Source/Contrib/ComputeBase/ComputeShader/OSGComputeShaderAlgorithm.h

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  37 \*---------------------------------------------------------------------------*/
  38
  39 #ifndef _OSGCOMPUTESHADERALGORITHM_H_
  40 #define _OSGCOMPUTESHADERALGORITHM_H_
  41
  42 #include <queue>
  43
  44 #include "OSGComputeShaderAlgorithmBase.h"
  45
  46 OSG_BEGIN_NAMESPACE
  47
  48 class DrawEnv;
  49 class Action;
  50
  51 //! Stage
  52 //! \ingroup GrpSystemNodeCoresMisc
  53
  54 class OSG_CONTRIBCOMPUTEBASE_DLLMAPPING ComputeShaderAlgorithm :
  55     public ComputeShaderAlgorithmBase
  56 {
  57     /*==========================  PUBLIC  =================================*/
  58
  59   public:
  60
  61     /*---------------------------------------------------------------------*/
  62     /*! \name                       Sync                                   */
  63     /*! \{                                                                 */
  64
  65     virtual void changed(ConstFieldMaskArg whichField,
  66                          UInt32            origin,
  67                          BitVector         detail);
  68
  69     /*! \}                                                                 */
  70     /*---------------------------------------------------------------------*/
  71     /*! \name                      Execute                                 */
  72     /*! \{                                                                 */
  73
  74     virtual Action::ResultE renderEnter(Action          *pAction );
  75     virtual Action::ResultE renderLeave(Action          *pAction );
  76
  77     virtual void            execute    (HardwareContext *pContext,
  78                                         DrawEnv         *pEnv    );
  79
  80     /*! \}                                                                 */
  81     /*---------------------------------------------------------------------*/
  82     /*! \name                      Execute                                 */
  83     /*! \{                                                                 */
  84
  85     /*! \}                                                                 */
  86     /*---------------------------------------------------------------------*/
  87     /*! \name                        Dump                                  */
  88     /*! \{                                                                 */
  89
  90     virtual void dump(      UInt32    uiIndent = 0,
  91                       const BitVector bvFlags  = 0) const;
  92
  93     /*! \}                                                                 */
  94     /*=========================  PROTECTED  ===============================*/
  95
  96   protected:
  97
  98     static  UInt32                     _arbComputeShader;
  99     static  UInt32                     _arbComputeVariableGroupSize;
 100     static  UInt32                     _arbShaderImageLoadStore;
 101
 102     static  UInt32                      FuncIdDispatchCompute;
 103     static  UInt32                      FuncIdDispatchComputeGroupSize;
 104     static  UInt32                      FuncIdMemoryBarrier;
 105
 106     typedef ComputeShaderAlgorithmBase  Inherited;
 107
 108     /*---------------------------------------------------------------------*/
 109     /*! \name                   Constructors                               */
 110     /*! \{                                                                 */
 111
 112     ComputeShaderAlgorithm(void);
 113     ComputeShaderAlgorithm(const ComputeShaderAlgorithm &source);
 114
 115     /*! \}                                                                 */
 116     /*---------------------------------------------------------------------*/
 117     /*! \name                   Destructors                                */
 118     /*! \{                                                                 */
 119
 120     virtual ~ComputeShaderAlgorithm(void);
 121
 122     /*! \}                                                                 */
 123     /*---------------------------------------------------------------------*/
 124     /*! \name                   Draw                                       */
 125     /*! \{                                                                 */
 126
 127     /*! \}                                                                 */
 128     /*---------------------------------------------------------------------*/
 129     /*! \name                      Init                                    */
 130     /*! \{                                                                 */
 131
 132     static void initMethod(InitPhase ePhase);
 133
 134     /*! \}                                                                 */
 135     /*==========================  PRIVATE  ================================*/
 136
 137   private:
 138
 139     friend class FieldContainer;
 140     friend class ComputeShaderAlgorithmBase;
 141
 142     /*---------------------------------------------------------------------*/
 143     /*! \name                   thread local                               */
 144     /*! \{                                                                 */
 145
 146     /*! \}                                                                 */
 147     /*---------------------------------------------------------------------*/
 148     /*! \name                    load thread                               */
 149     /*! \{                                                                 */
 150
 151     /*! \}                                                                 */
 152     /*---------------------------------------------------------------------*/
 153
 154     /*!\brief prohibit default function (move to 'public' if needed) */
 155     void operator =(const ComputeShaderAlgorithm &source);
 156 };
 157
 158 typedef ComputeShaderAlgorithm *ComputeShaderAlgorithmP;
 159
 160 OSG_END_NAMESPACE
 161
 162 #include "OSGComputeShaderAlgorithmBase.inl"
 163 #include "OSGComputeShaderAlgorithm.inl"
 164
 165 #endif /* _OSGCOMPUTESHADERALGORITHM_H_ */