src/amd/vulkan/radv_wsi.c

   1 /*
   2  * Copyright © 2016 Red Hat
   3  * based on intel anv code:
   4  * Copyright © 2015 Intel Corporation
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  23  * IN THE SOFTWARE.
  24  */
  25
  26 #include "radv_private.h"
  27 #include "radv_meta.h"
  28 #include "wsi_common.h"
  29 #include "vk_util.h"
  30 #include "util/macros.h"
  31
  32 #define WSI_CB(x) .x = radv_##x
  33 MAYBE_UNUSED static const struct wsi_callbacks wsi_cbs = {
  34         WSI_CB(GetPhysicalDeviceFormatProperties),
  35 };
  36
  37 VkResult
  38 radv_init_wsi(struct radv_physical_device *physical_device)
  39 {
  40         VkResult result;
  41
  42         memset(physical_device->wsi_device.wsi, 0, sizeof(physical_device->wsi_device.wsi));
  43
  44 #ifdef VK_USE_PLATFORM_XCB_KHR
  45         result = wsi_x11_init_wsi(&physical_device->wsi_device, &physical_device->instance->alloc);
  46         if (result != VK_SUCCESS)
  47                 return result;
  48 #endif
  49
  50 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
  51         result = wsi_wl_init_wsi(&physical_device->wsi_device, &physical_device->instance->alloc,
  52                                  radv_physical_device_to_handle(physical_device),
  53                                  &wsi_cbs);
  54         if (result != VK_SUCCESS) {
  55 #ifdef VK_USE_PLATFORM_XCB_KHR
  56                 wsi_x11_finish_wsi(&physical_device->wsi_device, &physical_device->instance->alloc);
  57 #endif
  58                 return result;
  59         }
  60 #endif
  61
  62         return VK_SUCCESS;
  63 }
  64
  65 void
  66 radv_finish_wsi(struct radv_physical_device *physical_device)
  67 {
  68 #ifdef VK_USE_PLATFORM_WAYLAND_KHR
  69         wsi_wl_finish_wsi(&physical_device->wsi_device, &physical_device->instance->alloc);
  70 #endif
  71 #ifdef VK_USE_PLATFORM_XCB_KHR
  72         wsi_x11_finish_wsi(&physical_device->wsi_device, &physical_device->instance->alloc);
  73 #endif
  74 }
  75
  76 void radv_DestroySurfaceKHR(
  77         VkInstance                                   _instance,
  78         VkSurfaceKHR                                 _surface,
  79         const VkAllocationCallbacks*                 pAllocator)
  80 {
  81         RADV_FROM_HANDLE(radv_instance, instance, _instance);
  82         ICD_FROM_HANDLE(VkIcdSurfaceBase, surface, _surface);
  83
  84         vk_free2(&instance->alloc, pAllocator, surface);
  85 }
  86
  87 VkResult radv_GetPhysicalDeviceSurfaceSupportKHR(
  88         VkPhysicalDevice                            physicalDevice,
  89         uint32_t                                    queueFamilyIndex,
  90         VkSurfaceKHR                                _surface,
  91         VkBool32*                                   pSupported)
  92 {
  93         RADV_FROM_HANDLE(radv_physical_device, device, physicalDevice);
  94         ICD_FROM_HANDLE(VkIcdSurfaceBase, surface, _surface);
  95         struct wsi_interface *iface = device->wsi_device.wsi[surface->platform];
  96
  97         return iface->get_support(surface, &device->wsi_device,
  98                                   &device->instance->alloc,
  99                                   queueFamilyIndex, device->local_fd, true, pSupported);
 100 }
 101
 102 VkResult radv_GetPhysicalDeviceSurfaceCapabilitiesKHR(
 103         VkPhysicalDevice                            physicalDevice,
 104         VkSurfaceKHR                                _surface,
 105         VkSurfaceCapabilitiesKHR*                   pSurfaceCapabilities)
 106 {
 107         RADV_FROM_HANDLE(radv_physical_device, device, physicalDevice);
 108         ICD_FROM_HANDLE(VkIcdSurfaceBase, surface, _surface);
 109         struct wsi_interface *iface = device->wsi_device.wsi[surface->platform];
 110
 111         return iface->get_capabilities(surface, pSurfaceCapabilities);
 112 }
 113
 114 VkResult radv_GetPhysicalDeviceSurfaceFormatsKHR(
 115         VkPhysicalDevice                            physicalDevice,
 116         VkSurfaceKHR                                _surface,
 117         uint32_t*                                   pSurfaceFormatCount,
 118         VkSurfaceFormatKHR*                         pSurfaceFormats)
 119 {
 120         RADV_FROM_HANDLE(radv_physical_device, device, physicalDevice);
 121         ICD_FROM_HANDLE(VkIcdSurfaceBase, surface, _surface);
