xref: /aosp_15_r20/external/ComputeLibrary/arm_compute/runtime/CL/CLMemory.h (revision c217d954acce2dbc11938adb493fc0abd69584f3)
1 /*
2  * Copyright (c) 2018-2019 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 #ifndef ARM_COMPUTE_RUNTIME_CL_CLMEMORY_H
25 #define ARM_COMPUTE_RUNTIME_CL_CLMEMORY_H
26 
27 #include "arm_compute/runtime/IMemory.h"
28 
29 #include "arm_compute/core/CL/OpenCL.h"
30 #include "arm_compute/runtime/CL/CLMemoryRegion.h"
31 
32 #include <cstddef>
33 #include <memory>
34 
35 namespace arm_compute
36 {
37 /** OpenCL implementation of memory object */
38 class CLMemory : public IMemory
39 {
40 public:
41     /** Default Constructor */
42     CLMemory();
43     /** Default Constructor
44      *
45      * @param[in] memory Memory to be imported
46      */
47     CLMemory(const std::shared_ptr<ICLMemoryRegion> &memory);
48     /** Default Constructor
49      *
50      * @note Ownership of the memory is not transferred to this object.
51      *       Thus management (allocate/free) should be done by the client.
52      *
53      * @param[in] memory Memory to be imported
54      */
55     CLMemory(ICLMemoryRegion *memory);
56     /** Allow instances of this class to be copied */
57     CLMemory(const CLMemory &) = default;
58     /** Allow instances of this class to be copy assigned */
59     CLMemory &operator=(const CLMemory &) = default;
60     /** Allow instances of this class to be moved */
61     CLMemory(CLMemory &&) noexcept = default;
62     /** Allow instances of this class to be move assigned */
63     CLMemory &operator=(CLMemory &&) noexcept = default;
64     /** OpenCL Region accessor
65      *
66      * @return Memory region
67      */
68     ICLMemoryRegion *cl_region();
69     /** OpenCL Region accessor
70      *
71      * @return Memory region
72      */
73     ICLMemoryRegion *cl_region() const;
74 
75     // Inherited methods overridden:
76     IMemoryRegion *region() final;
77     IMemoryRegion *region() const final;
78     void set_region(IMemoryRegion *region) final;
79     void set_owned_region(std::unique_ptr<IMemoryRegion> region) final;
80 
81 private:
82     ICLMemoryRegion                 *_region;
83     std::shared_ptr<ICLMemoryRegion> _region_owned;
84 };
85 } // namespace arm_compute
86 #endif /* ARM_COMPUTE_RUNTIME_CL_CLMEMORY_H */
87