NvCloth library v1.0.0

1 files changed, 136 insertions, 0 deletions

diff --git a/NvCloth/src/SwSolver.h b/NvCloth/src/SwSolver.h
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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) 2008-2017 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+#pragma once
+
+#include "NvCloth/Solver.h"
+#include "SwInterCollision.h"
+
+namespace nv
+{
+
+namespace cloth
+{
+
+class SwCloth;
+class SwFactory;
+
+/// CPU/SSE based cloth solver
+class SwSolver : public Solver
+{
+	struct SimulatedCloth
+	{
+		SimulatedCloth(SwCloth& cloth, SwSolver* parent);
+		void Destroy();
+		void Simulate();
+
+		SwCloth* mCloth;
+		uint32_t mScratchMemorySize;
+		void* mScratchMemory;
+		float mInvNumIterations;
+
+		SwSolver* mParent;
+	};
+	friend struct SimulatedCloth;
+
+  public:
+	SwSolver();
+	virtual ~SwSolver();
+
+	virtual void addCloth(Cloth*) override;
+	virtual void removeCloth(Cloth*) override;
+
+	// functions executing the simulation work.
+	virtual bool beginSimulation(float dt) override;
+	virtual void simulateChunk(int idx) override;
+	virtual void endSimulation() override;
+	virtual int getSimulationChunkCount() const override;
+
+	virtual void setInterCollisionDistance(float distance) override
+	{
+		mInterCollisionDistance = distance;
+	}
+	virtual float getInterCollisionDistance() const override
+	{
+		return mInterCollisionDistance;
+	}
+
+	virtual void setInterCollisionStiffness(float stiffness) override
+	{
+		mInterCollisionStiffness = stiffness;
+	}
+	virtual float getInterCollisionStiffness() const override
+	{
+		return mInterCollisionStiffness;
+	}
+
+	virtual void setInterCollisionNbIterations(uint32_t nbIterations) override
+	{
+		mInterCollisionIterations = nbIterations;
+	}
+	virtual uint32_t getInterCollisionNbIterations() const override
+	{
+		return mInterCollisionIterations;
+	}
+
+	virtual void setInterCollisionFilter(InterCollisionFilter filter) override
+	{
+		mInterCollisionFilter = filter;
+	}
+
+	virtual bool hasError() const override
+	{
+		return false;
+	}
+
+  private:
+	void beginFrame() const;
+	void endFrame() const;
+
+	void interCollision();
+
+  private:
+	Vector<SimulatedCloth>::Type mSimulatedCloths;
+
+	
+	float mInterCollisionDistance;
+	float mInterCollisionStiffness;
+	uint32_t mInterCollisionIterations;
+	InterCollisionFilter mInterCollisionFilter;
+
+	void* mInterCollisionScratchMem;
+	uint32_t mInterCollisionScratchMemSize;
+	Vector<SwInterCollisionData>::Type mInterCollisionInstances;
+
+	float mCurrentDt; //The delta time for the current simulated frame
+
+	mutable void* mSimulateProfileEventData;
+};
+}
+}