VBoxMPVbva.h revision b4c150c76d00ac5b8957b0148e2be234e567cf9a
/* $Id$ */
/** @file
* VBox WDDM Miniport driver
*/
/*
* Copyright (C) 2011 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#ifndef ___VBoxMPVbva_h___
#define ___VBoxMPVbva_h___
typedef struct VBOXVBVAINFO
{
VBVABUFFERCONTEXT Vbva;
D3DDDI_VIDEO_PRESENT_SOURCE_ID srcId;
KSPIN_LOCK Lock;
} VBOXVBVAINFO;
int vboxVbvaEnable(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva);
int vboxVbvaDisable(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva);
int vboxVbvaDestroy(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva);
int vboxVbvaCreate(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva, ULONG offBuffer, ULONG cbBuffer, D3DDDI_VIDEO_PRESENT_SOURCE_ID srcId);
int vboxVbvaReportCmdOffset(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva, uint32_t offCmd);
int vboxVbvaReportDirtyRect(PVBOXMP_DEVEXT pDevExt, struct VBOXWDDM_SOURCE *pSrc, RECT *pRectOrig);
#define VBOXVBVA_OP(_op, _pdext, _psrc, _arg) \
do { \
if (VBoxVBVABufferBeginUpdate(&(_psrc)->Vbva.Vbva, &VBoxCommonFromDeviceExt(_pdext)->guestCtx)) \
{ \
vboxVbva##_op(_pdext, _psrc, _arg); \
VBoxVBVABufferEndUpdate(&(_psrc)->Vbva.Vbva); \
} \
} while (0)
#define VBOXVBVA_OP_WITHLOCK_ATDPC(_op, _pdext, _psrc, _arg) \
do { \
Assert(KeGetCurrentIrql() == DISPATCH_LEVEL); \
KeAcquireSpinLockAtDpcLevel(&(_psrc)->Vbva.Lock); \
VBOXVBVA_OP(_op, _pdext, _psrc, _arg); \
KeReleaseSpinLockFromDpcLevel(&(_psrc)->Vbva.Lock);\
} while (0)
#define VBOXVBVA_OP_WITHLOCK(_op, _pdext, _psrc, _arg) \
do { \
KIRQL OldIrql; \
KeAcquireSpinLock(&(_psrc)->Vbva.Lock, &OldIrql); \
VBOXVBVA_OP(_op, _pdext, _psrc, _arg); \
KeReleaseSpinLock(&(_psrc)->Vbva.Lock, OldIrql); \
} while (0)
#endif /* #ifndef ___VBoxMPVbva_h___ */