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 anv_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    anv_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 = anv_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_SRGB:
 110       return WL_DRM_FORMAT_BGRX8888;
 111    case VK_FORMAT_B8G8R8A8_SRGB:
 112       return alpha ? WL_DRM_FORMAT_ARGB8888 : WL_DRM_FORMAT_XRGB8888;
 113 #if 0
 114    case VK_FORMAT_B10G10R10A2_UNORM:
 115       return alpha ? WL_DRM_FORMAT_ARGB2101010 : WL_DRM_FORMAT_XRGB2101010;
 116 #endif
 117
 118    default:
 119       assert("!Unsupported Vulkan format");
 120       return 0;
 121    }
 122 }
 123
 124 static void
 125 drm_handle_format(void *data, struct wl_drm *drm, uint32_t wl_format)
 126 {
 127    struct wsi_wl_display *display = data;
 128
 129    switch (wl_format) {
 130 #if 0
 131    case WL_DRM_FORMAT_ABGR4444:
 132    case WL_DRM_FORMAT_XBGR4444:
 133       wsi_wl_display_add_vk_format(display, VK_FORMAT_R4G4B4A4_UNORM);
 134       break;
 135    case WL_DRM_FORMAT_BGR565:
 136       wsi_wl_display_add_vk_format(display, VK_FORMAT_R5G6B5_UNORM);
 137       break;
 138    case WL_DRM_FORMAT_ABGR1555:
 139    case WL_DRM_FORMAT_XBGR1555:
 140       wsi_wl_display_add_vk_format(display, VK_FORMAT_R5G5B5A1_UNORM);
 141       break;
 142    case WL_DRM_FORMAT_XBGR8888:
 143       wsi_wl_display_add_vk_format(display, VK_FORMAT_R8G8B8_UNORM);
 144       /* fallthrough */
 145    case WL_DRM_FORMAT_ABGR8888:
 146       wsi_wl_display_add_vk_format(display, VK_FORMAT_R8G8B8A8_UNORM);
 147       break;
 148    case WL_DRM_FORMAT_ABGR2101010:
 149    case WL_DRM_FORMAT_XBGR2101010:
 150       wsi_wl_display_add_vk_format(display, VK_FORMAT_R10G10B10A2_UNORM);
 151       break;
 152    case WL_DRM_FORMAT_ARGB4444:
 153    case WL_DRM_FORMAT_XRGB4444:
 154       wsi_wl_display_add_vk_format(display, VK_FORMAT_B4G4R4A4_UNORM);
 155       break;
 156    case WL_DRM_FORMAT_RGB565:
 157       wsi_wl_display_add_vk_format(display, VK_FORMAT_B5G6R5_UNORM);
 158       break;
 159    case WL_DRM_FORMAT_ARGB1555:
 160    case WL_DRM_FORMAT_XRGB1555:
 161       wsi_wl_display_add_vk_format(display, VK_FORMAT_B5G5R5A1_UNORM);
 162       break;
 163 #endif
 164    case WL_DRM_FORMAT_XRGB8888:
 165       wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8_SRGB);
 166       /* fallthrough */
 167    case WL_DRM_FORMAT_ARGB8888:
 168       wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8A8_SRGB);
 169       break;
 170 #if 0
 171    case WL_DRM_FORMAT_ARGB2101010:
 172    case WL_DRM_FORMAT_XRGB2101010:
 173       wsi_wl_display_add_vk_format(display, VK_FORMAT_B10G10R10A2_UNORM);
 174       break;
 175 #endif
 176    }
 177 }
 178
 179 static void
 180 drm_handle_authenticated(void *data, struct wl_drm *drm)
 181 {
 182 }
 183
 184 static void
 185 drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t capabilities)
 186 {
 187    struct wsi_wl_display *display = data;
 188
 189    display->capabilities = capabilities;
 190 }
 191
 192 static const struct wl_drm_listener drm_listener = {
 193    drm_handle_device,
 194    drm_handle_format,
 195    drm_handle_authenticated,
 196    drm_handle_capabilities,
 197 };
 198
 199 static void
