src/vulkan/anv_wsi_wayland.c

   1 /*
   2  * Copyright © 2015 Intel Corporation
   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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <wayland-client.h>
  25 #include <wayland-drm-client-protocol.h>
  26
  27 #include "anv_wsi.h"
  28
  29 #include <util/hash_table.h>
  30
  31 #define MIN_NUM_IMAGES 2
  32
  33 struct wsi_wl_surface {
  34    struct anv_wsi_surface base;
  35
  36    struct wl_display *display;
  37    struct wl_surface *surface;
  38 };
  39
  40 struct wsi_wl_display {
  41    struct wl_display *                          display;
  42    struct wl_drm *                              drm;
  43
  44    /* Vector of VkFormats supported */
  45    struct anv_vector                            formats;
  46
  47    uint32_t                                     capabilities;
  48 };
  49
  50 struct wsi_wayland {
  51    struct anv_instance *                        instance;
  52
  53    pthread_mutex_t                              mutex;
  54    /* Hash table of wl_display -> wsi_wl_display mappings */
  55    struct hash_table *                          displays;
  56 };
  57
  58 static void
  59 wsi_wl_display_add_vk_format(struct wsi_wl_display *display, VkFormat format)
  60 {
  61    /* Don't add a format that's already in the list */
  62    VkFormat *f;
  63    anv_vector_foreach(f, &display->formats)
  64       if (*f == format)
  65          return;
  66
  67    /* Don't add formats which aren't supported by the driver */
  68    if (anv_format_for_vk_format(format)->surface_format ==
  69        ISL_FORMAT_UNSUPPORTED) {
  70       return;
  71    }
  72
  73    f = anv_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_UNORM:
 112       return WL_DRM_FORMAT_BGRX8888;
 113    case VK_FORMAT_B8G8R8A8_UNORM:
 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_UNORM);
 168       /* fallthrough */
 169    case WL_DRM_FORMAT_ARGB8888:
 170       wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8A8_UNORM);
 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    anv_vector_finish(&display->formats);
 232    if (display->drm)
 233       wl_drm_destroy(display->drm);
 234    anv_free(&wsi->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       anv_alloc(&wsi->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
 250    if (!anv_vector_init(&display->formats, sizeof(VkFormat), 8))
 251       goto fail;
 252
 253    struct wl_registry *registry = wl_display_get_registry(wl_display);
 254    if (!registry)
 255       return NULL;
 256
 257    wl_registry_add_listener(registry, &registry_listener, display);
 258
 259    /* Round-rip to get the wl_drm global */
 260    wl_display_roundtrip(wl_display);
 261
 262    if (!display->drm)
 263       goto fail;
 264
 265    /* Round-rip to get wl_drm formats and capabilities */
 266    wl_display_roundtrip(wl_display);
 267
 268    /* We need prime support */
 269    if (!(display->capabilities & WL_DRM_CAPABILITY_PRIME))
 270       goto fail;
 271
 272    /* We don't need this anymore */
 273    wl_registry_destroy(registry);
 274
 275    return display;
 276
 277 fail:
 278    if (registry)
 279       wl_registry_destroy(registry);
 280
 281    wsi_wl_display_destroy(wsi, display);
 282    return NULL;
 283 }
 284
 285 static struct wsi_wl_display *
 286 wsi_wl_get_display(struct anv_instance *instance, struct wl_display *wl_display)
 287 {
 288    struct wsi_wayland *wsi = instance->wayland_wsi;
 289
 290    pthread_mutex_lock(&wsi->mutex);
 291
 292    struct hash_entry *entry = _mesa_hash_table_search(wsi->displays,
 293                                                       wl_display);
 294    if (!entry) {
 295       /* We're about to make a bunch of blocking calls.  Let's drop the
 296        * mutex for now so we don't block up too badly.
