markGridOrTextureUpdated static method
PTY echo applied: pair the next MirrorGrid / texture generation bump.
Implementation
static void markGridOrTextureUpdated(int generation) {
if (!active || pendingStartUs == null) return;
if (pendingEchoGeneration != null) return;
pendingEchoGeneration = generation;
TerminalScrollTrace.log(
'latency',
'echo gen=$generation us=${_nowUs()}',
);
}