?? directdraw.pas

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      dwBackBufferCount: DWORD;          // number of back buffers requested
      case Integer of
      0: (
        dwMipMapCount: DWORD;            // number of mip-map levels requested
        dwAlphaBitDepth: DWORD;          // depth of alpha buffer requested
        dwReserved: DWORD;               // reserved
        lpSurface: Pointer;              // pointer to the associated surface memory
        ddckCKDestOverlay: TDDColorKey;  // color key for destination overlay use
        ddckCKDestBlt: TDDColorKey;      // color key for destination blt use
        ddckCKSrcOverlay: TDDColorKey;   // color key for source overlay use
        ddckCKSrcBlt: TDDColorKey;       // color key for source blt use
        ddpfPixelFormat: TDDPixelFormat; // pixel format description of the surface
        ddsCaps: TDDSCaps2;              // direct draw surface capabilities
        dwTextureStage: DWORD;           // stage in multitexture cascade
       );
      1: (
        dwRefreshRate: DWORD;          // refresh rate (used when display mode is described)
       );
     );
  end;

(*
 * TDDOptSurfaceDesc
 *)

  PDDOptSurfaceDesc = ^TDDOptSurfaceDesc;
  TDDOptSurfaceDesc = packed record
    dwSize : DWORD;             // size of the DDOPTSURFACEDESC structure
    dwFlags : DWORD;            // determines what fields are valid
    ddSCaps : TDDSCaps2;        // Common caps like: Memory type
    ddOSCaps : TDDOSCaps;       // Common caps like: Memory type
    guid : TGUID;               // Compression technique GUID
    dwCompressionRatio : DWORD; // Compression ratio
  end;

(*
 * DDCOLORCONTROL
 *)
  PDDColorControl = ^TDDColorControl;
  TDDColorControl = packed record
    dwSize: DWORD;
    dwFlags: DWORD;
    lBrightness: LongInt;
    lContrast: LongInt;
    lHue: LongInt;
    lSaturation: LongInt;
    lSharpness: LongInt;
    lGamma: LongInt;
    lColorEnable: LongInt;
    dwReserved1: DWORD;
  end;

(*
 * callbacks
 *)

{$IFNDEF WINNT}
  TDDEnumModesCallback = function (const lpDDSurfaceDesc: TDDSurfaceDesc;
      lpContext: Pointer) : HResult; stdcall;
  TDDEnumModesCallback2 = function (const lpDDSurfaceDesc: TDDSurfaceDesc2;
      lpContext: Pointer) : HResult; stdcall;
  TDDEnumSurfacesCallback = function (lpDDSurface: IDirectDrawSurface;
      const lpDDSurfaceDesc: TDDSurfaceDesc; lpContext: Pointer) : HResult; stdcall;
  TDDEnumSurfacesCallback2 = function (lpDDSurface: IDirectDrawSurface4;
      const lpDDSurfaceDesc: TDDSurfaceDesc2; lpContext: Pointer) : HResult; stdcall;
  TDDEnumSurfacesCallback7 = function (lpDDSurface: IDirectDrawSurface7;
      const lpDDSurfaceDesc: TDDSurfaceDesc2; lpContext: Pointer) : HResult; stdcall;
{$ENDIF}

(*
 * INTERACES FOLLOW:
 *      IDirectDraw
 *      IDirectDrawClipper
 *      IDirectDrawPalette
 *      IDirectDrawSurface
 *)

(*
 * IDirectDraw
 *)