 122         struct wsi_interface *iface = device->wsi_device.wsi[surface->platform];
 123
 124         return iface->get_formats(surface, &device->wsi_device, pSurfaceFormatCount,
 125                                   pSurfaceFormats);
 126 }
 127
 128 VkResult radv_GetPhysicalDeviceSurfacePresentModesKHR(
 129         VkPhysicalDevice                            physicalDevice,
 130         VkSurfaceKHR                                _surface,
 131         uint32_t*                                   pPresentModeCount,
 132         VkPresentModeKHR*                           pPresentModes)
 133 {
 134         RADV_FROM_HANDLE(radv_physical_device, device, physicalDevice);
 135         ICD_FROM_HANDLE(VkIcdSurfaceBase, surface, _surface);
 136         struct wsi_interface *iface = device->wsi_device.wsi[surface->platform];
 137
 138         return iface->get_present_modes(surface, pPresentModeCount,
 139                                         pPresentModes);
 140 }
 141
 142 static VkResult
 143 radv_wsi_image_create(VkDevice device_h,
 144                       const VkSwapchainCreateInfoKHR *pCreateInfo,
 145                       const VkAllocationCallbacks* pAllocator,
 146                       bool needs_linear_copy,
 147                       bool linear,
 148                       struct wsi_image *wsi_image)
 149 {
 150         VkResult result = VK_SUCCESS;
 151         struct radeon_surf *surface;
 152         VkImage image_h;
 153         struct radv_image *image;
 154         int fd;
 155         RADV_FROM_HANDLE(radv_device, device, device_h);
 156
 157         result = radv_image_create(device_h,
 158                                    &(struct radv_image_create_info) {
 159                                            .vk_info =
 160                                                    &(VkImageCreateInfo) {
 161                                                    .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
 162                                                    .imageType = VK_IMAGE_TYPE_2D,
 163                                                    .format = pCreateInfo->imageFormat,
 164                                                    .extent = {
 165                                                            .width = pCreateInfo->imageExtent.width,
 166                                                            .height = pCreateInfo->imageExtent.height,
 167                                                            .depth = 1
 168                                                    },
 169                                                    .mipLevels = 1,
 170                                                    .arrayLayers = 1,
 171                                                    .samples = 1,
 172                                                    /* FIXME: Need a way to use X tiling to allow scanout */
 173                                                    .tiling = linear ? VK_IMAGE_TILING_LINEAR : VK_IMAGE_TILING_OPTIMAL,
 174                                                    .usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
 175                                                    .flags = 0,
 176                                            },
 177                                                    .scanout = true},
 178                                    NULL,
 179                                    &image_h);
 180         if (result != VK_SUCCESS)
 181                 return result;
 182
 183         image = radv_image_from_handle(image_h);
 184
 185         VkDeviceMemory memory_h;
 186
 187         const VkMemoryDedicatedAllocateInfoKHR ded_alloc = {
 188                 .sType = VK_STRUCTURE_TYPE_MEMORY_DEDICATED_ALLOCATE_INFO_KHR,
 189                 .pNext = NULL,
 190                 .buffer = VK_NULL_HANDLE,
 191                 .image = image_h
 192         };
 193
 194         /* Find the first VRAM memory type, or GART for PRIME images. */
 195         int memory_type_index = -1;
 196         for (int i = 0; i < device->physical_device->memory_properties.memoryTypeCount; ++i) {
 197                 bool is_local = !!(device->physical_device->memory_properties.memoryTypes[i].propertyFlags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
 198                 if ((linear && !is_local) || (!linear && is_local)) {
