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reactos/win32ss/reactx/dxg/ddraw.c

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: Native driver for dxg implementation
* FILE: win32ss/reactx/dxg/eng.c
* PROGRAMER: Magnus olsen (magnus@greatlord.com)
* Sebastian Gasiorek (sebastian.gasiorek@reactos.org)
* REVISION HISTORY:
* 30/12-2007 Magnus Olsen
*/
#include <dxg_int.h>
/*++
* @name intDdGetDriverInfo
* @implemented
*
* The function intDdGetDriverInfo is used internally in dxg.sys
* It retrieves driver information structures
*
* @param PEDD_DIRECTDRAW_GLOBAL peDdGl
* DirectDraw global structure
*
* @param GUID guid
* GUID of InfoData to read
*
* @param PVOID callbackStruct
* Callback structure pointer
*
* @param ULONG callbackSize
* Size of allocated callback structure
*
* @param ULONG *returnSize
* Desired structure size returned by driver
*
* @return
* Returns true on successful execution, false when error.
*
* @remarks.
* Only used internally in dxg.sys
*--*/
BOOL intDdGetDriverInfo(PEDD_DIRECTDRAW_GLOBAL peDdGl, GUID guid, PVOID callbackStruct, ULONG callbackSize, ULONG *returnSize)
{
DD_GETDRIVERINFODATA ddGetDriverInfoData;
if (peDdGl->ddHalInfo.dwFlags & DDHALINFO_GETDRIVERINFOSET && peDdGl->ddHalInfo.GetDriverInfo)
{
memset(&ddGetDriverInfoData, 0, sizeof(DD_GETDRIVERINFODATA));
ddGetDriverInfoData.dwSize = sizeof(DD_GETDRIVERINFODATA);
ddGetDriverInfoData.dhpdev = peDdGl->dhpdev;
memcpy(&ddGetDriverInfoData.guidInfo, &guid, sizeof(GUID));
ddGetDriverInfoData.dwExpectedSize = callbackSize;
ddGetDriverInfoData.lpvData = callbackStruct;
ddGetDriverInfoData.ddRVal = DDERR_CURRENTLYNOTAVAIL;
if (peDdGl->ddHalInfo.GetDriverInfo(&ddGetDriverInfoData) && !ddGetDriverInfoData.ddRVal)
{
if (returnSize)
*returnSize = ddGetDriverInfoData.dwActualSize;
return TRUE;
}
}
/* cleanup on error */
memset(callbackStruct, 0, callbackSize);
if (returnSize)
*returnSize = 0;
return FALSE;
}
/*++
* @name intDdGetAllDriverInfo
* @implemented
*
* The function intDdGetAllDriverInfo is used internally in dxg.sys
* It retrieves all possible driver information structures
*
* @param PEDD_DIRECTDRAW_GLOBAL peDdGl
* Pointer to destination DirectDrawGlobal structure
*
* @remarks.
* Only used internally in dxg.sys
* Missing some callbacks (VideoPort, DxApi, AGP)
*--*/
VOID intDdGetAllDriverInfo(PEDD_DIRECTDRAW_GLOBAL peDdGl)
{
if (peDdGl->ddHalInfo.GetDriverInfo && peDdGl->ddHalInfo.dwFlags & DDHALINFO_GETDRIVERINFOSET)
{
intDdGetDriverInfo(peDdGl, GUID_KernelCaps, &peDdGl->ddKernelCaps, sizeof(peDdGl->ddKernelCaps), 0);
intDdGetDriverInfo(peDdGl, GUID_KernelCallbacks, &peDdGl->ddKernelCallbacks, sizeof(peDdGl->ddKernelCallbacks), 0);
if (intDdGetDriverInfo(peDdGl, GUID_D3DCallbacks3, &peDdGl->d3dNtHalCallbacks3, sizeof(peDdGl->d3dNtHalCallbacks3), 0))
