minor tweaks

m0dB · Dec 28, 2023 · 9ee83d6 · 9ee83d6
1 parent 914e008
commit 9ee83d6
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/waveform/vsyncthread.cpp b/src/waveform/vsyncthread.cpp
@@ -108,7 +108,8 @@ void VSyncThread::run() {
             int signalled = 0;
             // Signal to render and swap the gl widgets (waveforms, spinnies, vumeters)
             // This works best when offset with a delay wrt the vsync time.
-            const int offset = 8000; // Found by trial and error
+            const int minimumOffset = 1000000 / 60 / 2; // Without this ProMotion stutters at 60 fps
+            const int offset = std::max<int>(minimumOffset, pllDeltaOut / 2);
             if (sincePllPhaseOut < offset) {
                 usleep(offset - sincePllPhaseOut);
                 emit vsyncRenderAndSwap();