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// 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.
//
// This file defines some helper functions for Vulkan API.
#ifndef GPU_VULKAN_VULKAN_UTIL_H_
#define GPU_VULKAN_VULKAN_UTIL_H_
#include <vulkan/vulkan.h>
#include <memory>
#include <vector>
#include "base/containers/span.h"
#include "gpu/vulkan/vulkan_export.h"
namespace gpu {
// Submits semaphores to be signaled to the vulkan queue. Semaphores are
// signaled once this submission is executed. vk_fence is an optional handle
// to fence to be signaled once this submission completes execution.
VULKAN_EXPORT bool SubmitSignalVkSemaphores(
VkQueue vk_queue,
const base::span<VkSemaphore>& vk_semaphore,
VkFence vk_fence = VK_NULL_HANDLE);
// Submits a semaphore to be signaled to the vulkan queue. Semaphore is
// signaled once this submission is executed. vk_fence is an optional handle
// to fence to be signaled once this submission completes execution.
VULKAN_EXPORT bool SubmitSignalVkSemaphore(VkQueue vk_queue,
VkSemaphore vk_semaphore,
VkFence vk_fence = VK_NULL_HANDLE);
// Submits semaphores to be waited upon to the vulkan queue. Semaphores are
// waited on before this submission is executed. vk_fence is an optional
// handle to fence to be signaled once this submission completes execution.
VULKAN_EXPORT bool SubmitWaitVkSemaphores(
VkQueue vk_queue,
const base::span<VkSemaphore>& vk_semaphores,
VkFence vk_fence = VK_NULL_HANDLE);
// Submits a semaphore to be waited upon to the vulkan queue. Semaphore is
// waited on before this submission is executed. vk_fence is an optional
// handle to fence to be signaled once this submission completes execution.
VULKAN_EXPORT bool SubmitWaitVkSemaphore(VkQueue vk_queue,
VkSemaphore vk_semaphore,
VkFence vk_fence = VK_NULL_HANDLE);
// Creates semaphore that can be exported to external handles of the specified
// |handle_types|.
VULKAN_EXPORT VkSemaphore
CreateExternalVkSemaphore(VkDevice vk_device,
VkExternalSemaphoreHandleTypeFlags handle_types);
} // namespace gpu
#endif // GPU_VULKAN_VULKAN_UTIL_H_
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