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XCEngine/engine/third_party/physx/source/gpubroadphase/include/PxgAggregate.h

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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) 2008-2025 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 PXG_AGGREGATE_H
#define PXG_AGGREGATE_H
#include "foundation/PxPreprocessor.h"
#include "foundation/PxSimpleTypes.h"
#include "PxgCudaBuffer.h"
#include "foundation/PxUserAllocated.h"
namespace physx
{
class PxgHeapMemoryAllocatorManager;
class PxgSapBox1D;
// PT: TODO:
// - fix/unify class member names (m prefix)
// - figure out why we don't initialize all members in ctor
// - check that all of these are still needed
struct PxgAggregate
{
public:
PxgAggregate() : updateBoundIndices(NULL)
{
initValues();
}
PX_FORCE_INLINE void initValues()
{
prevComparisons = 0;
prevSize = 0;
mIndex = 0xFFFFFFFF;
size = 0;
filterHint = 0;
mEnvID = PX_INVALID_U32;
isNew = true;
}
PX_CUDA_CALLABLE PX_FORCE_INLINE bool isValid() { return (size > 0) && (mIndex != 0xFFFFFFFF); }
// resetting back to constructor values.
PX_FORCE_INLINE void reset()
{
PX_FREE(updateBoundIndices);
initValues();
}
PxU32* updateBoundIndices; // list of bound indices for this aggregate, used for CPU->GPU transfer.
// pointers to device mem containing a list of shape bound indices belong to this aggregate, double-buffered.
// Will contain the previous and current list, we flip these pointers each time the aggregate is processed and sorted.
PxU32* boundIndices[2];
//A list of the shape projections. There are 2x sorted lists (the prev sorted list, and the current). We flip these pointers
//each time the pair is processed and sorted...
PxU32* sortedProjections[2];
PxU32* sortedHandles[2];
PxgSapBox1D* sapBox1D[2]; //Prev/curr sapBox...
PxU32* startMasks[2]; //Prev/curr start masks. This is a bitmask so we require nbProjections/32 PxU32s.
PxU32* comparisons[2];
PxU32 prevComparisons;
PxU32 prevSize; //Can be different from size. Copied to every frame...
PxU32 mIndex; //aggregate bound index
PxU32 size;
PxU32 filterHint; //PxAggregateFilterHint
PxU32 mEnvID; // PT: environment ID
bool isNew;
};
struct PxgAggregatePair
{
public:
PxU32 actorHandle0;
PxU32 actorHandle1;
bool isNew;
bool isDead;
PxU16 pad;
};
class PxgAggregateBuffer : public PxUserAllocated
{
public:
PxgAggregateBuffer(PxgHeapMemoryAllocatorManager* heapMemoryManager);
PxgCudaBuffer updateBoundIndices;
PxgCudaBufferN<2> boundIndices;
PxgCudaBufferN<2> sortedProjections;
PxgCudaBufferN<2> sortedHandles;
PxgCudaBufferN<2> sapBox1D;
PxgCudaBufferN<2> startMasks;
PxgCudaBufferN<2> comparisons;
};
}
#endif