This commit is contained in:
Vaxry 2024-03-18 23:16:19 +00:00
parent 8f38c06ac1
commit 0f149d3837
1 changed files with 9 additions and 4 deletions

View File

@ -141,12 +141,17 @@ void CFrameSchedulingManager::onPresent(CMonitor* pMonitor, wlr_output_event_pre
float msUntilVblank = 0;
if (presentationData) {
const std::chrono::system_clock::time_point LASTVBLANK{std::chrono::duration_cast<std::chrono::system_clock::duration>(
std::chrono::seconds{presentationData->when->tv_sec} + std::chrono::nanoseconds{presentationData->when->tv_nsec})};
timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
const std::chrono::system_clock::duration LASTVBLANK{
std::chrono::duration_cast<std::chrono::system_clock::duration>(std::chrono::seconds{now.tv_sec} + std::chrono::nanoseconds{now.tv_nsec}) -
std::chrono::duration_cast<std::chrono::system_clock::duration>(std::chrono::seconds{presentationData->when->tv_sec} +
std::chrono::nanoseconds{presentationData->when->tv_nsec})};
msUntilVblank = (presentationData->refresh ? presentationData->refresh / 1000000.0 : pMonitor->refreshRate / 1000.0) -
std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now() - LASTVBLANK).count();
std::chrono::duration_cast<std::chrono::milliseconds>(LASTVBLANK).count();
DATA->nextVblank = LASTVBLANK + std::chrono::nanoseconds{int{presentationData->refresh ? presentationData->refresh : 1000000000 / pMonitor->refreshRate}};
DATA->nextVblank = std::chrono::system_clock::now() + LASTVBLANK +
std::chrono::nanoseconds{int{presentationData->refresh ? presentationData->refresh : 1000000000 / pMonitor->refreshRate}};
} else
msUntilVblank = std::chrono::duration_cast<std::chrono::milliseconds>(DATA->nextVblank - std::chrono::system_clock::now()).count();