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Diffstat (limited to 'src/core/CL/cl_kernels/gaussian_pyramid.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/gaussian_pyramid.cl | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/src/core/CL/cl_kernels/gaussian_pyramid.cl b/src/core/CL/cl_kernels/gaussian_pyramid.cl deleted file mode 100644 index 618937f36d..0000000000 --- a/src/core/CL/cl_kernels/gaussian_pyramid.cl +++ /dev/null @@ -1,113 +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" - -/** Computes the Gaussian Filter 1x5 + sub-sampling along the X direction - * - * @note Each thread computes 8 pixels - * - * @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: U16 - * @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 gaussian1x5_sub_x( - IMAGE_DECLARATION(src), - IMAGE_DECLARATION(dst)) -{ - Image src = CONVERT_TO_IMAGE_STRUCT(src); - Image dst = CONVERT_TO_IMAGE_STRUCT(dst); - - // Load values for the convolution (20 bytes needed) - uchar16 temp0 = vload16(0, src.ptr); - uchar4 temp1 = vload4(0, src.ptr + 16); - - // Convert to USHORT8 - ushort8 l2_data = convert_ushort8((uchar8)(temp0.s02468ACE)); - ushort8 l1_data = convert_ushort8((uchar8)(temp0.s13579BDF)); - ushort8 m_data = convert_ushort8((uchar8)(temp0.s2468, temp0.sACE, temp1.s0)); - ushort8 r1_data = convert_ushort8((uchar8)(temp0.s3579, temp0.sBDF, temp1.s1)); - ushort8 r2_data = convert_ushort8((uchar8)(temp0.s468A, temp0.sCE, temp1.s02)); - - // Compute convolution along the X direction - ushort8 pixels = l2_data + r2_data; - pixels += l1_data * (ushort8)4; - pixels += m_data * (ushort8)6; - pixels += r1_data * (ushort8)4; - - // Store result - vstore8(pixels, 0, (__global ushort *)dst.ptr); -} - -/** Computes the Gaussian Filter 5x1 + sub-sampling along the Y direction - * - * @note Each thread computes 8 pixels - * - * @param[in] src_ptr Pointer to the source image. Supported data types: U16 - * @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 gaussian5x1_sub_y( - IMAGE_DECLARATION(src), - IMAGE_DECLARATION(dst)) -{ - Image src = CONVERT_TO_IMAGE_STRUCT(src); - Image dst = CONVERT_TO_IMAGE_STRUCT(dst); - - // Load values - ushort8 u2_data = vload8(0, (__global ushort *)offset(&src, 0, 0)); - ushort8 u1_data = vload8(0, (__global ushort *)offset(&src, 0, 1)); - ushort8 m_data = vload8(0, (__global ushort *)offset(&src, 0, 2)); - ushort8 d1_data = vload8(0, (__global ushort *)offset(&src, 0, 3)); - ushort8 d2_data = vload8(0, (__global ushort *)offset(&src, 0, 4)); - - // Compute convolution along the Y direction - ushort8 pixels = u2_data + d2_data; - pixels += u1_data * (ushort8)4; - pixels += m_data * (ushort8)6; - pixels += d1_data * (ushort8)4; - - // Scale result - pixels >>= (ushort8)8; - - // Store result - vstore8(convert_uchar8_sat(pixels), 0, dst.ptr); -} |