src/amd/vulkan/radv_wsi_wayland.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 <wayland-client.h>
  27 #include <wayland-drm-client-protocol.h>
  28
  29 #include "radv_wsi.h"
  30
  31 #include "vk_format.h"
  32 #include <util/hash_table.h>
  33
  34 #define MIN_NUM_IMAGES 2
  35
  36 struct wsi_wl_display {
  37         struct radv_physical_device                  *physical_device;
  38         struct wl_display *                          display;
  39         struct wl_drm *                              drm;
  40
  41         /* Vector of VkFormats supported */
  42         struct radv_vector                            formats;
  43
  44         uint32_t                                     capabilities;
  45 };
  46
  47 struct wsi_wayland {
  48         struct radv_wsi_interface                     base;
  49
  50         struct radv_physical_device *                 physical_device;
  51
  52         pthread_mutex_t                              mutex;
  53         /* Hash table of wl_display -> wsi_wl_display mappings */
  54         struct hash_table *                          displays;
  55 };
  56
  57 static void
  58 wsi_wl_display_add_vk_format(struct wsi_wl_display *display, VkFormat format)
  59 {
  60         /* Don't add a format that's already in the list */
  61         VkFormat *f;
  62         radv_vector_foreach(f, &display->formats)
  63                 if (*f == format)
  64                         return;
  65
  66         /* Don't add formats that aren't renderable. */
  67         VkFormatProperties props;
  68         radv_GetPhysicalDeviceFormatProperties(
  69                 radv_physical_device_to_handle(display->physical_device), format, &props);
  70         if (!(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
  71                 return;
  72
  73         f = radv_vector_add(&display->formats);
  74         if (f)
  75                 *f = format;
  76 }
  77
  78 static void
  79 drm_handle_device(void *data, struct wl_drm *drm, const char *name)
  80 {
  81         fprintf(stderr, "wl_drm.device(%s)\n", name);
  82 }
  83
  84 static uint32_t
  85 wl_drm_format_for_vk_format(VkFormat vk_format, bool alpha)
  86 {
  87         switch (vk_format) {
  88                 /* TODO: Figure out what all the formats mean and make this table
  89                  * correct.
  90                  */
  91 #if 0
  92         case VK_FORMAT_R4G4B4A4_UNORM:
  93                 return alpha ? WL_DRM_FORMAT_ABGR4444 : WL_DRM_FORMAT_XBGR4444;
  94         case VK_FORMAT_R5G6B5_UNORM:
  95                 return WL_DRM_FORMAT_BGR565;
  96         case VK_FORMAT_R5G5B5A1_UNORM:
  97                 return alpha ? WL_DRM_FORMAT_ABGR1555 : WL_DRM_FORMAT_XBGR1555;
  98         case VK_FORMAT_R8G8B8_UNORM:
  99                 return WL_DRM_FORMAT_XBGR8888;
 100         case VK_FORMAT_R8G8B8A8_UNORM:
 101                 return alpha ? WL_DRM_FORMAT_ABGR8888 : WL_DRM_FORMAT_XBGR8888;
 102         case VK_FORMAT_R10G10B10A2_UNORM:
 103                 return alpha ? WL_DRM_FORMAT_ABGR2101010 : WL_DRM_FORMAT_XBGR2101010;
 104         case VK_FORMAT_B4G4R4A4_UNORM:
 105                 return alpha ? WL_DRM_FORMAT_ARGB4444 : WL_DRM_FORMAT_XRGB4444;
 106         case VK_FORMAT_B5G6R5_UNORM:
 107                 return WL_DRM_FORMAT_RGB565;
 108         case VK_FORMAT_B5G5R5A1_UNORM:
 109                 return alpha ? WL_DRM_FORMAT_XRGB1555 : WL_DRM_FORMAT_XRGB1555;
 110 #endif
 111         case VK_FORMAT_B8G8R8_SRGB:
 112                 return WL_DRM_FORMAT_BGRX8888;
