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/* $Id$ */
/** @file
* VBox WDDM Miniport driver
*/
/*
* Copyright (C) 2011-2022 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#include "VBoxMPWddm.h"
#include "common/VBoxMPCommon.h"
/*
* Public hardware buffer methods.
*/
int vboxVbvaEnable (PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva)
{
if (VBoxVBVAEnable(&pVbva->Vbva, &VBoxCommonFromDeviceExt(pDevExt)->guestCtx,
pVbva->Vbva.pVBVA, pVbva->srcId))
return VINF_SUCCESS;
WARN(("VBoxVBVAEnable failed!"));
return VERR_GENERAL_FAILURE;
}
int vboxVbvaDisable (PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva)
{
VBoxVBVADisable(&pVbva->Vbva, &VBoxCommonFromDeviceExt(pDevExt)->guestCtx, pVbva->srcId);
return VINF_SUCCESS;
}
int vboxVbvaCreate(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva, ULONG offBuffer, ULONG cbBuffer, D3DDDI_VIDEO_PRESENT_SOURCE_ID srcId)
{
memset(pVbva, 0, sizeof(VBOXVBVAINFO));
KeInitializeSpinLock(&pVbva->Lock);
int rc = VBoxMPCmnMapAdapterMemory(VBoxCommonFromDeviceExt(pDevExt),
(void**)&pVbva->Vbva.pVBVA,
offBuffer,
cbBuffer);
if (RT_SUCCESS(rc))
{
Assert(pVbva->Vbva.pVBVA);
VBoxVBVASetupBufferContext(&pVbva->Vbva, offBuffer, cbBuffer);
pVbva->srcId = srcId;
}
else
{
WARN(("VBoxMPCmnMapAdapterMemory failed rc %d", rc));
}
return rc;
}
int vboxVbvaDestroy(PVBOXMP_DEVEXT pDevExt, VBOXVBVAINFO *pVbva)
{
int rc = VINF_SUCCESS;
VBoxMPCmnUnmapAdapterMemory(VBoxCommonFromDeviceExt(pDevExt), (void**)&pVbva->Vbva.pVBVA);
memset(pVbva, 0, sizeof (VBOXVBVAINFO));
return rc;
}
int vboxVbvaReportDirtyRect (PVBOXMP_DEVEXT pDevExt, PVBOXWDDM_SOURCE pSrc, RECT *pRectOrig)
{
VBVACMDHDR hdr;
RECT rect = *pRectOrig;
// if (rect.left < 0) rect.left = 0;
// if (rect.top < 0) rect.top = 0;
// if (rect.right > (int)ppdev->cxScreen) rect.right = ppdev->cxScreen;
// if (rect.bottom > (int)ppdev->cyScreen) rect.bottom = ppdev->cyScreen;
hdr.x = (int16_t)rect.left;
hdr.y = (int16_t)rect.top;
hdr.w = (uint16_t)(rect.right - rect.left);
hdr.h = (uint16_t)(rect.bottom - rect.top);
hdr.x += (int16_t)pSrc->VScreenPos.x;
hdr.y += (int16_t)pSrc->VScreenPos.y;
if (VBoxVBVAWrite(&pSrc->Vbva.Vbva, &VBoxCommonFromDeviceExt(pDevExt)->guestCtx, &hdr, sizeof(hdr)))
return VINF_SUCCESS;
WARN(("VBoxVBVAWrite failed"));
return VERR_GENERAL_FAILURE;
}
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