diff options
Diffstat (limited to 'src/core/CL/cl_kernels/convolution_rectangle.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/convolution_rectangle.cl | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/convolution_rectangle.cl b/src/core/CL/cl_kernels/convolution_rectangle.cl new file mode 100644 index 0000000000..96b9cff3eb --- /dev/null +++ b/src/core/CL/cl_kernels/convolution_rectangle.cl @@ -0,0 +1,118 @@ +/* + * 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 + +#ifndef COMPUTE_TYPE +#define COMPUTE_TYPE int +#endif + +#ifndef DATA_TYPE_OUT +#define DATA_TYPE_OUT uchar +#endif + +#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 + +#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 + +#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 + +#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 + } + + 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 // DYNAMIC_MATRIX_CONVOLUTION |