src/mesa/drivers/dri/intel/intel_decode.c

   1 /* -*- c-basic-offset: 4 -*- */
   2 /*
   3  * Copyright © 2007 Intel Corporation
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  22  * IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Eric Anholt <eric@anholt.net>
  26  *
  27  */
  28
  29 /** @file intel_decode.c
  30  * This file contains code to print out batchbuffer contents in a
  31  * human-readable format.
  32  *
  33  * The current version only supports i915 packets, and only pretty-prints a
  34  * subset of them.  The intention is for it to make just a best attempt to
  35  * decode, but never crash in the process.
  36  */
  37
  38 #include <stdio.h>
  39 #include <stdarg.h>
  40 #include <inttypes.h>
  41
  42 #include "intel_decode.h"
  43 #include "intel_chipset.h"
  44
  45 #define BUFFER_FAIL(_count, _len, _name) do {                   \
  46     fprintf(out, "Buffer size too small in %s (%d < %d)\n",     \
  47             (_name), (_count), (_len));                         \
  48     (*failures)++;                                              \
  49     return count;                                               \
  50 } while (0)
  51
  52 static FILE *out;
  53 static uint32_t saved_s2 = 0, saved_s4 = 0;
  54 static char saved_s2_set = 0, saved_s4_set = 0;
  55
  56 static float
  57 int_as_float(uint32_t intval)
  58 {
  59     union intfloat {
  60         uint32_t i;
  61         float f;
  62     } uval;
  63
  64     uval.i = intval;
  65     return uval.f;
  66 }
  67
  68 static void
  69 instr_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
  70           char *fmt, ...)
  71 {
  72     va_list va;
  73
  74     fprintf(out, "0x%08x: 0x%08x:%s ", hw_offset + index * 4, data[index],
  75             index == 0 ? "" : "  ");
  76     va_start(va, fmt);
  77     vfprintf(out, fmt, va);
  78     va_end(va);
  79 }
  80
  81
  82 static int
  83 decode_mi(uint32_t *data, int count, uint32_t hw_offset, int *failures)
  84 {
  85     unsigned int opcode;
  86
  87     struct {
  88         uint32_t opcode;
  89         int min_len;
  90         int max_len;
  91         char *name;
  92     } opcodes_mi[] = {
  93         { 0x08, 1, 1, "MI_ARB_ON_OFF" },
  94         { 0x0a, 1, 1, "MI_BATCH_BUFFER_END" },
  95         { 0x31, 2, 2, "MI_BATCH_BUFFER_START" },
  96         { 0x14, 3, 3, "MI_DISPLAY_BUFFER_INFO" },
  97         { 0x04, 1, 1, "MI_FLUSH" },
  98         { 0x22, 3, 3, "MI_LOAD_REGISTER_IMM" },
  99         { 0x13, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" },
 100         { 0x12, 2, 2, "MI_LOAD_SCAN_LINES_INCL" },
 101         { 0x00, 1, 1, "MI_NOOP" },
 102         { 0x11, 2, 2, "MI_OVERLAY_FLIP" },
 103         { 0x07, 1, 1, "MI_REPORT_HEAD" },
 104         { 0x18, 2, 2, "MI_SET_CONTEXT" },
 105         { 0x20, 3, 4, "MI_STORE_DATA_IMM" },
 106         { 0x21, 3, 4, "MI_STORE_DATA_INDEX" },
 107         { 0x24, 3, 3, "MI_STORE_REGISTER_MEM" },
 108         { 0x02, 1, 1, "MI_USER_INTERRUPT" },
 109         { 0x03, 1, 1, "MI_WAIT_FOR_EVENT" },
 110     };
 111
 112
 113     for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 114          opcode++) {
 115         if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 116             unsigned int len = 1, i;
 117
 118             instr_out(data, hw_offset, 0, "%s\n", opcodes_mi[opcode].name);
 119             if (opcodes_mi[opcode].max_len > 1) {
 120                 len = (data[0] & 0x000000ff) + 2;
 121                 if (len < opcodes_mi[opcode].min_len ||
 122                     len > opcodes_mi[opcode].max_len)
 123                 {
 124                     fprintf(out, "Bad length in %s\n",
 125                             opcodes_mi[opcode].name);
 126                 }
 127             }
 128
 129             for (i = 1; i < len; i++) {
 130                 if (i >= count)
 131                     BUFFER_FAIL(count, len, opcodes_mi[opcode].name);
 132                 instr_out(data, hw_offset, i, "dword %d\n", i);
 133             }
 134
 135             return len;
 136         }
 137     }
 138
 139     instr_out(data, hw_offset, 0, "MI UNKNOWN\n");
 140     (*failures)++;
 141     return 1;
 142 }
 143
 144 static int
 145 decode_2d(uint32_t *data, int count, uint32_t hw_offset, int *failures)
 146 {
 147     unsigned int opcode, len;
 148     char *format = NULL;
 149
 150     struct {
 151         uint32_t opcode;
 152         int min_len;
 153         int max_len;
 154         char *name;
 155     } opcodes_2d[] = {
 156         { 0x40, 5, 5, "COLOR_BLT" },
 157         { 0x43, 6, 6, "SRC_COPY_BLT" },
 158         { 0x01, 8, 8, "XY_SETUP_BLT" },
 159         { 0x11, 9, 9, "XY_SETUP_MONO_PATTERN_SL_BLT" },
 160         { 0x03, 3, 3, "XY_SETUP_CLIP_BLT" },
 161         { 0x24, 2, 2, "XY_PIXEL_BLT" },
 162         { 0x25, 3, 3, "XY_SCANLINES_BLT" },
 163         { 0x26, 4, 4, "Y_TEXT_BLT" },
 164         { 0x31, 5, 134, "XY_TEXT_IMMEDIATE_BLT" },
 165         { 0x50, 6, 6, "XY_COLOR_BLT" },
 166         { 0x51, 6, 6, "XY_PAT_BLT" },
 167         { 0x76, 8, 8, "XY_PAT_CHROMA_BLT" },
 168         { 0x72, 7, 135, "XY_PAT_BLT_IMMEDIATE" },
 169         { 0x77, 9, 137, "XY_PAT_CHROMA_BLT_IMMEDIATE" },
 170         { 0x52, 9, 9, "XY_MONO_PAT_BLT" },
 171         { 0x59, 7, 7, "XY_MONO_PAT_FIXED_BLT" },
 172         { 0x53, 8, 8, "XY_SRC_COPY_BLT" },
 173         { 0x54, 8, 8, "XY_MONO_SRC_COPY_BLT" },
 174         { 0x71, 9, 137, "XY_MONO_SRC_COPY_IMMEDIATE_BLT" },
 175         { 0x55, 9, 9, "XY_FULL_BLT" },
 176         { 0x55, 9, 137, "XY_FULL_IMMEDIATE_PATTERN_BLT" },
 177         { 0x56, 9, 9, "XY_FULL_MONO_SRC_BLT" },
 178         { 0x75, 10, 138, "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT" },
 179         { 0x57, 12, 12, "XY_FULL_MONO_PATTERN_BLT" },
 180         { 0x58, 12, 12, "XY_FULL_MONO_PATTERN_MONO_SRC_BLT" },
 181     };
 182
 183     switch ((data[0] & 0x1fc00000) >> 22) {
 184     case 0x50:
 185         instr_out(data, hw_offset, 0,
 186                   "XY_COLOR_BLT (rgb %sabled, alpha %sabled, dst tile %d)\n",
 187                   (data[0] & (1 << 20)) ? "en" : "dis",
 188                   (data[0] & (1 << 21)) ? "en" : "dis",
 189                   (data[0] >> 11) & 1);
 190
 191         len = (data[0] & 0x000000ff) + 2;
 192         if (len != 6)
 193             fprintf(out, "Bad count in XY_COLOR_BLT\n");
 194         if (count < 6)
 195             BUFFER_FAIL(count, len, "XY_COLOR_BLT");
 196
 197         switch ((data[1] >> 24) & 0x3) {
 198         case 0:
 199             format="8";
 200             break;
 201         case 1:
 202             format="565";
 203             break;
 204         case 2:
 205             format="1555";
 206             break;
 207         case 3:
 208             format="8888";
