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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// SPDX-FileCopyrightText: Copyright (c) 2008-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
#ifndef PX_PARTICLE_EXT_H
#define PX_PARTICLE_EXT_H
#include "PxParticleBuffer.h"
#if !PX_DOXYGEN
namespace physx
{
#endif
namespace ExtGpu
{
/**
\brief Structure to define user-defined particle state when constructing a new particle system.
*/
struct PxParticleBufferDesc
{
PxVec4* positions;
PxVec4* velocities;
PxU32* phases;
PxU32 numActiveParticles;
PxU32 maxParticles;
PxParticleBufferDesc() : positions(NULL), velocities(NULL), phases(NULL), numActiveParticles(0), maxParticles(0) { }
};
/**
\brief Structure to define user-defined particle state when constructing a new particle system that includes diffuse particles.
*/
struct PxParticleAndDiffuseBufferDesc : public PxParticleBufferDesc
{
PxDiffuseParticleParams diffuseParams;
PxU32 maxDiffuseParticles;
PxU32 maxActiveDiffuseParticles;
PxParticleAndDiffuseBufferDesc() : PxParticleBufferDesc() { }
};
/**
\brief Creates and populates a particle buffer
\param[in] desc The particle buffer descriptor
\param[in] cudaContextManager A cuda context manager
\return A fully populated particle buffer ready to use
*/
PxParticleBuffer* PxCreateAndPopulateParticleBuffer(const ExtGpu::PxParticleBufferDesc& desc, PxCudaContextManager* cudaContextManager);
/**
\brief Creates and populates a particle buffer that includes support for diffuse particles
\param[in] desc The particle buffer descriptor
\param[in] cudaContextManager A cuda context manager
\return A fully populated particle buffer ready to use
*/
PxParticleAndDiffuseBuffer* PxCreateAndPopulateParticleAndDiffuseBuffer(const ExtGpu::PxParticleAndDiffuseBufferDesc& desc, PxCudaContextManager* cudaContextManager);
} // namespace ExtGpu
#if !PX_DOXYGEN
} // namespace physx
#endif
#endif