src/gallium/drivers/vc4/vc4_resource.c

   1 /*
   2  * Copyright © 2014 Broadcom
   3  * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
   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
  25 #include "util/u_blit.h"
  26 #include "util/u_memory.h"
  27 #include "util/u_format.h"
  28 #include "util/u_inlines.h"
  29 #include "util/u_surface.h"
  30 #include "util/u_upload_mgr.h"
  31
  32 #include "vc4_screen.h"
  33 #include "vc4_context.h"
  34 #include "vc4_resource.h"
  35 #include "vc4_tiling.h"
  36
  37 static bool miptree_debug = false;
  38
  39 static bool
  40 vc4_resource_bo_alloc(struct vc4_resource *rsc)
  41 {
  42         struct pipe_resource *prsc = &rsc->base;
  43         struct pipe_screen *pscreen = prsc->screen;
  44         struct vc4_bo *bo;
  45
  46         if (miptree_debug) {
  47                 fprintf(stderr, "alloc %p: size %d + offset %d -> %d\n",
  48                         rsc,
  49                         rsc->slices[0].size,
  50                         rsc->slices[0].offset,
  51                         rsc->slices[0].offset +
  52                         rsc->slices[0].size +
  53                         rsc->cube_map_stride * (prsc->array_size - 1));
  54         }
  55
  56         bo = vc4_bo_alloc(vc4_screen(pscreen),
  57                           rsc->slices[0].offset +
  58                           rsc->slices[0].size +
  59                           rsc->cube_map_stride * (prsc->array_size - 1),
  60                           "resource");
  61         if (bo) {
  62                 vc4_bo_unreference(&rsc->bo);
  63                 rsc->bo = bo;
  64                 return true;
  65         } else {
  66                 return false;
  67         }
  68 }
  69
  70 static void
  71 vc4_resource_transfer_unmap(struct pipe_context *pctx,
  72                             struct pipe_transfer *ptrans)
  73 {
  74         struct vc4_context *vc4 = vc4_context(pctx);
  75         struct vc4_transfer *trans = vc4_transfer(ptrans);
  76
  77         if (trans->map) {
  78                 struct vc4_resource *rsc;
  79                 struct vc4_resource_slice *slice;
  80                 if (trans->ss_resource) {
  81                         rsc = vc4_resource(trans->ss_resource);
  82                         slice = &rsc->slices[0];
  83                 } else {
  84                         rsc = vc4_resource(ptrans->resource);
  85                         slice = &rsc->slices[ptrans->level];
  86                 }
  87
  88                 if (ptrans->usage & PIPE_TRANSFER_WRITE) {
  89                         vc4_store_tiled_image(rsc->bo->map + slice->offset +
  90                                               ptrans->box.z * rsc->cube_map_stride,
  91                                               slice->stride,
  92                                               trans->map, ptrans->stride,
  93                                               slice->tiling, rsc->cpp,
  94                                               &ptrans->box);
  95                 }
  96                 free(trans->map);
  97         }
  98
  99         if (trans->ss_resource && (ptrans->usage & PIPE_TRANSFER_WRITE)) {
 100                 struct pipe_blit_info blit;
 101                 memset(&blit, 0, sizeof(blit));
 102
 103                 blit.src.resource = trans->ss_resource;
 104                 blit.src.format = trans->ss_resource->format;
 105                 blit.src.box.width = trans->ss_box.width;
 106                 blit.src.box.height = trans->ss_box.height;
 107                 blit.src.box.depth = 1;
 108
 109                 blit.dst.resource = ptrans->resource;
 110                 blit.dst.format = ptrans->resource->format;
 111                 blit.dst.level = ptrans->level;
 112                 blit.dst.box = trans->ss_box;
 113
 114                 blit.mask = util_format_get_mask(ptrans->resource->format);
 115                 blit.filter = PIPE_TEX_FILTER_NEAREST;
 116
 117                 pctx->blit(pctx, &blit);
 118
 119                 pipe_resource_reference(&trans->ss_resource, NULL);
 120         }
 121
 122         pipe_resource_reference(&ptrans->resource, NULL);
 123         slab_free(&vc4->transfer_pool, ptrans);
 124 }
 125
 126 static struct pipe_resource *
 127 vc4_get_temp_resource(struct pipe_context *pctx,
 128                       struct pipe_resource *prsc,
 129                       const struct pipe_box *box)
 130 {
 131         struct pipe_resource temp_setup;
 132
 133         memset(&temp_setup, 0, sizeof(temp_setup));
 134         temp_setup.target = prsc->target;
 135         temp_setup.format = prsc->format;
 136         temp_setup.width0 = box->width;
 137         temp_setup.height0 = box->height;
 138         temp_setup.depth0 = 1;
 139         temp_setup.array_size = 1;
 140
 141         return pctx->screen->resource_create(pctx->screen, &temp_setup);
 142 }
 143
 144 static void *
 145 vc4_resource_transfer_map(struct pipe_context *pctx,
 146                           struct pipe_resource *prsc,
 147                           unsigned level, unsigned usage,
 148                           const struct pipe_box *box,
 149                           struct pipe_transfer **pptrans)
 150 {
 151         struct vc4_context *vc4 = vc4_context(pctx);
 152         struct vc4_resource *rsc = vc4_resource(prsc);
 153         struct vc4_transfer *trans;
 154         struct pipe_transfer *ptrans;
 155         enum pipe_format format = prsc->format;
 156         char *buf;
 157
 158         /* Upgrade DISCARD_RANGE to WHOLE_RESOURCE if the whole resource is
 159          * being mapped.
