1 /* 2 * Copyright (c) 2016-2020 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_DEPTHCONVERTKERNEL_H 25 #define ARM_COMPUTE_DEPTHCONVERTKERNEL_H 26 27 #include "src/core/NEON/INEKernel.h" 28 29 namespace arm_compute 30 { 31 class ITensor; 32 33 /** Depth conversion kernel 34 * This function ignores the scale and zeroPoint of quanized tensors, i.e. QASYMM8 input is treated as uint8 values. 35 */ 36 class NEDepthConvertLayerKernel : public INEKernel 37 { 38 public: name()39 const char *name() const override 40 { 41 return "NEDepthConvertLayerKernel"; 42 } 43 /** Default constructor*/ 44 NEDepthConvertLayerKernel(); 45 /** Prevent instances of this class from being copied (As this class contains pointers) */ 46 NEDepthConvertLayerKernel(const NEDepthConvertLayerKernel &) = delete; 47 /** Default move constructor */ 48 NEDepthConvertLayerKernel(NEDepthConvertLayerKernel &&) = default; 49 /** Prevent instances of this class from being copied (As this class contains pointers) */ 50 NEDepthConvertLayerKernel &operator=(const NEDepthConvertLayerKernel &) = delete; 51 /** Default move assignment operator */ 52 NEDepthConvertLayerKernel &operator=(NEDepthConvertLayerKernel &&) = default; 53 /** Default destructor */ 54 ~NEDepthConvertLayerKernel() = default; 55 /** Set the input and output of the kernel 56 * 57 * Valid conversions Input -> Output : 58 * 59 * - QASYMM8_SIGNED -> S16, S32, F32, F16 60 * - QASYMM8 -> U16, S16, S32, F32, F16 61 * - U8 -> U16, S16, S32, F32, F16 62 * - U16 -> U8, U32 63 * - S16 -> QASYMM8_SIGNED, U8, S32 64 * - BFLOAT16 -> F32 65 * - F16 -> QASYMM8_SIGNED, QASYMM8, F32, S32, U8 66 * - S32 -> QASYMM8_SIGNED, QASYMM8, F16, F32, U8 67 * - F32 -> QASYMM8_SIGNED, QASYMM8, BFLOAT16, F16, S32, U8 68 * 69 * @param[in] input The input tensor to convert. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/BFLOAT16/F16/F32. 70 * @param[out] output The output tensor. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/U32/S32/BFLOAT16/F16/F32. 71 * @param[in] policy Conversion policy. 72 * @param[in] shift (Optional) Value for down/up conversions. Must be 0 <= shift < 8. 73 */ 74 void configure(const ITensor *input, ITensor *output, ConvertPolicy policy, uint32_t shift = 0); 75 /** Static function to check if given info will lead to a valid configuration of @ref NEDepthConvertLayerKernel 76 * 77 * @param[in] input Source tensor info. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/BFLOAT16/F16/F32. 78 * @param[in] output Destination tensor info. Data type supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/U32/S32/BFLOAT16/F16/F32. 79 * @param[in] policy Conversion policy 80 * @param[in] shift (Optional) Value for down/up conversions. Must be 0 <= shift < 8. 81 * 82 * @return a status 83 */ 84 static Status validate(const ITensorInfo *input, const ITensorInfo *output, ConvertPolicy policy, uint32_t shift = 0); 85 86 // Inherited methods overridden: 87 void run(const Window &window, const ThreadInfo &info) override; 88 89 private: 90 const ITensor *_input; 91 ITensor *_output; 92 ConvertPolicy _policy; 93 uint32_t _shift; 94 }; 95 } // namespace arm_compute 96 #endif /*ARM_COMPUTE_NEDEPTHCONVERTKERNEL_H */ 97