| 1 | /* $Id: VBoxMPVbva.h 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox WDDM Miniport driver
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2011-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef GA_INCLUDED_SRC_WINNT_Graphics_Video_mp_wddm_VBoxMPVbva_h
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| 19 | #define GA_INCLUDED_SRC_WINNT_Graphics_Video_mp_wddm_VBoxMPVbva_h
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| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 21 | # pragma once
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| 22 | #endif
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| 23 |
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| 24 | #include <VBox/cdefs.h> /* for VBOXCALL */
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| 25 |
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| 26 | typedef struct VBOXVBVAINFO
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| 27 | {
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| 28 | VBVABUFFERCONTEXT Vbva;
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| 29 | D3DDDI_VIDEO_PRESENT_SOURCE_ID srcId;
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| 30 | KSPIN_LOCK Lock;
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| 31 | } VBOXVBVAINFO;
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| 32 |
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| 33 | int vboxVbvaEnable(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva);
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| 34 | int vboxVbvaDisable(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva);
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| 35 | int vboxVbvaDestroy(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva);
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| 36 | int vboxVbvaCreate(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva, ULONG offBuffer, ULONG cbBuffer, D3DDDI_VIDEO_PRESENT_SOURCE_ID srcId);
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| 37 | int vboxVbvaReportDirtyRect(PVBOXMP_DEVEXT pDevExt, struct VBOXWDDM_SOURCE *pSrc, RECT *pRectOrig);
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| 38 |
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| 39 | #define VBOXVBVA_OP(_op, _pdext, _psrc, _arg) \
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| 40 | do { \
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| 41 | if (VBoxVBVABufferBeginUpdate(&(_psrc)->Vbva.Vbva, &VBoxCommonFromDeviceExt(_pdext)->guestCtx)) \
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| 42 | { \
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| 43 | vboxVbva##_op(_pdext, _psrc, _arg); \
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| 44 | VBoxVBVABufferEndUpdate(&(_psrc)->Vbva.Vbva); \
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| 45 | } \
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| 46 | } while (0)
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| 47 |
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| 48 | #define VBOXVBVA_OP_WITHLOCK_ATDPC(_op, _pdext, _psrc, _arg) \
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| 49 | do { \
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| 50 | Assert(KeGetCurrentIrql() == DISPATCH_LEVEL); \
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| 51 | KeAcquireSpinLockAtDpcLevel(&(_psrc)->Vbva.Lock); \
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| 52 | VBOXVBVA_OP(_op, _pdext, _psrc, _arg); \
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| 53 | KeReleaseSpinLockFromDpcLevel(&(_psrc)->Vbva.Lock);\
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| 54 | } while (0)
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| 55 |
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| 56 | #define VBOXVBVA_OP_WITHLOCK(_op, _pdext, _psrc, _arg) \
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| 57 | do { \
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| 58 | KIRQL OldIrql; \
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| 59 | KeAcquireSpinLock(&(_psrc)->Vbva.Lock, &OldIrql); \
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| 60 | VBOXVBVA_OP(_op, _pdext, _psrc, _arg); \
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| 61 | KeReleaseSpinLock(&(_psrc)->Vbva.Lock, OldIrql); \
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| 62 | } while (0)
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| 63 |
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| 64 | #endif /* !GA_INCLUDED_SRC_WINNT_Graphics_Video_mp_wddm_VBoxMPVbva_h */
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