 160          */
 161         if ((usage & PIPE_TRANSFER_DISCARD_RANGE) &&
 162             !(usage & PIPE_TRANSFER_UNSYNCHRONIZED) &&
 163             !(prsc->flags & PIPE_RESOURCE_FLAG_MAP_COHERENT) &&
 164             prsc->last_level == 0 &&
 165             prsc->width0 == box->width &&
 166             prsc->height0 == box->height &&
 167             prsc->depth0 == box->depth &&
 168             prsc->array_size == 1) {
 169                 usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
 170         }
 171
 172         if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) {
 173                 if (vc4_resource_bo_alloc(rsc)) {
 174                         /* If it might be bound as one of our vertex buffers,
 175                          * make sure we re-emit vertex buffer state.
 176                          */
 177                         if (prsc->bind & PIPE_BIND_VERTEX_BUFFER)
 178                                 vc4->dirty |= VC4_DIRTY_VTXBUF;
 179                 } else {
 180                         /* If we failed to reallocate, flush users so that we
 181                          * don't violate any syncing requirements.
 182                          */
 183                         vc4_flush_jobs_reading_resource(vc4, prsc);
 184                 }
 185         } else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
 186                 /* If we're writing and the buffer is being used by the CL, we
 187                  * have to flush the CL first.  If we're only reading, we need
 188                  * to flush if the CL has written our buffer.
 189                  */
 190                 if (usage & PIPE_TRANSFER_WRITE)
 191                         vc4_flush_jobs_reading_resource(vc4, prsc);
 192                 else
 193                         vc4_flush_jobs_writing_resource(vc4, prsc);
 194         }
 195
 196         if (usage & PIPE_TRANSFER_WRITE) {
 197                 rsc->writes++;
 198                 rsc->initialized_buffers = ~0;
 199         }
 200
 201         trans = slab_alloc(&vc4->transfer_pool);
 202         if (!trans)
 203                 return NULL;
 204
 205         /* XXX: Handle DONTBLOCK, DISCARD_RANGE, PERSISTENT, COHERENT. */
 206
 207         /* slab_alloc_st() doesn't zero: */
 208         memset(trans, 0, sizeof(*trans));
 209         ptrans = &trans->base;
 210
 211         pipe_resource_reference(&ptrans->resource, prsc);
 212         ptrans->level = level;
 213         ptrans->usage = usage;
 214         ptrans->box = *box;
 215
 216         /* If the resource is multisampled, we need to resolve to single
 217          * sample.  This seems like it should be handled at a higher layer.
 218          */
 219         if (prsc->nr_samples > 1) {
 220                 trans->ss_resource = vc4_get_temp_resource(pctx, prsc, box);
 221                 if (!trans->ss_resource)
 222                         goto fail;
 223                 assert(!trans->ss_resource->nr_samples);
 224
 225                 /* The ptrans->box gets modified for tile alignment, so save
 226                  * the original box for unmap time.
 227                  */
 228                 trans->ss_box = *box;
 229
 230                 if (usage & PIPE_TRANSFER_READ) {
 231                         struct pipe_blit_info blit;
 232                         memset(&blit, 0, sizeof(blit));
 233
 234                         blit.src.resource = ptrans->resource;
 235                         blit.src.format = ptrans->resource->format;
 236                         blit.src.level = ptrans->level;
 237                         blit.src.box = trans->ss_box;
 238
 239                         blit.dst.resource = trans->ss_resource;
 240                         blit.dst.format = trans->ss_resource->format;
 241                         blit.dst.box.width = trans->ss_box.width;
 242                         blit.dst.box.height = trans->ss_box.height;
 243                         blit.dst.box.depth = 1;
 244
 245                         blit.mask = util_format_get_mask(prsc->format);
 246                         blit.filter = PIPE_TEX_FILTER_NEAREST;
 247
 248                         pctx->blit(pctx, &blit);
 249                         vc4_flush_jobs_writing_resource(vc4, blit.dst.resource);
 250                 }
 251
 252                 /* The rest of the mapping process should use our temporary. */
 253                 prsc = trans->ss_resource;
 254                 rsc = vc4_resource(prsc);
 255                 ptrans->box.x = 0;
 256                 ptrans->box.y = 0;
 257                 ptrans->box.z = 0;
 258         }
 259
 260         /* Note that the current kernel implementation is synchronous, so no
 261          * need to do syncing stuff here yet.
