src/intel/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 "vk_format_info.h"
  30 #include <util/hash_table.h>
  31
  32 #define MIN_NUM_IMAGES 2
  33
  34 struct wsi_wl_display {
  35    struct anv_physical_device                  *physical_device;
  36    struct wl_display *                          display;
  37    struct wl_drm *                              drm;
  38
  39    /* Vector of VkFormats supported */
  40    struct u_vector                            formats;
  41
  42    uint32_t                                     capabilities;
  43 };
  44
  45 struct wsi_wayland {
  46    struct anv_wsi_interface                     base;
  47
  48    struct anv_physical_device *                 physical_device;
  49
  50    pthread_mutex_t                              mutex;
  51    /* Hash table of wl_display -> wsi_wl_display mappings */
  52    struct hash_table *                          displays;
  53 };
  54
  55 static void
  56 wsi_wl_display_add_vk_format(struct wsi_wl_display *display, VkFormat format)
  57 {
  58    /* Don't add a format that's already in the list */
  59    VkFormat *f;
  60    u_vector_foreach(f, &display->formats)
  61       if (*f == format)
  62          return;
  63
  64    /* Don't add formats that aren't renderable. */
  65    VkFormatProperties props;
  66    anv_GetPhysicalDeviceFormatProperties(
  67       anv_physical_device_to_handle(display->physical_device), format, &props);
  68    if (!(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
  69       return;
  70
  71    f = u_vector_add(&display->formats);
  72    if (f)
  73       *f = format;
  74 }
  75
  76 static void
  77 drm_handle_device(void *data, struct wl_drm *drm, const char *name)
  78 {
  79    fprintf(stderr, "wl_drm.device(%s)\n", name);
  80 }
  81
  82 static uint32_t
  83 wl_drm_format_for_vk_format(VkFormat vk_format, bool alpha)
  84 {
  85    switch (vk_format) {
  86    /* TODO: Figure out what all the formats mean and make this table
  87     * correct.
  88     */
  89 #if 0
  90    case VK_FORMAT_R4G4B4A4_UNORM:
  91       return alpha ? WL_DRM_FORMAT_ABGR4444 : WL_DRM_FORMAT_XBGR4444;
  92    case VK_FORMAT_R5G6B5_UNORM:
  93       return WL_DRM_FORMAT_BGR565;
  94    case VK_FORMAT_R5G5B5A1_UNORM:
  95       return alpha ? WL_DRM_FORMAT_ABGR1555 : WL_DRM_FORMAT_XBGR1555;
  96    case VK_FORMAT_R8G8B8_UNORM:
  97       return WL_DRM_FORMAT_XBGR8888;
  98    case VK_FORMAT_R8G8B8A8_UNORM:
  99       return alpha ? WL_DRM_FORMAT_ABGR8888 : WL_DRM_FORMAT_XBGR8888;
 100    case VK_FORMAT_R10G10B10A2_UNORM:
 101       return alpha ? WL_DRM_FORMAT_ABGR2101010 : WL_DRM_FORMAT_XBGR2101010;
 102    case VK_FORMAT_B4G4R4A4_UNORM:
 103       return alpha ? WL_DRM_FORMAT_ARGB4444 : WL_DRM_FORMAT_XRGB4444;
 104    case VK_FORMAT_B5G6R5_UNORM:
 105       return WL_DRM_FORMAT_RGB565;
 106    case VK_FORMAT_B5G5R5A1_UNORM:
 107       return alpha ? WL_DRM_FORMAT_XRGB1555 : WL_DRM_FORMAT_XRGB1555;
 108 #endif
 109    case VK_FORMAT_B8G8R8_UNORM:
 110    case VK_FORMAT_B8G8R8_SRGB:
 111       return WL_DRM_FORMAT_BGRX8888;
 112    case VK_FORMAT_B8G8R8A8_UNORM:
 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       wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8_UNORM);
 169       /* fallthrough */
 170    case WL_DRM_FORMAT_ARGB8888:
 171       wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8A8_SRGB);
 172       wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8A8_UNORM);
 173       break;
 174 #if 0
 175    case WL_DRM_FORMAT_ARGB2101010:
 176    case WL_DRM_FORMAT_XRGB2101010:
 177       wsi_wl_display_add_vk_format(display, VK_FORMAT_B10G10R10A2_UNORM);
 178       break;
 179 #endif
 180    }
 181 }
 182
 183 static void
 184 drm_handle_authenticated(void *data, struct wl_drm *drm)
