src/gallium/drivers/zink/zink_resource.c

   1 /*
   2  * Copyright 2018 Collabora Ltd.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #include "zink_resource.h"
  25
  26 #include "zink_batch.h"
  27 #include "zink_context.h"
  28 #include "zink_screen.h"
  29
  30 #include "util/slab.h"
  31 #include "util/u_debug.h"
  32 #include "util/u_format.h"
  33 #include "util/u_inlines.h"
  34 #include "util/u_memory.h"
  35
  36 #include "state_tracker/sw_winsys.h"
  37
  38 static void
  39 zink_resource_destroy(struct pipe_screen *pscreen,
  40                       struct pipe_resource *pres)
  41 {
  42    struct zink_screen *screen = zink_screen(pscreen);
  43    struct zink_resource *res = zink_resource(pres);
  44    if (pres->target == PIPE_BUFFER)
  45       vkDestroyBuffer(screen->dev, res->buffer, NULL);
  46    else
  47       vkDestroyImage(screen->dev, res->image, NULL);
  48
  49    vkFreeMemory(screen->dev, res->mem, NULL);
  50    FREE(res);
  51 }
  52
  53 static uint32_t
  54 get_memory_type_index(struct zink_screen *screen,
  55                       const VkMemoryRequirements *reqs,
  56                       VkMemoryPropertyFlags props)
  57 {
  58    for (uint32_t i = 0u; i < VK_MAX_MEMORY_TYPES; i++) {
  59       if (((reqs->memoryTypeBits >> i) & 1) == 1) {
  60          if ((screen->mem_props.memoryTypes[i].propertyFlags & props) == props) {
  61             return i;
  62             break;
  63          }
  64       }
  65    }
  66
  67    unreachable("Unsupported memory-type");
  68    return 0;
  69 }
  70
  71 static VkImageAspectFlags
  72 aspect_from_format(enum pipe_format fmt)
  73 {
  74    if (util_format_is_depth_or_stencil(fmt)) {
  75       VkImageAspectFlags aspect = 0;
  76       const struct util_format_description *desc = util_format_description(fmt);
  77       if (util_format_has_depth(desc))
  78          aspect |= VK_IMAGE_ASPECT_DEPTH_BIT;
  79       if (util_format_has_stencil(desc))
  80          aspect |= VK_IMAGE_ASPECT_STENCIL_BIT;
  81       return aspect;
  82    } else
  83      return VK_IMAGE_ASPECT_COLOR_BIT;
  84 }
  85
  86 static struct pipe_resource *
  87 resource_create(struct pipe_screen *pscreen,
  88                 const struct pipe_resource *templ,
  89                 struct winsys_handle *whandle,
  90                 unsigned external_usage)
  91 {
  92    struct zink_screen *screen = zink_screen(pscreen);
  93    struct zink_resource *res = CALLOC_STRUCT(zink_resource);
  94
  95    res->base = *templ;
  96
  97    pipe_reference_init(&res->base.reference, 1);
  98    res->base.screen = pscreen;
  99
 100    VkMemoryRequirements reqs;
 101    VkMemoryPropertyFlags flags = 0;
 102    if (templ->target == PIPE_BUFFER) {
 103       VkBufferCreateInfo bci = {};
 104       bci.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
 105       bci.size = templ->width0;
 106
 107       bci.usage = 0;
 108
 109       if (templ->bind & PIPE_BIND_VERTEX_BUFFER)
 110          bci.usage |= VK_BUFFER_USAGE_VERTEX_BUFFER_BIT;
 111
 112       if (templ->bind & PIPE_BIND_INDEX_BUFFER)
 113          bci.usage |= VK_BUFFER_USAGE_INDEX_BUFFER_BIT;
 114
 115       if (templ->bind & PIPE_BIND_CONSTANT_BUFFER)
 116          bci.usage |= VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
 117
 118       if (templ->bind & PIPE_BIND_SHADER_BUFFER)
 119          bci.usage |= VK_BUFFER_USAGE_STORAGE_BUFFER_BIT;
 120
 121       if (templ->bind & PIPE_BIND_COMMAND_ARGS_BUFFER)
 122          bci.usage |= VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT;
 123
 124       if (templ->usage == PIPE_USAGE_STAGING)
 125          bci.usage |= VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT;
 126
 127       if (vkCreateBuffer(screen->dev, &bci, NULL, &res->buffer) !=
 128           VK_SUCCESS) {
 129          FREE(res);
 130          return NULL;
 131       }
 132
 133       vkGetBufferMemoryRequirements(screen->dev, res->buffer, &reqs);
 134       flags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT;
 135    } else {
 136       res->format = zink_get_format(screen, templ->format);
 137
 138       VkImageCreateInfo ici = {};
 139       ici.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
