42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
/*
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* Copyright (C) 2019-2022 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#include "shared/source/program/sync_buffer_handler.h"
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#include "shared/source/command_stream/command_stream_receiver.h"
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#include "shared/source/memory_manager/graphics_allocation.h"
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#include "shared/source/memory_manager/memory_manager.h"
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namespace NEO {
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SyncBufferHandler::~SyncBufferHandler() {
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memoryManager.checkGpuUsageAndDestroyGraphicsAllocations(graphicsAllocation);
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};
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SyncBufferHandler::SyncBufferHandler(Device &device)
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: device(device), memoryManager(*device.getMemoryManager()) {
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allocateNewBuffer();
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}
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void SyncBufferHandler::makeResident(CommandStreamReceiver &csr) {
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csr.makeResident(*graphicsAllocation);
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}
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void SyncBufferHandler::allocateNewBuffer() {
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AllocationProperties allocationProperties{device.getRootDeviceIndex(), true, bufferSize,
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AllocationType::LINEAR_STREAM,
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(device.getNumGenericSubDevices() > 1u), /* multiOsContextCapable */
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false, device.getDeviceBitfield()};
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graphicsAllocation = memoryManager.allocateGraphicsMemoryWithProperties(allocationProperties);
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UNRECOVERABLE_IF(graphicsAllocation == nullptr);
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auto cpuPointer = graphicsAllocation->getUnderlyingBuffer();
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std::memset(cpuPointer, 0, bufferSize);
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}
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} // namespace NEO
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