 297        */
 298       pthread_mutex_unlock(&wsi->mutex);
 299
 300       struct wsi_wl_display *display = wsi_wl_display_create(wsi, wl_display);
 301
 302       pthread_mutex_lock(&wsi->mutex);
 303
 304       entry = _mesa_hash_table_search(wsi->displays, wl_display);
 305       if (entry) {
 306          /* Oops, someone raced us to it */
 307          wsi_wl_display_destroy(wsi, display);
 308       } else {
 309          entry = _mesa_hash_table_insert(wsi->displays, wl_display, display);
 310       }
 311    }
 312
 313    pthread_mutex_unlock(&wsi->mutex);
 314
 315    return entry->data;
 316 }
 317
 318 VkBool32 anv_GetPhysicalDeviceWaylandPresentationSupportKHR(
 319     VkPhysicalDevice                            physicalDevice,
 320     uint32_t                                    queueFamilyIndex,
 321     struct wl_display*                          display)
 322 {
 323    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 324
 325    return wsi_wl_get_display(physical_device->instance, display) != NULL;
 326 }
 327
 328 static VkResult
 329 wsi_wl_surface_get_support(struct anv_wsi_surface *surface,
 330                            struct anv_physical_device *device,
 331                            uint32_t queueFamilyIndex,
 332                            VkBool32* pSupported)
 333 {
 334    *pSupported = true;
 335
 336    return VK_SUCCESS;
 337 }
 338
 339 static const VkPresentModeKHR present_modes[] = {
 340    VK_PRESENT_MODE_MAILBOX_KHR,
 341    VK_PRESENT_MODE_FIFO_KHR,
 342 };
 343
 344 static VkResult
 345 wsi_wl_surface_get_capabilities(struct anv_wsi_surface *surface,
 346                                 struct anv_physical_device *device,
 347                                 VkSurfaceCapabilitiesKHR* caps)
 348 {
 349    caps->minImageCount = MIN_NUM_IMAGES;
 350    caps->maxImageCount = 4;
 351    caps->currentExtent = (VkExtent2D) { -1, -1 };
 352    caps->minImageExtent = (VkExtent2D) { 1, 1 };
 353    caps->maxImageExtent = (VkExtent2D) { INT16_MAX, INT16_MAX };
 354    caps->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
 355    caps->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
 356    caps->maxImageArrayLayers = 1;
 357
 358    caps->supportedCompositeAlpha =
 359       VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR |
 360       VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
 361
 362    caps->supportedUsageFlags =
 363       VK_IMAGE_USAGE_TRANSFER_DST_BIT |
 364       VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 365
 366    return VK_SUCCESS;
 367 }
 368
 369 static VkResult
 370 wsi_wl_surface_get_formats(struct anv_wsi_surface *wsi_surface,
 371                            struct anv_physical_device *device,
 372                            uint32_t* pSurfaceFormatCount,
 373                            VkSurfaceFormatKHR* pSurfaceFormats)
 374 {
 375    struct wsi_wl_surface *surface = (struct wsi_wl_surface *)wsi_surface;
 376    struct wsi_wl_display *display =
 377       wsi_wl_get_display(device->instance, surface->display);
 378
 379    uint32_t count = anv_vector_length(&display->formats);
 380
 381    if (pSurfaceFormats == NULL) {
 382       *pSurfaceFormatCount = count;
 383       return VK_SUCCESS;
 384    }
 385
 386    assert(*pSurfaceFormatCount >= count);
 387    *pSurfaceFormatCount = count;
 388
 389    VkFormat *f;
 390    anv_vector_foreach(f, &display->formats) {
 391       *(pSurfaceFormats++) = (VkSurfaceFormatKHR) {
 392          .format = *f,
 393          /* TODO: We should get this from the compositor somehow */
 394          .colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR,
 395       };
 396    }
 397
 398    return VK_SUCCESS;
 399 }
 400
 401 static VkResult
 402 wsi_wl_surface_get_present_modes(struct anv_wsi_surface *surface,
 403                                  struct anv_physical_device *device,
 404                                  uint32_t* pPresentModeCount,
 405                                  VkPresentModeKHR* pPresentModes)
 406 {
 407    if (pPresentModes == NULL) {
 408       *pPresentModeCount = ARRAY_SIZE(present_modes);
 409       return VK_SUCCESS;
 410    }
 411
 412    assert(*pPresentModeCount >= ARRAY_SIZE(present_modes));
 413    typed_memcpy(pPresentModes, present_modes, *pPresentModeCount);
 414    *pPresentModeCount = ARRAY_SIZE(present_modes);
 415
 416    return VK_SUCCESS;
 417 }
 418