 140       ici.flags = VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT;
 141
 142       switch (templ->target) {
 143       case PIPE_TEXTURE_1D:
 144       case PIPE_TEXTURE_1D_ARRAY:
 145          ici.imageType = VK_IMAGE_TYPE_1D;
 146          break;
 147
 148       case PIPE_TEXTURE_CUBE:
 149       case PIPE_TEXTURE_CUBE_ARRAY:
 150          ici.flags |= VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT;
 151          /* fall-through */
 152       case PIPE_TEXTURE_2D:
 153       case PIPE_TEXTURE_2D_ARRAY:
 154       case PIPE_TEXTURE_RECT:
 155          ici.imageType = VK_IMAGE_TYPE_2D;
 156          break;
 157
 158       case PIPE_TEXTURE_3D:
 159          ici.imageType = VK_IMAGE_TYPE_3D;
 160          if (templ->bind & PIPE_BIND_RENDER_TARGET)
 161             ici.flags |= VK_IMAGE_CREATE_2D_ARRAY_COMPATIBLE_BIT;
 162          break;
 163
 164       case PIPE_BUFFER:
 165          unreachable("PIPE_BUFFER should already be handled");
 166
 167       default:
 168          unreachable("Unknown target");
 169       }
 170
 171       ici.format = res->format;
 172       ici.extent.width = templ->width0;
 173       ici.extent.height = templ->height0;
 174       ici.extent.depth = templ->depth0;
 175       ici.mipLevels = templ->last_level + 1;
 176       ici.arrayLayers = templ->array_size;
 177       ici.samples = templ->nr_samples ? templ->nr_samples : VK_SAMPLE_COUNT_1_BIT;
 178       ici.tiling = templ->bind & PIPE_BIND_LINEAR ? VK_IMAGE_TILING_LINEAR : VK_IMAGE_TILING_OPTIMAL;
 179
 180       if (templ->target == PIPE_TEXTURE_CUBE ||
 181           templ->target == PIPE_TEXTURE_CUBE_ARRAY)
 182          ici.arrayLayers *= 6;
 183
 184       if (templ->bind & (PIPE_BIND_DISPLAY_TARGET |
 185                          PIPE_BIND_SCANOUT |
 186                          PIPE_BIND_SHARED)) {
 187          // assert(ici.tiling == VK_IMAGE_TILING_LINEAR);
 188          ici.tiling = VK_IMAGE_TILING_LINEAR;
 189       }
 190
 191       if (templ->usage == PIPE_USAGE_STAGING)
 192          ici.tiling = VK_IMAGE_TILING_LINEAR;
 193
 194       /* sadly, gallium doesn't let us know if it'll ever need this, so we have to assume */
 195       ici.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
 196                   VK_IMAGE_USAGE_TRANSFER_DST_BIT |
 197                   VK_IMAGE_USAGE_SAMPLED_BIT;
 198
 199       if (templ->bind & PIPE_BIND_SHADER_IMAGE)
 200          ici.usage |= VK_IMAGE_USAGE_STORAGE_BIT;
 201
 202       if (templ->bind & PIPE_BIND_RENDER_TARGET)
 203          ici.usage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 204
 205       if (templ->bind & PIPE_BIND_DEPTH_STENCIL)
 206          ici.usage |= VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
 207
 208       if (templ->flags & PIPE_RESOURCE_FLAG_SPARSE)
 209          ici.usage |= VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT;
 210
 211       if (templ->bind & PIPE_BIND_STREAM_OUTPUT)
 212          ici.usage |= VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT;
 213
 214       ici.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
 215       ici.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
 216       res->layout = VK_IMAGE_LAYOUT_UNDEFINED;
 217
 218       VkResult result = vkCreateImage(screen->dev, &ici, NULL, &res->image);
 219       if (result != VK_SUCCESS) {
 220          FREE(res);
 221          return NULL;
 222       }
 223
 224       res->optimial_tiling = ici.tiling != VK_IMAGE_TILING_LINEAR;
 225       res->aspect = aspect_from_format(templ->format);
 226
 227       vkGetImageMemoryRequirements(screen->dev, res->image, &reqs);
 228       if (templ->usage == PIPE_USAGE_STAGING || (screen->winsys && (templ->bind & (PIPE_BIND_SCANOUT|PIPE_BIND_DISPLAY_TARGET|PIPE_BIND_SHARED))))
 229         flags |= VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT;
 230       else
 231         flags |= VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
 232    }
 233
 234    VkMemoryAllocateInfo mai = {};
 235    mai.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
 236    mai.allocationSize = reqs.size;
 237    mai.memoryTypeIndex = get_memory_type_index(screen, &reqs, flags);
 238
 239    VkExportMemoryAllocateInfo emai = {};
 240    if (templ->bind & PIPE_BIND_SHARED) {
