xref: /aosp_15_r20/external/ComputeLibrary/src/cpu/CpuTensor.cpp (revision c217d954acce2dbc11938adb493fc0abd69584f3)
1 /*
2  * Copyright (c) 2021 Arm Limited.
3  *
4  * SPDX-License-Identifier: MIT
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in all
14  * copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
24 #include "src/cpu/CpuTensor.h"
25 
26 #include "src/common/utils/LegacySupport.h"
27 
28 namespace arm_compute
29 {
30 namespace cpu
31 {
CpuTensor(IContext * ctx,const AclTensorDescriptor & desc)32 CpuTensor::CpuTensor(IContext *ctx, const AclTensorDescriptor &desc)
33     : ITensorV2(ctx), _legacy_tensor()
34 {
35     ARM_COMPUTE_ASSERT((ctx != nullptr) && (ctx->type() == Target::Cpu));
36     _legacy_tensor = std::make_unique<Tensor>();
37     _legacy_tensor->allocator()->init(arm_compute::detail::convert_to_legacy_tensor_info(desc));
38 }
39 
map()40 void *CpuTensor::map()
41 {
42     ARM_COMPUTE_ASSERT(_legacy_tensor.get() != nullptr);
43 
44     if(_legacy_tensor == nullptr)
45     {
46         ARM_COMPUTE_LOG_ERROR_ACL("[CpuTensor:map]: Backing tensor does not exist!");
47         return nullptr;
48     }
49     return _legacy_tensor->buffer();
50 }
51 
allocate()52 StatusCode CpuTensor::allocate()
53 {
54     ARM_COMPUTE_ASSERT(_legacy_tensor.get() != nullptr);
55 
56     _legacy_tensor->allocator()->allocate();
57     return StatusCode::Success;
58 }
59 
unmap()60 StatusCode CpuTensor::unmap()
61 {
62     // No-op
63     return StatusCode::Success;
64 }
65 
import(void * handle,ImportMemoryType type)66 StatusCode CpuTensor::import(void *handle, ImportMemoryType type)
67 {
68     ARM_COMPUTE_ASSERT(_legacy_tensor.get() != nullptr);
69     ARM_COMPUTE_UNUSED(type);
70 
71     const auto st = _legacy_tensor->allocator()->import_memory(handle);
72     return bool(st) ? StatusCode::Success : StatusCode::RuntimeError;
73 }
74 
tensor() const75 arm_compute::ITensor *CpuTensor::tensor() const
76 {
77     return _legacy_tensor.get();
78 }
79 } // namespace cpu
80 } // namespace arm_compute
81