 199                         memory_type_index = i;
 200                         break;
 201                 }
 202         }
 203
 204         /* fallback */
 205         if (memory_type_index == -1)
 206                 memory_type_index = 0;
 207
 208         result = radv_alloc_memory(device_h,
 209                                      &(VkMemoryAllocateInfo) {
 210                                              .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
 211                                              .pNext = &ded_alloc,
 212                                              .allocationSize = image->size,
 213                                              .memoryTypeIndex = memory_type_index,
 214                                      },
 215                                      NULL /* XXX: pAllocator */,
 216                                      RADV_MEM_IMPLICIT_SYNC,
 217                                      &memory_h);
 218         if (result != VK_SUCCESS)
 219                 goto fail_create_image;
 220
 221         radv_BindImageMemory(device_h, image_h, memory_h, 0);
 222
 223         /*
 224          * return the fd for the image in the no copy mode,
 225          * or the fd for the linear image if a copy is required.
 226          */
 227         if (!needs_linear_copy || (needs_linear_copy && linear)) {
 228                 RADV_FROM_HANDLE(radv_device_memory, memory, memory_h);
 229                 if (!radv_get_memory_fd(device, memory, &fd))
 230                         goto fail_alloc_memory;
 231                 wsi_image->fd = fd;
 232         }
 233
 234         surface = &image->surface;
 235
 236         wsi_image->image = image_h;
 237         wsi_image->memory = memory_h;
 238         wsi_image->size = image->size;
 239         wsi_image->offset = image->offset;
 240         if (device->physical_device->rad_info.chip_class >= GFX9)
 241                 wsi_image->row_pitch =
 242                         surface->u.gfx9.surf_pitch * surface->bpe;
 243         else
 244                 wsi_image->row_pitch =
 245                         surface->u.legacy.level[0].nblk_x * surface->bpe;
 246
 247         return VK_SUCCESS;
 248  fail_alloc_memory:
 249         radv_FreeMemory(device_h, memory_h, pAllocator);
 250
 251 fail_create_image:
 252         radv_DestroyImage(device_h, image_h, pAllocator);
 253
 254         return result;
 255 }
 256
 257 static void
 258 radv_wsi_image_free(VkDevice device,
 259                     const VkAllocationCallbacks* pAllocator,
 260                     struct wsi_image *wsi_image)
 261 {
 262         radv_DestroyImage(device, wsi_image->image, pAllocator);
 263
 264         radv_FreeMemory(device, wsi_image->memory, pAllocator);
 265 }
 266
 267 static const struct wsi_image_fns radv_wsi_image_fns = {
 268    .create_wsi_image = radv_wsi_image_create,
 269    .free_wsi_image = radv_wsi_image_free,
 270 };
 271
 272 #define NUM_PRIME_POOLS RADV_QUEUE_TRANSFER
 273 static void
 274 radv_wsi_free_prime_command_buffers(struct radv_device *device,
 275                                     struct wsi_swapchain *swapchain)
 276 {
 277         const int num_pools = NUM_PRIME_POOLS;
 278         const int num_images = swapchain->image_count;
 279         int i;
 280         for (i = 0; i < num_pools; i++) {
 281                 radv_FreeCommandBuffers(radv_device_to_handle(device),
 282                                      swapchain->cmd_pools[i],
 283                                      swapchain->image_count,
 284                                      &swapchain->cmd_buffers[i * num_images]);
 285
 286                 radv_DestroyCommandPool(radv_device_to_handle(device),
 287                                      swapchain->cmd_pools[i],
 288                                      &swapchain->alloc);
 289         }
 290 }
 291
 292 static VkResult
 293 radv_wsi_create_prime_command_buffers(struct radv_device *device,
 294                                       const VkAllocationCallbacks *alloc,
 295                                       struct wsi_swapchain *swapchain)
 296 {
 297         const int num_pools = NUM_PRIME_POOLS;
 298         const int num_images = swapchain->image_count;
 299         int num_cmd_buffers = num_images * num_pools; //TODO bump to MAX_QUEUE_FAMILIES
 300         VkResult result;
 301         int i, j;
