-Ensure ViewportContext rendertick notifications always fire
-Use viewport size to determine ImGui resolution, ensure OnViewportSizeChanged is always up-to-date for the default viewport context
- Added pause/resume button to ImGui Profiler to pause/resume profiling
- Added showing pass execution timeline
- Change TimestampResult to include both begin tick and duration tick. Update some function names of TimestampResult.
- Update some functions names in Pass.
- Stop showing accumulated time for ParentPass.
- Fixed a crash issue with ImGuiManager which doesn't have default font.
nvsickle
mbalfour
alexpete
Vicky
qingtao
moudgils