peDdGl->dwCallbackFlags |= EDDDGBL_D3DCALLBACKS3;
if (intDdGetDriverInfo(peDdGl, GUID_ColorControlCallbacks, &peDdGl->ddColorControlCallbacks, sizeof(peDdGl->ddColorControlCallbacks), 0))
peDdGl->dwCallbackFlags |= EDDDGBL_COLORCONTROLCALLBACKS;
if (intDdGetDriverInfo(peDdGl, GUID_MiscellaneousCallbacks, &peDdGl->ddMiscellanousCallbacks, sizeof(peDdGl->ddMiscellanousCallbacks), 0))
peDdGl->dwCallbackFlags |= EDDDGBL_MISCCALLBACKS;
if (intDdGetDriverInfo(peDdGl, GUID_Miscellaneous2Callbacks, &peDdGl->ddMiscellanous2Callbacks, sizeof(peDdGl->ddMiscellanous2Callbacks), 0))
peDdGl->dwCallbackFlags |= EDDDGBL_MISC2CALLBACKS;
if (intDdGetDriverInfo(peDdGl, GUID_NTCallbacks, &peDdGl->ddNtCallbacks, sizeof(peDdGl->ddNtCallbacks), 0) )
peDdGl->dwCallbackFlags |= EDDDGBL_NTCALLBACKS;
if (intDdGetDriverInfo(peDdGl, GUID_DDMoreCaps, &peDdGl->ddMoreCaps, sizeof(peDdGl->ddMoreCaps), 0) )
peDdGl->dwCallbackFlags |= EDDDGBL_DDMORECAPS;
if (intDdGetDriverInfo(peDdGl, GUID_NTPrivateDriverCaps, &peDdGl->ddNtPrivateDriverCaps, sizeof(peDdGl->ddNtPrivateDriverCaps), 0) )
peDdGl->dwCallbackFlags |= EDDDGBL_PRIVATEDRIVERCAPS;
if (intDdGetDriverInfo(peDdGl, GUID_MotionCompCallbacks, &peDdGl->ddMotionCompCallbacks, sizeof(peDdGl->ddMotionCompCallbacks), 0) )
peDdGl->dwCallbackFlags |= EDDDGBL_MOTIONCOMPCALLBACKS;
}
}
/*++
* @name intDdEnableDriver
* @implemented
*
* The function intDdEnableDriver is used internally in dxg.sys
* Fills in all EDD_DIRECTDRAW_GLOBAL structures and enables DirectDraw acceleration when possible
*
* @param PEDD_DIRECTDRAW_GLOBAL peDdGl
* Pointer to destination DirectDrawGlobal structure
*
* @remarks.
* Only used internally in dxg.sys
*--*/
VOID intDdEnableDriver(PEDD_DIRECTDRAW_GLOBAL peDdGl)
{
PDRIVER_FUNCTIONS DriverFunctions;
LPD3DNTHAL_GLOBALDRIVERDATA GlobalDriverData;
LPD3DNTHAL_CALLBACKS HalCallbacks;
PDD_D3DBUFCALLBACKS D3DBufCallbacks;
gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
DriverFunctions = (PDRIVER_FUNCTIONS)gpEngFuncs.DxEngGetHdevData(peDdGl->hDev, DxEGShDevData_DrvFuncs);
// check if driver has DirectDraw functions
if ((!DriverFunctions->GetDirectDrawInfo)||(!DriverFunctions->EnableDirectDraw)||(!DriverFunctions->DisableDirectDraw))
peDdGl->dhpdev = 0;
// reset acceleration flag
peDdGl->fl = peDdGl->fl & 0xFFFFFFFE;
// ask for structure sizes
if ((peDdGl->dhpdev)&&(DriverFunctions->GetDirectDrawInfo(peDdGl->dhpdev, &peDdGl->ddHalInfo, &peDdGl->dwNumHeaps, NULL, &peDdGl->dwNumFourCC, NULL)))
{
// allocate memory for DX data
if (peDdGl->dwNumHeaps)
peDdGl->pvmList = EngAllocMem(FL_ZERO_MEMORY, peDdGl->dwNumHeaps*sizeof(VIDEOMEMORY), TAG_GDDV);
if (peDdGl->dwNumFourCC)
peDdGl->pdwFourCC = EngAllocMem(FL_ZERO_MEMORY, peDdGl->dwNumFourCC * 4, TAG_GDDF);
