prj/tech/libsrc/dispdev/wdispdd.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // $Source: x:/prj/tech/libsrc/dispdev/RCS/wdispdd.h $
   3 // $Author: KEVIN $
   4 // $Date: 1998/02/02 12:46:29 $
   5 // $Revision: 1.13 $
   6 //
   7 // @TBD (toml 05-16-96): Must do a flippable DD mode op
   8 // implementation
   9 //
  10
  11 #ifndef __WDISPDD_H
  12 #define __WDISPDD_H
  13
  14 ///////////////////////////////////////////////////////////////////////////////
  15
  16 class cDDCritMsgHandler;
  17 class cDDModeOpsBase;
  18
  19 ///////////////////////////////////////////////////////////////////////////////
  20
  21 #ifdef DEBUG
  22 #include <mprintf.h>
  23 #endif
  24
  25 const char * WhatDDError(HRESULT error);
  26
  27 #ifdef DEBUG
  28 #define DebugMsgIfErr(msg, err) { if (result != DD_OK) { mprintf("%s, result == \"%s\"\n", msg, WhatDDError(err)); } }
  29 #define DebugDumpModeInfo(t, p) DebugMsgTrue5(t, "Mode info is (%d, %d, %d, 0x%lx, 0x%lx)", p->w, p->h, p->rowBytes, p->vbase, p->vbase2)
  30 #define DebugMsgDesc(d) \
  31 do { \
  32    DebugMsg2("Surface Descriptor " #d ": dwSize is %u, dwFlags is 0x%x,", d.dwSize, d.dwFlags); \
  33    DebugMsg4("  h is %u, w is %u, p is %d, ddsCaps is 0x%x", d.dwHeight, d.dwWidth, d.lPitch, d.ddsCaps); \
  34 } while(0)
  35 #else
  36 #define DebugMsgIfErr(msg, err)
  37 #define DebugDumpModeInfo(t, p)
  38 #define DebugMsgDesc(fPrimaryDesc)
  39 #endif
  40
  41 ///////////////////////////////////////////////////////////////////////////////
  42 //
  43 // CLASS: cDDProvider
  44 //
  45 // Implements DirectDraw based version of modeless display device operations
  46 //
  47
  48 class cDDProvider : public cWinDisplayProvider
  49 {
  50 public:
  51     cDDProvider(cWinDisplayDevice * pDisplayDevice);
  52     virtual ~cDDProvider();
  53
  54     enum
  55     {
  56         kDDFullScreenCoopFlags  = (DDSCL_FULLSCREEN | DDSCL_EXCLUSIVE | DDSCL_ALLOWMODEX),
  57         kDDWindowedCoopFlags    = DDSCL_NORMAL
  58     };
  59
  60     ///////////////////////////////////
  61
  62     HRESULT SetCooperativeLevel(DWORD);
  63
  64 private:
  65
  66     ///////////////////////////////////
  67     //
  68     // Hooks from cWinDisplayProvider
  69     //
  70
  71     virtual BOOL DoProcessMessage(UINT msg, WPARAM wParam, LPARAM lParam, long * pRetVal);
  72     virtual void DoGetInfo(sGrDeviceInfo *, sGrModeInfo *);
  73     virtual BOOL DoOpen(sGrModeCap *, int flags);
  74     virtual BOOL DoClose();
  75     virtual cWinDisplayModeOperations * DoSetMode(const sGrModeInfo &, int flags, sGrModeCap * pReturnModeInfo);
  76     virtual BOOL DoGetDirectDraw(IDirectDraw **);
  77     virtual BOOL DoGetBitmapSurface(sGrBitmap *, IDirectDrawSurface **);
  78
  79     ///////////////////////////////////
  80
  81     friend class cDDModeOpsBase;
  82     cDDModeOpsBase * m_pModeOps;
  83
  84     ///////////////////////////////////
  85
  86     LPDIRECTDRAW        m_pDD;          // DirectDraw object
  87
  88     DWORD               m_DDCoopFlags;
  89     DWORD               m_PalFlags;
  90     DDSCAPS             m_SurfaceCaps;
  91     long                m_lTotalVideoMemory;
  92     long                m_NormalWindowStyle;
  93     long                m_NormalWindowExStyle;
  94
  95     enum eFlags
  96     {
  97         kAlwaysEmulate  = 0x01
  98     };
  99
 100     int                 m_Flags;
 101
 102     static HRESULT CALLBACK EnumDisplayModesCallback(LPDDSURFACEDESC pddsd, LPVOID Context);
 103     friend class cDDCritMsgHandler;
 104 };
 105
 106 ///////////////////////////////////////////////////////////////////////////////
 107
 108 #endif /* !__WDISPDD_H */