src/gallium/drivers/panfrost/pan_resource.c

   1 /*
   2  * Copyright (C) 2008 VMware, Inc.
   3  * Copyright (C) 2014 Broadcom
   4  * Copyright (C) 2018-2019 Alyssa Rosenzweig
   5  * Copyright (C) 2019 Collabora
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the next
  15  * paragraph) shall be included in all copies or substantial portions of the
  16  * Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  24  * SOFTWARE.
  25  *
  26  * Authors (Collabora):
  27  *   Tomeu Vizoso <tomeu.vizoso@collabora.com>
  28  *   Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
  29  *
  30  */
  31
  32 #include <xf86drm.h>
  33 #include <fcntl.h>
  34 #include "drm-uapi/drm_fourcc.h"
  35
  36 #include "state_tracker/winsys_handle.h"
  37 #include "util/u_format.h"
  38 #include "util/u_memory.h"
  39 #include "util/u_surface.h"
  40 #include "util/u_transfer.h"
  41 #include "util/u_transfer_helper.h"
  42
  43 #include "pan_context.h"
  44 #include "pan_screen.h"
  45 #include "pan_resource.h"
  46 #include "pan_swizzle.h"
  47 #include "pan_util.h"
  48
  49 static struct pipe_resource *
  50 panfrost_resource_from_handle(struct pipe_screen *pscreen,
  51                               const struct pipe_resource *templat,
  52                               struct winsys_handle *whandle,
  53                               unsigned usage)
  54 {
  55         struct panfrost_screen *screen = pan_screen(pscreen);
  56         struct panfrost_resource *rsc;
  57         struct pipe_resource *prsc;
  58
  59         assert(whandle->type == WINSYS_HANDLE_TYPE_FD);
  60
  61         rsc = CALLOC_STRUCT(panfrost_resource);
  62         if (!rsc)
  63                 return NULL;
  64
  65         prsc = &rsc->base;
  66
  67         *prsc = *templat;
  68
  69         pipe_reference_init(&prsc->reference, 1);
  70         prsc->screen = pscreen;
  71
  72         rsc->bo = screen->driver->import_bo(screen, whandle);
  73         rsc->bo->slices[0].stride = whandle->stride;
  74
  75         if (screen->ro) {
  76                 rsc->scanout =
  77                         renderonly_create_gpu_import_for_resource(prsc, screen->ro, NULL);
  78                 /* failure is expected in some cases.. */
  79         }
  80
  81         return prsc;
  82 }
  83
  84 static boolean
  85 panfrost_resource_get_handle(struct pipe_screen *pscreen,
  86                              struct pipe_context *ctx,
  87                              struct pipe_resource *pt,
  88                              struct winsys_handle *handle,
  89                              unsigned usage)
  90 {
  91         struct panfrost_screen *screen = pan_screen(pscreen);
  92         struct panfrost_resource *rsrc = (struct panfrost_resource *) pt;
  93         struct renderonly_scanout *scanout = rsrc->scanout;
  94
  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                 handle->stride = rsrc->bo->slices[0].stride;
 105                 return TRUE;
 106         } else if (handle->type == WINSYS_HANDLE_TYPE_FD) {
 107                 if (scanout) {
 108                         struct drm_prime_handle args = {
 109                                 .handle = scanout->handle,
 110                                 .flags = DRM_CLOEXEC,
 111                         };
 112
 113                         int ret = drmIoctl(screen->ro->kms_fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args);
 114                         if (ret == -1)
 115                                 return FALSE;
 116
 117                         handle->stride = scanout->stride;
 118                         handle->handle = args.fd;
 119
 120                         return TRUE;
 121                 } else
 122                         return screen->driver->export_bo(screen, rsrc->bo->gem_handle, rsrc->bo->slices[0].stride, handle);
 123         }
 124
 125         return FALSE;
 126 }
 127
 128 static void
 129 panfrost_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
 130 {
 131         //DBG("TODO %s\n", __func__);
 132 }
 133
 134 static struct pipe_surface *
 135 panfrost_create_surface(struct pipe_context *pipe,
 136                         struct pipe_resource *pt,
 137                         const struct pipe_surface *surf_tmpl)
 138 {
 139         struct pipe_surface *ps = NULL;
 140
 141         ps = CALLOC_STRUCT(pipe_surface);
