src/gallium/drivers/panfrost/pan_resource.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 VMware, Inc.
   4  * Copyright 2014 Broadcom
   5  * Copyright 2018 Alyssa Rosenzweig
   6  * All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the
  10  * "Software"), to deal in the Software without restriction, including
  11  * without limitation the rights to use, copy, modify, merge, publish,
  12  * distribute, sub license, and/or sell copies of the Software, and to
  13  * permit persons to whom the Software is furnished to do so, subject to
  14  * the following conditions:
  15  *
  16  * The above copyright notice and this permission notice (including the
  17  * next paragraph) shall be included in all copies or substantial portions
  18  * of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  21  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  23  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  24  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  25  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  26  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27  *
  28  **************************************************************************/
  29
  30 #include <xf86drm.h>
  31 #include <fcntl.h>
  32 #include "drm-uapi/drm_fourcc.h"
  33
  34 #include "state_tracker/winsys_handle.h"
  35 #include "util/u_format.h"
  36 #include "util/u_memory.h"
  37 #include "util/u_surface.h"
  38 #include "util/u_transfer.h"
  39 #include "util/u_transfer_helper.h"
  40
  41 #include "pan_context.h"
  42 #include "pan_screen.h"
  43 #include "pan_resource.h"
  44 #include "pan_swizzle.h"
  45 #include "pan_util.h"
  46
  47 static struct pipe_resource *
  48 panfrost_resource_from_handle(struct pipe_screen *pscreen,
  49                               const struct pipe_resource *templat,
  50                               struct winsys_handle *whandle,
  51                               unsigned usage)
  52 {
  53         struct panfrost_screen *screen = pan_screen(pscreen);
  54         struct panfrost_resource *rsc;
  55         struct pipe_resource *prsc;
  56
  57         assert(whandle->type == WINSYS_HANDLE_TYPE_FD);
  58
  59         rsc = CALLOC_STRUCT(panfrost_resource);
  60         if (!rsc)
  61                 return NULL;
  62
  63         prsc = &rsc->base;
  64
  65         *prsc = *templat;
  66
  67         pipe_reference_init(&prsc->reference, 1);
  68         prsc->screen = pscreen;
  69
  70         rsc->bo = screen->driver->import_bo(screen, whandle);
  71
  72         if (screen->ro) {
  73                 rsc->scanout =
  74                         renderonly_create_gpu_import_for_resource(prsc, screen->ro, NULL);
  75                 /* failure is expected in some cases.. */
  76         }
  77
  78         return prsc;
  79 }
  80
  81 static boolean
  82 panfrost_resource_get_handle(struct pipe_screen *pscreen,
  83                              struct pipe_context *ctx,
  84                              struct pipe_resource *pt,
  85                              struct winsys_handle *handle,
  86                              unsigned usage)
  87 {
  88         struct panfrost_screen *screen = pan_screen(pscreen);
  89         struct panfrost_resource *rsrc = (struct panfrost_resource *) pt;
  90         struct renderonly_scanout *scanout = rsrc->scanout;
  91         int bytes_per_pixel = util_format_get_blocksize(rsrc->base.format);
  92         int stride = bytes_per_pixel * rsrc->base.width0; /* TODO: Alignment? */
  93
  94         handle->stride = stride;
  95         handle->modifier = DRM_FORMAT_MOD_INVALID;
  96
  97         if (handle->type == WINSYS_HANDLE_TYPE_SHARED) {
  98                 return FALSE;
  99         } else if (handle->type == WINSYS_HANDLE_TYPE_KMS) {
 100                 if (renderonly_get_handle(scanout, handle))
 101                         return TRUE;
 102
 103                 handle->handle = rsrc->bo->gem_handle;
 104                 return TRUE;
 105         } else if (handle->type == WINSYS_HANDLE_TYPE_FD) {
 106                 if (scanout) {
 107                         struct drm_prime_handle args = {
 108                                 .handle = scanout->handle,
 109                                 .flags = DRM_CLOEXEC,
 110                         };
 111
 112                         int ret = drmIoctl(screen->ro->kms_fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args);