// get data from driver
if (!DriverFunctions->GetDirectDrawInfo(peDdGl->dhpdev, &peDdGl->ddHalInfo, &peDdGl->dwNumHeaps, peDdGl->pvmList, &peDdGl->dwNumFourCC, peDdGl->pdwFourCC))
{
// failed - cleanup and exit
if (peDdGl->pvmList)
EngFreeMem(peDdGl->pvmList);
if (peDdGl->pdwFourCC)
EngFreeMem(peDdGl->pdwFourCC);
gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
return;
}
// check if we can enable DirectDraw acceleration
if ((peDdGl->ddHalInfo.vmiData.pvPrimary) &&
(DriverFunctions->EnableDirectDraw(peDdGl->dhpdev, &peDdGl->ddCallbacks, &peDdGl->ddSurfaceCallbacks, &peDdGl->ddPaletteCallbacks))&&
!(gpEngFuncs.DxEngGetHdevData(peDdGl->hDev, DxEGShDevData_dd_flags) & CapOver_DisableD3DAccel)&&
(peDdGl->ddHalInfo.dwSize == sizeof(DD_HALINFO)))
{
GlobalDriverData = peDdGl->ddHalInfo.lpD3DGlobalDriverData;
HalCallbacks = peDdGl->ddHalInfo.lpD3DHALCallbacks;
D3DBufCallbacks = peDdGl->ddHalInfo.lpD3DHALCallbacks;
if (GlobalDriverData && GlobalDriverData->dwSize == sizeof(D3DNTHAL_GLOBALDRIVERDATA))
memcpy(&peDdGl->d3dNtGlobalDriverData, GlobalDriverData, sizeof(D3DNTHAL_GLOBALDRIVERDATA));
if (HalCallbacks && HalCallbacks->dwSize == sizeof(D3DNTHAL_CALLBACKS))
memcpy(&peDdGl->d3dNtHalCallbacks, HalCallbacks, sizeof(D3DNTHAL_CALLBACKS));
if (D3DBufCallbacks && D3DBufCallbacks->dwSize == sizeof(DD_D3DBUFCALLBACKS))
memcpy(&peDdGl->d3dBufCallbacks, D3DBufCallbacks, sizeof(DD_D3DBUFCALLBACKS));
intDdGetAllDriverInfo(peDdGl);
// enable DirectDraw acceleration
peDdGl->fl |= 1;
}
else
{
// failed - cleanup and exit
if (peDdGl->pvmList)
EngFreeMem(peDdGl->pvmList);
if (peDdGl->pdwFourCC)
EngFreeMem(peDdGl->pdwFourCC);
}
}
gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
}
PVOID
FASTCALL
intDdCreateDirectDrawLocal(HDEV hDev)
{
PEDD_DIRECTDRAW_GLOBAL peDdGl = NULL;
PEDD_DIRECTDRAW_LOCAL peDdL = NULL;
PDD_ENTRY AllocRet;
peDdGl = (PEDD_DIRECTDRAW_GLOBAL)gpEngFuncs.DxEngGetHdevData(hDev, DxEGShDevData_eddg);
AllocRet = DdHmgAlloc(sizeof(EDD_DIRECTDRAW_LOCAL), ObjType_DDLOCAL_TYPE, TRUE);
if (!AllocRet)
return NULL;
peDdL = (PEDD_DIRECTDRAW_LOCAL)AllocRet->pobj;
/* initialize DIRECTDRAW_LOCAL */
peDdL->peDirectDrawLocal_prev = peDdGl->peDirectDrawLocalList;
peDdL->hCreatorProcess = PsGetCurrentThreadProcessId();
peDdL->Process = PsGetCurrentProcess();
// link DirectDrawGlobal and DirectDrawLocal
peDdGl->peDirectDrawLocalList = peDdL;
peDdL->peDirectDrawGlobal = peDdGl;
peDdL->peDirectDrawGlobal2 = peDdGl;
gpEngFuncs.DxEngReferenceHdev(hDev);
InterlockedDecrement((VOID*)&peDdL->pobj.cExclusiveLock);
return peDdL->pobj.hHmgr;
}
/*++
* @name DxDdCreateDirectDrawObject
* @implemented
*
* Function creates new DirectDraw object
*
* @param HDC hDC
* Device context handle
*
* @return
* Newly created DirectDraw object handle.
*
* @remarks.