 142
 143         if (ps) {
 144                 pipe_reference_init(&ps->reference, 1);
 145                 pipe_resource_reference(&ps->texture, pt);
 146                 ps->context = pipe;
 147                 ps->format = surf_tmpl->format;
 148
 149                 if (pt->target != PIPE_BUFFER) {
 150                         assert(surf_tmpl->u.tex.level <= pt->last_level);
 151                         ps->width = u_minify(pt->width0, surf_tmpl->u.tex.level);
 152                         ps->height = u_minify(pt->height0, surf_tmpl->u.tex.level);
 153                         ps->u.tex.level = surf_tmpl->u.tex.level;
 154                         ps->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
 155                         ps->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
 156                 } else {
 157                         /* setting width as number of elements should get us correct renderbuffer width */
 158                         ps->width = surf_tmpl->u.buf.last_element - surf_tmpl->u.buf.first_element + 1;
 159                         ps->height = pt->height0;
 160                         ps->u.buf.first_element = surf_tmpl->u.buf.first_element;
 161                         ps->u.buf.last_element = surf_tmpl->u.buf.last_element;
 162                         assert(ps->u.buf.first_element <= ps->u.buf.last_element);
 163                         assert(ps->u.buf.last_element < ps->width);
 164                 }
 165         }
 166
 167         return ps;
 168 }
 169
 170 static void
 171 panfrost_surface_destroy(struct pipe_context *pipe,
 172                          struct pipe_surface *surf)
 173 {
 174         assert(surf->texture);
 175         pipe_resource_reference(&surf->texture, NULL);
 176         free(surf);
 177 }
 178
 179 static void
 180 panfrost_setup_slices(const struct pipe_resource *tmpl, struct panfrost_bo *bo)
 181 {
 182         unsigned width = tmpl->width0;
 183         unsigned height = tmpl->height0;
 184         unsigned bytes_per_pixel = util_format_get_blocksize(tmpl->format);
 185
 186         unsigned offset = 0;
 187
 188         for (unsigned l = 0; l <= tmpl->last_level; ++l) {
 189                 struct panfrost_slice *slice = &bo->slices[l];
 190
 191                 unsigned effective_width = width;
 192                 unsigned effective_height = height;
 193
 194                 /* Tiled operates blockwise; linear is packed */
 195
 196                 if (bo->layout == PAN_TILED) {
 197                         effective_width = ALIGN(effective_width, 16);
 198                         effective_height = ALIGN(effective_height, 16);
 199                 }
 200
 201                 slice->offset = offset;
 202
 203                 /* Compute the would-be stride */
 204                 unsigned stride = bytes_per_pixel * effective_width;
 205
 206                 /* ..but cache-line align it for performance */
 207                 stride = ALIGN(stride, 64);
 208                 slice->stride = stride;
 209
 210                 offset += slice->stride * effective_height;
 211
 212                 width = u_minify(width, 1);
 213                 height = u_minify(height, 1);
 214         }
 215
 216         assert(tmpl->array_size);
 217
 218         bo->cubemap_stride = ALIGN(offset, 64);
 219         bo->size = ALIGN(bo->cubemap_stride * tmpl->array_size, 4096);
 220 }
 221
 222 static struct panfrost_bo *
 223 panfrost_create_bo(struct panfrost_screen *screen, const struct pipe_resource *template)
 224 {
 225         struct panfrost_bo *bo = CALLOC_STRUCT(panfrost_bo);
 226         pipe_reference_init(&bo->reference, 1);
 227
 228         /* Based on the usage, figure out what storing will be used. There are
 229          * various tradeoffs:
 230          *
 231          * Linear: the basic format, bad for memory bandwidth, bad for cache
 232          * use. Zero-copy, though. Renderable.
 233          *
 234          * Tiled: Not compressed, but cache-optimized. Expensive to write into
 235          * (due to software tiling), but cheap to sample from. Ideal for most
 236          * textures.
 237          *
 238          * AFBC: Compressed and renderable (so always desirable for non-scanout
 239          * rendertargets). Cheap to sample from. The format is black box, so we
 240          * can't read/write from software.
