chrome://tracing shows "Image Decode" processes slowing down drawing in parts of the map with lots of image data or entity activity. Copying images to canvas(es) to keep the bitmaps in memory will probably help avoid the constant image GC and decoding.
chrome://tracing shows "Image Decode" processes slowing down drawing in parts of the map with lots of image data or entity activity. Copying images to canvas(es) to keep the bitmaps in memory will probably help avoid the constant image GC and decoding.
Details on using Chrome tracing (find tab id in chrome://memory, use WASD keys to navigate timeline) https://www.youtube.com/watch?v=nxXkquTPng8#!