include/PxAnisotropy.h

File members: include/PxAnisotropy.h

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#ifndef PX_ANISOTROPY_H
#define PX_ANISOTROPY_H
#include "cudamanager/PxCudaContext.h"
#include "cudamanager/PxCudaContextManager.h"

#include "foundation/PxSimpleTypes.h"
#include "foundation/PxVec4.h"
#include "PxParticleSystem.h"

#include "foundation/PxArray.h"
#include "PxParticleGpu.h"

#if !PX_DOXYGEN
namespace physx
{
#endif

#if PX_SUPPORT_GPU_PHYSX

    class PxgKernelLauncher;
    class PxParticleNeighborhoodProvider;

    class PxAnisotropyGenerator
    {
    public:
        virtual void generateAnisotropy(PxGpuParticleSystem* gpuParticleSystem, PxU32 numParticles, CUstream stream) = 0;

        virtual void generateAnisotropy(PxVec4* particlePositionsGpu, PxParticleNeighborhoodProvider& neighborhoodProvider, PxU32 numParticles, PxReal particleContactOffset, CUstream stream) = 0;

        virtual void setResultBufferHost(PxVec4* anisotropy1, PxVec4* anisotropy2, PxVec4* anisotropy3) = 0;

        virtual void setResultBufferDevice(PxVec4* anisotropy1, PxVec4* anisotropy2, PxVec4* anisotropy3) = 0;

        virtual void setAnisotropyMax(float maxAnisotropy) = 0;

        virtual void setAnisotropyMin(float minAnisotropy) = 0;

        virtual void setAnisotropyScale(float anisotropyScale) = 0;

        virtual PxU32 getMaxParticles() const = 0;

        virtual void setMaxParticles(PxU32 maxParticles) = 0;

        virtual PxVec4* getAnisotropy1DevicePointer() const = 0;

        virtual PxVec4* getAnisotropy2DevicePointer() const = 0;

        virtual PxVec4* getAnisotropy3DevicePointer() const = 0;

        virtual void setEnabled(bool enabled) = 0;

        virtual bool isEnabled() const = 0;

        virtual void release() = 0;

        virtual ~PxAnisotropyGenerator() {}
    };

    class PxAnisotropyCallback : public PxParticleSystemCallback
    {
    public:
        void initialize(PxAnisotropyGenerator* anistropyGenerator)
        {
            mAnistropyGenerator = anistropyGenerator;
        }

        virtual void onPostSolve(const PxGpuMirroredPointer<PxGpuParticleSystem>& gpuParticleSystem, CUstream stream)
        {
            if (mAnistropyGenerator)
            {
                mAnistropyGenerator->generateAnisotropy(gpuParticleSystem.mDevicePtr, gpuParticleSystem.mHostPtr->mCommonData.mMaxParticles, stream);
            }
        }

        virtual void onBegin(const PxGpuMirroredPointer<PxGpuParticleSystem>& /*gpuParticleSystem*/, CUstream /*stream*/) { }

        virtual void onAdvance(const PxGpuMirroredPointer<PxGpuParticleSystem>& /*gpuParticleSystem*/, CUstream /*stream*/) { }

    private:
        PxAnisotropyGenerator* mAnistropyGenerator;
    };

#endif

#if !PX_DOXYGEN
} // namespace physx
#endif

#endif