {
3751         unsigned int idx;
3752         uint32_t opcode;
3753         uint32_t *data = ctx->data;
3754
3755         struct {
3756                 uint32_t opcode;
3757                 unsigned int min_len;
3758                 unsigned int max_len;
3759                 const char *name;
3760         } opcodes_3d[] = {
3761                 { 0x02, 1, 1, "3DSTATE_MODES_3" },
3762                 { 0x03, 1, 1, "3DSTATE_ENABLES_1" },
3763                 { 0x04, 1, 1, "3DSTATE_ENABLES_2" },
3764                 { 0x05, 1, 1, "3DSTATE_VFT0" },
3765                 { 0x06, 1, 1, "3DSTATE_AA" },
3766                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
3767                 { 0x08, 1, 1, "3DSTATE_MODES_1" },
3768                 { 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
3769                 { 0x0a, 1, 1, "3DSTATE_VFT1" },
3770                 { 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
3771                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
3772                 { 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
3773                 { 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
3774                 { 0x0f, 1, 1, "3DSTATE_MODES_2" },
3775                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
3776                 { 0x16, 1, 1, "3DSTATE_MODES_4"},
3777         }, *opcode_3d;
3778
3779         opcode = (data[0] & 0x1f000000) >> 24;
3780
3781         switch (opcode) {
3782         case 0x1f:
3783                 return decode_3d_primitive(ctx);
3784         case 0x1d:
3785                 return decode_3d_1d(ctx);
3786         case 0x1c:
3787                 return decode_3d_1c(ctx);
3788         }
3789
3790         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
3791                 opcode_3d = &opcodes_3d[idx];
3792                 if ((data[0] & 0x1f000000) >> 24 == opcode_3d->opcode) {
3793                         unsigned int len = 1, i;
3794
3795                         instr_out(ctx, 0, "%s\n", opcode_3d->name);
3796                         if (opcode_3d->max_len > 1) {
3797                                 len = (data[0] & 0xff) + 2;
3798                                 if (len < opcode_3d->min_len ||
3799                                     len > opcode_3d->max_len) {
3800                                         fprintf(out, "Bad count in %s\n",
3801                                                 opcode_3d->name);
3802                                 }
3803                         }
3804
3805                         for (i = 1; i < len; i++) {
3806                                 instr_out(ctx, i, "dword %d\n", i);
3807                         }
3808                         return len;
3809                 }
3810         }
3811
3812         instr_out(ctx, 0, "3D UNKNOWN: 3d_i830 opcode = 0x%x\n",
3813                   opcode);
3814         return 1;
3815 }
3816
3817 struct drm_intel_decode *
3818 drm_intel_decode_context_alloc(uint32_t devid)
3819 {
3820         struct drm_intel_decode *ctx;
3821
3822         ctx = calloc(1, sizeof(struct drm_intel_decode));
3823         if (!ctx)
3824                 return NULL;
3825
3826         ctx->devid = devid;
3827         ctx->out = stdout;
3828
3829         if (IS_GEN7(devid))
3830                 ctx->gen = 7;
3831         else if (IS_GEN6(devid))
3832                 ctx->gen = 6;
3833         else if (IS_GEN5(devid))
3834                 ctx->gen = 5;
3835         else if (IS_GEN4(devid))
3836                 ctx->gen = 4;
3837         else if (IS_9XX(devid))
3838                 ctx->gen = 3;
3839         else {
3840                 assert(IS_GEN2(devid));
3841                 ctx->gen = 2;
3842         }
3843
3844         return ctx;
3845 }
3846
3847 void
3848 drm_intel_decode_context_free(struct drm_intel_decode *ctx)
3849 {
3850         free(ctx);
3851 }
3852
3853 void
3854 drm_intel_decode_set_dump_past_end(struct drm_intel_decode *ctx,
3855                                    int dump_past_end)
3856 {
3857         ctx->dump_past_end = !!dump_past_end;
3858 }
3859
3860 void
3861 drm_intel_decode_set_batch_pointer(struct drm_intel_decode *ctx,
3862                                    void *data, uint32_t hw_offset, int count)
3863 {
3864         ctx->base_data = data;
3865         ctx->base_hw_offset = hw_offset;
3866         ctx->base_count = count;
3867 }
3868
3869 void
3870 drm_intel_decode_set_head_tail(struct drm_intel_decode *ctx,
3871                                uint32_t head, uint32_t tail)
3872 {
3873         ctx->head = head;
3874         ctx->tail = tail;
3875 }
3876
3877 void
3878 drm_intel_decode_set_output_file(struct drm_intel_decode *ctx,
3879                                  FILE *out)
3880 {
3881         ctx->out = out;
3882 }
3883
3884 /**
3885  * Decodes an i830-i915 batch buffer, writing the output to stdout.