 113         case VK_FORMAT_B8G8R8A8_SRGB:
 114                 return alpha ? WL_DRM_FORMAT_ARGB8888 : WL_DRM_FORMAT_XRGB8888;
 115 #if 0
 116         case VK_FORMAT_B10G10R10A2_UNORM:
 117                 return alpha ? WL_DRM_FORMAT_ARGB2101010 : WL_DRM_FORMAT_XRGB2101010;
 118 #endif
 119
 120         default:
 121                 assert(!"Unsupported Vulkan format");
 122                 return 0;
 123         }
 124 }
 125
 126 static void
 127 drm_handle_format(void *data, struct wl_drm *drm, uint32_t wl_format)
 128 {
 129         struct wsi_wl_display *display = data;
 130
 131         switch (wl_format) {
 132 #if 0
 133         case WL_DRM_FORMAT_ABGR4444:
 134         case WL_DRM_FORMAT_XBGR4444:
 135                 wsi_wl_display_add_vk_format(display, VK_FORMAT_R4G4B4A4_UNORM);
 136                 break;
 137         case WL_DRM_FORMAT_BGR565:
 138                 wsi_wl_display_add_vk_format(display, VK_FORMAT_R5G6B5_UNORM);
 139                 break;
 140         case WL_DRM_FORMAT_ABGR1555:
 141         case WL_DRM_FORMAT_XBGR1555:
 142                 wsi_wl_display_add_vk_format(display, VK_FORMAT_R5G5B5A1_UNORM);
 143                 break;
 144         case WL_DRM_FORMAT_XBGR8888:
 145                 wsi_wl_display_add_vk_format(display, VK_FORMAT_R8G8B8_UNORM);
 146                 /* fallthrough */
 147         case WL_DRM_FORMAT_ABGR8888:
 148                 wsi_wl_display_add_vk_format(display, VK_FORMAT_R8G8B8A8_UNORM);
 149                 break;
 150         case WL_DRM_FORMAT_ABGR2101010:
 151         case WL_DRM_FORMAT_XBGR2101010:
 152                 wsi_wl_display_add_vk_format(display, VK_FORMAT_R10G10B10A2_UNORM);
 153                 break;
 154         case WL_DRM_FORMAT_ARGB4444:
 155         case WL_DRM_FORMAT_XRGB4444:
 156                 wsi_wl_display_add_vk_format(display, VK_FORMAT_B4G4R4A4_UNORM);
 157                 break;
 158         case WL_DRM_FORMAT_RGB565:
 159                 wsi_wl_display_add_vk_format(display, VK_FORMAT_B5G6R5_UNORM);
 160                 break;
 161         case WL_DRM_FORMAT_ARGB1555:
 162         case WL_DRM_FORMAT_XRGB1555:
 163                 wsi_wl_display_add_vk_format(display, VK_FORMAT_B5G5R5A1_UNORM);
 164                 break;
 165 #endif
 166         case WL_DRM_FORMAT_XRGB8888:
 167                 wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8_SRGB);
 168                 /* fallthrough */
 169         case WL_DRM_FORMAT_ARGB8888:
 170                 wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8A8_SRGB);
 171                 break;
 172 #if 0
 173         case WL_DRM_FORMAT_ARGB2101010:
 174         case WL_DRM_FORMAT_XRGB2101010:
 175                 wsi_wl_display_add_vk_format(display, VK_FORMAT_B10G10R10A2_UNORM);
 176                 break;
 177 #endif
 178         }
 179 }
 180
 181 static void
 182 drm_handle_authenticated(void *data, struct wl_drm *drm)
 183 {
 184 }
 185
 186 static void
 187 drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t capabilities)
 188 {
 189         struct wsi_wl_display *display = data;
 190
 191         display->capabilities = capabilities;
 192 }
 193
 194 static const struct wl_drm_listener drm_listener = {
 195         drm_handle_device,
 196         drm_handle_format,
 197         drm_handle_authenticated,
 198         drm_handle_capabilities,
 199 };
 200
 201 static void
 202 registry_handle_global(void *data, struct wl_registry *registry,
 203                        uint32_t name, const char *interface, uint32_t version)
