btSoftBodySolver_DX11SIMDAware.h

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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 #include "vectormath/vmInclude.h"
00017 #include "btSoftBodySolver_DX11.h"
00018 #include "btSoftBodySolverVertexBuffer_DX11.h"
00019 #include "btSoftBodySolverLinkData_DX11SIMDAware.h"
00020 #include "btSoftBodySolverVertexData_DX11.h"
00021 #include "btSoftBodySolverTriangleData_DX11.h"
00022 
00023 
00024 #ifndef BT_SOFT_BODY_DX11_SOLVER_SIMDAWARE_H
00025 #define BT_SOFT_BODY_DX11_SOLVER_SIMDAWARE_H
00026 
00027 class btDX11SIMDAwareSoftBodySolver : public btDX11SoftBodySolver
00028 {
00029 protected:
00030         struct SolvePositionsFromLinksKernelCB
00031         {               
00032                 int startWave;
00033                 int numWaves;
00034                 float kst;
00035                 float ti;
00036         };
00037 
00038 
00040         btSoftBodyLinkDataDX11SIMDAware m_linkData;
00041                 
00043         bool m_updateSolverConstants;
00044 
00045         
00046         virtual bool buildShaders();
00047 
00048         void updateConstants( float timeStep );
00049 
00050 
00052         // Kernel dispatches
00053         
00054 
00055         void solveLinksForPosition( int startLink, int numLinks, float kst, float ti );
00056 
00057         // End kernel dispatches
00059 
00060 
00061 
00062 public:
00063         btDX11SIMDAwareSoftBodySolver(ID3D11Device * dx11Device, ID3D11DeviceContext* dx11Context, DXFunctions::CompileFromMemoryFunc dx11CompileFromMemory = &D3DX11CompileFromMemory);
00064 
00065         virtual ~btDX11SIMDAwareSoftBodySolver();
00066 
00067         virtual btSoftBodyLinkData &getLinkData();
00068 
00069         virtual void optimize( btAlignedObjectArray< btSoftBody * > &softBodies , bool forceUpdate=false);
00070 
00071         virtual void solveConstraints( float solverdt );
00072         
00073         virtual SolverTypes getSolverType() const
00074         {
00075                 return DX_SIMD_SOLVER;
00076         }
00077         
00078 };
00079 
00080 #endif // #ifndef BT_SOFT_BODY_DX11_SOLVER_SIMDAWARE_H
00081