mirror of
https://github.com/reactos/reactos.git
synced 2025-01-11 16:51:06 +00:00
112 lines
3 KiB
C
112 lines
3 KiB
C
/* DDK/NDK/SDK Headers */
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#include <ntddk.h>
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#include <ntddmou.h>
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#include <ntifs.h>
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#include <tvout.h>
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#include <ntndk.h>
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/* Win32 Headers */
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#define WINBASEAPI
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#define STARTF_USESIZE 2
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#define STARTF_USEPOSITION 4
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#define INTERNAL_CALL NTAPI
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#define NT_BUILD_ENVIRONMENT
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#include <stdarg.h>
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#include <windef.h>
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#include <winerror.h>
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#include <wingdi.h>
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#include <winddi.h>
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#include <prntfont.h>
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#include <dde.h>
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/* DXG treats this as opaque */
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typedef PVOID PDC;
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typedef PVOID PW32THREAD;
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typedef struct _DD_BASEOBJECT
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{
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HGDIOBJ hHmgr;
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ULONG ulShareCount;
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USHORT cExclusiveLock;
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USHORT BaseFlags;
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PW32THREAD Tid;
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} DD_BASEOBJECT, *PDD_BASEOBJECT;
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#include <drivers/directx/directxint.h>
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#include <drivers/directx/dxg.h>
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#include <drivers/directx/dxeng.h>
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#include "tags.h"
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#define ObjType_DDSURFACE_TYPE 2
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#define ObjType_DDVIDEOPORT_TYPE 4
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#define ObjType_DDMOTIONCOMP_TYPE 5
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typedef struct _DD_ENTRY
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{
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union
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{
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PDD_BASEOBJECT pobj;
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HANDLE hFree;
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};
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union
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{
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ULONG ulObj;
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struct
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{
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USHORT Count;
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USHORT Lock;
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HANDLE Pid;
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};
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} ObjectOwner;
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USHORT FullUnique;
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UCHAR Objt;
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UCHAR Flags;
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PVOID pUser;
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} DD_ENTRY, *PDD_ENTRY;
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typedef struct _EDD_SURFACE_LOCAL
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{
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DD_BASEOBJECT Object;
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DD_SURFACE_LOCAL Surfacelcl;
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} EDD_SURFACE_LOCAL, *PEDD_SURFACE_LOCAL;
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/* exported functions */
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NTSTATUS NTAPI DriverEntry(IN PVOID Context1, IN PVOID Context2);
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NTSTATUS NTAPI GsDriverEntry(IN PVOID Context1, IN PVOID Context2);
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NTSTATUS APIENTRY DxDdCleanupDxGraphics(VOID);
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/* Global pointers */
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extern ULONG gcSizeDdHmgr;
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extern PDD_ENTRY gpentDdHmgr;
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extern ULONG gcMaxDdHmgr;
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extern PDD_ENTRY gpentDdHmgrLast;
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extern HANDLE ghFreeDdHmgr;
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extern HSEMAPHORE ghsemHmgr;
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extern LONG gcDummyPageRefCnt;
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extern HSEMAPHORE ghsemDummyPage;
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extern VOID *gpDummyPage;
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extern PEPROCESS gpepSession;
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extern PLARGE_INTEGER gpLockShortDelay;
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/* Driver list export functions */
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DWORD NTAPI DxDxgGenericThunk(ULONG_PTR ulIndex, ULONG_PTR ulHandle, SIZE_T *pdwSizeOfPtr1, PVOID pvPtr1, SIZE_T *pdwSizeOfPtr2, PVOID pvPtr2);
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DWORD NTAPI DxDdIoctl(ULONG ulIoctl, PVOID pBuffer, ULONG ulBufferSize);
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PDD_SURFACE_LOCAL NTAPI DxDdLockDirectDrawSurface(HANDLE hDdSurface);
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BOOL NTAPI DxDdUnlockDirectDrawSurface(PDD_SURFACE_LOCAL pSurface);
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/* Internal functions */
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BOOL FASTCALL VerifyObjectOwner(PDD_ENTRY pEntry);
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BOOL FASTCALL DdHmgCreate(VOID);
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BOOL FASTCALL DdHmgDestroy(VOID);
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PVOID FASTCALL DdHmgLock(HANDLE DdHandle, UCHAR ObjectType, BOOLEAN LockOwned);
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/* define stuff */
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#define drvDxEngLockDC gpEngFuncs[DXENG_INDEX_DxEngLockDC]
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#define drvDxEngGetDCState gpEngFuncs[DXENG_INDEX_DxEngGetDCState]
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#define drvDxEngGetHdevData gpEngFuncs[DXENG_INDEX_DxEngGetHdevData]
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#define drvDxEngUnlockDC gpEngFuncs[DXENG_INDEX_DxEngUnlockDC]
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#define drvDxEngUnlockHdev gpEngFuncs[DXENG_INDEX_DxEngUnlockHdev]
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#define drvDxEngLockHdev gpEngFuncs[DXENG_INDEX_DxEngLockHdev]
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