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 <util/hash_table.h>
  30
  31 #define MIN_NUM_IMAGES 2
  32
  33 struct wsi_wl_display {
  34    struct anv_physical_device                  *physical_device;
  35    struct wl_display *                          display;
  36    struct wl_drm *                              drm;
  37
  38    /* Vector of VkFormats supported */
  39    struct anv_vector                            formats;
  40
  41    uint32_t                                     capabilities;
  42 };
  43
  44 struct wsi_wayland {
  45    struct anv_wsi_interface                     base;
  46
  47    struct anv_physical_device *                 physical_device;
  48
  49    pthread_mutex_t                              mutex;
  50    /* Hash table of wl_display -> wsi_wl_display mappings */
  51    struct hash_table *                          displays;
  52 };
  53
  54 static void
  55 wsi_wl_display_add_vk_format(struct wsi_wl_display *display, VkFormat format)
  56 {
  57    /* Don't add a format that's already in the list */
  58    VkFormat *f;
  59    anv_vector_foreach(f, &display->formats)
  60       if (*f == format)
  61          return;
  62
  63    /* Don't add formats that aren't renderable. */
  64    VkFormatProperties props;
  65    anv_GetPhysicalDeviceFormatProperties(
  66       anv_physical_device_to_handle(display->physical_device), format, &props);
  67    if (!(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
  68       return;
  69
  70    f = anv_vector_add(&display->formats);
  71    if (f)
  72       *f = format;
  73 }
  74
  75 static void
  76 drm_handle_device(void *data, struct wl_drm *drm, const char *name)
  77 {
  78    fprintf(stderr, "wl_drm.device(%s)\n", name);
  79 }
  80
  81 static uint32_t
  82 wl_drm_format_for_vk_format(VkFormat vk_format, bool alpha)
  83 {
  84    switch (vk_format) {
  85    /* TODO: Figure out what all the formats mean and make this table
  86     * correct.
  87     */
  88 #if 0
  89    case VK_FORMAT_R4G4B4A4_UNORM:
  90       return alpha ? WL_DRM_FORMAT_ABGR4444 : WL_DRM_FORMAT_XBGR4444;
  91    case VK_FORMAT_R5G6B5_UNORM:
  92       return WL_DRM_FORMAT_BGR565;
  93    case VK_FORMAT_R5G5B5A1_UNORM:
  94       return alpha ? WL_DRM_FORMAT_ABGR1555 : WL_DRM_FORMAT_XBGR1555;
  95    case VK_FORMAT_R8G8B8_UNORM:
  96       return WL_DRM_FORMAT_XBGR8888;
  97    case VK_FORMAT_R8G8B8A8_UNORM:
  98       return alpha ? WL_DRM_FORMAT_ABGR8888 : WL_DRM_FORMAT_XBGR8888;
  99    case VK_FORMAT_R10G10B10A2_UNORM:
 100       return alpha ? WL_DRM_FORMAT_ABGR2101010 : WL_DRM_FORMAT_XBGR2101010;
 101    case VK_FORMAT_B4G4R4A4_UNORM:
 102       return alpha ? WL_DRM_FORMAT_ARGB4444 : WL_DRM_FORMAT_XRGB4444;
 103    case VK_FORMAT_B5G6R5_UNORM:
 104       return WL_DRM_FORMAT_RGB565;
 105    case VK_FORMAT_B5G5R5A1_UNORM:
 106       return alpha ? WL_DRM_FORMAT_XRGB1555 : WL_DRM_FORMAT_XRGB1555;
 107 #endif
 108    case VK_FORMAT_B8G8R8_SRGB:
 109       return WL_DRM_FORMAT_BGRX8888;
 110    case VK_FORMAT_B8G8R8A8_SRGB:
 111       return alpha ? WL_DRM_FORMAT_ARGB8888 : WL_DRM_FORMAT_XRGB8888;
 112 #if 0
 113    case VK_FORMAT_B10G10R10A2_UNORM:
 114       return alpha ? WL_DRM_FORMAT_ARGB2101010 : WL_DRM_FORMAT_XRGB2101010;
 115 #endif
 116
 117    default:
 118       assert("!Unsupported Vulkan format");
 119       return 0;
 120    }
 121 }
 122
 123 static void
 124 drm_handle_format(void *data, struct wl_drm *drm, uint32_t wl_format)
 125 {
 126    struct wsi_wl_display *display = data;
 127
 128    switch (wl_format) {
 129 #if 0
 130    case WL_DRM_FORMAT_ABGR4444:
 131    case WL_DRM_FORMAT_XBGR4444:
 132       wsi_wl_display_add_vk_format(display, VK_FORMAT_R4G4B4A4_UNORM);
 133       break;
 134    case WL_DRM_FORMAT_BGR565:
 135       wsi_wl_display_add_vk_format(display, VK_FORMAT_R5G6B5_UNORM);
 136       break;
