VBoxGuestR3LibVideo.cpp revision 5c320d1b52e5e4ae280cd680c2c64de5f5f13d22
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/* $Id$ */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/** @file
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * VBoxGuestR3Lib - Ring-3 Support Library for VirtualBox guest additions, Video.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/*
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Copyright (C) 2007-2009 Sun Microsystems, Inc.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * available from http://www.virtualbox.org. This file is free software;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * you can redistribute it and/or modify it under the terms of the GNU
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * General Public License (GPL) as published by the Free Software
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * The contents of this file may alternatively be used under the terms
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * of the Common Development and Distribution License Version 1.0
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * VirtualBox OSE distribution, in which case the provisions of the
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * CDDL are applicable instead of those of the GPL.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * You may elect to license modified versions of this file under the
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * terms and conditions of either the GPL or the CDDL or both.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
032a52c5b2984e26e84c2961f8f7f98a3954c8f2vboxsync * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * additional information or have any questions.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/*******************************************************************************
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync* Header Files *
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync*******************************************************************************/
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <iprt/assert.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <iprt/mem.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <iprt/string.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <VBox/log.h>
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include <VBox/HostServices/GuestPropertySvc.h> /* For Save and RetrieveVideoMode */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#include "VBGLR3Internal.h"
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync#define VIDEO_PROP_PREFIX "/VirtualBox/GuestAdd/Vbgl/Video/"
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/**
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Enable or disable video acceleration.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @returns VBox status code.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param fEnable Pass zero to disable, any other value to enable.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncVBGLR3DECL(int) VbglR3VideoAccelEnable(bool fEnable)
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync{
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync VMMDevVideoAccelEnable Req;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync vmmdevInitRequest(&Req.header, VMMDevReq_VideoAccelEnable);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync Req.u32Enable = fEnable;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync Req.cbRingBuffer = VBVA_RING_BUFFER_SIZE;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync Req.fu32Status = 0;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync return vbglR3GRPerform(&Req.header);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync}
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/**
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Flush the video buffer.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @returns VBox status code.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncVBGLR3DECL(int) VbglR3VideoAccelFlush(void)
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync{
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync VMMDevVideoAccelFlush Req;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync vmmdevInitRequest(&Req.header, VMMDevReq_VideoAccelFlush);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync return vbglR3GRPerform(&Req.header);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync}
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync/**
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * Send mouse pointer shape information to the host.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @returns VBox status code.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync *
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param fFlags Mouse pointer flags.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param xHot X coordinate of hot spot.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param yHot Y coordinate of hot spot.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param cx Pointer width.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param cy Pointer height.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param pvImg Pointer to the image data (can be NULL).
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync * @param cbImg Size of the image data pointed to by pvImg.
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync */
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsyncVBGLR3DECL(int) VbglR3SetPointerShape(uint32_t fFlags, uint32_t xHot, uint32_t yHot, uint32_t cx, uint32_t cy, const void *pvImg, size_t cbImg)
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync{
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync VMMDevReqMousePointer *pReq;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync int rc = vbglR3GRAlloc((VMMDevRequestHeader **)&pReq, RT_OFFSETOF(VMMDevReqMousePointer, pointerData) + cbImg, VMMDevReq_SetPointerShape);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (RT_SUCCESS(rc))
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync {
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync pReq->fFlags = fFlags;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync pReq->xHot = xHot;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync pReq->yHot = yHot;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync pReq->width = cx;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync pReq->height = cy;
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (pvImg)
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync memcpy(pReq->pointerData, pvImg, cbImg);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync rc = vbglR3GRPerform(&pReq->header);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync vbglR3GRFree(&pReq->header);
3a4a6501d0ccd629d9951b644d380c7bb2d46086vboxsync if (RT_SUCCESS(rc))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync rc = pReq->header.rc;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync }
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync return rc;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync}
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync/**
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * Send mouse pointer shape information to the host.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * This version of the function accepts a request for clients that
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * already allocate and manipulate the request structure directly.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @returns VBox status code.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param pReq Pointer to the VMMDevReqMousePointer structure.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsyncVBGLR3DECL(int) VbglR3SetPointerShapeReq(VMMDevReqMousePointer *pReq)
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync{
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync int rc = vbglR3GRPerform(&pReq->header);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (RT_SUCCESS(rc))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync rc = pReq->header.rc;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync return rc;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync}
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync/**
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * Query the last display change request sent from the host to the guest.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @returns iprt status value
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param pcx Where to store the horizontal pixel resolution
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * requested (a value of zero means do not change).
