1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "../include/BiF_Definitions.cl"
#include "../../Headers/spirv.h"
INLINE float __attribute__((overloadable)) __spirv_ocl_smoothstep(float edge0, float edge1, float x ){
float div = (x - edge0) / (edge1 - edge0);
float temp = __spirv_ocl_fclamp( div, 0.0f, 1.0f );
return temp * temp * __spirv_ocl_mad( -2.0f, temp, 3.0f );
}
GENERATE_SPIRV_OCL_VECTOR_FUNCTIONS_3ARGS( smoothstep, float, float, f32 )
#if defined(cl_khr_fp64)
INLINE double __attribute__((overloadable)) __spirv_ocl_smoothstep(double edge0, double edge1, double x ){
double div = (x - edge0) / (edge1 - edge0);
double temp = __spirv_ocl_fclamp( div, 0.0, 1.0 );
return temp * temp * __spirv_ocl_mad( -2.0, temp, 3.0 );
}
GENERATE_SPIRV_OCL_VECTOR_FUNCTIONS_3ARGS( smoothstep, double, double, f64 )
#endif // defined(cl_khr_fp64)
#if defined(cl_khr_fp16)
INLINE half __attribute__((overloadable)) __spirv_ocl_smoothstep(half edge0, half edge1, half x ){
half div = (x - edge0) / (edge1 - edge0);
half temp = __spirv_ocl_fclamp( div, (half)0.0f, (half)1.0f );
return temp * temp * __spirv_ocl_mad( (half)-2.0f, temp, (half)3.0f );
}
GENERATE_SPIRV_OCL_VECTOR_FUNCTIONS_3ARGS( smoothstep, half, half, f16 )
#endif // defined(cl_khr_fp16)
#if defined(IGC_SPV_INTEL_bfloat16_arithmetic)
INLINE bfloat __attribute__((overloadable)) __spirv_ocl_smoothstep(bfloat edge0, bfloat edge1, bfloat x ){
bfloat div = (x - edge0) / (edge1 - edge0);
bfloat temp = __spirv_ocl_fclamp( div, (bfloat)0.0f, (bfloat)1.0f );
return temp * temp * __spirv_ocl_mad( (bfloat)-2.0f, temp, (bfloat)3.0f );
}
GENERATE_SPIRV_OCL_VECTOR_FUNCTIONS_3ARGS( smoothstep, bfloat, bfloat, )
#endif // defined(IGC_SPV_INTEL_bfloat16_arithmetic)
|