 209             break;
 210         }
 211
 212         instr_out(data, hw_offset, 1, "format %s, pitch %d, "
 213                   "clipping %sabled\n", format,
 214                   (short)(data[1] & 0xffff),
 215                   data[1] & (1 << 30) ? "en" : "dis");
 216         instr_out(data, hw_offset, 2, "(%d,%d)\n",
 217                   data[2] & 0xffff, data[2] >> 16);
 218         instr_out(data, hw_offset, 3, "(%d,%d)\n",
 219                   data[3] & 0xffff, data[3] >> 16);
 220         instr_out(data, hw_offset, 4, "offset 0x%08x\n", data[4]);
 221         instr_out(data, hw_offset, 5, "color\n");
 222         return len;
 223     case 0x53:
 224         instr_out(data, hw_offset, 0,
 225                   "XY_SRC_COPY_BLT (rgb %sabled, alpha %sabled, "
 226                   "src tile %d, dst tile %d)\n",
 227                   (data[0] & (1 << 20)) ? "en" : "dis",
 228                   (data[0] & (1 << 21)) ? "en" : "dis",
 229                   (data[0] >> 15) & 1,
 230                   (data[0] >> 11) & 1);
 231
 232         len = (data[0] & 0x000000ff) + 2;
 233         if (len != 8)
 234             fprintf(out, "Bad count in XY_SRC_COPY_BLT\n");
 235         if (count < 8)
 236             BUFFER_FAIL(count, len, "XY_SRC_COPY_BLT");
 237
 238         switch ((data[1] >> 24) & 0x3) {
 239         case 0:
 240             format="8";
 241             break;
 242         case 1:
 243             format="565";
 244             break;
 245         case 2:
 246             format="1555";
 247             break;
 248         case 3:
 249             format="8888";
 250             break;
 251         }
 252
 253         instr_out(data, hw_offset, 1, "format %s, dst pitch %d, "
 254                   "clipping %sabled\n", format,
 255                   (short)(data[1] & 0xffff),
 256                   data[1] & (1 << 30) ? "en" : "dis");
 257         instr_out(data, hw_offset, 2, "dst (%d,%d)\n",
 258                   data[2] & 0xffff, data[2] >> 16);
 259         instr_out(data, hw_offset, 3, "dst (%d,%d)\n",
 260                   data[3] & 0xffff, data[3] >> 16);
 261         instr_out(data, hw_offset, 4, "dst offset 0x%08x\n", data[4]);
 262         instr_out(data, hw_offset, 5, "src (%d,%d)\n",
 263                   data[5] & 0xffff, data[5] >> 16);
 264         instr_out(data, hw_offset, 6, "src pitch %d\n",
 265                   (short)(data[6] & 0xffff));
 266         instr_out(data, hw_offset, 7, "src offset 0x%08x\n", data[7]);
 267         return len;
 268     }
 269
 270     for (opcode = 0; opcode < sizeof(opcodes_2d) / sizeof(opcodes_2d[0]);
 271          opcode++) {
 272         if ((data[0] & 0x1fc00000) >> 22 == opcodes_2d[opcode].opcode) {
 273             unsigned int i;
 274
 275             len = 1;
 276             instr_out(data, hw_offset, 0, "%s\n", opcodes_2d[opcode].name);
 277             if (opcodes_2d[opcode].max_len > 1) {
 278                 len = (data[0] & 0x000000ff) + 2;
 279                 if (len < opcodes_2d[opcode].min_len ||
 280                     len > opcodes_2d[opcode].max_len)
 281                 {
 282                     fprintf(out, "Bad count in %s\n", opcodes_2d[opcode].name);
 283                 }
 284             }
 285
 286             for (i = 1; i < len; i++) {
 287                 if (i >= count)
 288                     BUFFER_FAIL(count, len, opcodes_2d[opcode].name);
 289                 instr_out(data, hw_offset, i, "dword %d\n", i);
 290             }
 291
 292             return len;
 293         }
 294     }
 295
 296     instr_out(data, hw_offset, 0, "2D UNKNOWN\n");
 297     (*failures)++;
 298     return 1;
 299 }
 300
 301 static int
 302 decode_3d_1c(uint32_t *data, int count, uint32_t hw_offset, int *failures)
 303 {
 304     switch ((data[0] & 0x00f80000) >> 19) {
 305     case 0x11:
 306         instr_out(data, hw_offset, 0, "3DSTATE_DEPTH_SUBRECTANGLE_DISALBE\n");
 307         return 1;
 308     case 0x10:
 309         instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_ENABLE\n");
 310         return 1;
 311     case 0x01:
 312         instr_out(data, hw_offset, 0, "3DSTATE_MAP_COORD_SET_I830\n");
 313         return 1;
 314     case 0x0a:
 315         instr_out(data, hw_offset, 0, "3DSTATE_MAP_CUBE_I830\n");
 316         return 1;
 317     case 0x05:
 318         instr_out(data, hw_offset, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
 319         return 1;
 320     }
 321
 322     instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
 323     (*failures)++;
 324     return 1;
 325 }
 326
 327 static int
 328 decode_3d_1d(uint32_t *data, int count, uint32_t hw_offset, int *failures, int i830)
 329 {
 330     unsigned int len, i, c, opcode, word, map, sampler, instr;
 331
 332     struct {
 333         uint32_t opcode;
 334         int i830_only;
 335         int min_len;
 336         int max_len;
 337         char *name;
 338     } opcodes_3d_1d[] = {
 339         { 0x8e, 0, 3, 3, "3DSTATE_BUFFER_INFO" },
 340         { 0x86, 0, 4, 4, "3DSTATE_CHROMA_KEY" },
 341         { 0x9c, 0, 1, 1, "3DSTATE_CLEAR_PARAMETERS" },
 342         { 0x88, 0, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
 343         { 0x99, 0, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
 344         { 0x9a, 0, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
 345         { 0x98, 0, 2, 2, "3DSTATE_DEFAULT_Z" },
 346         { 0x97, 0, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
 347         { 0x85, 0, 2, 2, "3DSTATE_DEST_BUFFER_VARIABLES" },
 348         { 0x80, 0, 5, 5, "3DSTATE_DRAWING_RECTANGLE" },
 349         { 0x8e, 0, 3, 3, "3DSTATE_BUFFER_INFO" },
 350         { 0x9d, 0, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
 351         { 0x9e, 0, 4, 4, "3DSTATE_MONO_FILTER" },
 352         { 0x89, 0, 4, 4, "3DSTATE_FOG_MODE" },
 353         { 0x8f, 0, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
 354         { 0x81, 0, 3, 3, "3DSTATE_SCISSOR_RECTANGLE" },
 355         { 0x83, 0, 2, 2, "3DSTATE_SPAN_STIPPLE" },
 356         { 0x8c, 1, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM_I830" },
 357         { 0x8b, 1, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM_I830" },
 358         { 0x8d, 1, 3, 3, "3DSTATE_W_STATE_I830" },
 359         { 0x01, 1, 2, 2, "3DSTATE_COLOR_FACTOR_I830" },
 360         { 0x02, 1, 2, 2, "3DSTATE_MAP_COORD_SETBIND_I830" },
 361     };
 362
 363     switch ((data[0] & 0x00ff0000) >> 16) {
 364     case 0x07:
 365         /* This instruction is unusual.  A 0 length means just 1 DWORD instead of
 366          * 2.  The 0 length is specified in one place to be unsupported, but
 367          * stated to be required in another, and 0 length LOAD_INDIRECTs appear
 368          * to cause no harm at least.
