src/freedreno/fdl/fd6_layout_test.c

   1 /*
   2  * Copyright © 2020 Google LLC
   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 "freedreno_layout.h"
  25 #include "adreno_common.xml.h"
  26 #include "a6xx.xml.h"
  27
  28 #include <stdio.h>
  29
  30 struct testcase {
  31         enum pipe_format format;
  32
  33         int array_size; /* Size for array textures, or 0 otherwise. */
  34         bool is_3d;
  35
  36     /* Partially filled layout of input parameters and expected results. */
  37         struct fdl_layout layout;
  38 };
  39
  40 static const struct testcase testcases[] = {
  41         /* A straightforward first testcase, linear, with an obvious format. */
  42         {
  43                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
  44                 .layout = {
  45                         .width0 = 32, .height0 = 32,
  46                         .slices = {
  47                                 { .offset = 0, .pitch = 256 },
  48                                 { .offset = 8192, .pitch = 256 },
  49                                 { .offset = 12288, .pitch = 256 },
  50                                 { .offset = 14336, .pitch = 256 },
  51                                 { .offset = 15360, .pitch = 256 },
  52                                 { .offset = 15872, .pitch = 256 },
  53                         },
  54                 },
  55         },
  56
  57         /* A tiled/ubwc layout from the blob driver, at a size where the a630 blob
  58          * driver does something interesting for linear.
  59          */
  60         {
  61                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
  62                 .layout = {
  63                         .tile_mode = TILE6_3,
  64                         .ubwc = true,
  65                         .width0 = 1024, .height0 = 1,
  66                         .slices = {
  67                                 { .offset = 0, .pitch = 4096 },
  68                                 { .offset = 65536, .pitch = 2048 },
  69                                 { .offset = 98304, .pitch = 1024 },
  70                                 { .offset = 114688, .pitch = 512 },
  71                                 { .offset = 122880, .pitch = 256 },
  72                                 { .offset = 126976, .pitch = 256 },
  73                                 { .offset = 131072, .pitch = 256 },
  74                                 { .offset = 135168, .pitch = 256 },
  75                                 { .offset = 139264, .pitch = 256 },
  76                                 { .offset = 143360, .pitch = 256 },
  77                                 { .offset = 147456, .pitch = 256 },
  78                         },
  79                         .ubwc_slices = {
  80                                 { .offset = 0, .pitch = 64 },
  81                                 { .offset = 4096, .pitch = 64 },
  82                                 { .offset = 8192, .pitch = 64 },
  83                                 { .offset = 12288, .pitch = 64 },
  84                                 { .offset = 16384, .pitch = 64 },
  85                                 { .offset = 20480, .pitch = 64 },
  86                                 { .offset = 24576, .pitch = 64 },
  87                                 { .offset = 28672, .pitch = 64 },
  88                                 { .offset = 32768, .pitch = 64 },
  89                                 { .offset = 36864, .pitch = 64 },
  90                                 { .offset = 40960, .pitch = 64 },
  91                         },
  92                 },
  93         },
  94
  95         /* An interesting layout from the blob driver on a630, showing that
  96          * per-level pitch must be derived from level 0's pitch, not width0.  We
  97          * don't do this level 0 pitch disalignment (we pick 4096), so disabled
  98          * this test for now.
  99          */
 100 #if 0
 101         {
 102                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
 103                 .layout = {
 104                         .width0 = 1024, .height0 = 1,
 105                         .slices = {
 106                                 { .offset = 0, .pitch = 5120 },
 107                                 { .offset = 5120, .pitch = 2560 },
 108                                 { .offset = 7680, .pitch = 1280 },
 109                                 { .offset = 8960, .pitch = 768 },
 110                                 { .offset = 9728, .pitch = 512 },
 111                                 { .offset = 10240, .pitch = 256 },
 112                                 { .offset = 10496, .pitch = 256 },
 113                                 { .offset = 10752, .pitch = 256 },
 114                                 { .offset = 11008, .pitch = 256 },
 115                                 { .offset = 11264, .pitch = 256 },
 116                                 { .offset = 11520, .pitch = 256 },
 117                         },
 118                 },
 119         },
 120 #endif
 121
 122         /* A layout that we failed on (129 wide has a surprise level 1 pitch
 123          * increase), and the sizes bracketing it.