 113                         if (ret == -1)
 114                                 return FALSE;
 115
 116                         handle->handle = args.fd;
 117
 118                         return TRUE;
 119                 } else
 120                         return screen->driver->export_bo(screen, rsrc->bo->gem_handle, handle);
 121         }
 122
 123         return FALSE;
 124 }
 125
 126 static void
 127 panfrost_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
 128 {
 129         //DBG("TODO %s\n", __func__);
 130 }
 131
 132 static void
 133 panfrost_blit(struct pipe_context *pipe,
 134               const struct pipe_blit_info *info)
 135 {
 136         /* STUB */
 137         DBG("Skipping blit XXX\n");
 138         return;
 139 }
 140
 141 static struct pipe_surface *
 142 panfrost_create_surface(struct pipe_context *pipe,
 143                         struct pipe_resource *pt,
 144                         const struct pipe_surface *surf_tmpl)
 145 {
 146         struct pipe_surface *ps = NULL;
 147
 148         ps = CALLOC_STRUCT(pipe_surface);
 149
 150         if (ps) {
 151                 pipe_reference_init(&ps->reference, 1);
 152                 pipe_resource_reference(&ps->texture, pt);
 153                 ps->context = pipe;
 154                 ps->format = surf_tmpl->format;
 155
 156                 if (pt->target != PIPE_BUFFER) {
 157                         assert(surf_tmpl->u.tex.level <= pt->last_level);
 158                         ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level);
 159                         ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level);
 160                         ps->u.tex.level = surf_tmpl->u.tex.level;
 161                         ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
 162                         ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
 163                 } else {
 164                         /* setting width as number of elements should get us correct renderbuffer width */
 165                         ps->width = surf_tmpl->u.buf.last_element - surf_tmpl->u.buf.first_element + 1;
 166                         ps->height = pt->height0;
 167                         ps->u.buf.first_element = surf_tmpl->u.buf.first_element;
 168                         ps->u.buf.last_element = surf_tmpl->u.buf.last_element;
 169                         assert(ps->u.buf.first_element <= ps->u.buf.last_element);
 170                         assert(ps->u.buf.last_element < ps->width);
 171                 }
 172         }
 173
 174         return ps;
 175 }
 176
 177 static void
 178 panfrost_surface_destroy(struct pipe_context *pipe,
 179                          struct pipe_surface *surf)
 180 {
 181         assert(surf->texture);
 182         pipe_resource_reference(&surf->texture, NULL);
 183         free(surf);
 184 }
 185
 186 static struct panfrost_bo *
 187 panfrost_create_bo(struct panfrost_screen *screen, const struct pipe_resource *template)
 188 {
 189         struct panfrost_bo *bo = CALLOC_STRUCT(panfrost_bo);
 190
 191         /* Calculate the size of the bo */
 192
 193         int bytes_per_pixel = util_format_get_blocksize(template->format);
 194         int stride = bytes_per_pixel * template->width0; /* TODO: Alignment? */
 195         size_t sz = stride;
 196
 197         if (template->height0) sz *= template->height0;
 198         if (template->depth0) sz *= template->depth0;
 199
 200         /* Depth buffers require extra space for unknown reasons */
 201
 202         if (template->bind & PIPE_BIND_DEPTH_STENCIL)
 203                 sz = sz + sz/256;
 204
 205         /* Based on the usage, figure out what storing will be used. There are
 206          * various tradeoffs:
 207          *
 208          * Linear: the basic format, bad for memory bandwidth, bad for cache
 209          * use. Zero-copy, though. Renderable.
 210          *
 211          * Tiled: Not compressed, but cache-optimized. Expensive to write into
 212          * (due to software tiling), but cheap to sample from. Ideal for most
 213          * textures.
 214          *
 215          * AFBC: Compressed and renderable (so always desirable for non-scanout
 216          * rendertargets). Cheap to sample from. The format is black box, so we
 217          * can't read/write from software.