 200 registry_handle_global(void *data, struct wl_registry *registry,
 201                        uint32_t name, const char *interface, uint32_t version)
 202 {
 203    struct wsi_wl_display *display = data;
 204
 205    if (strcmp(interface, "wl_drm") == 0) {
 206       assert(display->drm == NULL);
 207
 208       assert(version >= 2);
 209       display->drm = wl_registry_bind(registry, name, &wl_drm_interface, 2);
 210
 211       if (display->drm)
 212          wl_drm_add_listener(display->drm, &drm_listener, display);
 213    }
 214 }
 215
 216 static void
 217 registry_handle_global_remove(void *data, struct wl_registry *registry,
 218                               uint32_t name)
 219 { /* No-op */ }
 220
 221 static const struct wl_registry_listener registry_listener = {
 222    registry_handle_global,
 223    registry_handle_global_remove
 224 };
 225
 226 static void
 227 wsi_wl_display_destroy(struct wsi_wayland *wsi, struct wsi_wl_display *display)
 228 {
 229    anv_vector_finish(&display->formats);
 230    if (display->drm)
 231       wl_drm_destroy(display->drm);
 232    anv_free(&wsi->physical_device->instance->alloc, display);
 233 }
 234
 235 static struct wsi_wl_display *
 236 wsi_wl_display_create(struct wsi_wayland *wsi, struct wl_display *wl_display)
 237 {
 238    struct wsi_wl_display *display =
 239       anv_alloc(&wsi->physical_device->instance->alloc, sizeof(*display), 8,
 240                 VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
 241    if (!display)
 242       return NULL;
 243
 244    memset(display, 0, sizeof(*display));
 245
 246    display->display = wl_display;
 247    display->physical_device = wsi->physical_device;
 248
 249    if (!anv_vector_init(&display->formats, sizeof(VkFormat), 8))
 250       goto fail;
 251
 252    struct wl_registry *registry = wl_display_get_registry(wl_display);
 253    if (!registry)
 254       return NULL;
 255
 256    wl_registry_add_listener(registry, &registry_listener, display);
 257
 258    /* Round-rip to get the wl_drm global */
 259    wl_display_roundtrip(wl_display);
 260
 261    if (!display->drm)
 262       goto fail;
 263
 264    /* Round-rip to get wl_drm formats and capabilities */
 265    wl_display_roundtrip(wl_display);
 266
 267    /* We need prime support */
 268    if (!(display->capabilities & WL_DRM_CAPABILITY_PRIME))
 269       goto fail;
 270
 271    /* We don't need this anymore */
 272    wl_registry_destroy(registry);
 273
 274    return display;
 275
 276 fail:
 277    if (registry)
 278       wl_registry_destroy(registry);
 279
 280    wsi_wl_display_destroy(wsi, display);
 281    return NULL;
 282 }
 283
 284 static struct wsi_wl_display *
 285 wsi_wl_get_display(struct anv_physical_device *device,
 286                    struct wl_display *wl_display)
 287 {
 288    struct wsi_wayland *wsi =
 289       (struct wsi_wayland *)device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
 290
 291    pthread_mutex_lock(&wsi->mutex);
 292
 293    struct hash_entry *entry = _mesa_hash_table_search(wsi->displays,
 294                                                       wl_display);
 295    if (!entry) {
 296       /* We're about to make a bunch of blocking calls.  Let's drop the
 297        * mutex for now so we don't block up too badly.
