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00001 
00007 /* Copyright, 2000-2002 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #ifndef NL_MESH_VERTEX_PROGRAM_H
00027 #define NL_MESH_VERTEX_PROGRAM_H
00028 
00029 #include "nel/misc/types_nl.h"
00030 #include "nel/misc/stream.h"
00031 #include "nel/misc/smart_ptr.h"
00032 
00033 #include "3d/material.h"
00034 
00035 
00036 namespace NLMISC
00037 {
00038         class CMatrix;
00039 }
00040 
00041 namespace NL3D 
00042 {
00043 
00044 
00045 class   IDriver;
00046 class   CScene;
00047 class   CMeshBaseInstance;
00048 class   CLight;
00049 class   CVertexBuffer;
00050 class   IVertexBufferHard;
00051 
00052 
00059 class IMeshVertexProgram : public NLMISC::IStreamable, public NLMISC::CRefCount
00060 {
00061 public:
00062 
00064         IMeshVertexProgram() {}
00065         virtual ~IMeshVertexProgram() {}
00066 
00069         virtual void    initInstance(CMeshBaseInstance *mbi) =0;
00070         
00071 
00082         virtual bool    begin(IDriver *drv,
00083                                                   CScene *scene,
00084                                                   CMeshBaseInstance *mbi,
00085                                                   const NLMISC::CMatrix &invertedModelMat,
00086                                                   const NLMISC::CVector &viewerPos
00087                                                  ) =0;
00090         virtual void    end(IDriver *drv) =0;
00091         
00095         virtual void    setupForMaterial(const CMaterial &mat,
00096                                                                          IDriver *drv,
00097                                                                          CScene *scene,
00098                                                                          CVertexBuffer *vb) = 0;
00100         virtual void    setupForMaterial(const CMaterial &mat,
00101                                                                          IDriver *drv,
00102                                                                          CScene *scene,
00103                                                                          IVertexBufferHard *vb) = 0;
00104 
00105         // Test wether this vertex program need tangent space informations (stored in the last texture coordinate of the mesh)
00106         virtual bool    needTangentSpace() const { return false; }
00107 };
00108 
00109 
00110 } // NL3D
00111 
00112 
00113 #endif // NL_MESH_VERTEX_PROGRAM_H
00114 
00115 /* End of mesh_vertex_program.h */