| 1 | /* $Id: VBoxMPVbva.h 98103 2023-01-17 14:15:46Z 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) 2011-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | #ifndef GA_INCLUDED_SRC_WINNT_Graphics_Video_mp_wddm_VBoxMPVbva_h
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| 29 | #define GA_INCLUDED_SRC_WINNT_Graphics_Video_mp_wddm_VBoxMPVbva_h
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| 30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 31 | # pragma once
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| 32 | #endif
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| 33 |
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| 34 | #include <VBox/cdefs.h> /* for VBOXCALL */
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| 35 |
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| 36 | typedef struct VBOXVBVAINFO
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| 37 | {
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| 38 | VBVABUFFERCONTEXT Vbva;
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| 39 | D3DDDI_VIDEO_PRESENT_SOURCE_ID srcId;
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| 40 | KSPIN_LOCK Lock;
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| 41 | } VBOXVBVAINFO;
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| 42 |
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| 43 | int vboxVbvaEnable(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva);
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| 44 | int vboxVbvaDisable(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva);
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| 45 | int vboxVbvaDestroy(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva);
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| 46 | int vboxVbvaCreate(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva, ULONG offBuffer, ULONG cbBuffer, D3DDDI_VIDEO_PRESENT_SOURCE_ID srcId);
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| 47 | int vboxVbvaReportDirtyRect(PVBOXMP_DEVEXT pDevExt, struct VBOXWDDM_SOURCE *pSrc, RECT *pRectOrig);
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| 48 |
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| 49 | #define VBOXVBVA_OP(_op, _pdext, _psrc, _arg) \
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| 50 | do { \
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| 51 | if (VBoxVBVABufferBeginUpdate(&(_psrc)->Vbva.Vbva, &VBoxCommonFromDeviceExt(_pdext)->guestCtx)) \
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| 52 | { \
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| 53 | vboxVbva##_op(_pdext, _psrc, _arg); \
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| 54 | VBoxVBVABufferEndUpdate(&(_psrc)->Vbva.Vbva); \
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| 55 | } \
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| 56 | } while (0)
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| 57 |
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| 58 | #define VBOXVBVA_OP_WITHLOCK_ATDPC(_op, _pdext, _psrc, _arg) \
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| 59 | do { \
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| 60 | Assert(KeGetCurrentIrql() == DISPATCH_LEVEL); \
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| 61 | KeAcquireSpinLockAtDpcLevel(&(_psrc)->Vbva.Lock); \
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| 62 | VBOXVBVA_OP(_op, _pdext, _psrc, _arg); \
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| 63 | KeReleaseSpinLockFromDpcLevel(&(_psrc)->Vbva.Lock);\
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| 64 | } while (0)
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| 65 |
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| 66 | #define VBOXVBVA_OP_WITHLOCK(_op, _pdext, _psrc, _arg) \
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| 67 | do { \
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| 68 | KIRQL OldIrql; \
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| 69 | KeAcquireSpinLock(&(_psrc)->Vbva.Lock, &OldIrql); \
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| 70 | VBOXVBVA_OP(_op, _pdext, _psrc, _arg); \
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| 71 | KeReleaseSpinLock(&(_psrc)->Vbva.Lock, OldIrql); \
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| 72 | } while (0)
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| 73 |
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| 74 | #endif /* !GA_INCLUDED_SRC_WINNT_Graphics_Video_mp_wddm_VBoxMPVbva_h */
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