| Georgios Pinitas | 5ee66ea | 2017-09-07 17:29:16 +0100 | [diff] [blame] | 1 | /* |
| Adnan AlSinan | 7075fe2 | 2021-07-05 13:12:52 +0100 | [diff] [blame] | 2 | * Copyright (c) 2017-2021 Arm Limited. |
| Georgios Pinitas | 5ee66ea | 2017-09-07 17:29:16 +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 | /** Perform tensor reshape |
| 27 | * |
| 28 | * @note Datatype should be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=short |
| 29 | * |
| Sheri Zhang | a14817a | 2020-02-26 10:30:15 +0000 | [diff] [blame] | 30 | * @param[in] input_ptr Pointer to the first source tensor. Supported data types: All |
| Georgios Pinitas | 5ee66ea | 2017-09-07 17:29:16 +0100 | [diff] [blame] | 31 | * @param[in] input_stride_x Stride of the first source tensor in X dimension (in bytes) |
| 32 | * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes) |
| 33 | * @param[in] input_stride_y Stride of the first source tensor in Y dimension (in bytes) |
| 34 | * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes) |
| 35 | * @param[in] input_stride_z Stride of the first source tensor in Z dimension (in bytes) |
| 36 | * @param[in] input_step_z input_stride_z * number of elements along Z processed per workitem(in bytes) |
| 37 | * @param[in] input_offset_first_element_in_bytes The offset of the first element in the first source tensor |
| 38 | * @param[out] output_ptr Pointer to the destination tensor. Supported data types: same as @p input_ptr |
| 39 | * @param[in] output_stride_x Stride of the destination tensor in X dimension (in bytes) |
| 40 | * @param[in] output_step_x output_stride_x * number of elements along X processed per workitem(in bytes) |
| 41 | * @param[in] output_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| 42 | * @param[in] output_step_y output_stride_y * number of elements along Y processed per workitem(in bytes) |
| 43 | * @param[in] output_stride_z Stride of the destination tensor in Z dimension (in bytes) |
| 44 | * @param[in] output_step_z output_stride_z * number of elements along Z processed per workitem(in bytes) |
| 45 | * @param[in] output_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| 46 | * @param[in] input_shape Input spatial shape |
| 47 | * @param[in] output_shape Output spatial shape |
| 48 | */ |
| 49 | __kernel void reshape_layer(TENSOR3D_DECLARATION(input), |
| 50 | TENSOR3D_DECLARATION(output), |
| 51 | int2 input_shape, |
| 52 | int2 output_shape) |
| 53 | { |
| 54 | Tensor3D in = CONVERT_TO_TENSOR3D_STRUCT(input); |
| 55 | Tensor3D out = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(output); |
| 56 | |
| 57 | int3 id = (int3)(get_global_id(0), get_global_id(1), get_global_id(2)); |
| 58 | |
| 59 | // Linearize index |
| 60 | int linear_idx = id.x + id.y * input_shape.x + id.z * input_shape.x * input_shape.y; |
| 61 | |
| 62 | // Translate to output |
| 63 | int3 out_id; |
| 64 | out_id.x = linear_idx % output_shape.x; |
| 65 | out_id.y = (linear_idx / output_shape.x) % output_shape.y; |
| 66 | out_id.z = linear_idx / (output_shape.x * output_shape.y); |
| 67 | |
| 68 | // Store result |
| 69 | *((__global DATA_TYPE *)tensor3D_offset(&out, out_id.x, out_id.y, out_id.z)) = *((__global DATA_TYPE *)in.ptr); |
| 70 | } |