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[NFC][libclc] Simplify degrees, radians and smoothstep macros #164203

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merged 2 commits into from
Oct 20, 2025
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[NFC][libclc] Simplify degrees, radians and smoothstep macros #164203

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db1f69d
[NFC][libclc] Simplify __clc_smoothstep and smoothstep macros
wenju-he Oct 20, 2025
3e84f9a
improve degrees and radians macros
wenju-he Oct 20, 2025
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29 changes: 2 additions & 27 deletions libclc/clc/lib/generic/common/clc_smoothstep.cl
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Original file line number Diff line number Diff line change
Expand Up @@ -8,30 +8,5 @@
#include <clc/internal/clc.h>
#include <clc/shared/clc_clamp.h>

#define SMOOTHSTEP_SINGLE_DEF(edge_type, x_type, lit_suff) \
_CLC_OVERLOAD _CLC_DEF x_type __clc_smoothstep(edge_type edge0, \
edge_type edge1, x_type x) { \
x_type t = __clc_clamp((x - edge0) / (edge1 - edge0), 0.0##lit_suff, \
1.0##lit_suff); \
return t * t * (3.0##lit_suff - 2.0##lit_suff * t); \
}

#define SMOOTHSTEP_DEF(type, lit_suffix) \
SMOOTHSTEP_SINGLE_DEF(type, type, lit_suffix) \
SMOOTHSTEP_SINGLE_DEF(type##2, type##2, lit_suffix) \
SMOOTHSTEP_SINGLE_DEF(type##3, type##3, lit_suffix) \
SMOOTHSTEP_SINGLE_DEF(type##4, type##4, lit_suffix) \
SMOOTHSTEP_SINGLE_DEF(type##8, type##8, lit_suffix) \
SMOOTHSTEP_SINGLE_DEF(type##16, type##16, lit_suffix)

SMOOTHSTEP_DEF(float, F)

#ifdef cl_khr_fp64
#pragma OPENCL EXTENSION cl_khr_fp64 : enable
SMOOTHSTEP_DEF(double, );
#endif

#ifdef cl_khr_fp16
#pragma OPENCL EXTENSION cl_khr_fp16 : enable
SMOOTHSTEP_DEF(half, H);
#endif
#define __CLC_BODY <clc_smoothstep.inc>
#include <clc/math/gentype.inc>
15 changes: 15 additions & 0 deletions libclc/clc/lib/generic/common/clc_smoothstep.inc
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@@ -0,0 +1,15 @@
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE __clc_smoothstep(__CLC_GENTYPE edge0,
__CLC_GENTYPE edge1,
__CLC_GENTYPE x) {
__CLC_GENTYPE t = __clc_clamp((x - edge0) / (edge1 - edge0),
__CLC_FP_LIT(0.0), __CLC_FP_LIT(1.0));
return t * t * (__CLC_FP_LIT(3.0) - __CLC_FP_LIT(2.0) * t);
}
58 changes: 2 additions & 56 deletions libclc/opencl/lib/generic/common/smoothstep.cl
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Original file line number Diff line number Diff line change
Expand Up @@ -9,59 +9,5 @@
#include <clc/common/clc_smoothstep.h>
#include <clc/opencl/common/smoothstep.h>

#define SMOOTHSTEP_SINGLE_DEF(X_TYPE) \
_CLC_OVERLOAD _CLC_DEF X_TYPE smoothstep(X_TYPE edge0, X_TYPE edge1, \
X_TYPE x) { \
return __clc_smoothstep(edge0, edge1, x); \
}

#define SMOOTHSTEP_S_S_V_DEFS(X_TYPE) \
_CLC_OVERLOAD _CLC_DEF X_TYPE##2 smoothstep(X_TYPE x, X_TYPE y, \
X_TYPE##2 z) { \
return __clc_smoothstep((X_TYPE##2)x, (X_TYPE##2)y, z); \
} \
\
_CLC_OVERLOAD _CLC_DEF X_TYPE##3 smoothstep(X_TYPE x, X_TYPE y, \
X_TYPE##3 z) { \
return __clc_smoothstep((X_TYPE##3)x, (X_TYPE##3)y, z); \
} \
\
_CLC_OVERLOAD _CLC_DEF X_TYPE##4 smoothstep(X_TYPE x, X_TYPE y, \
X_TYPE##4 z) { \
return __clc_smoothstep((X_TYPE##4)x, (X_TYPE##4)y, z); \
} \
\
_CLC_OVERLOAD _CLC_DEF X_TYPE##8 smoothstep(X_TYPE x, X_TYPE y, \
X_TYPE##8 z) { \
return __clc_smoothstep((X_TYPE##8)x, (X_TYPE##8)y, z); \
} \
\
_CLC_OVERLOAD _CLC_DEF X_TYPE##16 smoothstep(X_TYPE x, X_TYPE y, \
X_TYPE##16 z) { \
return __clc_smoothstep((X_TYPE##16)x, (X_TYPE##16)y, z); \
}

#define SMOOTHSTEP_DEF(type) \
SMOOTHSTEP_SINGLE_DEF(type) \
SMOOTHSTEP_SINGLE_DEF(type##2) \
SMOOTHSTEP_SINGLE_DEF(type##3) \
SMOOTHSTEP_SINGLE_DEF(type##4) \
SMOOTHSTEP_SINGLE_DEF(type##8) \
SMOOTHSTEP_SINGLE_DEF(type##16) \
SMOOTHSTEP_S_S_V_DEFS(type)

SMOOTHSTEP_DEF(float)

#ifdef cl_khr_fp64
#pragma OPENCL EXTENSION cl_khr_fp64 : enable

SMOOTHSTEP_DEF(double);

#endif

#ifdef cl_khr_fp16
#pragma OPENCL EXTENSION cl_khr_fp16 : enable

SMOOTHSTEP_DEF(half);

#endif
#define __CLC_BODY <smoothstep.inc>
#include <clc/math/gentype.inc>
23 changes: 23 additions & 0 deletions libclc/opencl/lib/generic/common/smoothstep.inc
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@@ -0,0 +1,23 @@
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE smoothstep(__CLC_GENTYPE edge0,
__CLC_GENTYPE edge1,
__CLC_GENTYPE x) {
return __clc_smoothstep(edge0, edge1, x);
}

#if !defined(__CLC_SCALAR)

_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE smoothstep(__CLC_SCALAR_GENTYPE edge0,
__CLC_SCALAR_GENTYPE edge1,
__CLC_GENTYPE x) {
return __clc_smoothstep((__CLC_GENTYPE)edge0, (__CLC_GENTYPE)edge1, x);
}

#endif
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