 298        */
 299       pthread_mutex_unlock(&wsi->mutex);
 300
 301       struct wsi_wl_display *display = wsi_wl_display_create(wsi, wl_display);
 302
 303       pthread_mutex_lock(&wsi->mutex);
 304
 305       entry = _mesa_hash_table_search(wsi->displays, wl_display);
 306       if (entry) {
 307          /* Oops, someone raced us to it */
 308          wsi_wl_display_destroy(wsi, display);
 309       } else {
 310          entry = _mesa_hash_table_insert(wsi->displays, wl_display, display);
 311       }
 312    }
 313
 314    pthread_mutex_unlock(&wsi->mutex);
 315
 316    return entry->data;
 317 }
 318
 319 VkBool32 anv_GetPhysicalDeviceWaylandPresentationSupportKHR(
 320     VkPhysicalDevice                            physicalDevice,
 321     uint32_t                                    queueFamilyIndex,
 322     struct wl_display*                          display)
 323 {
 324    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 325
 326    return wsi_wl_get_display(physical_device, display) != NULL;
 327 }
 328
 329 static VkResult
 330 wsi_wl_surface_get_support(VkIcdSurfaceBase *surface,
 331                            struct anv_physical_device *device,
 332                            uint32_t queueFamilyIndex,
 333                            VkBool32* pSupported)
 334 {
 335    *pSupported = true;
 336
 337    return VK_SUCCESS;
 338 }
 339
 340 static const VkPresentModeKHR present_modes[] = {
 341    VK_PRESENT_MODE_MAILBOX_KHR,
 342    VK_PRESENT_MODE_FIFO_KHR,
 343 };
 344
 345 static VkResult
 346 wsi_wl_surface_get_capabilities(VkIcdSurfaceBase *surface,
 347                                 struct anv_physical_device *device,
 348                                 VkSurfaceCapabilitiesKHR* caps)
 349 {
 350    caps->minImageCount = MIN_NUM_IMAGES;
 351    caps->maxImageCount = 4;
 352    caps->currentExtent = (VkExtent2D) { -1, -1 };
 353    caps->minImageExtent = (VkExtent2D) { 1, 1 };
 354    caps->maxImageExtent = (VkExtent2D) { INT16_MAX, INT16_MAX };
 355    caps->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
 356    caps->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
 357    caps->maxImageArrayLayers = 1;
 358
 359    caps->supportedCompositeAlpha =
 360       VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR |
 361       VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
 362
 363    caps->supportedUsageFlags =
 364       VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
 365       VK_IMAGE_USAGE_SAMPLED_BIT |
 366       VK_IMAGE_USAGE_TRANSFER_DST_BIT |
 367       VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
 368
 369    return VK_SUCCESS;
 370 }
 371
 372 static VkResult
 373 wsi_wl_surface_get_formats(VkIcdSurfaceBase *icd_surface,
 374                            struct anv_physical_device *device,
 375                            uint32_t* pSurfaceFormatCount,
 376                            VkSurfaceFormatKHR* pSurfaceFormats)
 377 {
 378    VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
 379    struct wsi_wl_display *display =
 380       wsi_wl_get_display(device, surface->display);
 381
 382    uint32_t count = anv_vector_length(&display->formats);
 383
 384    if (pSurfaceFormats == NULL) {
 385       *pSurfaceFormatCount = count;
 386       return VK_SUCCESS;
 387    }
 388
 389    assert(*pSurfaceFormatCount >= count);
 390    *pSurfaceFormatCount = count;
 391
 392    VkFormat *f;
 393    anv_vector_foreach(f, &display->formats) {
 394       *(pSurfaceFormats++) = (VkSurfaceFormatKHR) {
 395          .format = *f,
 396          /* TODO: We should get this from the compositor somehow */
 397          .colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR,
 398       };
 399    }
 400
 401    return VK_SUCCESS;
 402 }
 403
 404 static VkResult
 405 wsi_wl_surface_get_present_modes(VkIcdSurfaceBase *surface,
 406                                  struct anv_physical_device *device,
 407                                  uint32_t* pPresentModeCount,
 408                                  VkPresentModeKHR* pPresentModes)
 409 {
 410    if (pPresentModes == NULL) {
 411       *pPresentModeCount = ARRAY_SIZE(present_modes);
 412       return VK_SUCCESS;
 413    }
 414
 415    assert(*pPresentModeCount >= ARRAY_SIZE(present_modes));
 416    typed_memcpy(pPresentModes, present_modes, *pPresentModeCount);
