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// This code contains NVIDIA Confidential Information and is disclosed to you
// under a form of NVIDIA software license agreement provided separately to you.
//
// Notice
// NVIDIA Corporation and its licensors retain all intellectual property and
// proprietary rights in and to this software and related documentation and
// any modifications thereto. Any use, reproduction, disclosure, or
// distribution of this software and related documentation without an express
// license agreement from NVIDIA Corporation is strictly prohibited.
//
// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Information and code furnished is believed to be accurate and reliable.
// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
// information or for any infringement of patents or other rights of third parties that may
// result from its use. No license is granted by implication or otherwise under any patent
// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
// This code supersedes and replaces all information previously supplied.
// NVIDIA Corporation products are not authorized for use as critical
// components in life support devices or systems without express written approval of
// NVIDIA Corporation.
//
// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
#ifndef RENDERER_CLOTH_SHAPE_H
#define RENDERER_CLOTH_SHAPE_H
#include <RendererShape.h>
#include "gpu/PxGpu.h"
// fwd to avoid including cuda.h
#if defined(__x86_64) || defined(AMD64) || defined(_M_AMD64)
typedef unsigned long long CUdeviceptr;
#else
typedef unsigned int CUdeviceptr;
#endif
namespace SampleRenderer
{
class RendererVertexBuffer;
class RendererIndexBuffer;
class RendererClothShape : public RendererShape
{
enum VertexBufferEnum
{
STATIC_VB,
DYNAMIC_VB,
NUM_VERTEX_BUFFERS
};
public:
RendererClothShape(Renderer& renderer,
const PxVec3* verts, PxU32 numVerts,
const PxVec3* normals,
const PxReal* uvs,
const PxU16* faces, PxU32 numFaces, bool flipWinding=false,
PxCudaContextManager* ctxMgr=NULL);
// must acquire the cuda context and map buffers before calling
bool update(CUdeviceptr srcVerts, PxU32 numVerts);
void update(const PxVec3* verts, PxU32 numVerts, const PxVec3* normals);
// helper functions to map the buffers for multiple shapes
// at once because interop mapping has a large per-call overhead
// thread must acquire the cuda context before calling
static void mapShapes(RendererClothShape** shapes, PxU32 n);
static void unmapShapes(RendererClothShape** shapes, PxU32 n);
virtual ~RendererClothShape();
bool isInteropEnabled() const { return m_ctxMgr != NULL; }
private:
RendererVertexBuffer* m_vertexBuffer[NUM_VERTEX_BUFFERS];
RendererIndexBuffer* m_indexBuffer;
PxU32 m_numFaces;
PxCudaContextManager* m_ctxMgr;
};
} // namespace SampleRenderer
#endif
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