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#include "helpers.h" 25 26#if defined(DATA_TYPE) && defined(CONSTANT_VALUE) // Check for compile time constants 27 28/** Fill the tensor's planes with all value 29 * @attention The following variables must be passed at compile time: 30 * -# -DDATA_TYPE = Tensor data type. Supported data types: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 31 * -# -DCONSTANT_VALUE = The value use to fill the tensor's planes 32 * -# -DVEC_SIZE = Vector size 33 * -# -DLAST_ACCESSED_X = The element that is on the X border (threads trying to set this, might need to step back a bit) 34 * 35 * @param[in] tensor_ptr Pointer to the source image. Data types supported: All. 36 * @param[in] tensor_stride_x Stride of the source image in X dimension (in bytes) 37 * @param[in] tensor_step_x tensor_stride_x * number of elements along X processed per workitem(in bytes) 38 * @param[in] tensor_stride_y Stride of the source image in Y dimension (in bytes) 39 * @param[in] tensor_step_y tensor_stride_y * number of elements along Y processed per workitem(in bytes) 40 * @param[in] tensor_offset_first_element_in_bytes The offset of the first element in the source image 41 * @param[in] value The value used to fill the pages of the tensor 42 */ 43__kernel void memset( 44 TENSOR3D_DECLARATION(tensor)) 45{ 46 Tensor3D tensor = CONVERT_TO_TENSOR3D_STRUCT(tensor); 47 48#if defined(VEC_SIZE) 49 50#if defined(LAST_ACCESSED_X) 51 // Check if access on width gets out of bounds 52 // If it does shift access vector to access elements within bounds 53 const int xi = (int)(get_global_id(0) * VEC_SIZE); 54 tensor.ptr -= max(xi - (int)LAST_ACCESSED_X, 0) * tensor_stride_x; 55#endif // defined(LAST_ACCESSED_X) 56 57 VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) 58 data = (DATA_TYPE)(CONSTANT_VALUE); 59 60 VSTORE(VEC_SIZE) 61 (data, 0, (__global DATA_TYPE *)tensor.ptr); 62#else // !defined(VEC_SIZE) 63 *((__global DATA_TYPE *)(tensor.ptr)) = (DATA_TYPE)(CONSTANT_VALUE); 64#endif // defined(VEC_SIZE) 65} 66 67#endif // Check for compile time constants 68