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Diffstat (limited to 'src/core/CL/cl_kernels/integral_image.cl')
| -rw-r--r-- | src/core/CL/cl_kernels/integral_image.cl | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/src/core/CL/cl_kernels/integral_image.cl b/src/core/CL/cl_kernels/integral_image.cl deleted file mode 100644 index 970e04e150..0000000000 --- a/src/core/CL/cl_kernels/integral_image.cl +++ /dev/null @@ -1,100 +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 function computes the horizontal integral of the image. - * - * @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: U32 - * @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 integral_horizontal( - IMAGE_DECLARATION(src), - IMAGE_DECLARATION(dst)) -{ - Image src = CONVERT_TO_IMAGE_STRUCT(src); - Image dst = CONVERT_TO_IMAGE_STRUCT(dst); - - uint prev = 0; - - for(uint j = 0; j < src_step_x; j += 16) - { - barrier(CLK_GLOBAL_MEM_FENCE); - uint16 res = convert_uint16(vload16(0, offset(&src, j, 0))); - res.s0 += prev; - res.s1 += res.s0; - res.s2 += res.s1; - res.s3 += res.s2; - res.s4 += res.s3; - res.s5 += res.s4; - res.s6 += res.s5; - res.s7 += res.s6; - res.s8 += res.s7; - res.s9 += res.s8; - res.sA += res.s9; - res.sB += res.sA; - res.sC += res.sB; - res.sD += res.sC; - res.sE += res.sD; - res.sF += res.sE; - prev = res.sF; - vstore16(res, 0, (__global uint *)offset(&dst, j, 0)); - } -} - -/** This function computes the vertical integral of the image. - * - * @param[in,out] src_ptr Pointer to the source image. Supported data types: U32 - * @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[in] height Image height. - */ -__kernel void integral_vertical( - IMAGE_DECLARATION(src), - uint height) -{ - Image src = CONVERT_TO_IMAGE_STRUCT(src); - - uint8 prev = vload8(0, (__global uint *)offset(&src, 0, 0)); - for(uint j = 1; j < height; ++j) - { - barrier(CLK_GLOBAL_MEM_FENCE); - uint8 res = vload8(0, (__global uint *)offset(&src, 0, j)); - res += prev; - vstore8(res, 0, (__global uint *)offset(&src, 0, j)); - prev = res; - } -} |