145 lines
4.3 KiB
C++
145 lines
4.3 KiB
C++
//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2019 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#ifndef PXS_TRANSFORM_CACHE_H
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#define PXS_TRANSFORM_CACHE_H
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#include "CmPhysXCommon.h"
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#include "CmIDPool.h"
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#include "CmBitMap.h"
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#include "PsUserAllocated.h"
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#include "PsAllocator.h"
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#define PX_DEFAULT_CACHE_SIZE 512
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namespace physx
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{
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struct PxsTransformFlag
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{
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enum Flags
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{
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eFROZEN = (1 << 0)
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};
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};
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struct PX_ALIGN_PREFIX(16) PxsCachedTransform
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{
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PxTransform transform;
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PxU32 flags;
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PX_FORCE_INLINE PxU32 isFrozen() const { return flags & PxsTransformFlag::eFROZEN; }
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}
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PX_ALIGN_SUFFIX(16);
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class PxsTransformCache : public Ps::UserAllocated
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{
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typedef PxU32 RefCountType;
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public:
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PxsTransformCache(Ps::VirtualAllocatorCallback& allocatorCallback) : mTransformCache(Ps::VirtualAllocator(&allocatorCallback)), mHasAnythingChanged(true)
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{
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/*mTransformCache.reserve(PX_DEFAULT_CACHE_SIZE);
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mTransformCache.forceSize_Unsafe(PX_DEFAULT_CACHE_SIZE);*/
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mUsedSize = 0;
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}
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void initEntry(PxU32 index)
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{
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PxU32 oldCapacity = mTransformCache.capacity();
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if (index >= oldCapacity)
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{
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PxU32 newCapacity = Ps::nextPowerOfTwo(index);
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mTransformCache.reserve(newCapacity);
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mTransformCache.forceSize_Unsafe(newCapacity);
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}
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mUsedSize = PxMax(mUsedSize, index + 1u);
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}
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PX_FORCE_INLINE void setTransformCache(const PxTransform& transform, const PxU32 flags, const PxU32 index)
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{
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mTransformCache[index].transform = transform;
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mTransformCache[index].flags = flags;
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mHasAnythingChanged = true;
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}
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PX_FORCE_INLINE const PxsCachedTransform& getTransformCache(const PxU32 index) const
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{
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return mTransformCache[index];
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}
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PX_FORCE_INLINE PxsCachedTransform& getTransformCache(const PxU32 index)
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{
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return mTransformCache[index];
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}
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PX_FORCE_INLINE void shiftTransforms(const PxVec3& shift)
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{
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for (PxU32 i = 0; i < mTransformCache.capacity(); i++)
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{
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mTransformCache[i].transform.p += shift;
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}
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mHasAnythingChanged = true;
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}
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PX_FORCE_INLINE PxU32 getTotalSize() const
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{
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return mUsedSize;
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}
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PX_FORCE_INLINE const PxsCachedTransform* getTransforms() const
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{
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return mTransformCache.begin();
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}
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PX_FORCE_INLINE PxsCachedTransform* getTransforms()
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{
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return mTransformCache.begin();
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}
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PX_FORCE_INLINE Ps::Array<PxsCachedTransform, Ps::VirtualAllocator>* getCachedTransformArray()
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{
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return &mTransformCache;
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}
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PX_FORCE_INLINE void resetChangedState() { mHasAnythingChanged = false; }
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PX_FORCE_INLINE void setChangedState() { mHasAnythingChanged = true; }
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PX_FORCE_INLINE bool hasChanged() const { return mHasAnythingChanged; }
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private:
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Ps::Array<PxsCachedTransform, Ps::VirtualAllocator> mTransformCache;
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PxU32 mUsedSize;
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bool mHasAnythingChanged;
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};
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}
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#endif
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