 302
 303         swapchain->cmd_buffers = vk_alloc(alloc, (sizeof(VkCommandBuffer) * num_cmd_buffers), 8,
 304                                           VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
 305         if (!swapchain->cmd_buffers)
 306                 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 307
 308         memset(swapchain->cmd_buffers, 0, sizeof(VkCommandBuffer) * num_cmd_buffers);
 309         memset(swapchain->cmd_pools, 0, sizeof(VkCommandPool) * num_pools);
 310         for (i = 0; i < num_pools; i++) {
 311                 VkCommandPoolCreateInfo pool_create_info;
 312
 313                 pool_create_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
 314                 pool_create_info.pNext = NULL;
 315                 pool_create_info.flags = 0;
 316                 pool_create_info.queueFamilyIndex = i;
 317
 318                 result = radv_CreateCommandPool(radv_device_to_handle(device),
 319                                                 &pool_create_info, alloc,
 320                                                 &swapchain->cmd_pools[i]);
 321                 if (result != VK_SUCCESS)
 322                         goto fail;
 323
 324                 VkCommandBufferAllocateInfo cmd_buffer_info;
 325                 cmd_buffer_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
 326                 cmd_buffer_info.pNext = NULL;
 327                 cmd_buffer_info.commandPool = swapchain->cmd_pools[i];
 328                 cmd_buffer_info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
 329                 cmd_buffer_info.commandBufferCount = num_images;
 330
 331                 result = radv_AllocateCommandBuffers(radv_device_to_handle(device),
 332                                                      &cmd_buffer_info,
 333                                                      &swapchain->cmd_buffers[i * num_images]);
 334                 if (result != VK_SUCCESS)
 335                         goto fail;
 336                 for (j = 0; j < num_images; j++) {
 337                         VkImage image, linear_image;
 338                         int idx = (i * num_images) + j;
 339
 340                         swapchain->get_image_and_linear(swapchain, j, &image, &linear_image);
 341                         VkCommandBufferBeginInfo begin_info = {0};
 342
 343                         begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
 344
 345                         radv_BeginCommandBuffer(swapchain->cmd_buffers[idx], &begin_info);
 346
 347                         radv_blit_to_prime_linear(radv_cmd_buffer_from_handle(swapchain->cmd_buffers[idx]),
 348                                                   radv_image_from_handle(image),
 349                                                   radv_image_from_handle(linear_image));
 350
 351                         radv_EndCommandBuffer(swapchain->cmd_buffers[idx]);
 352                 }
 353         }
 354         return VK_SUCCESS;
 355 fail:
 356         radv_wsi_free_prime_command_buffers(device, swapchain);
 357         return result;
 358 }
 359
 360 VkResult radv_CreateSwapchainKHR(
 361         VkDevice                                     _device,
 362         const VkSwapchainCreateInfoKHR*              pCreateInfo,
 363         const VkAllocationCallbacks*                 pAllocator,
 364         VkSwapchainKHR*                              pSwapchain)
 365 {
 366         RADV_FROM_HANDLE(radv_device, device, _device);
 367         ICD_FROM_HANDLE(VkIcdSurfaceBase, surface, pCreateInfo->surface);
 368         struct wsi_interface *iface =
 369                 device->physical_device->wsi_device.wsi[surface->platform];
 370         struct wsi_swapchain *swapchain;
 371         const VkAllocationCallbacks *alloc;
 372         if (pAllocator)
 373                 alloc = pAllocator;
 374         else
 375                 alloc = &device->alloc;
 376         VkResult result = iface->create_swapchain(surface, _device,
 377                                                   &device->physical_device->wsi_device,
 378                                                   device->physical_device->local_fd,
 379                                                   pCreateInfo,
 380                                                   alloc, &radv_wsi_image_fns,
