| /* |
| * 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 "convolution3x3.cl" |
| #include "convolution5x5.cl" |
| #include "convolution7x7.cl" |
| #include "convolution9x9.cl" |
| #include "helpers.h" |
| |
| #define MAT_INDEX(i) MAT##i |
| |
| #ifndef DATA_TYPE |
| #define DATA_TYPE short |
| #endif /* DATA_TYPE */ |
| |
| #ifndef COMPUTE_TYPE |
| #define COMPUTE_TYPE int |
| #endif /* COMPUTE_TYPE */ |
| |
| #ifndef DATA_TYPE_OUT |
| #define DATA_TYPE_OUT uchar |
| #endif /* DATA_TYPE_OUT */ |
| |
| #ifndef DYNAMIC_MATRIX_CONVOLUTION |
| |
| /** Apply a rectangle matrix to a single channel U8 input image and output a single channel image including borders |
| * |
| * @attention The matrix coefficients(MAT0, MAT1, ... MAT80, SCALE), MATRIX_WIDTH, MATRIX_HEIGHT, COMPUTE_TYPE, DATA_TYPE, DATA_TYPE_OUT need to be passed at compile time:\n |
| * e.g. -DMAT0=0 -DMAT1=1, ... -DMAT80=80, -DSCALE=6, -DMATRIX_WIDTH=3, -DMATRIX_HEIGHT=5, -DCOMPUTE_TYPE=int, -DDATA_TYPE=int, -DDATA_TYPE_OUT=int |
| * |
| * @param[in] src_ptr Pointer to the source image. Supported data types: U8 |
| * @param[in] src_stride_x Stride of the source image in X dimension (in bytes) |
| * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes) |
| * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image |
| * @param[out] dst_ptr Pointer to the destination image. Supported data types: U8, S16 |
| * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes) |
| * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes) |
| * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) |
| * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image |
| */ |
| __kernel void convolution_rectangle( |
| IMAGE_DECLARATION(src), |
| IMAGE_DECLARATION(dst)) |
| { |
| Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| Image dst = CONVERT_TO_IMAGE_STRUCT(dst); |
| |
| short matrix_coeff[81] = |
| { |
| MAT0, MAT1, MAT2, MAT3, MAT4, MAT5, MAT6, MAT7, MAT8, |
| MAT9, MAT10, MAT11, MAT12, MAT13, MAT14, MAT15, MAT16, MAT17, |
| MAT18, MAT19, MAT20, MAT21, MAT22, MAT23, MAT24, MAT25, MAT26, |
| MAT27, MAT28, MAT29, MAT30, MAT31, MAT32, MAT33, MAT34, MAT35, |
| MAT36, MAT37, MAT38, MAT39, MAT40, MAT41, MAT42, MAT43, MAT44, |
| MAT45, MAT46, MAT47, MAT48, MAT49, MAT50, MAT51, MAT52, MAT53, |
| MAT54, MAT55, MAT56, MAT57, MAT58, MAT59, MAT60, MAT61, MAT62, |
| MAT63, MAT64, MAT65, MAT66, MAT67, MAT68, MAT69, MAT70, MAT71, |
| MAT72, MAT73, MAT74, MAT75, MAT76, MAT77, MAT78, MAT79, MAT80 |
| }; |
| |
| VEC_DATA_TYPE(DATA_TYPE, 8) |
| pixels = (VEC_DATA_TYPE(DATA_TYPE, 8))0; |
| |
| for(int i = 0; i < MATRIX_HEIGHT; i++) |
| { |
| #if MATRIX_WIDTH == 3 |
| pixels += convolution1x3(offset(&src, -1, -(MATRIX_HEIGHT / 2) + i), matrix_coeff[0 + i * 3], matrix_coeff[1 + i * 3], |
| matrix_coeff[2 + i * 3]); |
| #endif /* MATRIX_WIDTH */ |
| |
| #if MATRIX_WIDTH == 5 |
| pixels += convolution1x5(offset(&src, -2, -(MATRIX_HEIGHT / 2) + i), matrix_coeff[0 + i * 5], matrix_coeff[1 + i * 5], |
| matrix_coeff[2 + i * 5], matrix_coeff[3 + i * 5], matrix_coeff[4 + i * 5]); |
| #endif /* MATRIX_WIDTH */ |
| |
| #if MATRIX_WIDTH == 7 |
| pixels += convolution1x7(offset(&src, -3, -(MATRIX_HEIGHT / 2) + i), matrix_coeff[0 + i * 7], matrix_coeff[1 + i * 7], |
| matrix_coeff[2 + i * 7], matrix_coeff[3 + i * 7], matrix_coeff[4 + i * 7], |
| matrix_coeff[5 + i * 7], matrix_coeff[6 + i * 7]); |
| #endif /* MATRIX_WIDTH */ |
| |
| #if MATRIX_WIDTH == 9 |
| pixels += convolution1x9(offset(&src, -4, -(MATRIX_HEIGHT / 2) + i), matrix_coeff[0 + i * 9], matrix_coeff[1 + i * 9], |
| matrix_coeff[2 + i * 9], matrix_coeff[3 + i * 9], matrix_coeff[4 + i * 9], |
| matrix_coeff[5 + i * 9], matrix_coeff[6 + i * 9], matrix_coeff[7 + i * 9], matrix_coeff[8 + i * 9]); |
| #endif /* MATRIX_WIDTH */ |
| } |
| |
| pixels /= (VEC_DATA_TYPE(DATA_TYPE, 8))SCALE; |
| |
| // Store the result as is in dst |
| vstore8(CONVERT_SAT(pixels, VEC_DATA_TYPE(DATA_TYPE_OUT, 8)), 0, ((__global DATA_TYPE_OUT *)dst.ptr)); |
| } |
| |
| #endif /* not DYNAMIC_MATRIX_CONVOLUTION */ |