vbufmgr.h Source File

00001 /*
00002     Copyright (C) 2001 by Jorrit Tyberghein
00003     Written by Jorrit Tyberghein.
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or (at your option) any later version.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public
00016     License along with this library; if not, write to the Free
00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 */
00019 
00020 #ifndef __IVIDEO_VBUFMGR_H__
00021 #define __IVIDEO_VBUFMGR_H__
00022 
00023 #include "csutil/scf.h"
00024 
00025 class csMatrix3;
00026 class csPlane3;
00027 class csVector3;
00028 class csVector2;
00029 class csColor;
00030 struct iPolygonTexture;
00031 struct iMaterialHandle;
00032 
00033 SCF_VERSION (iVertexBuffer, 0, 1, 0);
00034 
00042 struct iVertexBuffer : public iBase
00043 {
00045   virtual int GetPriority () const = 0;
00047   virtual bool IsLocked () const = 0;
00051   virtual csVector3* GetVertices () const = 0;
00055   virtual csVector2* GetTexels () const = 0;
00059   virtual csColor* GetColors () const = 0;
00063   virtual int GetVertexCount () const = 0;
00064 };
00065 
00066 SCF_VERSION (iPolygonBuffer, 0, 0, 3);
00067 
00079 struct iPolygonBuffer : public iBase
00080 {
00089   virtual void AddPolygon (int* verts, int num_verts,
00090         const csPlane3& poly_normal,
00091         int mat_index,
00092         const csMatrix3& m_obj2tex, const csVector3& v_obj2tex,
00093         iPolygonTexture* poly_texture) = 0;
00094 
00099   virtual void SetVertexArray (csVector3* verts, int num_verts) = 0;
00100 
00104   virtual void AddMaterial (iMaterialHandle* mat_handle) = 0;
00108   virtual int GetMaterialCount () const = 0;
00112   virtual iMaterialHandle* GetMaterial (int idx) const = 0;
00113 
00115   virtual int GetVertexCount() const = 0;
00116 
00118 
00119   virtual csVector3* GetVertices() const = 0;
00120 
00125   virtual void SetMaterial (int idx, iMaterialHandle* mat_handle) = 0;
00126 
00128   virtual void Clear () = 0;
00129 };
00130 
00131 SCF_VERSION (iVertexBufferManagerClient, 0, 0, 1);
00132 
00139 struct iVertexBufferManagerClient : public iBase
00140 {
00145   virtual void ManagerClosing () = 0;
00146 };
00147 
00148 SCF_VERSION (iVertexBufferManager, 0, 0, 2);
00149 
00154 struct iVertexBufferManager : public iBase
00155 {
00156   //---------- Vertex Buffers -----------------------------------------------
00157 
00166   virtual iVertexBuffer* CreateBuffer (int priority) = 0;
00167 
00172   virtual void ChangePriority (iVertexBuffer* buf, int new_priority) = 0;
00173 
00187   virtual bool LockBuffer (iVertexBuffer* buf,
00188         csVector3* verts,
00189         csVector2* texels,
00190         csColor* colors,
00191         int num_verts, int buf_number) = 0;
00192 
00196   virtual void UnlockBuffer (iVertexBuffer* buf) = 0;
00197 
00198   //---------- Polygon Buffers -----------------------------------------------
00199 
00204   virtual iPolygonBuffer* CreatePolygonBuffer () = 0;
00205 
00206   //---------- client handling -----------------------------------------------
00207 
00212   virtual void AddClient (iVertexBufferManagerClient *client) = 0;
00213   virtual void RemoveClient (iVertexBufferManagerClient *client) = 0;
00214 };
00215 
00216 #endif // __IVIDEO_VBUFMGR_H__
00217