| /* |
| * Copyright (c) 2019-2020 Arm Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include "helpers.h" |
| |
| #if defined(DATA_TYPE) // Compile time constants |
| |
| /** Performs a copy of input tensor to the output tensor. |
| * |
| * @param[in] in_ptr Pointer to the source tensor. Supported data types: All |
| * @param[in] in_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] in_step_x input_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] in_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] in_step_y input_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] in_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] in_step_z input_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] in_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[out] out_ptr Pointer to the destination tensor. Supported data types: F32 |
| * @param[in] out_stride_x Stride of the destination tensor in X dimension (in bytes) |
| * @param[in] out_step_x output_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] out_stride_y Stride of the destination tensor in Y dimension (in bytes) |
| * @param[in] out_step_y output_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] out_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] out_step_z output_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination tensor |
| * @param[in] in_offset_y The initial offset of the input address along Y. |
| * @param[in] in_offset_z The initial offset of the input address along Z. |
| */ |
| __kernel void crop_tensor( |
| TENSOR3D_DECLARATION(in), |
| TENSOR3D_DECLARATION(out), |
| int in_offset_y, |
| int in_offset_z) |
| { |
| Tensor3D in = CONVERT_TO_TENSOR3D_STRUCT_NO_STEP(in); |
| Tensor3D out = CONVERT_TO_TENSOR3D_STRUCT(out); |
| |
| const int in_x = get_global_id(0) * (in_step_x / in_stride_x); |
| |
| #if defined(WIDTH_FLIPPED) |
| const int in_y = in_offset_y - get_global_id(1); |
| #else // defined(WIDTH_FLIPPED) |
| const int in_y = in_offset_y + get_global_id(1); |
| #endif // defined(WIDTH_FLIPPED) |
| |
| #if defined(HEIGHT_FLIPPED) |
| const int in_z = in_offset_z - get_global_id(2); |
| #else // defined(HEIGHT_FLIPPED) |
| const int in_z = in_offset_z + get_global_id(2); |
| #endif // defined(HEIGHT_FLIPPED) |
| |
| #if defined(VEC_SIZE) |
| |
| #if defined(LAST_ACCESSED_X) |
| // Check if access on width gets out of bounds |
| // If it does then shift access vector to access elements within bounds |
| const int shift = max((int)(get_global_id(0) * VEC_SIZE) - (int)LAST_ACCESSED_X, 0); |
| in.ptr -= shift * in.stride_x; |
| out.ptr -= shift * out.stride_x; |
| #endif // defined(LAST_ACCESSED_X) |
| |
| __global const uchar *input_addr = tensor3D_offset(&in, in_x, in_y, in_z); |
| |
| // Load data |
| VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) |
| data = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)input_addr); |
| |
| // Store result |
| VSTORE(VEC_SIZE) |
| (CONVERT(data, VEC_DATA_TYPE(float, VEC_SIZE)), 0, (__global float *)out.ptr); |
| #else // defined(VEC_SIZE) |
| *((__global float *)(out.ptr)) = CONVERT(*((__global DATA_TYPE *)tensor3D_offset(&in, in_x, in_y, in_z)), float); |
| #endif // defined(VEC_SIZE) |
| } |
| |
| #endif // defined(DATA_TYPE) && defined(LAST_ACCESSED_X) |