* Missing all AGP stuff
*--*/
DWORD
NTAPI
DxDdCreateDirectDrawObject(
HDC hDC)
{
PDC pDC = NULL;
HDEV hDev = NULL;
DWORD retVal = 0;
pDC = gpEngFuncs.DxEngLockDC(hDC);
if (!pDC)
return 0;
// get driver hDev from DC
hDev = (HDEV)gpEngFuncs.DxEngGetDCState(hDC, 3);
if (!hDev) {
gpEngFuncs.DxEngUnlockDC(pDC);
return 0;
}
// is this primary display?
if (!gpEngFuncs.DxEngGetHdevData(hDev, DxEGShDevData_display))
{
gpEngFuncs.DxEngUnlockDC(pDC);
return 0;
}
gpEngFuncs.DxEngLockHdev(hDev);
// create object only for 8BPP and more
if (gpEngFuncs.DxEngGetHdevData(hDev, DxEGShDevData_DitherFmt) >= BMF_8BPP)
retVal = (DWORD)intDdCreateDirectDrawLocal(hDev);
gpEngFuncs.DxEngUnlockHdev(hDev);
gpEngFuncs.DxEngUnlockDC(pDC);
return retVal;
}
/*++
* @name DxDdGetDriverInfo
* @implemented
*
* Function queries the driver for DirectDraw and Direct3D functionality
*
* @param HANDLE DdHandle
* Handle to DirectDraw object
*
* @param PDD_GETDRIVERINFODATA drvInfoData
* Pointer to in/out driver info data structure
*--*/
DWORD
NTAPI
DxDdGetDriverInfo(HANDLE DdHandle, PDD_GETDRIVERINFODATA drvInfoData)
{
PEDD_DIRECTDRAW_LOCAL peDdL;
PEDD_DIRECTDRAW_GLOBAL peDdGl;
PVOID pInfo = NULL;
DWORD dwInfoSize = 0;
BYTE callbackStruct[1024];
DWORD RetVal = FALSE;
peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(DdHandle, ObjType_DDLOCAL_TYPE, FALSE);
if (!peDdL)
return RetVal;
peDdGl = peDdL->peDirectDrawGlobal2;
// check VideoPort related callbacks
if (peDdGl->dwCallbackFlags & EDDDGBL_VIDEOPORTCALLBACKS)
{
if (InlineIsEqualGUID(&drvInfoData->guidInfo, &GUID_VideoPortCallbacks))
{
dwInfoSize = sizeof(DD_VIDEOPORTCALLBACKS);
pInfo = (VOID*)&peDdGl->ddVideoPortCallback;
}
if (InlineIsEqualGUID(&drvInfoData->guidInfo, &GUID_VideoPortCaps))
{
pInfo = (VOID*)peDdGl->lpDDVideoPortCaps;
dwInfoSize = 72 * peDdGl->ddHalInfo.ddCaps.dwMaxVideoPorts;
}
if (InlineIsEqualGUID(&drvInfoData->guidInfo, &GUID_D3DCallbacks3))
{
dwInfoSize = sizeof(D3DNTHAL_CALLBACKS3);
pInfo = (VOID*)&peDdGl->d3dNtHalCallbacks3;
}
}
// check ColorControl related callbacks
if (peDdGl->dwCallbackFlags & EDDDGBL_COLORCONTROLCALLBACKS)
{
if (InlineIsEqualGUID(&drvInfoData->guidInfo, &GUID_ColorControlCallbacks))
{
dwInfoSize = sizeof(DD_COLORCONTROLCALLBACKS);
pInfo = (VOID*)&peDdGl->ddColorControlCallbacks;
}
if (InlineIsEqualGUID(&drvInfoData->guidInfo, &GUID_NTCallbacks))
{
dwInfoSize = sizeof(DD_NTCALLBACKS);
pInfo = (VOID*)&peDdGl->ddNtCallbacks;
}
}
// check Miscellaneous callbacks
if (peDdGl->dwCallbackFlags & EDDDGBL_MISCCALLBACKS)
{
if (InlineIsEqualGUID(&drvInfoData->guidInfo, &GUID_MiscellaneousCallbacks))
{
dwInfoSize = sizeof(DD_MISCELLANEOUSCALLBACKS);
pInfo = (VOID*)&peDdGl->ddMiscellanousCallbacks;
}
if (InlineIsEqualGUID(&drvInfoData->guidInfo, &GUID_DDMoreCaps))
{
dwInfoSize = sizeof(DD_MORECAPS);
