109 lines
2.8 KiB
C++
109 lines
2.8 KiB
C++
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/*
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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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SPDX-FileCopyrightText: 2018 Roman Gilg <subdiff@gmail.com>
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SPDX-FileCopyrightText: 2021 Xaver Hugl <xaver.hugl@gmail.com>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "drm_virtual_output.h"
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#include "renderloop_p.h"
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#include "softwarevsyncmonitor.h"
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#include "drm_gpu.h"
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#include "drm_backend.h"
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#include "logging.h"
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#if HAVE_GBM
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#include "drm_buffer_gbm.h"
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#endif
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namespace KWin
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{
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DrmVirtualOutput::DrmVirtualOutput(DrmGpu *gpu)
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: DrmAbstractOutput(gpu)
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, m_vsyncMonitor(SoftwareVsyncMonitor::create(this))
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{
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connect(m_vsyncMonitor, &VsyncMonitor::vblankOccurred, this, &DrmVirtualOutput::vblank);
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static int s_serial = 0;
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m_identifier = s_serial++;
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setName("Virtual-" + QString::number(m_identifier));
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m_modeIndex = 0;
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QVector<Mode> modes = {{{1920, 1080}, 60000, AbstractWaylandOutput::ModeFlags(AbstractWaylandOutput::ModeFlag::Current) | AbstractWaylandOutput::ModeFlag::Preferred, 0}};
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initialize(QByteArray("model_").append(QByteArray::number(m_identifier)),
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QByteArray("manufacturer_").append(QByteArray::number(m_identifier)),
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QByteArray("eisa_").append(QByteArray::number(m_identifier)),
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QByteArray("serial_").append(QByteArray::number(m_identifier)),
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modes[m_modeIndex].size, modes, QByteArray("EDID_").append(QByteArray::number(m_identifier)));
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m_renderLoop->setRefreshRate(modes[m_modeIndex].refreshRate);
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}
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DrmVirtualOutput::~DrmVirtualOutput()
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{
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}
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bool DrmVirtualOutput::present(const QSharedPointer<DrmBuffer> &buffer, QRegion damagedRegion)
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{
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Q_UNUSED(damagedRegion)
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m_currentBuffer = buffer;
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m_vsyncMonitor->arm();
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m_pageFlipPending = true;
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Q_EMIT outputChange(damagedRegion);
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return true;
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}
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void DrmVirtualOutput::vblank(std::chrono::nanoseconds timestamp)
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{
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if (m_pageFlipPending) {
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RenderLoopPrivate *renderLoopPrivate = RenderLoopPrivate::get(m_renderLoop);
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renderLoopPrivate->notifyFrameCompleted(timestamp);
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}
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}
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void DrmVirtualOutput::updateMode(int modeIndex)
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{
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Q_UNUSED(modeIndex)
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}
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void DrmVirtualOutput::updateMode(uint32_t width, uint32_t height, uint32_t refreshRate)
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{
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Q_UNUSED(width)
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Q_UNUSED(height)
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Q_UNUSED(refreshRate)
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}
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void DrmVirtualOutput::setDpmsMode(DpmsMode mode)
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{
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setDpmsModeInternal(mode);
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m_dpmsEnabled = mode == DpmsMode::On;
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}
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bool DrmVirtualOutput::isDpmsEnabled() const
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{
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return m_dpmsEnabled;
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}
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void DrmVirtualOutput::updateEnablement(bool enable)
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{
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gpu()->platform()->enableOutput(this, enable);
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}
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QSize DrmVirtualOutput::sourceSize() const
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{
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return pixelSize();
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}
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GbmBuffer *DrmVirtualOutput::currentBuffer() const
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{
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#if HAVE_GBM
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return dynamic_cast<GbmBuffer*>(m_currentBuffer.get());
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#else
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return nullptr;
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#endif
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}
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}
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