c601e875cf
Summary: The AMS code accesses elements in a vector which might not be valid. This change refactors the code to be more robust, especially the DrmPlane, which started to crash after adding transformation support. BUG: 386490 Reviewers: #kwin, #plasma, fvogt, subdiff Subscribers: plasma-devel, kwin Tags: #kwin Differential Revision: https://phabricator.kde.org/D8752
81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2016 Roman Gilg <subdiff@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "drm_object_connector.h"
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#include "drm_backend.h"
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#include "drm_pointer.h"
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#include "logging.h"
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namespace KWin
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{
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DrmConnector::DrmConnector(uint32_t connector_id, DrmBackend *backend)
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: DrmObject(connector_id, backend)
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{
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ScopedDrmPointer<_drmModeConnector, &drmModeFreeConnector> con(drmModeGetConnector(backend->fd(), connector_id));
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if (!con) {
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return;
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}
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for (int i = 0; i < con->count_encoders; ++i) {
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m_encoders << con->encoders[i];
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}
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}
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DrmConnector::~DrmConnector() = default;
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bool DrmConnector::atomicInit()
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{
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qCDebug(KWIN_DRM) << "Creating connector" << m_id;
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if (!initProps()) {
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return false;
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}
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return true;
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}
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bool DrmConnector::initProps()
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{
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setPropertyNames( {
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QByteArrayLiteral("CRTC_ID"),
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});
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drmModeObjectProperties *properties = drmModeObjectGetProperties(m_backend->fd(), m_id, DRM_MODE_OBJECT_CONNECTOR);
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if (!properties) {
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qCWarning(KWIN_DRM) << "Failed to get properties for connector " << m_id ;
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return false;
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}
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int propCount = int(PropertyIndex::Count);
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for (int j = 0; j < propCount; ++j) {
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initProp(j, properties);
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}
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drmModeFreeObjectProperties(properties);
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return true;
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}
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bool DrmConnector::isConnected()
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{
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ScopedDrmPointer<_drmModeConnector, &drmModeFreeConnector> con(drmModeGetConnector(m_backend->fd(), m_id));
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if (!con) {
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return false;
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}
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return con->connection == DRM_MODE_CONNECTED;
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}
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}
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