637081 - Text in the https secure verification link box is greyscale AA antialiased with hardware acceleration off

Status: RESOLVED WORKSFORME

(Core :: Graphics, defect)

Description

[orangezilla]

User-Agent:       Mozilla/5.0 (Windows NT 6.1; rv:2.0b13pre) Gecko/20110226 Firefox/4.0b13pre
Build Identifier: Mozilla/5.0 (Windows NT 6.1; rv:2.0b13pre) Gecko/20110226 Firefox/4.0b13pre

Text in the https secure verification link box has been greyscale antialiased with hardware acceleration off since the 20th October Beta 8Pre build

Reproducible: Always

Steps to Reproduce:
1. Make sure hardware acceleration is unticked in options>advanced>general, if
not untick & restart.
2. Go to a secure site, i.e. any bugzilla or firefox addons site.
3. Take a screenshot, you will see the text in the https verification box i.e. stating 'mozilla.org' for bugzilla is grayscale antialiased.
Actual Results:  
Text in the https secure verification link box is rendered with greyscale antialiasing with hardware acceleration off 

Expected Results:  
Text in the https secure verification link box should be sub pixel antialiased.

This broke between the 19th-20th October Beta 8Pre builds, pushlog:

http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=c9df0c5cbf8c&tochange=7aa9763e9d41

Comment 1

[orangezilla]

Attachment: Image comparing text on the https secure tab on bugzilla in Beta 6,8,11

The text first changed to darker AA on the pushlog listed above, it changed to greyscale AA sometime between 31st Dec-10th Jan (see screenshot attached)

http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=b083bc8b79ab&tochange=f9f48079910f

Comment 2

[Joe Drew (not getting mail)]

This now looks fine in Nightly, so perhaps something fixed it in the interim.

Comment 3

[[Baboo]]

Attachment: Hardware acceleration off, DirectWrite on

I can still see the issue if HW acceleration if off but DirectWrite is explicitly enabled through gfx.font_rendering.directwrite.enabled