 185 {
 186 }
 187
 188 static void
 189 drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t capabilities)
 190 {
 191    struct wsi_wl_display *display = data;
 192
 193    display->capabilities = capabilities;
 194 }
 195
 196 static const struct wl_drm_listener drm_listener = {
 197    drm_handle_device,
 198    drm_handle_format,
 199    drm_handle_authenticated,
 200    drm_handle_capabilities,
 201 };
 202
 203 static void
 204 registry_handle_global(void *data, struct wl_registry *registry,
 205                        uint32_t name, const char *interface, uint32_t version)
 206 {
 207    struct wsi_wl_display *display = data;
 208
 209    if (strcmp(interface, "wl_drm") == 0) {
 210       assert(display->drm == NULL);
 211
 212       assert(version >= 2);
 213       display->drm = wl_registry_bind(registry, name, &wl_drm_interface, 2);
 214
 215       if (display->drm)
 216          wl_drm_add_listener(display->drm, &drm_listener, display);
 217    }
 218 }
 219
 220 static void
 221 registry_handle_global_remove(void *data, struct wl_registry *registry,
 222                               uint32_t name)
 223 { /* No-op */ }
 224
 225 static const struct wl_registry_listener registry_listener = {
 226    registry_handle_global,
 227    registry_handle_global_remove
 228 };
 229
 230 static void
 231 wsi_wl_display_destroy(struct wsi_wayland *wsi, struct wsi_wl_display *display)
 232 {
 233    u_vector_finish(&display->formats);
 234    if (display->drm)
 235       wl_drm_destroy(display->drm);
 236    vk_free(&wsi->physical_device->instance->alloc, display);
 237 }
 238
 239 static struct wsi_wl_display *
 240 wsi_wl_display_create(struct wsi_wayland *wsi, struct wl_display *wl_display)
 241 {
 242    struct wsi_wl_display *display =
 243       vk_alloc(&wsi->physical_device->instance->alloc, sizeof(*display), 8,
 244                 VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
 245    if (!display)
 246       return NULL;
 247
 248    memset(display, 0, sizeof(*display));
 249
 250    display->display = wl_display;
 251    display->physical_device = wsi->physical_device;
 252
 253    if (!u_vector_init(&display->formats, sizeof(VkFormat), 8))
 254       goto fail;
 255
 256    struct wl_registry *registry = wl_display_get_registry(wl_display);
 257    if (!registry)
 258       return NULL;
 259
 260    wl_registry_add_listener(registry, &registry_listener, display);
 261
 262    /* Round-rip to get the wl_drm global */
 263    wl_display_roundtrip(wl_display);
 264
 265    if (!display->drm)
 266       goto fail;
 267
 268    /* Round-rip to get wl_drm formats and capabilities */
 269    wl_display_roundtrip(wl_display);
 270
 271    /* We need prime support */
 272    if (!(display->capabilities & WL_DRM_CAPABILITY_PRIME))
 273       goto fail;
 274
 275    /* We don't need this anymore */
 276    wl_registry_destroy(registry);
 277
 278    return display;
 279
 280 fail:
 281    if (registry)
 282       wl_registry_destroy(registry);
 283
 284    wsi_wl_display_destroy(wsi, display);
 285    return NULL;
 286 }
 287
 288 static struct wsi_wl_display *
 289 wsi_wl_get_display(struct anv_physical_device *device,
 290                    struct wl_display *wl_display)
 291 {
 292    struct wsi_wayland *wsi =
 293       (struct wsi_wayland *)device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
 294
 295    pthread_mutex_lock(&wsi->mutex);
 296
 297    struct hash_entry *entry = _mesa_hash_table_search(wsi->displays,
 298                                                       wl_display);
 299    if (!entry) {
 300       /* We're about to make a bunch of blocking calls.  Let's drop the
 301        * mutex for now so we don't block up too badly.