 417    *pPresentModeCount = ARRAY_SIZE(present_modes);
 418
 419    return VK_SUCCESS;
 420 }
 421
 422 static VkResult
 423 wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *surface,
 424                                 struct anv_device *device,
 425                                 const VkSwapchainCreateInfoKHR* pCreateInfo,
 426                                 const VkAllocationCallbacks* pAllocator,
 427                                 struct anv_swapchain **swapchain);
 428
 429 VkResult anv_CreateWaylandSurfaceKHR(
 430     VkInstance                                  _instance,
 431     const VkWaylandSurfaceCreateInfoKHR*        pCreateInfo,
 432     const VkAllocationCallbacks*                pAllocator,
 433     VkSurfaceKHR*                               pSurface)
 434 {
 435    ANV_FROM_HANDLE(anv_instance, instance, _instance);
 436
 437    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR);
 438
 439    VkIcdSurfaceWayland *surface;
 440
 441    surface = anv_alloc2(&instance->alloc, pAllocator, sizeof *surface, 8,
 442                         VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 443    if (surface == NULL)
 444       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 445
 446    surface->base.platform = VK_ICD_WSI_PLATFORM_WAYLAND;
 447    surface->display = pCreateInfo->display;
 448    surface->surface = pCreateInfo->surface;
 449
 450    *pSurface = _VkIcdSurfaceBase_to_handle(&surface->base);
 451
 452    return VK_SUCCESS;
 453 }
 454
 455 struct wsi_wl_image {
 456    struct anv_image *                           image;
 457    struct anv_device_memory *                   memory;
 458    struct wl_buffer *                           buffer;
 459    bool                                         busy;
 460 };
 461
 462 struct wsi_wl_swapchain {
 463    struct anv_swapchain                        base;
 464
 465    struct wsi_wl_display *                      display;
 466    struct wl_event_queue *                      queue;
 467    struct wl_surface *                          surface;
 468
 469    VkExtent2D                                   extent;
 470    VkFormat                                     vk_format;
 471    uint32_t                                     drm_format;
 472
 473    VkPresentModeKHR                             present_mode;
 474    bool                                         fifo_ready;
 475
 476    uint32_t                                     image_count;
 477    struct wsi_wl_image                          images[0];
 478 };
 479
 480 static VkResult
 481 wsi_wl_swapchain_get_images(struct anv_swapchain *anv_chain,
 482                             uint32_t *pCount, VkImage *pSwapchainImages)
 483 {
 484    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 485
 486    if (pSwapchainImages == NULL) {
 487       *pCount = chain->image_count;
 488       return VK_SUCCESS;
 489    }
 490
 491    assert(chain->image_count <= *pCount);
 492    for (uint32_t i = 0; i < chain->image_count; i++)
 493       pSwapchainImages[i] = anv_image_to_handle(chain->images[i].image);
 494
 495    *pCount = chain->image_count;
 496
 497    return VK_SUCCESS;
 498 }
 499
 500 static VkResult
 501 wsi_wl_swapchain_acquire_next_image(struct anv_swapchain *anv_chain,
 502                                     uint64_t timeout,
 503                                     VkSemaphore semaphore,
 504                                     uint32_t *image_index)
 505 {
 506    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 507
 508    int ret = wl_display_dispatch_queue_pending(chain->display->display,
 509                                                chain->queue);
 510    /* XXX: I'm not sure if out-of-date is the right error here.  If
 511     * wl_display_dispatch_queue_pending fails it most likely means we got
 512     * kicked by the server so this seems more-or-less correct.
 513     */
 514    if (ret < 0)
 515       return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 516
 517    while (1) {
 518       for (uint32_t i = 0; i < chain->image_count; i++) {
 519          if (!chain->images[i].busy) {
 520             /* We found a non-busy image */
 521             *image_index = i;
 522             return VK_SUCCESS;
 523          }
 524       }
 525
 526       /* This time we do a blocking dispatch because we can't go
 527        * anywhere until we get an event.
