blob: 300f56000064c57ff03ae0e5bbd4f6e7d6ae8c94 (
plain)
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
|
//
// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
#pragma once
#include <cstddef>
#include <memory>
#include <armnn/MemorySources.hpp>
#include <armnn/utility/IgnoreUnused.hpp>
namespace armnn
{
/** Default Memory Allocator class returned from IBackendInternal::GetDefaultAllocator(MemorySource) */
class ClBackendDefaultAllocator : public armnn::ICustomAllocator
{
public:
ClBackendDefaultAllocator() = default;
void* allocate(size_t size, size_t alignment = 0) override
{
IgnoreUnused(alignment);
cl_mem buf{ clCreateBuffer(arm_compute::CLScheduler::get().context().get(),
CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE,
size,
nullptr,
nullptr)};
return static_cast<void *>(buf);
}
void free(void* ptr) override
{
ARM_COMPUTE_ERROR_ON(ptr == nullptr);
clReleaseMemObject(static_cast<cl_mem>(ptr));
}
armnn::MemorySource GetMemorySourceType() override
{
return armnn::MemorySource::Gralloc;
}
void* GetMemoryRegionAtOffset(void* buffer, size_t offset, size_t alignment = 0) override
{
IgnoreUnused(alignment);
return static_cast<char*>(buffer) + offset;
}
};
} // namespace armnn
|