pInfo = &peDdGl->ddMoreCaps;
}
}
if (peDdGl->dwCallbackFlags & EDDDGBL_MISC2CALLBACKS &&
InlineIsEqualGUID(&drvInfoData->guidInfo, &GUID_Miscellaneous2Callbacks))
{
dwInfoSize = sizeof(DD_MISCELLANEOUS2CALLBACKS);
pInfo = (VOID*)&peDdGl->ddMiscellanous2Callbacks;
}
if (peDdGl->dwCallbackFlags & EDDDGBL_MOTIONCOMPCALLBACKS &&
InlineIsEqualGUID(&drvInfoData->guidInfo, &GUID_MotionCompCallbacks))
{
dwInfoSize = sizeof(DD_MOTIONCOMPCALLBACKS);
pInfo = (VOID*)&peDdGl->ddMotionCompCallbacks;
}
if (InlineIsEqualGUID(&drvInfoData->guidInfo, &GUID_KernelCaps) )
{
dwInfoSize = sizeof(DD_KERNELCALLBACKS);
pInfo = &peDdGl->ddKernelCaps;
}
if (InlineIsEqualGUID(&drvInfoData->guidInfo, &GUID_DDMoreSurfaceCaps))
{
dwInfoSize = sizeof(DDMORESURFACECAPS);
pInfo = &peDdGl->ddMoreSurfaceCaps;
}
if (dwInfoSize && pInfo)
{
gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
intDdGetDriverInfo(peDdGl, drvInfoData->guidInfo, &callbackStruct, dwInfoSize, &dwInfoSize);
gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
memcpy(drvInfoData->lpvData, callbackStruct, dwInfoSize);
}
InterlockedDecrement((VOID*)&peDdL->pobj.cExclusiveLock);
return TRUE;
}
/*++
* @name DxDdQueryDirectDrawObject
* @implemented
*
* Function queries the DirectDraw object for its functionality
*
* @return
* TRUE on success.
*--*/
BOOL
NTAPI
DxDdQueryDirectDrawObject(
HANDLE DdHandle,
DD_HALINFO* pDdHalInfo,
DWORD* pCallBackFlags,
LPD3DNTHAL_CALLBACKS pd3dNtHalCallbacks,
LPD3DNTHAL_GLOBALDRIVERDATA pd3dNtGlobalDriverData,
PDD_D3DBUFCALLBACKS pd3dBufCallbacks,
LPDDSURFACEDESC pTextureFormats,
DWORD* p8,
VIDEOMEMORY* p9,
DWORD* pdwNumFourCC,
DWORD* pdwFourCC)
{
PEDD_DIRECTDRAW_LOCAL peDdL;
PEDD_DIRECTDRAW_GLOBAL peDdGl;
BOOL RetVal = FALSE;
if (!DdHandle)
return RetVal;
if (!pDdHalInfo)
return RetVal;
if (!gpEngFuncs.DxEngScreenAccessCheck())
return RetVal;
peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(DdHandle, ObjType_DDLOCAL_TYPE, FALSE);
if (peDdL)
{
peDdGl = peDdL->peDirectDrawGlobal2;
gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
memcpy(pDdHalInfo, &peDdGl->ddHalInfo, sizeof(DD_HALINFO));
if (pCallBackFlags)
{
*(DWORD*)pCallBackFlags = peDdGl->ddCallbacks.dwFlags;
*(DWORD*)((ULONG)pCallBackFlags + 4) = peDdGl->ddSurfaceCallbacks.dwFlags;
*(DWORD*)((ULONG)pCallBackFlags + 8) = peDdGl->ddPaletteCallbacks.dwFlags;
}
if (pd3dNtHalCallbacks)
memcpy(pd3dNtHalCallbacks, &peDdGl->d3dNtHalCallbacks, sizeof(peDdGl->d3dNtHalCallbacks));
if (pd3dNtGlobalDriverData)
memcpy(pd3dNtGlobalDriverData, &peDdGl->d3dNtGlobalDriverData, sizeof(peDdGl->d3dNtGlobalDriverData));
if (pd3dBufCallbacks)
memcpy(pd3dBufCallbacks, &peDdGl->d3dBufCallbacks, sizeof(peDdGl->d3dBufCallbacks));
if (pTextureFormats)
memcpy(pTextureFormats, &peDdGl->d3dNtGlobalDriverData.lpTextureFormats, peDdGl->d3dNtGlobalDriverData.dwNumTextureFormats * sizeof(DDSURFACEDESC2));
