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authorMarijn Tamis <[email protected]>2019-04-01 14:21:09 +0200
committerMarijn Tamis <[email protected]>2019-04-01 14:21:09 +0200
commitd243404d4ba88bcf53f7310cc8980b4efe38c19f (patch)
treedcc8ce2904e9f813e03f71f825c4d3c9ec565d91 /NvCloth/src/ps/unix/PsUnixFPU.h
parentAdd new SetSpheres and SetPlanes api's to bring them in line with setTriangles. (diff)
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1.1.6 Release.1.1.6
Diffstat (limited to 'NvCloth/src/ps/unix/PsUnixFPU.h')
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diff --git a/NvCloth/src/ps/unix/PsUnixFPU.h b/NvCloth/src/ps/unix/PsUnixFPU.h
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+// 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