3886  *
3887  * \param data batch buffer contents
3888  * \param count number of DWORDs to decode in the batch buffer
3889  * \param hw_offset hardware address for the buffer
3890  */
3891 void
3892 drm_intel_decode(struct drm_intel_decode *ctx)
3893 {
3894         int ret;
3895         unsigned int index = 0;
3896         uint32_t devid;
3897         int size = ctx->base_count * 4;
3898         void *temp;
3899
3900         if (!ctx)
3901                 return;
3902
3903         /* Put a scratch page full of obviously undefined data after
3904          * the batchbuffer.  This lets us avoid a bunch of length
3905          * checking in statically sized packets.
3906          */
3907         temp = malloc(size + 4096);
3908         memcpy(temp, ctx->base_data, size);
3909         memset((char *)temp + size, 0xd0, 4096);
3910         ctx->data = temp;
3911
3912         ctx->hw_offset = ctx->base_hw_offset;
3913         ctx->count = ctx->base_count;
3914
3915         devid = ctx->devid;
3916         head_offset = ctx->head;
3917         tail_offset = ctx->tail;
3918         out = ctx->out;
3919
3920         saved_s2_set = 0;
3921         saved_s4_set = 1;
3922
3923         while (ctx->count > 0) {
3924                 index = 0;
3925
3926                 switch ((ctx->data[index] & 0xe0000000) >> 29) {
3927                 case 0x0:
3928                         ret = decode_mi(ctx);
3929
3930                         /* If MI_BATCHBUFFER_END happened, then dump
3931                          * the rest of the output in case we some day
3932                          * want it in debugging, but don't decode it
3933                          * since it'll just confuse in the common
3934                          * case.
3935                          */
3936                         if (ret == -1) {
3937                                 if (ctx->dump_past_end) {
3938                                         index++;
3939                                 } else {
3940                                         for (index = index + 1; index < ctx->count;
3941                                              index++) {
3942                                                 instr_out(ctx, index, "\n");
3943                                         }
3944                                 }
3945                         } else
3946                                 index += ret;
3947                         break;
3948                 case 0x2:
3949                         index += decode_2d(ctx);
3950                         break;
3951                 case 0x3:
3952                         if (IS_9XX(devid) && !IS_GEN3(devid)) {
3953                                 index +=
3954                                     decode_3d_965(ctx);
3955                         } else if (IS_GEN3(devid)) {
3956                                 index += decode_3d(ctx);
3957                         } else {
3958                                 index +=
3959                                     decode_3d_i830(ctx);
3960                         }
3961                         break;
3962                 default:
3963                         instr_out(ctx, index, "UNKNOWN\n");
3964                         index++;
3965                         break;
3966                 }
3967                 fflush(out);
3968
3969                 if (ctx->count < index)
3970                         break;
3971
3972                 ctx->count -= index;
3973                 ctx->data += index;
3974                 ctx->hw_offset += 4 * index;
3975         }
3976
3977         free(temp);
3978 }