1//
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions
4// are met:
5// * Redistributions of source code must retain the above copyright
6// notice, this list of conditions and the following disclaimer.
7// * Redistributions in binary form must reproduce the above copyright
8// notice, this list of conditions and the following disclaimer in the
9// documentation and/or other materials provided with the distribution.
10// * Neither the name of NVIDIA CORPORATION nor the names of its
11// contributors may be used to endorse or promote products derived
12// from this software without specific prior written permission.
13//
14// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
15// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
18// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25//
26// Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved.
27// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
28// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
29
30#ifndef GU_SIMD_HELPERS_H
31#define GU_SIMD_HELPERS_H
32
33#include "foundation/PxMat33.h"
34#include "common/PxPhysXCommonConfig.h"
35#include "geometry/PxTriangle.h"
36#include "CmPhysXCommon.h"
37#include "PsVecMath.h"
38
39namespace physx
40{
41namespace Gu
42{
43 //! A padded version of PxTriangle, to safely load its data using SIMD
44 class TrianglePadded : public PxTriangle
45 {
46 public:
47 PX_FORCE_INLINE TrianglePadded() {}
48 PX_FORCE_INLINE ~TrianglePadded() {}
49 PxU32 padding;
50 };
51
52 // PT: wrapper helper class to make sure we can safely load a PxVec3 using SIMD loads
53 // PT: TODO: refactor with PxVec3Pad
54 class Vec3p : public PxVec3
55 {
56 public:
57 PX_FORCE_INLINE Vec3p() {}
58 PX_FORCE_INLINE ~Vec3p() {}
59 PX_FORCE_INLINE Vec3p(const PxVec3& p) : PxVec3(p) {}
60 PX_FORCE_INLINE Vec3p(float f) : PxVec3(f) {}
61 PxU32 padding;
62 };
63 PX_COMPILE_TIME_ASSERT(sizeof(Vec3p) == 16);
64
65 //! A padded version of PxMat33, to safely load its data using SIMD
66 class PxMat33Padded : public PxMat33
67 {
68 public:
69 explicit PX_FORCE_INLINE PxMat33Padded(const PxQuat& q)
70 {
71 using namespace Ps::aos;
72 const QuatV qV = V4LoadU(f: &q.x);
73 Vec3V column0V, column1V, column2V;
74 QuatGetMat33V(q: qV, column0&: column0V, column1&: column1V, column2&: column2V);
75#if defined(PX_SIMD_DISABLED) || PX_ANDROID || (PX_LINUX && (PX_ARM || PX_A64)) || (PX_UWP && (PX_ARM || PX_A64)) || (PX_OSX && (PX_ARM || PX_A64))
76 V3StoreU(column0V, column0);
77 V3StoreU(column1V, column1);
78 V3StoreU(column2V, column2);
79#else
80 V4StoreU(a: column0V, f: &column0.x);
81 V4StoreU(a: column1V, f: &column1.x);
82 V4StoreU(a: column2V, f: &column2.x);
83#endif
84 }
85 PX_FORCE_INLINE ~PxMat33Padded() {}
86 PX_FORCE_INLINE void operator=(const PxMat33& other)
87 {
88 column0 = other.column0;
89 column1 = other.column1;
90 column2 = other.column2;
91 }
92 PxU32 padding;
93 };
94
95} // namespace Gu
96}
97
98#endif
99

source code of qtquick3dphysics/src/3rdparty/PhysX/source/geomutils/include/GuSIMDHelpers.h