 262          */
 263
 264         if (usage & PIPE_TRANSFER_UNSYNCHRONIZED)
 265                 buf = vc4_bo_map_unsynchronized(rsc->bo);
 266         else
 267                 buf = vc4_bo_map(rsc->bo);
 268         if (!buf) {
 269                 fprintf(stderr, "Failed to map bo\n");
 270                 goto fail;
 271         }
 272
 273         *pptrans = ptrans;
 274
 275         struct vc4_resource_slice *slice = &rsc->slices[level];
 276         if (rsc->tiled) {
 277                 uint32_t utile_w = vc4_utile_width(rsc->cpp);
 278                 uint32_t utile_h = vc4_utile_height(rsc->cpp);
 279
 280                 /* No direct mappings of tiled, since we need to manually
 281                  * tile/untile.
 282                  */
 283                 if (usage & PIPE_TRANSFER_MAP_DIRECTLY)
 284                         return NULL;
 285
 286                 if (format == PIPE_FORMAT_ETC1_RGB8) {
 287                         /* ETC1 is arranged as 64-bit blocks, where each block
 288                          * is 4x4 pixels.  Texture tiling operates on the
 289                          * 64-bit block the way it would an uncompressed
 290                          * pixels.
 291                          */
 292                         assert(!(ptrans->box.x & 3));
 293                         assert(!(ptrans->box.y & 3));
 294                         ptrans->box.x >>= 2;
 295                         ptrans->box.y >>= 2;
 296                         ptrans->box.width = (ptrans->box.width + 3) >> 2;
 297                         ptrans->box.height = (ptrans->box.height + 3) >> 2;
 298                 }
 299
 300                 /* We need to align the box to utile boundaries, since that's
 301                  * what load/store operates on.  This may cause us to need to
 302                  * read out the original contents in that border area.  Right
 303                  * now we just read out the entire contents, including the
 304                  * middle area that will just get overwritten.
 305                  */
 306                 uint32_t box_start_x = ptrans->box.x & (utile_w - 1);
 307                 uint32_t box_start_y = ptrans->box.y & (utile_h - 1);
 308                 bool needs_load = (usage & PIPE_TRANSFER_READ) != 0;
 309
 310                 if (box_start_x) {
 311                         ptrans->box.width += box_start_x;
 312                         ptrans->box.x -= box_start_x;
 313                         needs_load = true;
 314                 }
 315                 if (box_start_y) {
 316                         ptrans->box.height += box_start_y;
 317                         ptrans->box.y -= box_start_y;
 318                         needs_load = true;
 319                 }
 320                 if (ptrans->box.width & (utile_w - 1)) {
 321                         /* We only need to force a load if our border region
 322                          * we're extending into is actually part of the
 323                          * texture.
 324                          */
 325                         uint32_t slice_width = u_minify(prsc->width0, level);
 326                         if (ptrans->box.x + ptrans->box.width != slice_width)
 327                                 needs_load = true;
 328                         ptrans->box.width = align(ptrans->box.width, utile_w);
 329                 }
 330                 if (ptrans->box.height & (utile_h - 1)) {
 331                         uint32_t slice_height = u_minify(prsc->height0, level);
 332                         if (ptrans->box.y + ptrans->box.height != slice_height)
 333                                 needs_load = true;
 334                         ptrans->box.height = align(ptrans->box.height, utile_h);
 335                 }
 336
 337                 ptrans->stride = ptrans->box.width * rsc->cpp;
 338                 ptrans->layer_stride = ptrans->stride * ptrans->box.height;
 339
 340                 trans->map = malloc(ptrans->layer_stride * ptrans->box.depth);
 341
 342                 if (needs_load) {
 343                         vc4_load_tiled_image(trans->map, ptrans->stride,
 344                                              buf + slice->offset +
 345                                              ptrans->box.z * rsc->cube_map_stride,
 346                                              slice->stride,
 347                                              slice->tiling, rsc->cpp,
 348                                              &ptrans->box);
 349                 }
 350                 return (trans->map +
 351                         box_start_x * rsc->cpp +
 352                         box_start_y * ptrans->stride);
 353         } else {
 354                 ptrans->stride = slice->stride;
 355                 ptrans->layer_stride = ptrans->stride;
 356
 357                 return buf + slice->offset +
 358                         ptrans->box.y / util_format_get_blockheight(format) * ptrans->stride +
 359                         ptrans->box.x / util_format_get_blockwidth(format) * rsc->cpp +
 360                         ptrans->box.z * rsc->cube_map_stride;
 361         }
 362
 363
 364 fail:
 365         vc4_resource_transfer_unmap(pctx, ptrans);
 366         return NULL;
 367 }
 368
 369 static void
 370 vc4_resource_destroy(struct pipe_screen *pscreen,
 371                      struct pipe_resource *prsc)
