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/*
* Copyright (c) 2016-2018 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 /* SATURATE */
#define CONVERT_DOWN(x, type) CONVERT(x, type)
#endif /* SATURATE */
#define CONVERT_UP(x, type) CONVERT(x, type)
/** 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, S32, F16, F32
* @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, 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, S32, F16 or F32
* @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_IN, 16)
in_data = vload16(0, (__global DATA_TYPE_IN *)in.ptr);
vstore16(CONVERT_UP(in_data, VEC_DATA_TYPE(DATA_TYPE_OUT, 16)) << shift, 0, (__global DATA_TYPE_OUT *)out.ptr);
}
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