diff options
Diffstat (limited to 'src/core/CL/cl_kernels/non_linear_filter5x5.cl')
-rw-r--r-- | src/core/CL/cl_kernels/non_linear_filter5x5.cl | 483 |
1 files changed, 0 insertions, 483 deletions
diff --git a/src/core/CL/cl_kernels/non_linear_filter5x5.cl b/src/core/CL/cl_kernels/non_linear_filter5x5.cl deleted file mode 100644 index 7c87284a72..0000000000 --- a/src/core/CL/cl_kernels/non_linear_filter5x5.cl +++ /dev/null @@ -1,483 +0,0 @@ -/* - * 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" -#include "non_linear_filter_helpers.h" - -// Sorting networks below were generated using http://pages.ripco.net/~jgamble/nw.html - -/** Sorting network to sort 8 disks of diameter 5 and return their median. - * - * @param[in] top2 Values of elements two rows above. - * @param[in] top Values of elements one row above. - * @param[in] middle Values of middle elements. - * @param[in] bottom Values of elements one row below. - * @param[in] bottom2 Values of elements two rows below. - * - * @return Median values for 8 elements. - */ -inline uchar8 median_disk5x5(uchar16 top2, uchar16 top, uchar16 middle, uchar16 bottom, uchar16 bottom2) -{ - uchar8 p0 = top2.s01234567; - uchar8 p1 = top2.s12345678; - uchar8 p2 = top2.s23456789; - uchar8 p3 = top.s01234567; - uchar8 p4 = top.s12345678; - uchar8 p5 = top.s23456789; - uchar8 p6 = top.s3456789A; - uchar8 p7 = top.s456789AB; - uchar8 p8 = middle.s01234567; - uchar8 p9 = middle.s12345678; - uchar8 p10 = middle.s23456789; - uchar8 p11 = middle.s3456789A; - uchar8 p12 = middle.s456789AB; - uchar8 p13 = bottom.s01234567; - uchar8 p14 = bottom.s12345678; - uchar8 p15 = bottom.s23456789; - uchar8 p16 = bottom.s3456789A; - uchar8 p17 = bottom.s456789AB; - uchar8 p18 = bottom2.s01234567; - uchar8 p19 = bottom2.s12345678; - uchar8 p20 = bottom2.s23456789; - - SORT(p0, p1); - SORT(p2, p3); - SORT(p4, p5); - SORT(p6, p7); - SORT(p8, p9); - SORT(p10, p11); - SORT(p12, p13); - SORT(p14, p15); - SORT(p16, p17); - SORT(p18, p19); - SORT(p0, p2); - SORT(p1, p3); - SORT(p4, p6); - SORT(p5, p7); - SORT(p8, p10); - SORT(p9, p11); - SORT(p12, p14); - SORT(p13, p15); - SORT(p16, p18); - SORT(p17, p19); - SORT(p1, p2); - SORT(p5, p6); - SORT(p0, p4); - SORT(p3, p7); - SORT(p9, p10); - SORT(p13, p14); - SORT(p8, p12); - SORT(p11, p15); - SORT(p17, p18); - SORT(p16, p20); - SORT(p1, p5); - SORT(p2, p6); - SORT(p9, p13); - SORT(p10, p14); - SORT(p0, p8); - SORT(p7, p15); - SORT(p17, p20); - SORT(p1, p4); - SORT(p3, p6); - SORT(p9, p12); - SORT(p11, p14); - SORT(p18, p20); - SORT(p0, p16); - SORT(p2, p4); - SORT(p3, p5); - SORT(p10, p12); - SORT(p11, p13); - SORT(p1, p9); - SORT(p6, p14); - SORT(p19, p20); - SORT(p3, p4); - SORT(p11, p12); - SORT(p1, p8); - SORT(p2, p10); - SORT(p5, p13); - SORT(p7, p14); - SORT(p3, p11); - SORT(p2, p8); - SORT(p4, p12); - SORT(p7, p13); - SORT(p1, p17); - SORT(p3, p10); - SORT(p5, p12); - SORT(p1, p16); - SORT(p2, p18); - SORT(p3, p9); - SORT(p6, p12); - SORT(p2, p16); - SORT(p3, p8); - SORT(p7, p12); - SORT(p5, p9); - SORT(p6, p10); - SORT(p4, p8); - SORT(p7, p11); - SORT(p3, p19); - SORT(p5, p8); - SORT(p7, p10); - SORT(p3, p18); - SORT(p4, p20); - SORT(p6, p8); - SORT(p7, p9); - SORT(p3, p17); - SORT(p5, p20); - SORT(p7, p8); - SORT(p3, p16); - SORT(p6, p20); - SORT(p5, p17); - SORT(p7, p20); - SORT(p4, p16); - SORT(p6, p18); - SORT(p5, p16); - SORT(p7, p19); - SORT(p7, p18); - SORT(p6, p16); - SORT(p7, p17); - SORT(p10, p18); - SORT(p7, p16); - SORT(p9, p17); - SORT(p8, p16); - SORT(p9, p16); - SORT(p10, p16); - - return p10; -} - -/** Sorting network to sort 8 boxes of size 5 and return their median. - * - * @param[in] top2 Values of elements two rows above. - * @param[in] top Values of elements one row above. - * @param[in] middle Values of middle elements. - * @param[in] bottom Values of elements one row below. - * @param[in] bottom2 Values of elements two rows below. - * - * @return Median values for 8 elements. - */ -inline uchar8 median_box5x5(uchar16 top2, uchar16 top, uchar16 middle, uchar16 bottom, uchar16 bottom2) -{ - uchar8 p0 = top2.s01234567; - uchar8 p1 = top2.s12345678; - uchar8 p2 = top2.s23456789; - uchar8 p3 = top2.s3456789A; - uchar8 p4 = top2.s456789AB; - uchar8 p5 = top.s01234567; - uchar8 p6 = top.s12345678; - uchar8 p7 = top.s23456789; - uchar8 p8 = top.s3456789A; - uchar8 p9 = top.s456789AB; - uchar8 p10 = middle.s01234567; - uchar8 p11 = middle.s12345678; - uchar8 p12 = middle.s23456789; - uchar8 p13 = middle.s3456789A; - uchar8 p14 = middle.s456789AB; - uchar8 p15 = bottom.s01234567; - uchar8 p16 = bottom.s12345678; - uchar8 p17 = bottom.s23456789; - uchar8 p18 = bottom.s3456789A; - uchar8 p19 = bottom.s456789AB; - uchar8 p20 = bottom2.s01234567; - uchar8 p21 = bottom2.s12345678; - uchar8 p22 = bottom2.s23456789; - uchar8 p23 = bottom2.s3456789A; - uchar8 p24 = bottom2.s456789AB; - - SORT(p1, p2); - SORT(p0, p1); - SORT(p1, p2); - SORT(p4, p5); - SORT(p3, p4); - SORT(p4, p5); - SORT(p0, p3); - SORT(p2, p5); - SORT(p2, p3); - SORT(p1, p4); - SORT(p1, p2); - SORT(p3, p4); - SORT(p7, p8); - SORT(p6, p7); - SORT(p7, p8); - SORT(p10, p11); - SORT(p9, p10); - SORT(p10, p11); - SORT(p6, p9); - SORT(p8, p11); - SORT(p8, p9); - SORT(p7, p10); - SORT(p7, p8); - SORT(p9, p10); - SORT(p0, p6); - SORT(p4, p10); - SORT(p4, p6); - SORT(p2, p8); - SORT(p2, p4); - SORT(p6, p8); - SORT(p1, p7); - SORT(p5, p11); - SORT(p5, p7); - SORT(p3, p9); - SORT(p3, p5); - SORT(p7, p9); - SORT(p1, p2); - SORT(p3, p4); - SORT(p5, p6); - SORT(p7, p8); - SORT(p9, p10); - SORT(p13, p14); - SORT(p12, p13); - SORT(p13, p14); - SORT(p16, p17); - SORT(p15, p16); - SORT(p16, p17); - SORT(p12, p15); - SORT(p14, p17); - SORT(