 372 {
 373         struct vc4_resource *rsc = vc4_resource(prsc);
 374         pipe_resource_reference(&rsc->shadow_parent, NULL);
 375         vc4_bo_unreference(&rsc->bo);
 376         free(rsc);
 377 }
 378
 379 static boolean
 380 vc4_resource_get_handle(struct pipe_screen *pscreen,
 381                         struct pipe_context *pctx,
 382                         struct pipe_resource *prsc,
 383                         struct winsys_handle *handle,
 384                         unsigned usage)
 385 {
 386         struct vc4_resource *rsc = vc4_resource(prsc);
 387
 388         return vc4_screen_bo_get_handle(pscreen, rsc->bo, rsc->slices[0].stride,
 389                                         handle);
 390 }
 391
 392 static void
 393 vc4_setup_slices(struct vc4_resource *rsc)
 394 {
 395         struct pipe_resource *prsc = &rsc->base;
 396         uint32_t width = prsc->width0;
 397         uint32_t height = prsc->height0;
 398         if (prsc->format == PIPE_FORMAT_ETC1_RGB8) {
 399                 width = (width + 3) >> 2;
 400                 height = (height + 3) >> 2;
 401         }
 402
 403         uint32_t pot_width = util_next_power_of_two(width);
 404         uint32_t pot_height = util_next_power_of_two(height);
 405         uint32_t offset = 0;
 406         uint32_t utile_w = vc4_utile_width(rsc->cpp);
 407         uint32_t utile_h = vc4_utile_height(rsc->cpp);
 408
 409         for (int i = prsc->last_level; i >= 0; i--) {
 410                 struct vc4_resource_slice *slice = &rsc->slices[i];
 411
 412                 uint32_t level_width, level_height;
 413                 if (i == 0) {
 414                         level_width = width;
 415                         level_height = height;
 416                 } else {
 417                         level_width = u_minify(pot_width, i);
 418                         level_height = u_minify(pot_height, i);
 419                 }
 420
 421                 if (!rsc->tiled) {
 422                         slice->tiling = VC4_TILING_FORMAT_LINEAR;
 423                         if (prsc->nr_samples > 1) {
 424                                 /* MSAA (4x) surfaces are stored as raw tile buffer contents. */
 425                                 level_width = align(level_width, 32);
 426                                 level_height = align(level_height, 32);
 427                         } else {
 428                                 level_width = align(level_width, utile_w);
 429                         }
 430                 } else {
 431                         if (vc4_size_is_lt(level_width, level_height,
 432                                            rsc->cpp)) {
 433                                 slice->tiling = VC4_TILING_FORMAT_LT;
 434                                 level_width = align(level_width, utile_w);
 435                                 level_height = align(level_height, utile_h);
 436                         } else {
 437                                 slice->tiling = VC4_TILING_FORMAT_T;
 438                                 level_width = align(level_width,
 439                                                     4 * 2 * utile_w);
 440                                 level_height = align(level_height,
 441                                                      4 * 2 * utile_h);
 442                         }
 443                 }
 444
 445                 slice->offset = offset;
 446                 slice->stride = (level_width * rsc->cpp *
 447                                  MAX2(prsc->nr_samples, 1));
 448                 slice->size = level_height * slice->stride;
 449
 450                 offset += slice->size;
 451
 452                 if (miptree_debug) {
 453                         static const char tiling_chars[] = {
 454                                 [VC4_TILING_FORMAT_LINEAR] = 'R',
 455                                 [VC4_TILING_FORMAT_LT] = 'L',
 456                                 [VC4_TILING_FORMAT_T] = 'T'
 457                         };
 458                         fprintf(stderr,
 459                                 "rsc setup %p (format %s: vc4 %d), %dx%d: "
 460                                 "level %d (%c) -> %dx%d, stride %d@0x%08x\n",
 461                                 rsc,
 462                                 util_format_short_name(prsc->format),
 463                                 rsc->vc4_format,
 464                                 prsc->width0, prsc->height0,
 465                                 i, tiling_chars[slice->tiling],
 466                                 level_width, level_height,
 467                                 slice->stride, slice->offset);
 468                 }
 469         }
 470
 471         /* The texture base pointer that has to point to level 0 doesn't have
 472          * intra-page bits, so we have to align it, and thus shift up all the
 473          * smaller slices.
 474          */
 475         uint32_t page_align_offset = (align(rsc->slices[0].offset, 4096) -
 476                                       rsc->slices[0].offset);
 477         if (page_align_offset) {
 478                 for (int i = 0; i <= prsc->last_level; i++)
 479                         rsc->slices[i].offset += page_align_offset;
 480         }
 481
 482         /* Cube map faces appear as whole miptrees at a page-aligned offset
 483          * from the first face's miptree.