  IDirectDraw = interface (IUnknown)
    ['{6C14DB80-A733-11CE-A521-0020AF0BE560}']
    (*** IDirectDraw methods ***)
    function Compact: HResult; stdcall;
    function CreateClipper (dwFlags: DWORD;
        out lplpDDClipper: IDirectDrawClipper;
        pUnkOuter: IUnknown) : HResult; stdcall;
    function CreatePalette (dwFlags: DWORD; lpColorTable: pointer;
        out lplpDDPalette: IDirectDrawPalette;
        pUnkOuter: IUnknown) : HResult; stdcall;
    function CreateSurface (var lpDDSurfaceDesc: TDDSurfaceDesc;
        out lplpDDSurface: IDirectDrawSurface;
        pUnkOuter: IUnknown) : HResult; stdcall;
    function DuplicateSurface (lpDDSurface: IDirectDrawSurface;
        out lplpDupDDSurface: IDirectDrawSurface) : HResult; stdcall;
    function EnumDisplayModes (dwFlags: DWORD;
        lpDDSurfaceDesc: PDDSurfaceDesc; lpContext: Pointer;
        lpEnumModesCallback: TDDEnumModesCallback) : HResult; stdcall;
    function EnumSurfaces (dwFlags: DWORD; const lpDDSD: TDDSurfaceDesc;
        lpContext: Pointer; lpEnumCallback: TDDEnumSurfacesCallback) :
        HResult; stdcall;
    function FlipToGDISurface: HResult; stdcall;
    function GetCaps (lpDDDriverCaps: PDDCaps; lpDDHELCaps: PDDCaps) : HResult; stdcall;
    function GetDisplayMode (out lpDDSurfaceDesc: TDDSurfaceDesc) : HResult; stdcall;
    function GetFourCCCodes (var lpNumCodes: DWORD; lpCodes: PDWORD) : HResult; stdcall;
    function GetGDISurface (out lplpGDIDDSSurface: IDirectDrawSurface) :
        HResult; stdcall;
    function GetMonitorFrequency (out lpdwFrequency: DWORD) : HResult; stdcall;
    function GetScanLine (out lpdwScanLine: DWORD) : HResult; stdcall;
    function GetVerticalBlankStatus (out lpbIsInVB: BOOL) : HResult; stdcall;
    function Initialize (lpGUID: PGUID) : HResult; stdcall;
    function RestoreDisplayMode: HResult; stdcall;
    function SetCooperativeLevel (hWnd: HWND; dwFlags: DWORD) : HResult; stdcall;
    (*** Warning!  SetDisplayMode differs between DirectDraw 1 and DirectDraw 2 ***)
    function SetDisplayMode (dwWidth: DWORD; dwHeight: DWORD;
        dwBpp: DWORD) : HResult; stdcall;
    function WaitForVerticalBlank (dwFlags: DWORD; hEvent: THandle) :
        HResult; stdcall;
  end;

  IDirectDraw2 = interface (IUnknown)
    ['{B3A6F3E0-2B43-11CF-A2DE-00AA00B93356}']
    (*** IDirectDraw methods ***)
    function Compact: HResult; stdcall;
    function CreateClipper (dwFlags: DWORD;
        out lplpDDClipper: IDirectDrawClipper;
        pUnkOuter: IUnknown) : HResult; stdcall;
    function CreatePalette (dwFlags: DWORD; lpColorTable: pointer;
        out lplpDDPalette: IDirectDrawPalette;
        pUnkOuter: IUnknown) : HResult; stdcall;
    function CreateSurface (var lpDDSurfaceDesc: TDDSurfaceDesc;
        out lplpDDSurface: IDirectDrawSurface;
        pUnkOuter: IUnknown) : HResult; stdcall;
    function DuplicateSurface (lpDDSurface: IDirectDrawSurface;
        out lplpDupDDSurface: IDirectDrawSurface) : HResult; stdcall;
    function EnumDisplayModes (dwFlags: DWORD;
        lpDDSurfaceDesc: PDDSurfaceDesc; lpContext: Pointer;
        lpEnumModesCallback: TDDEnumModesCallback) : HResult; stdcall;
    function EnumSurfaces (dwFlags: DWORD; var lpDDSD: TDDSurfaceDesc;
        lpContext: Pointer; lpEnumCallback: TDDEnumSurfacesCallback) :
        HResult; stdcall;
    function FlipToGDISurface: HResult; stdcall;
    function GetCaps (lpDDDriverCaps: PDDCaps; lpDDHELCaps: PDDCaps) : HResult; stdcall;
    function GetDisplayMode (out lpDDSurfaceDesc: TDDSurfaceDesc) : HResult; stdcall;
    function GetFourCCCodes (var lpNumCodes: DWORD; lpCodes: PDWORD) : HResult; stdcall;
    function GetGDISurface (out lplpGDIDDSSurface: IDirectDrawSurface) : HResult; stdcall;
    function GetMonitorFrequency (out lpdwFrequency: DWORD) : HResult; stdcall;
    function GetScanLine (out lpdwScanLine: DWORD) : HResult; stdcall;
    function GetVerticalBlankStatus (out lpbIsInVB: BOOL) : HResult; stdcall;
    function Initialize (lpGUID: PGUID) : HResult; stdcall;
    function RestoreDisplayMode: HResult; stdcall;
    function SetCooperativeLevel (hWnd: HWND; dwFlags: DWORD) : HResult; stdcall;
(*** Warning!  SetDisplayMode differs between DirectDraw 1 and DirectDraw 2 ***)
    function SetDisplayMode (dwWidth: DWORD; dwHeight: DWORD; dwBPP: DWORD;
        dwRefreshRate: DWORD; dwFlags: DWORD) : HResult; stdcall;
    function WaitForVerticalBlank (dwFlags: DWORD; hEvent: THandle) :
        HResult; stdcall;
    (*** Added in the v2 interface ***)
    function GetAvailableVidMem (var lpDDSCaps: TDDSCaps;
        out lpdwTotal, lpdwFree: DWORD) : HResult; stdcall;
  end;