 218          */
 219
 220         /* Tiling textures is almost always faster, unless we only use it once */
 221         bool should_tile = (template->usage != PIPE_USAGE_STREAM) && (template->bind & PIPE_BIND_SAMPLER_VIEW);
 222
 223         /* For unclear reasons, depth/stencil is faster linear than AFBC, so
 224          * make sure it's linear */
 225
 226         if (template->bind & PIPE_BIND_DEPTH_STENCIL)
 227                 should_tile = false;
 228
 229         /* Set the layout appropriately */
 230         bo->layout = should_tile ? PAN_TILED : PAN_LINEAR;
 231
 232         if (bo->layout == PAN_TILED) {
 233                 /* For tiled, we don't map directly, so just malloc any old buffer */
 234
 235                 for (int l = 0; l < (template->last_level + 1); ++l) {
 236                         bo->cpu[l] = malloc(sz);
 237                         bo->size[l] = sz;
 238                 }
 239         } else {
 240                 /* For a linear resource, allocate a block of memory from
 241                  * kernel space */
 242
 243                 struct panfrost_memory mem;
 244
 245                 bo->size[0] = ALIGN(sz, 4096);
 246                 screen->driver->allocate_slab(screen, &mem, bo->size[0] / 4096, true, 0, 0, 0);
 247
 248                 bo->cpu[0] = mem.cpu;
 249                 bo->gpu[0] = mem.gpu;
 250                 bo->gem_handle = mem.gem_handle;
 251
 252                 /* TODO: Mipmap */
 253         }
 254
 255         return bo;
 256 }
 257
 258 static struct pipe_resource *
 259 panfrost_resource_create(struct pipe_screen *screen,
 260                          const struct pipe_resource *template)
 261 {
 262         struct panfrost_resource *so = CALLOC_STRUCT(panfrost_resource);
 263         struct panfrost_screen *pscreen = (struct panfrost_screen *) screen;
 264
 265         so->base = *template;
 266         so->base.screen = screen;
 267
 268         pipe_reference_init(&so->base.reference, 1);
 269
 270         /* Make sure we're familiar */
 271         switch (template->target) {
 272                 case PIPE_BUFFER:
 273                 case PIPE_TEXTURE_1D:
 274                 case PIPE_TEXTURE_2D:
 275                 case PIPE_TEXTURE_3D:
 276                 case PIPE_TEXTURE_RECT:
 277                         break;
 278                 default:
 279                         DBG("Unknown texture target %d\n", template->target);
 280                         assert(0);
 281         }
 282
 283         if (template->bind & PIPE_BIND_DISPLAY_TARGET ||
 284             template->bind & PIPE_BIND_SCANOUT ||
 285             template->bind & PIPE_BIND_SHARED) {
 286                 struct pipe_resource scanout_templat = *template;
 287                 struct renderonly_scanout *scanout;
 288                 struct winsys_handle handle;
 289
 290                 /* TODO: align width0 and height0? */
 291
 292                 scanout = renderonly_scanout_for_resource(&scanout_templat,
 293                                                           pscreen->ro, &handle);
 294                 if (!scanout)
 295                         return NULL;
 296
 297                 assert(handle.type == WINSYS_HANDLE_TYPE_FD);
 298                 /* TODO: handle modifiers? */
 299                 so = pan_resource(screen->resource_from_handle(screen, template,
 300                                                                  &handle,
 301                                                                  PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE));
 302                 close(handle.handle);
 303                 if (!so)
 304                         return NULL;
 305
 306                 so->scanout = scanout;
 307                 pscreen->display_target = so;
 308         } else {
 309                 so->bo = panfrost_create_bo(pscreen, template);
 310         }
 311
 312         return (struct pipe_resource *)so;
 313 }
 314
 315 static void
 316 panfrost_destroy_bo(struct panfrost_screen *screen, struct panfrost_bo *pbo)
 317 {
 318         struct panfrost_bo *bo = (struct panfrost_bo *)pbo;
 319
 320         if (bo->layout == PAN_LINEAR && !bo->imported) {
 321                 /* Construct a memory object for all mip levels */
 322
 323                 struct panfrost_memory mem = {
 324                         .cpu = bo->cpu[0],
 325                         .gpu = bo->gpu[0],
 326                         .size = bo->size[0],
 327                         .gem_handle = bo->gem_handle,
 328                 };
 329
 330                 screen->driver->free_slab(screen, &mem);
