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screencast: Skip frames with no damage

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Instead of issuing a full redraw. We'll be calling outputChanged when
uploading to drm, there's no need to stream that as well.
This commit is contained in:
Aleix Pol 2021-10-29 17:22:31 +02:00 committed by Aleix Pol Gonzalez
parent f7bd6ef6c1
commit d054b12123
1 changed files with 2 additions and 2 deletions
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4
src/plugins/screencast/screencastmanager.cpp
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@ -141,13 +141,13 @@ void ScreencastManager::streamOutput(KWaylandServer::ScreencastStreamV1Interface
auto bufferToStream = [streamOutput, stream] (const QRegion &damagedRegion) {
auto scene = Compositor::self()->scene();
auto texture = scene->textureForOutput(streamOutput);
if (!texture) {
if (!texture || damagedRegion.isEmpty()) {
// Some backends will return no-op because textures aren't really supported there
return;
}
const QRect frame({}, streamOutput->modeSize());
const QRegion region = damagedRegion.isEmpty() || streamOutput->pixelSize() != streamOutput->modeSize() ? frame : damagedRegion.translated(-streamOutput->geometry().topLeft()).intersected(frame);
const QRegion region = streamOutput->pixelSize() != streamOutput->modeSize() ? frame : damagedRegion.translated(-streamOutput->geometry().topLeft()).intersected(frame);
stream->recordFrame(texture.data(), region);
};
connect(stream, &PipeWireStream::startStreaming, waylandStream, [streamOutput, stream, bufferToStream] {