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Diffstat (limited to 'src/core/CL/cl_kernels/scharr_filter.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/scharr_filter.cl | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/src/core/CL/cl_kernels/scharr_filter.cl b/src/core/CL/cl_kernels/scharr_filter.cl deleted file mode 100644 index d9b5d07837..0000000000 --- a/src/core/CL/cl_kernels/scharr_filter.cl +++ /dev/null @@ -1,124 +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" - -/** This OpenCL kernel computes Scharr3x3. - * - * @attention To enable computation of the X gradient -DGRAD_X must be passed at compile time, while computation of the Y gradient - * is performed when -DGRAD_Y is used. You can use both when computation of both gradients is required. - * - * @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_gx_ptr Pointer to the destination image Supported data types: S16 - * @param[in] dst_gx_stride_x Stride of the destination image in X dimension (in bytes) - * @param[in] dst_gx_step_x dst_gx_stride_x * number of elements along X processed per workitem(in bytes) - * @param[in] dst_gx_stride_y Stride of the destination image in Y dimension (in bytes) - * @param[in] dst_gx_step_y dst_gx_stride_y * number of elements along Y processed per workitem(in bytes) - * @param[in] dst_gx_offset_first_element_in_bytes The offset of the first element in the destination image - * @param[out] dst_gy_ptr Pointer to the destination image. Supported data types: S16 - * @param[in] dst_gy_stride_x Stride of the destination image in X dimension (in bytes) - * @param[in] dst_gy_step_x dst_gy_stride_x * number of elements along X processed per workitem(in bytes) - * @param[in] dst_gy_stride_y Stride of the destination image in Y dimension (in bytes) - * @param[in] dst_gy_step_y dst_gy_stride_y * number of elements along Y processed per workitem(in bytes) - * @param[in] dst_gy_offset_first_element_in_bytes The offset of the first element in the destination image - */ -__kernel void scharr3x3( - IMAGE_DECLARATION(src) -#ifdef GRAD_X - , - IMAGE_DECLARATION(dst_gx) -#endif /* GRAD_X */ -#ifdef GRAD_Y - , - IMAGE_DECLARATION(dst_gy) -#endif /* GRAD_Y */ -) -{ - Image src = CONVERT_TO_IMAGE_STRUCT(src); -#ifdef GRAD_X - Image dst_gx = CONVERT_TO_IMAGE_STRUCT(dst_gx); -#endif /* GRAD_X */ -#ifdef GRAD_Y - Image dst_gy = CONVERT_TO_IMAGE_STRUCT(dst_gy); -#endif /* GRAD_Y */ - - // Output pixels -#ifdef GRAD_X - short8 gx = (short8)0; -#endif /* GRAD_X */ -#ifdef GRAD_Y - short8 gy = (short8)0; -#endif /* GRAD_Y */ - - // Row0 - uchar16 temp = vload16(0, offset(&src, -1, -1)); - short8 left = convert_short8(temp.s01234567); - short8 middle = convert_short8(temp.s12345678); - short8 right = convert_short8(temp.s23456789); -#ifdef GRAD_X - gx += left * (short8)(-3); - gx += right * (short8)(+3); -#endif /* GRAD_X */ -#ifdef GRAD_Y - gy += left * (short8)(-3); - gy += middle * (short8)(-10); - gy += right * (short8)(-3); -#endif /* GRAD_Y */ - - // Row1 - temp = vload16(0, offset(&src, -1, 0)); - left = convert_short8(temp.s01234567); - right = convert_short8(temp.s23456789); -#ifdef GRAD_X - gx += left * (short8)(-10); - gx += right * (short8)(+10); -#endif /* GRAD_X */ - - // Row2 - temp = vload16(0, offset(&src, -1, 1)); - left = convert_short8(temp.s01234567); - middle = convert_short8(temp.s12345678); - right = convert_short8(temp.s23456789); -#ifdef GRAD_X - gx += left * (short8)(-3); - gx += right * (short8)(+3); -#endif /* GRAD_X */ -#ifdef GRAD_Y - gy += left * (short8)(+3); - gy += middle * (short8)(+10); - gy += right * (short8)(+3); -#endif /* GRAD_Y */ - - // Store results -#ifdef GRAD_X - vstore8(gx, 0, ((__global short *)dst_gx.ptr)); -#endif /* GRAD_X */ -#ifdef GRAD_Y - vstore8(gy, 0, ((__global short *)dst_gy.ptr)); -#endif /* GRAD_Y */ -} |