 124          */
 125         {
 126                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
 127                 .layout = {
 128                         .width0 = 128, .height0 = 1,
 129                         .slices = {
 130                                 { .offset = 0, .pitch = 512 },
 131                                 { .offset = 512, .pitch = 256 },
 132                                 { .offset = 768, .pitch = 256 },
 133                                 { .offset = 1024, .pitch = 256 },
 134                                 { .offset = 1280, .pitch = 256 },
 135                                 { .offset = 1536, .pitch = 256 },
 136                                 { .offset = 1792, .pitch = 256 },
 137                                 { .offset = 2048, .pitch = 256 },
 138                         },
 139                 },
 140         },
 141         {
 142                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
 143                 .layout = {
 144                         .width0 = 129, .height0 = 1,
 145                         .slices = {
 146                                 { .offset = 0, .pitch = 768 },
 147                                 { .offset = 768, .pitch = 512 },
 148                                 { .offset = 1280, .pitch = 256 },
 149                                 { .offset = 1536, .pitch = 256 },
 150                                 { .offset = 1792, .pitch = 256 },
 151                                 { .offset = 2048, .pitch = 256 },
 152                                 { .offset = 2304, .pitch = 256 },
 153                                 { .offset = 2560, .pitch = 256 },
 154                         },
 155                 },
 156         },
 157         {
 158                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
 159                 .layout = {
 160                         .width0 = 130, .height0 = 1,
 161                         .slices = {
 162                                 { .offset = 0, .pitch = 768 },
 163                                 { .offset = 768, .pitch = 512 },
 164                                 { .offset = 1280, .pitch = 256 },
 165                                 { .offset = 1536, .pitch = 256 },
 166                                 { .offset = 1792, .pitch = 256 },
 167                                 { .offset = 2048, .pitch = 256 },
 168                                 { .offset = 2304, .pitch = 256 },
 169                                 { .offset = 2560, .pitch = 256 },
 170                         },
 171                 },
 172         },
 173
 174         /* The 129 failure seems to be across formats, let's test some cpps */
 175         {
 176                 .format = PIPE_FORMAT_R8_UNORM,
 177                 .layout = {
 178                         .width0 = 129, .height0 = 1,
 179                         .slices = {
 180                                 { .offset = 0, .pitch = 192 },
 181                                 { .offset = 192, .pitch = 128 },
 182                                 { .offset = 320, .pitch = 64 },
 183                                 { .offset = 384, .pitch = 64 },
 184                                 { .offset = 448, .pitch = 64 },
 185                                 { .offset = 512, .pitch = 64 },
 186                                 { .offset = 576, .pitch = 64 },
 187                                 { .offset = 640, .pitch = 64 },
 188                         },
 189                 },
 190         },
 191         {
 192                 .format = PIPE_FORMAT_R16_UINT,
 193                 .layout = {
 194                         .width0 = 129, .height0 = 1,
 195                         .slices = {
 196                                 { .offset = 0, .pitch = 384 },
 197                                 { .offset = 384, .pitch = 256 },
 198                                 { .offset = 640, .pitch = 128 },
 199                                 { .offset = 768, .pitch = 128 },
 200                                 { .offset = 896, .pitch = 128 },
 201                                 { .offset = 1024, .pitch = 128 },
 202                                 { .offset = 1152, .pitch = 128 },
 203                                 { .offset = 1280, .pitch = 128 },
 204                         },
 205                 },
 206         },
 207         {
 208                 .format = PIPE_FORMAT_R32G32B32A32_FLOAT,
 209                 .layout = {
 210                         .width0 = 129, .height0 = 1,
 211                         .slices = {
 212                                 { .offset = 0, .pitch = 3072 },
 213                                 { .offset = 3072, .pitch = 2048 },
 214                                 { .offset = 5120, .pitch = 1024 },
 215                                 { .offset = 6144, .pitch = 1024 },
 216                                 { .offset = 7168, .pitch = 1024 },
 217                                 { .offset = 8192, .pitch = 1024 },
 218                                 { .offset = 9216, .pitch = 1024 },
 219                                 { .offset = 10240, .pitch = 1024 },
 220                         },
 221                 },
 222         },
 223
 224         /* The 129 failure replicated at every +256 pixels wide.  Pick one of
 225          * them, and this time increase the height as a new variable as well.