 204 {
 205         struct wsi_wl_display *display = data;
 206
 207         if (strcmp(interface, "wl_drm") == 0) {
 208                 assert(display->drm == NULL);
 209
 210                 assert(version >= 2);
 211                 display->drm = wl_registry_bind(registry, name, &wl_drm_interface, 2);
 212
 213                 if (display->drm)
 214                         wl_drm_add_listener(display->drm, &drm_listener, display);
 215         }
 216 }
 217
 218 static void
 219 registry_handle_global_remove(void *data, struct wl_registry *registry,
 220                               uint32_t name)
 221 { /* No-op */ }
 222
 223 static const struct wl_registry_listener registry_listener = {
 224         registry_handle_global,
 225         registry_handle_global_remove
 226 };
 227
 228 static void
 229 wsi_wl_display_destroy(struct wsi_wayland *wsi, struct wsi_wl_display *display)
 230 {
 231         radv_vector_finish(&display->formats);
 232         if (display->drm)
 233                 wl_drm_destroy(display->drm);
 234         radv_free(&wsi->physical_device->instance->alloc, display);
 235 }
 236
 237 static struct wsi_wl_display *
 238 wsi_wl_display_create(struct wsi_wayland *wsi, struct wl_display *wl_display)
 239 {
 240         struct wsi_wl_display *display =
 241                 radv_alloc(&wsi->physical_device->instance->alloc, sizeof(*display), 8,
 242                            VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
 243         if (!display)
 244                 return NULL;
 245
 246         memset(display, 0, sizeof(*display));
 247
 248         display->display = wl_display;
 249         display->physical_device = wsi->physical_device;
 250
 251         if (!radv_vector_init(&display->formats, sizeof(VkFormat), 8))
 252                 goto fail;
 253
 254         struct wl_registry *registry = wl_display_get_registry(wl_display);
 255         if (!registry)
 256                 return NULL;
 257
 258         wl_registry_add_listener(registry, &registry_listener, display);
 259
 260         /* Round-rip to get the wl_drm global */
 261         wl_display_roundtrip(wl_display);
 262
 263         if (!display->drm)
 264                 goto fail;
 265
 266         /* Round-rip to get wl_drm formats and capabilities */
 267         wl_display_roundtrip(wl_display);
 268
 269         /* We need prime support */
 270         if (!(display->capabilities & WL_DRM_CAPABILITY_PRIME))
 271                 goto fail;
 272
 273         /* We don't need this anymore */
 274         wl_registry_destroy(registry);
 275
 276         return display;
 277
 278 fail:
 279         if (registry)
 280                 wl_registry_destroy(registry);
 281
 282         wsi_wl_display_destroy(wsi, display);
 283         return NULL;
 284 }
 285
 286 static struct wsi_wl_display *
 287 wsi_wl_get_display(struct radv_physical_device *device,
 288                    struct wl_display *wl_display)
 289 {
 290         struct wsi_wayland *wsi =
 291                 (struct wsi_wayland *)device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
 292
 293         pthread_mutex_lock(&wsi->mutex);
 294
 295         struct hash_entry *entry = _mesa_hash_table_search(wsi->displays,
 296                                                            wl_display);
 297         if (!entry) {
 298                 /* We're about to make a bunch of blocking calls.  Let's drop the
 299                  * mutex for now so we don't block up too badly.
