| Gian Marco Iodice | 215b4ea | 2018-06-28 16:29:29 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2018 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(SRC_WIDTH) && defined(SRC_HEIGHT) |
| 27 | |
| 28 | /** This opencl kernel flattens the first 3 dimensions of the input tensor |
| 29 | * |
| 30 | * @note Datatype should be given as a preprocessor argument using -DDATA_TYPE=type. e.g. -DDATA_TYPE=float |
| 31 | * @note The width and height of the input tensor must be passed at compile time using -DSRC_WIDTH and -DSRC_HEIGHT. e.g. -DSRC_WIDTH=24, -DSRC_HEIGHT=24 |
| 32 | * |
| 33 | * @param[in] src_ptr Pointer to the source tensor. Supported data types: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32 |
| 34 | * @param[in] src_stride_x Stride of the source tensor in X dimension (in bytes) |
| 35 | * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| 36 | * @param[in] src_stride_y Stride of the source tensor in Y dimension (in bytes) |
| 37 | * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| 38 | * @param[in] src_stride_z Stride of the source tensor in Z dimension (in bytes) |
| 39 | * @param[in] src_step_z src_stride_z * number of elements along Y processed per workitem(in bytes) |
| 40 | * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source tensor |
| 41 | * @param[out] dst_ptr Pointer to the destination tensor. Same as @p src_ptr |
| 42 | * @param[in] dst_stride_x Stride of the destination tensor in X dimension (in bytes) |
| 43 | * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| 44 | * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| 45 | */ |
| 46 | __kernel void flatten( |
| 47 | TENSOR3D_DECLARATION(src), |
| 48 | VECTOR_DECLARATION(dst)) |
| 49 | { |
| 50 | Tensor3D src = CONVERT_TO_TENSOR3D_STRUCT(src); |
| 51 | |
| 52 | __global uchar *output_ptr = dst_ptr + dst_offset_first_element_in_bytes + (get_global_id(0) + get_global_id(1) * (int)SRC_WIDTH + get_global_id(2) * (int)(SRC_WIDTH * SRC_HEIGHT)) * sizeof( |
| 53 | DATA_TYPE); |
| 54 | |
| 55 | *((__global DATA_TYPE *)output_ptr) = *((__global DATA_TYPE *)src.ptr); |
| 56 | } |
| 57 | #endif // defined(DATA_TYPE) && defined(SRC_WIDTH) && defined(SRC_HEIGHT) |