| 1 | /* $Id: VBoxMPVbva.cpp 96407 2022-08-22 17:43:14Z 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) 2011-2022 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 | #include "VBoxMPWddm.h"
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| 29 | #include "common/VBoxMPCommon.h"
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| 30 |
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| 31 | /*
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| 32 | * Public hardware buffer methods.
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| 33 | */
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| 34 | int vboxVbvaEnable (PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva)
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| 35 | {
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| 36 | if (VBoxVBVAEnable(&pVbva->Vbva, &VBoxCommonFromDeviceExt(pDevExt)->guestCtx,
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| 37 | pVbva->Vbva.pVBVA, pVbva->srcId))
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| 38 | return VINF_SUCCESS;
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| 39 |
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| 40 | WARN(("VBoxVBVAEnable failed!"));
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| 41 | return VERR_GENERAL_FAILURE;
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| 42 | }
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| 43 |
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| 44 | int vboxVbvaDisable (PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva)
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| 45 | {
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| 46 | VBoxVBVADisable(&pVbva->Vbva, &VBoxCommonFromDeviceExt(pDevExt)->guestCtx, pVbva->srcId);
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| 47 | return VINF_SUCCESS;
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| 48 | }
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| 49 |
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| 50 | int vboxVbvaCreate(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva, ULONG offBuffer, ULONG cbBuffer, D3DDDI_VIDEO_PRESENT_SOURCE_ID srcId)
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| 51 | {
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| 52 | memset(pVbva, 0, sizeof(VBOXVBVAINFO));
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| 53 |
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| 54 | KeInitializeSpinLock(&pVbva->Lock);
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| 55 |
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| 56 | int rc = VBoxMPCmnMapAdapterMemory(VBoxCommonFromDeviceExt(pDevExt),
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| 57 | (void**)&pVbva->Vbva.pVBVA,
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| 58 | offBuffer,
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| 59 | cbBuffer);
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| 60 | if (RT_SUCCESS(rc))
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| 61 | {
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| 62 | Assert(pVbva->Vbva.pVBVA);
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| 63 | VBoxVBVASetupBufferContext(&pVbva->Vbva, offBuffer, cbBuffer);
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| 64 | pVbva->srcId = srcId;
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| 65 | }
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| 66 | else
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| 67 | {
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| 68 | WARN(("VBoxMPCmnMapAdapterMemory failed rc %d", rc));
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| 69 | }
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| 70 |
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| 71 |
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| 72 | return rc;
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| 73 | }
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| 74 |
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| 75 | int vboxVbvaDestroy(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva)
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| 76 | {
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| 77 | int rc = VINF_SUCCESS;
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| 78 | VBoxMPCmnUnmapAdapterMemory(VBoxCommonFromDeviceExt(pDevExt), (void**)&pVbva->Vbva.pVBVA);
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| 79 | memset(pVbva, 0, sizeof (VBOXVBVAINFO));
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| 80 | return rc;
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| 81 | }
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| 82 |
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| 83 | int vboxVbvaReportDirtyRect (PVBOXMP_DEVEXT pDevExt, PVBOXWDDM_SOURCE pSrc, RECT *pRectOrig)
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| 84 | {
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| 85 | VBVACMDHDR hdr;
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| 86 |
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| 87 | RECT rect = *pRectOrig;
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| 88 |
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| 89 | // if (rect.left < 0) rect.left = 0;
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| 90 | // if (rect.top < 0) rect.top = 0;
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| 91 | // if (rect.right > (int)ppdev->cxScreen) rect.right = ppdev->cxScreen;
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| 92 | // if (rect.bottom > (int)ppdev->cyScreen) rect.bottom = ppdev->cyScreen;
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| 93 |
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| 94 | hdr.x = (int16_t)rect.left;
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| 95 | hdr.y = (int16_t)rect.top;
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| 96 | hdr.w = (uint16_t)(rect.right - rect.left);
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| 97 | hdr.h = (uint16_t)(rect.bottom - rect.top);
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| 98 |
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| 99 | hdr.x += (int16_t)pSrc->VScreenPos.x;
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| 100 | hdr.y += (int16_t)pSrc->VScreenPos.y;
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| 101 |
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| 102 | if (VBoxVBVAWrite(&pSrc->Vbva.Vbva, &VBoxCommonFromDeviceExt(pDevExt)->guestCtx, &hdr, sizeof(hdr)))
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| 103 | return VINF_SUCCESS;
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| 104 |
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| 105 | WARN(("VBoxVBVAWrite failed"));
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| 106 | return VERR_GENERAL_FAILURE;
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| 107 | }
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