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Diffstat (limited to 'src/core/CL/cl_kernels/non_linear_filter3x3.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/non_linear_filter3x3.cl | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/src/core/CL/cl_kernels/non_linear_filter3x3.cl b/src/core/CL/cl_kernels/non_linear_filter3x3.cl deleted file mode 100644 index 19118ea23b..0000000000 --- a/src/core/CL/cl_kernels/non_linear_filter3x3.cl +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Copyright (c) 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" - -/** This function applies a non linear filter on a 3x3 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_box3x3( - IMAGE_DECLARATION(src), - IMAGE_DECLARATION(dst)) -{ - Image src = CONVERT_TO_IMAGE_STRUCT(src); - Image dst = CONVERT_TO_IMAGE_STRUCT(dst); - - // Load values - uchar16 top = vload16(0, offset(&src, -1, -1)); - uchar16 middle = vload16(0, offset(&src, -1, 0)); - uchar16 bottom = vload16(0, offset(&src, -1, 1)); - - // Apply respective filter -#ifdef MIN - uchar16 tmp = min(top, min(middle, bottom)); - uchar8 out = row_reduce_min_3(tmp); -#elif defined(MAX) - uchar16 tmp = max(top, max(middle, bottom)); - uchar8 out = row_reduce_max_3(tmp); -#elif defined(MEDIAN) - uchar8 p0 = top.s01234567; - uchar8 p1 = top.s12345678; - uchar8 p2 = top.s23456789; - uchar8 p3 = middle.s01234567; - uchar8 p4 = middle.s12345678; - uchar8 p5 = middle.s23456789; - uchar8 p6 = bottom.s01234567; - uchar8 p7 = bottom.s12345678; - uchar8 p8 = bottom.s23456789; - 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 3x3 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_cross3x3( - IMAGE_DECLARATION(src), - IMAGE_DECLARATION(dst)) -{ - Image src = CONVERT_TO_IMAGE_STRUCT(src); - Image dst = CONVERT_TO_IMAGE_STRUCT(dst); - - // Load values - uchar8 top = vload8(0, offset(&src, 0, -1)); - uchar16 middle = vload16(0, offset(&src, -1, 0)); - uchar8 bottom = vload8(0, offset(&src, 0, 1)); - - // Apply respective filter -#ifdef MIN - uchar8 tmp_middle = row_reduce_min_3(middle); - uchar8 out = min(tmp_middle, min(top, bottom)); -#elif defined(MAX) - uchar8 tmp_middle = row_reduce_max_3(middle); - uchar8 out = max(tmp_middle, max(top, bottom)); -#elif defined(MEDIAN) - uchar8 p0 = top.s01234567; - uchar8 p1 = middle.s01234567; - uchar8 p2 = middle.s12345678; - uchar8 p3 = middle.s23456789; - uchar8 p4 = bottom.s01234567; - uchar8 out = sort5(p0, p1, p2, p3, p4); -#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 3x3 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_disk3x3( - IMAGE_DECLARATION(src), - IMAGE_DECLARATION(dst)) -{ - Image src = CONVERT_TO_IMAGE_STRUCT(src); - Image dst = CONVERT_TO_IMAGE_STRUCT(dst); - - // Load values - uchar16 top = vload16(0, offset(&src, -1, -1)); - uchar16 middle = vload16(0, offset(&src, -1, 0)); - uchar16 bottom = vload16(0, offset(&src, -1, 1)); - - // Apply respective filter -#ifdef MIN - uchar16 tmp = min(top, min(middle, bottom)); - uchar8 out = row_reduce_min_3(tmp); -#elif defined(MAX) - uchar16 tmp = max(top, max(middle, bottom)); - uchar8 out = row_reduce_max_3(tmp); -#elif defined(MEDIAN) - uchar8 p0 = top.s01234567; - uchar8 p1 = top.s12345678; - uchar8 p2 = top.s23456789; - uchar8 p3 = middle.s01234567; - uchar8 p4 = middle.s12345678; - uchar8 p5 = middle.s23456789; - uchar8 p6 = bottom.s01234567; - uchar8 p7 = bottom.s12345678; - uchar8 p8 = bottom.s23456789; - 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); -} |