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param pcy Where to store the vertical pixel resolution
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * requested (a value of zero means do not change).
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param pcBits Where to store the bits per pixel requested (a value
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * of zero means do not change).
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param iDisplay Where to store the display number the request was for
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * - 0 for the primary display, 1 for the first
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * secondary display, etc.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param fAck whether or not to acknowlege the newest request sent by
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * the host. If this is set, the function will return the
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * most recent host request, otherwise it will return the
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * last request to be acknowleged.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsyncVBGLR3DECL(int) VbglR3GetDisplayChangeRequest(uint32_t *pcx, uint32_t *pcy, uint32_t *pcBits, uint32_t *piDisplay, bool fAck)
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync{
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync VMMDevDisplayChangeRequest2 Req;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync#ifndef VBOX_VBGLR3_XFREE86
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync AssertPtrReturn(pcx, VERR_INVALID_PARAMETER);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync AssertPtrReturn(pcy, VERR_INVALID_PARAMETER);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync AssertPtrReturn(pcBits, VERR_INVALID_PARAMETER);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync AssertPtrReturn(piDisplay, VERR_INVALID_PARAMETER);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync#endif
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync RT_ZERO(Req);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync vmmdevInitRequest(&Req.header, VMMDevReq_GetDisplayChangeRequest2);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (fAck)
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync Req.eventAck = VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync int rc = vbglR3GRPerform(&Req.header);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (RT_SUCCESS(rc))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync rc = Req.header.rc;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (RT_SUCCESS(rc))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync {
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *pcx = Req.xres;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *pcy = Req.yres;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *pcBits = Req.bpp;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *piDisplay = Req.display;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync }
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync return rc;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync}
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync/**
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * Query the host as to whether it likes a specific video mode.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @returns the result of the query
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param cx the width of the mode being queried
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param cy the height of the mode being queried
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param cBits the bpp of the mode being queried
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsyncVBGLR3DECL(bool) VbglR3HostLikesVideoMode(uint32_t cx, uint32_t cy, uint32_t cBits)
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync{
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync bool fRc = true; /* If for some reason we can't contact the host then
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * we like everything. */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync int rc;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync VMMDevVideoModeSupportedRequest req;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync vmmdevInitRequest(&req.header, VMMDevReq_VideoModeSupported);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync req.width = cx;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync req.height = cy;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync req.bpp = cBits;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync req.fSupported = true;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync rc = vbglR3GRPerform(&req.header);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (RT_SUCCESS(rc) && RT_SUCCESS(req.header.rc))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync fRc = req.fSupported;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync return fRc;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync}
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync/**
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * Save video mode parameters to the registry.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @returns iprt status value
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param pszName the name to save the mode parameters under
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param cx mode width
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param cy mode height
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param cBits bits per pixel for the mode
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsyncVBGLR3DECL(int) VbglR3SaveVideoMode(const char *pszName, uint32_t cx, uint32_t cy, uint32_t cBits)
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync{
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync#if defined(VBOX_WITH_GUEST_PROPS) && !defined(VBOX_VBGLR3_XFREE86)
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync using namespace guestProp;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync char szModeName[MAX_NAME_LEN];
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync char szModeParms[MAX_VALUE_LEN];
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync uint32_t u32ClientId = 0;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync RTStrPrintf(szModeName, sizeof(szModeName), VIDEO_PROP_PREFIX"%s", pszName);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync RTStrPrintf(szModeParms, sizeof(szModeParms), "%dx%dx%d", cx, cy, cBits);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync int rc = VbglR3GuestPropConnect(&u32ClientId);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (RT_SUCCESS(rc))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync rc = VbglR3GuestPropWriteValue(u32ClientId, szModeName, szModeParms);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (u32ClientId != 0)
