| 1 | /* $Id: VBoxMPVbva.cpp 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 | #include "VBoxMPWddm.h"
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| 19 | #include "common/VBoxMPCommon.h"
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| 20 |
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| 21 | /*
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| 22 | * Public hardware buffer methods.
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| 23 | */
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| 24 | int vboxVbvaEnable (PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva)
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| 25 | {
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| 26 | if (VBoxVBVAEnable(&pVbva->Vbva, &VBoxCommonFromDeviceExt(pDevExt)->guestCtx,
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| 27 | pVbva->Vbva.pVBVA, pVbva->srcId))
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| 28 | return VINF_SUCCESS;
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| 29 |
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| 30 | WARN(("VBoxVBVAEnable failed!"));
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| 31 | return VERR_GENERAL_FAILURE;
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| 32 | }
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| 33 |
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| 34 | int vboxVbvaDisable (PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva)
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| 35 | {
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| 36 | VBoxVBVADisable(&pVbva->Vbva, &VBoxCommonFromDeviceExt(pDevExt)->guestCtx, pVbva->srcId);
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| 37 | return VINF_SUCCESS;
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| 38 | }
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| 39 |
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| 40 | int vboxVbvaCreate(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva, ULONG offBuffer, ULONG cbBuffer, D3DDDI_VIDEO_PRESENT_SOURCE_ID srcId)
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| 41 | {
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| 42 | memset(pVbva, 0, sizeof(VBOXVBVAINFO));
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| 43 |
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| 44 | KeInitializeSpinLock(&pVbva->Lock);
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| 45 |
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| 46 | int rc = VBoxMPCmnMapAdapterMemory(VBoxCommonFromDeviceExt(pDevExt),
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| 47 | (void**)&pVbva->Vbva.pVBVA,
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| 48 | offBuffer,
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| 49 | cbBuffer);
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| 50 | if (RT_SUCCESS(rc))
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| 51 | {
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| 52 | Assert(pVbva->Vbva.pVBVA);
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| 53 | VBoxVBVASetupBufferContext(&pVbva->Vbva, offBuffer, cbBuffer);
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| 54 | pVbva->srcId = srcId;
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| 55 | }
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| 56 | else
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| 57 | {
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| 58 | WARN(("VBoxMPCmnMapAdapterMemory failed rc %d", rc));
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| 59 | }
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| 60 |
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| 61 |
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| 62 | return rc;
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| 63 | }
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| 64 |
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| 65 | int vboxVbvaDestroy(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva)
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| 66 | {
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| 67 | int rc = VINF_SUCCESS;
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| 68 | VBoxMPCmnUnmapAdapterMemory(VBoxCommonFromDeviceExt(pDevExt), (void**)&pVbva->Vbva.pVBVA);
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| 69 | memset(pVbva, 0, sizeof (VBOXVBVAINFO));
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| 70 | return rc;
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| 71 | }
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| 72 |
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| 73 | int vboxVbvaReportDirtyRect (PVBOXMP_DEVEXT pDevExt, PVBOXWDDM_SOURCE pSrc, RECT *pRectOrig)
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| 74 | {
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| 75 | VBVACMDHDR hdr;
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| 76 |
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| 77 | RECT rect = *pRectOrig;
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| 78 |
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| 79 | // if (rect.left < 0) rect.left = 0;
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| 80 | // if (rect.top < 0) rect.top = 0;
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| 81 | // if (rect.right > (int)ppdev->cxScreen) rect.right = ppdev->cxScreen;
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| 82 | // if (rect.bottom > (int)ppdev->cyScreen) rect.bottom = ppdev->cyScreen;
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| 83 |
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| 84 | hdr.x = (int16_t)rect.left;
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| 85 | hdr.y = (int16_t)rect.top;
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| 86 | hdr.w = (uint16_t)(rect.right - rect.left);
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| 87 | hdr.h = (uint16_t)(rect.bottom - rect.top);
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| 88 |
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| 89 | hdr.x += (int16_t)pSrc->VScreenPos.x;
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| 90 | hdr.y += (int16_t)pSrc->VScreenPos.y;
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| 91 |
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| 92 | if (VBoxVBVAWrite(&pSrc->Vbva.Vbva, &VBoxCommonFromDeviceExt(pDevExt)->guestCtx, &hdr, sizeof(hdr)))
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| 93 | return VINF_SUCCESS;
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| 94 |
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| 95 | WARN(("VBoxVBVAWrite failed"));
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| 96 | return VERR_GENERAL_FAILURE;
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| 97 | }
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