79 lines
2.6 KiB
C++
79 lines
2.6 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/helpers/heap_assigner.h"
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#include "shared/source/helpers/hw_info.h"
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#include "shared/source/memory_manager/gfx_partition.h"
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#include "shared/source/memory_manager/memory_manager.h"
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namespace NEO {
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HeapAssigner::HeapAssigner(bool allowExternalHeap) {
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apiAllowExternalHeapForSshAndDsh = allowExternalHeap;
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}
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bool HeapAssigner::useInternal32BitHeap(AllocationType allocType) {
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return GraphicsAllocation::isIsaAllocationType(allocType) ||
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allocType == AllocationType::internalHeap;
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}
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bool HeapAssigner::use32BitHeap(AllocationType allocType) {
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return useExternal32BitHeap(allocType) || useInternal32BitHeap(allocType);
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}
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HeapIndex HeapAssigner::get32BitHeapIndex(AllocationType allocType, bool useLocalMem, const HardwareInfo &hwInfo, bool useFrontWindow) {
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if (useInternal32BitHeap(allocType)) {
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return useFrontWindow ? mapInternalWindowIndex(MemoryManager::selectInternalHeap(useLocalMem)) : MemoryManager::selectInternalHeap(useLocalMem);
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}
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return useFrontWindow ? mapExternalWindowIndex(MemoryManager::selectExternalHeap(useLocalMem)) : MemoryManager::selectExternalHeap(useLocalMem);
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}
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bool HeapAssigner::useExternal32BitHeap(AllocationType allocType) {
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if (apiAllowExternalHeapForSshAndDsh) {
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return allocType == AllocationType::linearStream;
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}
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return false;
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}
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bool HeapAssigner::heapTypeExternalWithFrontWindowPool(HeapIndex heap) {
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return heap == HeapIndex::heapExternalDeviceMemory || heap == HeapIndex::heapExternal;
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}
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HeapIndex HeapAssigner::mapExternalWindowIndex(HeapIndex index) {
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auto retIndex = HeapIndex::totalHeaps;
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switch (index) {
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case HeapIndex::heapExternal:
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retIndex = HeapIndex::heapExternalFrontWindow;
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break;
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case HeapIndex::heapExternalDeviceMemory:
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retIndex = HeapIndex::heapExternalDeviceFrontWindow;
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break;
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default:
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UNRECOVERABLE_IF(true);
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break;
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};
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return retIndex;
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}
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HeapIndex HeapAssigner::mapInternalWindowIndex(HeapIndex index) {
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auto retIndex = HeapIndex::totalHeaps;
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switch (index) {
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case HeapIndex::heapInternal:
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retIndex = HeapIndex::heapInternalFrontWindow;
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break;
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case HeapIndex::heapInternalDeviceMemory:
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retIndex = HeapIndex::heapInternalDeviceFrontWindow;
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break;
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default:
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UNRECOVERABLE_IF(true);
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break;
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};
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return retIndex;
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}
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bool HeapAssigner::isInternalHeap(HeapIndex heap) {
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return heap == HeapIndex::heapInternalDeviceMemory || heap == HeapIndex::heapInternal;
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}
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} // namespace NEO
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