 226          */
 227         {
 228                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
 229                 .layout = {
 230                         .width0 = 385, .height0 = 128,
 231                         .slices = {
 232                                 { .offset = 0, .pitch = 1792 },
 233                                 { .offset = 229376, .pitch = 1024 },
 234                                 { .offset = 294912, .pitch = 512 },
 235                                 { .offset = 311296, .pitch = 256 },
 236                                 { .offset = 315392, .pitch = 256 },
 237                                 { .offset = 317440, .pitch = 256 },
 238                                 { .offset = 318464, .pitch = 256 },
 239                                 { .offset = 318976, .pitch = 256 },
 240                                 { .offset = 319232, .pitch = 256 },
 241                         },
 242                 },
 243         },
 244
 245         /* At 257-259 (and replicated every +256 pixels) we had another failure. */
 246         {
 247                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
 248                 .layout = {
 249                         .width0 = 257, .height0 = 1,
 250                         .slices = {
 251                                 { .offset = 0, .pitch = 1280 },
 252                                 { .offset = 1280, .pitch = 768 },
 253                                 { .offset = 2048, .pitch = 512 },
 254                                 { .offset = 2560, .pitch = 256 },
 255                                 { .offset = 2816, .pitch = 256 },
 256                                 { .offset = 3072, .pitch = 256 },
 257                                 { .offset = 3328, .pitch = 256 },
 258                                 { .offset = 3584, .pitch = 256 },
 259                                 { .offset = 3840, .pitch = 256 },
 260                         },
 261                 },
 262         },
 263         {
 264                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
 265                 .layout = {
 266                         .width0 = 258, .height0 = 1,
 267                         .slices = {
 268                                 { .offset = 0, .pitch = 1280 },
 269                                 { .offset = 1280, .pitch = 768 },
 270                                 { .offset = 2048, .pitch = 512 },
 271                                 { .offset = 2560, .pitch = 256 },
 272                                 { .offset = 2816, .pitch = 256 },
 273                                 { .offset = 3072, .pitch = 256 },
 274                                 { .offset = 3328, .pitch = 256 },
 275                                 { .offset = 3584, .pitch = 256 },
 276                                 { .offset = 3840, .pitch = 256 },
 277                         },
 278                 },
 279         },
 280         {
 281                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
 282                 .layout = {
 283                         .width0 = 259, .height0 = 1,
 284                         .slices = {
 285                                 { .offset = 0, .pitch = 1280 },
 286                                 { .offset = 1280, .pitch = 768 },
 287                                 { .offset = 2048, .pitch = 512 },
 288                                 { .offset = 2560, .pitch = 256 },
 289                                 { .offset = 2816, .pitch = 256 },
 290                                 { .offset = 3072, .pitch = 256 },
 291                                 { .offset = 3328, .pitch = 256 },
 292                                 { .offset = 3584, .pitch = 256 },
 293                                 { .offset = 3840, .pitch = 256 },
 294                         },
 295                 },
 296         },
 297         {
 298                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
 299                 .layout = {
 300                         .width0 = 260, .height0 = 1,
 301                         .slices = {
 302                                 { .offset = 0, .pitch = 1280 },
 303                                 { .offset = 1280, .pitch = 768 },
 304                                 { .offset = 2048, .pitch = 512 },
 305                                 { .offset = 2560, .pitch = 256 },
 306                                 { .offset = 2816, .pitch = 256 },
 307                                 { .offset = 3072, .pitch = 256 },
 308                                 { .offset = 3328, .pitch = 256 },
 309                                 { .offset = 3584, .pitch = 256 },
 310                                 { .offset = 3840, .pitch = 256 },
 311                         },
 312                 },
 313         },
 314
 315         /* And, again for the 257-9 failure, test a replica with a larger size*/
 316         {
 317                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
 318                 .layout = {
 319                         .width0 = 513, .height0 = 32,
 320                         .slices = {
 321                                 { .offset = 0, .pitch = 2304 },
 322                                 { .offset = 73728, .pitch = 1280 },
 323                                 { .offset = 94208, .pitch = 768 },
 324                                 { .offset = 100352, .pitch = 512 },
 325                                 { .offset = 102400, .pitch = 256 },
 326                                 { .offset = 102912, .pitch = 256 },
 327                                 { .offset = 103168, .pitch = 256 },
 328                                 { .offset = 103424, .pitch = 256 },
 329                                 { .offset = 103680, .pitch = 256 },
 330                                 { .offset = 103936, .pitch = 256 },
 331                         },
 332                 },
 333         },
 334
 335         /* Oh, look.  The 513-517 failure extends up to 518 at the next texture
 336          * level!
