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| author | Marijn Tamis <[email protected]> | 2019-04-01 14:21:09 +0200 |
|---|---|---|
| committer | Marijn Tamis <[email protected]> | 2019-04-01 14:21:09 +0200 |
| commit | d243404d4ba88bcf53f7310cc8980b4efe38c19f (patch) | |
| tree | dcc8ce2904e9f813e03f71f825c4d3c9ec565d91 /NvCloth/src/ps/unix/PsUnixFPU.h | |
| parent | Add new SetSpheres and SetPlanes api's to bring them in line with setTriangles. (diff) | |
| download | nvcloth-1.1.6.tar.xz nvcloth-1.1.6.zip | |
1.1.6 Release.1.1.6
Diffstat (limited to 'NvCloth/src/ps/unix/PsUnixFPU.h')
| -rw-r--r-- | NvCloth/src/ps/unix/PsUnixFPU.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/NvCloth/src/ps/unix/PsUnixFPU.h b/NvCloth/src/ps/unix/PsUnixFPU.h new file mode 100644 index 0000000..edd5522 --- /dev/null +++ b/NvCloth/src/ps/unix/PsUnixFPU.h @@ -0,0 +1,69 @@ +// 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) 2008-2017 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_PSUNIXFPU_H +#define PSFOUNDATION_PSUNIXFPU_H + +#include "foundation/PxPreprocessor.h" + +#if PX_LINUX || PX_PS4 || PX_OSX + +#if PX_X86 || PX_X64 +#if PX_EMSCRIPTEN +#include <emmintrin.h> +#endif +#include <xmmintrin.h> +#elif PX_NEON +#include <arm_neon.h> +#endif + + +PX_INLINE physx::shdfnd::SIMDGuard::SIMDGuard() +{ +#if !PX_EMSCRIPTEN && (PX_X86 || PX_X64) + mControlWord = _mm_getcsr(); + // set default (disable exceptions: _MM_MASK_MASK) and FTZ (_MM_FLUSH_ZERO_ON), DAZ (_MM_DENORMALS_ZERO_ON: (1<<6)) + _mm_setcsr(_MM_MASK_MASK | _MM_FLUSH_ZERO_ON | (1 << 6)); +#endif +} + +PX_INLINE physx::shdfnd::SIMDGuard::~SIMDGuard() +{ +#if !PX_EMSCRIPTEN && (PX_X86 || PX_X64) + // restore control word and clear exception flags + // (setting exception state flags cause exceptions on the first following fp operation) + _mm_setcsr(mControlWord & ~_MM_EXCEPT_MASK); +#endif +} + +#else +#error No SIMD implementation for this unix platform. +#endif // PX_LINUX || PX_PS4 || PX_OSX + +#endif // #ifndef PSFOUNDATION_PSUNIXFPU_H |