src/gallium/drivers/llvmpipe/lp_rast_debug.c

   1 #include <inttypes.h>  /* for PRIu64 macro */
   2 #include "util/u_math.h"
   3 #include "lp_rast_priv.h"
   4 #include "lp_state_fs.h"
   5
   6 struct tile {
   7    int coverage;
   8    int overdraw;
   9    const struct lp_rast_state *state;
  10    char data[TILE_SIZE][TILE_SIZE];
  11 };
  12
  13 static char get_label( int i )
  14 {
  15    static const char *cmd_labels = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
  16    unsigned max_label = (2*26+10);
  17
  18    if (i < max_label)
  19       return cmd_labels[i];
  20    else
  21       return '?';
  22 }
  23
  24
  25
  26 static const char *cmd_names[LP_RAST_OP_MAX] =
  27 {
  28    "clear_color",
  29    "clear_zstencil",
  30    "triangle_1",
  31    "triangle_2",
  32    "triangle_3",
  33    "triangle_4",
  34    "triangle_5",
  35    "triangle_6",
  36    "triangle_7",
  37    "triangle_8",
  38    "triangle_3_4",
  39    "triangle_3_16",
  40    "triangle_4_16",
  41    "shade_tile",
  42    "shade_tile_opaque",
  43    "begin_query",
  44    "end_query",
  45    "set_state",
  46 };
  47
  48 static const char *cmd_name(unsigned cmd)
  49 {
  50    assert(Elements(cmd_names) > cmd);
  51    return cmd_names[cmd];
  52 }
  53
  54 static const struct lp_fragment_shader_variant *
  55 get_variant( const struct lp_rast_state *state,
  56              const struct cmd_block *block,
  57              int k )
  58 {
  59    if (!state)
  60       return NULL;
  61
  62    if (block->cmd[k] == LP_RAST_OP_SHADE_TILE ||
  63        block->cmd[k] == LP_RAST_OP_SHADE_TILE_OPAQUE ||
  64        block->cmd[k] == LP_RAST_OP_TRIANGLE_1 ||
  65        block->cmd[k] == LP_RAST_OP_TRIANGLE_2 ||
  66        block->cmd[k] == LP_RAST_OP_TRIANGLE_3 ||
  67        block->cmd[k] == LP_RAST_OP_TRIANGLE_4 ||
  68        block->cmd[k] == LP_RAST_OP_TRIANGLE_5 ||
  69        block->cmd[k] == LP_RAST_OP_TRIANGLE_6 ||
  70        block->cmd[k] == LP_RAST_OP_TRIANGLE_7)
  71       return state->variant;
  72
  73    return NULL;
  74 }
  75
  76
  77 static boolean
  78 is_blend( const struct lp_rast_state *state,
  79           const struct cmd_block *block,
  80           int k )
  81 {
  82    const struct lp_fragment_shader_variant *variant = get_variant(state, block, k);
  83
  84    if (variant)
  85       return  variant->key.blend.rt[0].blend_enable;
  86
  87    return FALSE;
  88 }
  89
  90
  91
  92 static void
  93 debug_bin( const struct cmd_bin *bin )
  94 {
  95    const struct lp_rast_state *state = NULL;
  96    const struct cmd_block *head = bin->head;
  97    int i, j = 0;
  98
  99    debug_printf("bin %d,%d:\n", bin->x, bin->y);
 100
 101    while (head) {
 102       for (i = 0; i < head->count; i++, j++) {
 103          if (head->cmd[i] == LP_RAST_OP_SET_STATE)
 104             state = head->arg[i].state;
 105
 106          debug_printf("%d: %s %s\n", j,
 107                       cmd_name(head->cmd[i]),
 108                       is_blend(state, head, i) ? "blended" : "");
 109       }
 110       head = head->next;
 111    }
 112 }
 113
 114
 115 static void plot(struct tile *tile,
 116                  int x, int y,
 117                  char val,
 118                  boolean blend)
 119 {
 120    if (tile->data[x][y] == ' ')
 121       tile->coverage++;
 122    else
 123       tile->overdraw++;
 124
 125    tile->data[x][y] = val;
 126 }
 127
 128
 129
 130
 131
 132
 133 static int
 134 debug_shade_tile(int x, int y,
 135                  const union lp_rast_cmd_arg arg,
 136                  struct tile *tile,
 137                  char val)
 138 {
 139    const struct lp_rast_shader_inputs *inputs = arg.shade_tile;
 140    boolean blend;
 141    unsigned i,j;
 142
 143    if (!tile->state)
 144       return 0;
 145
 146    blend = tile->state->variant->key.blend.rt[0].blend_enable;
 147
 148    if (inputs->disable)
 149       return 0;
 150
 151    for (i = 0; i < TILE_SIZE; i++)
 152       for (j = 0; j < TILE_SIZE; j++)
 153          plot(tile, i, j, val, blend);
 154
 155    return TILE_SIZE * TILE_SIZE;
 156 }
