win32ss/reactx/dxg/dxg_int.h

   1 #include <ntifs.h>
   2
   3 /* Win32 Headers */
   4 #define WINBASEAPI
   5 #define STARTF_USESIZE 2
   6 #define STARTF_USEPOSITION 4
   7 #define INTERNAL_CALL NTAPI
   8 #define NT_BUILD_ENVIRONMENT
   9
  10 #include <windef.h>
  11 #include <winerror.h>
  12 #include <wingdi.h>
  13 #include <winddi.h>
  14
  15 /* DXG treats this as opaque */
  16 typedef PVOID PDC;
  17 typedef PVOID PW32THREAD;
  18
  19 typedef struct _DD_BASEOBJECT
  20 {
  21   HGDIOBJ     hHmgr;
  22   ULONG       ulShareCount;
  23   USHORT      cExclusiveLock;
  24   USHORT      BaseFlags;
  25   PW32THREAD  Tid;
  26 } DD_BASEOBJECT, *PDD_BASEOBJECT;
  27
  28 #include <drivers/directx/directxint.h>
  29 #include <drivers/directx/dxg.h>
  30 #include <drivers/directx/dxeng.h>
  31
  32 #include "tags.h"
  33
  34 #define ObjType_DDSURFACE_TYPE    2
  35 #define ObjType_DDVIDEOPORT_TYPE  4
  36 #define ObjType_DDMOTIONCOMP_TYPE 5
  37
  38  typedef struct _DD_ENTRY
  39 {
  40     union
  41     {
  42         PDD_BASEOBJECT pobj;
  43         HANDLE hFree;
  44     };
  45     union
  46     {
  47          ULONG ulObj;
  48          struct
  49          {
  50                 USHORT Count;
  51                 USHORT Lock;
  52                 HANDLE Pid;
  53          };
  54     } ObjectOwner;
  55     USHORT FullUnique;
  56     UCHAR Objt;
  57     UCHAR Flags;
  58     PVOID pUser;
  59 } DD_ENTRY, *PDD_ENTRY;
  60
  61 typedef struct _EDD_SURFACE_LOCAL
  62 {
  63      DD_BASEOBJECT Object;
  64      DD_SURFACE_LOCAL Surfacelcl;
  65 } EDD_SURFACE_LOCAL, *PEDD_SURFACE_LOCAL;
  66
  67 /* exported functions */
  68 NTSTATUS NTAPI DriverEntry(IN PVOID Context1, IN PVOID Context2);
  69 NTSTATUS NTAPI GsDriverEntry(IN PVOID Context1, IN PVOID Context2);
  70 NTSTATUS APIENTRY DxDdCleanupDxGraphics(VOID);
  71
  72 /* Global pointers */
  73 extern ULONG gcSizeDdHmgr;
  74 extern PDD_ENTRY gpentDdHmgr;
  75 extern ULONG gcMaxDdHmgr;
  76 extern PDD_ENTRY gpentDdHmgrLast;
  77 extern HANDLE ghFreeDdHmgr;
  78 extern HSEMAPHORE ghsemHmgr;
  79 extern LONG gcDummyPageRefCnt;
  80 extern HSEMAPHORE ghsemDummyPage;
  81 extern VOID *gpDummyPage;
  82 extern PEPROCESS gpepSession;
  83 extern PLARGE_INTEGER gpLockShortDelay;
  84
  85 /* Driver list export functions */
  86 DWORD NTAPI DxDxgGenericThunk(ULONG_PTR ulIndex, ULONG_PTR ulHandle, SIZE_T *pdwSizeOfPtr1, PVOID pvPtr1, SIZE_T *pdwSizeOfPtr2, PVOID pvPtr2);
  87 DWORD NTAPI DxDdIoctl(ULONG ulIoctl, PVOID pBuffer, ULONG ulBufferSize);
  88 PDD_SURFACE_LOCAL NTAPI DxDdLockDirectDrawSurface(HANDLE hDdSurface);
  89 BOOL NTAPI DxDdUnlockDirectDrawSurface(PDD_SURFACE_LOCAL pSurface);
  90
  91 /* Internal functions */
  92 BOOL FASTCALL VerifyObjectOwner(PDD_ENTRY pEntry);
  93 BOOL FASTCALL DdHmgCreate(VOID);
  94 BOOL FASTCALL DdHmgDestroy(VOID);
  95 PVOID FASTCALL DdHmgLock(HANDLE DdHandle, UCHAR ObjectType, BOOLEAN LockOwned);
  96
  97 /* define stuff */
  98 #define drvDxEngLockDC          gpEngFuncs[DXENG_INDEX_DxEngLockDC]
  99 #define drvDxEngGetDCState      gpEngFuncs[DXENG_INDEX_DxEngGetDCState]
 100 #define drvDxEngGetHdevData     gpEngFuncs[DXENG_INDEX_DxEngGetHdevData]
 101 #define drvDxEngUnlockDC        gpEngFuncs[DXENG_INDEX_DxEngUnlockDC]
 102 #define drvDxEngUnlockHdev      gpEngFuncs[DXENG_INDEX_DxEngUnlockHdev]
 103 #define drvDxEngLockHdev        gpEngFuncs[DXENG_INDEX_DxEngLockHdev]