 300                  */
 301                 pthread_mutex_unlock(&wsi->mutex);
 302
 303                 struct wsi_wl_display *display = wsi_wl_display_create(wsi, wl_display);
 304
 305                 pthread_mutex_lock(&wsi->mutex);
 306
 307                 entry = _mesa_hash_table_search(wsi->displays, wl_display);
 308                 if (entry) {
 309                         /* Oops, someone raced us to it */
 310                         wsi_wl_display_destroy(wsi, display);
 311                 } else {
 312                         entry = _mesa_hash_table_insert(wsi->displays, wl_display, display);
 313                 }
 314         }
 315
 316         pthread_mutex_unlock(&wsi->mutex);
 317
 318         return entry->data;
 319 }
 320
 321 VkBool32 radv_GetPhysicalDeviceWaylandPresentationSupportKHR(
 322         VkPhysicalDevice                            physicalDevice,
 323         uint32_t                                    queueFamilyIndex,
 324         struct wl_display*                          display)
 325 {
 326         RADV_FROM_HANDLE(radv_physical_device, physical_device, physicalDevice);
 327
 328         return wsi_wl_get_display(physical_device, display) != NULL;
 329 }
 330
 331 static VkResult
 332 wsi_wl_surface_get_support(VkIcdSurfaceBase *surface,
 333                            struct radv_physical_device *device,
 334                            uint32_t queueFamilyIndex,
 335                            VkBool32* pSupported)
 336 {
 337         *pSupported = true;
 338
 339         return VK_SUCCESS;
 340 }
 341
 342 static const VkPresentModeKHR present_modes[] = {
 343         VK_PRESENT_MODE_MAILBOX_KHR,
 344         VK_PRESENT_MODE_FIFO_KHR,
 345 };
 346
 347 static VkResult
 348 wsi_wl_surface_get_capabilities(VkIcdSurfaceBase *surface,
 349                                 struct radv_physical_device *device,
 350                                 VkSurfaceCapabilitiesKHR* caps)
 351 {
 352         caps->minImageCount = MIN_NUM_IMAGES;
 353         caps->maxImageCount = 4;
 354         caps->currentExtent = (VkExtent2D) { -1, -1 };
 355         caps->minImageExtent = (VkExtent2D) { 1, 1 };
 356         caps->maxImageExtent = (VkExtent2D) { INT16_MAX, INT16_MAX };
 357         caps->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
 358         caps->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
 359         caps->maxImageArrayLayers = 1;
 360
 361         caps->supportedCompositeAlpha =
 362                 VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR |
 363                 VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
 364
 365         caps->supportedUsageFlags =
 366                 VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
 367                 VK_IMAGE_USAGE_SAMPLED_BIT |
 368                 VK_IMAGE_USAGE_TRANSFER_DST_BIT |
 369                 VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 370
 371         return VK_SUCCESS;
 372 }
 373
 374 static VkResult
 375 wsi_wl_surface_get_formats(VkIcdSurfaceBase *icd_surface,
 376                            struct radv_physical_device *device,
 377                            uint32_t* pSurfaceFormatCount,
 378                            VkSurfaceFormatKHR* pSurfaceFormats)
 379 {
 380         VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
 381         struct wsi_wl_display *display =
 382                 wsi_wl_get_display(device, surface->display);
 383
 384         uint32_t count = radv_vector_length(&display->formats);
 385
 386         if (pSurfaceFormats == NULL) {
 387                 *pSurfaceFormatCount = count;
 388                 return VK_SUCCESS;
 389         }
 390
 391         assert(*pSurfaceFormatCount >= count);
 392         *pSurfaceFormatCount = count;
 393
 394         VkFormat *f;
 395         radv_vector_foreach(f, &display->formats) {
 396                 *(pSurfaceFormats++) = (VkSurfaceFormatKHR) {
 397                         .format = *f,
 398                         /* TODO: We should get this from the compositor somehow */
 399                         .colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR,
 400                 };
 401         }
 402
 403         return VK_SUCCESS;
 404 }
 405
 406 static VkResult
 407 wsi_wl_surface_get_present_modes(VkIcdSurfaceBase *surface,
 408                                  struct radv_physical_device *device,
 409                                  uint32_t* pPresentModeCount,
 410                                  VkPresentModeKHR* pPresentModes)
 411 {
 412         if (pPresentModes == NULL) {
 413                 *pPresentModeCount = ARRAY_SIZE(present_modes);
 414                 return VK_SUCCESS;
 415         }
 416
 417         assert(*pPresentModeCount >= ARRAY_SIZE(present_modes));
 418         typed_memcpy(pPresentModes, present_modes, *pPresentModeCount);
 419         *pPresentModeCount = ARRAY_SIZE(present_modes);