 137    case WL_DRM_FORMAT_ABGR1555:
 138    case WL_DRM_FORMAT_XBGR1555:
 139       wsi_wl_display_add_vk_format(display, VK_FORMAT_R5G5B5A1_UNORM);
 140       break;
 141    case WL_DRM_FORMAT_XBGR8888:
 142       wsi_wl_display_add_vk_format(display, VK_FORMAT_R8G8B8_UNORM);
 143       /* fallthrough */
 144    case WL_DRM_FORMAT_ABGR8888:
 145       wsi_wl_display_add_vk_format(display, VK_FORMAT_R8G8B8A8_UNORM);
 146       break;
 147    case WL_DRM_FORMAT_ABGR2101010:
 148    case WL_DRM_FORMAT_XBGR2101010:
 149       wsi_wl_display_add_vk_format(display, VK_FORMAT_R10G10B10A2_UNORM);
 150       break;
 151    case WL_DRM_FORMAT_ARGB4444:
 152    case WL_DRM_FORMAT_XRGB4444:
 153       wsi_wl_display_add_vk_format(display, VK_FORMAT_B4G4R4A4_UNORM);
 154       break;
 155    case WL_DRM_FORMAT_RGB565:
 156       wsi_wl_display_add_vk_format(display, VK_FORMAT_B5G6R5_UNORM);
 157       break;
 158    case WL_DRM_FORMAT_ARGB1555:
 159    case WL_DRM_FORMAT_XRGB1555:
 160       wsi_wl_display_add_vk_format(display, VK_FORMAT_B5G5R5A1_UNORM);
 161       break;
 162 #endif
 163    case WL_DRM_FORMAT_XRGB8888:
 164       wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8_SRGB);
 165       /* fallthrough */
 166    case WL_DRM_FORMAT_ARGB8888:
 167       wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8A8_SRGB);
 168       break;
 169 #if 0
 170    case WL_DRM_FORMAT_ARGB2101010:
 171    case WL_DRM_FORMAT_XRGB2101010:
 172       wsi_wl_display_add_vk_format(display, VK_FORMAT_B10G10R10A2_UNORM);
 173       break;
 174 #endif
 175    }
 176 }
 177
 178 static void
 179 drm_handle_authenticated(void *data, struct wl_drm *drm)
 180 {
 181 }
 182
 183 static void
 184 drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t capabilities)
 185 {
 186    struct wsi_wl_display *display = data;
 187
 188    display->capabilities = capabilities;
 189 }
 190
 191 static const struct wl_drm_listener drm_listener = {
 192    drm_handle_device,
 193    drm_handle_format,
 194    drm_handle_authenticated,
 195    drm_handle_capabilities,
 196 };
 197
 198 static void
 199 registry_handle_global(void *data, struct wl_registry *registry,
 200                        uint32_t name, const char *interface, uint32_t version)
 201 {
 202    struct wsi_wl_display *display = data;
 203
 204    if (strcmp(interface, "wl_drm") == 0) {
 205       assert(display->drm == NULL);
 206
 207       assert(version >= 2);
 208       display->drm = wl_registry_bind(registry, name, &wl_drm_interface, 2);
 209
 210       if (display->drm)
 211          wl_drm_add_listener(display->drm, &drm_listener, display);
 212    }
 213 }
 214
 215 static void
 216 registry_handle_global_remove(void *data, struct wl_registry *registry,
 217                               uint32_t name)
 218 { /* No-op */ }
 219
 220 static const struct wl_registry_listener registry_listener = {
 221    registry_handle_global,
 222    registry_handle_global_remove
 223 };
 224
 225 static void
 226 wsi_wl_display_destroy(struct wsi_wayland *wsi, struct wsi_wl_display *display)
 227 {
 228    anv_vector_finish(&display->formats);
 229    if (display->drm)
 230       wl_drm_destroy(display->drm);
 231    anv_free(&wsi->physical_device->instance->alloc, display);
 232 }
 233
 234 static struct wsi_wl_display *
 235 wsi_wl_display_create(struct wsi_wayland *wsi, struct wl_display *wl_display)
 236 {
 237    struct wsi_wl_display *display =
 238       anv_alloc(&wsi->physical_device->instance->alloc, sizeof(*display), 8,
 239                 VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
 240    if (!display)
 241       return NULL;
 242
 243    memset(display, 0, sizeof(*display));
 244
 245    display->display = wl_display;
 246    display->physical_device = wsi->physical_device;
 247
 248    if (!anv_vector_init(&display->formats, sizeof(VkFormat), 8))