 157
 158 static int
 159 debug_clear_tile(int x, int y,
 160                  const union lp_rast_cmd_arg arg,
 161                  struct tile *tile,
 162                  char val)
 163 {
 164    unsigned i,j;
 165
 166    for (i = 0; i < TILE_SIZE; i++)
 167       for (j = 0; j < TILE_SIZE; j++)
 168          plot(tile, i, j, val, FALSE);
 169
 170    return TILE_SIZE * TILE_SIZE;
 171
 172 }
 173
 174
 175 static int
 176 debug_triangle(int tilex, int tiley,
 177                const union lp_rast_cmd_arg arg,
 178                struct tile *tile,
 179                char val)
 180 {
 181    const struct lp_rast_triangle *tri = arg.triangle.tri;
 182    unsigned plane_mask = arg.triangle.plane_mask;
 183    const struct lp_rast_plane *tri_plane = GET_PLANES(tri);
 184    struct lp_rast_plane plane[8];
 185    int x, y;
 186    int count = 0;
 187    unsigned i, nr_planes = 0;
 188    boolean blend = tile->state->variant->key.blend.rt[0].blend_enable;
 189
 190    if (tri->inputs.disable) {
 191       /* This triangle was partially binned and has been disabled */
 192       return 0;
 193    }
 194
 195    while (plane_mask) {
 196       plane[nr_planes] = tri_plane[u_bit_scan(&plane_mask)];
 197       plane[nr_planes].c = (plane[nr_planes].c +
 198                             plane[nr_planes].dcdy * tiley -
 199                             plane[nr_planes].dcdx * tilex);
 200       nr_planes++;
 201    }
 202
 203    for(y = 0; y < TILE_SIZE; y++)
 204    {
 205       for(x = 0; x < TILE_SIZE; x++)
 206       {
 207          for (i = 0; i < nr_planes; i++)
 208             if (plane[i].c <= 0)
 209                goto out;
 210
 211          plot(tile, x, y, val, blend);
 212          count++;
 213
 214       out:
 215          for (i = 0; i < nr_planes; i++)
 216             plane[i].c -= plane[i].dcdx;
 217       }
 218
 219       for (i = 0; i < nr_planes; i++) {
 220          plane[i].c += plane[i].dcdx * TILE_SIZE;
 221          plane[i].c += plane[i].dcdy;
 222       }
 223    }
 224    return count;
 225 }
 226
 227
 228
 229
 230
 231 static void
 232 do_debug_bin( struct tile *tile,
 233               const struct cmd_bin *bin,
 234               boolean print_cmds)
 235 {
 236    unsigned k, j = 0;
 237    const struct cmd_block *block;
 238
 239    int tx = bin->x * TILE_SIZE;
 240    int ty = bin->y * TILE_SIZE;
 241
 242    memset(tile->data, ' ', sizeof tile->data);
 243    tile->coverage = 0;
 244    tile->overdraw = 0;
 245    tile->state = NULL;
 246
 247    for (block = bin->head; block; block = block->next) {
 248       for (k = 0; k < block->count; k++, j++) {
 249          boolean blend = is_blend(tile->state, block, k);
 250          char val = get_label(j);
 251          int count = 0;
 252
 253          if (print_cmds)
 254             debug_printf("%c: %15s", val, cmd_name(block->cmd[k]));
 255
 256          if (block->cmd[k] == LP_RAST_OP_SET_STATE)
 257             tile->state = block->arg[k].state;
 258
 259          if (block->cmd[k] == LP_RAST_OP_CLEAR_COLOR ||
 260              block->cmd[k] == LP_RAST_OP_CLEAR_ZSTENCIL)
 261             count = debug_clear_tile(tx, ty, block->arg[k], tile, val);
 262
 263          if (block->cmd[k] == LP_RAST_OP_SHADE_TILE ||
 264              block->cmd[k] == LP_RAST_OP_SHADE_TILE_OPAQUE)
 265             count = debug_shade_tile(tx, ty, block->arg[k], tile, val);
 266
 267          if (block->cmd[k] == LP_RAST_OP_TRIANGLE_1 ||
 268              block->cmd[k] == LP_RAST_OP_TRIANGLE_2 ||
 269              block->cmd[k] == LP_RAST_OP_TRIANGLE_3 ||
 270              block->cmd[k] == LP_RAST_OP_TRIANGLE_4 ||
 271              block->cmd[k] == LP_RAST_OP_TRIANGLE_5 ||
 272              block->cmd[k] == LP_RAST_OP_TRIANGLE_6 ||
 273              block->cmd[k] == LP_RAST_OP_TRIANGLE_7)
 274             count = debug_triangle(tx, ty, block->arg[k], tile, val);
 275
 276          if (print_cmds) {
 277             debug_printf(" % 5d", count);
 278
 279             if (blend)
 280                debug_printf(" blended");
 281
 282             debug_printf("\n");
 283          }
