1948182 - With Layer compositor enabled, Blink of cursor redraws (with dcomp) the whole about:config page. Similarly, mousing over rows in about:config redraws the whole page.

Status: NEW

(Core :: Graphics: WebRender, defect)

Description

[Mayank Bansal]

enable layer compositor
enable debug-dcomp-redraw thingy
go to about:config

** STR1: **
Type "dcomp" into the search bar and continue to keep the cursor inside the search bar

AR: Till the cursor blinks, the whole page redraws
ER: Only the srachbar should redraw, same as the current compositor

STR2
Move mouse over the different rows of about:config
AR: the whole page redraws
ER: Reduced page should redraw, same as the current compositor.

Comment 1

[Mayank Bansal]

Link to video : https://drive.google.com/file/d/1GilK13OQ-rLBR8WNI4W1qfSejvftVgVw/view?usp=sharing

Left: Normal default compositor
Right: Layer compositor

Comment 2

[BugBot [:suhaib / :marco/ :calixte]]

:gw, since you are the author of the regressor, bug 1945683, could you take a look? Also, could you set the severity field?

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Comment 3

[BugBot [:suhaib / :marco/ :calixte]]

The severity field is not set for this bug.
:gw, could you have a look please?

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