 419 static void
 420 wsi_wl_surface_destroy(struct anv_wsi_surface *surface,
 421                        const VkAllocationCallbacks *pAllocator)
 422 {
 423    anv_free2(&surface->instance->alloc, pAllocator, surface);
 424 }
 425
 426 static VkResult
 427 wsi_wl_surface_create_swapchain(struct anv_wsi_surface *surface,
 428                                 struct anv_device *device,
 429                                 const VkSwapchainCreateInfoKHR* pCreateInfo,
 430                                 const VkAllocationCallbacks* pAllocator,
 431                                 struct anv_swapchain **swapchain);
 432
 433 VkResult anv_CreateWaylandSurfaceKHR(
 434     VkInstance                                  _instance,
 435     const VkWaylandSurfaceCreateInfoKHR*        pCreateInfo,
 436     const VkAllocationCallbacks*                pAllocator,
 437     VkSurfaceKHR*                               pSurface)
 438 {
 439    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR);
 440
 441    ANV_FROM_HANDLE(anv_instance, instance, _instance);
 442    struct wsi_wl_surface *surface;
 443
 444    surface = anv_alloc2(&instance->alloc, pAllocator, sizeof *surface, 8,
 445                         VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 446    if (surface == NULL)
 447       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 448
 449    surface->display = pCreateInfo->display;
 450    surface->surface = pCreateInfo->surface;
 451
 452    surface->base.instance = instance;
 453    surface->base.destroy = wsi_wl_surface_destroy;
 454    surface->base.get_support = wsi_wl_surface_get_support;
 455    surface->base.get_capabilities = wsi_wl_surface_get_capabilities;
 456    surface->base.get_formats = wsi_wl_surface_get_formats;
 457    surface->base.get_present_modes = wsi_wl_surface_get_present_modes;
 458    surface->base.create_swapchain = wsi_wl_surface_create_swapchain;
 459
 460    *pSurface = anv_wsi_surface_to_handle(&surface->base);
 461
 462    return VK_SUCCESS;
 463 }
 464
 465 struct wsi_wl_image {
 466    struct anv_image *                           image;
 467    struct anv_device_memory *                   memory;
 468    struct wl_buffer *                           buffer;
 469    bool                                         busy;
 470 };
 471
 472 struct wsi_wl_swapchain {
 473    struct anv_swapchain                        base;
 474
 475    struct wsi_wl_display *                      display;
 476    struct wl_event_queue *                      queue;
 477    struct wl_surface *                          surface;
 478
 479    VkExtent2D                                   extent;
 480    VkFormat                                     vk_format;
 481    uint32_t                                     drm_format;
 482
 483    VkPresentModeKHR                             present_mode;
 484    bool                                         fifo_ready;
 485
 486    uint32_t                                     image_count;
 487    struct wsi_wl_image                          images[0];
 488 };
 489
 490 static VkResult
 491 wsi_wl_swapchain_get_images(struct anv_swapchain *anv_chain,
 492                             uint32_t *pCount, VkImage *pSwapchainImages)
 493 {
 494    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 495
 496    if (pSwapchainImages == NULL) {
 497       *pCount = chain->image_count;
 498       return VK_SUCCESS;
 499    }
 500
 501    assert(chain->image_count <= *pCount);
 502    for (uint32_t i = 0; i < chain->image_count; i++)
 503       pSwapchainImages[i] = anv_image_to_handle(chain->images[i].image);
 504
 505    *pCount = chain->image_count;
 506
 507    return VK_SUCCESS;
 508 }
 509
 510 static VkResult
 511 wsi_wl_swapchain_acquire_next_image(struct anv_swapchain *anv_chain,
 512                                     uint64_t timeout,
 513                                     VkSemaphore semaphore,
 514                                     uint32_t *image_index)
 515 {
 516    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 517
 518    int ret = wl_display_dispatch_queue_pending(chain->display->display,
 519                                                chain->queue);
 520    /* XXX: I'm not sure if out-of-date is the right error here.  If
 521     * wl_display_dispatch_queue_pending fails it most likely means we got
 522     * kicked by the server so this seems more-or-less correct.