 484          */
 485         if (prsc->target == PIPE_TEXTURE_CUBE) {
 486                 rsc->cube_map_stride = align(rsc->slices[0].offset +
 487                                              rsc->slices[0].size, 4096);
 488         }
 489 }
 490
 491 static struct vc4_resource *
 492 vc4_resource_setup(struct pipe_screen *pscreen,
 493                    const struct pipe_resource *tmpl)
 494 {
 495         struct vc4_resource *rsc = CALLOC_STRUCT(vc4_resource);
 496         if (!rsc)
 497                 return NULL;
 498         struct pipe_resource *prsc = &rsc->base;
 499
 500         *prsc = *tmpl;
 501
 502         pipe_reference_init(&prsc->reference, 1);
 503         prsc->screen = pscreen;
 504
 505         if (prsc->nr_samples <= 1)
 506                 rsc->cpp = util_format_get_blocksize(tmpl->format);
 507         else
 508                 rsc->cpp = sizeof(uint32_t);
 509
 510         assert(rsc->cpp);
 511
 512         return rsc;
 513 }
 514
 515 static enum vc4_texture_data_type
 516 get_resource_texture_format(struct pipe_resource *prsc)
 517 {
 518         struct vc4_resource *rsc = vc4_resource(prsc);
 519         uint8_t format = vc4_get_tex_format(prsc->format);
 520
 521         if (!rsc->tiled) {
 522                 if (prsc->nr_samples > 1) {
 523                         return ~0;
 524                 } else {
 525                         assert(format == VC4_TEXTURE_TYPE_RGBA8888);
 526                         return VC4_TEXTURE_TYPE_RGBA32R;
 527                 }
 528         }
 529
 530         return format;
 531 }
 532
 533 struct pipe_resource *
 534 vc4_resource_create(struct pipe_screen *pscreen,
 535                     const struct pipe_resource *tmpl)
 536 {
 537         struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl);
 538         struct pipe_resource *prsc = &rsc->base;
 539
 540         /* We have to make shared be untiled, since we don't have any way to
 541          * communicate metadata about tiling currently.
 542          */
 543         if (tmpl->target == PIPE_BUFFER ||
 544             tmpl->nr_samples > 1 ||
 545             (tmpl->bind & (PIPE_BIND_SCANOUT |
 546                            PIPE_BIND_LINEAR |
 547                            PIPE_BIND_SHARED |
 548                            PIPE_BIND_CURSOR))) {
 549                 rsc->tiled = false;
 550         } else {
 551                 rsc->tiled = true;
 552         }
 553
 554         if (tmpl->target != PIPE_BUFFER)
 555                 rsc->vc4_format = get_resource_texture_format(prsc);
 556
 557         vc4_setup_slices(rsc);
 558         if (!vc4_resource_bo_alloc(rsc))
 559                 goto fail;
 560
 561         return prsc;
 562 fail:
 563         vc4_resource_destroy(pscreen, prsc);
 564         return NULL;
 565 }
 566
 567 static struct pipe_resource *
 568 vc4_resource_from_handle(struct pipe_screen *pscreen,
 569                          const struct pipe_resource *tmpl,
 570                          struct winsys_handle *handle,
 571                          unsigned usage)
 572 {
 573         struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl);
 574         struct pipe_resource *prsc = &rsc->base;
 575         struct vc4_resource_slice *slice = &rsc->slices[0];
 576         uint32_t expected_stride =
 577             align(prsc->width0, vc4_utile_width(rsc->cpp)) * rsc->cpp;
 578
 579         if (!rsc)
 580                 return NULL;
 581
 582         if (handle->stride != expected_stride) {
 583                 static bool warned = false;
 584                 if (!warned) {
 585                         warned = true;
 586                         fprintf(stderr,
 587                                 "Attempting to import %dx%d %s with "
 588                                 "unsupported stride %d instead of %d\n",
 589                                 prsc->width0, prsc->height0,
 590                                 util_format_short_name(prsc->format),
 591                                 handle->stride,
 592                                 expected_stride);
 593                 }
 594                 goto fail;
 595         }
 596
 597         rsc->tiled = false;
 598         rsc->bo = vc4_screen_bo_from_handle(pscreen, handle);
 599         if (!rsc->bo)
 600                 goto fail;
 601
 602         slice->stride = handle->stride;
 603         slice->tiling = VC4_TILING_FORMAT_LINEAR;
 604
 605         rsc->vc4_format = get_resource_texture_format(prsc);
 606
 607         if (miptree_debug) {
 608                 fprintf(stderr,
 609                         "rsc import %p (format %d), %dx%d: "
 610                         "level 0 (R) -> stride %d@0x%08x\n",
 611                         rsc, rsc->vc4_format,
 612                         prsc->width0, prsc->height0,
 613                         slice->stride, slice->offset);
 614         }
 615
 616         return prsc;
 617
 618 fail:
 619         vc4_resource_destroy(pscreen, prsc);
 620         return NULL;
 621 }
 622
 623 static struct pipe_surface *
 624 vc4_create_surface(struct pipe_context *pctx,
 625                    struct pipe_resource *ptex,
 626                    const struct pipe_surface *surf_tmpl)
 627 {
 628         struct vc4_surface *surface = CALLOC_STRUCT(vc4_surface);
 629         struct vc4_resource *rsc = vc4_resource(ptex);
 630
 631         if (!surface)
 632                 return NULL;
 633
 634         assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
 635
 636         struct pipe_surface *psurf = &surface->base;
 637         unsigned level = surf_tmpl->u.tex.level;
 638
 639         pipe_reference_init(&psurf->reference, 1);
 640         pipe_resource_reference(&psurf->texture, ptex);