 369          */
 370         instr_out(data, hw_offset, 0, "3DSTATE_LOAD_INDIRECT\n");
 371         len = (data[0] & 0x000000ff) + 1;
 372         i = 1;
 373         if (data[0] & (0x01 << 8)) {
 374             if (i + 2 >= count)
 375                 BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
 376             instr_out(data, hw_offset, i++, "SIS.0\n");
 377             instr_out(data, hw_offset, i++, "SIS.1\n");
 378         }
 379         if (data[0] & (0x02 << 8)) {
 380             if (i + 1 >= count)
 381                 BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
 382             instr_out(data, hw_offset, i++, "DIS.0\n");
 383         }
 384         if (data[0] & (0x04 << 8)) {
 385             if (i + 2 >= count)
 386                 BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
 387             instr_out(data, hw_offset, i++, "SSB.0\n");
 388             instr_out(data, hw_offset, i++, "SSB.1\n");
 389         }
 390         if (data[0] & (0x08 << 8)) {
 391             if (i + 2 >= count)
 392                 BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
 393             instr_out(data, hw_offset, i++, "MSB.0\n");
 394             instr_out(data, hw_offset, i++, "MSB.1\n");
 395         }
 396         if (data[0] & (0x10 << 8)) {
 397             if (i + 2 >= count)
 398                 BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
 399             instr_out(data, hw_offset, i++, "PSP.0\n");
 400             instr_out(data, hw_offset, i++, "PSP.1\n");
 401         }
 402         if (data[0] & (0x20 << 8)) {
 403             if (i + 2 >= count)
 404                 BUFFER_FAIL(count, len, "3DSTATE_LOAD_INDIRECT");
 405             instr_out(data, hw_offset, i++, "PSC.0\n");
 406             instr_out(data, hw_offset, i++, "PSC.1\n");
 407         }
 408         if (len != i) {
 409             fprintf(out, "Bad count in 3DSTATE_LOAD_INDIRECT\n");
 410             (*failures)++;
 411             return len;
 412         }
 413         return len;
 414     case 0x04:
 415         instr_out(data, hw_offset, 0, "3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
 416         len = (data[0] & 0x0000000f) + 2;
 417         i = 1;
 418         for (word = 0; word <= 7; word++) {
 419             if (data[0] & (1 << (4 + word))) {
 420                 if (i >= count)
 421                     BUFFER_FAIL(count, len, "3DSTATE_LOAD_STATE_IMMEDIATE_1");
 422
 423                 /* save vertex state for decode */
 424                 if (word == 2) {
 425                     saved_s2_set = 1;
 426                     saved_s2 = data[i];
 427                 }
 428                 if (word == 4) {
 429                     saved_s4_set = 1;
 430                     saved_s4 = data[i];
 431                 }
 432
 433                 instr_out(data, hw_offset, i++, "S%d\n", word);
 434             }
 435         }
 436         if (len != i) {
 437             fprintf(out, "Bad count in 3DSTATE_LOAD_INDIRECT\n");
 438             (*failures)++;
 439         }
 440         return len;
 441     case 0x00:
 442         instr_out(data, hw_offset, 0, "3DSTATE_MAP_STATE\n");
 443         len = (data[0] & 0x0000003f) + 2;
 444
 445         i = 1;
 446         for (map = 0; map <= 15; map++) {
 447             if (data[1] & (1 << map)) {
 448                 if (i + 3 >= count)
 449                     BUFFER_FAIL(count, len, "3DSTATE_MAP_STATE");
 450                 instr_out(data, hw_offset, i++, "map %d MS2\n", map);
 451                 instr_out(data, hw_offset, i++, "map %d MS3\n", map);
 452                 instr_out(data, hw_offset, i++, "map %d MS4\n", map);
 453             }
 454         }
 455         if (len != i) {
 456             fprintf(out, "Bad count in 3DSTATE_MAP_STATE\n");
 457             (*failures)++;
 458             return len;
 459         }
 460         return len;
 461     case 0x06:
 462         instr_out(data, hw_offset, 0, "3DSTATE_PIXEL_SHADER_CONSTANTS\n");
 463         len = (data[0] & 0x000000ff) + 2;
 464
 465         i = 1;
 466         for (c = 0; c <= 31; c++) {
 467             if (data[1] & (1 << c)) {
 468                 if (i + 4 >= count)
 469                     BUFFER_FAIL(count, len, "3DSTATE_PIXEL_SHADER_CONSTANTS");
 470                 instr_out(data, hw_offset, i, "C%d.X = %f\n",
 471                           c, int_as_float(data[i]));
 472                 i++;
 473                 instr_out(data, hw_offset, i, "C%d.Y = %f\n",
 474                           c, int_as_float(data[i]));
 475                 i++;
 476                 instr_out(data, hw_offset, i, "C%d.Z = %f\n",
 477                           c, int_as_float(data[i]));
 478                 i++;
 479                 instr_out(data, hw_offset, i, "C%d.W = %f\n",
 480                           c, int_as_float(data[i]));
 481                 i++;
 482             }
 483         }
 484         if (len != i) {
 485             fprintf(out, "Bad count in 3DSTATE_MAP_STATE\n");
 486             (*failures)++;
 487         }
 488         return len;
 489     case 0x05:
 490         instr_out(data, hw_offset, 0, "3DSTATE_PIXEL_SHADER_PROGRAM\n");
 491         len = (data[0] & 0x000000ff) + 2;
 492         if ((len - 1) % 3 != 0 || len > 370) {
 493             fprintf(out, "Bad count in 3DSTATE_PIXEL_SHADER_PROGRAM\n");
 494             (*failures)++;
 495         }
 496         i = 1;
 497         for (instr = 0; instr < (len - 1) / 3; instr++) {
 498             if (i + 3 >= count)
 499                 BUFFER_FAIL(count, len, "3DSTATE_MAP_STATE");
 500             instr_out(data, hw_offset, i++, "PS%03x\n", instr);
 501             instr_out(data, hw_offset, i++, "PS%03x\n", instr);
 502             instr_out(data, hw_offset, i++, "PS%03x\n", instr);
 503         }
 504         return len;
 505     case 0x01:
 506         if (i830)
 507             break;
 508         instr_out(data, hw_offset, 0, "3DSTATE_SAMPLER_STATE\n");
 509         len = (data[0] & 0x0000003f) + 2;
 510         i = 1;
 511         for (sampler = 0; sampler <= 15; sampler++) {
 512             if (data[1] & (1 << sampler)) {
 513                 if (i + 3 >= count)
 514                     BUFFER_FAIL(count, len, "3DSTATE_SAMPLER_STATE");
