btSoftBodySolverLinkData_DX11.h

Go to the documentation of this file.
00001 /*
00002 Bullet Continuous Collision Detection and Physics Library
00003 Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
00004 
00005 This software is provided 'as-is', without any express or implied warranty.
00006 In no event will the authors be held liable for any damages arising from the use of this software.
00007 Permission is granted to anyone to use this software for any purpose, 
00008 including commercial applications, and to alter it and redistribute it freely, 
00009 subject to the following restrictions:
00010 
00011 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.
00012 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
00013 3. This notice may not be removed or altered from any source distribution.
00014 */
00015 
00016 
00017 #include "BulletMultiThreaded/GpuSoftBodySolvers/Shared/btSoftBodySolverData.h"
00018 #include "btSoftBodySolverBuffer_DX11.h"
00019 
00020 
00021 #ifndef BT_SOFT_BODY_SOLVER_LINK_DATA_DX11_H
00022 #define BT_SOFT_BODY_SOLVER_LINK_DATA_DX11_H
00023 
00024 struct ID3D11Device;
00025 struct ID3D11DeviceContext;
00026 
00027 
00028 class btSoftBodyLinkDataDX11 : public btSoftBodyLinkData
00029 {
00030 public:
00031         bool                            m_onGPU;
00032         ID3D11Device            *m_d3dDevice;
00033         ID3D11DeviceContext *m_d3dDeviceContext;
00034 
00035 
00036         btDX11Buffer<LinkNodePair>                              m_dx11Links;
00037         btDX11Buffer<float>                                                                                     m_dx11LinkStrength;
00038         btDX11Buffer<float>                                                                                     m_dx11LinksMassLSC;
00039         btDX11Buffer<float>                                                                                     m_dx11LinksRestLengthSquared;
00040         btDX11Buffer<Vectormath::Aos::Vector3>                                          m_dx11LinksCLength;
00041         btDX11Buffer<float>                                                                                     m_dx11LinksLengthRatio;
00042         btDX11Buffer<float>                                                                                     m_dx11LinksRestLength;
00043         btDX11Buffer<float>                                                                                     m_dx11LinksMaterialLinearStiffnessCoefficient;
00044 
00045         struct BatchPair
00046         {
00047                 int start;
00048                 int length;
00049 
00050                 BatchPair() :
00051                         start(0),
00052                         length(0)
00053                 {
00054                 }
00055 
00056                 BatchPair( int s, int l ) : 
00057                         start( s ),
00058                         length( l )
00059                 {
00060                 }
00061         };
00062 
00067         btAlignedObjectArray< int >                                                     m_linkAddresses;
00068 
00072         btAlignedObjectArray< BatchPair >               m_batchStartLengths;
00073 
00074 
00075         //ID3D11Buffer*               readBackBuffer;
00076         
00077         btSoftBodyLinkDataDX11( ID3D11Device *d3dDevice, ID3D11DeviceContext *d3dDeviceContext );
00078 
00079         virtual ~btSoftBodyLinkDataDX11();
00080 
00082         virtual void createLinks( int numLinks );
00083         
00085         virtual void setLinkAt( const LinkDescription &link, int linkIndex );
00086 
00087         virtual bool onAccelerator();
00088 
00089         virtual bool moveToAccelerator();
00090 
00091         virtual bool moveFromAccelerator();
00092 
00099         void generateBatches();
00100 };
00101 
00102 
00103 #endif // #ifndef BT_SOFT_BODY_SOLVER_LINK_DATA_DX11_H