 249       goto fail;
 250
 251    struct wl_registry *registry = wl_display_get_registry(wl_display);
 252    if (!registry)
 253       return NULL;
 254
 255    wl_registry_add_listener(registry, &registry_listener, display);
 256
 257    /* Round-rip to get the wl_drm global */
 258    wl_display_roundtrip(wl_display);
 259
 260    if (!display->drm)
 261       goto fail;
 262
 263    /* Round-rip to get wl_drm formats and capabilities */
 264    wl_display_roundtrip(wl_display);
 265
 266    /* We need prime support */
 267    if (!(display->capabilities & WL_DRM_CAPABILITY_PRIME))
 268       goto fail;
 269
 270    /* We don't need this anymore */
 271    wl_registry_destroy(registry);
 272
 273    return display;
 274
 275 fail:
 276    if (registry)
 277       wl_registry_destroy(registry);
 278
 279    wsi_wl_display_destroy(wsi, display);
 280    return NULL;
 281 }
 282
 283 static struct wsi_wl_display *
 284 wsi_wl_get_display(struct anv_physical_device *device,
 285                    struct wl_display *wl_display)
 286 {
 287    struct wsi_wayland *wsi =
 288       (struct wsi_wayland *)device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
 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, display) != NULL;
 326 }
 327
 328 static VkResult
 329 wsi_wl_surface_get_support(VkIcdSurfaceBase *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(VkIcdSurfaceBase *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_SRC_BIT |
 364       VK_IMAGE_USAGE_SAMPLED_BIT |
 365       VK_IMAGE_USAGE_TRANSFER_DST_BIT |
 366       VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 367
 368    return VK_SUCCESS;
 369 }
 370
 371 static VkResult
 372 wsi_wl_surface_get_formats(VkIcdSurfaceBase *icd_surface,
 373                            struct anv_physical_device *device,
 374                            uint32_t* pSurfaceFormatCount,
 375                            VkSurfaceFormatKHR* pSurfaceFormats)
 376 {
 377    VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
 378    struct wsi_wl_display *display =
 379       wsi_wl_get_display(device, surface->display);
 380
 381    uint32_t count = anv_vector_length(&display->formats);
 382
 383    if (pSurfaceFormats == NULL) {
 384       *pSurfaceFormatCount = count;
 385       return VK_SUCCESS;
 386    }
 387
 388    assert(*pSurfaceFormatCount >= count);
 389    *pSurfaceFormatCount = count;
 390
 391    VkFormat *f;
 392    anv_vector_foreach(f, &display->formats) {
 393       *(pSurfaceFormats++) = (VkSurfaceFormatKHR) {
 394          .format = *f,
 395          /* TODO: We should get this from the compositor somehow */
 396          .colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR,
 397       };
 398    }
 399
 400    return VK_SUCCESS;
 401 }
 402
 403 static VkResult
 404 wsi_wl_surface_get_present_modes(VkIcdSurfaceBase *surface,
 405                                  struct anv_physical_device *device,
 406                                  uint32_t* pPresentModeCount,
 407                                  VkPresentModeKHR* pPresentModes)
 408 {
 409    if (pPresentModes == NULL) {
 410       *pPresentModeCount = ARRAY_SIZE(present_modes);
 411       return VK_SUCCESS;
 412    }
 413
 414    assert(*pPresentModeCount >= ARRAY_SIZE(present_modes));
 415    typed_memcpy(pPresentModes, present_modes, *pPresentModeCount);
 416    *pPresentModeCount = ARRAY_SIZE(present_modes);
 417
 418    return VK_SUCCESS;
 419 }
 420
 421 static VkResult
 422 wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *surface,
 423                                 struct anv_device *device,
 424                                 const VkSwapchainCreateInfoKHR* pCreateInfo,
 425                                 const VkAllocationCallbacks* pAllocator,
 426                                 struct anv_swapchain **swapchain);
 427
 428 VkResult anv_CreateWaylandSurfaceKHR(
