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