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platforms/drm: refactor output enablement

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This commit is contained in:
Xaver Hugl 2021-10-06 13:45:43 +02:00
parent 9dc6fd35db
commit 866830d5ed
2 changed files with 25 additions and 36 deletions
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55
src/plugins/platforms/drm/drm_backend.cpp
View file

@ -313,36 +313,13 @@ DrmGpu *DrmBackend::addGpu(const QString &fileName)
void DrmBackend::addOutput(DrmAbstractOutput *o)
{
m_outputs.append(o);
m_enabledOutputs.append(o);
Q_EMIT outputAdded(o);
Q_EMIT outputEnabled(o);
if (m_placeHolderOutput) {
qCDebug(KWIN_DRM) << "removing placeholder output";
primaryGpu()->removeVirtualOutput(m_placeHolderOutput);
m_placeHolderOutput = nullptr;
}
enableOutput(o, true);
}
void DrmBackend::removeOutput(DrmAbstractOutput *o)
{
if (m_outputs.count() == 1 && !kwinApp()->isTerminating()) {
qCDebug(KWIN_DRM) << "adding placeholder output";
m_placeHolderOutput = primaryGpu()->createVirtualOutput();
// placeholder doesn't actually need to render anything
m_placeHolderOutput->renderLoop()->inhibit();
}
if (m_enabledOutputs.contains(o)) {
if (m_enabledOutputs.count() == 1) {
for (const auto &output : qAsConst(m_outputs)) {
if (output != o) {
output->setEnabled(true);
break;
}
}
}
m_enabledOutputs.removeOne(o);
Q_EMIT outputDisabled(o);
}
enableOutput(o, false);
m_outputs.removeOne(o);
Q_EMIT outputRemoved(o);
}
@ -501,20 +478,38 @@ void DrmBackend::readOutputsConfiguration()
void DrmBackend::enableOutput(DrmAbstractOutput *output, bool enable)
{
if (m_enabledOutputs.contains(output) == enable) {
return;
}
if (enable) {
Q_ASSERT(!m_enabledOutputs.contains(output));
m_enabledOutputs << output;
Q_EMIT output->gpu()->outputEnabled(output);
Q_EMIT outputEnabled(output);
checkOutputsAreOn();
if (m_placeHolderOutput) {
qCDebug(KWIN_DRM) << "removing placeholder output";
primaryGpu()->removeVirtualOutput(m_placeHolderOutput);
m_placeHolderOutput = nullptr;
}
} else {
Q_ASSERT(m_enabledOutputs.contains(output));
if (m_enabledOutputs.count() == 1) {
for (const auto &o : qAsConst(m_outputs)) {
if (o != output) {
o->setEnabled(true);
break;
}
}
}
if (m_enabledOutputs.count() == 1 && !kwinApp()->isTerminating()) {
qCDebug(KWIN_DRM) << "adding placeholder output";
m_placeHolderOutput = primaryGpu()->createVirtualOutput();
// placeholder doesn't actually need to render anything
m_placeHolderOutput->renderLoop()->inhibit();
}
m_enabledOutputs.removeOne(output);
Q_ASSERT(!m_enabledOutputs.contains(output));
Q_EMIT output->gpu()->outputDisabled(output);
Q_EMIT outputDisabled(output);
}
checkOutputsAreOn();
Q_EMIT screensQueried();
}
void DrmBackend::initCursor()

6
src/plugins/platforms/drm/drm_gpu.cpp
View file

@ -572,9 +572,6 @@ void DrmGpu::removeOutput(DrmOutput *output)
{
m_drmOutputs.removeOne(output);
m_outputs.removeOne(output);
if (output->isEnabled()) {
Q_EMIT outputDisabled(output);
}
Q_EMIT outputRemoved(output);
auto pipeline = output->m_pipeline;
delete output;
@ -614,9 +611,6 @@ DrmVirtualOutput *DrmGpu::createVirtualOutput()
void DrmGpu::removeVirtualOutput(DrmVirtualOutput *output)
{
if (m_outputs.removeOne(output)) {
if (output->isEnabled()) {
Q_EMIT outputDisabled(output);
}
Q_EMIT outputRemoved(output);
delete output;
}