 429     VkInstance                                  _instance,
 430     const VkWaylandSurfaceCreateInfoKHR*        pCreateInfo,
 431     const VkAllocationCallbacks*                pAllocator,
 432     VkSurfaceKHR*                               pSurface)
 433 {
 434    ANV_FROM_HANDLE(anv_instance, instance, _instance);
 435
 436    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR);
 437
 438    VkIcdSurfaceWayland *surface;
 439
 440    surface = anv_alloc2(&instance->alloc, pAllocator, sizeof *surface, 8,
 441                         VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 442    if (surface == NULL)
 443       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 444
 445    surface->base.platform = VK_ICD_WSI_PLATFORM_WAYLAND;
 446    surface->display = pCreateInfo->display;
 447    surface->surface = pCreateInfo->surface;
 448
 449    *pSurface = _VkIcdSurfaceBase_to_handle(&surface->base);
 450
 451    return VK_SUCCESS;
 452 }
 453
 454 struct wsi_wl_image {
 455    struct anv_image *                           image;
 456    struct anv_device_memory *                   memory;
 457    struct wl_buffer *                           buffer;
 458    bool                                         busy;
 459 };
 460
 461 struct wsi_wl_swapchain {
 462    struct anv_swapchain                        base;
 463
 464    struct wsi_wl_display *                      display;
 465    struct wl_event_queue *                      queue;
 466    struct wl_surface *                          surface;
 467
 468    VkExtent2D                                   extent;
 469    VkFormat                                     vk_format;
 470    uint32_t                                     drm_format;
 471
 472    VkPresentModeKHR                             present_mode;
 473    bool                                         fifo_ready;
 474
 475    uint32_t                                     image_count;
 476    struct wsi_wl_image                          images[0];
 477 };
 478
 479 static VkResult
 480 wsi_wl_swapchain_get_images(struct anv_swapchain *anv_chain,
 481                             uint32_t *pCount, VkImage *pSwapchainImages)
 482 {
 483    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 484
 485    if (pSwapchainImages == NULL) {
 486       *pCount = chain->image_count;
 487       return VK_SUCCESS;
 488    }
 489
 490    assert(chain->image_count <= *pCount);
 491    for (uint32_t i = 0; i < chain->image_count; i++)
 492       pSwapchainImages[i] = anv_image_to_handle(chain->images[i].image);
 493
 494    *pCount = chain->image_count;
 495
 496    return VK_SUCCESS;
 497 }
 498
 499 static VkResult
 500 wsi_wl_swapchain_acquire_next_image(struct anv_swapchain *anv_chain,
 501                                     uint64_t timeout,
 502                                     VkSemaphore semaphore,
 503                                     uint32_t *image_index)
 504 {
 505    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 506
 507    int ret = wl_display_dispatch_queue_pending(chain->display->display,
 508                                                chain->queue);
 509    /* XXX: I'm not sure if out-of-date is the right error here.  If
 510     * wl_display_dispatch_queue_pending fails it most likely means we got
 511     * kicked by the server so this seems more-or-less correct.
 512     */
 513    if (ret < 0)
 514       return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 515
 516    while (1) {
 517       for (uint32_t i = 0; i < chain->image_count; i++) {
 518          if (!chain->images[i].busy) {
 519             /* We found a non-busy image */
 520             *image_index = i;
 521             return VK_SUCCESS;
 522          }
 523       }
 524
 525       /* This time we do a blocking dispatch because we can't go
 526        * anywhere until we get an event.
