67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
/*
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* Copyright (c) 2017 - 2018, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "CL/cl.h"
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#include "runtime/mem_obj/mem_obj.h"
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#include "sharing.h"
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#include <memory>
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namespace OCLRT {
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int SharingHandler::acquire(MemObj *memObj) {
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if (acquireCount == 0) {
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UpdateData updateData;
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auto currentSharedHandle = memObj->getGraphicsAllocation()->peekSharedHandle();
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updateData.sharedHandle = currentSharedHandle;
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updateData.memObject = memObj;
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int result = synchronizeHandler(&updateData);
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if (result != CL_SUCCESS) {
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return result;
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}
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DEBUG_BREAK_IF(updateData.synchronizationStatus != SynchronizeStatus::ACQUIRE_SUCCESFUL);
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DEBUG_BREAK_IF(currentSharedHandle != updateData.sharedHandle);
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}
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acquireCount++;
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return CL_SUCCESS;
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}
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int SharingHandler::synchronizeHandler(UpdateData *updateData) {
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auto result = validateUpdateData(updateData);
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if (result == CL_SUCCESS) {
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synchronizeObject(updateData);
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}
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return result;
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}
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int SharingHandler::validateUpdateData(UpdateData *updateData) {
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UNRECOVERABLE_IF(updateData == nullptr);
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return CL_SUCCESS;
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}
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void SharingHandler::release(MemObj *memObject) {
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DEBUG_BREAK_IF(acquireCount <= 0);
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acquireCount--;
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if (acquireCount == 0) {
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releaseResource(memObject);
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}
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}
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}
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