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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PxShared/include/foundation/unix/PxUnixIntrinsics.h | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'PxShared/include/foundation/unix/PxUnixIntrinsics.h')
| -rw-r--r-- | PxShared/include/foundation/unix/PxUnixIntrinsics.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/PxShared/include/foundation/unix/PxUnixIntrinsics.h b/PxShared/include/foundation/unix/PxUnixIntrinsics.h new file mode 100644 index 00000000..7c0916f0 --- /dev/null +++ b/PxShared/include/foundation/unix/PxUnixIntrinsics.h @@ -0,0 +1,181 @@ +// This code contains NVIDIA Confidential Information and is disclosed to you +// under a form of NVIDIA software license agreement provided separately to you. +// +// Notice +// NVIDIA Corporation and its licensors retain all intellectual property and +// proprietary rights in and to this software and related documentation and +// any modifications thereto. Any use, reproduction, disclosure, or +// distribution of this software and related documentation without an express +// license agreement from NVIDIA Corporation is strictly prohibited. +// +// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES +// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO +// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT, +// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. +// +// Information and code furnished is believed to be accurate and reliable. +// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such +// information or for any infringement of patents or other rights of third parties that may +// result from its use. No license is granted by implication or otherwise under any patent +// or patent rights of NVIDIA Corporation. Details are subject to change without notice. +// This code supersedes and replaces all information previously supplied. +// NVIDIA Corporation products are not authorized for use as critical +// components in life support devices or systems without express written approval of +// NVIDIA Corporation. +// +// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved. +// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. +// Copyright (c) 2001-2004 NovodeX AG. All rights reserved. + +#ifndef PXFOUNDATION_PXUNIXINTRINSICS_H +#define PXFOUNDATION_PXUNIXINTRINSICS_H + +#include "foundation/Px.h" +#include "foundation/PxAssert.h" + +#if !(PX_LINUX || PX_ANDROID || PX_PS4 || PX_APPLE_FAMILY) +#error "This file should only be included by Unix builds!!" +#endif + +#if PX_LINUX && PX_ARM + // Linux ARM toolchain can somehow end up including cmath header after math.h, which will undef a bunch of macros and place them in std namespace + #ifndef isfinite + #define isfinite std::isfinite + #endif +#endif + +#include <math.h> +#include <float.h> + +namespace physx +{ +namespace intrinsics +{ +//! \brief platform-specific absolute value +PX_CUDA_CALLABLE PX_FORCE_INLINE float abs(float a) +{ + return ::fabsf(a); +} + +//! \brief platform-specific select float +PX_CUDA_CALLABLE PX_FORCE_INLINE float fsel(float a, float b, float c) +{ + return (a >= 0.0f) ? b : c; +} + +//! \brief platform-specific sign +PX_CUDA_CALLABLE PX_FORCE_INLINE float sign(float a) +{ + return (a >= 0.0f) ? 1.0f : -1.0f; +} + +//! \brief platform-specific reciprocal +PX_CUDA_CALLABLE PX_FORCE_INLINE float recip(float a) +{ + return 1.0f / a; +} + +//! \brief platform-specific reciprocal estimate +PX_CUDA_CALLABLE PX_FORCE_INLINE float recipFast(float a) +{ + return 1.0f / a; +} + +//! \brief platform-specific square root +PX_CUDA_CALLABLE PX_FORCE_INLINE float sqrt(float a) +{ + return ::sqrtf(a); +} + +//! \brief platform-specific reciprocal square root +PX_CUDA_CALLABLE PX_FORCE_INLINE float recipSqrt(float a) +{ + return 1.0f / ::sqrtf(a); +} + +PX_CUDA_CALLABLE PX_FORCE_INLINE float recipSqrtFast(float a) +{ + return 1.0f / ::sqrtf(a); +} + +//! \brief platform-specific sine +PX_CUDA_CALLABLE PX_FORCE_INLINE float sin(float a) +{ + return ::sinf(a); +} + +//! \brief platform-specific cosine +PX_CUDA_CALLABLE PX_FORCE_INLINE float cos(float a) +{ + return ::cosf(a); +} + +//! \brief platform-specific minimum +PX_CUDA_CALLABLE PX_FORCE_INLINE float selectMin(float a, float b) +{ + return a < b ? a : b; +} + +//! \brief platform-specific maximum +PX_CUDA_CALLABLE PX_FORCE_INLINE float selectMax(float a, float b) +{ + return a > b ? a : b; +} + +//! \brief platform-specific finiteness check (not INF or NAN) +PX_CUDA_CALLABLE PX_FORCE_INLINE bool isFinite(float a) +{ + return !!isfinite(a); +} + +//! \brief platform-specific finiteness check (not INF or NAN) +PX_CUDA_CALLABLE PX_FORCE_INLINE bool isFinite(double a) +{ + return !!isfinite(a); +} + +/*! +Sets \c count bytes starting at \c dst to zero. +*/ +PX_FORCE_INLINE void* memZero(void* dest, uint32_t count) +{ + return memset(dest, 0, count); +} + +/*! +Sets \c count bytes starting at \c dst to \c c. +*/ +PX_FORCE_INLINE void* memSet(void* dest, int32_t c, uint32_t count) +{ + return memset(dest, c, count); +} + +/*! +Copies \c count bytes from \c src to \c dst. User memMove if regions overlap. +*/ +PX_FORCE_INLINE void* memCopy(void* dest, const void* src, uint32_t count) +{ + return memcpy(dest, src, count); +} + +/*! +Copies \c count bytes from \c src to \c dst. Supports overlapping regions. +*/ +PX_FORCE_INLINE void* memMove(void* dest, const void* src, uint32_t count) +{ + return memmove(dest, src, count); +} + +/*! +Set 128B to zero starting at \c dst+offset. Must be aligned. +*/ +PX_FORCE_INLINE void memZero128(void* dest, uint32_t offset = 0) +{ + PX_ASSERT(((size_t(dest) + offset) & 0x7f) == 0); + memSet(reinterpret_cast<char*>(dest) + offset, 0, 128); +} + +} // namespace intrinsics +} // namespace physx + +#endif // #ifndef PXFOUNDATION_PXUNIXINTRINSICS_H |