| /* |
| * Copyright (c) 2016, 2017 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 CONVERT_OP_INT_STR(x, type) (convert_##type##_sat(x)) |
| #else /* SATURATE */ |
| #define CONVERT_OP_INT_STR(x, type) (convert_##type(x)) |
| #endif /* SATURATE */ |
| #define CONVERT_OP_INT(x, type) CONVERT_OP_INT_STR(x, type) |
| |
| /** Performs a pixelwise multiplication with integer scale of integer inputs. |
| * |
| * @attention The inputs and output data types need to be passed at compile time using -DDATA_TYPE_IN1, -DDATA_TYPE_IN2 and -DDATA_TYPE_OUT: |
| * e.g. -DDATA_TYPE_IN1=uchar -DDATA_TYPE_IN2=ushort -DDATA_TYPE_OUT=short |
| * @attention The data_type of the intermediate result of the multiplication should passed as well using -DDATA_TYPE_RES. |
| * e.g. If one of inputs is S16 -DDATA_TYPE_RES=int should be passed else -DDATA_TYPE_RES=short. |
| * |
| * @param[in] in1_ptr Pointer to the source image. Supported data types: U8, S16 |
| * @param[in] in1_stride_x Stride of the source image 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 image 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_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[in] in2_ptr Pointer to the source image. Supported data types: U8, S16 |
| * @param[in] in2_stride_x Stride of the source image 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 image 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_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[out] out_ptr Pointer to the destination image. Supported data types: U8, S16 |
| * @param[in] out_stride_x Stride of the destination image 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 image 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_offset_first_element_in_bytes The offset of the first element in the destination image |
| * @param[in] scale Integer scaling factor. Supported data types: S32 |
| */ |
| __kernel void pixelwise_mul_int( |
| IMAGE_DECLARATION(in1), |
| IMAGE_DECLARATION(in2), |
| IMAGE_DECLARATION(out), |
| const uint scale) |
| { |
| // Get pixels pointer |
| Image in1 = CONVERT_TO_IMAGE_STRUCT(in1); |
| Image in2 = CONVERT_TO_IMAGE_STRUCT(in2); |
| Image out = CONVERT_TO_IMAGE_STRUCT(out); |
| |
| // Load data |
| VEC_DATA_TYPE(DATA_TYPE_RES, 16) |
| in1_data = CONVERT(vload16(0, (__global DATA_TYPE_IN1 *)in1.ptr), VEC_DATA_TYPE(DATA_TYPE_RES, 16)); |
| VEC_DATA_TYPE(DATA_TYPE_RES, 16) |
| in2_data = CONVERT(vload16(0, (__global DATA_TYPE_IN2 *)in2.ptr), VEC_DATA_TYPE(DATA_TYPE_RES, 16)); |
| |
| // Perform multiplication and store result |
| vstore16(CONVERT_OP_INT(((in1_data * in2_data) >> scale), VEC_DATA_TYPE(DATA_TYPE_OUT, 16)), 0, (__global DATA_TYPE_OUT *)out.ptr); |
| } |