1 /* 2 * Copyright (c) 2018-2020 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_CL_STRIDED_SLICE_KERNEL_H 25 #define ARM_COMPUTE_CL_STRIDED_SLICE_KERNEL_H 26 27 #include "arm_compute/core/Types.h" 28 #include "src/core/CL/ICLKernel.h" 29 30 #include <cstdint> 31 32 namespace arm_compute 33 { 34 /** Interface for the kernel to perform tensor strided slicing */ 35 class CLStridedSliceKernel : public ICLKernel 36 { 37 public: 38 /** Configure kernel 39 * 40 * @note Supported tensor rank: up to 4 41 * 42 * @param[in] compile_context The compile context to be used. 43 * @param[in] input Source tensor info. Data type supported: All. 44 * @param[out] output Destination tensor info. Data type supported: Same as @p input 45 * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input). 46 * @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input). 47 * @param[in] strides The strides of the dimensions of the input tensor to be sliced. The length must be of rank(input). 48 * @param[in] begin_mask If the ith bit of begin_mask is set, starts[i] is ignored and the fullest possible range in that dimension is used instead. 49 * @param[in] end_mask If the ith bit of end_mask is set, ends[i] is ignored and the fullest possible range in that dimension is used instead. 50 * @param[in] shrink_axis_mask If the ith bit of shrink_axis_mask is set, it implies that the ith specification shrinks the dimensionality by 1. 51 * A slice of size 1 starting from starts[i] in the dimension must be preserved. 52 */ 53 void configure(const CLCompileContext &compile_context, const ITensorInfo *input, ITensorInfo *output, 54 const Coordinates &starts, const Coordinates &ends, const BiStrides &strides, 55 int32_t begin_mask, int32_t end_mask, int32_t shrink_axis_mask); 56 57 /** Static function to check if given info will lead to a valid configuration of @ref CLStridedSliceKernel 58 * 59 * @note Supported tensor rank: up to 4 60 * 61 * @param[in] input Source tensor. Data type supported: All. 62 * @param[in] output Destination tensor. Data type supported: Same as @p input 63 * @param[in] starts The starts of the dimensions of the input tensor to be sliced. The length must be of rank(input). 64 * @param[in] ends The ends of the dimensions of the input tensor to be sliced. The length must be of rank(input). 65 * @param[in] strides The strides of the dimensions of the input tensor to be sliced. The length must be of rank(input). 66 * @param[in] begin_mask If the ith bit of begin_mask is set, starts[i] is ignored and the fullest possible range in that dimension is used instead. 67 * @param[in] end_mask If the ith bit of end_mask is set, ends[i] is ignored and the fullest possible range in that dimension is used instead. 68 * @param[in] shrink_axis_mask If the ith bit of shrink_axis_mask is set, it implies that the ith specification shrinks the dimensionality by 1. 69 * A slice of size 1 starting from starts[i] in the dimension must be preserved. 70 */ 71 static Status validate(const ITensorInfo *input, const ITensorInfo *output, 72 const Coordinates &starts, const Coordinates &ends, const BiStrides &strides, 73 int32_t begin_mask, int32_t end_mask, int32_t shrink_axis_mask); 74 75 // Inherited methods overridden: 76 void run_op(ITensorPack &tensors, const Window &window, cl::CommandQueue &queue) override; 77 }; 78 } // namespace arm_compute 79 #endif /*ARM_COMPUTE_CL_STRIDED_SLICE_KERNEL_H */ 80