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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 #ifndef ARM_COMPUTE_CLDECONVOLUTIONLAYER_H
25 #define ARM_COMPUTE_CLDECONVOLUTIONLAYER_H
26 
27 #include "arm_compute/runtime/CL/functions/CLDirectDeconvolutionLayer.h"
28 #include "arm_compute/runtime/CL/functions/CLGEMMDeconvolutionLayer.h"
29 #include "arm_compute/runtime/IFunction.h"
30 #include "arm_compute/runtime/IMemoryManager.h"
31 
32 #include <memory>
33 
34 namespace arm_compute
35 {
36 /** Basic function to compute the deconvolution layer. This function calls the following OpenCL kernels/functions:
37  *
38  * -# @ref CLGEMMDeconvolutionLayer
39  * -# @ref CLDirectDeconvolutionLayer
40  */
41 class CLDeconvolutionLayer : public IFunction
42 {
43 public:
44     /** Default constructor */
45     CLDeconvolutionLayer(std::shared_ptr<IMemoryManager> memory_manager = nullptr);
46 
47     /** Set the input, weights, biases and output tensors.
48      *
49      * @param[in,out] input        Input tensor. 3 lower dimensions represent a single input, and an optional 4th dimension for batch of inputs. Data types supported: QASYMM8_SIGNED/QASYMM8/F16/F32.
50      * @param[in]     weights      The 4d weights with dimensions [width, height, IFM, OFM]. Data type supported: Same as @p input.
51      * @param[in]     bias         (Optional) The biases have one dimension. Data type supported: Same as @p input.
52      * @param[out]    output       Output tensor. The output has the same number of dimensions as the @p input.
53      * @param[in]     deconv_info  Contains padding and policies to be used in the deconvolution, this is described in @ref PadStrideInfo.
54      * @param[in]     weights_info (Optional) Weights information needed for @ref CLConvolutionLayer, specifies if the weights tensor has been reshaped with @ref CLWeightsReshapeKernel.
55      *
56      */
57     void configure(ICLTensor *input, ICLTensor *weights, const ICLTensor *bias, ICLTensor *output, const PadStrideInfo &deconv_info, const WeightsInfo &weights_info = WeightsInfo());
58     /** Set the input, weights, biases and output tensors.
59      *
60      * @param[in]     compile_context The compile context to be used.
61      * @param[in,out] input           Input tensor. 3 lower dimensions represent a single input, and an optional 4th dimension for batch of inputs. Data types supported: QASYMM8_SIGNED/QASYMM8/F16/F32.
62      * @param[in]     weights         The 4d weights with dimensions [width, height, IFM, OFM]. Data type supported: Same as @p input.
63      * @param[in]     bias            (Optional) The biases have one dimension. Data type supported: Same as @p input.
64      * @param[out]    output          Output tensor. The output has the same number of dimensions as the @p input.
65      * @param[in]     deconv_info     Contains padding and policies to be used in the deconvolution, this is described in @ref PadStrideInfo.
66      * @param[in]     weights_info    (Optional) Weights information needed for @ref CLConvolutionLayer, specifies if the weights tensor has been reshaped with @ref CLWeightsReshapeKernel.
67      *
68      */
69     void configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *weights, const ICLTensor *bias, ICLTensor *output, const PadStrideInfo &deconv_info,
70                    const WeightsInfo &weights_info = WeightsInfo());
71     /** Static function to check if given info will lead to a valid configuration of @ref CLDeconvolutionLayer
72      *
73      * @param[in] input        Input tensor info. 3 lower dimensions represent a single input, and an optional 4th dimension for batch of inputs. Data types supported: QASYMM8_SIGNED/QASYMM8/F16/F32.
74      * @param[in] weights      The 4d weights info with dimensions [width, height, IFM, OFM]. Data type supported: Same as @p input.
75      * @param[in] bias         (Optional) The biases have one dimension. Data type supported: Same as @p input.
76      * @param[in] output       Output tensor info. The output has the same number of dimensions as the @p input.
77      * @param[in] deconv_info  Contains padding and policies to be used in the deconvolution, this is described in @ref PadStrideInfo.
78      * @param[in] weights_info (Optional) Weights information needed for @ref CLConvolutionLayer, specifies if the weights tensor has been reshaped with @ref CLWeightsReshapeKernel.
79      *
80      * @return a status
81      */
82     static Status validate(const ITensorInfo *input, const ITensorInfo *weights, const ITensorInfo *bias, ITensorInfo *output, const PadStrideInfo &deconv_info,
83                            const WeightsInfo &weights_info = WeightsInfo());
84 
85     static DeconvolutionMethod get_deconvolution_method(const ITensorInfo *input, const ITensorInfo *weights, const ITensorInfo *bias, ITensorInfo *output, const PadStrideInfo &deconv_info,
86                                                         const WeightsInfo &weights_info);
87     // Inherited methods overridden:
88     void run() override;
89     void prepare() override;
90 
91 private:
92     std::shared_ptr<IMemoryManager> _memory_manager;
93     std::unique_ptr<IFunction>      _function;
94 };
95 } // namespace arm_compute
96 #endif /* ARM_COMPUTE_CLDECONVOLUTIONLAYER_H */
97