 241          */
 242
 243         /* Tiling textures is almost always faster, unless we only use it once */
 244         bool should_tile = (template->usage != PIPE_USAGE_STREAM) && (template->bind & PIPE_BIND_SAMPLER_VIEW);
 245
 246         /* For unclear reasons, depth/stencil is faster linear than AFBC, so
 247          * make sure it's linear */
 248
 249         if (template->bind & PIPE_BIND_DEPTH_STENCIL)
 250                 should_tile = false;
 251
 252         /* Set the layout appropriately */
 253         bo->layout = should_tile ? PAN_TILED : PAN_LINEAR;
 254
 255         panfrost_setup_slices(template, bo);
 256
 257         if (bo->layout == PAN_TILED || bo->layout == PAN_LINEAR) {
 258                 struct panfrost_memory mem;
 259
 260                 screen->driver->allocate_slab(screen, &mem, bo->size / 4096, true, 0, 0, 0);
 261
 262                 bo->cpu = mem.cpu;
 263                 bo->gpu = mem.gpu;
 264                 bo->gem_handle = mem.gem_handle;
 265         }
 266
 267         return bo;
 268 }
 269
 270 static struct pipe_resource *
 271 panfrost_resource_create(struct pipe_screen *screen,
 272                          const struct pipe_resource *template)
 273 {
 274         struct panfrost_resource *so = CALLOC_STRUCT(panfrost_resource);
 275         struct panfrost_screen *pscreen = (struct panfrost_screen *) screen;
 276
 277         so->base = *template;
 278         so->base.screen = screen;
 279
 280         pipe_reference_init(&so->base.reference, 1);
 281
 282         /* Make sure we're familiar */
 283         switch (template->target) {
 284                 case PIPE_BUFFER:
 285                 case PIPE_TEXTURE_1D:
 286                 case PIPE_TEXTURE_2D:
 287                 case PIPE_TEXTURE_3D:
 288                 case PIPE_TEXTURE_CUBE:
 289                 case PIPE_TEXTURE_RECT:
 290                         break;
 291                 default:
 292                         DBG("Unknown texture target %d\n", template->target);
 293                         assert(0);
 294         }
 295
 296         util_range_init(&so->valid_buffer_range);
 297
 298         if (template->bind & PIPE_BIND_DISPLAY_TARGET ||
 299             template->bind & PIPE_BIND_SCANOUT ||
 300             template->bind & PIPE_BIND_SHARED) {
 301                 struct pipe_resource scanout_templat = *template;
 302                 struct renderonly_scanout *scanout;
 303                 struct winsys_handle handle;
 304
 305                 scanout = renderonly_scanout_for_resource(&scanout_templat,
 306                                                           pscreen->ro, &handle);
 307                 if (!scanout)
 308                         return NULL;
 309
 310                 assert(handle.type == WINSYS_HANDLE_TYPE_FD);
 311                 /* TODO: handle modifiers? */
 312                 so = pan_resource(screen->resource_from_handle(screen, template,
 313                                                                  &handle,
 314                                                                  PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE));
 315                 close(handle.handle);
 316                 if (!so)
 317                         return NULL;
 318
 319                 so->scanout = scanout;
 320                 pscreen->display_target = so;
 321         } else {
 322                 so->bo = panfrost_create_bo(pscreen, template);
 323         }
 324
 325         return (struct pipe_resource *)so;
 326 }
 327
 328 static void
 329 panfrost_destroy_bo(struct panfrost_screen *screen, struct panfrost_bo *pbo)
 330 {
 331         struct panfrost_bo *bo = (struct panfrost_bo *)pbo;
 332
 333         if ((bo->layout == PAN_LINEAR || bo->layout == PAN_TILED) &&
 334                         !bo->imported) {
 335                 struct panfrost_memory mem = {
 336                         .cpu = bo->cpu,
 337                         .gpu = bo->gpu,
 338                         .size = bo->size,
 339                         .gem_handle = bo->gem_handle,
 340                 };
 341
 342                 screen->driver->free_slab(screen, &mem);
 343         }
 344
 345         if (bo->layout == PAN_AFBC) {
 346                 /* TODO */
 347                 DBG("--leaking afbc (%d bytes)--\n", bo->afbc_metadata_size);
 348         }
 349
 350         if (bo->has_checksum) {
 351                 struct panfrost_memory mem = {
 352                         .cpu = bo->checksum_slab.cpu,
 353                         .gpu = bo->checksum_slab.gpu,