 420
 421         return VK_SUCCESS;
 422 }
 423
 424 static VkResult
 425 wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *surface,
 426                                 struct radv_device *device,
 427                                 const VkSwapchainCreateInfoKHR* pCreateInfo,
 428                                 const VkAllocationCallbacks* pAllocator,
 429                                 struct radv_swapchain **swapchain);
 430
 431 VkResult radv_CreateWaylandSurfaceKHR(
 432         VkInstance                                  _instance,
 433         const VkWaylandSurfaceCreateInfoKHR*        pCreateInfo,
 434         const VkAllocationCallbacks*                pAllocator,
 435         VkSurfaceKHR*                               pSurface)
 436 {
 437         RADV_FROM_HANDLE(radv_instance, instance, _instance);
 438
 439         assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR);
 440
 441         VkIcdSurfaceWayland *surface;
 442
 443         surface = radv_alloc2(&instance->alloc, pAllocator, sizeof *surface, 8,
 444                               VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 445         if (surface == NULL)
 446                 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 447
 448         surface->base.platform = VK_ICD_WSI_PLATFORM_WAYLAND;
 449         surface->display = pCreateInfo->display;
 450         surface->surface = pCreateInfo->surface;
 451
 452         *pSurface = _VkIcdSurfaceBase_to_handle(&surface->base);
 453
 454         return VK_SUCCESS;
 455 }
 456
 457 struct wsi_wl_image {
 458         struct radv_image *                           image;
 459         struct radv_device_memory *                   memory;
 460         struct wl_buffer *                           buffer;
 461         bool                                         busy;
 462 };
 463
 464 struct wsi_wl_swapchain {
 465         struct radv_swapchain                        base;
 466
 467         struct wsi_wl_display *                      display;
 468         struct wl_event_queue *                      queue;
 469         struct wl_surface *                          surface;
 470
 471         VkExtent2D                                   extent;
 472         VkFormat                                     vk_format;
 473         uint32_t                                     drm_format;
 474
 475         VkPresentModeKHR                             present_mode;
 476         bool                                         fifo_ready;
 477
 478         uint32_t                                     image_count;
 479         struct wsi_wl_image                          images[0];
 480 };
 481
 482 static VkResult
 483 wsi_wl_swapchain_get_images(struct radv_swapchain *radv_chain,
 484                             uint32_t *pCount, VkImage *pSwapchainImages)
 485 {
 486         struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)radv_chain;
 487
 488         if (pSwapchainImages == NULL) {
 489                 *pCount = chain->image_count;
 490                 return VK_SUCCESS;
 491         }
 492
 493         assert(chain->image_count <= *pCount);
 494         for (uint32_t i = 0; i < chain->image_count; i++)
 495                 pSwapchainImages[i] = radv_image_to_handle(chain->images[i].image);
 496
 497         *pCount = chain->image_count;
 498
 499         return VK_SUCCESS;
 500 }
 501
 502 static VkResult
 503 wsi_wl_swapchain_acquire_next_image(struct radv_swapchain *radv_chain,
 504                                     uint64_t timeout,
 505                                     VkSemaphore semaphore,
 506                                     uint32_t *image_index)
 507 {
 508         struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)radv_chain;
 509
 510         int ret = wl_display_dispatch_queue_pending(chain->display->display,
 511                                                     chain->queue);
 512         /* XXX: I'm not sure if out-of-date is the right error here.  If
 513          * wl_display_dispatch_queue_pending fails it most likely means we got
 514          * kicked by the server so this seems more-or-less correct.
 515          */
 516         if (ret < 0)
 517                 return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 518
 519         while (1) {
 520                 for (uint32_t i = 0; i < chain->image_count; i++) {
 521                         if (!chain->images[i].busy) {
 522                                 /* We found a non-busy image */
 523                                 *image_index = i;
 524                                 chain->images[i].busy = true;
 525                                 return VK_SUCCESS;
 526                         }
 527                 }
 528
 529                 /* This time we do a blocking dispatch because we can't go
 530                  * anywhere until we get an event.
