Leaked source code of windows server 2003
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/*==========================================================================
* Copyright (C) 1994-1995 Microsoft Corporation. All Rights Reserved.
*
* File: ddsiunk.c
* Content: DirectDraw surface IUnknown interface
* Implements QueryInterface, AddRef, and Release
* History:
* Date By Reason
* ==== == ======
* 12-mar-95 craige split out of ddsurf.c; enhanced
* 19-mar-95 craige use HRESULTs
* 28-mar-95 craige use GETCURRPID
* 01-apr-95 craige happy fun joy updated header file
* 07-apr-95 craige bug 14 - check GUID ptr in QI
* 09-apr-95 craige release Win16Lock
* 06-may-95 craige use driver-level csects only
* 12-may-95 craige check for real guids in QI
* 19-may-95 craige free surface memory at the right time
* 23-may-95 craige no longer use MapLS_Pool
* 24-may-95 kylej add dirty rect when emulated overlay is released
* 02-jun-95 craige redraw primary whenever a process does last release
* 12-jun-95 craige new process list stuff
* 16-jun-95 craige new surface structure
* 18-jun-95 craige allow duplicate surfaces; creation of new interfaces
* 20-jun-95 craige need to check fpVidMemOrig for deciding to flip
* 21-jun-95 craige new streaming interface; work around compiler bug
* 25-jun-95 craige one ddraw mutex
* 26-jun-95 craige reorganized surface structure
* 28-jun-95 craige ENTER_DDRAW at very start of fns; hide overlays
* when destroyed if they're still visible
* 30-jun-95 kylej don't free primary surface vidmem
* 01-jul-95 craige removed streaming & composition stuff
* 02-jul-95 craige fleshed out NewSurfaceInterface
* 04-jul-95 craige YEEHAW: new driver struct; SEH
* 08-jul-95 craige track invalid vs free
* 19-jul-95 craige need to allow AddRef of lost surfaces
* 17-aug-95 craige bug 557 - always turn off primay ptr in ddraw object
* 05-sep-95 craige bug 902: only remove locks if lclrefcnt hits zero
* 10-sep-95 craige bug 828: random vidmem heap free
* 19-sep-95 craige bug 1205: free first vidmem destroyed
* 10-nov-95 colinmc support for shared, AddRef'd palettes
* 23-nov-95 colinmc now supports aggregatable Direct3D textures and
* devices
* 09-dec-95 colinmc added execute buffer support
* 17-dec-95 colinmc added shared back and z buffer support
* 22-dec-95 colinmc Direct3D support no longer conditional
* 02-jan-96 kylej Handle new interface structs.
* 10-jan-96 colinmc aggregated IUnknowns now maintained as a list
* 13-jan-96 colinmc temporary hack to workround problem with Direct3D
* cleanup
* 26-jan-96 jeffno NT kernel object cleanup, FlipToGDISurface only 1 arg
* 29-jan-96 colinmc Aggregated IUnknowns now contained in additional
* surface local data structure
* 08-feb-96 colinmc New D3D interface
* 09-feb-96 colinmc Surface invalid flag moved from global to local
* object
* 13-mar-96 colinmc Added IID validation to QueryInterface
* 16-mar-96 colinmc Fixed palette release problem (bug 13512)
* 20-mar-96 colinmc Bug 13634: unidirectional attachments cause infinite
* loop on cleanup
* 23-mar-96 colinmc Bug 12252: Direct3D not cleaned up properly on
* application termination
* 24-mar-96 colinmc Bug 14321: not possible to specify back buffer and
* mip-map count in a single call
* 09-apr-96 colinmc Bug 16370: QueryInterface can fail with multiple
* DirectDraw objects per process
* 13-apr-96 colinmc Bug 17736: No notification to driver of flip to GDI
* surface
* 16-apr-96 kylej Bug 18103: Apps which use overlays can fault in
* ProcessSurfaceCleanup
* 29-apr-96 colinmc Bug 19954: Must query for Direct3D before textures
* devices
* 05-jul-96 colinmc Work Item: Remove requirement on taking Win16 lock
* for VRAM surfaces (not primary)
* 13-jan-97 jvanaken Basic support for IDirectDrawSurface3 interface
* 29-jan-97 smac Update video port struct when surface is released
* 22-feb-97 colinmc Enabled OWNDC for explicit system memory surfaces
* 03-mar-97 smac Added kernel mode interface
* 08-mar-97 colinmc Added function to allow surface pointer to be
* overridden
* 10-mar-97 smac Fixed bug 5211 by hiding overlays in DestroySurface
* 11-mar-97 jeffno Asynchronous DMA support
* 31-oct-97 johnstep Persistent-content surfaces for Windows 9x
* 05-nov-97 jvanaken Support for master sprite list in SetSpriteDisplayList
*
***************************************************************************/
#include "ddrawpr.h"
#ifdef WINNT
#include "ddrawgdi.h"
#endif
// function in ddsprite.c to remove invalid surface from master sprite list
extern void RemoveSpriteSurface(LPDDRAWI_DIRECTDRAW_GBL, LPDDRAWI_DDRAWSURFACE_INT);
#ifdef REFTRACKING
void AddRefTrack(LPVOID * p)
{
LPDDRAWI_DDRAWSURFACE_INT pInt = (LPDDRAWI_DDRAWSURFACE_INT) *p;
LPDDRAWI_REFTRACKNODE pNode;
pInt->RefTrack.pLastAddref = *(p-1); //This pulls the return address off the stack
//Now store this addref in the linked list of addrefs/releases
//Step 1: Search for previously existing addref/release with this ret address
pNode = pInt->RefTrack.pHead;
while (pNode)
{
if ( pNode->pReturnAddress == *(p-1) )
{
break;
}
pNode = pNode->pNext;
}
if (!pNode)
{
pNode = (LPDDRAWI_REFTRACKNODE) MemAlloc(sizeof(DDRAWI_REFTRACKNODE));
pNode->pReturnAddress = *(p-1);
pNode->pNext = pInt->RefTrack.pHead;
pInt->RefTrack.pHead = pNode;
}
pNode->dwAddrefCount++;
}
void ReleaseTrack(LPVOID * p)
{
LPDDRAWI_DDRAWSURFACE_INT pInt = (LPDDRAWI_DDRAWSURFACE_INT) *p;
LPDDRAWI_REFTRACKNODE pNode;
pInt->RefTrack.pLastRelease = *(p-1); //This pulls the return address off the stack
//Now store this release in the linked list of addrefs/releases
//Step 1: Search for previously existing addref/release with this ret address
pNode = pInt->RefTrack.pHead;
while (pNode)
{
if ( pNode->pReturnAddress == *(p-1) )
{
break;
}
pNode = pNode->pNext;
}
if (!pNode)
{
pNode = (LPDDRAWI_REFTRACKNODE) MemAlloc(sizeof(DDRAWI_REFTRACKNODE));
pNode->pReturnAddress = *(p-1);
pNode->pNext = pInt->RefTrack.pHead;
pInt->RefTrack.pHead = pNode;
}
pNode->dwReleaseCount++;
}
void DumpRefTrack(LPVOID p)
{
LPDDRAWI_DDRAWSURFACE_INT pInt = (LPDDRAWI_DDRAWSURFACE_INT) p;
LPDDRAWI_REFTRACKNODE pNode;
char msg[100];
wsprintf(msg,"Interface %08x:\r\n LastAddRef:%08x\r\n Last Release:%08x\r\n",
pInt,
pInt->RefTrack.pLastAddref,
pInt->RefTrack.pLastRelease);
OutputDebugString(msg);
pNode = pInt->RefTrack.pHead;
while (pNode)
{
wsprintf(msg," Address %08x had %d Addrefs and %d Releases\r\n",
pNode->pReturnAddress,
pNode->dwAddrefCount,
pNode->dwReleaseCount);
OutputDebugString(msg);
pNode = pNode->pNext;
}
}
#endif //REFTRACKING
/*
* FindIUnknown
*
* Locate an aggredate IUnknown with the given IID (or NULL if no such
* interface exists).
*/
static IUnknown FAR *FindIUnknown(LPDDRAWI_DDRAWSURFACE_LCL pThisLCL, REFIID riid)
{
LPIUNKNOWN_LIST lpIUnknownNode;
lpIUnknownNode = pThisLCL->lpSurfMore->lpIUnknowns;
while( lpIUnknownNode != NULL )
{
if( IsEqualIID( riid, lpIUnknownNode->lpGuid ) )
return lpIUnknownNode->lpIUnknown;
lpIUnknownNode = lpIUnknownNode->lpLink;
}
return NULL;
}
/*
* InsertIUnknown
*
* Insert a new IUnknown with its associated IID into the IUnknown list of the
* given surface.
*/
static LPIUNKNOWN_LIST InsertIUnknown(
LPDDRAWI_DDRAWSURFACE_LCL pThisLCL,
REFIID riid,
IUnknown FAR *lpIUnknown)
{
LPIUNKNOWN_LIST lpIUnknownNode;
DPF( 4, "Adding aggregated IUnknown %x", lpIUnknown );
lpIUnknownNode = ( LPIUNKNOWN_LIST ) MemAlloc( sizeof( IUNKNOWN_LIST ) );
if( lpIUnknownNode == NULL )
return NULL;
lpIUnknownNode->lpGuid = ( GUID FAR * ) MemAlloc( sizeof( GUID ) );
if( lpIUnknownNode->lpGuid == NULL )
{
MemFree( lpIUnknownNode );
return NULL;
}
memcpy( lpIUnknownNode->lpGuid, riid, sizeof( GUID ) );
lpIUnknownNode->lpLink = pThisLCL->lpSurfMore->lpIUnknowns;
lpIUnknownNode->lpIUnknown = lpIUnknown;
pThisLCL->lpSurfMore->lpIUnknowns = lpIUnknownNode;
return lpIUnknownNode;
}
/*
* FreeIUnknowns
*
* Free all the nodes in the IUnknown list of the given local
* surface object and NULL out the object's IUnknown list. If
* fRelease is TRUE then release will be called on the IUnknown
* interfaces.
*/
static void FreeIUnknowns( LPDDRAWI_DDRAWSURFACE_LCL pThisLCL, BOOL fRelease )
{
LPIUNKNOWN_LIST lpIUnknownNode;
LPIUNKNOWN_LIST lpLink;
lpIUnknownNode = pThisLCL->lpSurfMore->lpIUnknowns;
while( lpIUnknownNode != NULL )
{
lpLink = lpIUnknownNode->lpLink;
if( fRelease )
{
DPF( 4, "Releasing aggregated IUnknown %x", lpIUnknownNode->lpIUnknown );
lpIUnknownNode->lpIUnknown->lpVtbl->Release( lpIUnknownNode->lpIUnknown );
}
MemFree( lpIUnknownNode->lpGuid );
MemFree( lpIUnknownNode );
lpIUnknownNode = lpLink;
}
pThisLCL->lpSurfMore->lpIUnknowns = NULL;
}
/*
* NewSurfaceLocal
*
* Construct a new surface local object.
