| /* |
| * 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 |
| #if defined(IS_DATA_TYPE_FLOAT) |
| #define CONVERT_RTE(x, type) (convert_##type##_rte((x))) |
| #define CONVERT_DOWN(x, type) CONVERT_RTE(x, type) |
| #else /* defined(IS_DATA_TYPE_FLOAT) */ |
| #define CONVERT_DOWN(x, type) CONVERT_SAT(x, type) |
| #endif /* defined(IS_DATA_TYPE_FLOAT) */ |
| #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/F16/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_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); |
| |
| #if defined(IS_DATA_TYPE_FLOAT) |
| vstore16(CONVERT_DOWN(in_data, VEC_DATA_TYPE(DATA_TYPE_OUT, 16)), 0, (__global DATA_TYPE_OUT *)out.ptr); |
| #else /* defined(IS_DATA_TYPE_FLOAT) */ |
| vstore16(CONVERT_DOWN(in_data >> shift, VEC_DATA_TYPE(DATA_TYPE_OUT, 16)), 0, (__global DATA_TYPE_OUT *)out.ptr); |
| #endif /* defined(IS_DATA_TYPE_FLOAT) */ |
| } |
| |
| /** 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/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/F16/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); |
| |
| #if defined(IS_DATA_TYPE_FLOAT) |
| vstore16(CONVERT_UP(in_data, VEC_DATA_TYPE(DATA_TYPE_OUT, 16)), 0, (__global DATA_TYPE_OUT *)out.ptr); |
| #else /* defined(IS_DATA_TYPE_FLOAT) */ |
| vstore16(CONVERT_UP(in_data, VEC_DATA_TYPE(DATA_TYPE_OUT, 16)) << shift, 0, (__global DATA_TYPE_OUT *)out.ptr); |
| #endif /* defined(IS_DATA_TYPE_FLOAT) */ |
| } |