if (pdwNumFourCC)
*pdwNumFourCC = peDdGl->dwNumFourCC;
if (pdwFourCC)
memcpy(pdwFourCC, &peDdGl->pdwFourCC, 4 * peDdGl->dwNumFourCC);
RetVal = TRUE;
gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
InterlockedDecrement((VOID*)&peDdL->pobj.cExclusiveLock);
}
return RetVal;
}
/*++
* @name DxDdEnableDirectDraw
* @implemented
*
* Function enables DirectDraw
*
* @param PEDD_DIRECTDRAW_GLOBAL peDdGl
* Pointer to destination DirectDrawGlobal structure
*--*/
BOOL
NTAPI
DxDdEnableDirectDraw(HANDLE hDev, BOOL arg2/*What for?*/)
{
PEDD_DIRECTDRAW_GLOBAL peDdGl = NULL;
if (gpEngFuncs.DxEngGetHdevData(hDev, DxEGShDevData_display))
{
peDdGl = (PEDD_DIRECTDRAW_GLOBAL)gpEngFuncs.DxEngGetHdevData(hDev, DxEGShDevData_eddg);
peDdGl->hDev = hDev;
peDdGl->bSuspended = FALSE;
peDdGl->dhpdev = (PVOID)gpEngFuncs.DxEngGetHdevData(hDev, DxEGShDevData_dhpdev);
intDdEnableDriver(peDdGl);
return TRUE;
}
return FALSE;
}
/*++
* @name DxDdReenableDirectDrawObject
* @implemented
*
* Function re-enables DirectDraw object after mode switch
*
* @param HANDLE DdHandle
* DirectDraw object handle
*
* @param PVOID p2
* ???
*
* @return
* TRUE on success.
*
* @remarks
* Missing all AGP stuff and second parameter handling
*--*/
DWORD
NTAPI
DxDdReenableDirectDrawObject(
HANDLE DdHandle,
PVOID p2)
{
PEDD_DIRECTDRAW_LOCAL peDdL;
PEDD_DIRECTDRAW_GLOBAL peDdGl;
HDC hDC;
DWORD RetVal = FALSE;
peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(DdHandle, ObjType_DDLOCAL_TYPE, FALSE);
if (!peDdL)
return RetVal;
peDdGl = peDdL->peDirectDrawGlobal2;
hDC = gpEngFuncs.DxEngGetDesktopDC(0, FALSE, FALSE);
gpEngFuncs.DxEngLockShareSem();
gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
if (peDdGl->fl & 1 &&
gpEngFuncs.DxEngGetDCState(hDC, 2) != 1 &&
!(gpEngFuncs.DxEngGetHdevData(peDdGl->hDev, DxEGShDevData_OpenRefs)) &&
!(gpEngFuncs.DxEngGetHdevData(peDdGl->hDev, DxEGShDevData_disable)) &&
!(gpEngFuncs.DxEngGetHdevData(peDdGl->hDev, DxEGShDevData_dd_nCount)) &&
gpEngFuncs.DxEngGetHdevData(peDdGl->hDev, DxEGShDevData_DitherFmt) >= BMF_8BPP)
{
// reset acceleration and suspend flags
peDdGl->fl &= 0xFFFFFFFD;
peDdGl->bSuspended = 0;
peDdGl->dhpdev = (PVOID)gpEngFuncs.DxEngGetHdevData(peDdGl->hDev, DxEGShDevData_dhpdev);
RetVal = TRUE;
// FIXME AGP Stuff
}
gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
gpEngFuncs.DxEngUnlockShareSem();
InterlockedDecrement((VOID*)&peDdL->pobj.cExclusiveLock);
return RetVal;
}
PEDD_SURFACE
NTAPI
intDdCreateNewSurfaceObject(PEDD_DIRECTDRAW_LOCAL peDdL, HANDLE hDirectDrawLocal, PDD_SURFACE_GLOBAL pDdSurfGlob, PDD_SURFACE_LOCAL pDdSurfLoc, PDD_SURFACE_MORE pDdSurfMore)
{
PEDD_SURFACE pSurface = NULL;
// first check if we can assign it from current ddHandle
if (hDirectDrawLocal)
{
pSurface = (PEDD_SURFACE)DdHmgLock(hDirectDrawLocal, ObjType_DDSURFACE_TYPE, FALSE);
