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/** This function applies upsample on an input image. (NCHW) 27 * 28 * @attention The following variables must be passed at compile time: 29 * -# -DDATA_TYPE = Tensor data type. Supported data types: All 30 * -# -DVEC_SIZE_IN = Input vector size 31 * -# -DVEC_SIZE_OUT = Output vector size 32 * -# -DLAST_ACCESSED_X_IN = The input element that is on the X border (threads trying to set this, might need to step back a bit) 33 * -# -DLAST_ACCESSED_X_OUT = The output element that is on the X border (threads trying to set this, might need to step back a bit) 34 * 35 * @param[in] src_ptr Pointer to the source image. Supported data types: All 36 * @param[in] src_stride_x Stride of the source image in X dimension (in bytes) 37 * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) 38 * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes) 39 * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) 40 * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) 41 * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) 42 * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image 43 * @param[out] dst_ptr Pointer to the destination image. Supported data types: same as @p src_ptr 44 * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes) 45 * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) 46 * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes) 47 * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) 48 * @param[in] dst_stride_z Stride of the source tensor in Z dimension (in bytes) 49 * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) 50 * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image 51 */ 52__kernel void upsample_layer_nchw( 53 TENSOR3D_DECLARATION(src), 54 TENSOR3D_DECLARATION(dst)) 55{ 56 Tensor3D src = CONVERT_TO_TENSOR3D_STRUCT(src); 57 Tensor3D dst = CONVERT_TO_TENSOR3D_STRUCT(dst); 58 59#if defined(VEC_SIZE_IN) && defined(VEC_SIZE_OUT) && defined(LAST_ACCESSED_X_IN) && defined(LAST_ACCESSED_X_OUT) 60 // Check if access on width gets out of bounds 61 // If it does shift access vector to access elements within bounds 62 const int xi_in = (int)(get_global_id(0) * VEC_SIZE_IN); 63 const int xi_out = (int)(get_global_id(0) * VEC_SIZE_OUT); 64 src.ptr -= max(xi_in - (int)LAST_ACCESSED_X_IN, 0) * src_stride_x; 65 dst.ptr -= max(xi_out - (int)LAST_ACCESSED_X_OUT, 0) * dst_stride_x; 66 67 VEC_DATA_TYPE(DATA_TYPE, 8) 68 data = vload8(0, (__global DATA_TYPE *)src.ptr); 69 70 VEC_DATA_TYPE(DATA_TYPE, 16) 71 data_out = (VEC_DATA_TYPE(DATA_TYPE, 16))(data.s0, data.s0, data.s1, data.s1, data.s2, data.s2, data.s3, data.s3, data.s4, data.s4, data.s5, data.s5, data.s6, data.s6, data.s7, data.s7); 72 73 vstore16(data_out, 0, (__global DATA_TYPE *)dst.ptr); 74 vstore16(data_out, 0, (__global DATA_TYPE *)tensor3D_offset(&dst, 0, 1, 0)); 75#else // !defined(VEC_SIZE_IN) && defined(VEC_SIZE_OUT) && defined(LAST_ACCESSED_X_IN) && defined(LAST_ACCESSED_X_OUT) 76 *((__global DATA_TYPE *)tensor3D_offset(&dst, 0, 0, 0)) = *((__global DATA_TYPE *)src.ptr); 77 *((__global DATA_TYPE *)tensor3D_offset(&dst, 0, 1, 0)) = *((__global DATA_TYPE *)src.ptr); 78#endif // defined(VEC_SIZE_IN) && defined(VEC_SIZE_OUT) && defined(LAST_ACCESSED_X_IN) && defined(LAST_ACCESSED_X_OUT) 79}