Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016, 2017 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "convolution3x3.cl" |
| 25 | #include "convolution5x5.cl" |
| 26 | #include "convolution7x7.cl" |
| 27 | #include "convolution9x9.cl" |
| 28 | #include "helpers.h" |
| 29 | |
| 30 | #define MAT_INDEX(i) MAT##i |
| 31 | |
| 32 | #ifndef DATA_TYPE |
| 33 | #define DATA_TYPE short |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 34 | #endif /* DATA_TYPE */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 35 | |
| 36 | #ifndef COMPUTE_TYPE |
| 37 | #define COMPUTE_TYPE int |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 38 | #endif /* COMPUTE_TYPE */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 39 | |
| 40 | #ifndef DATA_TYPE_OUT |
| 41 | #define DATA_TYPE_OUT uchar |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 42 | #endif /* DATA_TYPE_OUT */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 43 | |
| 44 | #ifndef DYNAMIC_MATRIX_CONVOLUTION |
| 45 | |
| 46 | /** Apply a rectangle matrix to a single channel U8 input image and output a single channel image including borders |
| 47 | * |
| 48 | * @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 |
| 49 | * 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 |
| 50 | * |
| 51 | * @param[in] src_ptr Pointer to the source image. Supported data types: U8 |
| 52 | * @param[in] src_stride_x Stride of the source image in X dimension (in bytes) |
| 53 | * @param[in] src_step_x src_stride_x * number of elements along X processed per workitem(in bytes) |
| 54 | * @param[in] src_stride_y Stride of the source image in Y dimension (in bytes) |
| 55 | * @param[in] src_step_y src_stride_y * number of elements along Y processed per workitem(in bytes) |
| 56 | * @param[in] src_offset_first_element_in_bytes The offset of the first element in the source image |
| 57 | * @param[out] dst_ptr Pointer to the destination image. Supported data types: U8, S16 |
| 58 | * @param[in] dst_stride_x Stride of the destination image in X dimension (in bytes) |
| 59 | * @param[in] dst_step_x dst_stride_x * number of elements along X processed per workitem(in bytes) |
| 60 | * @param[in] dst_stride_y Stride of the destination image in Y dimension (in bytes) |
| 61 | * @param[in] dst_step_y dst_stride_y * number of elements along Y processed per workitem(in bytes) |
| 62 | * @param[in] dst_offset_first_element_in_bytes The offset of the first element in the destination image |
| 63 | */ |
| 64 | __kernel void convolution_rectangle( |
| 65 | IMAGE_DECLARATION(src), |
| 66 | IMAGE_DECLARATION(dst)) |
| 67 | { |
| 68 | Image src = CONVERT_TO_IMAGE_STRUCT(src); |
| 69 | Image dst = CONVERT_TO_IMAGE_STRUCT(dst); |
| 70 | |
| 71 | short matrix_coeff[81] = |
| 72 | { |
| 73 | MAT0, MAT1, MAT2, MAT3, MAT4, MAT5, MAT6, MAT7, MAT8, |
| 74 | MAT9, MAT10, MAT11, MAT12, MAT13, MAT14, MAT15, MAT16, MAT17, |
| 75 | MAT18, MAT19, MAT20, MAT21, MAT22, MAT23, MAT24, MAT25, MAT26, |
| 76 | MAT27, MAT28, MAT29, MAT30, MAT31, MAT32, MAT33, MAT34, MAT35, |
| 77 | MAT36, MAT37, MAT38, MAT39, MAT40, MAT41, MAT42, MAT43, MAT44, |
| 78 | MAT45, MAT46, MAT47, MAT48, MAT49, MAT50, MAT51, MAT52, MAT53, |
| 79 | MAT54, MAT55, MAT56, MAT57, MAT58, MAT59, MAT60, MAT61, MAT62, |
| 80 | MAT63, MAT64, MAT65, MAT66, MAT67, MAT68, MAT69, MAT70, MAT71, |
| 81 | MAT72, MAT73, MAT74, MAT75, MAT76, MAT77, MAT78, MAT79, MAT80 |
| 82 | }; |
| 83 | |
| 84 | VEC_DATA_TYPE(DATA_TYPE, 8) |
| 85 | pixels = (VEC_DATA_TYPE(DATA_TYPE, 8))0; |
| 86 | |
| 87 | for(int i = 0; i < MATRIX_HEIGHT; i++) |
| 88 | { |
| 89 | #if MATRIX_WIDTH == 3 |
| 90 | pixels += convolution1x3(offset(&src, -1, -(MATRIX_HEIGHT / 2) + i), matrix_coeff[0 + i * 3], matrix_coeff[1 + i * 3], |
| 91 | matrix_coeff[2 + i * 3]); |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 92 | #endif /* MATRIX_WIDTH */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 93 | |
| 94 | #if MATRIX_WIDTH == 5 |
| 95 | pixels += convolution1x5(offset(&src, -2, -(MATRIX_HEIGHT / 2) + i), matrix_coeff[0 + i * 5], matrix_coeff[1 + i * 5], |
| 96 | matrix_coeff[2 + i * 5], matrix_coeff[3 + i * 5], matrix_coeff[4 + i * 5]); |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 97 | #endif /* MATRIX_WIDTH */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 98 | |
| 99 | #if MATRIX_WIDTH == 7 |
| 100 | pixels += convolution1x7(offset(&src, -3, -(MATRIX_HEIGHT / 2) + i), matrix_coeff[0 + i * 7], matrix_coeff[1 + i * 7], |
| 101 | matrix_coeff[2 + i * 7], matrix_coeff[3 + i * 7], matrix_coeff[4 + i * 7], |
| 102 | matrix_coeff[5 + i * 7], matrix_coeff[6 + i * 7]); |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 103 | #endif /* MATRIX_WIDTH */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 104 | |
| 105 | #if MATRIX_WIDTH == 9 |
| 106 | pixels += convolution1x9(offset(&src, -4, -(MATRIX_HEIGHT / 2) + i), matrix_coeff[0 + i * 9], matrix_coeff[1 + i * 9], |
| 107 | matrix_coeff[2 + i * 9], matrix_coeff[3 + i * 9], matrix_coeff[4 + i * 9], |
| 108 | matrix_coeff[5 + i * 9], matrix_coeff[6 + i * 9], matrix_coeff[7 + i * 9], matrix_coeff[8 + i * 9]); |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 109 | #endif /* MATRIX_WIDTH */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | pixels /= (VEC_DATA_TYPE(DATA_TYPE, 8))SCALE; |
| 113 | |
| 114 | // Store the result as is in dst |
| 115 | vstore8(CONVERT_SAT(pixels, VEC_DATA_TYPE(DATA_TYPE_OUT, 8)), 0, ((__global DATA_TYPE_OUT *)dst.ptr)); |
| 116 | } |
| 117 | |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 118 | #endif /* not DYNAMIC_MATRIX_CONVOLUTION */ |