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85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "BulletMultiThreaded/GpuSoftBodySolvers/CPU/btSoftBodySolverData.h"
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#include "btSoftBodySolverBuffer_OpenCL.h"
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#ifndef BT_SOFT_BODY_SOLVER_TRIANGLE_DATA_OPENCL_H
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#define BT_SOFT_BODY_SOLVER_TRIANGLE_DATA_OPENCL_H
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class btSoftBodyTriangleDataOpenCL : public btSoftBodyTriangleData
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{
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public:
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bool m_onGPU;
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cl_command_queue m_queue;
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btOpenCLBuffer<btSoftBodyTriangleData::TriangleNodeSet> m_clVertexIndices;
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btOpenCLBuffer<float> m_clArea;
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btOpenCLBuffer<Vectormath::Aos::Vector3> m_clNormal;
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/**
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* Link addressing information for each cloth.
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* Allows link locations to be computed independently of data batching.
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*/
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btAlignedObjectArray< int > m_triangleAddresses;
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/**
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* Start and length values for computation batches over link data.
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*/
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struct btSomePair
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{
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btSomePair() {}
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btSomePair(int f,int s)
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:first(f),second(s)
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{
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}
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int first;
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int second;
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};
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btAlignedObjectArray< btSomePair > m_batchStartLengths;
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public:
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btSoftBodyTriangleDataOpenCL( cl_command_queue queue, cl_context ctx );
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virtual ~btSoftBodyTriangleDataOpenCL();
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/** Allocate enough space in all link-related arrays to fit numLinks links */
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virtual void createTriangles( int numTriangles );
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/** Insert the link described into the correct data structures assuming space has already been allocated by a call to createLinks */
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virtual void setTriangleAt( const btSoftBodyTriangleData::TriangleDescription &triangle, int triangleIndex );
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virtual bool onAccelerator();
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virtual bool moveToAccelerator();
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virtual bool moveFromAccelerator();
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/**
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* Generate (and later update) the batching for the entire triangle set.
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* This redoes a lot of work because it batches the entire set when each cloth is inserted.
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* In theory we could delay it until just before we need the cloth.
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* It's a one-off overhead, though, so that is a later optimisation.
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*/
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void generateBatches();
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}; // class btSoftBodyTriangleDataOpenCL
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#endif // #ifndef BT_SOFT_BODY_SOLVER_TRIANGLE_DATA_OPENCL_H
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