 528        */
 529       int ret = wl_display_roundtrip_queue(chain->display->display,
 530                                            chain->queue);
 531       if (ret < 0)
 532          return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 533    }
 534 }
 535
 536 static void
 537 frame_handle_done(void *data, struct wl_callback *callback, uint32_t serial)
 538 {
 539    struct wsi_wl_swapchain *chain = data;
 540
 541    chain->fifo_ready = true;
 542
 543    wl_callback_destroy(callback);
 544 }
 545
 546 static const struct wl_callback_listener frame_listener = {
 547    frame_handle_done,
 548 };
 549
 550 static VkResult
 551 wsi_wl_swapchain_queue_present(struct anv_swapchain *anv_chain,
 552                                struct anv_queue *queue,
 553                                uint32_t image_index)
 554 {
 555    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 556
 557    if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
 558       while (!chain->fifo_ready) {
 559          int ret = wl_display_dispatch_queue(chain->display->display,
 560                                              chain->queue);
 561          if (ret < 0)
 562             return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
 563       }
 564    }
 565
 566    assert(image_index < chain->image_count);
 567    wl_surface_attach(chain->surface, chain->images[image_index].buffer, 0, 0);
 568    wl_surface_damage(chain->surface, 0, 0, INT32_MAX, INT32_MAX);
 569
 570    if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
 571       struct wl_callback *frame = wl_surface_frame(chain->surface);
 572       wl_proxy_set_queue((struct wl_proxy *)frame, chain->queue);
 573       wl_callback_add_listener(frame, &frame_listener, chain);
 574       chain->fifo_ready = false;
 575    }
 576
 577    chain->images[image_index].busy = true;
 578    wl_surface_commit(chain->surface);
 579    wl_display_flush(chain->display->display);
 580
 581    return VK_SUCCESS;
 582 }
 583
 584 static void
 585 wsi_wl_image_finish(struct wsi_wl_swapchain *chain, struct wsi_wl_image *image,
 586                     const VkAllocationCallbacks* pAllocator)
 587 {
 588    VkDevice vk_device = anv_device_to_handle(chain->base.device);
 589    anv_FreeMemory(vk_device, anv_device_memory_to_handle(image->memory),
 590                   pAllocator);
 591    anv_DestroyImage(vk_device, anv_image_to_handle(image->image),
 592                     pAllocator);
 593 }
 594
 595 static void
 596 buffer_handle_release(void *data, struct wl_buffer *buffer)
 597 {
 598    struct wsi_wl_image *image = data;
 599
 600    assert(image->buffer == buffer);
 601
 602    image->busy = false;
 603 }
 604
 605 static const struct wl_buffer_listener buffer_listener = {
 606    buffer_handle_release,
 607 };
 608
 609 static VkResult
 610 wsi_wl_image_init(struct wsi_wl_swapchain *chain, struct wsi_wl_image *image,
 611                   const VkAllocationCallbacks* pAllocator)
 612 {
 613    VkDevice vk_device = anv_device_to_handle(chain->base.device);
 614    VkResult result;
 615
 616    VkImage vk_image;
 617    result = anv_image_create(vk_device,
 618       &(struct anv_image_create_info) {
 619          .isl_tiling_flags = ISL_TILING_X_BIT,
 620          .stride = 0,
 621          .vk_info =
 622       &(VkImageCreateInfo) {
 623          .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
 624          .imageType = VK_IMAGE_TYPE_2D,
 625          .format = chain->vk_format,
 626          .extent = {
 627             .width = chain->extent.width,
 628             .height = chain->extent.height,
 629             .depth = 1
 630          },
 631          .mipLevels = 1,
 632          .arrayLayers = 1,
 633          .samples = 1,
 634          /* FIXME: Need a way to use X tiling to allow scanout */
 635          .tiling = VK_IMAGE_TILING_OPTIMAL,
 636          .usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
 637          .flags = 0,
 638       }},
 639       pAllocator,
 640       &vk_image);
 641
 642    if (result != VK_SUCCESS)
 643       return result;
 644
 645    image->image = anv_image_from_handle(vk_image);
 646    assert(vk_format_is_color(image->image->vk_format));
 647
 648    struct anv_surface *surface = &image->image->color_surface;
 649
 650    VkDeviceMemory vk_memory;
 651    result = anv_AllocateMemory(vk_device,
 652       &(VkMemoryAllocateInfo) {
 653          .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
 654          .allocationSize = image->image->size,
 655          .memoryTypeIndex = 0,
 656       },
 657       pAllocator,
 658       &vk_memory);
 659
 660    if (result != VK_SUCCESS)
 661       goto fail_image;