 302        */
 303       pthread_mutex_unlock(&wsi->mutex);
 304
 305       struct wsi_wl_display *display = wsi_wl_display_create(wsi, wl_display);
 306
 307       pthread_mutex_lock(&wsi->mutex);
 308
 309       entry = _mesa_hash_table_search(wsi->displays, wl_display);
 310       if (entry) {
 311          /* Oops, someone raced us to it */
 312          wsi_wl_display_destroy(wsi, display);
 313       } else {
 314          entry = _mesa_hash_table_insert(wsi->displays, wl_display, display);
 315       }
 316    }
 317
 318    pthread_mutex_unlock(&wsi->mutex);
 319
 320    return entry->data;
 321 }
 322
 323 VkBool32 anv_GetPhysicalDeviceWaylandPresentationSupportKHR(
 324     VkPhysicalDevice                            physicalDevice,
 325     uint32_t                                    queueFamilyIndex,
 326     struct wl_display*                          display)
 327 {
 328    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 329
 330    return wsi_wl_get_display(physical_device, display) != NULL;
 331 }
 332
 333 static VkResult
 334 wsi_wl_surface_get_support(VkIcdSurfaceBase *surface,
 335                            struct anv_physical_device *device,
 336                            uint32_t queueFamilyIndex,
 337                            VkBool32* pSupported)
 338 {
 339    *pSupported = true;
 340
 341    return VK_SUCCESS;
 342 }
 343
 344 static const VkPresentModeKHR present_modes[] = {
 345    VK_PRESENT_MODE_MAILBOX_KHR,
 346    VK_PRESENT_MODE_FIFO_KHR,
 347 };
 348
 349 static VkResult
 350 wsi_wl_surface_get_capabilities(VkIcdSurfaceBase *surface,
 351                                 struct anv_physical_device *device,
 352                                 VkSurfaceCapabilitiesKHR* caps)
 353 {
 354    caps->minImageCount = MIN_NUM_IMAGES;
 355    caps->maxImageCount = 4;
 356    caps->currentExtent = (VkExtent2D) { -1, -1 };
 357    caps->minImageExtent = (VkExtent2D) { 1, 1 };
 358    caps->maxImageExtent = (VkExtent2D) { INT16_MAX, INT16_MAX };
 359    caps->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
 360    caps->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
 361    caps->maxImageArrayLayers = 1;
 362
 363    caps->supportedCompositeAlpha =
 364       VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR |
 365       VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
 366
 367    caps->supportedUsageFlags =
 368       VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
 369       VK_IMAGE_USAGE_SAMPLED_BIT |
 370       VK_IMAGE_USAGE_TRANSFER_DST_BIT |
 371       VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 372
 373    return VK_SUCCESS;
 374 }
 375
 376 static VkResult
 377 wsi_wl_surface_get_formats(VkIcdSurfaceBase *icd_surface,
 378                            struct anv_physical_device *device,
 379                            uint32_t* pSurfaceFormatCount,
 380                            VkSurfaceFormatKHR* pSurfaceFormats)
 381 {
 382    VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
 383    struct wsi_wl_display *display =
 384       wsi_wl_get_display(device, surface->display);
 385
 386    uint32_t count = u_vector_length(&display->formats);
 387
 388    if (pSurfaceFormats == NULL) {
 389       *pSurfaceFormatCount = count;
 390       return VK_SUCCESS;
 391    }
 392
 393    assert(*pSurfaceFormatCount >= count);
 394    *pSurfaceFormatCount = count;
 395
 396    VkFormat *f;
 397    u_vector_foreach(f, &display->formats) {
 398       *(pSurfaceFormats++) = (VkSurfaceFormatKHR) {
 399          .format = *f,
 400          /* TODO: We should get this from the compositor somehow */
 401          .colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR,
 402       };
 403    }
 404
 405    return VK_SUCCESS;
 406 }
 407
 408 static VkResult
 409 wsi_wl_surface_get_present_modes(VkIcdSurfaceBase *surface,
 410                                  struct anv_physical_device *device,
 411                                  uint32_t* pPresentModeCount,
 412                                  VkPresentModeKHR* pPresentModes)
 413 {
 414    if (pPresentModes == NULL) {
