glc_wiredata.h

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00001 /****************************************************************************
00002 
00003  This file is part of the GLC-lib library.
00004  Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
00005  http://glc-lib.sourceforge.net
00006 
00007  GLC-lib is free software; you can redistribute it and/or modify
00008  it under the terms of the GNU Lesser General Public License as published by
00009  the Free Software Foundation; either version 3 of the License, or
00010  (at your option) any later version.
00011 
00012  GLC-lib is distributed in the hope that it will be useful,
00013  but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  GNU Lesser General Public License for more details.
00016 
00017  You should have received a copy of the GNU Lesser General Public License
00018  along with GLC-lib; if not, write to the Free Software
00019  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021  *****************************************************************************/
00023 
00024 #ifndef GLC_WIREDATA_H_
00025 #define GLC_WIREDATA_H_
00026 
00027 #include <QColor>
00028 #include <QGLBuffer>
00029 
00030 #include "../glc_global.h"
00031 #include "../glc_boundingbox.h"
00032 #include "../shading/glc_renderproperties.h"
00033 
00034 #include "../glc_config.h"
00037 
00039 
00040 class GLC_LIB_EXPORT GLC_WireData
00041 {
00042         friend GLC_LIB_EXPORT QDataStream &operator<<(QDataStream &, const GLC_WireData &);
00043         friend GLC_LIB_EXPORT QDataStream &operator>>(QDataStream &, GLC_WireData &);
00044 
00046         enum VboType
00047         {
00048                 GLC_Vertex= 30,
00049                 GLC_Color,
00050                 GLC_Index
00051         };
00052 
00054 
00056 
00057 public:
00059         GLC_WireData();
00060 
00062         GLC_WireData(const GLC_WireData&);
00063 
00065         GLC_WireData& operator=(const GLC_WireData&);
00066 
00068         virtual ~GLC_WireData();
00070 
00072 
00074 
00075 public:
00077         static quint32 chunckID();
00078 
00080         GLfloatVector positionVector() const;
00081 
00083         GLfloatVector colorVector() const;
00084 
00086         QVector<GLuint> indexVector() const;
00087 
00089         inline bool isEmpty() const
00090         {return ((m_PositionSize == 0) && m_Positions.isEmpty());}
00091 
00093         GLC_BoundingBox& boundingBox();
00094 
00096         inline int verticeGroupCount() const
00097         {return m_VerticeGroupCount;}
00098 
00100         inline GLuint verticeGroupOffset(int index) const
00101         {return m_VerticeGroupOffseti.at(index);}
00102 
00104         inline GLsizei verticeGroupSize(int index) const
00105         {return m_VerticeGrouprSizes.at(index);}
00106 
00108         inline bool useIndexdColors() const
00109         {return (m_ColorSize > 0) || (m_Colors.size() > 0);}
00111 
00113 
00115 
00116 public:
00118         GLC_uint addVerticeGroup(const GLfloatVector&);
00119 
00121         inline void addColors(const GLfloatVector& colors)
00122         {m_Colors+= colors;}
00123 
00125         void clear();
00126 
00128         void copyVboToClientSide();
00129 
00131         void releaseVboClientSide(bool update= false);
00132 
00134         void setVboUsage(bool usage);
00135 
00137 
00139 
00141 
00142 public:
00144         void finishVbo();
00145 
00147         void useVBO(GLC_WireData::VboType type, bool usage);
00148 
00150 
00151         void glDraw(const GLC_RenderProperties&, GLenum mode);
00152 
00153 private:
00154 
00156         void fillVBOs();
00157 
00159         void buidIndex();
00160 
00162         void activateVboAndIbo();
00163 
00165         void finishOffset();
00167 
00169 // Private members
00171 private:
00173         QGLBuffer m_VerticeBuffer;
00174 
00176         GLC_uint m_NextPrimitiveLocalId;
00177 
00179         GLfloatVector m_Positions;
00180 
00182         QGLBuffer m_ColorBuffer;
00183 
00185         GLfloatVector m_Colors;
00186 
00188         QGLBuffer m_IndexBuffer;
00189 
00191         QVector<GLuint> m_IndexVector;
00192 
00194         int m_PositionSize;
00195 
00197         int m_ColorSize;
00198 
00200         GLC_BoundingBox* m_pBoundingBox;
00201 
00203         IndexSizes m_VerticeGrouprSizes;
00204 
00206         OffsetVectori m_VerticeGroupOffseti;
00207 
00209         OffsetVector m_VerticeGroupOffset;
00210 
00212         QList<GLC_uint> m_VerticeGroupId;
00213 
00215         int m_VerticeGroupCount;
00216 
00218         bool m_UseVbo;
00219 
00221         static quint32 m_ChunkId;
00222 };
00223 
00225 GLC_LIB_EXPORT QDataStream &operator<<(QDataStream &, const GLC_WireData &);
00226 GLC_LIB_EXPORT QDataStream &operator>>(QDataStream &, GLC_WireData &);
00227 
00228 #endif /* GLC_WIREDATA_H_ */

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©2005-2011 Laurent Ribon