// 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) 2008-2023 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 PX_VEC_MATH_SSE_H #define PX_VEC_MATH_SSE_H #if !PX_DOXYGEN namespace physx { #endif namespace aos { 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))); } } // namespace aos #if !PX_DOXYGEN } // namespace physx #endif #endif