Differential D1230 Diff 25979 plugins/platforms/drm/remoteaccess_manager.cpp

Changeset View

Standalone View

View Options

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​#include "drm_backend.h"
25​#include "../../../wayland_server.h"
26​
27​// system
28​#include <KWayland/Server/output_interface.h>
29​#include <unistd.h>
30​#include <gbm.h>
31​
32​namespace KWin
33​{
34​
35​RemoteAccessManager::RemoteAccessManager(QObject *parent)
36​ : QObject(parent)
37​{
38​ if (waylandServer()) {
39​ m_interface = waylandServer()->display()->createRemoteAccessManager(this);
40​ m_interface->create();
41​
42​ connect(m_interface, &RemoteAccessManagerInterface::bufferReleased,
43​ this, &RemoteAccessManager::releaseBuffer);
44​ }
45​}
46​
47​RemoteAccessManager::~RemoteAccessManager()
48​{
49​ if (m_interface) {
50​ m_interface->destroy();
51​ }
52​}
53​
54​void RemoteAccessManager::releaseBuffer(const BufferHandle *buf)
55​{
56​ int ret = close(buf->fd());
57​ if (Q_UNLIKELY(ret)) {
58​ qCWarning(KWIN_DRM) << "Couldn't close released GBM fd:" << strerror(errno);
59​ }
60​ delete buf;
61​}
62​
63​void RemoteAccessManager::passBuffer(DrmOutput *output, DrmBuffer *buffer)
64​{
65​ DrmSurfaceBuffer* gbmbuf = static_cast<DrmSurfaceBuffer *>(buffer);
66​
67​ // no connected RemoteAccess instance
68​ if (!m_interface || !m_interface->isBound()) {
69​ return;
70​ }
71​
72​ // first buffer may be null
73​ if (!gbmbuf || !gbmbuf->hasBo()) {
74​ return;
75​ }
76​
77​ qCDebug(KWIN_DRM) << "Handing over GBM object to remote framebuffer";
78​ auto buf = new BufferHandle;
romanggUnsubmitted
Done

Local var for gbmbuf->getBo()

romangg: Local var for `gbmbuf->getBo()`
79​ auto bo = gbmbuf->getBo();
80​ buf->setFd(gbm_bo_get_fd(bo));
81​ buf->setSize(gbm_bo_get_width(bo), gbm_bo_get_height(bo));
82​ buf->setStride(gbm_bo_get_stride(bo));
83​ buf->setFormat(gbm_bo_get_format(bo));
84​
85​ qCDebug(KWIN_DRM) << "Buffer passed: bo" << gbmbuf->getBo() << ", fd" << buf->fd();
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​ m_interface->sendBufferReady(output->m_waylandOutput.data(), buf);
88​}
89​
90​} // KWin namespace