 381                                                   &swapchain);
 382         if (result != VK_SUCCESS)
 383                 return result;
 384
 385         if (pAllocator)
 386                 swapchain->alloc = *pAllocator;
 387         else
 388                 swapchain->alloc = device->alloc;
 389
 390         for (unsigned i = 0; i < ARRAY_SIZE(swapchain->fences); i++)
 391                 swapchain->fences[i] = VK_NULL_HANDLE;
 392
 393         if (swapchain->needs_linear_copy) {
 394                 result = radv_wsi_create_prime_command_buffers(device, alloc,
 395                                                                swapchain);
 396                 if (result != VK_SUCCESS)
 397                         return result;
 398         }
 399
 400         *pSwapchain = wsi_swapchain_to_handle(swapchain);
 401
 402         return VK_SUCCESS;
 403 }
 404
 405 void radv_DestroySwapchainKHR(
 406         VkDevice                                     _device,
 407         VkSwapchainKHR                               _swapchain,
 408         const VkAllocationCallbacks*                 pAllocator)
 409 {
 410         RADV_FROM_HANDLE(radv_device, device, _device);
 411         RADV_FROM_HANDLE(wsi_swapchain, swapchain, _swapchain);
 412         const VkAllocationCallbacks *alloc;
 413
 414         if (!_swapchain)
 415                 return;
 416
 417         if (pAllocator)
 418                 alloc = pAllocator;
 419         else
 420                 alloc = &device->alloc;
 421
 422         for (unsigned i = 0; i < ARRAY_SIZE(swapchain->fences); i++) {
 423                 if (swapchain->fences[i] != VK_NULL_HANDLE)
 424                         radv_DestroyFence(_device, swapchain->fences[i], pAllocator);
 425         }
 426
 427         if (swapchain->needs_linear_copy)
 428                 radv_wsi_free_prime_command_buffers(device, swapchain);
 429
 430         swapchain->destroy(swapchain, alloc);
 431 }
 432
 433 VkResult radv_GetSwapchainImagesKHR(
 434         VkDevice                                     device,
 435         VkSwapchainKHR                               _swapchain,
 436         uint32_t*                                    pSwapchainImageCount,
 437         VkImage*                                     pSwapchainImages)
 438 {
 439         RADV_FROM_HANDLE(wsi_swapchain, swapchain, _swapchain);
 440
 441         return swapchain->get_images(swapchain, pSwapchainImageCount,
 442                                      pSwapchainImages);
 443 }
 444
 445 VkResult radv_AcquireNextImageKHR(
 446         VkDevice                                     device,
 447         VkSwapchainKHR                               _swapchain,
 448         uint64_t                                     timeout,
 449         VkSemaphore                                  semaphore,
 450         VkFence                                      _fence,
 451         uint32_t*                                    pImageIndex)
 452 {
 453         RADV_FROM_HANDLE(wsi_swapchain, swapchain, _swapchain);
 454         RADV_FROM_HANDLE(radv_fence, fence, _fence);
 455
 456         VkResult result = swapchain->acquire_next_image(swapchain, timeout, semaphore,
 457                                                         pImageIndex);
 458
 459         if (fence && (result == VK_SUCCESS || result == VK_SUBOPTIMAL_KHR)) {
 460                 fence->submitted = true;
 461                 fence->signalled = true;
 462         }
 463         return result;
 464 }
 465
 466 VkResult radv_QueuePresentKHR(
 467         VkQueue                                  _queue,
 468         const VkPresentInfoKHR*                  pPresentInfo)
 469 {
 470         RADV_FROM_HANDLE(radv_queue, queue, _queue);
 471         VkResult result = VK_SUCCESS;
 472         const VkPresentRegionsKHR *regions =
 473                  vk_find_struct_const(pPresentInfo->pNext, PRESENT_REGIONS_KHR);
 474
 475         for (uint32_t i = 0; i < pPresentInfo->swapchainCount; i++) {
 476                 RADV_FROM_HANDLE(wsi_swapchain, swapchain, pPresentInfo->pSwapchains[i]);
 477                 struct radeon_winsys_cs *cs;
 478                 const VkPresentRegionKHR *region = NULL;
 479                 VkResult item_result;
 480                 struct radv_winsys_sem_info sem_info;
 481
 482                 item_result = radv_alloc_sem_info(&sem_info,