*/
//Note: lpVtbl doesnt, seem to be used
LPDDRAWI_DDRAWSURFACE_LCL NewSurfaceLocal( LPDDRAWI_DDRAWSURFACE_LCL this_lcl, LPVOID lpvtbl )
{
LPDDRAWI_DDRAWSURFACE_LCL pnew_lcl;
DWORD surf_size_lcl;
DWORD surf_size;
LPDDRAWI_DIRECTDRAW_GBL pdrv;
/*
* NOTE: This single allocation can allocate space for local surface
* structure (DDRAWI_DDRAWSURFACE_LCL) and the additional local surface
* structure (DDRAWI_DDRAWSURFACE_MORE). As the local object can be
* variable sized this can get pretty complex. The layout of the
* various objects in the allocation is as follows:
*
* +-----------------+---------------+
* | SURFACE_LCL | SURFACE_MORE |
* | (variable) | |
* +-----------------+---------------+
* <- surf_size_lcl ->
* <- surf_size --------------------->
*/
if( this_lcl->dwFlags & DDRAWISURF_HASOVERLAYDATA )
{
DPF( 4, "OVERLAY DATA SPACE" );
surf_size_lcl = sizeof( DDRAWI_DDRAWSURFACE_LCL );
}
else
{
surf_size_lcl = offsetof( DDRAWI_DDRAWSURFACE_LCL, ddckCKSrcOverlay );
}
surf_size = surf_size_lcl + sizeof( DDRAWI_DDRAWSURFACE_MORE );
pnew_lcl = MemAlloc( surf_size );
if( pnew_lcl == NULL )
{
return NULL;
}
pdrv = this_lcl->lpGbl->lpDD;
/*
* set up local data
*/
pnew_lcl->lpSurfMore = (LPDDRAWI_DDRAWSURFACE_MORE) (((LPSTR) pnew_lcl) + surf_size_lcl);
pnew_lcl->lpGbl = this_lcl->lpGbl;
pnew_lcl->lpAttachList = NULL;
pnew_lcl->lpAttachListFrom = NULL;
pnew_lcl->dwProcessId = GetCurrentProcessId();
pnew_lcl->dwLocalRefCnt = 0;
pnew_lcl->dwFlags = this_lcl->dwFlags;
pnew_lcl->ddsCaps = this_lcl->ddsCaps;
pnew_lcl->lpDDPalette = NULL;
pnew_lcl->lpDDClipper = NULL;
pnew_lcl->lpSurfMore->lpDDIClipper = NULL;
pnew_lcl->dwBackBufferCount = 0;
pnew_lcl->ddckCKDestBlt.dwColorSpaceLowValue = 0;
pnew_lcl->ddckCKDestBlt.dwColorSpaceHighValue = 0;
pnew_lcl->ddckCKSrcBlt.dwColorSpaceLowValue = 0;
pnew_lcl->ddckCKSrcBlt.dwColorSpaceHighValue = 0;
pnew_lcl->dwReserved1 = this_lcl->dwReserved1;
/*
* set up overlay specific data
*/
if( this_lcl->dwFlags & DDRAWISURF_HASOVERLAYDATA )
{
pnew_lcl->ddckCKDestOverlay.dwColorSpaceLowValue = 0;
pnew_lcl->ddckCKDestOverlay.dwColorSpaceHighValue = 0;
pnew_lcl->ddckCKSrcOverlay.dwColorSpaceLowValue = 0;
pnew_lcl->ddckCKSrcOverlay.dwColorSpaceHighValue = 0;
pnew_lcl->lpSurfaceOverlaying = NULL;
pnew_lcl->rcOverlaySrc.top = 0;
pnew_lcl->rcOverlaySrc.left = 0;
pnew_lcl->rcOverlaySrc.bottom = 0;
pnew_lcl->rcOverlaySrc.right = 0;
pnew_lcl->rcOverlayDest.top = 0;
pnew_lcl->rcOverlayDest.left = 0;
pnew_lcl->rcOverlayDest.bottom = 0;
pnew_lcl->rcOverlayDest.right = 0;
pnew_lcl->dwClrXparent = 0;
pnew_lcl->dwAlpha = 0;
/*
* if this is an overlay, link it in
*/
if( this_lcl->ddsCaps.dwCaps & DDSCAPS_OVERLAY )
{
pnew_lcl->dbnOverlayNode.next = pdrv->dbnOverlayRoot.next;
pnew_lcl->dbnOverlayNode.prev = (LPVOID)(&(pdrv->dbnOverlayRoot));
pdrv->dbnOverlayRoot.next = (LPVOID)(&(pnew_lcl->dbnOverlayNode));
pnew_lcl->dbnOverlayNode.next->prev = (LPVOID)(&(pnew_lcl->dbnOverlayNode));
// pnew_lcl->dbnOverlayNode.object = pnew_int;
}
}
/*
* turn off flags that aren't valid
*/
pnew_lcl->dwFlags &= ~(DDRAWISURF_ATTACHED |
DDRAWISURF_ATTACHED_FROM |
DDRAWISURF_HASCKEYDESTOVERLAY |
DDRAWISURF_HASCKEYDESTBLT |
DDRAWISURF_HASCKEYSRCOVERLAY |
DDRAWISURF_HASCKEYSRCBLT |
DDRAWISURF_SW_CKEYDESTOVERLAY |
DDRAWISURF_SW_CKEYDESTBLT |
DDRAWISURF_SW_CKEYSRCOVERLAY |
DDRAWISURF_SW_CKEYSRCBLT |
DDRAWISURF_HW_CKEYDESTOVERLAY |
DDRAWISURF_HW_CKEYDESTBLT |
DDRAWISURF_HW_CKEYSRCOVERLAY |
DDRAWISURF_HW_CKEYSRCBLT |
DDRAWISURF_FRONTBUFFER |
DDRAWISURF_BACKBUFFER );
/*
* Additional local surface data.
*/
pnew_lcl->lpSurfMore->dwSize = sizeof( DDRAWI_DDRAWSURFACE_MORE );
pnew_lcl->lpSurfMore->lpIUnknowns = NULL;
pnew_lcl->lpSurfMore->lpDD_lcl = NULL;
pnew_lcl->lpSurfMore->dwMipMapCount = 0UL;
#ifdef WIN95
pnew_lcl->dwModeCreatedIn = this_lcl->dwModeCreatedIn;
#else
pnew_lcl->lpSurfMore->dmiCreated = this_lcl->lpSurfMore->dmiCreated;
#endif
return pnew_lcl;
} /* NewSurfaceLocal */
/*
* NewSurfaceInterface
*
* Construct a new surface interface and local object.
*/
LPDDRAWI_DDRAWSURFACE_INT NewSurfaceInterface( LPDDRAWI_DDRAWSURFACE_LCL this_lcl, LPVOID lpvtbl )
{
LPDDRAWI_DDRAWSURFACE_INT pnew_int;
LPDDRAWI_DDRAWSURFACE_INT curr_int;
LPDDRAWI_DDRAWSURFACE_INT last_int;
LPDDRAWI_DIRECTDRAW_GBL pdrv;
pdrv = this_lcl->lpGbl->lpDD;
/*
* try recycle the surface from list of all free interfeaces
*/
curr_int = pdrv->dsFreeList;
last_int = NULL;
pnew_int = NULL;
while( curr_int )
{
DDASSERT(0 == curr_int->dwIntRefCnt);
if ( curr_int->lpLcl == this_lcl && curr_int->lpVtbl == lpvtbl)
{
pnew_int = curr_int;
if (last_int)
{
last_int->lpLink = curr_int->lpLink;
}
else
{
pdrv->dsFreeList = curr_int->lpLink;
}
break;
}
last_int = curr_int;
curr_int = curr_int->lpLink;
}
if ( NULL == pnew_int)
{
pnew_int = MemAlloc( sizeof( DDRAWI_DDRAWSURFACE_INT ) );
if( NULL == pnew_int )
return NULL;
/*
* set up interface data
*/
pnew_int->lpVtbl = lpvtbl;
pnew_int->lpLcl = this_lcl;
}
pnew_int->lpLink = pdrv->dsList;
pdrv->dsList = pnew_int;
pnew_int->dwIntRefCnt = 0;
return pnew_int;
} /* NewSurfaceInterface */
#undef DPF_MODNAME
#define DPF_MODNAME "QueryInterface"
/*
* getDDSInterface
*/
LPDDRAWI_DDRAWSURFACE_INT getDDSInterface( LPDDRAWI_DIRECTDRAW_GBL pdrv,
LPDDRAWI_DDRAWSURFACE_LCL this_lcl,
LPVOID lpddcb )
{
LPDDRAWI_DDRAWSURFACE_INT curr_int;
for( curr_int = pdrv->dsList; curr_int != NULL; curr_int = curr_int->lpLink )
{
if( (curr_int->lpLcl == this_lcl) &&
(curr_int->lpVtbl == lpddcb) )
{
break;
}
}
if( NULL == curr_int )
{
// Couldn't find an existing interface, create one.
curr_int = NewSurfaceInterface( this_lcl, lpddcb );
}
return curr_int;
}
/*
* DD_Surface_QueryInterface
*/
HRESULT DDAPI DD_Surface_QueryInterface(
LPDIRECTDRAWSURFACE lpDDSurface,
REFIID riid,
LPVOID FAR * ppvObj )
{
LPDDRAWI_DIRECTDRAW_GBL pdrv;
LPDDRAWI_DDRAWSURFACE_INT this_int;
LPDDRAWI_DDRAWSURFACE_LCL this_lcl;
#ifdef STREAMING
LPDDRAWI_DDRAWSURFACE_GBLSTREAMING psurf_streaming;
#endif
LPDDRAWI_DDRAWSURFACE_GBL this;
LPDDRAWI_DIRECTDRAW_LCL pdrv_lcl;
LPDDRAWI_DIRECTDRAW_INT pdrv_int;
D3DCreateTextProc lpfnD3DCreateTextProc;
D3DCreateDeviceProc lpfnD3DCreateDeviceProc;
HRESULT rval;
IUnknown FAR* lpIUnknown;
ENTER_DDRAW();
DPF(2,A,"ENTERAPI: DD_Surface_QueryInterface");
/*
* validate parms
*/
TRY
{
this_int = (LPDDRAWI_DDRAWSURFACE_INT) lpDDSurface;
if( !VALID_DIRECTDRAWSURFACE_PTR( this_int ) )
{
DPF_ERR( "Invalid surface pointer" );
LEAVE_DDRAW();
return DDERR_INVALIDOBJECT;
}
this_lcl = this_int->lpLcl;
if( !VALID_PTR_PTR( ppvObj ) )
{
DPF_ERR( "Invalid surface interface pointer" );
LEAVE_DDRAW();
return DDERR_INVALIDPARAMS;
}
*ppvObj = NULL;
if( !VALIDEX_IID_PTR( riid ) )
{
DPF_ERR( "Invalid IID pointer" );
LEAVE_DDRAW();
return DDERR_INVALIDPARAMS;
}
this = this_lcl->lpGbl;
pdrv = this->lpDD;
pdrv_lcl = this_lcl->lpSurfMore->lpDD_lcl;
pdrv_int = this_lcl->lpSurfMore->lpDD_int;
}
EXCEPT( EXCEPTION_EXECUTE_HANDLER )
{
DPF_ERR( "Exception encountered validating parameters" );
LEAVE_DDRAW();
return DDERR_INVALIDPARAMS;
}
/*
* asking for IDirectDrawSurfaceNew?