 662
 663    image->memory = anv_device_memory_from_handle(vk_memory);
 664    image->memory->bo.is_winsys_bo = true;
 665
 666    result = anv_BindImageMemory(vk_device, vk_image, vk_memory, 0);
 667
 668    if (result != VK_SUCCESS)
 669       goto fail_mem;
 670
 671    int ret = anv_gem_set_tiling(chain->base.device,
 672                                 image->memory->bo.gem_handle,
 673                                 surface->isl.row_pitch, I915_TILING_X);
 674    if (ret) {
 675       /* FINISHME: Choose a better error. */
 676       result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
 677       goto fail_mem;
 678    }
 679
 680    int fd = anv_gem_handle_to_fd(chain->base.device,
 681                                  image->memory->bo.gem_handle);
 682    if (fd == -1) {
 683       /* FINISHME: Choose a better error. */
 684       result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
 685       goto fail_mem;
 686    }
 687
 688    image->buffer = wl_drm_create_prime_buffer(chain->display->drm,
 689                                               fd, /* name */
 690                                               chain->extent.width,
 691                                               chain->extent.height,
 692                                               chain->drm_format,
 693                                               surface->offset,
 694                                               surface->isl.row_pitch,
 695                                               0, 0, 0, 0 /* unused */);
 696    wl_display_roundtrip(chain->display->display);
 697    close(fd);
 698
 699    wl_proxy_set_queue((struct wl_proxy *)image->buffer, chain->queue);
 700    wl_buffer_add_listener(image->buffer, &buffer_listener, image);
 701
 702    return VK_SUCCESS;
 703
 704 fail_mem:
 705    anv_FreeMemory(vk_device, vk_memory, pAllocator);
 706 fail_image:
 707    anv_DestroyImage(vk_device, vk_image, pAllocator);
 708
 709    return result;
 710 }
 711
 712 static VkResult
 713 wsi_wl_swapchain_destroy(struct anv_swapchain *anv_chain,
 714                          const VkAllocationCallbacks *pAllocator)
 715 {
 716    struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
 717
 718    for (uint32_t i = 0; i < chain->image_count; i++) {
 719       if (chain->images[i].buffer)
 720          wsi_wl_image_finish(chain, &chain->images[i], pAllocator);
 721    }
 722
 723    anv_free2(&chain->base.device->alloc, pAllocator, chain);
 724
 725    return VK_SUCCESS;
 726 }
 727
 728 static VkResult
 729 wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
 730                                 struct anv_device *device,
 731                                 const VkSwapchainCreateInfoKHR* pCreateInfo,
 732                                 const VkAllocationCallbacks* pAllocator,
 733                                 struct anv_swapchain **swapchain_out)
 734 {
 735    VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
 736    struct wsi_wl_swapchain *chain;
 737    VkResult result;
 738
 739    assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
 740
 741    int num_images = pCreateInfo->minImageCount;
 742
 743    assert(num_images >= MIN_NUM_IMAGES);
 744
 745    /* For true mailbox mode, we need at least 4 images:
 746     *  1) One to scan out from
 747     *  2) One to have queued for scan-out
 748     *  3) One to be currently held by the Wayland compositor
 749     *  4) One to render to
 750     */
 751    if (pCreateInfo->presentMode == VK_PRESENT_MODE_MAILBOX_KHR)
 752       num_images = MAX2(num_images, 4);
 753
 754    size_t size = sizeof(*chain) + num_images * sizeof(chain->images[0]);
 755    chain = anv_alloc2(&device->alloc, pAllocator, size, 8,
 756                       VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 757    if (chain == NULL)
 758       return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 759
 760    chain->base.device = device;
 761    chain->base.destroy = wsi_wl_swapchain_destroy;
 762    chain->base.get_images = wsi_wl_swapchain_get_images;
 763    chain->base.acquire_next_image = wsi_wl_swapchain_acquire_next_image;
 764    chain->base.queue_present = wsi_wl_swapchain_queue_present;
 765
 766    chain->surface = surface->surface;
 767    chain->extent = pCreateInfo->imageExtent;
 768    chain->vk_format = pCreateInfo->imageFormat;
 769    chain->drm_format = wl_drm_format_for_vk_format(chain->vk_format, false);
 770
 771    chain->present_mode = pCreateInfo->presentMode;
 772    chain->fifo_ready = true;
 773
 774    chain->image_count = num_images;
 775
 776    /* Mark a bunch of stuff as NULL.  This way we can just call
 777     * destroy_swapchain for cleanup.
