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1 /*
2  * Copyright (c) 2016-2021 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 #ifndef ARM_COMPUTE_NEDEPTHCONVERT_H
25 #define ARM_COMPUTE_NEDEPTHCONVERT_H
26 
27 #include "arm_compute/runtime/IFunction.h"
28 
29 #include "arm_compute/core/Types.h"
30 
31 #include <memory>
32 
33 namespace arm_compute
34 {
35 class ITensor;
36 class ITensorInfo;
37 
38 /**Basic function to run @ref cpu::kernels::CpuCastKernel */
39 class NEDepthConvertLayer : public IFunction
40 {
41 public:
42     /** Constructor */
43     NEDepthConvertLayer();
44     /** Destructor */
45     ~NEDepthConvertLayer();
46     /** Prevent instances of this class from being copied (As this class contains pointers) */
47     NEDepthConvertLayer(const NEDepthConvertLayer &) = delete;
48     /** Default move constructor */
49     NEDepthConvertLayer(NEDepthConvertLayer &&);
50     /** Prevent instances of this class from being copied (As this class contains pointers) */
51     NEDepthConvertLayer &operator=(const NEDepthConvertLayer &) = delete;
52     /** Default move assignment operator */
53     NEDepthConvertLayer &operator=(NEDepthConvertLayer &&);
54     /** Initialize the function's source, destination
55      *
56      * Valid data layouts:
57      * - All
58      *
59      * Valid data type configurations:
60      * |src            |dst                        |
61      * |:--------------|:--------------------------|
62      * |QASYMM8        | F16, F32                  |
63      * |U8             | U16, S16, S32             |
64      * |U16            | U8, U32                   |
65      * |S16            | U8, S32                   |
66      * |BFLOAT16       | F32                       |
67      * |F16            | QASYMM8, F32              |
68      * |F32            | QASYMM8, F16, BFLOAT16    |
69      *
70      * Input data type must be different than output data type.
71      *
72      * @param[in]  input  The input tensor to convert. Data types supported: QASYMM8/U8/U16/S16/BFLOAT16/F16/F32.
73      * @param[out] output The output tensor. Data types supported: QASYMM8/U8/U16/S16/U32/S32/BFLOAT16/F16/F32.
74      * @param[in]  policy Conversion policy.
75      * @param[in]  shift  (Optional) Value for down/up conversions. Must be 0 <= shift < 8.
76      */
77     void configure(const ITensor *input, ITensor *output, ConvertPolicy policy, uint32_t shift = 0);
78     /** Static function to check if given info will lead to a valid configuration of @ref NEDepthConvertLayer
79      *
80      * @param[in] input  Source tensor info. Data types supported: QASYMM8/U8/U16/S16/BFLOAT16/F16/F32.
81      * @param[in] output Destination tensor info. Data type supported: QASYMM8/U8/U16/S16/U32/S32/BFLOAT16/F16/F32.
82      * @param[in] policy Conversion policy.
83      * @param[in] shift  (Optional) Value for down/up conversions. Must be 0 <= shift < 8.
84      *
85      * @return a status
86      */
87     static Status validate(const ITensorInfo *input, const ITensorInfo *output, ConvertPolicy policy, uint32_t shift = 0);
88 
89     // Inherited methods overridden
90     void run() override;
91 
92 private:
93     struct Impl;
94     std::unique_ptr<Impl> _impl;
95 };
96 } // namespace arm_compute
97 #endif /*ARM_COMPUTE_NEDEPTHCONVERT_H*/
98