* Internal only: called by D3D after creating a vertex buffer so we
* don't have to run the surface list only - which is pointless since we've just
* created the surface
*/
if( IsEqualIID(riid, &IID_IDirectDrawSurfaceNew) )
{
if( this_int->lpVtbl == (LPVOID) &ddSurfaceCallbacks )
*ppvObj = (LPVOID) this_int;
else
*ppvObj = (LPVOID) NewSurfaceInterface( this_int->lpLcl, &ddSurfaceCallbacks );
if( NULL == *ppvObj )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
else
{
DD_Surface_AddRef( *ppvObj );
LEAVE_DDRAW();
return DD_OK;
}
}
/*
* asking for IUnknown?
*/
if( IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IDirectDrawSurface) )
{
/*
* Our IUnknown interface is the same as our V1
* interface. We must always return the V1 interface
* if IUnknown is requested.
*/
if( this_int->lpVtbl == &ddSurfaceCallbacks )
*ppvObj = (LPVOID) this_int;
else
*ppvObj = (LPVOID) getDDSInterface( pdrv, this_int->lpLcl, &ddSurfaceCallbacks );
if( NULL == *ppvObj )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
else
{
DD_Surface_AddRef( *ppvObj );
LEAVE_DDRAW();
return DD_OK;
}
}
/*
* asking for IDirectDrawSurface2?
*/
if( IsEqualIID(riid, &IID_IDirectDrawSurface2) )
{
/*
* if this is already an IDirectDrawSurface2 interface, just
* addref and return
*/
if( this_int->lpVtbl == (LPVOID) &ddSurface2Callbacks )
*ppvObj = (LPVOID) this_int;
else
*ppvObj = (LPVOID) getDDSInterface( pdrv, this_int->lpLcl, &ddSurface2Callbacks );
if( NULL == *ppvObj )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
else
{
DD_Surface_AddRef( *ppvObj );
LEAVE_DDRAW();
return DD_OK;
}
}
/*
* asking for IDirectDrawSurface3?
*/
if( IsEqualIID(riid, &IID_IDirectDrawSurface3) )
{
/*
* if this is already an IDirectDrawSurface3 interface, just
* addref and return
*/
if( this_int->lpVtbl == (LPVOID) &ddSurface3Callbacks )
*ppvObj = (LPVOID) this_int;
else
*ppvObj = (LPVOID) getDDSInterface( pdrv, this_int->lpLcl, &ddSurface3Callbacks );
if( NULL == *ppvObj )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
else
{
DD_Surface_AddRef( *ppvObj );
LEAVE_DDRAW();
return DD_OK;
}
}
/*
* asking for IDirectDrawSurface4?
*/
if( IsEqualIID(riid, &IID_IDirectDrawSurface4) )
{
/*
* if this is already an IDirectDrawSurface4 interface, just
* addref and return
*/
if( this_int->lpVtbl == (LPVOID) &ddSurface4Callbacks )
*ppvObj = (LPVOID) this_int;
else
*ppvObj = (LPVOID) getDDSInterface( pdrv, this_int->lpLcl, &ddSurface4Callbacks );
if( NULL == *ppvObj )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
else
{
DD_Surface_AddRef( *ppvObj );
LEAVE_DDRAW();
return DD_OK;
}
}
/*
* asking for IDirectDrawSurface7?
*/
if( IsEqualIID(riid, &IID_IDirectDrawSurface7) )
{
/*
* if this is already an IDirectDrawSurface7 interface, just
* addref and return
*/
if( this_int->lpVtbl == (LPVOID) &ddSurface7Callbacks )
*ppvObj = (LPVOID) this_int;
else
*ppvObj = (LPVOID) getDDSInterface( pdrv, this_int->lpLcl, &ddSurface7Callbacks );
if( NULL == *ppvObj )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
else
{
DD_Surface_AddRef( *ppvObj );
LEAVE_DDRAW();
return DD_OK;
}
}
/*
* asking for IDirectDrawColorControl
*/
if( IsEqualIID(riid, &IID_IDirectDrawColorControl) )
{
/*
* Color controls only work for an overlay/primary surface
*/
if( this_int->lpLcl->ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE )
{
if( !( pdrv->ddCaps.dwCaps2 & DDCAPS2_COLORCONTROLPRIMARY ) )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
}
else if( this_int->lpLcl->ddsCaps.dwCaps & DDSCAPS_OVERLAY )
{
if( !( pdrv->ddCaps.dwCaps2 & DDCAPS2_COLORCONTROLOVERLAY ) )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
}
else
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
/*
* if this is already an IDirectDrawColorControl interface, just
* addref and return
*/
if( this_int->lpVtbl == (LPVOID) &ddColorControlCallbacks )
*ppvObj = (LPVOID) this_int;
else
*ppvObj = (LPVOID) getDDSInterface( pdrv, this_int->lpLcl, &ddColorControlCallbacks );
if( NULL == *ppvObj )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
else
{
DD_Surface_AddRef( *ppvObj );
LEAVE_DDRAW();
return DD_OK;
}
}
/*
* asking for IDirectDrawGammaControl
*/
if( IsEqualIID(riid, &IID_IDirectDrawGammaControl) )
{
/*
* if this is already an IDirectDrawGammaControl interface, just
* addref and return
*/
if( this_int->lpVtbl == (LPVOID) &ddGammaControlCallbacks )
*ppvObj = (LPVOID) this_int;
else
*ppvObj = (LPVOID) getDDSInterface( pdrv, this_int->lpLcl, &ddGammaControlCallbacks );
if( NULL == *ppvObj )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
else
{
DD_Surface_AddRef( *ppvObj );
LEAVE_DDRAW();
return DD_OK;
}
}
/*
* asking for IDirectDrawSurfaceKernel
*/
if( IsEqualIID(riid, &IID_IDirectDrawSurfaceKernel) )
{
/*
* Don't create the interface if the VDD didn't load or if we
* don't have the DisplayDeviceHandle.
*/
if( !IsKernelInterfaceSupported( pdrv_lcl ) )
{
DPF( 0, "Kernel Mode interface not supported" );
LEAVE_DDRAW();
return E_NOINTERFACE;
}
/*
* if this is already an IDirectDrawSurfaceKernel interface, just
* addref and return
*/
if( this_int->lpVtbl == (LPVOID) &ddSurfaceKernelCallbacks )
*ppvObj = (LPVOID) this_int;
else
*ppvObj = (LPVOID) getDDSInterface( pdrv, this_int->lpLcl, &ddSurfaceKernelCallbacks );
if( NULL == *ppvObj )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
else
{
DD_Surface_AddRef( *ppvObj );
LEAVE_DDRAW();
return DD_OK;
}
}
#ifdef POSTPONED
/*
* asking for IPersist
*/
if( IsEqualIID(riid, &IID_IPersist) )
{
/*
* if this is already an IID_IPersist interface, just
* addref and return
*/
if( this_int->lpVtbl == (LPVOID) &ddSurfacePersistCallbacks )
*ppvObj = (LPVOID) this_int;
else
*ppvObj = (LPVOID) getDDSInterface( pdrv, this_int->lpLcl, &ddSurfacePersistCallbacks );
if( NULL == *ppvObj )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
else
{
DD_Surface_AddRef( *ppvObj );
LEAVE_DDRAW();
return DD_OK;
}
}
/*
* asking for IPersistStream
*/
if( IsEqualIID(riid, &IID_IPersistStream) )
{
/*
* if this is already an IID_IPersist interface, just
* addref and return
*/
if( this_int->lpVtbl == (LPVOID) &ddSurfacePersistStreamCallbacks )
*ppvObj = (LPVOID) this_int;
else
*ppvObj = (LPVOID) getDDSInterface( pdrv, this_int->lpLcl, &ddSurfacePersistStreamCallbacks );
if( NULL == *ppvObj )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
else
{
DD_Surface_AddRef( *ppvObj );
LEAVE_DDRAW();
return DD_OK;
}
}
/*
* asking for IDirectDrawOptSurface
*/
if( IsEqualIID(riid, &IID_IDirectDrawOptSurface) )
{
/*
* if this is already an IID_IDirectDrawOptSurface interface, just
* addref and return
*/
if( this_int->lpVtbl == (LPVOID) &ddOptSurfaceCallbacks )
*ppvObj = (LPVOID) this_int;
else
*ppvObj = (LPVOID) getDDSInterface( pdrv, this_int->lpLcl,
&ddOptSurfaceCallbacks );
if( NULL == *ppvObj )
{
LEAVE_DDRAW();
return E_NOINTERFACE;
}
else
{
DD_Surface_AddRef( *ppvObj );
LEAVE_DDRAW();
return DD_OK;
}
}
#endif //POSTPONED
#ifdef STREAMING
/*
* asking for IDirectDrawSurfaceStreaming?
*/
if( IsEqualIID(riid, &IID_IDirectDrawSurfaceStreaming) )
{
/*
* if this is already an IDirectDrawSurfaceStreaming interface,
* just addref and return
*/
if( this_int->lpVtbl == (LPVOID) &ddSurfaceStreamingCallbacks )
{
DD_Surface_AddRef( (LPDIRECTDRAWSURFACE) this_int );
*ppvObj = (LPVOID) this_int;
}
/*
* not an IDirectDrawSurfaceStreaming interface, so we need to
* create one
*/
else
{
psurf_streaming = NewSurfaceInterface( this_lcl, &ddSurfaceStreamingCallbacks );
if( psurf_streaming == NULL )
{
LEAVE_DDRAW();
return DDERR_OUTOFMEMORY;
}
*ppvObj = (LPVOID) psurf_streaming;
}
LEAVE_DDRAW();
return DD_OK;
}
#endif
#ifdef COMPOSITION
/*
* asking for IDirectDrawSurfaceComposition?
