| Gian Marco Iodice | 477531c | 2018-08-21 17:53:38 +0100 | [diff] [blame] | 1 | /* |
| Adnan AlSinan | 7075fe2 | 2021-07-05 13:12:52 +0100 | [diff] [blame] | 2 | * Copyright (c) 2018-2021 Arm Limited. |
| Gian Marco Iodice | 477531c | 2018-08-21 17:53:38 +0100 | [diff] [blame] | 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(SRC_DEPTH) && defined(STRIDE) |
| 27 | |
| 28 | #define CALCULATE_SRC_COORDINATES(xo, yo, zo, xi, yi, zi) \ |
| 29 | ({ \ |
| 30 | int offset = zo / (int)SRC_DEPTH; \ |
| 31 | xi = xo * (int)STRIDE + offset % (int)STRIDE; \ |
| 32 | yi = yo * (int)STRIDE + offset / (int)STRIDE; \ |
| 33 | zi = zo % SRC_DEPTH; \ |
| 34 | }) |
| 35 | |
| 36 | /** Performs a reorganization layer of input tensor to the output tensor when the data layout is NCHW |
| 37 | * |
| 38 | * @note The data type must be passed at compile time using -DDATA_TYPE: e.g. -DDATA_TYPE=float |
| 39 | * @note The depth of the input tensor must be passed at compile time using -DSRC_DEPTH: e.g. -DSRC_DEPTH=64 |
| 40 | * @note The distance between 2 consecutive pixels along the x and y direction must be passed at compile time using -DSTRIDE: e.g. -DSTRIDE=2 |
| 41 | * |
| Michele Di Giorgio | f6f7876 | 2020-07-06 11:27:21 +0100 | [diff] [blame] | 42 | * @param[in] src_ptr Pointer to the source tensor. Supported data types: All |
| Gian Marco Iodice | 477531c | 2018-08-21 17:53:38 +0100 | [diff] [blame] | 43 | * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| 44 | * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| 45 | * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| 46 | * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| 47 | * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| 48 | * @param[in] src_step_z src_stride_z * number of elements along Z processed per workitem(in bytes) |
| 49 | * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor |
| 50 | * @param[out] dst_ptr Pointer to the destination tensor. Supported data types: same as @p src_ptr |
| 51 | * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| 52 | * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| 53 | * @param[in] dst_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| 54 | * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) |
| 55 | * @param[in] dst_stride_z Stride of the source tensor in Z dimension (in bytes) |
| 56 | * @param[in] dst_step_z dst_stride_z * number of elements along Z processed per workitem(in bytes) |
| 57 | * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| 58 | */ |
| 59 | __kernel void reorg_layer_nchw( |
| 60 | TENSOR3D_DECLARATION(src), |
| 61 | TENSOR3D_DECLARATION(dst)) |
| 62 | { |
| 63 | Tensor3D out = CONVERT_TO_TENSOR3D_STRUCT(dst); |
| 64 | |
| 65 | int xo = get_global_id(0); |
| 66 | int yo = get_global_id(1); |
| 67 | int zo = get_global_id(2); |
| 68 | int xi, yi, zi; |
| 69 | |
| 70 | CALCULATE_SRC_COORDINATES(xo, yo, zo, xi, yi, zi); |
| 71 | |
| 72 | int src_offset = xi * sizeof(DATA_TYPE) + yi * src_stride_y + zi * src_stride_z; |
| 73 | *((__global DATA_TYPE *)out.ptr) = *((__global DATA_TYPE *)(src_ptr + src_offset_first_element_in_bytes + src_offset)); |
| 74 | } |
| Gian Marco Iodice | 477531c | 2018-08-21 17:53:38 +0100 | [diff] [blame] | 75 | #endif // // defined(DATA_TYPE) && defined(SRC_DEPTH) && defined(STRIDE) |