1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* Copyright (C) 2020-2022 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(AllocationType allocType) {
return GraphicsAllocation::isIsaAllocationType(allocType) ||
allocType == AllocationType::INTERNAL_HEAP;
}
bool HeapAssigner::use32BitHeap(AllocationType allocType) {
return useExternal32BitHeap(allocType) || useInternal32BitHeap(allocType);
}
HeapIndex HeapAssigner::get32BitHeapIndex(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(AllocationType allocType) {
if (apiAllowExternalHeapForSshAndDsh) {
return allocType == AllocationType::LINEAR_STREAM;
}
return false;
}
bool HeapAssigner::heapTypeExternalWithFrontWindowPool(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
|