 641
 642         psurf->context = pctx;
 643         psurf->format = surf_tmpl->format;
 644         psurf->width = u_minify(ptex->width0, level);
 645         psurf->height = u_minify(ptex->height0, level);
 646         psurf->u.tex.level = level;
 647         psurf->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
 648         psurf->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
 649         surface->offset = (rsc->slices[level].offset +
 650                            psurf->u.tex.first_layer * rsc->cube_map_stride);
 651         surface->tiling = rsc->slices[level].tiling;
 652
 653         return &surface->base;
 654 }
 655
 656 static void
 657 vc4_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf)
 658 {
 659         pipe_resource_reference(&psurf->texture, NULL);
 660         FREE(psurf);
 661 }
 662
 663 static void
 664 vc4_dump_surface_non_msaa(struct pipe_surface *psurf)
 665 {
 666         struct pipe_resource *prsc = psurf->texture;
 667         struct vc4_resource *rsc = vc4_resource(prsc);
 668         uint32_t *map = vc4_bo_map(rsc->bo);
 669         uint32_t stride = rsc->slices[0].stride / 4;
 670         uint32_t width = psurf->width;
 671         uint32_t height = psurf->height;
 672         uint32_t chunk_w = width / 79;
 673         uint32_t chunk_h = height / 40;
 674         uint32_t found_colors[10];
 675         uint32_t num_found_colors = 0;
 676
 677         if (rsc->vc4_format != VC4_TEXTURE_TYPE_RGBA32R) {
 678                 fprintf(stderr, "%s: Unsupported format %s\n",
 679                         __func__, util_format_short_name(psurf->format));
 680                 return;
 681         }
 682
 683         for (int by = 0; by < height; by += chunk_h) {
 684                 for (int bx = 0; bx < width; bx += chunk_w) {
 685                         int all_found_color = -1; /* nothing found */
 686
 687                         for (int y = by; y < MIN2(height, by + chunk_h); y++) {
 688                                 for (int x = bx; x < MIN2(width, bx + chunk_w); x++) {
 689                                         uint32_t pix = map[y * stride + x];
 690
 691                                         int i;
 692                                         for (i = 0; i < num_found_colors; i++) {
 693                                                 if (pix == found_colors[i])
 694                                                         break;
 695                                         }
 696                                         if (i == num_found_colors &&
 697                                             num_found_colors <
 698                                             ARRAY_SIZE(found_colors)) {
 699                                                 found_colors[num_found_colors++] = pix;
 700                                         }
 701
 702                                         if (i < num_found_colors) {
 703                                                 if (all_found_color == -1)
 704                                                         all_found_color = i;
 705                                                 else if (i != all_found_color)
 706                                                         all_found_color = ARRAY_SIZE(found_colors);
 707                                         }
 708                                 }
 709                         }
 710                         /* If all pixels for this chunk have a consistent
 711                          * value, then print a character for it.  Either a
 712                          * fixed name (particularly common for piglit tests),
 713                          * or a runtime-generated number.
 714                          */
 715                         if (all_found_color >= 0 &&
 716                             all_found_color < ARRAY_SIZE(found_colors)) {
 717                                 static const struct {
 718                                         uint32_t val;
 719                                         const char *c;
 720                                 } named_colors[] = {
 721                                         { 0xff000000, "█" },
 722                                         { 0x00000000, "█" },
 723                                         { 0xffff0000, "r" },
 724                                         { 0xff00ff00, "g" },
 725                                         { 0xff0000ff, "b" },
 726                                         { 0xffffffff, "w" },
 727                                 };
 728                                 int i;
 729                                 for (i = 0; i < ARRAY_SIZE(named_colors); i++) {
 730                                         if (named_colors[i].val ==
 731                                             found_colors[all_found_color]) {
 732                                                 fprintf(stderr, "%s",
 733                                                         named_colors[i].c);
 734                                                 break;
 735                                         }
 736                                 }
 737                                 /* For unnamed colors, print a number and the
 738                                  * numbers will have values printed at the
 739                                  * end.
 740                                  */
 741                                 if (i == ARRAY_SIZE(named_colors)) {
 742                                         fprintf(stderr, "%c",
 743                                                 '0' + all_found_color);
 744                                 }
 745                         } else {
 746                                 /* If there's no consistent color, print this.