 523     */
 524    if (ret < 0)
 525       return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 526
 527    while (1) {
 528       for (uint32_t i = 0; i < chain->image_count; i++) {
 529          if (!chain->images[i].busy) {
 530             /* We found a non-busy image */
 531             *image_index = i;
 532             return VK_SUCCESS;
 533          }
 534       }
 535
 536       /* This time we do a blocking dispatch because we can't go
 537        * anywhere until we get an event.
 538        */
 539       int ret = wl_display_roundtrip_queue(chain->display->display,
 540                                            chain->queue);
 541       if (ret < 0)
 542          return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 543    }
 544 }
 545
 546 static void
 547 frame_handle_done(void *data, struct wl_callback *callback, uint32_t serial)
 548 {
 549    struct wsi_wl_swapchain *chain = data;
 550
 551    chain->fifo_ready = true;
 552
 553    wl_callback_destroy(callback);
 554 }
 555
 556 static const struct wl_callback_listener frame_listener = {
 557    frame_handle_done,
 558 };
 559
 560 static VkResult
 561 wsi_wl_swapchain_queue_present(struct anv_swapchain *anv_chain,
 562                                struct anv_queue *queue,
 563                                uint32_t image_index)
 564 {
 565    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 566
 567    if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
 568       while (!chain->fifo_ready) {
 569          int ret = wl_display_dispatch_queue(chain->display->display,
 570                                              chain->queue);
 571          if (ret < 0)
 572             return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 573       }
 574    }
 575
 576    assert(image_index < chain->image_count);
 577    wl_surface_attach(chain->surface, chain->images[image_index].buffer, 0, 0);
 578    wl_surface_damage(chain->surface, 0, 0, INT32_MAX, INT32_MAX);
 579
 580    if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
 581       struct wl_callback *frame = wl_surface_frame(chain->surface);
 582       wl_proxy_set_queue((struct wl_proxy *)frame, chain->queue);
 583       wl_callback_add_listener(frame, &frame_listener, chain);
 584       chain->fifo_ready = false;
 585    }
 586
 587    wl_surface_commit(chain->surface);
 588    wl_display_flush(chain->display->display);
 589
 590    return VK_SUCCESS;
 591 }
 592
 593 static void
 594 wsi_wl_image_finish(struct wsi_wl_swapchain *chain, struct wsi_wl_image *image,
 595                     const VkAllocationCallbacks* pAllocator)
 596 {
 597    VkDevice vk_device = anv_device_to_handle(chain->base.device);
 598    anv_FreeMemory(vk_device, anv_device_memory_to_handle(image->memory),
 599                   pAllocator);
 600    anv_DestroyImage(vk_device, anv_image_to_handle(image->image),
 601                     pAllocator);
 602 }
 603
 604 static void
 605 buffer_handle_release(void *data, struct wl_buffer *buffer)
 606 {
 607    struct wsi_wl_image *image = data;
 608
 609    assert(image->buffer == buffer);
 610
 611    image->busy = false;
 612 }
 613
 614 static const struct wl_buffer_listener buffer_listener = {
 615    buffer_handle_release,
 616 };
 617
 618 static VkResult
 619 wsi_wl_image_init(struct wsi_wl_swapchain *chain, struct wsi_wl_image *image,
 620                   const VkAllocationCallbacks* pAllocator)
 621 {
 622    VkDevice vk_device = anv_device_to_handle(chain->base.device);
 623    VkResult result;
 624
 625    VkImage vk_image;
 626    result = anv_image_create(vk_device,
 627       &(struct anv_image_create_info) {
 628          .isl_tiling_flags = ISL_TILING_X_BIT,
 629          .stride = 0,
 630          .vk_info =
 631       &(VkImageCreateInfo) {
 632          .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
 633          .imageType = VK_IMAGE_TYPE_2D,
 634          .format = chain->vk_format,
 635          .extent = {
 636             .width = chain->extent.width,
 637             .height = chain->extent.height,
 638             .depth = 1
 639          },