 483                                                   pPresentInfo->waitSemaphoreCount,
 484                                                   pPresentInfo->pWaitSemaphores,
 485                                                   0,
 486                                                   NULL);
 487                 if (pPresentInfo->pResults != NULL)
 488                         pPresentInfo->pResults[i] = item_result;
 489                 result = result == VK_SUCCESS ? item_result : result;
 490                 if (item_result != VK_SUCCESS) {
 491                         radv_free_sem_info(&sem_info);
 492                         continue;
 493                 }
 494
 495                 assert(radv_device_from_handle(swapchain->device) == queue->device);
 496                 if (swapchain->fences[0] == VK_NULL_HANDLE) {
 497                         item_result = radv_CreateFence(radv_device_to_handle(queue->device),
 498                                                   &(VkFenceCreateInfo) {
 499                                                           .sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
 500                                                                   .flags = 0,
 501                                                                   }, &swapchain->alloc, &swapchain->fences[0]);
 502                         if (pPresentInfo->pResults != NULL)
 503                                 pPresentInfo->pResults[i] = item_result;
 504                         result = result == VK_SUCCESS ? item_result : result;
 505                         if (item_result != VK_SUCCESS) {
 506                                 radv_free_sem_info(&sem_info);
 507                                 continue;
 508                         }
 509                 } else {
 510                         radv_ResetFences(radv_device_to_handle(queue->device),
 511                                          1, &swapchain->fences[0]);
 512                 }
 513
 514                 if (swapchain->needs_linear_copy) {
 515                         int idx = (queue->queue_family_index * swapchain->image_count) + pPresentInfo->pImageIndices[i];
 516                         cs = radv_cmd_buffer_from_handle(swapchain->cmd_buffers[idx])->cs;
 517                 } else
 518                         cs = queue->device->empty_cs[queue->queue_family_index];
 519                 RADV_FROM_HANDLE(radv_fence, fence, swapchain->fences[0]);
 520                 struct radeon_winsys_fence *base_fence = fence->fence;
 521                 struct radeon_winsys_ctx *ctx = queue->hw_ctx;
 522
 523                 queue->device->ws->cs_submit(ctx, queue->queue_idx,
 524                                              &cs,
 525                                              1, NULL, NULL,
 526                                              &sem_info,
 527                                              false, base_fence);
 528                 fence->submitted = true;
 529
 530                 if (regions && regions->pRegions)
 531                         region = &regions->pRegions[i];
 532
 533                 item_result = swapchain->queue_present(swapchain,
 534                                                   pPresentInfo->pImageIndices[i],
 535                                                   region);
 536                 /* TODO: What if one of them returns OUT_OF_DATE? */
 537                 if (pPresentInfo->pResults != NULL)
 538                         pPresentInfo->pResults[i] = item_result;
 539                 result = result == VK_SUCCESS ? item_result : result;
 540                 if (item_result != VK_SUCCESS) {
 541                         radv_free_sem_info(&sem_info);
 542                         continue;
 543                 }
 544
 545                 VkFence last = swapchain->fences[2];
 546                 swapchain->fences[2] = swapchain->fences[1];
 547                 swapchain->fences[1] = swapchain->fences[0];
 548                 swapchain->fences[0] = last;
 549
 550                 if (last != VK_NULL_HANDLE) {
 551                         radv_WaitForFences(radv_device_to_handle(queue->device),
 552                                            1, &last, true, 1);
 553                 }
 554
 555                 radv_free_sem_info(&sem_info);
 556         }
 557
 558         return VK_SUCCESS;
 559 }