  IDirectDraw4 = interface (IUnknown)
    ['{9c59509a-39bd-11d1-8c4a-00c04fd930c5}']
    (*** IDirectDraw methods ***)
    function Compact: HResult; stdcall;
    function CreateClipper (dwFlags: DWORD;
        out lplpDDClipper: IDirectDrawClipper;
        pUnkOuter: IUnknown) : HResult; stdcall;
    function CreatePalette (dwFlags: DWORD; lpColorTable: pointer;
        out lplpDDPalette: IDirectDrawPalette;
        pUnkOuter: IUnknown) : HResult; stdcall;
    function CreateSurface (const lpDDSurfaceDesc: TDDSurfaceDesc2;
        out lplpDDSurface: IDirectDrawSurface4;
        pUnkOuter: IUnknown) : HResult; stdcall;
    function DuplicateSurface (lpDDSurface: IDirectDrawSurface4;
        out lplpDupDDSurface: IDirectDrawSurface4) : HResult; stdcall;
    function EnumDisplayModes (dwFlags: DWORD;
        lpDDSurfaceDesc: PDDSurfaceDesc2; lpContext: Pointer;
        lpEnumModesCallback: TDDEnumModesCallback2) : HResult; stdcall;
    function EnumSurfaces (dwFlags: DWORD; const lpDDSD: TDDSurfaceDesc2;
        lpContext: Pointer; lpEnumCallback: TDDEnumSurfacesCallback2) :
        HResult; stdcall;
    function FlipToGDISurface: HResult; stdcall;
    function GetCaps (lpDDDriverCaps: PDDCaps; lpDDHELCaps: PDDCaps) : HResult; stdcall;
    function GetDisplayMode (out lpDDSurfaceDesc: TDDSurfaceDesc2) : HResult; stdcall;
    function GetFourCCCodes (var lpNumCodes: DWORD; lpCodes: PDWORD) : HResult; stdcall;
    function GetGDISurface (out lplpGDIDDSSurface: IDirectDrawSurface4) :
        HResult; stdcall;
    function GetMonitorFrequency (out lpdwFrequency: DWORD) : HResult; stdcall;
    function GetScanLine (out lpdwScanLine: DWORD) : HResult; stdcall;
    function GetVerticalBlankStatus (out lpbIsInVB: BOOL) : HResult; stdcall;
    function Initialize (lpGUID: PGUID) : HResult; stdcall;
    function RestoreDisplayMode: HResult; stdcall;
    function SetCooperativeLevel (hWnd: HWND; dwFlags: DWORD) : HResult; stdcall;
(*** Warning!  SetDisplayMode differs between DirectDraw 1 and DirectDraw 2 ***)
    function SetDisplayMode (dwWidth: DWORD; dwHeight: DWORD; dwBPP: DWORD;
        dwRefreshRate: DWORD; dwFlags: DWORD) : HResult; stdcall;
    function WaitForVerticalBlank (dwFlags: DWORD; hEvent: THandle) :
        HResult; stdcall;
    (*** Added in the v2 interface ***)
    function GetAvailableVidMem (const lpDDSCaps: TDDSCaps2;
        out lpdwTotal, lpdwFree: DWORD) : HResult; stdcall;
    (*** Added in the V4 Interface ***)
    function GetSurfaceFromDC (hdc : Windows.HDC;
        out lpDDS4: IDirectDrawSurface4) : HResult; stdcall;
    function RestoreAllSurfaces : HResult; stdcall;
    function TestCooperativeLevel : HResult; stdcall;
    function GetDeviceIdentifier (out lpdddi: TDDDeviceIdentifier;
        dwFlags: DWORD) : HResult; stdcall;
  end;

