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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/src/foundation/include/PsUtilities.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/src/foundation/include/PsUtilities.h')
| -rw-r--r-- | PxShared/src/foundation/include/PsUtilities.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/PxShared/src/foundation/include/PsUtilities.h b/PxShared/src/foundation/include/PsUtilities.h new file mode 100644 index 00000000..34c5e5c6 --- /dev/null +++ b/PxShared/src/foundation/include/PsUtilities.h @@ -0,0 +1,165 @@ +// 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 PSFOUNDATION_PSUTILITIES_H +#define PSFOUNDATION_PSUTILITIES_H + +#include "foundation/PxVec3.h" +#include "foundation/PxAssert.h" +#include "Ps.h" +#include "PsIntrinsics.h" +#include "PsBasicTemplates.h" + +namespace physx +{ +namespace shdfnd +{ +PX_INLINE char littleEndian() +{ + int i = 1; + return *(reinterpret_cast<char*>(&i)); +} + +// PT: checked casts +PX_CUDA_CALLABLE PX_FORCE_INLINE PxU32 to32(PxU64 value) +{ + PX_ASSERT(value <= 0xffffffff); + return PxU32(value); +} +PX_CUDA_CALLABLE PX_FORCE_INLINE PxU16 to16(PxU32 value) +{ + PX_ASSERT(value <= 0xffff); + return PxU16(value); +} +PX_CUDA_CALLABLE PX_FORCE_INLINE PxU8 to8(PxU16 value) +{ + PX_ASSERT(value <= 0xff); + return PxU8(value); +} +PX_CUDA_CALLABLE PX_FORCE_INLINE PxU8 to8(PxU32 value) +{ + PX_ASSERT(value <= 0xff); + return PxU8(value); +} +PX_CUDA_CALLABLE PX_FORCE_INLINE PxU8 to8(PxI32 value) +{ + PX_ASSERT(value <= 0xff); + PX_ASSERT(value >= 0); + return PxU8(value); +} +PX_CUDA_CALLABLE PX_FORCE_INLINE PxI8 toI8(PxU32 value) +{ + PX_ASSERT(value <= 0x7f); + return PxI8(value); +} + +/*! +Get number of elements in array +*/ +template <typename T, size_t N> +char (&ArraySizeHelper(T (&array)[N]))[N]; +#define PX_ARRAY_SIZE(_array) (sizeof(physx::shdfnd::ArraySizeHelper(_array))) + +/*! +Sort two elements using operator< + +On return x will be the smaller of the two +*/ +template <class T> +PX_CUDA_CALLABLE PX_FORCE_INLINE void order(T& x, T& y) +{ + if(y < x) + swap(x, y); +} + +// most architectures can do predication on real comparisons, and on VMX, it matters + +PX_CUDA_CALLABLE PX_FORCE_INLINE void order(PxReal& x, PxReal& y) +{ + PxReal newX = PxMin(x, y); + PxReal newY = PxMax(x, y); + x = newX; + y = newY; +} + +/*! +Sort two elements using operator< and also keep order +of any extra data +*/ +template <class T, class E1> +PX_CUDA_CALLABLE PX_FORCE_INLINE void order(T& x, T& y, E1& xe1, E1& ye1) +{ + if(y < x) + { + swap(x, y); + swap(xe1, ye1); + } +} + +#if PX_GCC_FAMILY && !PX_EMSCRIPTEN +__attribute__((noreturn)) +#endif + PX_INLINE void debugBreak() +{ +#if PX_WINDOWS || PX_XBOXONE + __debugbreak(); +#elif PX_ANDROID + raise(SIGTRAP); // works better than __builtin_trap. Proper call stack and can be continued. +#elif PX_LINUX + asm("int $3"); +#elif PX_GCC_FAMILY + __builtin_trap(); +#else + PX_ASSERT(false); +#endif +} + +bool checkValid(const float&); +bool checkValid(const PxVec3&); +bool checkValid(const PxQuat&); +bool checkValid(const PxMat33&); +bool checkValid(const PxTransform&); +bool checkValid(const char*); + +// equivalent to std::max_element +template <typename T> +inline const T* maxElement(const T* first, const T* last) +{ + const T* m = first; + for(const T* it = first + 1; it < last; ++it) + if(*m < *it) + m = it; + + return m; +} + +} // namespace shdfnd +} // namespace physx + +#endif |