*/
if( IsEqualIID(riid, &IID_IDirectDrawSurfaceComposition) )
{
}
#endif
DPF( 4, "IID not understood by Surface QueryInterface - trying Direct3D" );
/*
* We maintain a list of IUnknowns aggregated by each surface.
* These IUnknowns are lazily evaluated, i.e., we only create
* the underlying aggregated object when someone requests the
* the IUnknown via QueryInterface.
*
* We could just hardcode the Direct3D interfaces, check for
* them here and create the appropriate interface but that's
* inflexible and we would have to track new interfaces added
* to Direct3D (a particularly big problem as there are likely
* to be many Direct3DDevice interfaces for different device
* types). So instead, we probe Direct3D but trying its create
* functions with the IID we have been passed and seeing if
* it suceeds or not.
*/
/*
* Do we have an existing aggregated IUnknown for this IID?
*/
lpIUnknown = FindIUnknown( this_lcl, riid );
if( lpIUnknown == NULL )
{
if (DDRAWILCL_DIRECTDRAW7 & pdrv_lcl->dwLocalFlags)
{
DPF(0,"running %s, no texture interface for Query", D3DDX7_DLLNAME);
LEAVE_DDRAW();
return E_NOINTERFACE;
}
if( !D3D_INITIALIZED( pdrv_lcl ) )
{
/*
* Direct3D is not yet initialized. Before we can attempt
* to query for the texture or device interface we must
* initialize it.
*
* NOTE: Currently if initialization fails for any reason
* we fail the QueryInterface() with the error returned
* by InitD3D() (which will be E_NOINTERFACE if Direct3D
* is not properly installed). If we ever end up aggregating
* anything else then this is going to be WRONG as we may
* end up failing a query for a completely unrelated
* interface just because Direct3D failed to initialize.
* Hence, we must rethink this if we end up aggregating
* anything else.
*/
rval = InitD3D( pdrv_int );
if( FAILED( rval ) )
{
DPF_ERR( "Could not initialize Direct3D" );
LEAVE_DDRAW();
return rval;
}
}
DDASSERT( D3D_INITIALIZED( pdrv_lcl ) );
/*
* No matching interface yet - is it a Direct3D texture IID?
*/
lpfnD3DCreateTextProc = (D3DCreateTextProc) GetProcAddress( pdrv_lcl->hD3DInstance, D3DCREATETEXTURE_PROCNAME );
if( lpfnD3DCreateTextProc != NULL )
{
DPF( 4, "Attempting to create Direct3D Texture interface" );
rval = (*lpfnD3DCreateTextProc)( riid, lpDDSurface, &lpIUnknown, (LPUNKNOWN)lpDDSurface );
if( rval == DD_OK )
{
/*
* Found the interface. Add it to our list.
*/
if( InsertIUnknown( this_lcl, riid, lpIUnknown ) == NULL )
{
/*
* Insufficient memory. Discard the interface and fail.
*/
DPF_ERR( "Insufficient memory to aggregate the Direct3D Texture interface" );
lpIUnknown->lpVtbl->Release( lpIUnknown );
LEAVE_DDRAW();
return DDERR_OUTOFMEMORY;
}
}
else if ( rval != E_NOINTERFACE )
{
/*
* The CreateTexture call understood the IID but failed for some
* other reason. Fail the QueryInterface.
*/
DPF_ERR( "Direct3D CreateTexture with valid IID" );
LEAVE_DDRAW();
return rval;
}
}
else
{
DPF( 0, "Could not locate the Direct3D CreateTexture entry point!" );
}
}
if( lpIUnknown == NULL )
{
/*
* Still no matching interface - is it a Direct3D device IID?
*/
/*
* NOTE: Don't need to verify that Direct3D is initialized. If we
* got to here it must have been initialized (when we tried the
* texture interface).
*/
DDASSERT( D3D_INITIALIZED( pdrv_lcl ) );
lpfnD3DCreateDeviceProc = (D3DCreateDeviceProc) GetProcAddress( pdrv_lcl->hD3DInstance, D3DCREATEDEVICE_PROCNAME );
if( lpfnD3DCreateDeviceProc != NULL )
{
DPF( 4, "Attempting to create Direct3D Device interface" );
rval = (*lpfnD3DCreateDeviceProc)( riid,
pdrv_lcl->pD3DIUnknown,
lpDDSurface, &lpIUnknown,
(LPUNKNOWN)lpDDSurface, 1);
if( rval == DD_OK )
{
/*
* Found the interface. Add it to our list.
*/
if( InsertIUnknown( this_lcl, riid, lpIUnknown ) == NULL )
{
/*
* Insufficient memory. Discard the interface and fail.
*/
DPF_ERR( "Insufficient memory to aggregate the Direct3D Device interface" );
lpIUnknown->lpVtbl->Release( lpIUnknown );
LEAVE_DDRAW();
return DDERR_OUTOFMEMORY;
}
}
else if ( rval != E_NOINTERFACE )
{
/*
* The CreateDevice call understood the IID but failed for some
* other reason. Fail the QueryInterface.
*/
DPF_ERR( "Direct3D CreateDevice with valid IID" );
LEAVE_DDRAW();
return rval;
}
}
else
{
DPF( 0, "Could not locate the Direct3D CreateDevice entry point!" );
}
}
if( lpIUnknown != NULL )
{
/*
* We have found an aggregated IID - pass the QueryInterface off
* on to it.
*/
DPF( 4, "Passing query to aggregated (Direct3D) interface" );
rval = lpIUnknown->lpVtbl->QueryInterface( lpIUnknown, riid, ppvObj );
if( rval == DD_OK )
{
DPF( 4, "Aggregated (Direct3D) QueryInterface successful" );
LEAVE_DDRAW();
return DD_OK;
}
}
DPF_ERR( "IID not understood by DirectDraw" );
LEAVE_DDRAW();
return E_NOINTERFACE;
} /* DD_Surface_QueryInterface */
#undef DPF_MODNAME
#define DPF_MODNAME "AddRef"
/*
* DD_Surface_AddRef
*/
ULONG DDAPI DD_Surface_AddRef( LPDIRECTDRAWSURFACE lpDDSurface )
{
LPDDRAWI_DIRECTDRAW_GBL pdrv;
LPDDRAWI_DDRAWSURFACE_INT this_int;
LPDDRAWI_DDRAWSURFACE_LCL this_lcl;
LPDDRAWI_DDRAWSURFACE_GBL this;
DWORD rcnt;
ENTER_DDRAW();
DPF(2,A,"ENTERAPI: DD_Surface_AddRef");
TRY
{
/*
* validate parms
*/
this_int = (LPDDRAWI_DDRAWSURFACE_INT) lpDDSurface;
if( !VALID_DIRECTDRAWSURFACE_PTR( this_int ) )
{
DPF_ERR( "Invalid surface pointer" );
LEAVE_DDRAW();
return 0;
}
this_lcl = this_int->lpLcl;
this = this_lcl->lpGbl;
pdrv = this->lpDD;
// need to allow lost surfaces
#if 0
if( SURFACE_LOST( this_lcl ) )
{
LEAVE_DDRAW();
return 0;
}
#endif
}
EXCEPT( EXCEPTION_EXECUTE_HANDLER )
{
DPF_ERR( "Exception encountered validating parameters" );
LEAVE_DDRAW();
return 0;
}
/*
* If this surface is already being freed, immediately return to
* prevent recursion.
*/
if( this_lcl->dwFlags & DDRAWISURF_ISFREE )
{
DPF(4, "Leaving AddRef early to prevent recursion" );
LEAVE_DDRAW();
return 0;
}
/*
* update surface reference count
*/
this->dwRefCnt++;
this_lcl->dwLocalRefCnt++;
this_int->dwIntRefCnt++;
ADDREFTRACK(lpDDSurface);
rcnt = this_lcl->dwLocalRefCnt & ~OBJECT_ISROOT;
DPF( 5, "DD_Surface_AddRef, Reference Count: Global = %ld Local = %ld Int = %ld",
this->dwRefCnt, rcnt, this_int->dwIntRefCnt );
LEAVE_DDRAW();
return this_int->dwIntRefCnt;
} /* DD_Surface_AddRef */
/*
* DestroySurface
*
* destroys a DirectDraw surface. does not unlink or free the surface struct.
* The driver object MUST be locked while making this call
*/
extern void ReleaseSurfaceHandle(LPDWLIST lpSurfaceHandleList,DWORD handle);
void DestroySurface( LPDDRAWI_DDRAWSURFACE_LCL this_lcl )
{
LPDDRAWI_DDRAWSURFACE_GBL this;
DDHAL_DESTROYSURFACEDATA dsd;
DWORD rc;
BOOL free_vmem;
LPDDHALSURFCB_DESTROYSURFACE dsfn;
LPDDHALSURFCB_DESTROYSURFACE dshalfn;
BOOL emulation;
DWORD caps;
LPDDRAWI_DIRECTDRAW_LCL pdrv_lcl;
this = this_lcl->lpGbl;
caps = this_lcl->ddsCaps.dwCaps;
pdrv_lcl = this_lcl->lpSurfMore->lpDD_lcl;
/*
* Wait for driver to finish with any pending DMA operations
*/
if( this->dwGlobalFlags & DDRAWISURFGBL_HARDWAREOPSTARTED )
{
WaitForDriverToFinishWithSurface(pdrv_lcl, this_lcl);
}
/*
* Turn off video port hardware. It should already be off if it
* was called due by Release, but not if it was called by
* InvalidateSurface.
