- assert(chain->image_count <= *pCount);
- for (uint32_t i = 0; i < chain->image_count; i++)
- pSwapchainImages[i] = anv_image_to_handle(chain->images[i].image);
-
- *pCount = chain->image_count;
-
- return VK_SUCCESS;
-}
-
-static VkResult
-x11_handle_dri3_present_event(struct x11_swapchain *chain,
- xcb_present_generic_event_t *event)
-{
- switch (event->evtype) {
- case XCB_PRESENT_CONFIGURE_NOTIFY: {
- xcb_present_configure_notify_event_t *config = (void *) event;
-
- if (config->width != chain->extent.width ||
- config->height != chain->extent.height)
- return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
-
- break;
- }
-
- case XCB_PRESENT_EVENT_IDLE_NOTIFY: {
- xcb_present_idle_notify_event_t *idle = (void *) event;
-
- for (unsigned i = 0; i < chain->image_count; i++) {
- if (chain->images[i].pixmap == idle->pixmap) {
- chain->images[i].busy = false;
- break;
- }
- }
-
- break;
- }
-
- case XCB_PRESENT_COMPLETE_NOTIFY:
- default:
- break;
- }
-
- return VK_SUCCESS;
-}
-
-static VkResult
-x11_acquire_next_image(struct anv_swapchain *anv_chain,
- uint64_t timeout,
- VkSemaphore semaphore,
- uint32_t *image_index)
-{
- struct x11_swapchain *chain = (struct x11_swapchain *)anv_chain;
-
- while (1) {
- for (uint32_t i = 0; i < chain->image_count; i++) {
- if (!chain->images[i].busy) {
- /* We found a non-busy image */
- xshmfence_await(chain->images[i].shm_fence);
- *image_index = i;
- return VK_SUCCESS;
- }
- }
-
- xcb_flush(chain->conn);
- xcb_generic_event_t *event =
- xcb_wait_for_special_event(chain->conn, chain->special_event);
- if (!event)
- return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
-
- VkResult result = x11_handle_dri3_present_event(chain, (void *)event);
- free(event);
- if (result != VK_SUCCESS)
- return result;
- }
-}
-
-static VkResult
-x11_queue_present(struct anv_swapchain *anv_chain,
- struct anv_queue *queue,
- uint32_t image_index)
-{
- struct x11_swapchain *chain = (struct x11_swapchain *)anv_chain;
- struct x11_image *image = &chain->images[image_index];
-
- assert(image_index < chain->image_count);
-
- uint32_t options = XCB_PRESENT_OPTION_NONE;
-
- int64_t target_msc = 0;
- int64_t divisor = 0;
- int64_t remainder = 0;
-
- options |= XCB_PRESENT_OPTION_ASYNC;
-
- xshmfence_reset(image->shm_fence);
-
- xcb_void_cookie_t cookie =
- xcb_present_pixmap(chain->conn,
- chain->window,
- image->pixmap,
- (uint32_t) chain->send_sbc,
- 0, /* valid */
- 0, /* update */
- 0, /* x_off */
- 0, /* y_off */
- XCB_NONE, /* target_crtc */
- XCB_NONE,
- image->sync_fence,
- options,
- target_msc,
- divisor,
- remainder, 0, NULL);
- xcb_discard_reply(chain->conn, cookie.sequence);
- image->busy = true;
-
- xcb_flush(chain->conn);
-
- return VK_SUCCESS;
-}
-
-static VkResult
-x11_image_init(struct anv_device *device, struct x11_swapchain *chain,
- const VkSwapchainCreateInfoKHR *pCreateInfo,
- const VkAllocationCallbacks* pAllocator,
- struct x11_image *image)
-{
- xcb_void_cookie_t cookie;
- VkResult result;
-
- VkImage image_h;
- result = anv_image_create(anv_device_to_handle(device),
- &(struct anv_image_create_info) {
- .isl_tiling_flags = ISL_TILING_X_BIT,
- .stride = 0,
- .vk_info =
- &(VkImageCreateInfo) {
- .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
- .imageType = VK_IMAGE_TYPE_2D,
- .format = pCreateInfo->imageFormat,
- .extent = {
- .width = pCreateInfo->imageExtent.width,
- .height = pCreateInfo->imageExtent.height,
- .depth = 1
- },
- .mipLevels = 1,
- .arrayLayers = 1,
- .samples = 1,
- /* FIXME: Need a way to use X tiling to allow scanout */
- .tiling = VK_IMAGE_TILING_OPTIMAL,
- .usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
- .flags = 0,
- }},
- NULL,
- &image_h);