 527        */
 528       int ret = wl_display_roundtrip_queue(chain->display->display,
 529                                            chain->queue);
 530       if (ret < 0)
 531          return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 532    }
 533 }
 534
 535 static void
 536 frame_handle_done(void *data, struct wl_callback *callback, uint32_t serial)
 537 {
 538    struct wsi_wl_swapchain *chain = data;
 539
 540    chain->fifo_ready = true;
 541
 542    wl_callback_destroy(callback);
 543 }
 544
 545 static const struct wl_callback_listener frame_listener = {
 546    frame_handle_done,
 547 };
 548
 549 static VkResult
 550 wsi_wl_swapchain_queue_present(struct anv_swapchain *anv_chain,
 551                                struct anv_queue *queue,
 552                                uint32_t image_index)
 553 {
 554    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 555
 556    if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
 557       while (!chain->fifo_ready) {
 558          int ret = wl_display_dispatch_queue(chain->display->display,
 559                                              chain->queue);
 560          if (ret < 0)
 561             return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 562       }
 563    }
 564
 565    assert(image_index < chain->image_count);
 566    wl_surface_attach(chain->surface, chain->images[image_index].buffer, 0, 0);
 567    wl_surface_damage(chain->surface, 0, 0, INT32_MAX, INT32_MAX);
 568
 569    if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
 570       struct wl_callback *frame = wl_surface_frame(chain->surface);
 571       wl_proxy_set_queue((struct wl_proxy *)frame, chain->queue);
 572       wl_callback_add_listener(frame, &frame_listener, chain);
 573       chain->fifo_ready = false;
 574    }
 575
 576    chain->images[image_index].busy = true;
 577    wl_surface_commit(chain->surface);
 578    wl_display_flush(chain->display->display);
 579
 580    return VK_SUCCESS;
 581 }
 582
 583 static void
 584 wsi_wl_image_finish(struct wsi_wl_swapchain *chain, struct wsi_wl_image *image,
 585                     const VkAllocationCallbacks* pAllocator)
 586 {
 587    VkDevice vk_device = anv_device_to_handle(chain->base.device);
 588    anv_FreeMemory(vk_device, anv_device_memory_to_handle(image->memory),
 589                   pAllocator);
 590    anv_DestroyImage(vk_device, anv_image_to_handle(image->image),
 591                     pAllocator);
 592 }
 593
 594 static void
 595 buffer_handle_release(void *data, struct wl_buffer *buffer)
 596 {
 597    struct wsi_wl_image *image = data;
 598
 599    assert(image->buffer == buffer);
 600
 601    image->busy = false;
 602 }
 603
 604 static const struct wl_buffer_listener buffer_listener = {
 605    buffer_handle_release,
 606 };
 607
 608 static VkResult
 609 wsi_wl_image_init(struct wsi_wl_swapchain *chain, struct wsi_wl_image *image,
 610                   const VkAllocationCallbacks* pAllocator)
 611 {
 612    VkDevice vk_device = anv_device_to_handle(chain->base.device);
 613    VkResult result;
 614
 615    VkImage vk_image;
 616    result = anv_image_create(vk_device,
 617       &(struct anv_image_create_info) {
 618          .isl_tiling_flags = ISL_TILING_X_BIT,
 619          .stride = 0,
 620          .vk_info =
 621       &(VkImageCreateInfo) {
 622          .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
 623          .imageType = VK_IMAGE_TYPE_2D,
 624          .format = chain->vk_format,
 625          .extent = {
 626             .width = chain->extent.width,
 627             .height = chain->extent.height,
 628             .depth = 1
 629          },
 630          .mipLevels = 1,
 631          .arrayLayers = 1,
 632          .samples = 1,
 633          /* FIXME: Need a way to use X tiling to allow scanout */
 634          .tiling = VK_IMAGE_TILING_OPTIMAL,
 635          .usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
 636          .flags = 0,
 637       }},
 638       pAllocator,
 639       &vk_image);
 640
 641    if (result != VK_SUCCESS)
 642       return result;
 643
 644    image->image = anv_image_from_handle(vk_image);
 645    assert(anv_format_is_color(image->image->format));
 646
 647    struct anv_surface *surface = &image->image->color_surface;
 648
 649    VkDeviceMemory vk_memory;
 650    result = anv_AllocateMemory(vk_device,
 651       &(VkMemoryAllocateInfo) {
 652          .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
 653          .allocationSize = image->image->size,
 654          .memoryTypeIndex = 0,
 655       },
 656       pAllocator,
 657       &vk_memory);
 658
 659    if (result != VK_SUCCESS)
 660       goto fail_image;
 661
 662    image->memory = anv_device_memory_from_handle(vk_memory);