 331         }
 332
 333         if (bo->layout == PAN_TILED) {
 334                 /* Tiled has a malloc'd CPU, so just plain ol' free needed */
 335
 336                 for (int l = 0; l < MAX_MIP_LEVELS; ++l) {
 337                         free(bo->cpu[l]);
 338                 }
 339         }
 340
 341         if (bo->layout == PAN_AFBC) {
 342                 /* TODO */
 343                 DBG("--leaking afbc (%d bytes)--\n", bo->afbc_metadata_size);
 344         }
 345
 346         if (bo->has_checksum) {
 347                 /* TODO */
 348                 DBG("--leaking checksum (%zd bytes)--\n", bo->checksum_slab.size);
 349         }
 350
 351         if (bo->imported) {
 352                 screen->driver->free_imported_bo(screen, bo);
 353         }
 354 }
 355
 356 static void
 357 panfrost_resource_destroy(struct pipe_screen *screen,
 358                           struct pipe_resource *pt)
 359 {
 360         struct panfrost_screen *pscreen = pan_screen(screen);
 361         struct panfrost_resource *rsrc = (struct panfrost_resource *) pt;
 362
 363         if (rsrc->scanout)
 364                 renderonly_scanout_destroy(rsrc->scanout, pscreen->ro);
 365
 366         if (rsrc->bo)
 367                 panfrost_destroy_bo(pscreen, rsrc->bo);
 368
 369         FREE(rsrc);
 370 }
 371
 372 static uint8_t *
 373 panfrost_map_bo(struct panfrost_context *ctx, struct pipe_transfer *transfer)
 374 {
 375         struct panfrost_bo *bo = (struct panfrost_bo *)pan_resource(transfer->resource)->bo;
 376
 377         /* If non-zero level, it's a mipmapped resource and needs to be treated as such */
 378         bo->is_mipmap |= transfer->level;
 379
 380         if (transfer->usage & PIPE_TRANSFER_MAP_DIRECTLY && bo->layout != PAN_LINEAR) {
 381                 /* We can only directly map linear resources */
 382                 return NULL;
 383         }
 384
 385         if (transfer->resource->bind & PIPE_BIND_DEPTH_STENCIL) {
 386                 /* Mipmapped readpixels?! */
 387                 assert(transfer->level == 0);
 388
 389                 /* Set the CPU mapping to that of the depth/stencil buffer in memory, untiled */
 390                 bo->cpu[transfer->level] = ctx->depth_stencil_buffer.cpu;
 391         }
 392
 393         return bo->cpu[transfer->level];
 394 }
 395
 396 static void *
 397 panfrost_transfer_map(struct pipe_context *pctx,
 398                       struct pipe_resource *resource,
 399                       unsigned level,
 400                       unsigned usage,  /* a combination of PIPE_TRANSFER_x */
 401                       const struct pipe_box *box,
 402                       struct pipe_transfer **out_transfer)
 403 {
 404         struct panfrost_context *ctx = pan_context(pctx);
 405         int bytes_per_pixel = util_format_get_blocksize(resource->format);
 406         int stride = bytes_per_pixel * resource->width0; /* TODO: Alignment? */
 407         uint8_t *cpu;
 408
 409         struct pipe_transfer *transfer = CALLOC_STRUCT(pipe_transfer);
 410         transfer->level = level;
 411         transfer->usage = usage;
 412         transfer->box = *box;
 413         transfer->stride = stride;
 414         assert(!transfer->box.z);
 415
 416         pipe_resource_reference(&transfer->resource, resource);
 417
 418         *out_transfer = transfer;
 419
 420         if (resource->bind & PIPE_BIND_DISPLAY_TARGET ||
 421             resource->bind & PIPE_BIND_SCANOUT ||
 422             resource->bind & PIPE_BIND_SHARED) {
 423                 /* Mipmapped readpixels?! */
 424                 assert(level == 0);
 425
 426                 /* Force a flush -- kill the pipeline */
 427                 panfrost_flush(pctx, NULL, PIPE_FLUSH_END_OF_FRAME);
 428         }
 429
 430         cpu = panfrost_map_bo(ctx, transfer);
 431         if (cpu == NULL)
 432                 return NULL;
 433
 434         return cpu + transfer->box.x * bytes_per_pixel + transfer->box.y * stride;
 435 }
 436
 437 static void
 438 panfrost_tile_texture(struct panfrost_screen *screen, struct panfrost_resource *rsrc, int level)
 439 {
 440         struct panfrost_bo *bo = (struct panfrost_bo *)rsrc->bo;
 441         int bytes_per_pixel = util_format_get_blocksize(rsrc->base.format);
 442         int stride = bytes_per_pixel * rsrc->base.width0; /* TODO: Alignment? */
 443
 444         int width = rsrc->base.width0 >> level;
 445         int height = rsrc->base.height0 >> level;
 446
 447         /* Estimate swizzled bitmap size. Slight overestimates are fine.