// check if surface is locked and belongs to correct DirectDrawLocal
if ((pSurface)&&((pSurface->peDirectDrawLocal != peDdL)||(!pSurface->hSecure)))
{
InterlockedDecrement((VOID*)&peDdL->pobj.cExclusiveLock);
return NULL;
}
}
// if surface not found from ddHandle or ddHandle not provided
if (!pSurface)
{
// create new surface object
pSurface = (PEDD_SURFACE)DdHmgAlloc(sizeof(EDD_SURFACE), ObjType_DDSURFACE_TYPE, TRUE);
if (pSurface)
{
pSurface->ddsSurfaceLocal.lpGbl = &pSurface->ddsSurfaceGlobal;
pSurface->ddsSurfaceLocal.lpSurfMore = &pSurface->ddsSurfaceMore;
pSurface->ddsSurfaceInt.lpLcl = &pSurface->ddsSurfaceLocal;
pSurface->peDirectDrawLocal = peDdL;
pSurface->peDirectDrawGlobalNext = peDdL->peDirectDrawGlobal2;
pSurface->ldev = gpEngFuncs.DxEngGetHdevData(pSurface->peDirectDrawGlobalNext->hDev, DxEGShDevData_ldev);
pSurface->gdev = gpEngFuncs.DxEngGetHdevData(pSurface->peDirectDrawGlobalNext->hDev, DxEGShDevData_GDev);
pSurface->hSecure = (VOID*)1;
}
}
if (pSurface)
{
pSurface->ddsSurfaceGlobal.fpVidMem = pDdSurfGlob->fpVidMem;
pSurface->ddsSurfaceGlobal.lPitch = pDdSurfGlob->lPitch;
pSurface->ddsSurfaceGlobal.wWidth = pDdSurfGlob->wWidth;
pSurface->ddsSurfaceGlobal.wHeight = pDdSurfGlob->wHeight;
pSurface->wWidth = pDdSurfGlob->wWidth;
pSurface->wHeight = pDdSurfGlob->wHeight;
memcpy(&pSurface->ddsSurfaceGlobal.ddpfSurface, &pDdSurfGlob->ddpfSurface, sizeof(pSurface->ddsSurfaceGlobal.ddpfSurface));
pSurface->ddsSurfaceLocal.ddsCaps.dwCaps = pDdSurfLoc->ddsCaps.dwCaps;
pSurface->ddsSurfaceMore.ddsCapsEx.dwCaps2 = pDdSurfMore->ddsCapsEx.dwCaps2;
pSurface->ddsSurfaceMore.ddsCapsEx.dwCaps3 = pDdSurfMore->ddsCapsEx.dwCaps3;
pSurface->ddsSurfaceMore.ddsCapsEx.dwCaps4 = pDdSurfMore->ddsCapsEx.dwCaps4;
pSurface->ddsSurfaceMore.dwSurfaceHandle = pDdSurfMore->dwSurfaceHandle;
pSurface->hSecure = (VOID*)1;
peDdL->peSurface_DdList = pSurface;
peDdL->hSurface = (ULONG)pSurface->pobj.hHmgr;
}
return pSurface;
}
HANDLE
NTAPI
DxDdCreateSurfaceObject(HANDLE hDirectDrawLocal,
HANDLE hSurface,
PDD_SURFACE_LOCAL puSurfaceLocal,
PDD_SURFACE_MORE puSurfaceMore,
PDD_SURFACE_GLOBAL puSurfaceGlobal,
BOOL bComplete)
{
HANDLE RetVal = FALSE;
PEDD_DIRECTDRAW_LOCAL peDdL = NULL;
PEDD_SURFACE pDdSurface = NULL;
peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(hDirectDrawLocal, ObjType_DDLOCAL_TYPE, FALSE);
if (!peDdL)
return RetVal;
pDdSurface = intDdCreateNewSurfaceObject(peDdL, hSurface, puSurfaceGlobal, puSurfaceLocal, puSurfaceMore);
if (!pDdSurface)
{
InterlockedDecrement((VOID*)&peDdL->pobj.cExclusiveLock);
return RetVal;
}
RetVal = pDdSurface->pobj.hHmgr;
InterlockedDecrement((VOID*)&pDdSurface->pobj.cExclusiveLock);
InterlockedDecrement((VOID*)&peDdL->pobj.cExclusiveLock);
return RetVal;
}
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