Revision control
- //
- // Redistribution and use in source and binary forms, with or without
- // modification, are permitted provided that the following conditions
- // are met:
- // * Redistributions of source code must retain the above copyright
- // notice, this list of conditions and the following disclaimer.
- // * Redistributions in binary form must reproduce the above copyright
- // notice, this list of conditions and the following disclaimer in the
- // documentation and/or other materials provided with the distribution.
- // * Neither the name of NVIDIA CORPORATION nor the names of its
- // contributors may be used to endorse or promote products derived
- // from this software without specific prior written permission.
- //
- // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
- // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- //
- // Copyright (c) 2008-2021 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 && !PX_LINUX
- __attribute__((noreturn))
- #endif
- PX_INLINE void debugBreak()
- {
- #if PX_WINDOWS || PX_XBOXONE || PX_XBOX_SERIES_X
- __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