 415       *pPresentModeCount = ARRAY_SIZE(present_modes);
 416       return VK_SUCCESS;
 417    }
 418
 419    assert(*pPresentModeCount >= ARRAY_SIZE(present_modes));
 420    typed_memcpy(pPresentModes, present_modes, *pPresentModeCount);
 421    *pPresentModeCount = ARRAY_SIZE(present_modes);
 422
 423    return VK_SUCCESS;
 424 }
 425
 426 static VkResult
 427 wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *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    ANV_FROM_HANDLE(anv_instance, instance, _instance);
 440
 441    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR);
 442
 443    VkIcdSurfaceWayland *surface;
 444
 445    surface = vk_alloc2(&instance->alloc, pAllocator, sizeof *surface, 8,
 446                         VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 447    if (surface == NULL)
 448       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 449
 450    surface->base.platform = VK_ICD_WSI_PLATFORM_WAYLAND;
 451    surface->display = pCreateInfo->display;
 452    surface->surface = pCreateInfo->surface;
 453
 454    *pSurface = _VkIcdSurfaceBase_to_handle(&surface->base);
 455
 456    return VK_SUCCESS;
 457 }
 458
 459 struct wsi_wl_image {
 460    struct anv_image *                           image;
 461    struct anv_device_memory *                   memory;
 462    struct wl_buffer *                           buffer;
 463    bool                                         busy;
 464 };
 465
 466 struct wsi_wl_swapchain {
 467    struct anv_swapchain                        base;
 468
 469    struct wsi_wl_display *                      display;
 470    struct wl_event_queue *                      queue;
 471    struct wl_surface *                          surface;
 472
 473    VkExtent2D                                   extent;
 474    VkFormat                                     vk_format;
 475    uint32_t                                     drm_format;
 476
 477    VkPresentModeKHR                             present_mode;
 478    bool                                         fifo_ready;
 479
 480    uint32_t                                     image_count;
 481    struct wsi_wl_image                          images[0];
 482 };
 483
 484 static VkResult
 485 wsi_wl_swapchain_get_images(struct anv_swapchain *anv_chain,
 486                             uint32_t *pCount, VkImage *pSwapchainImages)
 487 {
 488    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 489
 490    if (pSwapchainImages == NULL) {
 491       *pCount = chain->image_count;
 492       return VK_SUCCESS;
 493    }
 494
 495    assert(chain->image_count <= *pCount);
 496    for (uint32_t i = 0; i < chain->image_count; i++)
 497       pSwapchainImages[i] = anv_image_to_handle(chain->images[i].image);
 498
 499    *pCount = chain->image_count;
 500
 501    return VK_SUCCESS;
 502 }
 503
 504 static VkResult
 505 wsi_wl_swapchain_acquire_next_image(struct anv_swapchain *anv_chain,
 506                                     uint64_t timeout,
 507                                     VkSemaphore semaphore,
 508                                     uint32_t *image_index)
 509 {
 510    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 511
 512    int ret = wl_display_dispatch_queue_pending(chain->display->display,
 513                                                chain->queue);
 514    /* XXX: I'm not sure if out-of-date is the right error here.  If
 515     * wl_display_dispatch_queue_pending fails it most likely means we got
 516     * kicked by the server so this seems more-or-less correct.
 517     */
 518    if (ret < 0)
 519       return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 520
 521    while (1) {
 522       for (uint32_t i = 0; i < chain->image_count; i++) {
 523          if (!chain->images[i].busy) {
 524             /* We found a non-busy image */
 525             *image_index = i;
 526             chain->images[i].busy = true;
 527             return VK_SUCCESS;
 528          }
 529       }
 530
 531       /* This time we do a blocking dispatch because we can't go
 532        * anywhere until we get an event.
