// Copyright 2019 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "gpu/vulkan/vulkan_util.h" #include "base/logging.h" #include "gpu/vulkan/vulkan_function_pointers.h" namespace gpu { VkSemaphore ImportVkSemaphoreHandle(VkDevice vk_device, SemaphoreHandle handle) { auto handle_type = handle.vk_handle_type(); if (!handle.is_valid() || (handle_type != VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT && handle_type != VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT)) { return VK_NULL_HANDLE; } VkSemaphore semaphore = VK_NULL_HANDLE; VkSemaphoreCreateInfo info = {VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO}; VkResult result = vkCreateSemaphore(vk_device, &info, nullptr, &semaphore); if (result != VK_SUCCESS) return VK_NULL_HANDLE; base::ScopedFD fd = handle.TakeHandle(); const auto is_sync_fd = handle_type == VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT; const VkImportSemaphoreFdInfoKHR import = { .sType = VK_STRUCTURE_TYPE_IMPORT_SEMAPHORE_FD_INFO_KHR, .semaphore = semaphore, .flags = is_sync_fd ? VK_SEMAPHORE_IMPORT_TEMPORARY_BIT_KHR : VkSemaphoreImportFlags{0}, .handleType = handle_type, .fd = fd.release(), }; result = vkImportSemaphoreFdKHR(vk_device, &import); if (result != VK_SUCCESS) { DLOG(ERROR) << "vkImportSemaphoreFdKHR failed: " << result; vkDestroySemaphore(vk_device, semaphore, nullptr); // If import failed, we need to close fd manually. base::ScopedFD close_fd(import.fd); return VK_NULL_HANDLE; } return semaphore; } SemaphoreHandle GetVkSemaphoreHandle( VkDevice vk_device, VkSemaphore vk_semaphore, VkExternalSemaphoreHandleTypeFlagBits handle_type) { VkSemaphoreGetFdInfoKHR info = {VK_STRUCTURE_TYPE_SEMAPHORE_GET_FD_INFO_KHR}; info.semaphore = vk_semaphore; info.handleType = handle_type; int fd = -1; VkResult result = vkGetSemaphoreFdKHR(vk_device, &info, &fd); if (result != VK_SUCCESS) { DLOG(ERROR) << "vkGetSemaphoreFdKHR failed: " << result; return SemaphoreHandle(); } return SemaphoreHandle(handle_type, base::ScopedFD(fd)); } } // namespace gpu