 515                 instr_out(data, hw_offset, i++, "sampler %d SS2\n",
 516                           sampler);
 517                 instr_out(data, hw_offset, i++, "sampler %d SS3\n",
 518                           sampler);
 519                 instr_out(data, hw_offset, i++, "sampler %d SS4\n",
 520                           sampler);
 521             }
 522         }
 523         if (len != i) {
 524             fprintf(out, "Bad count in 3DSTATE_SAMPLER_STATE\n");
 525             (*failures)++;
 526         }
 527         return len;
 528     }
 529
 530     for (opcode = 0; opcode < sizeof(opcodes_3d_1d) / sizeof(opcodes_3d_1d[0]);
 531          opcode++)
 532     {
 533         if (opcodes_3d_1d[opcode].i830_only && !i830)
 534             continue;
 535
 536         if (((data[0] & 0x00ff0000) >> 16) == opcodes_3d_1d[opcode].opcode) {
 537             len = 1;
 538
 539             instr_out(data, hw_offset, 0, "%s\n", opcodes_3d_1d[opcode].name);
 540             if (opcodes_3d_1d[opcode].max_len > 1) {
 541                 len = (data[0] & 0x0000ffff) + 2;
 542                 if (len < opcodes_3d_1d[opcode].min_len ||
 543                     len > opcodes_3d_1d[opcode].max_len)
 544                 {
 545                     fprintf(out, "Bad count in %s\n",
 546                             opcodes_3d_1d[opcode].name);
 547                     (*failures)++;
 548                 }
 549             }
 550
 551             for (i = 1; i < len; i++) {
 552                 if (i >= count)
 553                     BUFFER_FAIL(count, len,  opcodes_3d_1d[opcode].name);
 554                 instr_out(data, hw_offset, i, "dword %d\n", i);
 555             }
 556
 557             return len;
 558         }
 559     }
 560
 561     instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
 562     (*failures)++;
 563     return 1;
 564 }
 565
 566 static int
 567 decode_3d_primitive(uint32_t *data, int count, uint32_t hw_offset,
 568                     int *failures)
 569 {
 570     char immediate = (data[0] & (1 << 23)) == 0;
 571     unsigned int len, i;
 572     char *primtype;
 573
 574     switch ((data[0] >> 18) & 0xf) {
 575     case 0x0: primtype = "TRILIST"; break;
 576     case 0x1: primtype = "TRISTRIP"; break;
 577     case 0x2: primtype = "TRISTRIP_REVERSE"; break;
 578     case 0x3: primtype = "TRIFAN"; break;
 579     case 0x4: primtype = "POLYGON"; break;
 580     case 0x5: primtype = "LINELIST"; break;
 581     case 0x6: primtype = "LINESTRIP"; break;
 582     case 0x7: primtype = "RECTLIST"; break;
 583     case 0x8: primtype = "POINTLIST"; break;
 584     case 0x9: primtype = "DIB"; break;
 585     case 0xa: primtype = "CLEAR_RECT"; break;
 586     default: primtype = "unknown"; break;
 587     }
 588
 589     /* XXX: 3DPRIM_DIB not supported */
 590     if (immediate) {
 591         len = (data[0] & 0x0003ffff) + 2;
 592         instr_out(data, hw_offset, 0, "3DPRIMITIVE inline %s\n", primtype);
 593         if (count < len)
 594             BUFFER_FAIL(count, len,  "3DPRIMITIVE inline");
 595         if (!saved_s2_set || !saved_s4_set) {
 596             fprintf(out, "unknown vertex format\n");
 597             for (i = 1; i < len; i++) {
 598                 instr_out(data, hw_offset, i,
 599                           "           vertex data (%f float)\n",
 600                           int_as_float(data[i]));
 601             }
 602         } else {
 603             unsigned int vertex = 0;
 604             for (i = 1; i < len;) {
 605                 unsigned int tc;
 606
 607 #define VERTEX_OUT(fmt, ...) do {                                       \
 608     if (i < len)                                                        \
 609         instr_out(data, hw_offset, i, " V%d."fmt"\n", vertex, __VA_ARGS__); \
 610     else                                                                \
 611         fprintf(out, " missing data in V%d\n", vertex);                 \
 612     i++;                                                                \
 613 } while (0)
 614
 615                 VERTEX_OUT("X = %f", int_as_float(data[i]));
 616                 VERTEX_OUT("Y = %f", int_as_float(data[i]));
 617                 switch (saved_s4 >> 6 & 0x7) {
 618                 case 0x1:
 619                     VERTEX_OUT("Z = %f", int_as_float(data[i]));
 620                     break;
 621                 case 0x2:
 622                     VERTEX_OUT("Z = %f", int_as_float(data[i]));
 623                     VERTEX_OUT("W = %f", int_as_float(data[i]));
 624                     break;
 625                 case 0x3:
 626                     break;
 627                 case 0x4:
 628                     VERTEX_OUT("W = %f", int_as_float(data[i]));
 629                     break;
 630                 default:
 631                     fprintf(out, "bad S4 position mask\n");
 632                 }
 633
 634                 if (saved_s4 & (1 << 10)) {
 635                     VERTEX_OUT("color = (A=0x%02x, R=0x%02x, G=0x%02x, "
 636                                "B=0x%02x)",
 637                                data[i] >> 24,
 638                                (data[i] >> 16) & 0xff,
 639                                (data[i] >> 8) & 0xff,
 640                                data[i] & 0xff);
 641                 }
 642                 if (saved_s4 & (1 << 11)) {
 643                     VERTEX_OUT("spec = (A=0x%02x, R=0x%02x, G=0x%02x, "
 644                                "B=0x%02x)",
 645                                data[i] >> 24,
 646                                (data[i] >> 16) & 0xff,
 647                                (data[i] >> 8) & 0xff,
 648                                data[i] & 0xff);
 649                 }
 650                 if (saved_s4 & (1 << 12))
 651                     VERTEX_OUT("width = 0x%08x)", data[i]);
 652
 653                 for (tc = 0; tc <= 7; tc++) {
 654                     switch ((saved_s2 >> (tc * 4)) & 0xf) {
 655                     case 0x0:
 656                         VERTEX_OUT("T%d.X = %f", tc, int_as_float(data[i]));
 657                         VERTEX_OUT("T%d.Y = %f", tc, int_as_float(data[i]));
 658                         break;
 659                     case 0x1:
