spatmod/imagetargetmgd.h

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#ifndef  INC_SPATMOD_IMAGETARGETMGD_H
#define  INC_SPATMOD_IMAGETARGETMGD_H

#ifndef  INC_SPATMOD_IMAGETARGET_H
#include <spatmod/imagetarget.h>
#endif

namespace MGD {
   class CONTEXT;
   class DEVICE;
   }

namespace SPATMOD {
namespace IMAGE {

//=====================================================================================================================

class TARGET_MGD : public TARGET {
   public:

      TARGET_MGD (
         STAGE *pInputStage                     
         );

      virtual ~TARGET_MGD ();

      MGD::DEVICE* DetachDevice (
         ) { MGD::DEVICE *pDevice = m_pDevice; m_pDevice = 0; return (pDevice); }

      MGD::DEVICE* GetDevice (
         ) const { return (m_pDevice); }

      ERRVALUE SetDevice (
         MGD::DEVICE *pDevice
         );

      void SetForceAlphaBlend (bool bForceAlphaBlend) { m_ForceAlphaBlend = bForceAlphaBlend; }

   protected:

      ERRVALUE AttachDevice (
         MGD::DEVICE *& pDevice                 
         );

      // BASE overrides.

      virtual ERRVALUE v_Initialize ();

      virtual float v_QueryIterator (
         const SECTION_ITERATOR& iterator    
         ) const;

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      MGD::DEVICE *m_pDevice;
      MGD::CONTEXT *m_pContext;
      bool m_IsOwner;
      bool m_SrcHasAlpha;
      bool m_TgtHasAlpha;
      bool m_ForceAlphaBlend;
      bool m_MatchDeviceFrameBuffers;
      int m_TgtAlphaPos;
      int m_TgtPixelBytes;
      mutable SIMPLE_ARRAY<UINT8> m_RowBuf;
      mutable SIMPLE_ARRAY<UINT8> m_MaskBuf;
      SIMPLE_ARRAY<UINT16> m_SampleTrans;
      UINT16 m_SrcSampleIdxAlpha;

      ERRVALUE PushFrame (UINT16 frame, const SECTION& SubSection, const BUFFER& buffer, const UINT16 *SampleTrans, UINT16 SrcSampleIdxAlpha) const;

      // TARGET overrides.
      virtual ERRVALUE v_PushBegin (const SECTION_ITERATOR& iterator);
      virtual ERRVALUE v_PushEnd ();
      virtual ERRVALUE v_PushSubSection (const SECTION& SubSection, const BUFFER& buffer);

      #endif
   };

//=====================================================================================================================

}  // End namespace IMAGE
}  // End namespace SPATMOD

#endif   // INC_SPATMOD_IMAGETARGETMGD_H

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