Branch: refs/heads/3.3.x
Home: https://github.com/cytoscape/cytoscape.js
Commit: bc228faf0eeae90b6dfc7f97f9845c33e8722ed4
https://github.com/cytoscape/cytoscape.js/commit/bc228faf0eeae90b6dfc7f97f9845c33e8722ed4
Author: Max Franz <[email protected]>
Date: 2019-02-13 (Wed, 13 Feb 2019)
Changed paths:
M src/extensions/renderer/base/coord-ele-math/rendered-style.js
M src/extensions/renderer/canvas/texture-cache-defs.js
Log Message:
-----------
Backport 3.3.x: Flush the rendered style queue on non-drawn ticks before
texture dequeueing starts
The redraw ticks happen at any potential frame. A tick may draw a frame, if a
frame is requested. A tick may just idle is no frame is requested. This keeps
rendering costs down during idle time.
During a drawn tick cycle, several prerequisites for drawing are executing at
the start of the tick. At the end of the tick, the frame is drawn. The normal
tick cycle does not flush the queue of dirty elements (w.r.t. rendered style
calculations) for non-drawn ticks. This makes sense for most cases, but it
does not make sense for element texture caches --- which can dequeue on
non-drawn ticks.
If an element texture cache has enqueued a request to draw an element or label,
then the rendered style calculations must be completed prior to dequeueing.
Safari was the best browser to use to debug this, because its canvas view in
the debugger makes it clear exactly what's happening in the caches.
Ref #2290 #2291
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