 337          */
 338         {
 339                 .format = PIPE_FORMAT_R8G8B8A8_UNORM,
 340                 .layout = {
 341                         .width0 = 518, .height0 = 1,
 342                         .slices = {
 343                                 { .offset = 0, .pitch = 2304 },
 344                                 { .offset = 2304, .pitch = 1280 },
 345                                 { .offset = 3584, .pitch = 768 },
 346                                 { .offset = 4352, .pitch = 512 },
 347                                 { .offset = 4864, .pitch = 256 },
 348                                 { .offset = 5120, .pitch = 256 },
 349                                 { .offset = 5376, .pitch = 256 },
 350                                 { .offset = 5632, .pitch = 256 },
 351                                 { .offset = 5888, .pitch = 256 },
 352                                 { .offset = 6144, .pitch = 256 },
 353                         },
 354                 },
 355         },
 356
 357         /* Tiled mode testing of the unusual 1/2-bytes-per-pixel pitch alignment */
 358         {
 359                 .format = PIPE_FORMAT_R8_UNORM,
 360                 .layout = {
 361                         .tile_mode = TILE6_3,
 362                         .width0 = 129, .height0 = 1,
 363                         .slices = {
 364                                 { .offset = 0, .pitch = 256 },
 365                                 { .offset = 8192, .pitch = 128 },
 366                                 { .offset = 12288, .pitch = 128 },
 367                                 { .offset = 16384, .pitch = 128 },
 368                                 { .offset = 20480, .pitch = 64 },
 369                                 { .offset = 20544, .pitch = 64 },
 370                                 { .offset = 20608, .pitch = 64 },
 371                                 { .offset = 20672, .pitch = 64 },
 372                         },
 373                 },
 374         },
 375
 376 };
 377
 378 static bool test_layout(const struct testcase *testcase)
 379 {
 380         struct fdl_layout layout = {
 381                 .ubwc = testcase->layout.ubwc,
 382                 .tile_mode = testcase->layout.tile_mode,
 383         };
 384         bool ok = true;
 385
 386         int max_size = MAX2(testcase->layout.width0, testcase->layout.height0);
 387         int mip_levels = 1;
 388         while (max_size > 1) {
 389                 mip_levels++;
 390                 max_size = u_minify(max_size, 1);
 391         }
 392
 393         fdl6_layout(&layout,
 394                         testcase->format,
 395                         MAX2(testcase->layout.nr_samples, 1),
 396                         testcase->layout.width0,
 397                         MAX2(testcase->layout.height0, 1),
 398                         MAX2(testcase->layout.depth0, 1),
 399                         mip_levels,
 400                         MAX2(testcase->array_size, 1),
 401                         testcase->is_3d);
 402
 403         /* fdl lays out UBWC data before the color data, while all we have
 404          * recorded in this testcase are the color offsets.  Shift the fdl layout
 405          * down so we can compare color offsets.
 406          */
 407         if (layout.ubwc) {
 408                 for (int l = 1; l < mip_levels; l++)
 409                         layout.slices[l].offset -= layout.slices[0].offset;
 410                 layout.slices[0].offset = 0;
 411         }
 412
 413         for (int l = 0; l < mip_levels; l++) {
 414                 if (layout.slices[l].offset != testcase->layout.slices[l].offset) {
 415                         fprintf(stderr, "%s %dx%dx%d@%dx lvl%d: offset 0x%x != 0x%x\n",
 416                                         util_format_short_name(testcase->format),
 417                                         layout.width0, layout.height0, layout.depth0,
 418                                         layout.nr_samples, l,
 419                                         layout.slices[l].offset,
 420                                         testcase->layout.slices[l].offset);
 421                         ok = false;
 422                 }
 423                 if (layout.slices[l].pitch != testcase->layout.slices[l].pitch) {
 424                         fprintf(stderr, "%s %dx%dx%d@%dx lvl%d: pitch %d != %d\n",
 425                                         util_format_short_name(testcase->format),
 426                                         layout.width0, layout.height0, layout.depth0,
 427                                         layout.nr_samples, l,
 428                                         layout.slices[l].pitch,
 429                                         testcase->layout.slices[l].pitch);
 430                         ok = false;
 431                 }
 432
 433                 if (layout.ubwc_slices[l].offset != testcase->layout.ubwc_slices[l].offset) {
 434                         fprintf(stderr, "%s %dx%dx%d@%dx lvl%d: UBWC offset 0x%x != 0x%x\n",
 435                                         util_format_short_name(testcase->format),
 436                                         layout.width0, layout.height0, layout.depth0,
 437                                         layout.nr_samples, l,
 438                                         layout.ubwc_slices[l].offset,
 439                                         testcase->layout.ubwc_slices[l].offset);
 440                         ok = false;
 441                 }
 442                 if (layout.ubwc_slices[l].pitch != testcase->layout.ubwc_slices[l].pitch) {
 443                         fprintf(stderr, "%s %dx%dx%d@%dx lvl%d: UBWC pitch %d != %d\n",
 444                                         util_format_short_name(testcase->format),
 445                                         layout.width0, layout.height0, layout.depth0,
 446                                         layout.nr_samples, l,
 447                                         layout.ubwc_slices[l].pitch,
 448                                         testcase->layout.ubwc_slices[l].pitch);
 449                         ok = false;
 450                 }
 451         }
 452
 453         if (!ok)
 454                 fprintf(stderr, "\n");
 455
 456         return ok;
 457 }
 458
 459 int
 460 main(int argc, char **argv)
 461 {
 462         int ret = 0;
 463
 464         for (int i = 0; i < ARRAY_SIZE(testcases); i++) {
 465                 if (!test_layout(&testcases[i]))
 466                         ret = 1;
 467         }
 468
 469         return ret;
 470 }