Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016, 2017 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "helpers.h" |
| 25 | |
steniu01 | da37e2f | 2017-06-29 10:14:58 +0100 | [diff] [blame^] | 26 | #if defined(FIXED_POINT_POSITION) |
| 27 | |
| 28 | #include "fixed_point.h" |
| 29 | |
| 30 | #ifdef SATURATE |
| 31 | #define CONVERT_DOWN(x, in_type, out_type, fixed_point_position) CONVERT_DOWN1_SAT(x, in_type, out_type, fixed_point_position) |
| 32 | #define CONVERT_DOWN1_SAT(x, in_type, out_type, fixed_point_position) convert_##out_type##_##in_type##_sat(x, fixed_point_position) |
| 33 | #else /* SATURATE */ |
| 34 | #define CONVERT_DOWN(x, in_type, out_type, fixed_point_position) CONVERT_DOWN1(x, in_type, out_type, fixed_point_position) |
| 35 | #define CONVERT_DOWN1(x, in_type, out_type, fixed_point_position) convert_##out_type##_##in_type(x, fixed_point_position) |
| 36 | #endif /* SATURATE */ |
| 37 | |
| 38 | #define CONVERT_UP(x, in_type, out_type, fixed_point_position) CONVERT_UP1(x, in_type, out_type, fixed_point_position) |
| 39 | #define CONVERT_UP1(x, in_type, out_type, fixed_point_position) convert_##out_type##_##in_type(x, fixed_point_position) |
| 40 | |
| 41 | #else /* FIXED_POINT_POSITION */ |
| 42 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 43 | #ifdef SATURATE |
| 44 | #define CONVERT_DOWN(x, type) CONVERT_SAT(x, type) |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 45 | #else /* SATURATE */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 46 | #define CONVERT_DOWN(x, type) CONVERT(x, type) |
Anthony Barbier | ac69aa1 | 2017-07-03 17:39:37 +0100 | [diff] [blame] | 47 | #endif /* SATURATE */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 48 | |
steniu01 | da37e2f | 2017-06-29 10:14:58 +0100 | [diff] [blame^] | 49 | #define CONVERT_UP(x, type) CONVERT(x, type) |
| 50 | |
| 51 | #endif /* FIXED_POINT_POSITION */ |
| 52 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 53 | /** This function performs a down-scaling depth conversion. |
| 54 | * |
| 55 | * @attention The input and output data_types need to be passed at compile time using -DDATA_TYPE_IN and -DDATA_TYPE_OUT: |
| 56 | * e.g. -DDATA_TYPE_IN=uchar -DDATA_TYPE_OUT=short |
| 57 | * |
steniu01 | da37e2f | 2017-06-29 10:14:58 +0100 | [diff] [blame^] | 58 | * @note In case of fixed-point operation -DFIXED_POINT_POSITION=fixed_point_position must be provided: e.g. -DFIXED_POINT_POSITION=3 |
| 59 | * |
| 60 | * @param[in] in_ptr Pointer to the source image. Supported data types: U8, U16, S16, U32, S32, F16, F32 |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 61 | * @param[in] in_stride_x Stride of the source image in X dimension (in bytes) |
| 62 | * @param[in] in_step_x in_stride_x * number of elements along X processed per workitem(in bytes) |
| 63 | * @param[in] in_stride_y Stride of the source image in Y dimension (in bytes) |
| 64 | * @param[in] in_step_y in_stride_y * number of elements along Y processed per workitem(in bytes) |
| 65 | * @param[in] in_offset_first_element_in_bytes The offset of the first element in the source image |
steniu01 | da37e2f | 2017-06-29 10:14:58 +0100 | [diff] [blame^] | 66 | * @param[out] out_ptr Pointer to the destination image. Supported data types: QS8, U8, QS16, U16, S16, U32, S32 |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 67 | * @param[in] out_stride_x Stride of the destination image in X dimension (in bytes) |
| 68 | * @param[in] out_step_x out_stride_x * number of elements along X processed per workitem(in bytes) |
| 69 | * @param[in] out_stride_y Stride of the destination image in Y dimension (in bytes) |
| 70 | * @param[in] out_step_y out_stride_y * number of elements along Y processed per workitem(in bytes) |
| 71 | * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination image |
| 72 | * @param[in] shift The integer shift amount value. Supported data types: S32 |
| 73 | */ |
| 74 | __kernel void convert_depth_down( |
