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82bc594af0
Related-To: NEO-2712 Change-Id: If1d16d9d626871a9dc4b19282f9edc5786ffa398 Signed-off-by: Filip Hazubski <filip.hazubski@intel.com>
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
/*
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* Copyright (C) 2019 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 "core/program/sync_buffer_handler.h"
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#include "core/memory_manager/graphics_allocation.h"
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#include "runtime/command_stream/command_stream_receiver.h"
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#include "runtime/kernel/kernel.h"
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#include "runtime/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::prepareForEnqueue(size_t workGroupsCount, Kernel &kernel, CommandStreamReceiver &csr) {
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auto requiredSize = workGroupsCount;
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std::lock_guard<std::mutex> guard(this->mutex);
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bool isCurrentBufferFull = (usedBufferSize + requiredSize > bufferSize);
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if (isCurrentBufferFull) {
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memoryManager.checkGpuUsageAndDestroyGraphicsAllocations(graphicsAllocation);
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allocateNewBuffer();
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usedBufferSize = 0;
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}
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kernel.patchSyncBuffer(device, graphicsAllocation, usedBufferSize);
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csr.makeResident(*graphicsAllocation);
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usedBufferSize += requiredSize;
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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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GraphicsAllocation::AllocationType::LINEAR_STREAM,
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false, false, static_cast<uint32_t>(device.getDeviceBitfield().to_ulong())};
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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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