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// Copyright 2019 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef DAWNNATIVE_VULKAN_EXTERNALSEMAPHORE_SERVICE_H_
#define DAWNNATIVE_VULKAN_EXTERNALSEMAPHORE_SERVICE_H_
#include "common/vulkan_platform.h"
#include "dawn_native/Error.h"
#include "dawn_native/vulkan/ExternalHandle.h"
#include "dawn_native/vulkan/VulkanFunctions.h"
#include "dawn_native/vulkan/VulkanInfo.h"
namespace dawn_native { namespace vulkan {
class Device;
}} // namespace dawn_native::vulkan
namespace dawn_native { namespace vulkan { namespace external_semaphore {
class Service {
public:
explicit Service(Device* device);
~Service();
static bool CheckSupport(const VulkanDeviceInfo& deviceInfo,
VkPhysicalDevice physicalDevice,
const VulkanFunctions& fn);
// True if the device reports it supports this feature
bool Supported();
// Given an external handle, import it into a VkSemaphore
ResultOrError<VkSemaphore> ImportSemaphore(ExternalSemaphoreHandle handle);
// Create a VkSemaphore that is exportable into an external handle later
ResultOrError<VkSemaphore> CreateExportableSemaphore();
// Export a VkSemaphore into an external handle
ResultOrError<ExternalSemaphoreHandle> ExportSemaphore(VkSemaphore semaphore);
private:
Device* mDevice = nullptr;
// True if early checks pass that determine if the service is supported
bool mSupported = false;
};
}}} // namespace dawn_native::vulkan::external_semaphore
#endif // DAWNNATIVE_VULKAN_EXTERNALSEMAPHORE_SERVICE_H_