 660                         VERTEX_OUT("T%d.X = %f", tc, int_as_float(data[i]));
 661                         VERTEX_OUT("T%d.Y = %f", tc, int_as_float(data[i]));
 662                         VERTEX_OUT("T%d.Z = %f", tc, int_as_float(data[i]));
 663                         break;
 664                     case 0x2:
 665                         VERTEX_OUT("T%d.X = %f", tc, int_as_float(data[i]));
 666                         VERTEX_OUT("T%d.Y = %f", tc, int_as_float(data[i]));
 667                         VERTEX_OUT("T%d.Z = %f", tc, int_as_float(data[i]));
 668                         VERTEX_OUT("T%d.W = %f", tc, int_as_float(data[i]));
 669                         break;
 670                     case 0x3:
 671                         VERTEX_OUT("T%d.X = %f", tc, int_as_float(data[i]));
 672                         break;
 673                     case 0x4:
 674                         VERTEX_OUT("T%d.XY = 0x%08x half-float", tc, data[i]);
 675                         break;
 676                     case 0x5:
 677                         VERTEX_OUT("T%d.XY = 0x%08x half-float", tc, data[i]);
 678                         VERTEX_OUT("T%d.ZW = 0x%08x half-float", tc, data[i]);
 679                         break;
 680                     case 0xf:
 681                         break;
 682                     default:
 683                         fprintf(out, "bad S2.T%d format\n", tc);
 684                     }
 685                 }
 686                 vertex++;
 687             }
 688         }
 689     } else {
 690         /* indirect vertices */
 691         len = data[0] & 0x0000ffff; /* index count */
 692         if (data[0] & (1 << 17)) {
 693             /* random vertex access */
 694             if (count < (len + 1) / 2 + 1) {
 695                 BUFFER_FAIL(count, (len + 1) / 2 + 1,
 696                             "3DPRIMITIVE random indirect");
 697             }
 698             instr_out(data, hw_offset, 0,
 699                       "3DPRIMITIVE random indirect %s (%d)\n", primtype, len);
 700             if (len == 0) {
 701                 /* vertex indices continue until 0xffff is found */
 702                 for (i = 1; i < count; i++) {
 703                     if ((data[i] & 0xffff) == 0xffff) {
 704                         instr_out(data, hw_offset, i,
 705                                   "            indices: (terminator)\n");
 706                         return i;
 707                     } else if ((data[i] >> 16) == 0xffff) {
 708                         instr_out(data, hw_offset, i,
 709                                   "            indices: 0x%04x, "
 710                                   "(terminator)\n",
 711                                   data[i] & 0xffff);
 712                         return i;
 713                     } else {
 714                         instr_out(data, hw_offset, i,
 715                                   "            indices: 0x%04x, 0x%04x\n",
 716                                   data[i] & 0xffff, data[i] >> 16);
 717                     }
 718                 }
 719                 fprintf(out,
 720                         "3DPRIMITIVE: no terminator found in index buffer\n");
 721                 (*failures)++;
 722                 return count;
 723             } else {
 724                 /* fixed size vertex index buffer */
 725                 for (i = 0; i < len; i += 2) {
 726                     if (i * 2 == len - 1) {
 727                         instr_out(data, hw_offset, i,
 728                                   "            indices: 0x%04x\n",
 729                                   data[i] & 0xffff);
 730                     } else {
 731                         instr_out(data, hw_offset, i,
 732                                   "            indices: 0x%04x, 0x%04x\n",
 733                                   data[i] & 0xffff, data[i] >> 16);
 734                     }
 735                 }
 736             }
 737             return (len + 1) / 2 + 1;
 738         } else {
 739             /* sequential vertex access */
 740             if (count < 2)
 741                 BUFFER_FAIL(count, 2, "3DPRIMITIVE seq indirect");
 742             instr_out(data, hw_offset, 0,
 743                       "3DPRIMITIVE sequential indirect %s, %d starting from "
 744                       "%d\n", primtype, len, data[1] & 0xffff);
 745             instr_out(data, hw_offset, 1, "           start\n");
 746             return 2;
 747         }
 748     }
 749
 750     return len;
 751 }
 752
 753 static int
 754 decode_3d(uint32_t *data, int count, uint32_t hw_offset, int *failures)
 755 {
 756     unsigned int opcode;
 757
 758     struct {
 759         uint32_t opcode;
 760         int min_len;
 761         int max_len;
 762         char *name;
 763     } opcodes_3d[] = {
 764         { 0x06, 1, 1, "3DSTATE_ANTI_ALIASING" },
 765         { 0x08, 1, 1, "3DSTATE_BACKFACE_STENCIL_OPS" },
 766         { 0x09, 1, 1, "3DSTATE_BACKFACE_STENCIL_MASKS" },
 767         { 0x16, 1, 1, "3DSTATE_COORD_SET_BINDINGS" },
 768         { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
 769         { 0x0b, 1, 1, "3DSTATE_INDEPENDENT_ALPHA_BLEND" },
 770         { 0x0d, 1, 1, "3DSTATE_MODES_4" },
 771         { 0x0c, 1, 1, "3DSTATE_MODES_5" },
 772         { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
 773     };
 774
 775     switch ((data[0] & 0x1f000000) >> 24) {
 776     case 0x1f:
 777         return decode_3d_primitive(data, count, hw_offset, failures);
 778     case 0x1d:
 779         return decode_3d_1d(data, count, hw_offset, failures, 0);
 780     case 0x1c:
 781         return decode_3d_1c(data, count, hw_offset, failures);
 782     }
 783
 784     for (opcode = 0; opcode < sizeof(opcodes_3d) / sizeof(opcodes_3d[0]);
 785          opcode++) {
 786         if ((data[0] & 0x1f000000) >> 24 == opcodes_3d[opcode].opcode) {
 787             unsigned int len = 1, i;
 788
 789             instr_out(data, hw_offset, 0, "%s\n", opcodes_3d[opcode].name);
 790             if (opcodes_3d[opcode].max_len > 1) {
 791                 len = (data[0] & 0xff) + 2;
 792                 if (len < opcodes_3d[opcode].min_len ||
 793                     len > opcodes_3d[opcode].max_len)
 794                 {
 795                     fprintf(out, "Bad count in %s\n", opcodes_3d[opcode].name);
