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/* $Id: VBoxDisplay.cpp $ */
/** @file
* VBoxDisplayService, Haiku Guest Additions, implementation.
*/
/*
* Copyright (C) 2012-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/*
* This code is based on:
*
* VirtualBox Guest Additions for Haiku.
* Copyright (c) 2011 Mike Smith <mike@scgtrp.net>
* François Revol <revol@free.fr>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <new>
#include <DataIO.h>
#include <Message.h>
#include <TranslationUtils.h>
#include <TranslatorFormats.h>
#include <TranslatorRoster.h>
#include <String.h>
#include "VBoxGuestApplication.h"
#include "VBoxDisplay.h"
#include <VBoxGuestInternal.h>
#include "../VBoxVideo/common/VBoxVideo_common.h"
#include <iprt/mem.h>
#include <VBox/log.h>
#ifdef DEBUG_ramshankar
# undef Log
# define Log(x) printf x
# undef LogRel
# define LogRel(x) printf x
# undef LogRelFlowFunc
# define LogRelFlowFunc(x) printf x
#endif
VBoxDisplayService::VBoxDisplayService()
: BHandler("VBoxDisplayService"),
fClientId(-1),
fServiceThreadID(-1),
fExiting(false),
fScreen(B_MAIN_SCREEN_ID)
{
}
VBoxDisplayService::~VBoxDisplayService()
{
}
void VBoxDisplayService::Start()
{
status_t err;
err = fServiceThreadID = spawn_thread(_ServiceThreadNub, "VBoxDisplayService", B_NORMAL_PRIORITY, this);
if (err >= B_OK)
resume_thread(fServiceThreadID);
else
LogRel(("VBoxDisplayService: Error starting service thread: %s\n", strerror(err)));
}
void VBoxDisplayService::MessageReceived(BMessage *message)
{
if (message->what == B_QUIT_REQUESTED)
fExiting = true;
else
BHandler::MessageReceived(message);
}
status_t VBoxDisplayService::_ServiceThreadNub(void *_this)
{
VBoxDisplayService *service = (VBoxDisplayService *)_this;
return service->_ServiceThread();
}
status_t VBoxDisplayService::_ServiceThread()
{
LogFlow(("VBoxDisplayService::_ServiceThread"));
VbglR3CtlFilterMask(VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST, 0);
VbglR3SetGuestCaps(VMMDEV_GUEST_SUPPORTS_GRAPHICS, 0);
for (;;)
{
uint32_t events;
int rc = VbglR3WaitEvent(VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST, 5000, &events);
if ( rc == VERR_TIMEOUT
|| rc == VERR_INTERRUPTED)
continue;
if (RT_SUCCESS(rc))
{
uint32_t cx, cy, cBits, iDisplay;
int rc2 = VbglR3GetDisplayChangeRequest(&cx, &cy, &cBits, &iDisplay, NULL, NULL, NULL, NULL, true);
LogFlow(("rc2=%d screen %d size changed (%d, %d, %d)\n", rc2, iDisplay, cx, cy, cBits));
if (RT_SUCCESS(rc2))
{
display_mode mode;
fScreen.GetMode(&mode);
if (cBits == 0)
cBits = get_depth_for_color_space(mode.space);
mode.timing.h_display = cx;
mode.timing.v_display = cy;
mode.space = get_color_space_for_depth(cBits);
mode.virtual_width = cx;
mode.virtual_height = cy;
/*= {
{0, cx, 0, 0, cBits * cx / 8, cy, 0, 0, cBits * cy / 8, 0},
get_color_space_for_depth(cBits),
cx, cy, 0, 0, 0
};*/
fScreen.SetMode(&mode, false);
}
}
else
fExiting = true;
LogFlow(("processed host event rc = %d\n", rc));
if (fExiting)
break;
}
return 0;
}
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