 284       }
 285    }
 286 }
 287
 288 void
 289 lp_debug_bin( const struct cmd_bin *bin)
 290 {
 291    struct tile tile;
 292    int x,y;
 293
 294    if (bin->head) {
 295       do_debug_bin(&tile, bin, TRUE);
 296
 297       debug_printf("------------------------------------------------------------------\n");
 298       for (y = 0; y < TILE_SIZE; y++) {
 299          for (x = 0; x < TILE_SIZE; x++) {
 300             debug_printf("%c", tile.data[y][x]);
 301          }
 302          debug_printf("|\n");
 303       }
 304       debug_printf("------------------------------------------------------------------\n");
 305
 306       debug_printf("each pixel drawn avg %f times\n",
 307                    ((float)tile.overdraw + tile.coverage)/(float)tile.coverage);
 308    }
 309 }
 310
 311
 312
 313
 314
 315
 316 /** Return number of bytes used for a single bin */
 317 static unsigned
 318 lp_scene_bin_size( const struct lp_scene *scene, unsigned x, unsigned y )
 319 {
 320    struct cmd_bin *bin = lp_scene_get_bin((struct lp_scene *) scene, x, y);
 321    const struct cmd_block *cmd;
 322    unsigned size = 0;
 323    for (cmd = bin->head; cmd; cmd = cmd->next) {
 324       size += (cmd->count *
 325                (sizeof(uint8_t) + sizeof(union lp_rast_cmd_arg)));
 326    }
 327    return size;
 328 }
 329
 330
 331
 332 void
 333 lp_debug_draw_bins_by_coverage( struct lp_scene *scene )
 334 {
 335    unsigned x, y;
 336    unsigned total = 0;
 337    unsigned possible = 0;
 338    static uint64_t _total = 0;
 339    static uint64_t _possible = 0;
 340
 341    for (x = 0; x < scene->tiles_x; x++)
 342       debug_printf("-");
 343    debug_printf("\n");
 344
 345    for (y = 0; y < scene->tiles_y; y++) {
 346       for (x = 0; x < scene->tiles_x; x++) {
 347          struct cmd_bin *bin = lp_scene_get_bin(scene, x, y);
 348          const char *bits = "0123456789";
 349          struct tile tile;
 350
 351          if (bin->head) {
 352             //lp_debug_bin(bin);
 353
 354             do_debug_bin(&tile, bin, FALSE);
 355
 356             total += tile.coverage;
 357             possible += 64*64;
 358
 359             if (tile.coverage == 64*64)
 360                debug_printf("*");
 361             else if (tile.coverage) {
 362                int bit = tile.coverage/(64.0*64.0)*10;
 363                debug_printf("%c", bits[MIN2(bit,10)]);
 364             }
 365             else
 366                debug_printf("?");
 367          }
 368          else {
 369             debug_printf(" ");
 370          }
 371       }
 372       debug_printf("|\n");
 373    }
 374
 375    for (x = 0; x < scene->tiles_x; x++)
 376       debug_printf("-");
 377    debug_printf("\n");
 378
 379    debug_printf("this tile total: %u possible %u: percentage: %f\n",
 380                 total,
 381                 possible,
 382                 total * 100.0 / (float)possible);
 383
 384    _total += total;
 385    _possible += possible;
 386
 387
 388    debug_printf("overall   total: %" PRIu64
 389                 " possible %" PRIu64 ": percentage: %f\n",
 390                 _total,
 391                 _possible,
 392                 (double) _total * 100.0 / (double)_possible);
 393 }
 394
 395
 396 void
 397 lp_debug_draw_bins_by_cmd_length( struct lp_scene *scene )
 398 {
 399    unsigned x, y;
 400
 401    for (y = 0; y < scene->tiles_y; y++) {
 402       for (x = 0; x < scene->tiles_x; x++) {
 403          const char *bits = " ...,-~:;=o+xaw*#XAWWWWWWWWWWWWWWWW";
 404          unsigned sz = lp_scene_bin_size(scene, x, y);
 405          unsigned sz2 = util_logbase2(sz);
 406          debug_printf("%c", bits[MIN2(sz2,32)]);
 407       }
 408       debug_printf("\n");
 409    }
 410 }
 411
 412
 413 void
 414 lp_debug_bins( struct lp_scene *scene )
 415 {
 416    unsigned x, y;
 417
 418    for (y = 0; y < scene->tiles_y; y++) {
 419       for (x = 0; x < scene->tiles_x; x++) {
 420          struct cmd_bin *bin = lp_scene_get_bin(scene, x, y);
 421          if (bin->head) {
 422             debug_bin(bin);
 423          }
 424       }
 425    }
 426 }