Mirrored_Repos/LookingGlass
1
0
Fork 0
mirror of https://github.com/gnif/LookingGlass.git synced 2024-11-22 13:37:22 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[client] x11: be less sensitive to frame skips

Browse Source 
External events like launching other applications can cause latency
spikes while X11 initializes the application, we should only start
adjusting our delay if we see excessive skips over a 1s period.
This commit is contained in:
Geoffrey McRae 2021-08-09 15:51:01 +10:00
parent bc7e59c9d7
commit 1fd726eed7
1 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
client/displayservers/X11/x11.c
View File

@ -1311,19 +1311,26 @@ static bool x11WaitFrame(void)
/* adjustments if we are still seeing odd skips */
const uint64_t lastWMEvent = atomic_load(&x11.lastWMEvent);
const uint64_t eventDelta = ust > lastWMEvent ? ust - lastWMEvent : 0;
static int skipCount = 0;
static uint64_t lastSkipTime = 0;
if (skipCount > 0 && ust - lastSkipTime > 1000000UL)
skipCount = 0;
if (delay > 0 && deltamsc > 1 && eventDelta > 1000000UL)
{
/* only adjust if the last skip was less then 1s ago */
static uint64_t lastSkip = 0;
const bool adjust = ust - lastSkip < 1000000UL;
lastSkip = ust;
const bool flag = ust - lastSkipTime < 1000000UL;
lastSkipTime = ust;
if (adjust)
if (flag && ++skipCount > 10)
{
if (delay - 500 < delay)
{
delay -= 500;
DEBUG_INFO("Excessing skipping detected, reduced calibration delay to %lu us", delay);
skipCount = 0;
}
else
{