 778     */
 779    for (uint32_t i = 0; i < chain->image_count; i++)
 780       chain->images[i].buffer = NULL;
 781    chain->queue = NULL;
 782
 783    chain->display = wsi_wl_get_display(&device->instance->physicalDevice,
 784                                        surface->display);
 785    if (!chain->display)
 786       goto fail;
 787
 788    chain->queue = wl_display_create_queue(chain->display->display);
 789    if (!chain->queue)
 790       goto fail;
 791
 792    for (uint32_t i = 0; i < chain->image_count; i++) {
 793       result = wsi_wl_image_init(chain, &chain->images[i], pAllocator);
 794       if (result != VK_SUCCESS)
 795          goto fail;
 796       chain->images[i].busy = false;
 797    }
 798
 799    *swapchain_out = &chain->base;
 800
 801    return VK_SUCCESS;
 802
 803 fail:
 804    wsi_wl_swapchain_destroy(&chain->base, pAllocator);
 805
 806    return result;
 807 }
 808
 809 VkResult
 810 anv_wl_init_wsi(struct anv_physical_device *device)
 811 {
 812    struct wsi_wayland *wsi;
 813    VkResult result;
 814
 815    wsi = anv_alloc(&device->instance->alloc, sizeof(*wsi), 8,
 816                    VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
 817    if (!wsi) {
 818       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 819       goto fail;
 820    }
 821
 822    wsi->physical_device = device;
 823
 824    int ret = pthread_mutex_init(&wsi->mutex, NULL);
 825    if (ret != 0) {
 826       if (ret == ENOMEM) {
 827          result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 828       } else {
 829          /* FINISHME: Choose a better error. */
 830          result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 831       }
 832
 833       goto fail_alloc;
 834    }
 835
 836    wsi->displays = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
 837                                            _mesa_key_pointer_equal);
 838    if (!wsi->displays) {
 839       result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 840       goto fail_mutex;
 841    }
 842
 843    wsi->base.get_support = wsi_wl_surface_get_support;
 844    wsi->base.get_capabilities = wsi_wl_surface_get_capabilities;
 845    wsi->base.get_formats = wsi_wl_surface_get_formats;
 846    wsi->base.get_present_modes = wsi_wl_surface_get_present_modes;
 847    wsi->base.create_swapchain = wsi_wl_surface_create_swapchain;
 848
 849    device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = &wsi->base;
 850
 851    return VK_SUCCESS;
 852
 853 fail_mutex:
 854    pthread_mutex_destroy(&wsi->mutex);
 855
 856 fail_alloc:
 857    anv_free(&device->instance->alloc, wsi);
 858 fail:
 859    device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = NULL;
 860
 861    return result;
 862 }
 863
 864 void
 865 anv_wl_finish_wsi(struct anv_physical_device *device)
 866 {
 867    struct wsi_wayland *wsi =
 868       (struct wsi_wayland *)device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
 869
 870    if (wsi) {
 871       _mesa_hash_table_destroy(wsi->displays, NULL);
 872
 873       pthread_mutex_destroy(&wsi->mutex);
 874
 875       anv_free(&device->instance->alloc, wsi);
 876    }
 877 }