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Diffstat (limited to 'src/core/CL/cl_kernels/common/crop_tensor.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/common/crop_tensor.cl | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/common/crop_tensor.cl b/src/core/CL/cl_kernels/common/crop_tensor.cl new file mode 100644 index 0000000000..d9090dc838 --- /dev/null +++ b/src/core/CL/cl_kernels/common/crop_tensor.cl @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2019-2021 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 tensor cropping. + * + * @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)
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