 354                         .size = bo->checksum_slab.size,
 355                         .gem_handle = bo->checksum_slab.gem_handle,
 356                 };
 357
 358                 screen->driver->free_slab(screen, &mem);
 359         }
 360
 361         if (bo->imported) {
 362                 screen->driver->free_imported_bo(screen, bo);
 363         }
 364 }
 365
 366 void
 367 panfrost_bo_reference(struct panfrost_bo *bo)
 368 {
 369         pipe_reference(NULL, &bo->reference);
 370 }
 371
 372 void
 373 panfrost_bo_unreference(struct pipe_screen *screen, struct panfrost_bo *bo)
 374 {
 375         /* When the reference count goes to zero, we need to cleanup */
 376
 377         if (pipe_reference(&bo->reference, NULL)) {
 378                 panfrost_destroy_bo(pan_screen(screen), bo);
 379         }
 380 }
 381
 382 static void
 383 panfrost_resource_destroy(struct pipe_screen *screen,
 384                           struct pipe_resource *pt)
 385 {
 386         struct panfrost_screen *pscreen = pan_screen(screen);
 387         struct panfrost_resource *rsrc = (struct panfrost_resource *) pt;
 388
 389         if (rsrc->scanout)
 390                 renderonly_scanout_destroy(rsrc->scanout, pscreen->ro);
 391
 392         if (rsrc->bo)
 393                 panfrost_bo_unreference(screen, rsrc->bo);
 394
 395         util_range_destroy(&rsrc->valid_buffer_range);
 396         FREE(rsrc);
 397 }
 398
 399 static void *
 400 panfrost_transfer_map(struct pipe_context *pctx,
 401                       struct pipe_resource *resource,
 402                       unsigned level,
 403                       unsigned usage,  /* a combination of PIPE_TRANSFER_x */
 404                       const struct pipe_box *box,
 405                       struct pipe_transfer **out_transfer)
 406 {
 407         int bytes_per_pixel = util_format_get_blocksize(resource->format);
 408         struct panfrost_resource *rsrc = pan_resource(resource);
 409         struct panfrost_bo *bo = rsrc->bo;
 410
 411         struct panfrost_gtransfer *transfer = CALLOC_STRUCT(panfrost_gtransfer);
 412         transfer->base.level = level;
 413         transfer->base.usage = usage;
 414         transfer->base.box = *box;
 415
 416         pipe_resource_reference(&transfer->base.resource, resource);
 417
 418         *out_transfer = &transfer->base;
 419
 420         /* Check if we're bound for rendering and this is a read pixels. If so,
 421          * we need to flush */
 422
 423         struct panfrost_context *ctx = pan_context(pctx);
 424         struct pipe_framebuffer_state *fb = &ctx->pipe_framebuffer;
 425
 426         bool is_bound = false;
 427
 428         for (unsigned c = 0; c < fb->nr_cbufs; ++c) {
 429                 is_bound |= fb->cbufs[c]->texture == resource;
 430         }
 431
 432         if (is_bound && (usage & PIPE_TRANSFER_READ)) {
 433                 assert(level == 0);
 434                 panfrost_flush(pctx, NULL, PIPE_FLUSH_END_OF_FRAME);
 435         }
 436
 437         /* TODO: Respect usage flags */
 438
 439         if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) {
 440                 /* TODO: reallocate */
 441                 //printf("debug: Missed reallocate\n");
 442         } else if ((usage & PIPE_TRANSFER_WRITE)
 443                         && resource->target == PIPE_BUFFER
 444                         && !util_ranges_intersect(&rsrc->valid_buffer_range, box->x, box->x + box->width)) {
 445                 /* No flush for writes to uninitialized */
 446         } else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
 447                 if (usage & PIPE_TRANSFER_WRITE) {
 448                         /* STUB: flush reading */
 449                         //printf("debug: missed reading flush %d\n", resource->target);
 450                 } else if (usage & PIPE_TRANSFER_READ) {
 451                         /* STUB: flush writing */
 452                         //printf("debug: missed writing flush %d (%d-%d)\n", resource->target, box->x, box->x + box->width);
 453                 } else {
 454                         /* Why are you even mapping?! */
 455                 }
 456         }
 457
 458         if (bo->layout != PAN_LINEAR) {
 459                 /* Non-linear resources need to be indirectly mapped */
 460
 461                 if (usage & PIPE_TRANSFER_MAP_DIRECTLY)
 462                         return NULL;
 463
 464                 transfer->base.stride = box->width * bytes_per_pixel;
 465                 transfer->base.layer_stride = transfer->base.stride * box->height;
