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1 /*
2  * Copyright (c) 2017-2020 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 
25 #ifndef ARM_COMPUTE_CLDEPTHCONCATENATEKERNEL_H
26 #define ARM_COMPUTE_CLDEPTHCONCATENATEKERNEL_H
27 
28 #include "arm_compute/core/Types.h"
29 #include "src/core/CL/ICLKernel.h"
30 
31 namespace arm_compute
32 {
33 /** Interface for the depth concatenate kernel.
34  *  The input tensor will be concatenated into the output tensor.
35  */
36 class CLDepthConcatenateLayerKernel : public ICLKernel
37 {
38 public:
39     /** Default constructor */
40     CLDepthConcatenateLayerKernel();
41     /** Prevent instances of this class from being copied (As this class contains pointers) */
42     CLDepthConcatenateLayerKernel(const CLDepthConcatenateLayerKernel &) = delete;
43     /** Prevent instances of this class from being copied (As this class contains pointers) */
44     CLDepthConcatenateLayerKernel &operator=(const CLDepthConcatenateLayerKernel &) = delete;
45     /** Allow instances of this class to be moved */
46     CLDepthConcatenateLayerKernel(CLDepthConcatenateLayerKernel &&) = default;
47     /** Allow instances of this class to be moved */
48     CLDepthConcatenateLayerKernel &operator=(CLDepthConcatenateLayerKernel &&) = default;
49     /** Default destructor */
50     ~CLDepthConcatenateLayerKernel() = default;
51     /** Initialise the kernel's inputs and output
52      *
53      * @param[in]     compile_context The compile context to be used.
54      * @param[in]     input           Input tensor. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32.
55      * @param[in]     depth_offset    The offset on the Z axis.
56      * @param[in,out] output          Output tensor. Data types supported: Same as @p input.
57      *
58      * @note: The output tensor's low two dimensions can't be smaller than the input one's.
59      * @note: The gaps between the two lowest dimensions of input and output need to be divisible by 2.
60      *
61      */
62     void configure(const CLCompileContext &compile_context, ITensorInfo *input, unsigned int depth_offset, ITensorInfo *output);
63     /**  Static function to check if given info will lead to a valid configuration of @ref CLDepthConcatenateLayerKernel
64      *
65      * @param[in] input        Input tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/F16/F32
66      * @param[in] depth_offset The offset on the Z axis.
67      * @param[in] output       Output tensor info. Data types supported: Same as @p input.
68      *
69      * @return a status
70      */
71     static Status validate(const ITensorInfo *input, unsigned int depth_offset, const ITensorInfo *output);
72 
73     // Inherited methods overridden:
74     void run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) override;
75 
76 private:
77     unsigned int _depth_offset;
78 };
79 } // namespace arm_compute
80 #endif /* ARM_COMPUTE_CLDEPTHCONCATENATEKERNEL_H */
81