1/* 2 * Copyright (c) 2016-2021 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 26#ifdef SATURATE 27#define CONVERT_DOWN(x, type) CONVERT_SAT(x, type) 28#else /* SATURATE */ 29#define CONVERT_DOWN(x, type) CONVERT(x, type) 30#endif /* SATURATE */ 31 32#define CONVERT_UP(x, type) CONVERT(x, type) 33 34/** This function performs a down-casting 35 * 36 * @attention For QSYMM8_PER_CHANNEL -> QASYMM8, it is user's responsibility to keep track of the quantization info. 37 * 38 * @note The input and output data_types need to be passed at compile time using -DDATA_TYPE_IN and -DDATA_TYPE_OUT: 39 * e.g. -DDATA_TYPE_IN=uchar -DDATA_TYPE_OUT=short 40 * @note Vector size should be given as a preprocessor argument using -DVEC_SIZE=size. e.g. -DVEC_SIZE=16 41 * @note Leftover vector size has to be passed at compile time using -DVEC_SIZE_LEFTOVER. e.g. -DVEC_SIZE_LEFTOVER=3. It is defined as the remainder between the input's first dimension and VEC_SIZE 42 * 43 * @param[in] in_ptr Pointer to the source image. Supported data types: U8/S8/QSYMM8_PER_CHANNEL/U16/S16/U32/S32/F16/F32 44 * @param[in] in_stride_x Stride of the source image in X dimension (in bytes) 45 * @param[in] in_step_x in_stride_x * number of elements along X processed per workitem(in bytes) 46 * @param[in] in_stride_y Stride of the source image in Y dimension (in bytes) 47 * @param[in] in_step_y in_stride_y * number of elements along Y processed per workitem(in bytes) 48 * @param[in] in_stride_z Stride of the source tensor in Z dimension (in bytes) 49 * @param[in] in_step_z in_stride_z * number of elements along Z processed per workitem(in bytes) 50 * @param[in] in_offset_first_element_in_bytes The offset of the first element in the source image 51 * @param[out] out_ptr Pointer to the destination image. Supported data types: U8/S8/QASYMM8/U16/S16/U32/S32/F16/F32 52 * @param[in] out_stride_x Stride of the destination image in X dimension (in bytes) 53 * @param[in] out_step_x out_stride_x * number of elements along X processed per workitem(in bytes) 54 * @param[in] out_stride_y Stride of the destination image in Y dimension (in bytes) 55 * @param[in] out_step_y out_stride_y * number of elements along Y processed per workitem(in bytes) 56 * @param[in] out_stride_z Stride of the source tensor in Z dimension (in bytes) 57 * @param[in] out_step_z out_stride_z * number of elements along Z processed per workitem(in bytes) 58 * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination image 59 */ 60__kernel void cast_down( 61 TENSOR3D_DECLARATION(in), 62 TENSOR3D_DECLARATION(out)) 63{ 64 int x_offs = max((int)(get_global_id(0) * VEC_SIZE - (VEC_SIZE - VEC_SIZE_LEFTOVER) % VEC_SIZE), 0); 65 66 __global uchar *in_addr = in_ptr + in_offset_first_element_in_bytes + sizeof(DATA_TYPE_IN) * x_offs + get_global_id(1) * in_stride_y + get_global_id(2) * in_stride_z; 67 __global uchar *out_addr = out_ptr + out_offset_first_element_in_bytes + sizeof(DATA_TYPE_OUT) * x_offs + get_global_id(1) * out_stride_y + get_global_id(2) * out_stride_z; 68 69 // Load data 70 VEC_DATA_TYPE(DATA_TYPE_IN, VEC_SIZE) 71 in_data = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE_IN *)in_addr); 72 73#if defined(IS_DATA_TYPE_QUANTIZED) 74 in_data ^= (VEC_DATA_TYPE(DATA_TYPE_IN, VEC_SIZE))0x80; 75#endif // defined(IS_DATA_TYPE_QUANTIZED) 76 77#if defined(IS_DATA_TYPE_FLOAT) 78 VEC_DATA_TYPE(DATA_TYPE_OUT, VEC_SIZE) 79 res0 = CONVERT_DOWN(in_data, VEC_DATA_TYPE(DATA_TYPE_OUT, VEC_SIZE)); 80 STORE_VECTOR_SELECT(res, DATA_TYPE_OUT, out_addr, VEC_SIZE, VEC_SIZE_LEFTOVER, VEC_SIZE_LEFTOVER != 0 && get_global_id(0) == 0) 81#else /* defined(IS_DATA_TYPE_FLOAT) */ 82 VEC_DATA_TYPE(DATA_TYPE_OUT, VEC_SIZE) 