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author | Anthony Barbier <anthony.barbier@arm.com> | 2017-09-04 18:44:23 +0100 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-09-17 13:03:09 +0100 |
commit | 6ff3b19ee6120edf015fad8caab2991faa3070af (patch) | |
tree | a7a6dcd16dfd56d79fa1b56a313caeebcc939b68 /src/core/CL/cl_kernels/accumulate.cl | |
download | ComputeLibrary-6ff3b19ee6120edf015fad8caab2991faa3070af.tar.gz |
COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
Diffstat (limited to 'src/core/CL/cl_kernels/accumulate.cl')
-rw-r--r-- | src/core/CL/cl_kernels/accumulate.cl | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/accumulate.cl b/src/core/CL/cl_kernels/accumulate.cl new file mode 100644 index 0000000000..39c1512c3c --- /dev/null +++ b/src/core/CL/cl_kernels/accumulate.cl @@ -0,0 +1,130 @@ +/* + * 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 accumulates an input image into output image. + * + * @param[in] input_ptr Pointer to the source image. Supported data types: U8 + * @param[in] input_stride_x Stride of the source image in X dimension (in bytes) + * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] input_stride_y Stride of the source image in Y dimension (in bytes) + * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] input_offset_first_element_in_bytes The offset of the first element in the source image + * @param[out] accu_ptr Pointer to the destination image. Supported data types: S16 + * @param[in] accu_stride_x Stride of the destination image in X dimension (in bytes) + * @param[in] accu_step_x accu_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] accu_stride_y Stride of the destination image in Y dimension (in bytes) + * @param[in] accu_step_y accu_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] accu_offset_first_element_in_bytes The offset of the first element in the destination image + */ +__kernel void accumulate( + IMAGE_DECLARATION(input), + IMAGE_DECLARATION(accu)) +{ + // Get pixels pointer + Image input = CONVERT_TO_IMAGE_STRUCT(input); + Image accu = CONVERT_TO_IMAGE_STRUCT(accu); + + // Load data + uchar16 in_data = vload16(0, input.ptr); + short16 accu_data = vload16(0, (__global short *)accu.ptr); + + // Perform accumulation + short16 res = add_sat(convert_short16(in_data), accu_data); + + // Store result + vstore16(res, 0, (__global short *)accu.ptr); +} + +/** This function accumulates a weighted value from an input image to an output image. + * + * @param[in] input_ptr Pointer to the source image. Supported data types: U8 + * @param[in] input_stride_x Stride of the source image in X dimension (in bytes) + * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] input_stride_y Stride of the source image in Y dimension (in bytes) + * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] input_offset_first_element_in_bytes The offset of the first element in the source image + * @param[out] accu_ptr Pointer to the destination image. Supported data types: S16 + * @param[in] accu_stride_x Stride of the destination image in X dimension (in bytes) + * @param[in] accu_step_x accu_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] accu_stride_y Stride of the destination image in Y dimension (in bytes) + * @param[in] accu_step_y accu_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] accu_offset_first_element_in_bytes The offset of the first element in the destination image + * @param[in] alpha The float scalar value with a value in the range of 0 to 1 + */ +__kernel void accumulate_weighted( + IMAGE_DECLARATION(input), + IMAGE_DECLARATION(accu), + const float alpha) +{ + // Get pixels pointer + Image input = CONVERT_TO_IMAGE_STRUCT(input); + Image accu = CONVERT_TO_IMAGE_STRUCT(accu); + + // Load data + const float16 in_data = convert_float16(vload16(0, input.ptr)); + const float16 accu_data = convert_float16(vload16(0, accu.ptr)); + + // Calculate weighted accumulation + const uchar16 res = convert_uchar16((1.0f - alpha) * accu_data + alpha * in_data); + + // Store result + vstore16(res, 0, accu.ptr); +} + +/** This function accumulates a squared value from an input image to an output image. + * + * @param[in] input_ptr Pointer to the source image. Supported data types: U8 + * @param[in] input_stride_x Stride of the source image in X dimension (in bytes) + * @param[in] input_step_x input_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] input_stride_y Stride of the source image in Y dimension (in bytes) + * @param[in] input_step_y input_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] input_offset_first_element_in_bytes The offset of the first element in the source image + * @param[out] accu_ptr Pointer to the destination image. Supported data types: S16 + * @param[in] accu_stride_x Stride of the destination image in X dimension (in bytes) + * @param[in] accu_step_x accu_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] accu_stride_y Stride of the destination image in Y dimension (in bytes) + * @param[in] accu_step_y accu_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] accu_offset_first_element_in_bytes The offset of the first element in the destination image + * @param[in] shift The U32 scalar value with a value in the range of 0 to 15 + */ +__kernel void accumulate_squared( + IMAGE_DECLARATION(input), + IMAGE_DECLARATION(accu), + const uint shift) +{ + // Get pixels pointer + Image input = CONVERT_TO_IMAGE_STRUCT(input); + Image accu = CONVERT_TO_IMAGE_STRUCT(accu); + + // Load data + ushort16 in_data = convert_ushort16(vload16(0, input.ptr)); + uint16 accu_data = convert_uint16(vload16(0, (__global short *)accu.ptr)); + + // Calculate squared accumulation + short16 res = convert_short16_sat(accu_data + convert_uint16((in_data * in_data) >> shift)); + + // Store result + vstore16(res, 0, (__global short *)accu.ptr); +} |