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync VbglR3GuestPropDisconnect(u32ClientId); /* Return value ignored, because what can we do anyway? */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync return rc;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync#else /* !VBOX_WITH_GUEST_PROPS || VBOX_VBGLR3_XFREE86 */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync return VERR_NOT_IMPLEMENTED;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync#endif /* !VBOX_WITH_GUEST_PROPS || VBOX_VBGLR3_XFREE86 */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync}
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync/**
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * Retrieve video mode parameters from the guest property store.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @returns iprt status value
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param pszName the name under which the mode parameters are saved
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param pcx where to store the mode width
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param pcy where to store the mode height
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * @param pcBits where to store the bits per pixel for the mode
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsyncVBGLR3DECL(int) VbglR3RetrieveVideoMode(const char *pszName, uint32_t *pcx, uint32_t *pcy, uint32_t *pcBits)
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync{
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync#if defined(VBOX_WITH_GUEST_PROPS) && !defined(VBOX_VBGLR3_XFREE86)
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync using namespace guestProp;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync/*
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * First we retreive the video mode which is saved as a string in the
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * guest property store.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync /* The buffer for VbglR3GuestPropReadValue. If this is too small then
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * something is wrong with the data stored in the property. */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync char szModeParms[1024];
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync uint32_t u32ClientId = 0;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync uint32_t cx, cy, cBits;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync int rc = VbglR3GuestPropConnect(&u32ClientId);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (RT_SUCCESS(rc))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync {
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync char szModeName[MAX_NAME_LEN];
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync RTStrPrintf(szModeName, sizeof(szModeName), VIDEO_PROP_PREFIX"%s", pszName);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync /** @todo add a VbglR3GuestPropReadValueF/FV that does the RTStrPrintf for you. */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync rc = VbglR3GuestPropReadValue(u32ClientId, szModeName, szModeParms,
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync sizeof(szModeParms), NULL);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync }
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync/*
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * Now we convert the string returned to numeric values.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync char *pszNext;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (RT_SUCCESS(rc))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync /* Extract the width from the string */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync rc = RTStrToUInt32Ex(szModeParms, &pszNext, 10, &cx);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if ((rc != VWRN_TRAILING_CHARS) || (*pszNext != 'x'))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync rc = VERR_PARSE_ERROR;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (RT_SUCCESS(rc))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync {
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync /* Extract the height from the string */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync ++pszNext;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync rc = RTStrToUInt32Ex(pszNext, &pszNext, 10, &cy);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync }
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if ((rc != VWRN_TRAILING_CHARS) || (*pszNext != 'x'))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync rc = VERR_PARSE_ERROR;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (RT_SUCCESS(rc))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync {
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync /* Extract the bpp from the string */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync ++pszNext;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync rc = RTStrToUInt32Full(pszNext, 10, &cBits);
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync }
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (rc != VINF_SUCCESS)
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync rc = VERR_PARSE_ERROR;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync/*
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync * And clean up and return the values if we successfully obtained them.
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (u32ClientId != 0)
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync VbglR3GuestPropDisconnect(u32ClientId); /* Return value ignored, because what can we do anyway? */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync if (RT_SUCCESS(rc))
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync {
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *pcx = cx;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *pcy = cy;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync *pcBits = cBits;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync }
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync return rc;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync#else /* !VBOX_WITH_GUEST_PROPS || VBOX_VBGLR3_XFREE86 */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync return VERR_NOT_IMPLEMENTED;
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync#endif /* !VBOX_WITH_GUEST_PROPS || VBOX_VBGLR3_XFREE86 */
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync}
4a1654dd5b9f0ae4e149d909843a3ab07b8bec33vboxsync