 241       emai.sType = VK_STRUCTURE_TYPE_EXPORT_MEMORY_ALLOCATE_INFO;
 242       emai.handleTypes = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT;
 243       mai.pNext = &emai;
 244    }
 245
 246    VkImportMemoryFdInfoKHR imfi = {
 247       VK_STRUCTURE_TYPE_IMPORT_MEMORY_FD_INFO_KHR,
 248       NULL,
 249    };
 250
 251    if (whandle && whandle->type == WINSYS_HANDLE_TYPE_FD) {
 252       imfi.sType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT;
 253       imfi.pNext = NULL;
 254       imfi.handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT;
 255       imfi.fd = whandle->handle;
 256
 257       emai.pNext = &imfi;
 258    }
 259
 260    if (vkAllocateMemory(screen->dev, &mai, NULL, &res->mem) != VK_SUCCESS)
 261       goto fail;
 262
 263    res->offset = 0;
 264    res->size = reqs.size;
 265
 266    if (templ->target == PIPE_BUFFER)
 267       vkBindBufferMemory(screen->dev, res->buffer, res->mem, res->offset);
 268    else
 269       vkBindImageMemory(screen->dev, res->image, res->mem, res->offset);
 270
 271    if (screen->winsys && (templ->bind & (PIPE_BIND_DISPLAY_TARGET |
 272                                          PIPE_BIND_SCANOUT |
 273                                          PIPE_BIND_SHARED))) {
 274       struct sw_winsys *winsys = screen->winsys;
 275       res->dt = winsys->displaytarget_create(screen->winsys,
 276                                              res->base.bind,
 277                                              res->base.format,
 278                                              templ->width0,
 279                                              templ->height0,
 280                                              64, NULL,
 281                                              &res->dt_stride);
 282    }
 283
 284    return &res->base;
 285
 286 fail:
 287    if (templ->target == PIPE_BUFFER)
 288       vkDestroyBuffer(screen->dev, res->buffer, NULL);
 289    else
 290       vkDestroyImage(screen->dev, res->image, NULL);
 291
 292    FREE(res);
 293
 294    return NULL;
 295 }
 296
 297 static struct pipe_resource *
 298 zink_resource_create(struct pipe_screen *pscreen,
 299                      const struct pipe_resource *templ)
 300 {
 301    return resource_create(pscreen, templ, NULL, 0);
 302 }
 303
 304 static bool
 305 zink_resource_get_handle(struct pipe_screen *pscreen,
 306                          struct pipe_context *context,
 307                          struct pipe_resource *tex,
 308                          struct winsys_handle *whandle,
 309                          unsigned usage)
 310 {
 311    struct zink_resource *res = zink_resource(tex);
 312    struct zink_screen *screen = zink_screen(pscreen);
 313    VkMemoryGetFdInfoKHR fd_info = {};
 314    int fd;
 315
 316    if (res->base.target != PIPE_BUFFER) {
 317       VkImageSubresource sub_res = {};
 318       VkSubresourceLayout sub_res_layout = {};
 319
 320       sub_res.aspectMask = res->aspect;
 321
 322       vkGetImageSubresourceLayout(screen->dev, res->image, &sub_res, &sub_res_layout);
 323
 324       whandle->stride = sub_res_layout.rowPitch;
 325    }
 326
 327    if (whandle->type == WINSYS_HANDLE_TYPE_FD) {
 328
 329       if (!screen->vk_GetMemoryFdKHR)
 330          screen->vk_GetMemoryFdKHR = (PFN_vkGetMemoryFdKHR)vkGetDeviceProcAddr(screen->dev, "vkGetMemoryFdKHR");
 331       if (!screen->vk_GetMemoryFdKHR)
 332          return false;
 333       fd_info.sType = VK_STRUCTURE_TYPE_MEMORY_GET_FD_INFO_KHR;
 334       fd_info.memory = res->mem;
 335       fd_info.handleType = VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT;
 336       VkResult result = (*screen->vk_GetMemoryFdKHR)(screen->dev, &fd_info, &fd);
 337       if (result != VK_SUCCESS)
 338          return false;
 339       whandle->handle = fd;
 340    }
 341    return true;
 342 }
 343
 344 static struct pipe_resource *
 345 zink_resource_from_handle(struct pipe_screen *pscreen,
 346                  const struct pipe_resource *templ,
 347                  struct winsys_handle *whandle,
 348                  unsigned usage)
 349 {
 350    return resource_create(pscreen, templ, whandle, usage);
 351 }
 352
 353 void
 354 zink_screen_resource_init(struct pipe_screen *pscreen)
 355 {
 356    pscreen->resource_create = zink_resource_create;
