Add option for per-frame performance logging via un-commentable logging code.
diff --git a/MoltenVK/MoltenVK/GPUObjects/MVKSwapchain.mm b/MoltenVK/MoltenVK/GPUObjects/MVKSwapchain.mm
index e5d1c14..d3fde95 100644
--- a/MoltenVK/MoltenVK/GPUObjects/MVKSwapchain.mm
+++ b/MoltenVK/MoltenVK/GPUObjects/MVKSwapchain.mm
@@ -157,10 +157,16 @@
_performanceStatistics.averageFrameInterval += _averageFrameIntervalFilterAlpha * (_performanceStatistics.lastFrameInterval - _performanceStatistics.averageFrameInterval);
_performanceStatistics.averageFramesPerSecond = 1000.0 / _performanceStatistics.averageFrameInterval;
+// Uncomment for per-frame logging.
+// MVKLogDebug("Frame interval: %.2f ms. Avg frame interval: %.2f ms. Frame number: %d.",
+// _performanceStatistics.lastFrameInterval,
+// _performanceStatistics.averageFrameInterval,
+// _currentPerfLogFrameCount + 1);
+
uint32_t perfLogCntLimit = _device->_mvkConfig.performanceLoggingFrameCount;
if ((perfLogCntLimit > 0) && (++_currentPerfLogFrameCount >= perfLogCntLimit)) {
_currentPerfLogFrameCount = 0;
- MVKLogInfo("Frame interval: %.2f ms. Avg frame interval: %.2f ms. FPS: %.2f. Reporting every: %d frames. Elapsed time: %.3f seconds.",
+ MVKLogInfo("Frame interval: %.2f ms. Avg frame interval: %.2f ms. Avg FPS: %.2f. Reporting every: %d frames. Elapsed time: %.3f seconds.",
_performanceStatistics.lastFrameInterval,
_performanceStatistics.averageFrameInterval,
_performanceStatistics.averageFramesPerSecond,
