Source/System/Cluster/Window/SortLast/OSGParallelComposer.h

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  37 \*---------------------------------------------------------------------------*/
  38
  39 #ifndef _OSGPARALLELCOMPOSER_H_
  40 #define _OSGPARALLELCOMPOSER_H_
  41 #ifdef __sgi
  42 #pragma once
  43 #endif
  44
  45 #include "OSGParallelComposerBase.h"
  46
  47
  48 #ifdef OSG_WITH_PARALLEL
  49 #include <cei_pc.h>
  50 #endif
  51
  52 #ifndef WIN32
  53 #include <unistd.h>
  54 #else
  55 #include <windows.h>
  56 #endif
  57
  58 OSG_BEGIN_NAMESPACE
  59
  60 /*! \brief ParallelComposer class. See \ref
  61            PageSystemParallelComposer for a description.
  62
  63     \ingroup GrpClusterWindowComposer
  64     \ingroup GrpLibOSGCluster
  65     \includebasedoc
  66  */
  67
  68 class OSG_CLUSTER_DLLMAPPING ParallelComposer : public ParallelComposerBase
  69 {
  70   private:
  71
  72     typedef ParallelComposerBase Inherited;
  73
  74     /*==========================  PUBLIC  =================================*/
  75
  76   public:
  77
  78     /*---------------------------------------------------------------------*/
  79     /*! \name                      Sync                                    */
  80     /*! \{                                                                 */
  81
  82     virtual void changed(ConstFieldMaskArg whichField,
  83                          UInt32            origin,
  84                          BitVector         detail);
  85
  86     /*! \}                                                                 */
  87     /*---------------------------------------------------------------------*/
  88     /*! \name                     Output                                   */
  89     /*! \{                                                                 */
  90
  91     virtual void dump(      UInt32     uiIndent = 0,
  92                       const BitVector  bvFlags  = 0) const;
  93     /*! \}                                                                 */
  94     /*---------------------------------------------------------------------*/
  95     /*! \name      features                                                */
  96     /*! \{                                                                 */
  97
  98     virtual bool clientRendering (void);
  99
 100     /*! \}                                                                 */
 101     /*---------------------------------------------------------------------*/
 102     /*! \name      composition                                             */
 103     /*! \{                                                                 */
 104
 105     virtual void open           (               );
 106     virtual void composeViewport(Viewport *port );
 107     virtual void close          (void           );
 108
 109     /*! \}                                                                 */
 110     /*---------------------------------------------------------------------*/
 111     /*! \name      features                                                */
 112     /*! \{                                                                 */
 113
 114     virtual bool   getClientRendering(void);
 115     virtual UInt32 getUsableServers  (void);
 116
 117     /*! \}                                                                 */
 118     /*=========================  PROTECTED  ===============================*/
 119
 120   protected:
 121
 122     UInt32          _usableServers;
 123     UInt32          _wWidth;
 124     UInt32          _wHeight;
 125     Real64          _fRenderRequest[6];
 126     char**          _serverList;
 127     char            _serviceAddr[256];
 128     UInt8*          _bufColor;
 129     UInt8*          _bufDepth;
 130     UInt8*          _bufRet;
 131     bool            _createContext;
 132 #ifdef OSG_WITH_PARALLEL
 133     PCint           _rowPixels;
 134     PCcontext       _context;
 135 #endif
 136
 137     /*---------------------------------------------------------------------*/
 138     /*! \name                  Constructors                                */
 139     /*! \{                                                                 */
 140
 141     ParallelComposer(void);
 142     ParallelComposer(const ParallelComposer &source);
 143
 144     /*! \}                                                                 */
 145     /*---------------------------------------------------------------------*/
 146     /*! \name                   Destructors                                */
 147     /*! \{                                                                 */
 148
 149     virtual ~ParallelComposer(void);
 150
 151     /*! \}                                                                 */
 152     /*---------------------------------------------------------------------*/
 153     /*! \name              compose                                         */
 154     /*! \{                                                                 */
 155
 156     void writeBuffer();
 157     void readBuffer();
 158
 159     /*! \}                                                                 */
 160     /*---------------------------------------------------------------------*/
 161     /*! \name                       Init                                   */
 162     /*! \{                                                                 */
 163
 164     static void initMethod(InitPhase ePhase);
 165
 166     /*! \}                                                                 */
 167     /*==========================  PRIVATE  ================================*/
 168
 169   private:
 170
 171     // helper functions
 172     void            createCtx (Viewport *port);
 173     void            endFrame  (UInt32    id  );
 174     UInt32          beginFrame(void          );
 175     void            drawFrame (void          );
 176     void            renderRead(void          );
 177
 178     friend class FieldContainer;
 179     friend class ParallelComposerBase;
 180
 181
 182     // prohibit default functions (move to 'public' if you need one)
 183     void operator =(const ParallelComposer &source);
 184
 185 };
 186
 187 typedef ParallelComposer *ParallelComposerP;
 188
 189 OSG_END_NAMESPACE
 190
 191 #include "OSGParallelComposerBase.inl"
 192 #include "OSGParallelComposer.inl"
 193
 194 #endif /* _OSGPARALLELCOMPOSER_H_ */