83 res0 = CONVERT_DOWN(in_data, VEC_DATA_TYPE(DATA_TYPE_OUT, VEC_SIZE)); 84 STORE_VECTOR_SELECT(res, DATA_TYPE_OUT, out_addr, VEC_SIZE, VEC_SIZE_LEFTOVER, VEC_SIZE_LEFTOVER != 0 && get_global_id(0) == 0) 85#endif /* defined(IS_DATA_TYPE_FLOAT) */ 86} 87 88/** This function performs a up-casting 89 * 90 * @note The input and output data_types need to be passed at compile time using -DDATA_TYPE_IN and -DDATA_TYPE_OUT: 91 * e.g. -DDATA_TYPE_IN=uchar -DDATA_TYPE_OUT=short 92 * @note Vector size should be given as a preprocessor argument using -DVEC_SIZE=size. e.g. -DVEC_SIZE=16 93 * @note Leftover vector size has to be passed at compile time using -DVEC_SIZE_LEFTOVER. e.g. -DVEC_SIZE_LEFTOVER=3. It is defined as the remainder between the input's first dimension and VEC_SIZE 94 * 95 * @param[in] in_ptr Pointer to the source image. Supported data types: U8/S8/U16/S16/U32/S32/F16/F32 96 * @param[in] in_stride_x Stride of the source image in X dimension (in bytes) 97 * @param[in] in_step_x in_stride_x * number of elements along X processed per workitem(in bytes) 98 * @param[in] in_stride_y Stride of the source image in Y dimension (in bytes) 99 * @param[in] in_step_y in_stride_y * number of elements along Y processed per workitem(in bytes) 100 * @param[in] in_stride_z Stride of the source tensor in Z dimension (in bytes) 101 * @param[in] in_step_z in_stride_z * number of elements along Z processed per workitem(in bytes) 102 * @param[in] in_offset_first_element_in_bytes The offset of the first element in the source image 103 * @param[out] out_ptr Pointer to the destination image. Supported data types: U8/U16/S16/U32/S32/F16/F32 104 * @param[in] out_stride_x Stride of the destination image in X dimension (in bytes) 105 * @param[in] out_step_x out_stride_x * number of elements along X processed per workitem(in bytes) 106 * @param[in] out_stride_y Stride of the destination image in Y dimension (in bytes) 107 * @param[in] out_step_y out_stride_y * number of elements along Y processed per workitem(in bytes) 108 * @param[in] out_stride_z Stride of the source tensor in Z dimension (in bytes) 109 * @param[in] out_step_z out_stride_z * number of elements along Z processed per workitem(in bytes) 110 * @param[in] out_offset_first_element_in_bytes The offset of the first element in the destination image 111 */ 112__kernel void cast_up( 113 TENSOR3D_DECLARATION(in), 114 TENSOR3D_DECLARATION(out)) 115{ 116 int x_offs = max((int)(get_global_id(0) * VEC_SIZE - (VEC_SIZE - VEC_SIZE_LEFTOVER) % VEC_SIZE), 0); 117 118 __global uchar *in_addr = in_ptr + in_offset_first_element_in_bytes + sizeof(DATA_TYPE_IN) * x_offs + get_global_id(1) * in_stride_y + get_global_id(2) * in_stride_z; 119 __global uchar *out_addr = out_ptr + out_offset_first_element_in_bytes + sizeof(DATA_TYPE_OUT) * x_offs + get_global_id(1) * out_stride_y + get_global_id(2) * out_stride_z; 120 121 // Load data 122 VEC_DATA_TYPE(DATA_TYPE_IN, VEC_SIZE) 123 in_data = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE_IN *)in_addr); 124 125#if defined(IS_DATA_TYPE_FLOAT) 126 VEC_DATA_TYPE(DATA_TYPE_OUT, VEC_SIZE) 127 res0 = CONVERT_UP(in_data, VEC_DATA_TYPE(DATA_TYPE_OUT, VEC_SIZE)); 128 STORE_VECTOR_SELECT(res, DATA_TYPE_OUT, out_addr, VEC_SIZE, VEC_SIZE_LEFTOVER, VEC_SIZE_LEFTOVER != 0 && get_global_id(0) == 0) 129#else /* defined(IS_DATA_TYPE_FLOAT) */ 130 VEC_DATA_TYPE(DATA_TYPE_OUT, VEC_SIZE) 131 res0 = CONVERT_UP(in_data, VEC_DATA_TYPE(DATA_TYPE_OUT, VEC_SIZE)); 132 STORE_VECTOR_SELECT(res, DATA_TYPE_OUT, out_addr, VEC_SIZE, VEC_SIZE_LEFTOVER, VEC_SIZE_LEFTOVER != 0 && get_global_id(0) == 0) 133#endif /* defined(IS_DATA_TYPE_FLOAT) */ 134} 135