 796                 }
 797             }
 798
 799             for (i = 1; i < len; i++) {
 800                 if (i >= count)
 801                     BUFFER_FAIL(count, len, opcodes_3d[opcode].name);
 802                 instr_out(data, hw_offset, i, "dword %d\n", i);
 803             }
 804             return len;
 805         }
 806     }
 807
 808     instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
 809     (*failures)++;
 810     return 1;
 811 }
 812
 813 static const char *
 814 get_965_surfacetype(unsigned int surfacetype)
 815 {
 816     switch (surfacetype) {
 817     case 0: return "1D";
 818     case 1: return "2D";
 819     case 2: return "3D";
 820     case 3: return "CUBE";
 821     case 4: return "BUFFER";
 822     case 7: return "NULL";
 823     default: return "unknown";
 824     }
 825 }
 826
 827 static const char *
 828 get_965_depthformat(unsigned int depthformat)
 829 {
 830     switch (depthformat) {
 831     case 0: return "s8_z24float";
 832     case 1: return "z32float";
 833     case 2: return "z24s8";
 834     case 5: return "z16";
 835     default: return "unknown";
 836     }
 837 }
 838
 839 static const char *
 840 get_965_element_component(uint32_t data, int component)
 841 {
 842     uint32_t component_control = (data >> (16 + (3 - component) * 4)) & 0x7;
 843
 844     switch (component_control) {
 845     case 0:
 846         return "nostore";
 847     case 1:
 848         switch (component) {
 849         case 0: return "X";
 850         case 1: return "Y";
 851         case 2: return "Z";
 852         case 3: return "W";
 853         default: return "fail";
 854         }
 855     case 2:
 856         return "0.0";
 857     case 3:
 858         return "1.0";
 859     case 4:
 860         return "0x1";
 861     case 5:
 862         return "VID";
 863     default:
 864         return "fail";
 865     }
 866 }
 867
 868 static const char *
 869 get_965_prim_type(uint32_t data)
 870 {
 871     uint32_t primtype = (data >> 10) & 0x1f;
 872
 873     switch (primtype) {
 874     case 0x01: return "point list";
 875     case 0x02: return "line list";
 876     case 0x03: return "line strip";
 877     case 0x04: return "tri list";
 878     case 0x05: return "tri strip";
 879     case 0x06: return "tri fan";
 880     case 0x07: return "quad list";
 881     case 0x08: return "quad strip";
 882     case 0x09: return "line list adj";
 883     case 0x0a: return "line strip adj";
 884     case 0x0b: return "tri list adj";
 885     case 0x0c: return "tri strip adj";
 886     case 0x0d: return "tri strip reverse";
 887     case 0x0e: return "polygon";
 888     case 0x0f: return "rect list";
 889     case 0x10: return "line loop";
 890     case 0x11: return "point list bf";
 891     case 0x12: return "line strip cont";
 892     case 0x13: return "line strip bf";
 893     case 0x14: return "line strip cont bf";
 894     case 0x15: return "tri fan no stipple";
 895     default: return "fail";
 896     }
 897 }
 898
 899 static int
 900 decode_3d_965(uint32_t *data, int count, uint32_t hw_offset, int *failures)
 901 {
 902     unsigned int opcode, len;
 903     int i;
 904
 905     struct {
 906         uint32_t opcode;
 907         int min_len;
 908         int max_len;
 909         char *name;
 910     } opcodes_3d[] = {
 911         { 0x6000, 3, 3, "URB_FENCE" },
 912         { 0x6001, 2, 2, "CS_URB_STATE" },
 913         { 0x6002, 2, 2, "CONSTANT_BUFFER" },
 914         { 0x6101, 6, 6, "STATE_BASE_ADDRESS" },
 915         { 0x6102, 2, 2 , "STATE_SIP" },
 916         { 0x6104, 1, 1, "3DSTATE_PIPELINE_SELECT" },
 917         { 0x680b, 1, 1, "3DSTATE_VF_STATISTICS" },
 918         { 0x6904, 1, 1, "3DSTATE_PIPELINE_SELECT" },
 919         { 0x7800, 7, 7, "3DSTATE_PIPELINED_POINTERS" },
 920         { 0x7801, 6, 6, "3DSTATE_BINDING_TABLE_POINTERS" },
 921         { 0x780b, 1, 1, "3DSTATE_VF_STATISTICS" },
 922         { 0x7808, 5, 257, "3DSTATE_VERTEX_BUFFERS" },
 923         { 0x7809, 3, 256, "3DSTATE_VERTEX_ELEMENTS" },
 924         { 0x780a, 3, 3, "3DSTATE_INDEX_BUFFER" },
 925         { 0x7900, 4, 4, "3DSTATE_DRAWING_RECTANGLE" },
 926         { 0x7901, 5, 5, "3DSTATE_CONSTANT_COLOR" },
 927         { 0x7905, 5, 7, "3DSTATE_DEPTH_BUFFER" },
 928         { 0x7906, 2, 2, "3DSTATE_POLY_STIPPLE_OFFSET" },
 929         { 0x7907, 33, 33, "3DSTATE_POLY_STIPPLE_PATTERN" },
 930         { 0x7908, 3, 3, "3DSTATE_LINE_STIPPLE" },
 931         { 0x7909, 2, 2, "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP" },
 932         { 0x790a, 3, 3, "3DSTATE_AA_LINE_PARAMETERS" },
 933         { 0x7b00, 6, 6, "3DPRIMITIVE" },
 934     };
 935
 936     len = (data[0] & 0x0000ffff) + 2;
 937
 938     switch ((data[0] & 0xffff0000) >> 16) {
 939     case 0x6101:
 940         if (len != 6)
 941             fprintf(out, "Bad count in STATE_BASE_ADDRESS\n");
 942         if (count < 6)
 943             BUFFER_FAIL(count, len, "STATE_BASE_ADDRESS");
 944
 945         instr_out(data, hw_offset, 0,
 946                   "STATE_BASE_ADDRESS\n");
 947
 948         if (data[1] & 1) {
 949             instr_out(data, hw_offset, 1, "General state at 0x%08x\n",
 950                       data[1] & ~1);
 951         } else
 952             instr_out(data, hw_offset, 1, "General state not updated\n");
 953
 954         if (data[2] & 1) {
 955             instr_out(data, hw_offset, 2, "Surface state at 0x%08x\n",
 956                       data[2] & ~1);
 957         } else
 958             instr_out(data, hw_offset, 2, "Surface state not updated\n");
 959
 960         if (data[3] & 1) {
 961             instr_out(data, hw_offset, 3, "Indirect state at 0x%08x\n",
 962                       data[3] & ~1);
 963         } else
 964             instr_out(data, hw_offset, 3, "Indirect state not updated\n");
 965
 966         if (data[4] & 1) {
 967             instr_out(data, hw_offset, 4, "General state upper bound 0x%08x\n",
 968                       data[4] & ~1);
 969         } else
 970             instr_out(data, hw_offset, 4, "General state not updated\n");
 971
 972         if (data[5] & 1) {
 973             instr_out(data, hw_offset, 5, "Indirect state upper bound 0x%08x\n",
 974                       data[5] & ~1);