 747                                  */
 748                                 fprintf(stderr, ".");
 749                         }
 750                 }
 751                 fprintf(stderr, "\n");
 752         }
 753
 754         for (int i = 0; i < num_found_colors; i++) {
 755                 fprintf(stderr, "color %d: 0x%08x\n", i, found_colors[i]);
 756         }
 757 }
 758
 759 static uint32_t
 760 vc4_surface_msaa_get_sample(struct pipe_surface *psurf,
 761                             uint32_t x, uint32_t y, uint32_t sample)
 762 {
 763         struct pipe_resource *prsc = psurf->texture;
 764         struct vc4_resource *rsc = vc4_resource(prsc);
 765         uint32_t tile_w = 32, tile_h = 32;
 766         uint32_t tiles_w = DIV_ROUND_UP(psurf->width, 32);
 767
 768         uint32_t tile_x = x / tile_w;
 769         uint32_t tile_y = y / tile_h;
 770         uint32_t *tile = (vc4_bo_map(rsc->bo) +
 771                           VC4_TILE_BUFFER_SIZE * (tile_y * tiles_w + tile_x));
 772         uint32_t subtile_x = x % tile_w;
 773         uint32_t subtile_y = y % tile_h;
 774
 775         uint32_t quad_samples = VC4_MAX_SAMPLES * 4;
 776         uint32_t tile_stride = quad_samples * tile_w / 2;
 777
 778         return *((uint32_t *)tile +
 779                  (subtile_y >> 1) * tile_stride +
 780                  (subtile_x >> 1) * quad_samples +
 781                  ((subtile_y & 1) << 1) +
 782                  (subtile_x & 1) +
 783                  sample);
 784 }
 785
 786 static void
 787 vc4_dump_surface_msaa_char(struct pipe_surface *psurf,
 788                            uint32_t start_x, uint32_t start_y,
 789                            uint32_t w, uint32_t h)
 790 {
 791         bool all_same_color = true;
 792         uint32_t all_pix = 0;
 793
 794         for (int y = start_y; y < start_y + h; y++) {
 795                 for (int x = start_x; x < start_x + w; x++) {
 796                         for (int s = 0; s < VC4_MAX_SAMPLES; s++) {
 797                                 uint32_t pix = vc4_surface_msaa_get_sample(psurf,
 798                                                                            x, y,
 799                                                                            s);
 800                                 if (x == start_x && y == start_y)
 801                                         all_pix = pix;
 802                                 else if (all_pix != pix)
 803                                         all_same_color = false;
 804                         }
 805                 }
 806         }
 807         if (all_same_color) {
 808                 static const struct {
 809                         uint32_t val;
 810                         const char *c;
 811                 } named_colors[] = {
 812                         { 0xff000000, "█" },
 813                         { 0x00000000, "█" },
 814                         { 0xffff0000, "r" },
 815                         { 0xff00ff00, "g" },
 816                         { 0xff0000ff, "b" },
 817                         { 0xffffffff, "w" },
 818                 };
 819                 int i;
 820                 for (i = 0; i < ARRAY_SIZE(named_colors); i++) {
 821                         if (named_colors[i].val == all_pix) {
 822                                 fprintf(stderr, "%s",
 823                                         named_colors[i].c);
 824                                 return;
 825                         }
 826                 }
 827                 fprintf(stderr, "x");
 828         } else {
 829                 fprintf(stderr, ".");
 830         }
 831 }
 832
 833 static void
 834 vc4_dump_surface_msaa(struct pipe_surface *psurf)
 835 {
 836         uint32_t tile_w = 32, tile_h = 32;
 837         uint32_t tiles_w = DIV_ROUND_UP(psurf->width, tile_w);
 838         uint32_t tiles_h = DIV_ROUND_UP(psurf->height, tile_h);
 839         uint32_t char_w = 140, char_h = 60;
 840         uint32_t char_w_per_tile = char_w / tiles_w - 1;
 841         uint32_t char_h_per_tile = char_h / tiles_h - 1;
 842         uint32_t found_colors[10];
 843         uint32_t num_found_colors = 0;
 844
 845         fprintf(stderr, "Surface: %dx%d (%dx MSAA)\n",
 846                 psurf->width, psurf->height, psurf->texture->nr_samples);
 847
 848         for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++)
 849                 fprintf(stderr, "-");
 850         fprintf(stderr, "\n");
 851
 852         for (int ty = 0; ty < psurf->height; ty += tile_h) {
 853                 for (int y = 0; y < char_h_per_tile; y++) {
 854
 855                         for (int tx = 0; tx < psurf->width; tx += tile_w) {
 856                                 for (int x = 0; x < char_w_per_tile; x++) {
 857                                         uint32_t bx1 = (x * tile_w /
 858                                                         char_w_per_tile);
 859                                         uint32_t bx2 = ((x + 1) * tile_w /
 860                                                         char_w_per_tile);
 861                                         uint32_t by1 = (y * tile_h /
 862                                                         char_h_per_tile);
 863                                         uint32_t by2 = ((y + 1) * tile_h /
 864                                                         char_h_per_tile);
 865
 866                                         vc4_dump_surface_msaa_char(psurf,
 867                                                                    tx + bx1,
 868                                                                    ty + by1,
 869                                                                    bx2 - bx1,
 870                                                                    by2 - by1);
 871                                 }
 872                                 fprintf(stderr, "|");
 873                         }
 874                         fprintf(stderr, "\n");
 875                 }
 876
 877                 for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++)
 878                         fprintf(stderr, "-");
 879                 fprintf(stderr, "\n");
 880         }
 881
 882         for (int i = 0; i < num_found_colors; i++) {
 883                 fprintf(stderr, "color %d: 0x%08x\n", i, found_colors[i]);
 884         }
 885 }
 886
 887 /** Debug routine to dump the contents of an 8888 surface to the console */
 888 void
 889 vc4_dump_surface(struct pipe_surface *psurf)
 890 {
 891         if (!psurf)
 892                 return;
 893
 894         if (psurf->texture->nr_samples > 1)
 895                 vc4_dump_surface_msaa(psurf);
 896         else
 897                 vc4_dump_surface_non_msaa(psurf);
 898 }
 899
 900 static void
 901 vc4_flush_resource(struct pipe_context *pctx, struct pipe_resource *resource)
 902 {
 903         /* All calls to flush_resource are followed by a flush of the context,
 904          * so there's nothing to do.
