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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) 2018 NVIDIA Corporation. All rights reserved.
#ifndef FIELD_SAMPLER_QUERY_INTL_H
#define FIELD_SAMPLER_QUERY_INTL_H
#include "ApexDefs.h"
#include "ApexMirroredArray.h"
#include "PxTask.h"
#include "ApexActor.h"
#include "PxMat44.h"
namespace nvidia
{
namespace apex
{
class FieldSamplerSceneIntl;
struct FieldSamplerQueryDescIntl
{
uint32_t maxCount;
#if PX_PHYSICS_VERSION_MAJOR == 3
PxFilterData samplerFilterData;
#endif
FieldSamplerSceneIntl* ownerFieldSamplerScene;
FieldSamplerQueryDescIntl()
{
maxCount = 0;
#if PX_PHYSICS_VERSION_MAJOR == 3
samplerFilterData.word0 = 0xFFFFFFFF;
samplerFilterData.word1 = 0xFFFFFFFF;
samplerFilterData.word2 = 0xFFFFFFFF;
samplerFilterData.word3 = 0xFFFFFFFF;
#endif
ownerFieldSamplerScene = 0;
}
};
struct FieldSamplerQueryDataIntl
{
float timeStep;
uint32_t count;
bool isDataOnDevice;
uint32_t positionStrideBytes; //Stride for position
uint32_t velocityStrideBytes; //Stride for velocity
float* pmaInPosition;
float* pmaInVelocity;
PxVec4* pmaOutField;
uint32_t massStrideBytes; //if massStride set to 0 supposed single mass for all objects
float* pmaInMass;
uint32_t* pmaInIndices;
};
#if APEX_CUDA_SUPPORT
class ApexCudaArray;
struct FieldSamplerQueryGridDataIntl
{
uint32_t numX, numY, numZ;
PxMat44 gridToWorld;
float mass;
float timeStep;
PxVec3 cellSize;
ApexCudaArray* resultVelocity; //x, y, z = velocity vector, w = weight
CUstream stream;
};
#endif
class FieldSamplerCallbackIntl
{
public:
virtual void operator()(void* stream = NULL) = 0;
};
class FieldSamplerQueryIntl : public ApexActor
{
public:
virtual PxTaskID submitFieldSamplerQuery(const FieldSamplerQueryDataIntl& data, PxTaskID taskID) = 0;
//! FieldSamplerCallbackIntl will be called before FieldSampler computations
virtual void setOnStartCallback(FieldSamplerCallbackIntl*) = 0;
//! FieldSamplerCallbackIntl will be called after FieldSampler computations
virtual void setOnFinishCallback(FieldSamplerCallbackIntl*) = 0;
#if APEX_CUDA_SUPPORT
virtual PxVec3 executeFieldSamplerQueryOnGrid(const FieldSamplerQueryGridDataIntl&)
{
APEX_INVALID_OPERATION("not implemented");
return PxVec3(0.0f);
}
#endif
protected:
virtual ~FieldSamplerQueryIntl() {}
};
}
} // end namespace nvidia::apex
#endif // #ifndef FIELD_SAMPLER_QUERY_INTL_H
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