Differential D1230 Diff 18859 plugins/platforms/drm/remoteaccess_manager.cpp

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plugins/platforms/drm/remoteaccess_manager.cpp

  • This file was added.
1​/********************************************************************
2​ *
3​ KWin - the KDE window manager
4​ This file is part of the KDE project.
5​
6​Copyright (C) 2016 Oleg Chernovskiy <kanedias@xaker.ru>
7​
8​This program is free software; you can redistribute it and/or modify
9​it under the terms of the GNU General Public License as published by
10​the Free Software Foundation; either version 2 of the License, or
11​(at your option) any later version.
12​
13​This program is distributed in the hope that it will be useful,
14​but WITHOUT ANY WARRANTY; without even the implied warranty of
15​MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16​GNU General Public License for more details.
17​
18​You should have received a copy of the GNU General Public License
19​along with this program. If not, see <http://www.gnu.org/licenses/>.
20​*********************************************************************/
21​#include "drm_output.h"
22​#include "remoteaccess_manager.h"
23​#include "logging.h"
24​
25​// system
26​#include <KWayland/Server/output_interface.h>
27​#include <unistd.h>
28​#include <gbm.h>
29​
30​namespace KWin
31​{
32​
33​RemoteAccessManager::RemoteAccessManager(QObject *parent)
34​ : QObject(parent)
35​{
36​ if (waylandServer()) {
37​ m_interface = waylandServer()->display()->createRemoteAccessManager(this);
38​ m_interface->create();
39​
40​ connect(m_interface, &RemoteAccessManagerInterface::bufferReleased,
41​ this, &RemoteAccessManager::releaseBuffer);
42​ }
43​}
44​
45​RemoteAccessManager::~RemoteAccessManager()
46​{
47​ if (m_interface) {
48​ m_interface->destroy();
49​ }
50​}
51​
52​void RemoteAccessManager::releaseBuffer(const BufferHandle *buf)
53​{
54​ int ret = close(buf->fd());
55​ if (Q_UNLIKELY(ret)) {
56​ qCWarning(KWIN_DRM) << "Couldn't close released GBM fd:" << strerror(errno);
57​ }
58​ delete buf;
59​}
60​
61​void RemoteAccessManager::passBuffer(DrmOutput *output, DrmBuffer *buffer)
62​{
63​ DrmSurfaceBuffer* gbmbuf = static_cast<DrmSurfaceBuffer *>(buffer);
64​
65​ // no connected RemoteAccess instance
66​ if (!m_interface || !m_interface->isBound()) {
67​ return;
68​ }
69​
70​ // first buffer may be null
71​ if (!gbmbuf || !gbmbuf->hasBo()) {
72​ return;
73​ }
74​
75​ qCDebug(KWIN_DRM) << "Handing over GBM object to remote framebuffer";
76​ auto buf = new BufferHandle;
77​ buf->setFd(gbm_bo_get_fd(gbmbuf->getBo()));
romanggUnsubmitted
Done

Local var for gbmbuf->getBo()

romangg: Local var for `gbmbuf->getBo()`
78​ buf->setSize(gbm_bo_get_width(gbmbuf->getBo()), gbm_bo_get_height(gbmbuf->getBo()));
79​ buf->setStride(gbm_bo_get_stride(gbmbuf->getBo()));
80​ buf->setFormat(gbm_bo_get_format(gbmbuf->getBo()));
81​
82​ qCDebug(KWIN_DRM) << "Buffer passed: bo" << gbmbuf->getBo() << ", fd" << buf->fd();
83​
84​ m_interface->sendBufferReady(output->m_waylandOutput.data(), buf);
85​}
86​
romanggUnsubmitted
Done

This will spam the debug because it is called on every present.

romangg: This will spam the debug because it is called on every present.
KanediasAuthorUnsubmitted
Not Done

Removed both this and the one at line 77

Kanedias: Removed both this and the one at line 77
87​} // KWin namespace