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00001 #include <ntifs.h>
00002 
00003 /* Win32 Headers */
00004 #define WINBASEAPI
00005 #define STARTF_USESIZE 2
00006 #define STARTF_USEPOSITION 4
00007 #define INTERNAL_CALL NTAPI
00008 #define NT_BUILD_ENVIRONMENT
00009 
00010 #include <windef.h>
00011 #include <winerror.h>
00012 #include <wingdi.h>
00013 #include <winddi.h>
00014 
00015 /* DXG treats this as opaque */
00016 typedef PVOID PDC;
00017 typedef PVOID PW32THREAD;
00018 
00019 typedef struct _DD_BASEOBJECT
00020 {
00021   HGDIOBJ     hHmgr;
00022   ULONG       ulShareCount;
00023   USHORT      cExclusiveLock;
00024   USHORT      BaseFlags;
00025   PW32THREAD  Tid;
00026 } DD_BASEOBJECT, *PDD_BASEOBJECT;
00027 
00028 #include <drivers/directx/directxint.h>
00029 #include <drivers/directx/dxg.h>
00030 #include <drivers/directx/dxeng.h>
00031 
00032 #include "tags.h"
00033 
00034 #define ObjType_DDSURFACE_TYPE    2
00035 #define ObjType_DDVIDEOPORT_TYPE  4
00036 #define ObjType_DDMOTIONCOMP_TYPE 5
00037 
00038  typedef struct _DD_ENTRY
00039 {
00040     union
00041     {
00042         PDD_BASEOBJECT pobj;
00043         HANDLE hFree;
00044     };
00045     union
00046     {
00047          ULONG ulObj;
00048          struct
00049          {
00050                 USHORT Count;
00051                 USHORT Lock;
00052                 HANDLE Pid;
00053          };
00054     } ObjectOwner;
00055     USHORT FullUnique;
00056     UCHAR Objt;
00057     UCHAR Flags;
00058     PVOID pUser;
00059 } DD_ENTRY, *PDD_ENTRY;
00060 
00061 typedef struct _EDD_SURFACE_LOCAL
00062 {
00063      DD_BASEOBJECT Object;
00064      DD_SURFACE_LOCAL Surfacelcl;
00065 } EDD_SURFACE_LOCAL, *PEDD_SURFACE_LOCAL;
00066 
00067 /* exported functions */
00068 NTSTATUS NTAPI DriverEntry(IN PVOID Context1, IN PVOID Context2);
00069 NTSTATUS NTAPI GsDriverEntry(IN PVOID Context1, IN PVOID Context2);
00070 NTSTATUS APIENTRY DxDdCleanupDxGraphics(VOID);
00071 
00072 /* Global pointers */
00073 extern ULONG gcSizeDdHmgr;
00074 extern PDD_ENTRY gpentDdHmgr;
00075 extern ULONG gcMaxDdHmgr;
00076 extern PDD_ENTRY gpentDdHmgrLast;
00077 extern HANDLE ghFreeDdHmgr;
00078 extern HSEMAPHORE ghsemHmgr;
00079 extern LONG gcDummyPageRefCnt;
00080 extern HSEMAPHORE ghsemDummyPage;
00081 extern VOID *gpDummyPage;
00082 extern PEPROCESS gpepSession;
00083 extern PLARGE_INTEGER gpLockShortDelay;
00084 
00085 /* Driver list export functions */
00086 DWORD NTAPI DxDxgGenericThunk(ULONG_PTR ulIndex, ULONG_PTR ulHandle, SIZE_T *pdwSizeOfPtr1, PVOID pvPtr1, SIZE_T *pdwSizeOfPtr2, PVOID pvPtr2);
00087 DWORD NTAPI DxDdIoctl(ULONG ulIoctl, PVOID pBuffer, ULONG ulBufferSize);
00088 PDD_SURFACE_LOCAL NTAPI DxDdLockDirectDrawSurface(HANDLE hDdSurface);
00089 BOOL NTAPI DxDdUnlockDirectDrawSurface(PDD_SURFACE_LOCAL pSurface);
00090 
00091 /* Internal functions */
00092 BOOL FASTCALL VerifyObjectOwner(PDD_ENTRY pEntry);
00093 BOOL FASTCALL DdHmgCreate(VOID);
00094 BOOL FASTCALL DdHmgDestroy(VOID);
00095 PVOID FASTCALL DdHmgLock(HANDLE DdHandle, UCHAR ObjectType, BOOLEAN LockOwned);
00096 
00097 /* define stuff */
00098 #define drvDxEngLockDC          gpEngFuncs[DXENG_INDEX_DxEngLockDC]
00099 #define drvDxEngGetDCState      gpEngFuncs[DXENG_INDEX_DxEngGetDCState]
00100 #define drvDxEngGetHdevData     gpEngFuncs[DXENG_INDEX_DxEngGetHdevData]
00101 #define drvDxEngUnlockDC        gpEngFuncs[DXENG_INDEX_DxEngUnlockDC]
00102 #define drvDxEngUnlockHdev      gpEngFuncs[DXENG_INDEX_DxEngUnlockHdev]
00103 #define drvDxEngLockHdev        gpEngFuncs[DXENG_INDEX_DxEngLockHdev]
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