p14, p15); - SORT(p13, p16); - SORT(p13, p14); - SORT(p15, p16); - SORT(p19, p20); - SORT(p18, p19); - SORT(p19, p20); - SORT(p21, p22); - SORT(p23, p24); - SORT(p21, p23); - SORT(p22, p24); - SORT(p22, p23); - SORT(p18, p21); - SORT(p20, p23); - SORT(p20, p21); - SORT(p19, p22); - SORT(p22, p24); - SORT(p19, p20); - SORT(p21, p22); - SORT(p23, p24); - SORT(p12, p18); - SORT(p16, p22); - SORT(p16, p18); - SORT(p14, p20); - SORT(p20, p24); - SORT(p14, p16); - SORT(p18, p20); - SORT(p22, p24); - SORT(p13, p19); - SORT(p17, p23); - SORT(p17, p19); - SORT(p15, p21); - SORT(p15, p17); - SORT(p19, p21); - SORT(p13, p14); - SORT(p15, p16); - SORT(p17, p18); - SORT(p19, p20); - SORT(p21, p22); - SORT(p23, p24); - SORT(p0, p12); - SORT(p8, p20); - SORT(p8, p12); - SORT(p4, p16); - SORT(p16, p24); - SORT(p12, p16); - SORT(p2, p14); - SORT(p10, p22); - SORT(p10, p14); - SORT(p6, p18); - SORT(p6, p10); - SORT(p10, p12); - SORT(p1, p13); - SORT(p9, p21); - SORT(p9, p13); - SORT(p5, p17); - SORT(p13, p17); - SORT(p3, p15); - SORT(p11, p23); - SORT(p11, p15); - SORT(p7, p19); - SORT(p7, p11); - SORT(p11, p13); - SORT(p11, p12); - return p12; -} - -/** This function applies a non linear filter on a 5x5 box basis on an input image. - * - * @note The needed filter operation is defined through the preprocessor by passing either -DMIN, -DMAX or -DMEDIAN. - * - * @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 - * @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 non_linear_filter_box5x5( - IMAGE_DECLARATION(src), - IMAGE_DECLARATION(dst)) -{ - Image src = CONVERT_TO_IMAGE_STRUCT(src); - Image dst = CONVERT_TO_IMAGE_STRUCT(dst); - - // Load values - uchar16 top2 = vload16(0, offset(&src, -2, -2)); - uchar16 top = vload16(0, offset(&src, -2, -1)); - uchar16 middle = vload16(0, offset(&src, -2, 0)); - uchar16 bottom = vload16(0, offset(&src, -2, 1)); - uchar16 bottom2 = vload16(0, offset(&src, -2, 2)); - - // Apply respective filter -#ifdef MIN - uchar16 tmp = min(middle, min(min(top2, top), min(bottom, bottom2))); - uchar8 out = row_reduce_min_5(tmp); -#elif defined(MAX) - uchar16 tmp = max(middle, max(max(top2, top), max(bottom, bottom2))); - uchar8 out = row_reduce_max_5(tmp); -#elif defined(MEDIAN) - uchar8 out = median_box5x5(top2, top, middle, bottom, bottom2); -#else /* MIN or MAX or MEDIAN */ -#error "Unsupported filter function" -#endif /* MIN or MAX or MEDIAN */ - - // Store result - vstore8(out, 0, dst.ptr); -} - -/** This function applies a non linear filter on a 5x5 cross basis on an input image. - * - * @note The needed filter operation is defined through the preprocessor by passing either -DMIN, -DMAX or -DMEDIAN. - * - * @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 - * @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 non_linear_filter_cross5x5( - IMAGE_DECLARATION(src), - IMAGE_DECLARATION(dst)) -{ - Image src = CONVERT_TO_IMAGE_STRUCT(src); - Image dst = CONVERT_TO_IMAGE_STRUCT(dst); - - // Load values - uchar8 top2 = vload8(0, offset(&src, 0, -2)); - uchar8 top = vload8(0, offset(&src, 0, -1)); - uchar16 middle = vload16(0, offset(&src, -2, 0)); - uchar8 bottom = vload8(0, offset(&src, 0, 1)); - uchar8 bottom2 = vload8(0, offset(&src, 0, 2)); - - // Apply respective filter -#ifdef MIN - uchar8 tmp_middle = row_reduce_min_5(middle); - uchar8 out = min(tmp_middle, min(min(top2, top), min(bottom, bottom2))); -#elif defined(MAX) - uchar8 tmp_middle = row_reduce_max_5(middle); - uchar8 out = max(tmp_middle, max(max(top2, top.s01234567), max(bottom, bottom2))); -#elif defined(MEDIAN) - uchar8 p0 = top2; - uchar8 p1 = top; - uchar8 p2 = middle.s01234567; - uchar8 p3 = middle.s12345678; - uchar8 p4 = middle.s23456789; - uchar8 p5 = middle.s3456789A; - uchar8 p6 = middle.s456789AB; - uchar8 p7 = bottom; - uchar8 p8 = bottom2; - uchar8 out = sort9(p0, p1, p2, p3, p4, p5, p6, p7, p8); -#else /* MIN or MAX or MEDIAN */ -#error "Unsupported filter function" -#endif /* MIN or MAX or MEDIAN */ - - // Store result - vstore8(out, 0, dst.ptr); -} - -/** This function applies a non linear filter on a 5x5 disk basis on an input image. - * - * @note The needed filter operation is defined through the preprocessor by passing either -DMIN, -DMAX or -DMEDIAN. - * - * @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 - * @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 non_linear_filter_disk5x5( - IMAGE_DECLARATION(src), - IMAGE_DECLARATION(dst)) -{ - Image src = CONVERT_TO_IMAGE_STRUCT(src); - Image dst = CONVERT_TO_IMAGE_STRUCT(dst); - - // Load values - uchar16 top2 = vload16(0, offset(&src, -2, -2)); - uchar16 top = vload16(0, offset(&src, -2, -1)); - uchar16 middle = vload16(0, offset(&src, -2, 0)); - uchar16 bottom = vload16(0, offset(&src, -2, 1)); - uchar16 bottom2 = vload16(0, offset(&src, -2, 2)); - - // Shift top2 and bottom2 values - top2 = top2.s123456789ABCDEFF; - bottom2 = bottom2.s123456789ABCDEFF; - - // Apply respective filter -#ifdef MIN - uchar16 tmp_3 = min(top2, bottom2); - uchar16 tmp_5 = min(middle, min(top, bottom)); - uchar8 tmp_3_red = row_reduce_min_3(tmp_3); - uchar8 tmp_5_red = row_reduce_min_5(tmp_5); - uchar8 out = min(tmp_3_red, tmp_5_red); -#elif defined(MAX) - uchar16 tmp_3 = max(top2, bottom2); - uchar16 tmp_5 = max(middle, max(top, bottom)); - uchar8 tmp_3_red = row_reduce_max_3(tmp_3); - uchar8 tmp_5_red = row_reduce_max_5(tmp_5); - uchar8 out = max(tmp_3_red, tmp_5_red); -#elif defined(MEDIAN) - uchar8 out = median_disk5x5(top2, top, middle, bottom, bottom2); -#else /* MIN or MAX or MEDIAN */ -#error "Unsupported filter function" -#endif /* MIN or MAX or MEDIAN */ - - // Store result - vstore8(out, 0, dst.ptr); -} |