| 75 | IMAGE_DECLARATION(in), |
| 76 | IMAGE_DECLARATION(out), |
| 77 | const int shift) |
| 78 | { |
| 79 | // Get pixels pointer |
| 80 | Image in = CONVERT_TO_IMAGE_STRUCT(in); |
| 81 | Image out = CONVERT_TO_IMAGE_STRUCT(out); |
| 82 | |
| 83 | // Load data |
| 84 | VEC_DATA_TYPE(DATA_TYPE_IN, 16) |
| 85 | in_data = vload16(0, (__global DATA_TYPE_IN *)in.ptr); |
steniu01 | da37e2f | 2017-06-29 10:14:58 +0100 | [diff] [blame^] | 86 | |
| 87 | #if defined(FIXED_POINT_POSITION) |
| 88 | vstore16(CONVERT_DOWN(in_data, VEC_DATA_TYPE(DATA_TYPE_IN, 16), VEC_DATA_TYPE(DATA_TYPE_OUT, 16), FIXED_POINT_POSITION), 0, (__global DATA_TYPE_OUT *)out.ptr); |
| 89 | #else /* FIXED_POINT_POSITION */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 90 | vstore16(CONVERT_DOWN(in_data >> shift, VEC_DATA_TYPE(DATA_TYPE_OUT, 16)), 0, (__global DATA_TYPE_OUT *)out.ptr); |
steniu01 | da37e2f | 2017-06-29 10:14:58 +0100 | [diff] [blame^] | 91 | #endif /* FIXED_POINT_POSITION */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | /** This function performs a up-scaling depth conversion. |
| 95 | * |
| 96 | * @attention The input and output data_types need to be passed at compile time using -DDATA_TYPE_IN and -DDATA_TYPE_OUT: |
| 97 | * e.g. -DDATA_TYPE_IN=uchar -DDATA_TYPE_OUT=short |
| 98 | * |
steniu01 | da37e2f | 2017-06-29 10:14:58 +0100 | [diff] [blame^] | 99 | * @note In case of fixed-point operation -DFIXED_POINT_POSITION=fixed_point_position must be provided: e.g. -DFIXED_POINT_POSITION=3 |
| 100 | * |
| 101 | * @param[in] in_ptr Pointer to the source image. Supported data types: U8, QS8, U16, S16, QS16, U32 or S32 |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 102 | * @param[in] in_stride_x Stride of the source image in X dimension (in bytes) |
| 103 | * @param[in] in_step_x in_stride_x * number of elements along X processed per workitem(in bytes) |
| 104 | * @param[in] in_stride_y Stride of the source image in Y dimension (in bytes) |
| 105 | * @param[in] in_step_y in_stride_y * number of elements along Y processed per workitem(in bytes) |
| 106 | * @param[in] in_offset_first_element_in_bytes The offset of the first element in the source image |
steniu01 | da37e2f | 2017-06-29 10:14:58 +0100 | [diff] [blame^] | 107 | * @param[out] out_ptr Pointer to the destination image. Supported data types: U8, U16, S16, U32, S32, F16 or F32 |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 108 | * @param[in] out_stride_x Stride of the destination image in X dimension (in bytes) |
| 109 | * @param[in] out_step_x out_stride_x * number of elements along X processed per workitem(in bytes) |
| 110 | * @param[in] out_stride_y Stride of the destination image in Y dimension (in bytes) |
| 111 | * @param[in] out_step_y out_stride_y * number of elements along Y processed per workitem(in bytes) |
| 112 | * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination image |
| 113 | * @param[in] shift The integer shift amount value. Supported data types: S32 |
| 114 | */ |
| 115 | __kernel void convert_depth_up( |
| 116 | IMAGE_DECLARATION(in), |
| 117 | IMAGE_DECLARATION(out), |
| 118 | const int shift) |
| 119 | { |
| 120 | // Get pixels pointer |
| 121 | Image in = CONVERT_TO_IMAGE_STRUCT(in); |
| 122 | Image out = CONVERT_TO_IMAGE_STRUCT(out); |
| 123 | |
| 124 | // Load data |
steniu01 | da37e2f | 2017-06-29 10:14:58 +0100 | [diff] [blame^] | 125 | VEC_DATA_TYPE(DATA_TYPE_IN, 16) |
| 126 | in_data = vload16(0, (__global DATA_TYPE_IN *)in.ptr); |
| 127 | |
| 128 | #if defined(FIXED_POINT_POSITION) |
| 129 | vstore16(CONVERT_UP(in_data, VEC_DATA_TYPE(DATA_TYPE_IN, 16), VEC_DATA_TYPE(DATA_TYPE_OUT, 16), FIXED_POINT_POSITION), 0, (__global DATA_TYPE_OUT *)out.ptr); |
| 130 | #else /* FIXED_POINT_POSITION */ |
| 131 | vstore16(CONVERT_UP(in_data, VEC_DATA_TYPE(DATA_TYPE_OUT, 16)) << shift, 0, (__global DATA_TYPE_OUT *)out.ptr); |
| 132 | #endif /* FIXED_POINT_POSITION */ |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 133 | } |