 975         } else
 976             instr_out(data, hw_offset, 5, "Indirect state not updated\n");
 977
 978         return len;
 979     case 0x7800:
 980         if (len != 7)
 981             fprintf(out, "Bad count in 3DSTATE_PIPELINED_POINTERS\n");
 982         if (count < 7)
 983             BUFFER_FAIL(count, len, "3DSTATE_PIPELINED_POINTERS");
 984
 985         instr_out(data, hw_offset, 0,
 986                   "3DSTATE_PIPELINED_POINTERS\n");
 987         instr_out(data, hw_offset, 1, "VS state\n");
 988         instr_out(data, hw_offset, 2, "GS state\n");
 989         instr_out(data, hw_offset, 3, "Clip state\n");
 990         instr_out(data, hw_offset, 4, "SF state\n");
 991         instr_out(data, hw_offset, 5, "WM state\n");
 992         instr_out(data, hw_offset, 6, "CC state\n");
 993         return len;
 994     case 0x7801:
 995         if (len != 6)
 996             fprintf(out, "Bad count in 3DSTATE_BINDING_TABLE_POINTERS\n");
 997         if (count < 6)
 998             BUFFER_FAIL(count, len, "3DSTATE_BINDING_TABLE_POINTERS");
 999
1000         instr_out(data, hw_offset, 0,
1001                   "3DSTATE_BINDING_TABLE_POINTERS\n");
1002         instr_out(data, hw_offset, 1, "VS binding table\n");
1003         instr_out(data, hw_offset, 2, "GS binding table\n");
1004         instr_out(data, hw_offset, 3, "Clip binding table\n");
1005         instr_out(data, hw_offset, 4, "SF binding table\n");
1006         instr_out(data, hw_offset, 5, "WM binding table\n");
1007
1008         return len;
1009
1010     case 0x7808:
1011         len = (data[0] & 0xff) + 2;
1012         if ((len - 1) % 4 != 0)
1013             fprintf(out, "Bad count in 3DSTATE_VERTEX_BUFFERS\n");
1014         if (count < len)
1015             BUFFER_FAIL(count, len, "3DSTATE_VERTEX_BUFFERS");
1016         instr_out(data, hw_offset, 0, "3DSTATE_VERTEX_BUFFERS\n");
1017
1018         for (i = 1; i < len;) {
1019             instr_out(data, hw_offset, i, "buffer %d: %s, pitch %db\n",
1020                       data[i] >> 27,
1021                       data[i] & (1 << 26) ? "random" : "sequential",
1022                       data[i] & 0x07ff);
1023             i++;
1024             instr_out(data, hw_offset, i++, "buffer address\n");
1025             instr_out(data, hw_offset, i++, "max index\n");
1026             instr_out(data, hw_offset, i++, "mbz\n");
1027         }
1028         return len;
1029
1030     case 0x7809:
1031         len = (data[0] & 0xff) + 2;
1032         if ((len + 1) % 2 != 0)
1033             fprintf(out, "Bad count in 3DSTATE_VERTEX_ELEMENTS\n");
1034         if (count < len)
1035             BUFFER_FAIL(count, len, "3DSTATE_VERTEX_ELEMENTS");
1036         instr_out(data, hw_offset, 0, "3DSTATE_VERTEX_ELEMENTS\n");
1037
1038         for (i = 1; i < len;) {
1039             instr_out(data, hw_offset, i, "buffer %d: %svalid, type 0x%04x, "
1040                       "src offset 0x%04xd bytes\n",
1041                       data[i] >> 27,
1042                       data[i] & (1 << 26) ? "" : "in",
1043                       (data[i] >> 16) & 0x1ff,
1044                       data[i] & 0x07ff);
1045             i++;
1046             instr_out(data, hw_offset, i, "(%s, %s, %s, %s), "
1047                       "dst offset 0x%02x bytes\n",
1048                       get_965_element_component(data[i], 0),
1049                       get_965_element_component(data[i], 1),
1050                       get_965_element_component(data[i], 2),
1051                       get_965_element_component(data[i], 3),
1052                       (data[i] & 0xff) * 4);
1053             i++;
1054         }
1055         return len;
1056
1057     case 0x780a:
1058         len = (data[0] & 0xff) + 2;
1059         if (len != 3)
1060             fprintf(out, "Bad count in 3DSTATE_INDEX_BUFFER\n");
1061         if (count < len)
1062             BUFFER_FAIL(count, len, "3DSTATE_INDEX_BUFFER");
1063         instr_out(data, hw_offset, 0, "3DSTATE_INDEX_BUFFER\n");
1064         instr_out(data, hw_offset, 1, "beginning buffer address\n");
1065         instr_out(data, hw_offset, 2, "ending buffer address\n");
1066         return len;
1067
1068     case 0x7900:
1069         if (len != 4)
1070             fprintf(out, "Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
1071         if (count < 4)
1072             BUFFER_FAIL(count, len, "3DSTATE_DRAWING_RECTANGLE");
1073
1074         instr_out(data, hw_offset, 0,
1075                   "3DSTATE_DRAWING_RECTANGLE\n");
1076         instr_out(data, hw_offset, 1, "top left: %d,%d\n",
1077                   data[1] & 0xffff,
1078                   (data[1] >> 16) & 0xffff);
1079         instr_out(data, hw_offset, 2, "bottom right: %d,%d\n",
1080                   data[2] & 0xffff,
1081                   (data[2] >> 16) & 0xffff);
1082         instr_out(data, hw_offset, 3, "origin: %d,%d\n",
1083                   (int)data[3] & 0xffff,
1084                   ((int)data[3] >> 16) & 0xffff);
1085
1086         return len;
1087
1088     case 0x7905:
1089         if (len != 5 && len != 6)
1090             fprintf(out, "Bad count in 3DSTATE_DEPTH_BUFFER\n");
1091         if (count < len)
1092             BUFFER_FAIL(count, len, "3DSTATE_DEPTH_BUFFER");
1093
1094         instr_out(data, hw_offset, 0,
1095                   "3DSTATE_DEPTH_BUFFER\n");
1096         instr_out(data, hw_offset, 1, "%s, %s, pitch = %d bytes, %stiled\n",
1097                   get_965_surfacetype(data[1] >> 29),
1098                   get_965_depthformat((data[1] >> 18) & 0x7),
1099                   (data[1] & 0x0001ffff) + 1,
1100                   data[1] & (1 << 27) ? "" : "not ");
1101         instr_out(data, hw_offset, 2, "depth offset\n");
1102         instr_out(data, hw_offset, 3, "%dx%d\n",
1103                   ((data[3] & 0x0007ffc0) >> 6) + 1,
1104                   ((data[3] & 0xfff80000) >> 19) + 1);
1105         instr_out(data, hw_offset, 4, "volume depth\n");
1106         if (len == 6)
1107             instr_out(data, hw_offset, 5, "\n");
1108
1109         return len;
1110
1111     case 0x7b00:
1112         len = (data[0] & 0xff) + 2;
1113         if (len != 6)
1114             fprintf(out, "Bad count in 3DPRIMITIVE\n");
1115         if (count < len)
