68 lines
3.1 KiB
C++
68 lines
3.1 KiB
C++
/*
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* Copyright (C) 2020-2023 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/debug_settings/debug_settings_manager.h"
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#include "shared/source/device/device.h"
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#include "shared/source/helpers/bit_helpers.h"
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#include "shared/source/helpers/memory_properties_helpers.h"
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#include "shared/source/memory_manager/allocation_properties.h"
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#include "memory_properties_flags.h"
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namespace NEO {
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AllocationProperties MemoryPropertiesHelper::getAllocationProperties(
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uint32_t rootDeviceIndex, const MemoryProperties &memoryProperties, bool allocateMemory, size_t size,
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AllocationType type, bool multiStorageResource, const HardwareInfo &hwInfo,
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DeviceBitfield subDevicesBitfieldParam, bool deviceOnlyVisibilty) {
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auto deviceBitfield = adjustDeviceBitfield(rootDeviceIndex, memoryProperties, subDevicesBitfieldParam);
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AllocationProperties allocationProperties(rootDeviceIndex, allocateMemory, size, type, multiStorageResource, deviceBitfield);
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allocationProperties.flags.resource48Bit = memoryProperties.flags.resource48Bit;
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fillPoliciesInProperties(allocationProperties, memoryProperties, hwInfo, deviceOnlyVisibilty);
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return allocationProperties;
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}
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void MemoryPropertiesHelper::fillCachePolicyInProperties(AllocationProperties &allocationProperties, bool uncached, bool readOnly,
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bool deviceOnlyVisibilty, uint32_t cacheRegion) {
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allocationProperties.flags.uncacheable = uncached;
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auto cacheFlushRequired = !uncached && !readOnly && !deviceOnlyVisibilty;
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allocationProperties.flags.flushL3RequiredForRead = cacheFlushRequired;
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allocationProperties.flags.flushL3RequiredForWrite = cacheFlushRequired;
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allocationProperties.cacheRegion = cacheRegion;
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}
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DeviceBitfield MemoryPropertiesHelper::adjustDeviceBitfield(uint32_t rootDeviceIndex, const MemoryProperties &memoryProperties,
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DeviceBitfield deviceBitfieldIn) {
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if (rootDeviceIndex == memoryProperties.pDevice->getRootDeviceIndex()) {
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return deviceBitfieldIn & memoryProperties.pDevice->getDeviceBitfield();
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}
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return deviceBitfieldIn;
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}
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GraphicsAllocation::UsmInitialPlacement MemoryPropertiesHelper::getUSMInitialPlacement(const MemoryProperties &memoryProperties) {
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auto initialPlacement = GraphicsAllocation::UsmInitialPlacement::CPU;
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if (memoryProperties.allocFlags.usmInitialPlacementGpu) {
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initialPlacement = GraphicsAllocation::UsmInitialPlacement::GPU;
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}
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if (memoryProperties.allocFlags.usmInitialPlacementCpu) {
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initialPlacement = GraphicsAllocation::UsmInitialPlacement::CPU;
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}
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if (const int32_t debugFlag = debugManager.flags.UsmInitialPlacement.get(); debugFlag != -1) {
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initialPlacement = debugFlag != 1 ? GraphicsAllocation::UsmInitialPlacement::CPU : GraphicsAllocation::UsmInitialPlacement::GPU;
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}
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return initialPlacement;
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}
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void MemoryPropertiesHelper::setUSMInitialPlacement(AllocationProperties &allocationProperties, GraphicsAllocation::UsmInitialPlacement initialPlacement) {
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allocationProperties.usmInitialPlacement = initialPlacement;
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}
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} // namespace NEO
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