- if (result != VK_SUCCESS)
- return result;
-
- image->image = anv_image_from_handle(image_h);
- assert(anv_format_is_color(image->image->format));
-
- VkDeviceMemory memory_h;
- result = anv_AllocateMemory(anv_device_to_handle(device),
- &(VkMemoryAllocateInfo) {
- .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO,
- .allocationSize = image->image->size,
- .memoryTypeIndex = 0,
- },
- NULL /* XXX: pAllocator */,
- &memory_h);
- if (result != VK_SUCCESS)
- goto fail_create_image;
-
- image->memory = anv_device_memory_from_handle(memory_h);
- image->memory->bo.is_winsys_bo = true;
-
- anv_BindImageMemory(VK_NULL_HANDLE, image_h, memory_h, 0);
-
- struct anv_surface *surface = &image->image->color_surface;
- assert(surface->isl.tiling == ISL_TILING_X);
-
- int ret = anv_gem_set_tiling(device, image->memory->bo.gem_handle,
- surface->isl.row_pitch, I915_TILING_X);
- if (ret) {
- /* FINISHME: Choose a better error. */
- result = vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY,
- "set_tiling failed: %m");
- goto fail_alloc_memory;
- }
-
- int fd = anv_gem_handle_to_fd(device, image->memory->bo.gem_handle);
- if (fd == -1) {
- /* FINISHME: Choose a better error. */
- result = vk_errorf(VK_ERROR_OUT_OF_DEVICE_MEMORY,
- "handle_to_fd failed: %m");
- goto fail_alloc_memory;
- }
-
- uint32_t bpp = 32;
- uint32_t depth = 24;
- image->pixmap = xcb_generate_id(chain->conn);
-
- cookie =
- xcb_dri3_pixmap_from_buffer_checked(chain->conn,
- image->pixmap,
- chain->window,
- image->image->size,
- pCreateInfo->imageExtent.width,
- pCreateInfo->imageExtent.height,
- surface->isl.row_pitch,
- depth, bpp, fd);
- xcb_discard_reply(chain->conn, cookie.sequence);
-
- int fence_fd = xshmfence_alloc_shm();
- if (fence_fd < 0)
- goto fail_pixmap;
-
- image->shm_fence = xshmfence_map_shm(fence_fd);
- if (image->shm_fence == NULL)
- goto fail_shmfence_alloc;
-
- image->sync_fence = xcb_generate_id(chain->conn);
- xcb_dri3_fence_from_fd(chain->conn,
- image->pixmap,
- image->sync_fence,
- false,
- fence_fd);
-
- image->busy = false;
- xshmfence_trigger(image->shm_fence);
-
- return VK_SUCCESS;
-
-fail_shmfence_alloc:
- close(fence_fd);
-
-fail_pixmap:
- cookie = xcb_free_pixmap(chain->conn, image->pixmap);
- xcb_discard_reply(chain->conn, cookie.sequence);
-
-fail_alloc_memory:
- anv_FreeMemory(anv_device_to_handle(chain->base.device),
- anv_device_memory_to_handle(image->memory), pAllocator);
-
-fail_create_image:
- anv_DestroyImage(anv_device_to_handle(chain->base.device),
- anv_image_to_handle(image->image), pAllocator);
-
- return result;
-}
-
-static void
-x11_image_finish(struct x11_swapchain *chain,
- const VkAllocationCallbacks* pAllocator,
- struct x11_image *image)
-{
- xcb_void_cookie_t cookie;
-
- cookie = xcb_sync_destroy_fence(chain->conn, image->sync_fence);
- xcb_discard_reply(chain->conn, cookie.sequence);
- xshmfence_unmap_shm(image->shm_fence);
-
- cookie = xcb_free_pixmap(chain->conn, image->pixmap);
- xcb_discard_reply(chain->conn, cookie.sequence);
-
- anv_DestroyImage(anv_device_to_handle(chain->base.device),
- anv_image_to_handle(image->image), pAllocator);
-
- anv_FreeMemory(anv_device_to_handle(chain->base.device),
- anv_device_memory_to_handle(image->memory), pAllocator);
-}
-
-static VkResult
-x11_swapchain_destroy(struct anv_swapchain *anv_chain,
- const VkAllocationCallbacks *pAllocator)
-{
- struct x11_swapchain *chain = (struct x11_swapchain *)anv_chain;
-
- for (uint32_t i = 0; i < chain->image_count; i++)
- x11_image_finish(chain, pAllocator, &chain->images[i]);
-
- xcb_unregister_for_special_event(chain->conn, chain->special_event);
-
- anv_free2(&chain->base.device->alloc, pAllocator, chain);
-
- return VK_SUCCESS;