 531                  */
 532                 int ret = wl_display_roundtrip_queue(chain->display->display,
 533                                                      chain->queue);
 534                 if (ret < 0)
 535                         return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 536         }
 537 }
 538
 539 static void
 540 frame_handle_done(void *data, struct wl_callback *callback, uint32_t serial)
 541 {
 542         struct wsi_wl_swapchain *chain = data;
 543
 544         chain->fifo_ready = true;
 545
 546         wl_callback_destroy(callback);
 547 }
 548
 549 static const struct wl_callback_listener frame_listener = {
 550         frame_handle_done,
 551 };
 552
 553 static VkResult
 554 wsi_wl_swapchain_queue_present(struct radv_swapchain *radv_chain,
 555                                struct radv_queue *queue,
 556                                uint32_t image_index)
 557 {
 558         struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)radv_chain;
 559
 560         if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
 561                 while (!chain->fifo_ready) {
 562                         int ret = wl_display_dispatch_queue(chain->display->display,
 563                                                             chain->queue);
 564                         if (ret < 0)
 565                                 return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 566                 }
 567         }
 568
 569         assert(image_index < chain->image_count);
 570         wl_surface_attach(chain->surface, chain->images[image_index].buffer, 0, 0);
 571         wl_surface_damage(chain->surface, 0, 0, INT32_MAX, INT32_MAX);
 572
 573         if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
 574                 struct wl_callback *frame = wl_surface_frame(chain->surface);
 575                 wl_proxy_set_queue((struct wl_proxy *)frame, chain->queue);
 576                 wl_callback_add_listener(frame, &frame_listener, chain);
 577                 chain->fifo_ready = false;
 578         }
 579
 580         chain->images[image_index].busy = true;
 581         wl_surface_commit(chain->surface);
 582         wl_display_flush(chain->display->display);
 583
 584         return VK_SUCCESS;
 585 }
 586
 587 static void
 588 wsi_wl_image_finish(struct wsi_wl_swapchain *chain, struct wsi_wl_image *image,
 589                     const VkAllocationCallbacks* pAllocator)
 590 {
 591         VkDevice vk_device = radv_device_to_handle(chain->base.device);
 592         radv_FreeMemory(vk_device, radv_device_memory_to_handle(image->memory),
 593                         pAllocator);
 594         radv_DestroyImage(vk_device, radv_image_to_handle(image->image),
 595                           pAllocator);
 596 }
 597
 598 static void
 599 buffer_handle_release(void *data, struct wl_buffer *buffer)
 600 {
 601         struct wsi_wl_image *image = data;
 602
 603         assert(image->buffer == buffer);
 604
 605         image->busy = false;
 606 }
 607
 608 static const struct wl_buffer_listener buffer_listener = {
 609         buffer_handle_release,
 610 };
 611
 612 static VkResult
 613 wsi_wl_image_init(struct wsi_wl_swapchain *chain,
 614                   struct wsi_wl_image *image,
 615                   const VkSwapchainCreateInfoKHR *pCreateInfo,
 616                   const VkAllocationCallbacks* pAllocator)
 617 {
 618         VkDevice vk_device = radv_device_to_handle(chain->base.device);
 619         VkResult result;
 620         bool bret;
 621         VkImage vk_image;
 622         struct radeon_surf *surface;
 623         int fd;
 624         result = radv_image_create(vk_device,
 625                                    &(struct radv_image_create_info) {
 626                                            .vk_info =
 627                                                    &(VkImageCreateInfo) {
 628                                                    .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
 629                                                    .imageType = VK_IMAGE_TYPE_2D,
 630                                                    .format = chain->vk_format,
 631                                                    .extent = {
 632                                                            .width = chain->extent.width,
 633                                                            .height = chain->extent.height,
 634                                                            .depth = 1
 635                                                    },
 636                                                    .mipLevels = 1,
 637                                                    .arrayLayers = 1,
 638                                                    .samples = 1,
 639                                                    /* FIXME: Need a way to use X tiling to allow scanout */
 640                                                    .tiling = VK_IMAGE_TILING_OPTIMAL,
 641                                                    .usage = (VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
 642                                                              pCreateInfo->imageUsage),
 643                                                    .flags = 0,
 644                                            },
 645                                                    .scanout = true},
 646                                    pAllocator,
 647                                    &vk_image);
 648
 649         if (result != VK_SUCCESS)
 650                 return result;
 651
 652         image->image = radv_image_from_handle(vk_image);
