diff options
Diffstat (limited to 'PxShared/src/foundation/include/PsVecMathSSE.h')
| -rw-r--r-- | PxShared/src/foundation/include/PsVecMathSSE.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/PxShared/src/foundation/include/PsVecMathSSE.h b/PxShared/src/foundation/include/PsVecMathSSE.h new file mode 100644 index 00000000..08027e73 --- /dev/null +++ b/PxShared/src/foundation/include/PsVecMathSSE.h @@ -0,0 +1,56 @@ +// 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_PSVECMATHSSE_H +#define PSFOUNDATION_PSVECMATHSSE_H + +namespace +{ + const PX_ALIGN(16, PxF32) minus1w[4] = { 0.0f, 0.0f, 0.0f, -1.0f }; +} + +PX_FORCE_INLINE void QuatGetMat33V(const QuatVArg q, Vec3V& column0, Vec3V& column1, Vec3V& column2) +{ + const __m128 q2 = V4Add(q, q); + const __m128 qw2 = V4MulAdd(q2, V4GetW(q), _mm_load_ps(minus1w)); // (2wx, 2wy, 2wz, 2ww-1) + const __m128 nw2 = Vec3V_From_Vec4V(V4Neg(qw2)); // (-2wx, -2wy, -2wz, 0) + const __m128 v = Vec3V_From_Vec4V(q); + + const __m128 a0 = _mm_shuffle_ps(qw2, nw2, _MM_SHUFFLE(3, 1, 2, 3)); // (2ww-1, 2wz, -2wy, 0) + column0 = V4MulAdd(v, V4GetX(q2), a0); + + const __m128 a1 = _mm_shuffle_ps(qw2, nw2, _MM_SHUFFLE(3, 2, 0, 3)); // (2ww-1, 2wx, -2wz, 0) + column1 = V4MulAdd(v, V4GetY(q2), _mm_shuffle_ps(a1, a1, _MM_SHUFFLE(3, 1, 0, 2))); + + const __m128 a2 = _mm_shuffle_ps(qw2, nw2, _MM_SHUFFLE(3, 0, 1, 3)); // (2ww-1, 2wy, -2wx, 0) + column2 = V4MulAdd(v, V4GetZ(q2), _mm_shuffle_ps(a2, a2, _MM_SHUFFLE(3, 0, 2, 1))); +} + +#endif // PSFOUNDATION_PSVECMATHSSE_H + |