/* * Copyright (c) 2017 - 2018, Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #pragma once #include "runtime/memory_manager/graphics_allocation.h" namespace OCLRT { class Context; class MemObj; enum SynchronizeStatus { SHARED_OBJECT_NOT_CHANGED, SHARED_OBJECT_REQUIRES_UPDATE, ACQUIRE_SUCCESFUL, SYNCHRONIZE_ERROR }; struct UpdateData { SynchronizeStatus synchronizationStatus; osHandle sharedHandle; MemObj *memObject = nullptr; void *updateData = nullptr; }; class SharingFunctions { public: virtual uint32_t getId() const = 0; virtual ~SharingFunctions() = default; }; class SharingHandler { public: int acquire(MemObj *memObj); void release(MemObj *memObject); virtual ~SharingHandler() = default; virtual void getMemObjectInfo(size_t ¶mValueSize, void *¶mValue){}; virtual void releaseReusedGraphicsAllocation(){}; protected: virtual int synchronizeHandler(UpdateData *updateData); virtual int validateUpdateData(UpdateData *updateData); virtual void synchronizeObject(UpdateData *updateData) { updateData->synchronizationStatus = SYNCHRONIZE_ERROR; } virtual void releaseResource(MemObj *memObject){}; unsigned int acquireCount = 0u; }; } // namespace OCLRT