1 /* 2 * Copyright (c) 2018-2021 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_CLCAST_H 25 #define ARM_COMPUTE_CLCAST_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 CLCompileContext; 36 class ICLTensor; 37 class ITensorInfo; 38 39 /** Basic function to run @ref opencl::kernels::ClCastKernel */ 40 class CLCast : public IFunction 41 { 42 public: 43 /** Constructor */ 44 CLCast(); 45 /** Destructor */ 46 ~CLCast(); 47 /** Prevent instances of this class from being copied (As this class contains pointers) */ 48 CLCast(const CLCast &) = delete; 49 /** Default move constructor */ 50 CLCast(CLCast &&); 51 /** Prevent instances of this class from being copied (As this class contains pointers) */ 52 CLCast &operator=(const CLCast &) = delete; 53 /** Default move assignment operator */ 54 CLCast &operator=(CLCast &&); 55 /** Initialize the function's source, destination 56 * 57 * Valid data layouts: 58 * - All 59 * 60 * Valid data type configurations: 61 * |src |dst | 62 * |:--------------|:--------------------------------------| 63 * |U8 | S8, U16, S16, U32, S32, F16, F32 | 64 * |U16 | U8, S8, S16, U32, S32, F16, F32 | 65 * |S16 | U8, S8, U16, U32, S32, F16, F32 | 66 * |U32 | U8, S8, U16, S16, S32, F16, F32 | 67 * |S32 | U8, S8, U16, S16, U32, F16, F32 | 68 * |F16 | U8, S8, U16, S16, U32, F32 | 69 * |F32 | U8, S8, U16, S16, U32, F16 | 70 * 71 * Input data type must be different than output data type. 72 * 73 * @param[in] input The input tensor to convert. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32. 74 * @param[out] output The output tensor. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32. 75 * @param[in] policy Conversion policy. 76 */ 77 void configure(const ICLTensor *input, ICLTensor *output, ConvertPolicy policy); 78 /** Initialize the function's source, destination 79 * 80 * Input data type must be different than output data type. 81 * 82 * Valid conversions Input -> Output : 83 * 84 * - U8 -> S8, U16, S16, U32, S32, F16, F32 85 * - U16 -> U8, S8, S16, U32, S32, F16, F32 86 * - S16 -> U8, S8, U16, U32, S32, F16, F32 87 * - U32 -> U8, S8, U16, S16, S32, F16, F32 88 * - S32 -> U8, S8, U16, S16, U32, F16, F32 89 * - F16 -> U8, S8, U16, S16, U32, F32 90 * - F32 -> U8, S8, U16, S16, U32, F16 91 * 92 * @param[in] compile_context The compile context to be used. 93 * @param[in] input The input tensor to convert. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32. 94 * @param[out] output The output tensor. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32. 95 * @param[in] policy Conversion policy. 96 */ 97 void configure(const CLCompileContext &compile_context, const ICLTensor *input, ICLTensor *output, ConvertPolicy policy); 98 /** Static function to check if given info will lead to a valid configuration of @ref CLCast 99 * 100 * @param[in] input Source tensor info. Data types supported: U8/S8/U16/S16/U32/S32/F16/F32. 101 * @param[in] output Destination tensor info. Data type supported: U8/S8/U16/S16/U32/S32/F16/F32. 102 * @param[in] policy Conversion policy. 103 * 104 * @return a status 105 */ 106 static Status validate(const ITensorInfo *input, const ITensorInfo *output, ConvertPolicy policy); 107 108 // Inherited methods overridden: 109 void run() override; 110 111 private: 112 struct Impl; 113 std::unique_ptr<Impl> _impl; 114 }; 115 } // namespace arm_compute 116 #endif /*ARM_COMPUTE_CLCAST_H*/ 117