 448          * Underestimates will result in memory corruption or worse. */
 449
 450         int swizzled_sz = panfrost_swizzled_size(width, height, bytes_per_pixel);
 451
 452         /* Save the entry. But if there was already an entry here (from a
 453          * previous upload of the resource), free that one so we don't leak */
 454
 455         if (bo->entry[level] != NULL) {
 456                 bo->entry[level]->freed = true;
 457                 pb_slab_free(&screen->slabs, &bo->entry[level]->base);
 458         }
 459
 460         /* Allocate the transfer given that known size but do not copy */
 461         struct pb_slab_entry *entry = pb_slab_alloc(&screen->slabs, swizzled_sz, HEAP_TEXTURE);
 462         struct panfrost_memory_entry *p_entry = (struct panfrost_memory_entry *) entry;
 463         struct panfrost_memory *backing = (struct panfrost_memory *) entry->slab;
 464         uint8_t *swizzled = backing->cpu + p_entry->offset;
 465
 466         bo->entry[level] = p_entry;
 467         bo->gpu[level] = backing->gpu + p_entry->offset;
 468
 469         /* Run actual texture swizzle, writing directly to the mapped
 470          * GPU chunk we allocated */
 471
 472         panfrost_texture_swizzle(width, height, bytes_per_pixel, stride, bo->cpu[level], swizzled);
 473 }
 474
 475 static void
 476 panfrost_unmap_bo(struct panfrost_context *ctx,
 477                          struct pipe_transfer *transfer)
 478 {
 479         struct panfrost_bo *bo = (struct panfrost_bo *)pan_resource(transfer->resource)->bo;
 480
 481         if (transfer->usage & PIPE_TRANSFER_WRITE) {
 482                 if (transfer->resource->target == PIPE_TEXTURE_2D) {
 483                         struct panfrost_resource *prsrc = (struct panfrost_resource *) transfer->resource;
 484
 485                         /* Gallium thinks writeback happens here; instead, this is our cue to tile */
 486                         if (bo->layout == PAN_AFBC) {
 487                                 DBG("Warning: writes to afbc surface can't possibly work out well for you...\n");
 488                         } else if (bo->layout == PAN_TILED) {
 489                                 struct pipe_context *gallium = (struct pipe_context *) ctx;
 490                                 struct panfrost_screen *screen = pan_screen(gallium->screen);
 491                                 panfrost_tile_texture(screen, prsrc, transfer->level);
 492                         }
 493                 }
 494         }
 495 }
 496
 497 static void
 498 panfrost_transfer_unmap(struct pipe_context *pctx,
 499                         struct pipe_transfer *transfer)
 500 {
 501         struct panfrost_context *ctx = pan_context(pctx);
 502
 503         panfrost_unmap_bo(ctx, transfer);
 504
 505         /* Derefence the resource */
 506         pipe_resource_reference(&transfer->resource, NULL);
 507
 508         /* Transfer itself is CALLOCed at the moment */
 509         free(transfer);
 510 }
 511
 512 static struct pb_slab *
 513 panfrost_slab_alloc(void *priv, unsigned heap, unsigned entry_size, unsigned group_index)
 514 {
 515         struct panfrost_screen *screen = (struct panfrost_screen *) priv;
 516         struct panfrost_memory *mem = CALLOC_STRUCT(panfrost_memory);
 517
 518         size_t slab_size = (1 << (MAX_SLAB_ENTRY_SIZE + 1));
 519
 520         mem->slab.num_entries = slab_size / entry_size;
 521         mem->slab.num_free = mem->slab.num_entries;
 522
 523         LIST_INITHEAD(&mem->slab.free);
 524         for (unsigned i = 0; i < mem->slab.num_entries; ++i) {
 525                 /* Create a slab entry */
 526                 struct panfrost_memory_entry *entry = CALLOC_STRUCT(panfrost_memory_entry);
 527                 entry->offset = entry_size * i;
 528
 529                 entry->base.slab = &mem->slab;
 530                 entry->base.group_index = group_index;
 531
 532                 LIST_ADDTAIL(&entry->base.head, &mem->slab.free);
 533         }
 534
 535         /* Actually allocate the memory from kernel-space. Mapped, same_va, no
 536          * special flags */
 537
 538         screen->driver->allocate_slab(screen, mem, slab_size / 4096, true, 0, 0, 0);
