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/* $Id$ */
/** @file
* VBox WDDM Miniport driver
*/
/*
* Copyright (C) 2011-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#ifndef GA_INCLUDED_SRC_WINNT_Graphics_Video_mp_wddm_VBoxMPVbva_h
#define GA_INCLUDED_SRC_WINNT_Graphics_Video_mp_wddm_VBoxMPVbva_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <VBox/cdefs.h> /* for VBOXCALL */
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 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 /* !GA_INCLUDED_SRC_WINNT_Graphics_Video_mp_wddm_VBoxMPVbva_h */
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