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
|
/*
* Copyright (C) 2025 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/memory_manager/graphics_allocation.h"
#include <mutex>
namespace NEO {
class SharedPoolAllocation {
public:
SharedPoolAllocation(GraphicsAllocation *graphicsAllocation, size_t offset, size_t size, std::mutex *mtx)
: graphicsAllocation(graphicsAllocation), offset(offset), size(size), mtx(mtx){};
explicit SharedPoolAllocation(GraphicsAllocation *graphicsAllocation)
: graphicsAllocation(graphicsAllocation), offset(0u), size(graphicsAllocation ? graphicsAllocation->getUnderlyingBufferSize() : 0u), mtx(nullptr){};
GraphicsAllocation *getGraphicsAllocation() const {
return graphicsAllocation;
}
size_t getOffset() const {
return offset;
}
size_t getSize() const {
return size;
}
uint64_t getGpuAddress() const {
UNRECOVERABLE_IF(graphicsAllocation == nullptr);
return graphicsAllocation->getGpuAddress() + offset;
}
uint64_t getGpuAddressToPatch() const {
UNRECOVERABLE_IF(graphicsAllocation == nullptr);
return graphicsAllocation->getGpuAddressToPatch() + offset;
}
void *getUnderlyingBuffer() const {
UNRECOVERABLE_IF(graphicsAllocation == nullptr);
return ptrOffset(graphicsAllocation->getUnderlyingBuffer(), offset);
}
std::unique_lock<std::mutex> obtainSharedAllocationLock() {
if (mtx) {
return std::unique_lock<std::mutex>(*mtx);
} else {
DEBUG_BREAK_IF(true);
return std::unique_lock<std::mutex>();
}
}
private:
GraphicsAllocation *graphicsAllocation;
const size_t offset;
const size_t size;
std::mutex *mtx; // This mutex is shared across all users of this GA
};
} // namespace NEO
|