 539
 540         return &mem->slab;
 541 }
 542
 543 static bool
 544 panfrost_slab_can_reclaim(void *priv, struct pb_slab_entry *entry)
 545 {
 546         struct panfrost_memory_entry *p_entry = (struct panfrost_memory_entry *) entry;
 547         return p_entry->freed;
 548 }
 549
 550 static void
 551 panfrost_slab_free(void *priv, struct pb_slab *slab)
 552 {
 553         struct panfrost_memory *mem = (struct panfrost_memory *) slab;
 554         struct panfrost_screen *screen = (struct panfrost_screen *) priv;
 555
 556         screen->driver->free_slab(screen, mem);
 557 }
 558
 559 static void
 560 panfrost_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
 561 {
 562         //DBG("TODO %s\n", __func__);
 563 }
 564
 565 static enum pipe_format
 566 panfrost_resource_get_internal_format(struct pipe_resource *prsrc)
 567 {
 568         return prsrc->format;
 569 }
 570
 571 static void
 572 panfrost_resource_set_stencil(struct pipe_resource *prsrc,
 573                               struct pipe_resource *stencil)
 574 {
 575         pan_resource(prsrc)->separate_stencil = pan_resource(stencil);
 576 }
 577
 578 static struct pipe_resource *
 579 panfrost_resource_get_stencil(struct pipe_resource *prsrc)
 580 {
 581         return &pan_resource(prsrc)->separate_stencil->base;
 582 }
 583
 584 static const struct u_transfer_vtbl transfer_vtbl = {
 585         .resource_create          = panfrost_resource_create,
 586         .resource_destroy         = panfrost_resource_destroy,
 587         .transfer_map             = panfrost_transfer_map,
 588         .transfer_unmap           = panfrost_transfer_unmap,
 589         .transfer_flush_region    = u_default_transfer_flush_region,
 590         .get_internal_format      = panfrost_resource_get_internal_format,
 591         .set_stencil              = panfrost_resource_set_stencil,
 592         .get_stencil              = panfrost_resource_get_stencil,
 593 };
 594
 595 void
 596 panfrost_resource_screen_init(struct panfrost_screen *pscreen)
 597 {
 598         //pscreen->base.resource_create_with_modifiers =
 599         //        panfrost_resource_create_with_modifiers;
 600         pscreen->base.resource_create = u_transfer_helper_resource_create;
 601         pscreen->base.resource_destroy = u_transfer_helper_resource_destroy;
 602         pscreen->base.resource_from_handle = panfrost_resource_from_handle;
 603         pscreen->base.resource_get_handle = panfrost_resource_get_handle;
 604         pscreen->base.transfer_helper = u_transfer_helper_create(&transfer_vtbl,
 605                                                             true, false,
 606                                                             true, true);
 607
 608         pb_slabs_init(&pscreen->slabs,
 609                         MIN_SLAB_ENTRY_SIZE,
 610                         MAX_SLAB_ENTRY_SIZE,
 611
 612                         3, /* Number of heaps */
 613
 614                         pscreen,
 615
 616                         panfrost_slab_can_reclaim,
 617                         panfrost_slab_alloc,
 618                         panfrost_slab_free);
 619 }
 620
 621 void
 622 panfrost_resource_context_init(struct pipe_context *pctx)
 623 {
 624         pctx->transfer_map = u_transfer_helper_transfer_map;
 625         pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
 626         pctx->transfer_unmap = u_transfer_helper_transfer_unmap;
 627         pctx->buffer_subdata = u_default_buffer_subdata;
 628         pctx->create_surface = panfrost_create_surface;
 629         pctx->surface_destroy = panfrost_surface_destroy;
 630         pctx->resource_copy_region = util_resource_copy_region;
 631         pctx->blit = panfrost_blit;
 632         //pctx->generate_mipmap = panfrost_generate_mipmap;
 633         pctx->flush_resource = panfrost_flush_resource;
 634         pctx->invalidate_resource = panfrost_invalidate_resource;
 635         pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
 636         pctx->buffer_subdata = u_default_buffer_subdata;
 637         pctx->texture_subdata = u_default_texture_subdata;
 638 }