| 1 | /* $Id: VBoxMPVbva.h 37626 2011-06-24 12:01:33Z vboxsync $ */
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| 2 |
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| 3 | /** @file
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| 4 | * VBox WDDM Miniport driver
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2011 Oracle Corporation
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | */
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| 18 |
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| 19 | #ifndef ___VBoxMPVbva_h___
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| 20 | #define ___VBoxMPVbva_h___
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| 21 |
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| 22 | typedef struct VBOXVBVAINFO
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| 23 | {
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| 24 | VBOXVIDEOOFFSET offVBVA;
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| 25 | uint32_t cbVBVA;
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| 26 | VBVABUFFER *pVBVA;
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| 27 | BOOL fHwBufferOverflow;
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| 28 | VBVARECORD *pRecord;
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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 vboxVbvaReportCmdOffset(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva, uint32_t offCmd);
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| 38 | int vboxVbvaReportDirtyRect(PVBOXMP_DEVEXT pDevExt, struct VBOXWDDM_SOURCE *pSrc, RECT *pRectOrig);
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| 39 | BOOL vboxVbvaBufferBeginUpdate(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva);
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| 40 | void vboxVbvaBufferEndUpdate(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva);
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| 41 |
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| 42 | #define VBOXVBVA_OP(_op, _pdext, _psrc, _arg) \
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| 43 | do { \
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| 44 | if (vboxVbvaBufferBeginUpdate(_pdext, &(_psrc)->Vbva)) \
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| 45 | { \
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| 46 | vboxVbva##_op(_pdext, _psrc, _arg); \
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| 47 | vboxVbvaBufferEndUpdate(_pdext, &(_psrc)->Vbva); \
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| 48 | } \
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| 49 | } while (0)
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| 50 |
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| 51 | #define VBOXVBVA_OP_WITHLOCK_ATDPC(_op, _pdext, _psrc, _arg) \
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| 52 | do { \
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| 53 | Assert(KeGetCurrentIrql() == DISPATCH_LEVEL); \
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| 54 | KeAcquireSpinLockAtDpcLevel(&(_psrc)->Vbva.Lock); \
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| 55 | VBOXVBVA_OP(_op, _pdext, _psrc, _arg); \
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| 56 | KeReleaseSpinLockFromDpcLevel(&(_psrc)->Vbva.Lock);\
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| 57 | } while (0)
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| 58 |
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| 59 | #define VBOXVBVA_OP_WITHLOCK(_op, _pdext, _psrc, _arg) \
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| 60 | do { \
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| 61 | KIRQL OldIrql; \
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| 62 | KeAcquireSpinLock(&(_psrc)->Vbva.Lock, &OldIrql); \
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| 63 | VBOXVBVA_OP(_op, _pdext, _psrc, _arg); \
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| 64 | KeReleaseSpinLock(&(_psrc)->Vbva.Lock, OldIrql); \
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| 65 | } while (0)
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| 66 |
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| 67 |
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| 68 | #endif /* #ifndef ___VBoxMPVbva_h___ */
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