Investigate why Layer::SetVisibleRegion breaks region is empty

NEW
Unassigned

Status

()

Core
Graphics: Layers
P3
normal
a year ago
5 months ago

People

(Reporter: BenWa, Unassigned)

Tracking

Firefox Tracking Flags

(Not tracked)

Details

(Whiteboard: [gfx-noted])

(Reporter)

Description

a year ago
Regression was found in bug 1287066. It's not clear why Layer::SetVisibleRegion breaks when the region is empty. We should find out why.

Updated

a year ago
Whiteboard: [gfx-noted]
(Reporter)

Comment 1

a year ago
A quick look reveals that we've worked around bugs with how pixman handles empty region before. Might be a good time to fix the semantics.
Priority: -- → P3
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