 466
 467                 /* TODO: Reads */
 468                 transfer->map = malloc(transfer->base.layer_stride * box->depth);
 469
 470                 return transfer->map;
 471         } else {
 472                 transfer->base.stride = bo->slices[level].stride;
 473                 transfer->base.layer_stride = bo->cubemap_stride;
 474
 475                 return bo->cpu
 476                         + bo->slices[level].offset
 477                         + transfer->base.box.z * bo->cubemap_stride
 478                         + transfer->base.box.y * bo->slices[level].stride
 479                         + transfer->base.box.x * bytes_per_pixel;
 480         }
 481 }
 482
 483 static void
 484 panfrost_tile_texture(struct panfrost_screen *screen, struct panfrost_resource *rsrc, struct panfrost_gtransfer *trans)
 485 {
 486         struct panfrost_bo *bo = (struct panfrost_bo *)rsrc->bo;
 487
 488         unsigned level = trans->base.level;
 489
 490         panfrost_texture_swizzle(
 491                         trans->base.box.x,
 492                         trans->base.box.y,
 493                         trans->base.box.width,
 494                         trans->base.box.height,
 495                         util_format_get_blocksize(rsrc->base.format),
 496                         u_minify(rsrc->base.width0, level),
 497                         trans->map,
 498                         bo->cpu
 499                                 + bo->slices[level].offset
 500                                 + bo->cubemap_stride * trans->base.box.z
 501                         );
 502 }
 503
 504 static void
 505 panfrost_transfer_unmap(struct pipe_context *pctx,
 506                         struct pipe_transfer *transfer)
 507 {
 508         struct panfrost_context *ctx = pan_context(pctx);
 509
 510         /* Gallium expects writeback here, so we tile */
 511
 512         struct panfrost_gtransfer *trans = pan_transfer(transfer);
 513         struct panfrost_resource *prsrc = (struct panfrost_resource *) transfer->resource;
 514
 515         if (trans->map) {
 516                 struct panfrost_bo *bo = prsrc->bo;
 517
 518                 if (transfer->usage & PIPE_TRANSFER_WRITE) {
 519
 520                         if (bo->layout == PAN_AFBC) {
 521                                 DBG("Unimplemented: writes to AFBC\n");
 522                         } else if (bo->layout == PAN_TILED) {
 523                                 struct pipe_context *gallium = (struct pipe_context *) ctx;
 524                                 struct panfrost_screen *screen = pan_screen(gallium->screen);
 525                                 assert(transfer->box.depth == 1);
 526                                 panfrost_tile_texture(screen, prsrc, trans);
 527                         }
 528                 }
 529
 530                 free(trans->map);
 531         }
 532
 533
 534         util_range_add(&prsrc->valid_buffer_range,
 535                         transfer->box.x,
 536                         transfer->box.x + transfer->box.width);
 537
 538         /* Derefence the resource */
 539         pipe_resource_reference(&transfer->resource, NULL);
 540
 541         /* Transfer itself is CALLOCed at the moment */
 542         free(transfer);
 543 }
 544
 545 static void
 546 panfrost_transfer_flush_region(struct pipe_context *pctx,
 547                 struct pipe_transfer *transfer,
 548                 const struct pipe_box *box)
 549 {
 550         struct panfrost_resource *rsc = pan_resource(transfer->resource);
 551
 552         if (transfer->resource->target == PIPE_BUFFER) {
 553                 util_range_add(&rsc->valid_buffer_range,
 554                                            transfer->box.x + box->x,
 555                                            transfer->box.x + box->x + box->width);
 556         }
 557 }
 558
 559 static struct pb_slab *
 560 panfrost_slab_alloc(void *priv, unsigned heap, unsigned entry_size, unsigned group_index)
 561 {
 562         struct panfrost_screen *screen = (struct panfrost_screen *) priv;
 563         struct panfrost_memory *mem = CALLOC_STRUCT(panfrost_memory);
 564
 565         size_t slab_size = (1 << (MAX_SLAB_ENTRY_SIZE + 1));
 566
 567         mem->slab.num_entries = slab_size / entry_size;
 568         mem->slab.num_free = mem->slab.num_entries;
 569
 570         LIST_INITHEAD(&mem->slab.free);
 571         for (unsigned i = 0; i < mem->slab.num_entries; ++i) {
 572                 /* Create a slab entry */
 573                 struct panfrost_memory_entry *entry = CALLOC_STRUCT(panfrost_memory_entry);