1116             BUFFER_FAIL(count, len, "3DPRIMITIVE");
1117
1118         instr_out(data, hw_offset, 0,
1119                   "3DPRIMITIVE: %s %s\n",
1120                   get_965_prim_type(data[0]),
1121                   (data[0] & (1 << 15)) ? "random" : "sequential");
1122         instr_out(data, hw_offset, 1, "primitive count\n");
1123         instr_out(data, hw_offset, 2, "start vertex\n");
1124         instr_out(data, hw_offset, 3, "instance count\n");
1125         instr_out(data, hw_offset, 4, "start instance\n");
1126         instr_out(data, hw_offset, 5, "index bias\n");
1127         return len;
1128     }
1129
1130     for (opcode = 0; opcode < sizeof(opcodes_3d) / sizeof(opcodes_3d[0]);
1131          opcode++) {
1132         if ((data[0] & 0xffff0000) >> 16 == opcodes_3d[opcode].opcode) {
1133             unsigned int i;
1134             len = 1;
1135
1136             instr_out(data, hw_offset, 0, "%s\n", opcodes_3d[opcode].name);
1137             if (opcodes_3d[opcode].max_len > 1) {
1138                 len = (data[0] & 0xff) + 2;
1139                 if (len < opcodes_3d[opcode].min_len ||
1140                     len > opcodes_3d[opcode].max_len)
1141                 {
1142                     fprintf(out, "Bad count in %s\n", opcodes_3d[opcode].name);
1143                 }
1144             }
1145
1146             for (i = 1; i < len; i++) {
1147                 if (i >= count)
1148                     BUFFER_FAIL(count, len, opcodes_3d[opcode].name);
1149                 instr_out(data, hw_offset, i, "dword %d\n", i);
1150             }
1151             return len;
1152         }
1153     }
1154
1155     instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
1156     (*failures)++;
1157     return 1;
1158 }
1159
1160 static int
1161 decode_3d_i830(uint32_t *data, int count, uint32_t hw_offset, int *failures)
1162 {
1163     unsigned int opcode;
1164
1165     struct {
1166         uint32_t opcode;
1167         int min_len;
1168         int max_len;
1169         char *name;
1170     } opcodes_3d[] = {
1171         { 0x02, 1, 1, "3DSTATE_MODES_3" },
1172         { 0x03, 1, 1, "3DSTATE_ENABLES_1"},
1173         { 0x04, 1, 1, "3DSTATE_ENABLES_2"},
1174         { 0x05, 1, 1, "3DSTATE_VFT0"},
1175         { 0x06, 1, 1, "3DSTATE_AA"},
1176         { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
1177         { 0x08, 1, 1, "3DSTATE_MODES_1" },
1178         { 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
1179         { 0x0a, 1, 1, "3DSTATE_VFT1"},
1180         { 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
1181         { 0x0c, 1, 1, "3DSTATE_MODES_5" },
1182         { 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
1183         { 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
1184         { 0x0f, 1, 1, "3DSTATE_MODES_2" },
1185         { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
1186         { 0x16, 1, 1, "3DSTATE_MODES_4" },
1187     };
1188
1189     switch ((data[0] & 0x1f000000) >> 24) {
1190     case 0x1f:
1191         return decode_3d_primitive(data, count, hw_offset, failures);
1192     case 0x1d:
1193         return decode_3d_1d(data, count, hw_offset, failures, 1);
1194     case 0x1c:
1195         return decode_3d_1c(data, count, hw_offset, failures);
1196     }
1197
1198     for (opcode = 0; opcode < sizeof(opcodes_3d) / sizeof(opcodes_3d[0]);
1199          opcode++) {
1200         if ((data[0] & 0x1f000000) >> 24 == opcodes_3d[opcode].opcode) {
1201             unsigned int len = 1, i;
1202
1203             instr_out(data, hw_offset, 0, "%s\n", opcodes_3d[opcode].name);
1204             if (opcodes_3d[opcode].max_len > 1) {
1205                 len = (data[0] & 0xff) + 2;
1206                 if (len < opcodes_3d[opcode].min_len ||
1207                     len > opcodes_3d[opcode].max_len)
1208                 {
1209                     fprintf(out, "Bad count in %s\n", opcodes_3d[opcode].name);
1210                 }
1211             }
1212
1213             for (i = 1; i < len; i++) {
1214                 if (i >= count)
1215                     BUFFER_FAIL(count, len, opcodes_3d[opcode].name);
1216                 instr_out(data, hw_offset, i, "dword %d\n", i);
1217             }
1218             return len;
1219         }
1220     }
1221
1222     instr_out(data, hw_offset, 0, "3D UNKNOWN\n");
1223     (*failures)++;
1224     return 1;
1225 }
1226
1227 /**
1228  * Decodes an i830-i915 batch buffer, writing the output to stdout.
1229  *
1230  * \param data batch buffer contents
1231  * \param count number of DWORDs to decode in the batch buffer
1232  * \param hw_offset hardware address for the buffer
1233  */
1234 int
1235 intel_decode(uint32_t *data, int count, uint32_t hw_offset, uint32_t devid)
1236 {
1237     int index = 0;
1238     int failures = 0;
1239
1240     out = stderr;
1241
1242     while (index < count) {
1243         switch ((data[index] & 0xe0000000) >> 29) {
1244         case 0x0:
1245             index += decode_mi(data + index, count - index,
1246                                hw_offset + index * 4, &failures);
1247             break;
1248         case 0x2:
1249             index += decode_2d(data + index, count - index,
1250                                hw_offset + index * 4, &failures);
1251             break;
1252         case 0x3:
1253             if (IS_965(devid)) {
1254                 index += decode_3d_965(data + index, count - index,
1255                                        hw_offset + index * 4, &failures);
1256             } else if (IS_9XX(devid)) {
1257                 index += decode_3d(data + index, count - index,
1258                                    hw_offset + index * 4, &failures);
1259             } else {
1260                 index += decode_3d_i830(data + index, count - index,
1261                                         hw_offset + index * 4, &failures);
1262             }
1263             break;
1264         default:
1265             instr_out(data, hw_offset, index, "UNKNOWN\n");
1266             failures++;
1267             index++;
1268             break;
1269         }
1270         fflush(out);
1271     }
1272
1273     return failures;
1274 }
1275
1276 void intel_decode_context_reset(void)
1277 {
1278     saved_s2_set = 0;
1279     saved_s4_set = 1;
1280 }
1281