symbian/include/internal/dsa.h

   1 #ifndef __DSA_H__
   2 #define __DSA_H__
   3
   4 #include <e32base.h>
   5 #include <w32std.h>
   6 #include "epoc_sdl.h"
   7 #include "sdlepocapi.h"
   8
   9 class CDsa;
  10
  11 typedef void (*TCopyFunction)(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes);
  12
  13 class CDsa : public CBase
  14 {
  15         public:
  16                 inline bool IsDsaAvailable() const;
  17
  18                 static CDsa* CreateL(RWsSession& aSession);
  19
  20                 CDsa();
  21                 virtual ~CDsa();
  22
  23                 TInt AllocSurface(int bpp);
  24
  25                 TInt SetPalette(TInt aFirst, TInt aCount, TUint32* aPalette);
  26                 bool Blit(const TUint8* aBits, const TSize& aSize);
  27
  28                 RWsSession& Session();
  29                 RWindow* Window();
  30                 CDsa* CreateGlesDsaL();
  31
  32                 virtual void Free();
  33
  34                 virtual void ConstructL(RWindow& aWindow, CWsScreenDevice& aDevice);
  35
  36                 virtual TUint8* LockSurface() = 0;
  37                 virtual void UnlockHwSurface() = 0;
  38                 virtual void Stop();
  39
  40                 bool m_updateWholeScreen;
  41                 TInt iSourceBpp;
  42                 TUint32* iLut256;
  43
  44         protected:
  45                 CDsa(RWsSession& aSession);
  46                 void Start();
  47
  48                 CFbsBitmap* iBmp;
  49
  50         private:
  51                 virtual void CreateSurfaceL() = 0;
  52
  53                 void ClipCopy(TUint8* aTarget, const TUint8* aSource, const TRect& aUpdateRect, const TRect& aSourceRect) const;
  54                 static void Copy256(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes);
  55                 static void CopySlow(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes);
  56                 static void CopyMem(const CDsa& aDsa, TUint32* aTarget, const TUint8* aSource, TInt aBytes);
  57
  58                 void SetCopyFunction();
  59
  60                 bool iRunning;
  61                 RWsSession& iSession;
  62
  63                 TInt iTargetBpp;
  64                 TCopyFunction iCopyFunction;
  65                 TUint8* iTargetAddr;
  66                 TCopyFunction iCFTable[3];
  67                 TInt iNewFlags;
  68                 RWindow* iWindow;
  69 };
  70
  71 inline bool CDsa::IsDsaAvailable() const
  72 {
  73         return iRunning;
  74 }
  75
  76 #endif