Visualizer lags while panning

[tkuchida]

Platform: Win 7 Pro 64-bit
Hardware: AMD Radeon HD 7450
Version: opensimWin64Alpha01.zip
Browser: Tested on Firefox 51.0.1 and Chrome 56.0.2924.87

FPS fluctuates between ~15 and >100. Previous GUI alpha release ("visualizer_alpha_01" from opensim-org/three.js) did not lag.

[aymanhab]

Could it be settings in the browser as reported earlier by @carmichaelong (sorry I forget where were the flags for GPU hardware acceleration).

[tkuchida]

Thanks! Yes, it's probably just a browser setting since the visualizer works smoothly on my ⚓ of a laptop (I probably fixed it there when testing the first alpha but neglected to propagate the change at my desk). @carmichaelong's detailed description and fix can be found here. I'll close this issue once I've confirmed.

[tkuchida]

Resolved. Detailed explanation follows.

My default browser is Firefox for reasons that are not relevant here. Upon loading a Model, the GUI spawns a new tab in the default browser. The visualizer was lagging in Firefox so I launched Chrome to test there, but did not close the Firefox tab. Surprisingly, leaving the Firefox tab open causes Chrome to lag as well. Closing the Firefox tab (or even just switching to a different tab) resolves the issue. I guess it was my fault for not imagining that this could happen.