 574                 entry->offset = entry_size * i;
 575
 576                 entry->base.slab = &mem->slab;
 577                 entry->base.group_index = group_index;
 578
 579                 LIST_ADDTAIL(&entry->base.head, &mem->slab.free);
 580         }
 581
 582         /* Actually allocate the memory from kernel-space. Mapped, same_va, no
 583          * special flags */
 584
 585         screen->driver->allocate_slab(screen, mem, slab_size / 4096, true, 0, 0, 0);
 586
 587         return &mem->slab;
 588 }
 589
 590 static bool
 591 panfrost_slab_can_reclaim(void *priv, struct pb_slab_entry *entry)
 592 {
 593         struct panfrost_memory_entry *p_entry = (struct panfrost_memory_entry *) entry;
 594         return p_entry->freed;
 595 }
 596
 597 static void
 598 panfrost_slab_free(void *priv, struct pb_slab *slab)
 599 {
 600         struct panfrost_memory *mem = (struct panfrost_memory *) slab;
 601         struct panfrost_screen *screen = (struct panfrost_screen *) priv;
 602
 603         screen->driver->free_slab(screen, mem);
 604 }
 605
 606 static void
 607 panfrost_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
 608 {
 609         //DBG("TODO %s\n", __func__);
 610 }
 611
 612 static enum pipe_format
 613 panfrost_resource_get_internal_format(struct pipe_resource *prsrc)
 614 {
 615         return prsrc->format;
 616 }
 617
 618 static void
 619 panfrost_resource_set_stencil(struct pipe_resource *prsrc,
 620                               struct pipe_resource *stencil)
 621 {
 622         pan_resource(prsrc)->separate_stencil = pan_resource(stencil);
 623 }
 624
 625 static struct pipe_resource *
 626 panfrost_resource_get_stencil(struct pipe_resource *prsrc)
 627 {
 628         return &pan_resource(prsrc)->separate_stencil->base;
 629 }
 630
 631 static const struct u_transfer_vtbl transfer_vtbl = {
 632         .resource_create          = panfrost_resource_create,
 633         .resource_destroy         = panfrost_resource_destroy,
 634         .transfer_map             = panfrost_transfer_map,
 635         .transfer_unmap           = panfrost_transfer_unmap,
 636         .transfer_flush_region    = panfrost_transfer_flush_region,
 637         .get_internal_format      = panfrost_resource_get_internal_format,
 638         .set_stencil              = panfrost_resource_set_stencil,
 639         .get_stencil              = panfrost_resource_get_stencil,
 640 };
 641
 642 void
 643 panfrost_resource_screen_init(struct panfrost_screen *pscreen)
 644 {
 645         //pscreen->base.resource_create_with_modifiers =
 646         //        panfrost_resource_create_with_modifiers;
 647         pscreen->base.resource_create = u_transfer_helper_resource_create;
 648         pscreen->base.resource_destroy = u_transfer_helper_resource_destroy;
 649         pscreen->base.resource_from_handle = panfrost_resource_from_handle;
 650         pscreen->base.resource_get_handle = panfrost_resource_get_handle;
 651         pscreen->base.transfer_helper = u_transfer_helper_create(&transfer_vtbl,
 652                                                             true, false,
 653                                                             true, true);
 654
 655         pb_slabs_init(&pscreen->slabs,
 656                         MIN_SLAB_ENTRY_SIZE,
 657                         MAX_SLAB_ENTRY_SIZE,
 658
 659                         3, /* Number of heaps */
 660
 661                         pscreen,
 662
 663                         panfrost_slab_can_reclaim,
 664                         panfrost_slab_alloc,
 665                         panfrost_slab_free);
 666 }
 667
 668 void
 669 panfrost_resource_context_init(struct pipe_context *pctx)
 670 {
 671         pctx->transfer_map = u_transfer_helper_transfer_map;
 672         pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
 673         pctx->transfer_unmap = u_transfer_helper_transfer_unmap;
 674         pctx->buffer_subdata = u_default_buffer_subdata;
 675         pctx->create_surface = panfrost_create_surface;
 676         pctx->surface_destroy = panfrost_surface_destroy;
 677         pctx->resource_copy_region = util_resource_copy_region;
 678         pctx->blit = panfrost_blit;
 679         pctx->flush_resource = panfrost_flush_resource;
 680         pctx->invalidate_resource = panfrost_invalidate_resource;
 681         pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
 682         pctx->buffer_subdata = u_default_buffer_subdata;
 683         pctx->texture_subdata = u_default_texture_subdata;
 684 }