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/*
* Copyright (c) 2008-2017, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, 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.
*/
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
#pragma once
#include "Simd4i.h"
// platform specific helpers
namespace nvidia
{
namespace cloth
{
inline uint32_t findBitSet(uint32_t mask);
// intFloor(-1.0f) returns -2 on SSE and NEON!
inline Simd4i intFloor(const Simd4f& v);
inline Simd4i horizontalOr(Simd4i mask);
template <typename>
struct Gather;
#if NVMATH_SIMD
template <>
struct Gather<Simd4i>
{
inline Gather(const Simd4i& index);
inline Simd4i operator()(const Simd4i*) const;
#if NVMATH_SSE2
Simd4i mSelectQ, mSelectD, mSelectW;
static const Simd4i sIntSignBit;
static const Simd4i sSignedMask;
#elif NVMATH_NEON
Simd4i mPermute;
static const Simd4i sPack;
static const Simd4i sOffset;
static const Simd4i sShift;
static const Simd4i sMask;
#endif
Simd4i mOutOfRange;
};
#endif
} // namespace cloth
} // namespace nvidia
#if NVMATH_SSE2
#include "sse2/SwCollisionHelpers.h"
#elif NVMATH_NEON
#include "neon/SwCollisionHelpers.h"
#endif
#if NVMATH_SCALAR
#include "scalar/SwCollisionHelpers.h"
#endif
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