| 1 | /*
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| 2 | * Copyright (C) 2010 Oracle Corporation
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| 3 | *
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| 4 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 5 | * available from http://www.virtualbox.org. This file is free software;
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| 6 | * you can redistribute it and/or modify it under the terms of the GNU
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| 7 | * General Public License (GPL) as published by the Free Software
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| 8 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 9 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 10 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 11 | */
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| 12 | #ifndef ___VBoxVideoVbva_h___
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| 13 | #define ___VBoxVideoVbva_h___
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| 14 |
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| 15 | typedef struct VBOXVBVAINFO
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| 16 | {
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| 17 | VBOXVIDEOOFFSET offVBVA;
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| 18 | uint32_t cbVBVA;
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| 19 | VBVABUFFER *pVBVA;
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| 20 | BOOL fHwBufferOverflow;
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| 21 | VBVARECORD *pRecord;
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| 22 | D3DDDI_VIDEO_PRESENT_SOURCE_ID srcId;
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| 23 | KSPIN_LOCK Lock;
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| 24 | } VBOXVBVAINFO;
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| 25 |
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| 26 | int vboxVbvaEnable (struct _DEVICE_EXTENSION* pDevExt, VBOXVBVAINFO *pVbva);
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| 27 | int vboxVbvaDisable (struct _DEVICE_EXTENSION* pDevExt, VBOXVBVAINFO *pVbva);
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| 28 | int vboxVbvaDestroy(PDEVICE_EXTENSION pDevExt, VBOXVBVAINFO *pVbva);
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| 29 | int vboxVbvaCreate(struct _DEVICE_EXTENSION* pDevExt, VBOXVBVAINFO *pVbva, ULONG offBuffer, ULONG cbBuffer, D3DDDI_VIDEO_PRESENT_SOURCE_ID srcId);
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| 30 | int vboxVbvaReportCmdOffset (struct _DEVICE_EXTENSION* pDevExt, VBOXVBVAINFO *pVbva, uint32_t offCmd);
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| 31 | int vboxVbvaReportDirtyRect (struct _DEVICE_EXTENSION* pDevExt, VBOXVBVAINFO *pVbva, RECT *pRectOrig);
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| 32 | BOOL vboxVbvaBufferBeginUpdate (struct _DEVICE_EXTENSION* pDevExt, VBOXVBVAINFO *pVbva);
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| 33 | void vboxVbvaBufferEndUpdate (struct _DEVICE_EXTENSION* pDevExt, VBOXVBVAINFO *pVbva);
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| 34 |
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| 35 | #define VBOXVBVA_OP(_op, _pdext, _pvbva, _arg) \
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| 36 | do { \
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| 37 | if (vboxVbvaBufferBeginUpdate(_pdext, _pvbva)) \
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| 38 | { \
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| 39 | vboxVbva##_op(_pdext, _pvbva, _arg); \
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| 40 | vboxVbvaBufferEndUpdate(_pdext, _pvbva); \
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| 41 | } \
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| 42 | } while (0)
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| 43 |
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| 44 | #define VBOXVBVA_OP_WITHLOCK_ATDPC(_op, _pdext, _pvbva, _arg) \
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| 45 | do { \
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| 46 | KeAcquireSpinLockAtDpcLevel(&(_pvbva)->Lock); \
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| 47 | VBOXVBVA_OP(_op, _pdext, _pvbva, _arg); \
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| 48 | KeReleaseSpinLockFromDpcLevel(&(_pvbva)->Lock);\
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| 49 | } while (0)
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| 50 |
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| 51 | #define VBOXVBVA_OP_WITHLOCK(_op, _pdext, _pvbva, _arg) \
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| 52 | do { \
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| 53 | KIRQL OldIrql; \
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| 54 | KeAcquireSpinLock(&(_pvbva)->Lock, &OldIrql); \
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| 55 | VBOXVBVA_OP(_op, _pdext, _pvbva, _arg); \
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| 56 | KeReleaseSpinLock(&(_pvbva)->Lock, OldIrql); \
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| 57 | } while (0)
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| 58 |
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| 59 |
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| 60 | #endif /* #ifndef ___VBoxVideoVbva_h___ */
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