 533        */
 534       int ret = wl_display_roundtrip_queue(chain->display->display,
 535                                            chain->queue);
 536       if (ret < 0)
 537          return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 538    }
 539 }
 540
 541 static void
 542 frame_handle_done(void *data, struct wl_callback *callback, uint32_t serial)
 543 {
 544    struct wsi_wl_swapchain *chain = data;
 545
 546    chain->fifo_ready = true;
 547
 548    wl_callback_destroy(callback);
 549 }
 550
 551 static const struct wl_callback_listener frame_listener = {
 552    frame_handle_done,
 553 };
 554
 555 static VkResult
 556 wsi_wl_swapchain_queue_present(struct anv_swapchain *anv_chain,
 557                                struct anv_queue *queue,
 558                                uint32_t image_index)
 559 {
 560    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 561
 562    if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
 563       while (!chain->fifo_ready) {
 564          int ret = wl_display_dispatch_queue(chain->display->display,
 565                                              chain->queue);
 566          if (ret < 0)
 567             return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 568       }
 569    }
 570
 571    assert(image_index < chain->image_count);
 572    wl_surface_attach(chain->surface, chain->images[image_index].buffer, 0, 0);
 573    wl_surface_damage(chain->surface, 0, 0, INT32_MAX, INT32_MAX);
 574
 575    if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
 576       struct wl_callback *frame = wl_surface_frame(chain->surface);
 577       wl_proxy_set_queue((struct wl_proxy *)frame, chain->queue);
 578       wl_callback_add_listener(frame, &frame_listener, chain);
 579       chain->fifo_ready = false;
 580    }
 581
 582    chain->images[image_index].busy = true;
 583    wl_surface_commit(chain->surface);
 584    wl_display_flush(chain->display->display);
 585
 586    return VK_SUCCESS;
 587 }
 588
 589 static void
 590 wsi_wl_image_finish(struct wsi_wl_swapchain *chain, struct wsi_wl_image *image,
 591                     const VkAllocationCallbacks* pAllocator)
 592 {
 593    VkDevice vk_device = anv_device_to_handle(chain->base.device);
 594    anv_FreeMemory(vk_device, anv_device_memory_to_handle(image->memory),
 595                   pAllocator);
 596    anv_DestroyImage(vk_device, anv_image_to_handle(image->image),
 597                     pAllocator);
 598 }
 599
 600 static void
 601 buffer_handle_release(void *data, struct wl_buffer *buffer)
 602 {
 603    struct wsi_wl_image *image = data;
 604
 605    assert(image->buffer == buffer);
 606
 607    image->busy = false;
 608 }
 609
 610 static const struct wl_buffer_listener buffer_listener = {
 611    buffer_handle_release,
 612 };
 613
 614 static VkResult
 615 wsi_wl_image_init(struct wsi_wl_swapchain *chain,
 616                   struct wsi_wl_image *image,
 617                   const VkSwapchainCreateInfoKHR *pCreateInfo,
 618                   const VkAllocationCallbacks* pAllocator)
 619 {
 620    VkDevice vk_device = anv_device_to_handle(chain->base.device);
 621    VkResult result;
 622
 623    VkImage vk_image;
 624    result = anv_image_create(vk_device,
 625       &(struct anv_image_create_info) {
 626          .isl_tiling_flags = ISL_TILING_X_BIT,
 627          .stride = 0,
 628          .vk_info =
 629       &(VkImageCreateInfo) {
 630          .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
 631          .imageType = VK_IMAGE_TYPE_2D,
 632          .format = chain->vk_format,
 633          .extent = {
 634             .width = chain->extent.width,
 635             .height = chain->extent.height,
 636             .depth = 1
 637          },
 638          .mipLevels = 1,
 639          .arrayLayers = 1,
 640          .samples = 1,
 641          /* FIXME: Need a way to use X tiling to allow scanout */
 642          .tiling = VK_IMAGE_TILING_OPTIMAL,
 643          .usage = (VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
 644                    pCreateInfo->imageUsage),
 645          .flags = 0,
 646       }},
 647       pAllocator,
 648       &vk_image);
 649
 650    if (result != VK_SUCCESS)
 651       return result;
 652
 653    image->image = anv_image_from_handle(vk_image);
 654    assert(vk_format_is_color(image->image->vk_format));
 655
 656    struct anv_surface *surface = &image->image->color_surface;
