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/*
* Copyright (C) 2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/helpers/heap_assigner.h"
#include "shared/source/helpers/api_specific_config.h"
#include "shared/source/helpers/hw_info.h"
#include "shared/source/memory_manager/memory_manager.h"
namespace NEO {
HeapAssigner::HeapAssigner() {
apiAllowExternalHeapForSshAndDsh = ApiSpecificConfig::getHeapConfiguration();
}
bool HeapAssigner::useInternal32BitHeap(GraphicsAllocation::AllocationType allocType) {
return allocType == GraphicsAllocation::AllocationType::KERNEL_ISA ||
allocType == GraphicsAllocation::AllocationType::INTERNAL_HEAP ||
allocType == GraphicsAllocation::AllocationType::DEBUG_MODULE_AREA;
}
bool HeapAssigner::use32BitHeap(GraphicsAllocation::AllocationType allocType) {
return useExternal32BitHeap(allocType) || useInternal32BitHeap(allocType);
}
HeapIndex HeapAssigner::get32BitHeapIndex(GraphicsAllocation::AllocationType allocType, bool useLocalMem, const HardwareInfo &hwInfo, bool useFrontWindow) {
if (useInternal32BitHeap(allocType)) {
return useFrontWindow ? mapInternalWindowIndex(MemoryManager::selectInternalHeap(useLocalMem)) : MemoryManager::selectInternalHeap(useLocalMem);
}
return useFrontWindow ? mapExternalWindowIndex(MemoryManager::selectExternalHeap(useLocalMem)) : MemoryManager::selectExternalHeap(useLocalMem);
}
bool HeapAssigner::useExternal32BitHeap(GraphicsAllocation::AllocationType allocType) {
if (apiAllowExternalHeapForSshAndDsh) {
return allocType == GraphicsAllocation::AllocationType::LINEAR_STREAM;
}
return false;
}
bool HeapAssigner::heapTypeWithFrontWindowPool(HeapIndex heap) {
return heap == HeapIndex::HEAP_EXTERNAL_DEVICE_MEMORY || heap == HeapIndex::HEAP_EXTERNAL;
}
HeapIndex HeapAssigner::mapExternalWindowIndex(HeapIndex index) {
auto retIndex = HeapIndex::TOTAL_HEAPS;
switch (index) {
case HeapIndex::HEAP_EXTERNAL:
retIndex = HeapIndex::HEAP_EXTERNAL_FRONT_WINDOW;
break;
case HeapIndex::HEAP_EXTERNAL_DEVICE_MEMORY:
retIndex = HeapIndex::HEAP_EXTERNAL_DEVICE_FRONT_WINDOW;
break;
default:
UNRECOVERABLE_IF(true);
break;
};
return retIndex;
}
HeapIndex HeapAssigner::mapInternalWindowIndex(HeapIndex index) {
auto retIndex = HeapIndex::TOTAL_HEAPS;
switch (index) {
case HeapIndex::HEAP_INTERNAL:
retIndex = HeapIndex::HEAP_INTERNAL_FRONT_WINDOW;
break;
case HeapIndex::HEAP_INTERNAL_DEVICE_MEMORY:
retIndex = HeapIndex::HEAP_INTERNAL_DEVICE_FRONT_WINDOW;
break;
default:
UNRECOVERABLE_IF(true);
break;
};
return retIndex;
}
bool HeapAssigner::isInternalHeap(HeapIndex heap) {
return heap == HeapIndex::HEAP_INTERNAL_DEVICE_MEMORY || heap == HeapIndex::HEAP_INTERNAL;
}
} // namespace NEO
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