Giuseppe Rossini | d7647d4 | 2018-07-17 18:13:13 +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(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: U8/S8/QASYMM8/U16/S16/F16/U32/S32/F32. |
| 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 | IMAGE_DECLARATION(tensor)) |
| 45 | { |
| 46 | Image tensor = CONVERT_TO_IMAGE_STRUCT(tensor); |
| 47 | |
| 48 | #if defined(VEC_SIZE) && defined(LAST_ACCESSED_X) |
| 49 | // Check if access on width gets out of bounds |
| 50 | // If it does shift access vector to access elements within bounds |
| 51 | const int xi = (int)(get_global_id(0) * VEC_SIZE); |
| 52 | tensor.ptr -= max(xi - (int)LAST_ACCESSED_X, 0) * tensor_stride_x; |
| 53 | |
| 54 | VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) |
| 55 | data = (DATA_TYPE)(CONSTANT_VALUE); |
| 56 | |
| 57 | VSTORE(VEC_SIZE) |
| 58 | (data, 0, (__global DATA_TYPE *)tensor.ptr); |
| 59 | #else // !defined(VEC_SIZE) || !defined(LAST_ACCESSED_X) |
| 60 | *((__global DATA_TYPE *)(tensor.ptr)) = (DATA_TYPE)(CONSTANT_VALUE); |
| 61 | #endif // defined(VEC_SIZE) && defined(LAST_ACCESSED_X) |
| 62 | } |
| 63 | |
| 64 | #endif // Check for compile time constants |