*/
if( this_lcl->ddsCaps.dwCaps & DDSCAPS_VIDEOPORT )
{
LPDDRAWI_DDVIDEOPORT_LCL lpVP_lcl;
LPDDRAWI_DDVIDEOPORT_INT lpVP_int;
/*
* search all video ports to see if any are using this surface
*/
lpVP_lcl = this_lcl->lpSurfMore->lpVideoPort;
lpVP_int = pdrv_lcl->lpGbl->dvpList;
while( lpVP_int != NULL )
{
if( ( lpVP_int->lpLcl == lpVP_lcl ) &&
!( lpVP_int->dwFlags & DDVPCREATE_NOTIFY) )
{
if( lpVP_int->dwFlags & DDVPCREATE_VBIONLY )
{
if( ( lpVP_lcl->lpVBISurface != NULL ) &&
( lpVP_lcl->lpVBISurface->lpLcl == this_lcl ) )
{
DD_VP_StopVideo( (LPDIRECTDRAWVIDEOPORT)lpVP_int );
if( ( lpVP_lcl->lpVBISurface != NULL ) &&
( lpVP_lcl->lpVBISurface->dwIntRefCnt > 0 ) )
{
DecrementRefCounts( lpVP_lcl->lpVBISurface );
}
lpVP_lcl->lpVBISurface = NULL;
}
}
else if( lpVP_int->dwFlags & DDVPCREATE_VIDEOONLY )
{
if( ( lpVP_lcl->lpSurface != NULL ) &&
( lpVP_lcl->lpSurface->lpLcl == this_lcl ) )
{
DD_VP_StopVideo( (LPDIRECTDRAWVIDEOPORT)lpVP_int );
if( ( lpVP_lcl->lpSurface != NULL ) &&
( lpVP_lcl->lpSurface->dwIntRefCnt > 0 ) )
{
DecrementRefCounts( lpVP_lcl->lpSurface );
}
lpVP_lcl->lpSurface = NULL;
}
}
else if( ( lpVP_lcl->lpSurface != NULL ) &&
( lpVP_lcl->lpSurface->lpLcl == this_lcl ) )
{
DD_VP_StopVideo( (LPDIRECTDRAWVIDEOPORT)lpVP_int );
if( ( lpVP_lcl->lpSurface != NULL ) &&
( lpVP_lcl->lpSurface->dwIntRefCnt > 0 ) )
{
DecrementRefCounts( lpVP_lcl->lpSurface );
}
lpVP_lcl->lpSurface = NULL;
if( ( lpVP_lcl->lpVBISurface != NULL ) &&
( lpVP_lcl->lpVBISurface->dwIntRefCnt > 0 ) )
{
DecrementRefCounts( lpVP_lcl->lpVBISurface );
}
lpVP_lcl->lpVBISurface = NULL;
}
}
lpVP_int = lpVP_int->lpLink;
}
}
/*
* Release the kernel handle if one has been allocated
*/
InternalReleaseKernelSurfaceHandle( this_lcl, TRUE );
/*
* Restore the color controls if they were changed.
*/
ReleaseColorControl( this_lcl );
RestoreGamma( this_lcl, pdrv_lcl );
/*
* Turn off the overlay. If this function was called by Release,
* the ovelray should already be off by now; however, it will not
* if called because the surface was lost.
*/
if( (this_lcl->ddsCaps.dwCaps & DDSCAPS_OVERLAY) &&
(this_lcl->ddsCaps.dwCaps & DDSCAPS_VISIBLE) &&
(this_lcl->ddsCaps.dwCaps & DDSCAPS_VIDEOMEMORY) )
{
LPDDHALSURFCB_UPDATEOVERLAY uohalfn;
LPDDHALSURFCB_UPDATEOVERLAY uofn;
DWORD rc;
DDHAL_UPDATEOVERLAYDATA uod;
uofn = pdrv_lcl->lpDDCB->HALDDSurface.UpdateOverlay;
uohalfn = pdrv_lcl->lpDDCB->cbDDSurfaceCallbacks.UpdateOverlay;
DDASSERT( uohalfn != NULL );
DPF( 2, "Turning off hardware overlay" );
uod.UpdateOverlay = uohalfn;
uod.lpDD = this_lcl->lpSurfMore->lpDD_lcl->lpGbl;
uod.lpDDSrcSurface = this_lcl;
uod.lpDDDestSurface = this_lcl->lpSurfaceOverlaying->lpLcl;
uod.dwFlags = DDOVER_HIDE;
DOHALCALL( UpdateOverlay, uofn, uod, rc, FALSE );
DDASSERT( ( rc == DDHAL_DRIVER_HANDLED ) &&
(( uod.ddRVal == DD_OK ) || ( uod.ddRVal == DDERR_SURFACELOST )) );
this_lcl->ddsCaps.dwCaps &= ~DDSCAPS_VISIBLE;
}
/*
* see if we need to free video memory
*
* We don't if its already free, if it was allocated by the client (and
* the client didn't specifically make DDraw responsible for freeing it),
* or if it is the video memory GDI surface.
*/
#if 0 // DDRAWISURFGBL_DDFREESCLIENTMEM is gone
if((this->dwGlobalFlags & DDRAWISURFGBL_MEMFREE) ||
(this->dwGlobalFlags & DDRAWISURFGBL_ISCLIENTMEM &&
!(this->dwGlobalFlags & DDRAWISURFGBL_DDFREESCLIENTMEM)) ||
((this->dwGlobalFlags & DDRAWISURFGBL_ISGDISURFACE) && //((this->fpVidMem == this->lpDD->fpPrimaryOrig) &&
(this_lcl->ddsCaps.dwCaps & DDSCAPS_VIDEOMEMORY) ) )
#else
#ifdef WINNT
// On Win2K we don't see any reason why the video memory primary
// should not be freed. Actually, we don't see any reason on Win9x
// as well, but we are not going to touch Win9x given that this is
// March 2001.
if((this->dwGlobalFlags & DDRAWISURFGBL_MEMFREE))
#else
if((this->dwGlobalFlags & DDRAWISURFGBL_MEMFREE) ||
((this->dwGlobalFlags & DDRAWISURFGBL_ISGDISURFACE) && //((this->fpVidMem == this->lpDD->fpPrimaryOrig) &&
(this_lcl->ddsCaps.dwCaps & DDSCAPS_VIDEOMEMORY) ) )
#endif // WINNT
#endif // 0
{
free_vmem = FALSE;
}
else
{
free_vmem = TRUE;
}
if( free_vmem )
{
/*
* ask the driver to free its video memory...
*/
if( this_lcl->ddsCaps.dwCaps & DDSCAPS_SYSTEMMEMORY )
{
if( caps & DDSCAPS_EXECUTEBUFFER )
dsfn = pdrv_lcl->lpDDCB->HELDDExeBuf.DestroyExecuteBuffer;
else
dsfn = pdrv_lcl->lpDDCB->HELDDSurface.DestroySurface;
dshalfn = dsfn;
emulation = TRUE;
}
else
{
if( caps & DDSCAPS_EXECUTEBUFFER )
{
dsfn = pdrv_lcl->lpDDCB->HALDDExeBuf.DestroyExecuteBuffer;
dshalfn = pdrv_lcl->lpDDCB->cbDDExeBufCallbacks.DestroyExecuteBuffer;
}
else
{
dsfn = pdrv_lcl->lpDDCB->HALDDSurface.DestroySurface;
dshalfn = pdrv_lcl->lpDDCB->cbDDSurfaceCallbacks.DestroySurface;
}
emulation = FALSE;
}
rc = DDHAL_DRIVER_NOTHANDLED;
if( dshalfn != NULL )
{
DWORD save;
dsd.DestroySurface = dshalfn;
dsd.lpDD = this->lpDD;
dsd.lpDDSurface = this_lcl;
if(this_lcl->dwFlags & DDRAWISURF_DRIVERMANAGED)
{
save = this_lcl->dwFlags & DDRAWISURF_INVALID;
this_lcl->dwFlags &= ~DDRAWISURF_INVALID;
}
/*
* NOTE: THE DRIVER _CANNOT_ FAIL THIS CALL. ddrval is ignored.
*/
if( caps & DDSCAPS_EXECUTEBUFFER )
{
DOHALCALL( DestroyExecuteBuffer, dsfn, dsd, rc, emulation );
}
else
{
DOHALCALL( DestroySurface, dsfn, dsd, rc, emulation );
}
if(this_lcl->dwFlags & DDRAWISURF_DRIVERMANAGED)
{
this_lcl->dwFlags |= save;
}
}
/*
* free the video memory ourselves
*/
if( rc == DDHAL_DRIVER_NOTHANDLED )
{
if( this_lcl->ddsCaps.dwCaps & DDSCAPS_VIDEOMEMORY )
{
#ifndef WINNT
if( this->lpVidMemHeap != NULL )
{
VidMemFree( this->lpVidMemHeap, this->fpVidMem );
}
#endif
}
}
this->lpVidMemHeap = NULL;
this->fpVidMem = 0;
this->dwGlobalFlags |= DDRAWISURFGBL_MEMFREE;
}
} /* DestroySurface */
#undef DPF_MODNAME
#define DPF_MODNAME "LooseManagedSurface"
/*
* LooseManagedSurface
*
*/
void LooseManagedSurface( LPDDRAWI_DDRAWSURFACE_LCL this_lcl )
{
LPDDRAWI_DDRAWSURFACE_GBL this;
DDHAL_DESTROYSURFACEDATA dsd;
DWORD rc;
LPDDHALSURFCB_DESTROYSURFACE dsfn;
LPDDHALSURFCB_DESTROYSURFACE dshalfn;
BOOL emulation;
LPDDRAWI_DIRECTDRAW_LCL pdrv_lcl;
DWORD save;
this = this_lcl->lpGbl;
pdrv_lcl = this_lcl->lpSurfMore->lpDD_lcl;
dsfn = pdrv_lcl->lpDDCB->HALDDSurface.DestroySurface;
dshalfn = pdrv_lcl->lpDDCB->cbDDSurfaceCallbacks.DestroySurface;
emulation = FALSE;
rc = DDHAL_DRIVER_NOTHANDLED;
dsd.DestroySurface = dshalfn;
dsd.lpDD = this->lpDD;
dsd.lpDDSurface = this_lcl;
save = this_lcl->dwFlags & DDRAWISURF_INVALID;
this_lcl->dwFlags |= DDRAWISURF_INVALID;
/*
* NOTE: THE DRIVER _CANNOT_ FAIL THIS CALL. ddrval is ignored.
*/
DOHALCALL( DestroySurface, dsfn, dsd, rc, emulation );
this_lcl->dwFlags &= ~DDRAWISURF_INVALID;
this_lcl->dwFlags |= save;
} /* LooseManagedSurface */
#undef DPF_MODNAME
#define DPF_MODNAME "Release"
/*
* NOTE: These two functions are hacks to get around a compiler bug
* that caused an infinite loop.
*/
LPVOID GetAttachList( LPDDRAWI_DDRAWSURFACE_LCL this_lcl )
{
return this_lcl->lpAttachList;
}
LPVOID GetAttachListFrom( LPDDRAWI_DDRAWSURFACE_LCL this_lcl )
{
return this_lcl->lpAttachListFrom;
}
/*
* findOtherInterface
*
* Finds another interface to the lcl surface object different than this_int.
* Returns NULL if no other interface is found.
*
*/
LPDDRAWI_DDRAWSURFACE_INT findOtherInterface(LPDDRAWI_DDRAWSURFACE_INT this_int,
LPDDRAWI_DDRAWSURFACE_LCL this_lcl,
LPDDRAWI_DIRECTDRAW_GBL pdrv)
{
LPDDRAWI_DDRAWSURFACE_INT psurf = pdrv->dsList;
while(psurf != NULL)
{
if( (psurf != this_int) && (psurf->lpLcl == this_lcl) )
{
return psurf;
}
psurf = psurf->lpLink;
}
return NULL;
}
/*
* InternalSurfaceRelease
*
* Done with a surface. if no one else is using it, then we can free it.
* Also called by ProcessSurfaceCleanup, EnumSurfaces and DD_Release.
*
* Assumes the lock is taken on the driver.