 663    image->memory->bo.is_winsys_bo = true;
 664
 665    result = anv_BindImageMemory(vk_device, vk_image, vk_memory, 0);
 666
 667    if (result != VK_SUCCESS)
 668       goto fail_mem;
 669
 670    int ret = anv_gem_set_tiling(chain->base.device,
 671                                 image->memory->bo.gem_handle,
 672                                 surface->isl.row_pitch, I915_TILING_X);
 673    if (ret) {
 674       /* FINISHME: Choose a better error. */
 675       result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
 676       goto fail_mem;
 677    }
 678
 679    int fd = anv_gem_handle_to_fd(chain->base.device,
 680                                  image->memory->bo.gem_handle);
 681    if (fd == -1) {
 682       /* FINISHME: Choose a better error. */
 683       result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
 684       goto fail_mem;
 685    }
 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->offset,
 693                                               surface->isl.row_pitch,
 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    anv_FreeMemory(vk_device, vk_memory, pAllocator);
 705 fail_image:
 706    anv_DestroyImage(vk_device, vk_image, pAllocator);
 707
 708    return result;
 709 }
 710
 711 static VkResult
 712 wsi_wl_swapchain_destroy(struct anv_swapchain *anv_chain,
 713                          const VkAllocationCallbacks *pAllocator)
 714 {
 715    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_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    anv_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 anv_device *device,
 730                                 const VkSwapchainCreateInfoKHR* pCreateInfo,
 731                                 const VkAllocationCallbacks* pAllocator,
 732                                 struct anv_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 = anv_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       goto fail;
 786
 787    chain->queue = wl_display_create_queue(chain->display->display);
 788    if (!chain->queue)
 789       goto fail;
 790
 791    for (uint32_t i = 0; i < chain->image_count; i++) {
 792       result = wsi_wl_image_init(chain, &chain->images[i], pAllocator);
 793       if (result != VK_SUCCESS)
 794          goto fail;
 795       chain->images[i].busy = false;
 796    }
 797
 798    *swapchain_out = &chain->base;
 799
 800    return VK_SUCCESS;
 801
 802 fail:
 803    wsi_wl_swapchain_destroy(&chain->base, pAllocator);
 804
 805    return result;
 806 }
 807
 808 VkResult
 809 anv_wl_init_wsi(struct anv_physical_device *device)
 810 {
 811    struct wsi_wayland *wsi;
 812    VkResult result;
 813
 814    wsi = anv_alloc(&device->instance->alloc, sizeof(*wsi), 8,
 815                    VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
 816    if (!wsi) {
 817       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 818       goto fail;
 819    }
 820
 821    wsi->physical_device = device;
 822
 823    int ret = pthread_mutex_init(&wsi->mutex, NULL);
 824    if (ret != 0) {
 825       if (ret == ENOMEM) {
 826          result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 827       } else {
 828          /* FINISHME: Choose a better error. */
 829          result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 830       }
 831
 832       goto fail_alloc;
 833    }
 834
 835    wsi->displays = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
 836                                            _mesa_key_pointer_equal);
 837    if (!wsi->displays) {
 838       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 839       goto fail_mutex;
 840    }
 841
 842    wsi->base.get_support = wsi_wl_surface_get_support;
 843    wsi->base.get_capabilities = wsi_wl_surface_get_capabilities;
 844    wsi->base.get_formats = wsi_wl_surface_get_formats;
 845    wsi->base.get_present_modes = wsi_wl_surface_get_present_modes;
 846    wsi->base.create_swapchain = wsi_wl_surface_create_swapchain;
 847
 848    device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = &wsi->base;
 849
 850    return VK_SUCCESS;
 851
 852 fail_mutex:
 853    pthread_mutex_destroy(&wsi->mutex);
 854
 855 fail_alloc:
 856    anv_free(&device->instance->alloc, wsi);
 857 fail:
 858    device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = NULL;
 859
 860    return result;
 861 }
 862
 863 void
 864 anv_wl_finish_wsi(struct anv_physical_device *device)
 865 {
 866    struct wsi_wayland *wsi =
 867       (struct wsi_wayland *)device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
 868
 869    if (wsi) {
 870       _mesa_hash_table_destroy(wsi->displays, NULL);
 871
 872       pthread_mutex_destroy(&wsi->mutex);
 873
 874       anv_free(&device->instance->alloc, wsi);
 875    }
 876 }