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//
// 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) 2008-2018 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 PXS_TRANSFORM_CACHE_H
#define PXS_TRANSFORM_CACHE_H
#include "CmPhysXCommon.h"
#include "CmIDPool.h"
#include "CmBitMap.h"
#include "PsUserAllocated.h"
#include "PsAllocator.h"
#define PX_DEFAULT_CACHE_SIZE 512
namespace physx
{
struct PxsTransformFlag
{
enum Flags
{
eFROZEN = (1 << 0)
};
};
struct PX_ALIGN_PREFIX(16) PxsCachedTransform
{
PxTransform transform;
PxU32 flags;
PX_FORCE_INLINE PxU32 isFrozen() const { return flags & PxsTransformFlag::eFROZEN; }
}
PX_ALIGN_SUFFIX(16);
class PxsTransformCache : public Ps::UserAllocated
{
typedef PxU32 RefCountType;
public:
PxsTransformCache(Ps::VirtualAllocatorCallback& allocatorCallback) : mTransformCache(Ps::VirtualAllocator(&allocatorCallback)), mHasAnythingChanged(true)
{
/*mTransformCache.reserve(PX_DEFAULT_CACHE_SIZE);
mTransformCache.forceSize_Unsafe(PX_DEFAULT_CACHE_SIZE);*/
mUsedSize = 0;
}
void initEntry(PxU32 index)
{
PxU32 oldCapacity = mTransformCache.capacity();
if (index >= oldCapacity)
{
PxU32 newCapacity = Ps::nextPowerOfTwo(index);
mTransformCache.reserve(newCapacity);
mTransformCache.forceSize_Unsafe(newCapacity);
}
mUsedSize = PxMax(mUsedSize, index + 1u);
}
PX_FORCE_INLINE void setTransformCache(const PxTransform& transform, const PxU32 flags, const PxU32 index)
{
mTransformCache[index].transform = transform;
mTransformCache[index].flags = flags;
mHasAnythingChanged = true;
}
PX_FORCE_INLINE const PxsCachedTransform& getTransformCache(const PxU32 index) const
{
return mTransformCache[index];
}
PX_FORCE_INLINE PxsCachedTransform& getTransformCache(const PxU32 index)
{
return mTransformCache[index];
}
PX_FORCE_INLINE void shiftTransforms(const PxVec3& shift)
{
for (PxU32 i = 0; i < mTransformCache.capacity(); i++)
{
mTransformCache[i].transform.p += shift;
}
mHasAnythingChanged = true;
}
PX_FORCE_INLINE PxU32 getTotalSize() const
{
return mUsedSize;
}
PX_FORCE_INLINE const PxsCachedTransform* getTransforms() const
{
return mTransformCache.begin();
}
PX_FORCE_INLINE PxsCachedTransform* getTransforms()
{
return mTransformCache.begin();
}
PX_FORCE_INLINE Ps::Array<PxsCachedTransform, Ps::VirtualAllocator>* getCachedTransformArray()
{
return &mTransformCache;
}
PX_FORCE_INLINE void resetChangedState() { mHasAnythingChanged = false; }
PX_FORCE_INLINE void setChangedState() { mHasAnythingChanged = true; }
PX_FORCE_INLINE bool hasChanged() const { return mHasAnythingChanged; }
private:
Ps::Array<PxsCachedTransform, Ps::VirtualAllocator> mTransformCache;
PxU32 mUsedSize;
bool mHasAnythingChanged;
};
}
#endif
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