From 6ff3b19ee6120edf015fad8caab2991faa3070af Mon Sep 17 00:00:00 2001 From: Anthony Barbier Date: Mon, 4 Sep 2017 18:44:23 +0100 Subject: COMPMID-344 Updated doxygen Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae --- src/core/CL/cl_kernels/depth_convert.cl | 98 +++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 src/core/CL/cl_kernels/depth_convert.cl (limited to 'src/core/CL/cl_kernels/depth_convert.cl') diff --git a/src/core/CL/cl_kernels/depth_convert.cl b/src/core/CL/cl_kernels/depth_convert.cl new file mode 100644 index 0000000000..c8eaa95352 --- /dev/null +++ b/src/core/CL/cl_kernels/depth_convert.cl @@ -0,0 +1,98 @@ +/* + * 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" + +#ifdef SATURATE +#define CONVERT_DOWN(x, type) CONVERT_SAT(x, type) +#else +#define CONVERT_DOWN(x, type) CONVERT(x, type) +#endif + +/** This function performs a down-scaling depth conversion. + * + * @attention The input and output data_types need to be passed at compile time using -DDATA_TYPE_IN and -DDATA_TYPE_OUT: + * e.g. -DDATA_TYPE_IN=uchar -DDATA_TYPE_OUT=short + * + * @param[in] in_ptr Pointer to the source image. Supported data types: U8, U16, S16, U32 or S32 + * @param[in] in_stride_x Stride of the source image in X dimension (in bytes) + * @param[in] in_step_x in_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] in_stride_y Stride of the source image in Y dimension (in bytes) + * @param[in] in_step_y in_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] in_offset_first_element_in_bytes The offset of the first element in the source image + * @param[out] out_ptr Pointer to the destination image. Supported data types: U8, U16, S16, U32 or S32 + * @param[in] out_stride_x Stride of the destination image in X dimension (in bytes) + * @param[in] out_step_x out_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] out_stride_y Stride of the destination image in Y dimension (in bytes) + * @param[in] out_step_y out_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination image + * @param[in] shift The integer shift amount value. Supported data types: S32 + */ +__kernel void convert_depth_down( + IMAGE_DECLARATION(in), + IMAGE_DECLARATION(out), + const int shift) +{ + // Get pixels pointer + Image in = CONVERT_TO_IMAGE_STRUCT(in); + Image out = CONVERT_TO_IMAGE_STRUCT(out); + + // Load data + VEC_DATA_TYPE(DATA_TYPE_IN, 16) + in_data = vload16(0, (__global DATA_TYPE_IN *)in.ptr); + vstore16(CONVERT_DOWN(in_data >> shift, VEC_DATA_TYPE(DATA_TYPE_OUT, 16)), 0, (__global DATA_TYPE_OUT *)out.ptr); +} + +/** This function performs a up-scaling depth conversion. + * + * @attention The input and output data_types need to be passed at compile time using -DDATA_TYPE_IN and -DDATA_TYPE_OUT: + * e.g. -DDATA_TYPE_IN=uchar -DDATA_TYPE_OUT=short + * + * @param[in] in_ptr Pointer to the source image. Supported data types: U8, U16, S16, U32 or S32 + * @param[in] in_stride_x Stride of the source image in X dimension (in bytes) + * @param[in] in_step_x in_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] in_stride_y Stride of the source image in Y dimension (in bytes) + * @param[in] in_step_y in_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] in_offset_first_element_in_bytes The offset of the first element in the source image + * @param[out] out_ptr Pointer to the destination image. Supported data types: U8, U16, S16, U32 or S32 + * @param[in] out_stride_x Stride of the destination image in X dimension (in bytes) + * @param[in] out_step_x out_stride_x * number of elements along X processed per workitem(in bytes) + * @param[in] out_stride_y Stride of the destination image in Y dimension (in bytes) + * @param[in] out_step_y out_stride_y * number of elements along Y processed per workitem(in bytes) + * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination image + * @param[in] shift The integer shift amount value. Supported data types: S32 + */ +__kernel void convert_depth_up( + IMAGE_DECLARATION(in), + IMAGE_DECLARATION(out), + const int shift) +{ + // Get pixels pointer + Image in = CONVERT_TO_IMAGE_STRUCT(in); + Image out = CONVERT_TO_IMAGE_STRUCT(out); + + // Load data + VEC_DATA_TYPE(DATA_TYPE_OUT, 16) + in_data = CONVERT(vload16(0, (__global DATA_TYPE_IN *)in.ptr), VEC_DATA_TYPE(DATA_TYPE_OUT, 16)); + vstore16(in_data << shift, 0, (__global DATA_TYPE_OUT *)out.ptr); +} -- cgit v1.2.1