 653         assert(vk_format_is_color(image->image->vk_format));
 654
 655         VkDeviceMemory vk_memory;
 656         result = radv_AllocateMemory(vk_device,
 657                                      &(VkMemoryAllocateInfo) {
 658                                              .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
 659                                                      .allocationSize = image->image->size,
 660                                                      .memoryTypeIndex = 0,
 661                                                      },
 662                                      pAllocator,
 663                                      &vk_memory);
 664
 665         if (result != VK_SUCCESS)
 666                 goto fail_image;
 667
 668         image->memory = radv_device_memory_from_handle(vk_memory);
 669
 670         result = radv_BindImageMemory(vk_device, vk_image, vk_memory, 0);
 671
 672         if (result != VK_SUCCESS)
 673                 goto fail_mem;
 674
 675         bret = chain->base.device->ws->buffer_get_fd(chain->base.device->ws,
 676                                                      image->memory->bo, &fd);
 677         if (bret == false)
 678                 goto fail_mem;
 679
 680         {
 681                 struct radeon_bo_metadata metadata;
 682                 radv_init_metadata(chain->base.device, image->image, &metadata);
 683                 chain->base.device->ws->buffer_set_metadata(image->memory->bo, &metadata);
 684         }
 685         surface = &image->image->surface;
 686
 687         image->buffer = wl_drm_create_prime_buffer(chain->display->drm,
 688                                                    fd, /* name */
 689                                                    chain->extent.width,
 690                                                    chain->extent.height,
 691                                                    chain->drm_format,
 692                                                    surface->level[0].offset,
 693                                                    surface->level[0].pitch_bytes,
 694                                                    0, 0, 0, 0 /* unused */);
 695         wl_display_roundtrip(chain->display->display);
 696         close(fd);
 697
 698         wl_proxy_set_queue((struct wl_proxy *)image->buffer, chain->queue);
 699         wl_buffer_add_listener(image->buffer, &buffer_listener, image);
 700
 701         return VK_SUCCESS;
 702
 703 fail_mem:
 704         radv_FreeMemory(vk_device, vk_memory, pAllocator);
 705 fail_image:
 706         radv_DestroyImage(vk_device, vk_image, pAllocator);
 707
 708         return result;
 709 }
 710
 711 static VkResult
 712 wsi_wl_swapchain_destroy(struct radv_swapchain *radv_chain,
 713                          const VkAllocationCallbacks *pAllocator)
 714 {
 715         struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)radv_chain;
 716
 717         for (uint32_t i = 0; i < chain->image_count; i++) {
 718                 if (chain->images[i].buffer)
 719                         wsi_wl_image_finish(chain, &chain->images[i], pAllocator);
 720         }
 721
 722         radv_free2(&chain->base.device->alloc, pAllocator, chain);
 723
 724         return VK_SUCCESS;
 725 }
 726
 727 static VkResult
 728 wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
 729                                 struct radv_device *device,
 730                                 const VkSwapchainCreateInfoKHR* pCreateInfo,
 731                                 const VkAllocationCallbacks* pAllocator,
 732                                 struct radv_swapchain **swapchain_out)
 733 {
 734         VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
 735         struct wsi_wl_swapchain *chain;
 736         VkResult result;
 737
 738         assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
 739
 740         int num_images = pCreateInfo->minImageCount;
 741
 742         assert(num_images >= MIN_NUM_IMAGES);
 743
 744         /* For true mailbox mode, we need at least 4 images:
 745          *  1) One to scan out from
 746          *  2) One to have queued for scan-out
 747          *  3) One to be currently held by the Wayland compositor
 748          *  4) One to render to
 749          */
 750         if (pCreateInfo->presentMode == VK_PRESENT_MODE_MAILBOX_KHR)
 751                 num_images = MAX2(num_images, 4);
 752
 753         size_t size = sizeof(*chain) + num_images * sizeof(chain->images[0]);
 754         chain = radv_alloc2(&device->alloc, pAllocator, size, 8,
 755                             VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 756         if (chain == NULL)
 757                 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 758
 759         chain->base.device = device;
 760         chain->base.destroy = wsi_wl_swapchain_destroy;
 761         chain->base.get_images = wsi_wl_swapchain_get_images;
 762         chain->base.acquire_next_image = wsi_wl_swapchain_acquire_next_image;
 763         chain->base.queue_present = wsi_wl_swapchain_queue_present;
 764
 765         chain->surface = surface->surface;
 766         chain->extent = pCreateInfo->imageExtent;
 767         chain->vk_format = pCreateInfo->imageFormat;
 768         chain->drm_format = wl_drm_format_for_vk_format(chain->vk_format, false);
 769
 770         chain->present_mode = pCreateInfo->presentMode;
 771         chain->fifo_ready = true;
 772
 773         chain->image_count = num_images;
 774
 775         /* Mark a bunch of stuff as NULL.  This way we can just call
 776          * destroy_swapchain for cleanup.