 640          .mipLevels = 1,
 641          .arrayLayers = 1,
 642          .samples = 1,
 643          /* FIXME: Need a way to use X tiling to allow scanout */
 644          .tiling = VK_IMAGE_TILING_OPTIMAL,
 645          .usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
 646          .flags = 0,
 647       }},
 648       pAllocator,
 649       &vk_image);
 650
 651    if (result != VK_SUCCESS)
 652       return result;
 653
 654    image->image = anv_image_from_handle(vk_image);
 655    assert(anv_format_is_color(image->image->format));
 656
 657    struct anv_surface *surface = &image->image->color_surface;
 658
 659    VkDeviceMemory vk_memory;
 660    result = anv_AllocateMemory(vk_device,
 661       &(VkMemoryAllocateInfo) {
 662          .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
 663          .allocationSize = image->image->size,
 664          .memoryTypeIndex = 0,
 665       },
 666       pAllocator,
 667       &vk_memory);
 668
 669    if (result != VK_SUCCESS)
 670       goto fail_image;
 671
 672    image->memory = anv_device_memory_from_handle(vk_memory);
 673
 674    result = anv_BindImageMemory(vk_device, vk_image, vk_memory, 0);
 675
 676    if (result != VK_SUCCESS)
 677       goto fail_mem;
 678
 679    int ret = anv_gem_set_tiling(chain->base.device,
 680                                 image->memory->bo.gem_handle,
 681                                 surface->isl.row_pitch, I915_TILING_X);
 682    if (ret) {
 683       /* FINISHME: Choose a better error. */
 684       result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
 685       goto fail_mem;
 686    }
 687
 688    int fd = anv_gem_handle_to_fd(chain->base.device,
 689                                  image->memory->bo.gem_handle);
 690    if (fd == -1) {
 691       /* FINISHME: Choose a better error. */
 692       result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
 693       goto fail_mem;
 694    }
 695
 696    image->buffer = wl_drm_create_prime_buffer(chain->display->drm,
 697                                               fd, /* name */
 698                                               chain->extent.width,
 699                                               chain->extent.height,
 700                                               chain->drm_format,
 701                                               surface->offset,
 702                                               surface->isl.row_pitch,
 703                                               0, 0, 0, 0 /* unused */);
 704    wl_display_roundtrip(chain->display->display);
 705    close(fd);
 706
 707    wl_proxy_set_queue((struct wl_proxy *)image->buffer, chain->queue);
 708    wl_buffer_add_listener(image->buffer, &buffer_listener, image);
 709
 710    return VK_SUCCESS;
 711
 712 fail_mem:
 713    anv_FreeMemory(vk_device, vk_memory, pAllocator);
 714 fail_image:
 715    anv_DestroyImage(vk_device, vk_image, pAllocator);
 716
 717    return result;
 718 }
 719
 720 static VkResult
 721 wsi_wl_swapchain_destroy(struct anv_swapchain *anv_chain,
 722                          const VkAllocationCallbacks *pAllocator)
 723 {
 724    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 725
 726    for (uint32_t i = 0; i < chain->image_count; i++) {
 727       if (chain->images[i].buffer)
 728          wsi_wl_image_finish(chain, &chain->images[i], pAllocator);
 729    }
 730
 731    anv_free2(&chain->base.device->alloc, pAllocator, chain);
 732
 733    return VK_SUCCESS;
 734 }
 735
 736 static VkResult
 737 wsi_wl_surface_create_swapchain(struct anv_wsi_surface *wsi_surface,
 738                                 struct anv_device *device,
 739                                 const VkSwapchainCreateInfoKHR* pCreateInfo,
 740                                 const VkAllocationCallbacks* pAllocator,
 741                                 struct anv_swapchain **swapchain_out)
 742 {
 743    struct wsi_wl_surface *surface = (struct wsi_wl_surface *)wsi_surface;
 744    struct wsi_wl_swapchain *chain;
 745    VkResult result;
 746
 747    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
 748
 749    int num_images = pCreateInfo->minImageCount;
