| /* |
| * Copyright (c) 2016-2018 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" |
| |
| #ifdef SATURATE |
| #define ADD(x, y) add_sat((x), (y)) |
| #define SUB(x, y) sub_sat((x), (y)) |
| #else /* SATURATE */ |
| #define ADD(x, y) (x) + (y) |
| #define SUB(x, y) (x) - (y) |
| #endif /* SATURATE */ |
| |
| #if defined(OFFSET_IN1) |
| |
| /** This function adds two tensors. |
| * |
| * @attention The quantization offset must be passed at compile time using -DOFFSET_IN1, i.e. -DOFFSET_IN1=10 |
| * @attention To perform saturating operation -DSATURATE has to be passed to the compiler otherwise wrapping policy will be used. |
| * |
| * @param[in] in1_ptr Pointer to the source tensor. Supported data types: QASYMM8 |
| * @param[in] in1_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] in1_step_x in1_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] in1_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] in1_step_y in1_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] in1_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] in1_step_z in1_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] in1_offset_first_element_in_bytes The offset of the first element in the source tensor |
| * @param[in] in2_ptr Pointer to the source tensor. Supported data types: same as @p in1_ptr |
| * @param[in] in2_stride_x Stride of the source tensor in X dimension (in bytes) |
| * @param[in] in2_step_x in2_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] in2_stride_y Stride of the source tensor in Y dimension (in bytes) |
| * @param[in] in2_step_y in2_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] in2_stride_z Stride of the source tensor in Z dimension (in bytes) |
| * @param[in] in2_step_z in2_stride_z * number of elements along Z processed per workitem(in bytes) |
| * @param[in] in2_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: same as @p in1_ptr |
| * @param[in] out_stride_x Stride of the destination tensor in X dimension (in bytes) |
| * @param[in] out_step_x out_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 out_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 out_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 |
| */ |
| __kernel void arithmetic_add_quantized( |
| TENSOR3D_DECLARATION(in1), |
| TENSOR3D_DECLARATION(in2), |
| TENSOR3D_DECLARATION(out)) |
| { |
| // Get pixels pointer |
| Tensor3D in1 = CONVERT_TO_TENSOR3D_STRUCT(in1); |
| Tensor3D in2 = CONVERT_TO_TENSOR3D_STRUCT(in2); |
| Tensor3D out = CONVERT_TO_TENSOR3D_STRUCT(out); |
| |
| int16 in_a = CONVERT(vload16(0, (__global uchar *)in1.ptr), int16); |
| int16 in_b = CONVERT(vload16(0, (__global uchar *)in2.ptr), int16); |
| |
| in_a = SUB(in_a, (int16)((int)OFFSET_IN1)); |
| in_b = SUB(in_b, (int16)((int)OFFSET_IN2)); |
| |
| const float16 in1f32 = convert_float16(in_a) * (float16)((float)SCALE_IN1); |
| const float16 in2f32 = convert_float16(in_b) * (float16)((float)SCALE_IN2); |
| const float16 qresf32 = (in1f32 + in2f32) / ((float16)(float)SCALE_OUT) + ((float16)((float16)OFFSET_OUT)); |
| const uchar16 res = convert_uchar16_sat(convert_int16_rte(qresf32)); |
| |
| // Store result |
| vstore16(res, 0, (__global uchar *)out.ptr); |
| } |
| #endif /* defined(OFFSET) */ |