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#include "MonitorFrameScheduler.hpp"
#include "../config/ConfigValue.hpp"
#include "../Compositor.hpp"
#include "../render/Renderer.hpp"
#include "../managers/eventLoop/EventLoopManager.hpp"
CMonitorFrameScheduler::CMonitorFrameScheduler(PHLMONITOR m) : m_monitor(m) {
;
}
bool CMonitorFrameScheduler::newSchedulingEnabled() {
static auto PENABLENEW = CConfigValue<Hyprlang::INT>("render:new_render_scheduling");
return *PENABLENEW && g_pHyprRenderer->explicitSyncSupported() && m_monitor && !m_monitor->m_directScanoutIsActive;
}
void CMonitorFrameScheduler::onSyncFired() {
if (!newSchedulingEnabled())
return;
// Sync fired: reset submitted state, set as rendered. Check the last render time. If we are running
// late, we will instantly render here.
if (std::chrono::duration_cast<std::chrono::microseconds>(hrc::now() - m_lastRenderBegun).count() / 1000.F < 1000.F / m_monitor->m_refreshRate) {
// we are in. Frame is valid. We can just render as normal.
Log::logger->log(Log::TRACE, "CMonitorFrameScheduler: {} -> onSyncFired, didn't miss.", m_monitor->m_name);
m_renderAtFrame = true;
return;
}
Log::logger->log(Log::TRACE, "CMonitorFrameScheduler: {} -> onSyncFired, missed.", m_monitor->m_name);
// we are out. The frame is taking too long to render. Begin rendering immediately, but don't commit yet.
m_pendingThird = true;
m_renderAtFrame = false; // block frame rendering, we already scheduled
m_lastRenderBegun = hrc::now();
// get a ref to ourselves. renderMonitor can destroy this scheduler if it decides to perform a monitor reload
// FIXME: this is horrible. "renderMonitor" should not be able to do that.
auto self = m_self;
g_pHyprRenderer->renderMonitor(m_monitor.lock(), false);
if (!self)
return;
onFinishRender();
}
void CMonitorFrameScheduler::onPresented() {
if (!newSchedulingEnabled())
return;
if (!m_pendingThird)
return;
Log::logger->log(Log::TRACE, "CMonitorFrameScheduler: {} -> onPresented, missed, committing pending.", m_monitor->m_name);
m_pendingThird = false;
Log::logger->log(Log::TRACE, "CMonitorFrameScheduler: {} -> onPresented, missed, committing pending at the earliest convenience.", m_monitor->m_name);
m_pendingThird = false;
g_pEventLoopManager->doLater([m = m_monitor.lock()] {
if (!m)
return;
g_pHyprRenderer->commitPendingAndDoExplicitSync(m); // commit the pending frame. If it didn't fire yet (is not rendered) it doesn't matter. Syncs will wait.
// schedule a frame: we might have some missed damage, which got cleared due to the above commit.
// TODO: this is not always necessary, but doesn't hurt in general. We likely won't hit this if nothing's happening anyways.
if (m->m_damage.hasChanged())
g_pCompositor->scheduleFrameForMonitor(m);
});
}
void CMonitorFrameScheduler::onFrame() {
if (!canRender())
return;
m_monitor->recheckSolitary();
m_monitor->m_tearingState.busy = false;
if (m_monitor->m_tearingState.activelyTearing && m_monitor->m_solitaryClient.lock() /* can be invalidated by a recheck */) {
if (!m_monitor->m_tearingState.frameScheduledWhileBusy)
return; // we did not schedule a frame yet to be displayed, but we are tearing. Why render?
m_monitor->m_tearingState.nextRenderTorn = true;
m_monitor->m_tearingState.frameScheduledWhileBusy = false;
}
if (!newSchedulingEnabled()) {
m_monitor->m_lastPresentationTimer.reset();
g_pHyprRenderer->renderMonitor(m_monitor.lock());
return;
}
if (!m_renderAtFrame) {
Log::logger->log(Log::TRACE, "CMonitorFrameScheduler: {} -> frame event, but m_renderAtFrame = false.", m_monitor->m_name);
return;
}
Log::logger->log(Log::TRACE, "CMonitorFrameScheduler: {} -> frame event, render = true, rendering normally.", m_monitor->m_name);
m_lastRenderBegun = hrc::now();
// get a ref to ourselves. renderMonitor can destroy this scheduler if it decides to perform a monitor reload
// FIXME: this is horrible. "renderMonitor" should not be able to do that.
auto self = m_self;
g_pHyprRenderer->renderMonitor(m_monitor.lock());
if (!self)
return;
onFinishRender();
}
void CMonitorFrameScheduler::onFinishRender() {
m_sync = CEGLSync::create(); // this destroys the old sync
g_pEventLoopManager->doOnReadable(m_sync->fd().duplicate(), [this, self = m_self] {
if (!self) // might've gotten destroyed
return;
onSyncFired();
});
}
bool CMonitorFrameScheduler::canRender() {
if ((g_pCompositor->m_aqBackend->hasSession() && !g_pCompositor->m_aqBackend->session->active) || !g_pCompositor->m_sessionActive || g_pCompositor->m_unsafeState) {
Log::logger->log(Log::WARN, "Attempted to render frame on inactive session!");
if (g_pCompositor->m_unsafeState && std::ranges::any_of(g_pCompositor->m_monitors.begin(), g_pCompositor->m_monitors.end(), [&](auto& m) {
return m->m_output != g_pCompositor->m_unsafeOutput->m_output;
})) {
// restore from unsafe state
g_pCompositor->leaveUnsafeState();
}
return false; // cannot draw on session inactive (different tty)
}
if (!m_monitor->m_enabled)
return false;
return true;
}
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