| // Copyright 2023 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 SRC_DAWN_NATIVE_VULKAN_EXTERNAL_SEMAPHORE_SEMAPHORESERVICEIMPLEMENTATION_H_ |
| #define SRC_DAWN_NATIVE_VULKAN_EXTERNAL_SEMAPHORE_SEMAPHORESERVICEIMPLEMENTATION_H_ |
| |
| #include "dawn/native/Error.h" |
| #include "dawn/native/vulkan/ExternalHandle.h" |
| |
| namespace dawn::native::vulkan { |
| class Device; |
| } // namespace dawn::native::vulkan |
| |
| namespace dawn::native::vulkan::external_semaphore { |
| |
| class ServiceImplementation { |
| public: |
| explicit ServiceImplementation(Device* device); |
| virtual ~ServiceImplementation(); |
| |
| // True if the device reports it supports this feature |
| virtual bool Supported() = 0; |
| |
| // Given an external handle, import it into a VkSemaphore |
| virtual ResultOrError<VkSemaphore> ImportSemaphore(ExternalSemaphoreHandle handle) = 0; |
| |
| // Create a VkSemaphore that is exportable into an external handle later |
| virtual ResultOrError<VkSemaphore> CreateExportableSemaphore() = 0; |
| |
| // Export a VkSemaphore into an external handle |
| virtual ResultOrError<ExternalSemaphoreHandle> ExportSemaphore(VkSemaphore semaphore) = 0; |
| |
| // Duplicate a new external handle from the given one. |
| virtual ExternalSemaphoreHandle DuplicateHandle(ExternalSemaphoreHandle handle) = 0; |
| |
| // Close external handle to release it. |
| virtual void CloseHandle(ExternalSemaphoreHandle handle) = 0; |
| |
| protected: |
| Device* mDevice = nullptr; |
| }; |
| |
| } // namespace dawn::native::vulkan::external_semaphore |
| |
| #endif // SRC_DAWN_NATIVE_VULKAN_EXTERNAL_SEMAPHORE_SEMAPHORESERVICEIMPLEMENTATION_H_ |