 777          */
 778         for (uint32_t i = 0; i < chain->image_count; i++)
 779                 chain->images[i].buffer = NULL;
 780         chain->queue = NULL;
 781
 782         chain->display = wsi_wl_get_display(&device->instance->physicalDevice,
 783                                             surface->display);
 784         if (!chain->display) {
 785                 result = vk_error(VK_ERROR_INITIALIZATION_FAILED);
 786                 goto fail;
 787         }
 788
 789         chain->queue = wl_display_create_queue(chain->display->display);
 790         if (!chain->queue) {
 791                 result = vk_error(VK_ERROR_INITIALIZATION_FAILED);
 792                 goto fail;
 793         }
 794
 795         for (uint32_t i = 0; i < chain->image_count; i++) {
 796                 result = wsi_wl_image_init(chain, &chain->images[i],
 797                                            pCreateInfo, pAllocator);
 798                 if (result != VK_SUCCESS)
 799                         goto fail;
 800                 chain->images[i].busy = false;
 801         }
 802
 803         *swapchain_out = &chain->base;
 804
 805         return VK_SUCCESS;
 806
 807 fail:
 808         wsi_wl_swapchain_destroy(&chain->base, pAllocator);
 809
 810         return result;
 811 }
 812
 813 VkResult
 814 radv_wl_init_wsi(struct radv_physical_device *device)
 815 {
 816         struct wsi_wayland *wsi;
 817         VkResult result;
 818
 819         wsi = radv_alloc(&device->instance->alloc, sizeof(*wsi), 8,
 820                          VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
 821         if (!wsi) {
 822                 result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 823                 goto fail;
 824         }
 825
 826         wsi->physical_device = device;
 827
 828         int ret = pthread_mutex_init(&wsi->mutex, NULL);
 829         if (ret != 0) {
 830                 if (ret == ENOMEM) {
 831                         result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 832                 } else {
 833                         /* FINISHME: Choose a better error. */
 834                         result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 835                 }
 836
 837                 goto fail_alloc;
 838         }
 839
 840         wsi->displays = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
 841                                                 _mesa_key_pointer_equal);
 842         if (!wsi->displays) {
 843                 result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 844                 goto fail_mutex;
 845         }
 846
 847         wsi->base.get_support = wsi_wl_surface_get_support;
 848         wsi->base.get_capabilities = wsi_wl_surface_get_capabilities;
 849         wsi->base.get_formats = wsi_wl_surface_get_formats;
 850         wsi->base.get_present_modes = wsi_wl_surface_get_present_modes;
 851         wsi->base.create_swapchain = wsi_wl_surface_create_swapchain;
 852
 853         device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = &wsi->base;
 854
 855         return VK_SUCCESS;
 856
 857 fail_mutex:
 858         pthread_mutex_destroy(&wsi->mutex);
 859
 860 fail_alloc:
 861         radv_free(&device->instance->alloc, wsi);
 862 fail:
 863         device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = NULL;
 864
 865         return result;
 866 }
 867
 868 void
 869 radv_wl_finish_wsi(struct radv_physical_device *device)
 870 {
 871         struct wsi_wayland *wsi =
 872                 (struct wsi_wayland *)device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
 873
 874         if (wsi) {
 875                 _mesa_hash_table_destroy(wsi->displays, NULL);
 876
 877                 pthread_mutex_destroy(&wsi->mutex);
 878
 879                 radv_free(&device->instance->alloc, wsi);
 880         }
 881 }