*/
DWORD InternalSurfaceRelease( LPDDRAWI_DDRAWSURFACE_INT this_int, BOOL bLightweight, BOOL bDX8 )
{
LPDDRAWI_DDRAWSURFACE_LCL this_lcl;
LPDDRAWI_DDRAWSURFACE_GBL this;
LPATTACHLIST pattachlist;
DWORD intrefcnt;
DWORD lclrefcnt;
DWORD gblrefcnt;
DWORD pid;
LPDDRAWI_DIRECTDRAW_LCL pdrv_lcl;
LPDDRAWI_DIRECTDRAW_GBL pdrv;
BOOL root_object_deleted;
BOOL do_free;
DWORD caps;
IUnknown * pOwner = NULL;
LPDDRAWI_DDRAWSURFACE_INT curr_int;
LPDDRAWI_DDRAWSURFACE_INT last_int;
BOOL bPrimaryChain = FALSE;
this_lcl = this_int->lpLcl;
this = this_lcl->lpGbl;
if (this_lcl->dwFlags & DDRAWISURF_PARTOFPRIMARYCHAIN)
{
bPrimaryChain = TRUE;
}
/*
* check owner of surface
*/
pid = GETCURRPID();
/*
* don't allow someone to free an implicitly created surface
*/
if( (this->dwRefCnt == 1) && (this_lcl->dwFlags & DDRAWISURF_IMPLICITCREATE) )
{
DPF_ERR( "Cannot free an implicitly created surface" );
return 0;
}
/*
* remove locks taken on this surface by the current process
*/
pdrv_lcl = this_lcl->lpSurfMore->lpDD_lcl;
pdrv = pdrv_lcl->lpGbl;
if( (this_lcl->dwLocalRefCnt & ~OBJECT_ISROOT) == 1 )
{
RemoveProcessLocks( pdrv_lcl, this_lcl, pid );
}
/*
* decrement the reference count. if it hits zero, free the surface
*/
this->dwRefCnt--;
gblrefcnt = this->dwRefCnt;
this_lcl->dwLocalRefCnt--;
lclrefcnt = this_lcl->dwLocalRefCnt & ~OBJECT_ISROOT;
this_int->dwIntRefCnt--;
intrefcnt = this_int->dwIntRefCnt;
DPF( 5, "DD_Surface_Release, Reference Count: Global = %ld Local = %ld Int = %ld",
gblrefcnt, lclrefcnt, intrefcnt );
#ifdef POSTPONED2
/*
* If the reference count on the interface object has now gone to
* zero and that object is referenced in the master sprite list,
* remove the reference to that object from the master sprite list.
*/
if (intrefcnt == 0 && this_lcl->dwFlags & DDRAWISURF_INMASTERSPRITELIST)
{
RemoveSpriteSurface(pdrv, this_int);
}
#endif //POSTPONED2
/*
* local object at zero?
*/
root_object_deleted = FALSE;
if ( 0 == lclrefcnt )
{
LPDDRAWI_DDRAWSURFACE_INT curr_int;
LPDDRAWI_DDRAWSURFACE_LCL curr_lcl;
LPDDRAWI_DDRAWSURFACE_GBL curr;
DWORD refcnt;
// Do not call FlushD3DStates on DDHelp thread; if the app has died, then
// D3DIM will be gone.
if (dwHelperPid != GetCurrentProcessId())
{
FlushD3DStates(this_lcl);
/* If there exists a D3D texture object, then we need to kill it */
if(this_lcl->lpSurfMore->lpTex)
{
DDASSERT(pdrv_lcl->pD3DDestroyTexture);
pdrv_lcl->pD3DDestroyTexture(this_lcl->lpSurfMore->lpTex);
}
}
/*
* see if we are deleting the root object
*/
if( this_lcl->dwLocalRefCnt & OBJECT_ISROOT )
{
root_object_deleted = TRUE;
}
/*
* reset if primary surface is the one being released
*/
if( this_lcl->ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE )
{
/*
* restore GDI stuff if this is the GDI driver
*/
if( pdrv->dwFlags & DDRAWI_DISPLAYDRV )
{
if( !SURFACE_LOST( this_lcl ) )
{
DPF( 2, "Resetting primary surface");
/*
* flip to the original primary surface if not emulated
*/
if( !(this_lcl->ddsCaps.dwCaps & DDSCAPS_SYSTEMMEMORY) )
{
FlipToGDISurface( pdrv_lcl, this_int ); //, pdrv->fpPrimaryOrig );
}
}
/*
* Cause the GDI surface to be redrawn if the mode was ever changed.
*/
if (pdrv_lcl->dwLocalFlags & DDRAWILCL_MODEHASBEENCHANGED)
RedrawWindow( NULL, NULL, NULL, RDW_INVALIDATE | RDW_ERASE |
RDW_ALLCHILDREN );
}
}
/*
* hide a hardware overlay...
*/
if( (this_lcl->ddsCaps.dwCaps & DDSCAPS_OVERLAY) &&
(this_lcl->ddsCaps.dwCaps & DDSCAPS_VISIBLE) &&
(this_lcl->ddsCaps.dwCaps & DDSCAPS_VIDEOMEMORY) )
{
LPDDHALSURFCB_UPDATEOVERLAY uohalfn;
LPDDHALSURFCB_UPDATEOVERLAY uofn;
DWORD rc;
DDHAL_UPDATEOVERLAYDATA uod;
uofn = pdrv_lcl->lpDDCB->HALDDSurface.UpdateOverlay;
uohalfn = pdrv_lcl->lpDDCB->cbDDSurfaceCallbacks.UpdateOverlay;
if( (uohalfn != NULL) && (NULL != this_lcl->lpSurfaceOverlaying) )
{
DPF( 2, "Turning off hardware overlay" );
uod.UpdateOverlay = uohalfn;
uod.lpDD = pdrv;
uod.lpDDSrcSurface = this_lcl;
uod.lpDDDestSurface = this_lcl->lpSurfaceOverlaying->lpLcl;
uod.dwFlags = DDOVER_HIDE;
DOHALCALL( UpdateOverlay, uofn, uod, rc, FALSE );
this_lcl->ddsCaps.dwCaps &= ~DDSCAPS_VISIBLE;
}
}
/*
* if an overlay, remove surface from the overlay Z order list
*/
if( this_lcl->ddsCaps.dwCaps & DDSCAPS_OVERLAY )
{
// Remove surface from doubly linked list
this_lcl->dbnOverlayNode.prev->next = this_lcl->dbnOverlayNode.next;
this_lcl->dbnOverlayNode.next->prev = this_lcl->dbnOverlayNode.prev;
// If this surface is overlaying an emulated surface, we must notify
// the HEL that it needs to eventually update the part of the surface
// touched by this overlay.
if( this_lcl->lpSurfaceOverlaying != NULL )
{
LPDIRECTDRAWSURFACE lpTempSurface;
// We have a pointer to the surface being overlayed, check to
// see if it is being emulated.
if( this_lcl->lpSurfaceOverlaying->lpLcl->ddsCaps.dwCaps & DDSCAPS_SYSTEMMEMORY )
{
// Mark the destination region of this overlay as dirty.
DD_Surface_AddOverlayDirtyRect(
(LPDIRECTDRAWSURFACE)(this_lcl->lpSurfaceOverlaying),
&(this_lcl->rcOverlayDest) );
}
lpTempSurface = (LPDIRECTDRAWSURFACE)(this_lcl->lpSurfaceOverlaying);
this_lcl->lpSurfaceOverlaying = NULL;
DD_Surface_Release( lpTempSurface );
}
}
if( (this_lcl->ddsCaps.dwCaps & DDSCAPS_OVERLAY) &&
( this_lcl->lpSurfMore->lpddOverlayFX != NULL ) )
{
MemFree( this_lcl->lpSurfMore->lpddOverlayFX );
this_lcl->lpSurfMore->lpddOverlayFX = NULL;
}
/*
* turn off video port hardware...
*/
if( this_lcl->ddsCaps.dwCaps & DDSCAPS_VIDEOPORT )
{
LPDDRAWI_DDVIDEOPORT_INT lpVideoPort;
LPDDRAWI_DDVIDEOPORT_LCL lpVideoPort_lcl;
/*
* search all video ports to see if any are using this surface
*/
lpVideoPort = pdrv->dvpList;
while( ( NULL != lpVideoPort ) &&
!( lpVideoPort->dwFlags & DDVPCREATE_NOTIFY ) )
{
lpVideoPort_lcl = lpVideoPort->lpLcl;
if( lpVideoPort_lcl->lpSurface == this_int )
{
DD_VP_StopVideo( (LPDIRECTDRAWVIDEOPORT)lpVideoPort );
lpVideoPort_lcl->lpSurface = NULL;
}
if( lpVideoPort_lcl->lpVBISurface == this_int )
{
DD_VP_StopVideo( (LPDIRECTDRAWVIDEOPORT)lpVideoPort );
lpVideoPort_lcl->lpVBISurface = NULL;
}
lpVideoPort = lpVideoPort->lpLink;
}
}
/*
* If is has a gamma ramp, release it now
*/
ReleaseGammaControl( this_lcl );
/*
* Free the nodes in the IUnknown list and release all the interfaces.
*/
FreeIUnknowns( this_lcl, TRUE );
/*
* release all implicitly created attached surfaces
*/
pattachlist = GetAttachList( this_lcl );
this_lcl->dwFlags |= DDRAWISURF_ISFREE;
while( pattachlist != NULL )
{
BOOL was_implicit;
/*
* break all attachments
*/
curr_int = pattachlist->lpIAttached;
if( pattachlist->dwFlags & DDAL_IMPLICIT )
was_implicit = TRUE;
else
was_implicit = FALSE;
DPF(5, "Deleting attachment from %08lx to %08lx (implicit = %d)",
curr_int, this_int, was_implicit);
DeleteOneAttachment( this_int, curr_int, TRUE, DOA_DELETEIMPLICIT );
// If the attachment was not implicit then curr_int may possibly have
// been destroyed as a result of DeleteOneAttachment.
if( was_implicit )
{
curr_lcl = curr_int->lpLcl;
curr = curr_lcl->lpGbl;
/*
* release an implicitly created surface
*/
if( !(curr_lcl->dwFlags & DDRAWISURF_ISFREE) )
{
if( curr_lcl->dwFlags & DDRAWISURF_IMPLICITCREATE )
{
refcnt = curr_int->dwIntRefCnt;
curr_lcl->dwFlags &= ~DDRAWISURF_IMPLICITCREATE;
while( refcnt > 0 )
{
InternalSurfaceRelease( curr_int, bLightweight, bDX8 );
refcnt--;
}
}
}
}
/*
* start again at the beginning of the list because
* DeleteOneAttachment may have modified the attachment list.