 357    pscreen->resource_destroy = zink_resource_destroy;
 358
 359    if (zink_screen(pscreen)->have_KHR_external_memory_fd) {
 360       pscreen->resource_get_handle = zink_resource_get_handle;
 361       pscreen->resource_from_handle = zink_resource_from_handle;
 362    }
 363 }
 364
 365 static bool
 366 zink_transfer_copy_bufimage(struct zink_context *ctx,
 367                             struct zink_resource *res,
 368                             struct zink_resource *staging_res,
 369                             struct zink_transfer *trans,
 370                             bool buf2img)
 371 {
 372    struct zink_batch *batch = zink_batch_no_rp(ctx);
 373
 374    if (buf2img) {
 375       if (res->layout != VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL) {
 376          zink_resource_barrier(batch->cmdbuf, res, res->aspect,
 377                                VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL);
 378       }
 379    } else {
 380       if (res->layout != VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL) {
 381          zink_resource_barrier(batch->cmdbuf, res, res->aspect,
 382                                VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL);
 383       }
 384    }
 385
 386    VkBufferImageCopy copyRegion = {};
 387    copyRegion.bufferOffset = staging_res->offset;
 388    copyRegion.bufferRowLength = 0;
 389    copyRegion.bufferImageHeight = 0;
 390    copyRegion.imageSubresource.mipLevel = trans->base.level;
 391    copyRegion.imageSubresource.layerCount = 1;
 392    if (res->base.array_size > 1) {
 393       copyRegion.imageSubresource.baseArrayLayer = trans->base.box.z;
 394       copyRegion.imageSubresource.layerCount = trans->base.box.depth;
 395       copyRegion.imageExtent.depth = 1;
 396    } else {
 397       copyRegion.imageOffset.z = trans->base.box.z;
 398       copyRegion.imageExtent.depth = trans->base.box.depth;
 399    }
 400    copyRegion.imageOffset.x = trans->base.box.x;
 401    copyRegion.imageOffset.y = trans->base.box.y;
 402
 403    copyRegion.imageExtent.width = trans->base.box.width;
 404    copyRegion.imageExtent.height = trans->base.box.height;
 405
 406    zink_batch_reference_resoure(batch, res);
 407    zink_batch_reference_resoure(batch, staging_res);
 408
 409    unsigned aspects = res->aspect;
 410    while (aspects) {
 411       int aspect = 1 << u_bit_scan(&aspects);
 412       copyRegion.imageSubresource.aspectMask = aspect;
 413
 414       if (buf2img)
 415          vkCmdCopyBufferToImage(batch->cmdbuf, staging_res->buffer, res->image, res->layout, 1, &copyRegion);
 416       else
 417          vkCmdCopyImageToBuffer(batch->cmdbuf, res->image, res->layout, staging_res->buffer, 1, &copyRegion);
 418    }
 419
 420    return true;
 421 }
 422
 423 static void *
 424 zink_transfer_map(struct pipe_context *pctx,
 425                   struct pipe_resource *pres,
 426                   unsigned level,
 427                   unsigned usage,
 428                   const struct pipe_box *box,
 429                   struct pipe_transfer **transfer)
 430 {
 431    struct zink_context *ctx = zink_context(pctx);
 432    struct zink_screen *screen = zink_screen(pctx->screen);
 433    struct zink_resource *res = zink_resource(pres);
 434
 435    struct zink_transfer *trans = slab_alloc(&ctx->transfer_pool);
 436    if (!trans)
 437       return NULL;
 438
 439    memset(trans, 0, sizeof(*trans));
 440    pipe_resource_reference(&trans->base.resource, pres);
 441
 442    trans->base.resource = pres;
 443    trans->base.level = level;
 444    trans->base.usage = usage;
 445    trans->base.box = *box;
 446
 447    void *ptr;
 448    if (pres->target == PIPE_BUFFER) {
 449       VkResult result = vkMapMemory(screen->dev, res->mem, res->offset, res->size, 0, &ptr);
 450       if (result != VK_SUCCESS)
 451          return NULL;
 452
 453       trans->base.stride = 0;
 454       trans->base.layer_stride = 0;
 455       ptr = ((uint8_t *)ptr) + box->x;
 456    } else {
 457       if (res->optimial_tiling || ((res->base.usage != PIPE_USAGE_STAGING))) {
 458          trans->base.stride = util_format_get_stride(pres->format, box->width);
 459          trans->base.layer_stride = util_format_get_2d_size(pres->format,
