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Diffstat (limited to 'NvCloth/src/BoundingBox.h')
| -rw-r--r-- | NvCloth/src/BoundingBox.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/NvCloth/src/BoundingBox.h b/NvCloth/src/BoundingBox.h new file mode 100644 index 0000000..74bc0ff --- /dev/null +++ b/NvCloth/src/BoundingBox.h @@ -0,0 +1,103 @@ +// 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. + +#pragma once + +#include "Simd.h" + +namespace nv +{ + +namespace cloth +{ + +template <typename Simd4f> +struct BoundingBox +{ + Simd4f mLower; + Simd4f mUpper; +}; + +template <typename Simd4f> +inline BoundingBox<Simd4f> loadBounds(const float* ptr) +{ + BoundingBox<Simd4f> result; + result.mLower = load(ptr); + result.mUpper = load(ptr + 3); + return result; +} + +template <typename Simd4f> +inline BoundingBox<Simd4f> emptyBounds() +{ + BoundingBox<Simd4f> result; + + result.mLower = gSimd4fFloatMax; + result.mUpper = -result.mLower; + + return result; +} + +template <typename Simd4f> +inline BoundingBox<Simd4f> expandBounds(const BoundingBox<Simd4f>& bounds, const Simd4f* pIt, const Simd4f* pEnd) +{ + BoundingBox<Simd4f> result = bounds; + for (; pIt != pEnd; ++pIt) + { + result.mLower = min(result.mLower, *pIt); + result.mUpper = max(result.mUpper, *pIt); + } + return result; +} + +template <typename Simd4f> +inline BoundingBox<Simd4f> expandBounds(const BoundingBox<Simd4f>& a, const BoundingBox<Simd4f>& b) +{ + BoundingBox<Simd4f> result; + result.mLower = min(a.mLower, b.mLower); + result.mUpper = max(a.mUpper, b.mUpper); + return result; +} + +template <typename Simd4f> +inline BoundingBox<Simd4f> intersectBounds(const BoundingBox<Simd4f>& a, const BoundingBox<Simd4f>& b) +{ + BoundingBox<Simd4f> result; + result.mLower = max(a.mLower, b.mLower); + result.mUpper = min(a.mUpper, b.mUpper); + return result; +} + +template <typename Simd4f> +inline bool isEmptyBounds(const BoundingBox<Simd4f>& a) +{ + return anyGreater(a.mLower, a.mUpper) != 0; +} +} +} |