* HACKHACK: this fn call is needed to get around a compiler bug
*/
pattachlist = GetAttachList( this_lcl );
}
/* at this point all D3DDevice must have detached themselves
unless if this is being called by DDHELP */
#if DBG
if(dwHelperPid != GetCurrentProcessId())
{
DDASSERT(NULL == this_lcl->lpSurfMore->lpD3DDevIList);
}
#endif
/*
* If a palette is attached to this surface remove it (and, as a
* side effect, release it). Use SetPaletteAlways just in case the
* surface has been lost.
*/
if( this_lcl->lpDDPalette )
SetPaletteAlways( this_int, NULL );
/*
* Release the attached clipper (if any).
*/
if( this_lcl->lpSurfMore->lpDDIClipper )
DD_Clipper_Release( (LPDIRECTDRAWCLIPPER)this_lcl->lpSurfMore->lpDDIClipper );
/*
* remove all attachments to us from other surfaces
*/
pattachlist = this_lcl->lpAttachListFrom;
while( pattachlist != NULL )
{
curr_int = pattachlist->lpIAttached;
DPF( 5, "Deleting attachment from %08lx", curr_int );
DeleteOneAttachment( curr_int, this_int, TRUE, DOA_DELETEIMPLICIT );
/*
* start again at the beginning of the list because
* DeleteOneAttachment may have modified the attachment list.
* HACKHACK: this fn call is needed to get around a compiler bug
*/
pattachlist = GetAttachListFrom( this_lcl );
}
/*
* Remove any association with a DC. This will tend to mean
* that someone has orphaned a windows DC.
*/
if( this_lcl->dwFlags & DDRAWISURF_HASDC )
{
if( this_lcl->ddsCaps.dwCaps & DDSCAPS_OWNDC )
{
HRESULT ddrval;
DDASSERT( this->dwGlobalFlags & DDRAWISURFGBL_SYSMEMREQUESTED );
DDASSERT( this_lcl->hDC != 0UL );
/*
* If this is an OWNDC surface the HDC lives as long as the surface
* so release it now.
*/
ddrval = InternalReleaseDC( this_lcl, (HDC)this_lcl->hDC
#ifdef WIN95
, TRUE
#endif //WIN95
);
DDASSERT( !FAILED(ddrval) );
}
else
{
/*
* If its not an OWNDC surface then the HDC should have been released before
* we ever got here.
*/
DPF( 1, "HDC Leaked! Surface should only be released after DC is released" );
// Remove DC from the list
InternalRemoveDCFromList( NULL, this_lcl );
// Clear flags
this_lcl->dwFlags &= ~(DDRAWISURF_HASDC | DDRAWISURF_GETDCNULL);
}
}
/*
* Remove private data
*/
FreeAllPrivateData( &this_lcl->lpSurfMore->pPrivateDataHead );
/*
* Region lists should be freed
*/
if(IsD3DManaged(this_lcl))
{
MemFree(this_lcl->lpSurfMore->lpRegionList);
}
/*
* If the ddraw interface which created this surface caused the surface to addref the ddraw
* object, then we need to release that addref now.
* We don't release ddraw object for implicitly created surfaces, since
* that surface never took an addref.
*/
if (this_lcl->lpSurfMore->lpDD_int)
{
pOwner = this_lcl->lpSurfMore->pAddrefedThisOwner;
}
if (!bLightweight)
{
MemFree(this_lcl->lpSurfMore->pCreatedDDSurfaceDesc2);
MemFree(this_lcl->lpSurfMore->slist);
}
this_lcl->dwFlags &= ~DDRAWISURF_ISFREE;
}
/*
* root object at zero?
*/
do_free = FALSE;
if( gblrefcnt == 0 )
{
#ifdef WINNT
if (this->dwGlobalFlags & DDRAWISURFGBL_NOTIFYWHENUNLOCKED)
{
if (--dwNumLockedWhenModeSwitched == 0)
{
NotifyDriverOfFreeAliasedLocks();
}
this->dwGlobalFlags &= ~DDRAWISURFGBL_NOTIFYWHENUNLOCKED;
}
#endif
/*
* get rid of all memory associated with this surface
*/
DestroySurface( this_lcl );
if (0 != this_lcl->lpSurfMore->dwSurfaceHandle)
{
#ifdef WIN95
// need to notify the driver that this system memory surface is not associated to
// this surface handle anymore
if (this_lcl->ddsCaps.dwCaps & DDSCAPS_SYSTEMMEMORY)
{
DDASSERT(0UL == this->fpVidMem);
// For now, simply warn that the driver failed to associate the surface with the
// token and continue
DDASSERT( pdrv_lcl == this_lcl->lpSurfMore->lpDD_lcl);
createsurfaceEx(this_lcl);
}
#endif
ReleaseSurfaceHandle(&SURFACEHANDLELIST(pdrv_lcl),this_lcl->lpSurfMore->dwSurfaceHandle);
//DPF(0,"Release lpSurfMore->dwSurfaceHandle=%08lx",this_lcl->lpSurfMore->dwSurfaceHandle);
this_lcl->lpSurfMore->dwSurfaceHandle=0;
}
this_lcl->dwFlags |= DDRAWISURF_INVALID;
do_free = TRUE;
#ifdef WIN95
//
// Free persistent-content memory, if any
//
if (this_lcl->lpSurfMore->ddsCapsEx.dwCaps2 & DDSCAPS2_PERSISTENTCONTENTS)
{
FreeSurfaceContents(this_lcl);
}
#endif
/*
* if this was the final delete, but this wasn't the root object,
* then we need to delete the dangling object
*/
if( !root_object_deleted )
{
LPDDRAWI_DDRAWSURFACE_LCL root_lcl;
/*
* Get the start of the root global data object. Since the
* global data always follows the local data, we just need
* to back up the size of the local data to get the start of
* the allocated block.
*
* NOTE: The local surface allocation now includes the
* additional local surface structure (DDRAWI_DDRAWSURFACE_MORE).
* So we need to back up by the size of that structure also.
* And also need to move back 4 bytes for the extra pointer
* to the GBL_MORE.
*
* Since all duplicated surfaces have the same local data,
* we just need to test this surface for overlay data to determine
* if the root object had overlay data.
*/
if( this_lcl->dwFlags & DDRAWISURF_HASOVERLAYDATA )
{
root_lcl = (LPVOID) (((LPSTR) this) - ( sizeof( DDRAWI_DDRAWSURFACE_LCL ) +
sizeof( DDRAWI_DDRAWSURFACE_MORE ) +
sizeof( LPDDRAWI_DDRAWSURFACE_GBL_MORE ) ) );
}
else
{
root_lcl = (LPVOID) (((LPSTR) this) - ( offsetof( DDRAWI_DDRAWSURFACE_LCL, ddckCKSrcOverlay ) +
sizeof( DDRAWI_DDRAWSURFACE_MORE ) +
sizeof( LPDDRAWI_DDRAWSURFACE_GBL_MORE ) ) );
}
if (!bLightweight)
{
MemFree( root_lcl );
}
}
}
else if( lclrefcnt == 0 )
{
/*
* only remove the object if it wasn't the root. if it
* was the root, we must leave it dangling until the last
* object referencing it goes away.
*/
if( !root_object_deleted )
{
do_free = TRUE;
}
}
caps = this_lcl->ddsCaps.dwCaps;
/*
* If we are releasing an interface to a primary surface, update the pointer to the primary
* surface stored in the local driver object. If another interface to the primary surface exists,
* store that one. Otherwise, set the pointer to NULL.
*/
if( intrefcnt == 0 )
{
/*
* If the video port is using this interface, make it stop
*/
if( ( this_lcl->lpSurfMore->lpVideoPort != NULL ) &&
( this_lcl->lpSurfMore->lpVideoPort->lpSurface == this_int ) )
{
this_lcl->lpSurfMore->lpVideoPort->lpSurface = NULL;
}
/*
* The following code is to work around a design flaw.
* The implicitly created surfaces are not freed until the LCL is
* freed, but the attached list references the INT. Therefore, we
* can release an INT now and then try to reference it later when
* releasing the LCL. This happens most often when a second
* interface is created for the same LCL, such as ColorControl,
* Kernel, Surface2, etc.
*/
if( ( lclrefcnt > 0 ) &&
( ( GetAttachList( this_lcl ) != NULL ) ||
( GetAttachListFrom( this_lcl ) != NULL ) ) )
{
LPDDRAWI_DDRAWSURFACE_INT new_int;
LPATTACHLIST ptr1, ptr2;
/*
* Find the other INT that is using the LCL
*/
new_int = findOtherInterface(this_int, this_lcl, pdrv);
DDASSERT( new_int != NULL );
/*
* Update the surfaces attachements.
* We first go to all interfaces we are attached to and change
* their AttachListFrom to reference our new interface.
*/
ptr1 = GetAttachList( this_lcl );
while( ptr1 != NULL )
{
DDASSERT( ptr1->lpIAttached != this_int );
ptr2 = ptr1->lpAttached->lpAttachListFrom;
while( ptr2 != NULL )
{
if( ptr2->lpIAttached == this_int )
{
ptr2->lpIAttached = new_int;
}
ptr2 = ptr2->lpLink;
}
ptr1 = ptr1->lpLink;
}
/*
* We now go to all interfaces we are attached from and change
* their AttachList to reference our new interface.