 657
 658    VkDeviceMemory vk_memory;
 659    result = anv_AllocateMemory(vk_device,
 660       &(VkMemoryAllocateInfo) {
 661          .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
 662          .allocationSize = image->image->size,
 663          .memoryTypeIndex = 0,
 664       },
 665       pAllocator,
 666       &vk_memory);
 667
 668    if (result != VK_SUCCESS)
 669       goto fail_image;
 670
 671    image->memory = anv_device_memory_from_handle(vk_memory);
 672    image->memory->bo.is_winsys_bo = true;
 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    vk_free2(&chain->base.device->alloc, pAllocator, chain);
 732
 733    return VK_SUCCESS;
 734 }
 735
 736 static VkResult
 737 wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
 738                                 struct anv_device *device,
 739                                 const VkSwapchainCreateInfoKHR* pCreateInfo,
 740                                 const VkAllocationCallbacks* pAllocator,
 741                                 struct anv_swapchain **swapchain_out)
 742 {
 743    VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_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 = vk_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->physicalDevice,
 792                                        surface->display);
 793    if (!chain->display) {
 794       result = vk_error(VK_ERROR_INITIALIZATION_FAILED);
 795       goto fail;
 796    }
 797
 798    chain->queue = wl_display_create_queue(chain->display->display);
 799    if (!chain->queue) {
 800       result = vk_error(VK_ERROR_INITIALIZATION_FAILED);
 801       goto fail;
 802    }
 803
 804    for (uint32_t i = 0; i < chain->image_count; i++) {
 805       result = wsi_wl_image_init(chain, &chain->images[i],
 806                                  pCreateInfo, pAllocator);
 807       if (result != VK_SUCCESS)
 808          goto fail;
 809       chain->images[i].busy = false;
 810    }
 811
 812    *swapchain_out = &chain->base;
 813
 814    return VK_SUCCESS;
 815
 816 fail:
 817    wsi_wl_swapchain_destroy(&chain->base, pAllocator);
 818
 819    return result;
 820 }
 821
 822 VkResult
 823 anv_wl_init_wsi(struct anv_physical_device *device)
 824 {
 825    struct wsi_wayland *wsi;
 826    VkResult result;
 827
 828    wsi = vk_alloc(&device->instance->alloc, sizeof(*wsi), 8,
 829                    VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
 830    if (!wsi) {
 831       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 832       goto fail;
 833    }
 834
 835    wsi->physical_device = device;
 836
 837    int ret = pthread_mutex_init(&wsi->mutex, NULL);
 838    if (ret != 0) {
 839       if (ret == ENOMEM) {
 840          result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 841       } else {
 842          /* FINISHME: Choose a better error. */
 843          result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 844       }
 845
 846       goto fail_alloc;
 847    }
 848
 849    wsi->displays = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
 850                                            _mesa_key_pointer_equal);
 851    if (!wsi->displays) {
 852       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 853       goto fail_mutex;
 854    }
 855
 856    wsi->base.get_support = wsi_wl_surface_get_support;
 857    wsi->base.get_capabilities = wsi_wl_surface_get_capabilities;
 858    wsi->base.get_formats = wsi_wl_surface_get_formats;
 859    wsi->base.get_present_modes = wsi_wl_surface_get_present_modes;
 860    wsi->base.create_swapchain = wsi_wl_surface_create_swapchain;
 861
 862    device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = &wsi->base;
 863
 864    return VK_SUCCESS;
 865
 866 fail_mutex:
 867    pthread_mutex_destroy(&wsi->mutex);
 868
 869 fail_alloc:
 870    vk_free(&device->instance->alloc, wsi);
 871 fail:
 872    device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = NULL;
 873
 874    return result;
 875 }
 876
 877 void
 878 anv_wl_finish_wsi(struct anv_physical_device *device)
 879 {
 880    struct wsi_wayland *wsi =
 881       (struct wsi_wayland *)device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
 882
 883    if (wsi) {
 884       _mesa_hash_table_destroy(wsi->displays, NULL);
 885
 886       pthread_mutex_destroy(&wsi->mutex);
 887
 888       vk_free(&device->instance->alloc, wsi);
 889    }
 890 }