 750
 751    assert(num_images >= MIN_NUM_IMAGES);
 752
 753    /* For true mailbox mode, we need at least 4 images:
 754     *  1) One to scan out from
 755     *  2) One to have queued for scan-out
 756     *  3) One to be currently held by the Wayland compositor
 757     *  4) One to render to
 758     */
 759    if (pCreateInfo->presentMode == VK_PRESENT_MODE_MAILBOX_KHR)
 760       num_images = MAX2(num_images, 4);
 761
 762    size_t size = sizeof(*chain) + num_images * sizeof(chain->images[0]);
 763    chain = anv_alloc2(&device->alloc, pAllocator, size, 8,
 764                       VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 765    if (chain == NULL)
 766       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 767
 768    chain->base.device = device;
 769    chain->base.destroy = wsi_wl_swapchain_destroy;
 770    chain->base.get_images = wsi_wl_swapchain_get_images;
 771    chain->base.acquire_next_image = wsi_wl_swapchain_acquire_next_image;
 772    chain->base.queue_present = wsi_wl_swapchain_queue_present;
 773
 774    chain->surface = surface->surface;
 775    chain->extent = pCreateInfo->imageExtent;
 776    chain->vk_format = pCreateInfo->imageFormat;
 777    chain->drm_format = wl_drm_format_for_vk_format(chain->vk_format, false);
 778
 779    chain->present_mode = pCreateInfo->presentMode;
 780    chain->fifo_ready = true;
 781
 782    chain->image_count = num_images;
 783
 784    /* Mark a bunch of stuff as NULL.  This way we can just call
 785     * destroy_swapchain for cleanup.
 786     */
 787    for (uint32_t i = 0; i < chain->image_count; i++)
 788       chain->images[i].buffer = NULL;
 789    chain->queue = NULL;
 790
 791    chain->display = wsi_wl_get_display(device->instance, surface->display);
 792    if (!chain->display)
 793       goto fail;
 794
 795    chain->queue = wl_display_create_queue(chain->display->display);
 796    if (!chain->queue)
 797       goto fail;
 798
 799    for (uint32_t i = 0; i < chain->image_count; i++) {
 800       result = wsi_wl_image_init(chain, &chain->images[i], pAllocator);
 801       if (result != VK_SUCCESS)
 802          goto fail;
 803       chain->images[i].busy = false;
 804    }
 805
 806    *swapchain_out = &chain->base;
 807
 808    return VK_SUCCESS;
 809
 810 fail:
 811    wsi_wl_swapchain_destroy(&chain->base, pAllocator);
 812
 813    return result;
 814 }
 815
 816 VkResult
 817 anv_wl_init_wsi(struct anv_instance *instance)
 818 {
 819    struct wsi_wayland *wsi;
 820    VkResult result;
 821
 822    wsi = anv_alloc(&instance->alloc, sizeof(*wsi), 8,
 823                    VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
 824    if (!wsi) {
 825       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 826       goto fail;
 827    }
 828
 829    wsi->instance = instance;
 830
 831    int ret = pthread_mutex_init(&wsi->mutex, NULL);
 832    if (ret != 0) {
 833       if (ret == ENOMEM) {
 834          result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 835       } else {
 836          /* FINISHME: Choose a better error. */
 837          result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 838       }
 839
 840       goto fail_alloc;
 841    }
 842
 843    wsi->displays = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
 844                                            _mesa_key_pointer_equal);
 845    if (!wsi->displays) {
 846       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 847       goto fail_mutex;
 848    }
 849
 850    instance->wayland_wsi = wsi;
 851
 852    return VK_SUCCESS;
 853
 854 fail_mutex:
 855    pthread_mutex_destroy(&wsi->mutex);
 856
 857 fail_alloc:
 858    anv_free(&instance->alloc, wsi);
 859 fail:
 860    instance->wayland_wsi = NULL;
 861
 862    return result;
 863 }
 864
 865 void
 866 anv_wl_finish_wsi(struct anv_instance *instance)
 867 {
 868    struct wsi_wayland *wsi = instance->wayland_wsi;
 869
 870    if (wsi) {
 871       _mesa_hash_table_destroy(wsi->displays, NULL);
 872
 873       pthread_mutex_destroy(&wsi->mutex);
 874
 875       anv_free(&instance->alloc, wsi);
 876    }
 877 }