 905          */
 906 }
 907
 908 void
 909 vc4_update_shadow_baselevel_texture(struct pipe_context *pctx,
 910                                     struct pipe_sampler_view *view)
 911 {
 912         struct vc4_resource *shadow = vc4_resource(view->texture);
 913         struct vc4_resource *orig = vc4_resource(shadow->shadow_parent);
 914         assert(orig);
 915
 916         if (shadow->writes == orig->writes && orig->bo->private)
 917                 return;
 918
 919         perf_debug("Updating %dx%d@%d shadow texture due to %s\n",
 920                    orig->base.width0, orig->base.height0,
 921                    view->u.tex.first_level,
 922                    view->u.tex.first_level ? "base level" : "raster layout");
 923
 924         for (int i = 0; i <= shadow->base.last_level; i++) {
 925                 unsigned width = u_minify(shadow->base.width0, i);
 926                 unsigned height = u_minify(shadow->base.height0, i);
 927                 struct pipe_blit_info info = {
 928                         .dst = {
 929                                 .resource = &shadow->base,
 930                                 .level = i,
 931                                 .box = {
 932                                         .x = 0,
 933                                         .y = 0,
 934                                         .z = 0,
 935                                         .width = width,
 936                                         .height = height,
 937                                         .depth = 1,
 938                                 },
 939                                 .format = shadow->base.format,
 940                         },
 941                         .src = {
 942                                 .resource = &orig->base,
 943                                 .level = view->u.tex.first_level + i,
 944                                 .box = {
 945                                         .x = 0,
 946                                         .y = 0,
 947                                         .z = 0,
 948                                         .width = width,
 949                                         .height = height,
 950                                         .depth = 1,
 951                                 },
 952                                 .format = orig->base.format,
 953                         },
 954                         .mask = ~0,
 955                 };
 956                 pctx->blit(pctx, &info);
 957         }
 958
 959         shadow->writes = orig->writes;
 960 }
 961
 962 /**
 963  * Converts a 4-byte index buffer to 2 bytes.
 964  *
 965  * Since GLES2 only has support for 1 and 2-byte indices, the hardware doesn't
 966  * include 4-byte index support, and we have to shrink it down.
 967  *
 968  * There's no fallback support for when indices end up being larger than 2^16,
 969  * though it will at least assertion fail.  Also, if the original index data
 970  * was in user memory, it would be nice to not have uploaded it to a VBO
 971  * before translating.
 972  */
 973 struct pipe_resource *
 974 vc4_get_shadow_index_buffer(struct pipe_context *pctx,
 975                             const struct pipe_draw_info *info,
 976                             uint32_t offset,
 977                             uint32_t count,
 978                             uint32_t *shadow_offset)
 979 {
 980         struct vc4_context *vc4 = vc4_context(pctx);
 981         struct vc4_resource *orig = vc4_resource(info->index.resource);
 982         perf_debug("Fallback conversion for %d uint indices\n", count);
 983
 984         void *data;
 985         struct pipe_resource *shadow_rsc = NULL;
 986         u_upload_alloc(vc4->uploader, 0, count * 2, 4,
 987                        shadow_offset, &shadow_rsc, &data);
 988         uint16_t *dst = data;
 989
 990         struct pipe_transfer *src_transfer = NULL;
 991         const uint32_t *src;
 992         if (info->has_user_indices) {
 993                 src = info->index.user;
 994         } else {
 995                 src = pipe_buffer_map_range(pctx, &orig->base,
 996                                             offset,
 997                                             count * 4,
 998                                             PIPE_TRANSFER_READ, &src_transfer);
 999         }
1000
1001         for (int i = 0; i < count; i++) {
1002                 uint32_t src_index = src[i];
1003                 assert(src_index <= 0xffff);
1004                 dst[i] = src_index;
1005         }
1006
1007         if (src_transfer)
1008                 pctx->transfer_unmap(pctx, src_transfer);
1009
1010         return shadow_rsc;
1011 }
1012
1013 void
1014 vc4_resource_screen_init(struct pipe_screen *pscreen)
1015 {
1016         pscreen->resource_create = vc4_resource_create;
1017         pscreen->resource_from_handle = vc4_resource_from_handle;
1018         pscreen->resource_destroy = u_resource_destroy_vtbl;
1019         pscreen->resource_get_handle = vc4_resource_get_handle;
1020         pscreen->resource_destroy = vc4_resource_destroy;
1021 }
1022
1023 void
1024 vc4_resource_context_init(struct pipe_context *pctx)
1025 {
1026         pctx->transfer_map = vc4_resource_transfer_map;
1027         pctx->transfer_flush_region = u_default_transfer_flush_region;
1028         pctx->transfer_unmap = vc4_resource_transfer_unmap;
1029         pctx->buffer_subdata = u_default_buffer_subdata;
1030         pctx->texture_subdata = u_default_texture_subdata;
1031         pctx->create_surface = vc4_create_surface;
1032         pctx->surface_destroy = vc4_surface_destroy;
1033         pctx->resource_copy_region = util_resource_copy_region;
1034         pctx->blit = vc4_blit;
1035         pctx->flush_resource = vc4_flush_resource;
1036 }