  IDirectDraw7 = interface (IUnknown)
    ['{15e65ec0-3b9c-11d2-b92f-00609797ea5b}']
    (*** IDirectDraw methods ***)
    function Compact: HResult; stdcall;
    function CreateClipper (dwFlags: DWORD;
        out lplpDDClipper: IDirectDrawClipper;
        pUnkOuter: IUnknown) : HResult; stdcall;
    function CreatePalette (dwFlags: DWORD; lpColorTable: pointer;
        out lplpDDPalette: IDirectDrawPalette;
        pUnkOuter: IUnknown) : HResult; stdcall;
    function CreateSurface (const lpDDSurfaceDesc: TDDSurfaceDesc2;
        out lplpDDSurface: IDirectDrawSurface7;
        pUnkOuter: IUnknown) : HResult; stdcall;
    function DuplicateSurface (lpDDSurface: IDirectDrawSurface7;
        out lplpDupDDSurface: IDirectDrawSurface7) : HResult; stdcall;
    function EnumDisplayModes (dwFlags: DWORD;
        lpDDSurfaceDesc: PDDSurfaceDesc2; lpContext: Pointer;
        lpEnumModesCallback: TDDEnumModesCallback2) : HResult; stdcall;
    function EnumSurfaces (dwFlags: DWORD; const lpDDSD: TDDSurfaceDesc2;
        lpContext: Pointer; lpEnumCallback: TDDEnumSurfacesCallback7) :
        HResult; stdcall;
    function FlipToGDISurface: HResult; stdcall;
    function GetCaps (lpDDDriverCaps: PDDCaps; lpDDHELCaps: PDDCaps) : HResult; stdcall;
    function GetDisplayMode (out lpDDSurfaceDesc: TDDSurfaceDesc2) : HResult; stdcall;
    function GetFourCCCodes (var lpNumCodes: DWORD; lpCodes: PDWORD) : HResult; stdcall;
    function GetGDISurface (out lplpGDIDDSSurface: IDirectDrawSurface7) :
        HResult; stdcall;
    function GetMonitorFrequency (out lpdwFrequency: DWORD) : HResult; stdcall;
    function GetScanLine (out lpdwScanLine: DWORD) : HResult; stdcall;
    function GetVerticalBlankStatus (out lpbIsInVB: BOOL) : HResult; stdcall;
    function Initialize (lpGUID: PGUID) : HResult; stdcall;
    function RestoreDisplayMode: HResult; stdcall;
    function SetCooperativeLevel (hWnd: HWND; dwFlags: DWORD) : HResult; stdcall;
    function SetDisplayMode (dwWidth: DWORD; dwHeight: DWORD; dwBPP: DWORD;
        dwRefreshRate: DWORD; dwFlags: DWORD) : HResult; stdcall;
    function WaitForVerticalBlank (dwFlags: DWORD; hEvent: THandle) :
        HResult; stdcall;
    (*** Added in the v2 interface ***)
    function GetAvailableVidMem (const lpDDSCaps: TDDSCaps2;
        out lpdwTotal, lpdwFree: DWORD) : HResult; stdcall;
    (*** Added in the V4 Interface ***)
    function GetSurfaceFromDC (hdc : Windows.HDC;
        out lpDDS: IDirectDrawSurface7) : HResult; stdcall;
    function RestoreAllSurfaces : HResult; stdcall;
    function TestCooperativeLevel : HResult; stdcall;
    function GetDeviceIdentifier (out lpdddi: TDDDeviceIdentifier2;
        dwFlags: DWORD) : HResult; stdcall;
    function StartModeTest(const lpModesToTest; dwNumEntries, dwFlags: DWORD) : HResult; stdcall;
    function EvaluateMode(dwFlags: DWORD; out pSecondsUntilTimeout: DWORD) : HResult; stdcall;
  end;



(*
 * IDirectDrawPalette
 *)

  IDirectDrawPalette = interface (IUnknown)
    ['{6C14DB84-A733-11CE-A521-0020AF0BE560}']
    (*** IDirectDrawPalette methods ***)
    function GetCaps (out lpdwCaps: DWORD) : HResult; stdcall;
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?? directdraw.pas

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