 460                                                             trans->base.stride,
 461                                                             box->height);
 462
 463          struct pipe_resource templ = *pres;
 464          templ.usage = PIPE_USAGE_STAGING;
 465          templ.target = PIPE_BUFFER;
 466          templ.bind = 0;
 467          templ.width0 = trans->base.layer_stride * box->depth;
 468          templ.height0 = templ.depth0 = 0;
 469          templ.last_level = 0;
 470          templ.array_size = 1;
 471          templ.flags = 0;
 472
 473          trans->staging_res = zink_resource_create(pctx->screen, &templ);
 474          if (!trans->staging_res)
 475             return NULL;
 476
 477          struct zink_resource *staging_res = zink_resource(trans->staging_res);
 478
 479          if (usage & PIPE_TRANSFER_READ) {
 480             struct zink_context *ctx = zink_context(pctx);
 481             bool ret = zink_transfer_copy_bufimage(ctx, res,
 482                                                    staging_res, trans,
 483                                                    false);
 484             if (ret == false)
 485                return NULL;
 486
 487             /* need to wait for rendering to finish */
 488             struct pipe_fence_handle *fence = NULL;
 489             pctx->flush(pctx, &fence, PIPE_FLUSH_HINT_FINISH);
 490             if (fence) {
 491                pctx->screen->fence_finish(pctx->screen, NULL, fence,
 492                                           PIPE_TIMEOUT_INFINITE);
 493                pctx->screen->fence_reference(pctx->screen, &fence, NULL);
 494             }
 495          }
 496
 497          VkResult result = vkMapMemory(screen->dev, staging_res->mem,
 498                                        staging_res->offset,
 499                                        staging_res->size, 0, &ptr);
 500          if (result != VK_SUCCESS)
 501             return NULL;
 502
 503       } else {
 504          assert(!res->optimial_tiling);
 505          VkResult result = vkMapMemory(screen->dev, res->mem, res->offset, res->size, 0, &ptr);
 506          if (result != VK_SUCCESS)
 507             return NULL;
 508          VkImageSubresource isr = {
 509             res->aspect,
 510             level,
 511             0
 512          };
 513          VkSubresourceLayout srl;
 514          vkGetImageSubresourceLayout(screen->dev, res->image, &isr, &srl);
 515          trans->base.stride = srl.rowPitch;
 516          trans->base.layer_stride = srl.arrayPitch;
 517          ptr = ((uint8_t *)ptr) + box->z * srl.depthPitch +
 518                                   box->y * srl.rowPitch +
 519                                   box->x;
 520       }
 521    }
 522
 523    *transfer = &trans->base;
 524    return ptr;
 525 }
 526
 527 static void
 528 zink_transfer_unmap(struct pipe_context *pctx,
 529                     struct pipe_transfer *ptrans)
 530 {
 531    struct zink_context *ctx = zink_context(pctx);
 532    struct zink_screen *screen = zink_screen(pctx->screen);
 533    struct zink_resource *res = zink_resource(ptrans->resource);
 534    struct zink_transfer *trans = (struct zink_transfer *)ptrans;
 535    if (trans->staging_res) {
 536       struct zink_resource *staging_res = zink_resource(trans->staging_res);
 537       vkUnmapMemory(screen->dev, staging_res->mem);
 538
 539       if (trans->base.usage & PIPE_TRANSFER_WRITE) {
 540          struct zink_context *ctx = zink_context(pctx);
 541
 542          zink_transfer_copy_bufimage(ctx, res, staging_res, trans, true);
 543       }
 544
 545       pipe_resource_reference(&trans->staging_res, NULL);
 546    } else
 547       vkUnmapMemory(screen->dev, res->mem);
 548
 549    pipe_resource_reference(&trans->base.resource, NULL);
 550    slab_free(&ctx->transfer_pool, ptrans);
 551 }
 552
 553 void
 554 zink_context_resource_init(struct pipe_context *pctx)
 555 {
 556    pctx->transfer_map = zink_transfer_map;
 557    pctx->transfer_unmap = zink_transfer_unmap;
 558
 559    pctx->transfer_flush_region = u_default_transfer_flush_region;
 560    pctx->buffer_subdata = u_default_buffer_subdata;
 561    pctx->texture_subdata = u_default_texture_subdata;
 562 }