*/
ptr1 = this_lcl->lpAttachListFrom;
while( ptr1 != NULL )
{
DDASSERT( ptr1->lpIAttached != this_int );
ptr2 = GetAttachList( ptr1->lpAttached );
while( ptr2 != NULL )
{
if( ptr2->lpIAttached == this_int )
{
ptr2->lpIAttached = new_int;
}
ptr2 = ptr2->lpLink;
}
ptr1 = ptr1->lpLink;
}
}
if( caps & DDSCAPS_PRIMARYSURFACE )
{
LPDDRAWI_DDRAWSURFACE_INT temp_int;
if( this_lcl->lpSurfMore->lpDD_lcl )
{
this_lcl->lpSurfMore->lpDD_lcl->lpPrimary = findOtherInterface(this_int, this_lcl, pdrv);
}
/*
* If an overlay is overlaying this surface, either make it use
* a new primary surface int or turn it off
*/
temp_int = pdrv->dsList;
while( temp_int != NULL )
{
if( temp_int->lpLcl->ddsCaps.dwCaps & DDSCAPS_OVERLAY )
{
if( temp_int->lpLcl->lpSurfaceOverlaying == this_int )
{
if( lclrefcnt > 0 )
{
temp_int->lpLcl->lpSurfaceOverlaying =
findOtherInterface(this_int, this_lcl, pdrv);
DDASSERT( temp_int != NULL );
}
else
{
temp_int->lpLcl->lpSurfaceOverlaying = NULL;
}
if( ( temp_int->lpLcl->lpSurfaceOverlaying == NULL ) &&
( temp_int->lpLcl->ddsCaps.dwCaps & DDSCAPS_VISIBLE ))
{
LPDDHALSURFCB_UPDATEOVERLAY uohalfn;
LPDDHALSURFCB_UPDATEOVERLAY uofn;
DWORD rc;
DDHAL_UPDATEOVERLAYDATA uod;
/*
* Turn off the overlay
*/
uofn = pdrv_lcl->lpDDCB->HALDDSurface.UpdateOverlay;
uohalfn = pdrv_lcl->lpDDCB->cbDDSurfaceCallbacks.UpdateOverlay;
DDASSERT( uohalfn != NULL );
DPF( 2, "Turning off hardware overlay" );
uod.UpdateOverlay = uohalfn;
uod.lpDD = pdrv;
uod.lpDDSrcSurface = temp_int->lpLcl;
uod.lpDDDestSurface = NULL;
uod.dwFlags = DDOVER_HIDE;
DOHALCALL( UpdateOverlay, uofn, uod, rc, FALSE );
temp_int->lpLcl->ddsCaps.dwCaps &= ~DDSCAPS_VISIBLE;
}
}
}
temp_int = temp_int->lpLink;
}
}
#ifdef SHAREDZ
if( caps & DDSCAPS_SHAREDBACKBUFFER )
{
if( this_lcl->lpSurfMore->lpDD_lcl )
{
this_lcl->lpSurfMore->lpDD_lcl->lpSharedBack = findOtherInterface(this_int, this_lcl, pdrv);
}
}
if( caps & DDSCAPS_SHAREDZBUFFER )
{
if( this_lcl->lpSurfMore->lpDD_lcl )
{
this_lcl->lpSurfMore->lpDD_lcl->lpSharedZ = findOtherInterface(this_int, this_lcl, pdrv);
}
}
#endif
}
/*
* free the object if needed
*/
if( do_free && !bLightweight )
{
this_lcl->lpGbl = NULL;
#ifdef WINNT
/*
* Free the associated NT kernel-mode object only if it is a vram surface, it is not
* an execute buffer, and it has not yet been freed in the kernel
*/
if (!(caps & (DDSCAPS_SYSTEMMEMORY) ) && this_lcl->hDDSurface )
{
DPF(5,"Deleting NT kernel-mode object handle %08x",this_lcl->hDDSurface);
if (!DdDeleteSurfaceObject(this_lcl))
DPF(5,"DdDeleteSurfaceObject failed");
}
#endif
MemFree( this_lcl );
}
/*
* interface at zero?
*/
if(( intrefcnt == 0) && (!bDX8 || bPrimaryChain))
{
/*
* remove surface from list of all surfaces
*/
curr_int = pdrv->dsList;
last_int = NULL;
while( curr_int != this_int )
{
last_int = curr_int;
curr_int = curr_int->lpLink;
if( curr_int == NULL )
{
DPF_ERR( "Surface not in list!" );
return 0;
}
}
if( last_int == NULL )
{
pdrv->dsList = pdrv->dsList->lpLink;
}
else
{
last_int->lpLink = curr_int->lpLink;
}
curr_int->lpLink = pdrv->dsFreeList;
pdrv->dsFreeList = curr_int;
DUMPREFTRACK(this_int);
}
if (( 0 == lclrefcnt) && !bLightweight )
{
if (!bDX8 || bPrimaryChain)
{
/*
* remove surface from list of all surfaces
*/
curr_int = pdrv->dsFreeList;
last_int = NULL;
while( curr_int )
{
LPDDRAWI_DDRAWSURFACE_INT temp_int = curr_int->lpLink;
DDASSERT(0 == curr_int->dwIntRefCnt);
if (curr_int->lpLcl == this_lcl)
{
if( last_int == NULL )
{
pdrv->dsFreeList = temp_int;
}
else
{
last_int->lpLink = temp_int;
}
/*
* just in case someone comes back in with this pointer, set
* an invalid vtbl & data ptr.
*/
curr_int->lpVtbl = NULL;
curr_int->lpLcl = NULL;
MemFree( curr_int );
}
else
{
last_int = curr_int;
}
curr_int = temp_int;
}
}
else
{
this_int->lpVtbl = NULL;
this_int->lpLcl = NULL;
MemFree( this_int );
}
}
/*
* If the surface took a ref count on the ddraw object that created it,
* release that ref now as the very last thing.
* We don't want to do this on ddhelp's thread cuz it really mucks up the
* process cleanup stuff.
*/
if (pOwner && (dwHelperPid != GetCurrentProcessId()) )
{
pOwner->lpVtbl->Release(pOwner);
}
return intrefcnt;
} /* InternalSurfaceRelease */
/*
* DD_Surface_Release
*
* Done with a surface. if no one else is using it, then we can free it.
*/
ULONG DDAPI DD_Surface_Release( LPDIRECTDRAWSURFACE lpDDSurface )
{
LPDDRAWI_DDRAWSURFACE_INT this_int;
LPDDRAWI_DDRAWSURFACE_LCL this_lcl;
DWORD rc;
LPDDRAWI_DIRECTDRAW_GBL pdrv;
LPDDRAWI_DDRAWSURFACE_INT pparentsurf_int;
ENTER_DDRAW();
DPF(2,A,"ENTERAPI: DD_Surface_Release");
TRY
{
this_int = (LPDDRAWI_DDRAWSURFACE_INT) lpDDSurface;
if( !VALIDEX_DIRECTDRAWSURFACE_PTR( this_int ) )
{
DPF_ERR( "Invalid surface pointer" );
LEAVE_DDRAW();
return 0;
}
this_lcl = this_int->lpLcl;
pdrv = this_lcl->lpGbl->lpDD;
}
EXCEPT( EXCEPTION_EXECUTE_HANDLER )
{
DPF_ERR( "Exception encountered validating parameters" );
LEAVE_DDRAW();
return 0;
}
/*
* If this surface is already being freed, immediately return to
* prevent recursion.
*/
if( this_lcl->dwFlags & DDRAWISURF_ISFREE )
{
DPF(4, "Leaving Release early to prevent recursion" );
LEAVE_DDRAW();
return 0;
}
if ( this_int->dwIntRefCnt == 0 )
{
DPF_ERR( "Interface pointer has 0 ref count!" );
LEAVE_DDRAW();
return 0;
}
/*
* If this surface is part of a mip-map chain then we will need
* to update its parent map's mip-map count.
*/
pparentsurf_int = NULL;
if( this_lcl->ddsCaps.dwCaps & DDSCAPS_MIPMAP )
pparentsurf_int = FindParentMipMap( this_int );
rc = InternalSurfaceRelease( this_int, FALSE, FALSE );
#ifdef REFTRACKING
if (rc)
{
RELEASETRACK(lpDDSurface);
}
#endif
/*
* Update the parent's mip-map count if necessary
* (if the surface really has gone and if the mip-map
* has a parent).
*/
if( ( rc == 0UL ) && ( pparentsurf_int != NULL ) )
UpdateMipMapCount( pparentsurf_int );
LEAVE_DDRAW();
return rc;
} /* DD_Surface_Release */
/*
* ProcessSurfaceCleanup
*
* A process is done, clean up any surfaces that it may have locked.
*
* NOTE: we enter with a lock taken on the DIRECTDRAW object.
*/
void ProcessSurfaceCleanup( LPDDRAWI_DIRECTDRAW_GBL pdrv, DWORD pid, LPDDRAWI_DIRECTDRAW_LCL pdrv_lcl )
{
LPDDRAWI_DDRAWSURFACE_INT psurf_int;
LPDDRAWI_DDRAWSURFACE_LCL psurf_lcl;
LPDDRAWI_DDRAWSURFACE_GBL psurf;
LPDDRAWI_DDRAWSURFACE_INT psnext_int;
DWORD rcnt;
ULONG rc;
/*
* run through all surfaces owned by the driver object, and find ones
* that have been accessed by this process. If the pdrv_lcl parameter
* is non-null, only delete surfaces created by that local driver object.
*/
psurf_int = pdrv->dsList;
DPF( 4, "ProcessSurfaceCleanup" );
while( psurf_int != NULL )
{
psurf_lcl = psurf_int->lpLcl;
psurf = psurf_lcl->lpGbl;
psnext_int = psurf_int->lpLink;
rc = 1;
if( ( psurf_lcl->dwProcessId == pid ) &&
( (NULL == pdrv_lcl) || (psurf_lcl->lpSurfMore->lpDD_lcl == pdrv_lcl) ) )
{
if( NULL == pdrv_lcl )
{
/*
* If no local driver object is passed in then we are being called
* due to process termination. In this case we can't release
* the Direct3D objects as they no longer exist (Direct3D is a
* local DLL and dies with the application along with its objects)
* Hence, free all the nodes on the IUnknown list and NULL the
* list out to prevent InternalSurfaceRelease() from trying to
* free them.
*/
DPF( 4, "Discarding Direct3D surface interfaces - process terminated" );
FreeIUnknowns( psurf_lcl, FALSE );
}
/*
* release the references by this process
*/
rcnt = psurf_int->dwIntRefCnt;
DPF( 5, "Process %08lx had %ld accesses to surface %08lx", pid, rcnt, psurf_int );
while( rcnt > 0 )
{
if(!(psurf_lcl->dwFlags & DDRAWISURF_IMPLICITCREATE) )
{
rc = InternalSurfaceRelease( psurf_int, FALSE, FALSE );
// Multiple surfaces may be released in the call to InternalSurfaceRelease
// so we must start again at the beginning of the list.
psnext_int = pdrv->dsList;
if( rc == 0 )
{
break;
}
}
rcnt--;
}
}
else
{
DPF( 5, "Process %08lx had no accesses to surface %08lx", pid, psurf_int );
}
psurf_int = psnext_int;
}
DPF( 4, "Leaving ProcessSurfaceCleanup");
} /* ProcessSurfaceCleanup */
void FreeD3DSurfaceIUnknowns( LPDDRAWI_DIRECTDRAW_GBL pdrv, DWORD pid, LPDDRAWI_DIRECTDRAW_LCL pdrv_lcl )
{
LPDDRAWI_DDRAWSURFACE_INT psurf_int = pdrv->dsList;
while( psurf_int != NULL )
{
LPDDRAWI_DDRAWSURFACE_LCL psurf_lcl = psurf_int->lpLcl;
LPDDRAWI_DDRAWSURFACE_INT psnext_int = psurf_int->lpLink;
if( ( psurf_lcl->dwProcessId == pid ) &&
(psurf_lcl->lpSurfMore->lpDD_lcl == pdrv_lcl) )
{
DPF( 4, "Release Direct3D surface interfaces" );
FreeIUnknowns( psurf_lcl, TRUE );
}
psurf_int = psnext_int;
}
} /* FreeD3DSurfaceIUnknowns */