Closed Bug 684825 Opened 10 years ago Closed 10 years ago

ASSERTION: QueryInterface needed: 'query_result.get() == mRawPtr' trying to get experimental-webgl context with options

Categories

(Core :: Canvas: WebGL, defect)

Product:
Core
Component:
Canvas: WebGL
Platform:
x86
Windows XP
Type:
defect
Priority:
Not set
Severity:
normal

Tracking

()

Status:
RESOLVED FIXED

People

(Reporter: neil, Unassigned)

Details

(Keywords: assertion)

Attachments

(1 file)

Proposed patch
2.51 KB, patch
jrmuizel
: review+
Details | Diff | Splinter Review 
nsHTMLCanvasElement::GetContext creates a hash property bag to convert its context options into an nsIProperties object. Unfortunately a hash property bag has inherits multiply from nsIProperties and the wrong one gets put in the second nsCOMPtr. (I'm not sure why it uses two nsCOMPtrs in the first place.)
I've been meaning to file this for some time, thanks for doing that.
Attached patch Proposed patch — — Splinter Review
Attachment #559410 - Flags: review?(jmuizelaar)
Comment on attachment 559410 [details] [diff] [review]
Proposed patch

Looks fine to me. Benoit should probably look, but I think it's fine for his review to come after landing.
Attachment #559410 - Flags: review?(jmuizelaar)
Attachment #559410 - Flags: review?(bjacob)
Attachment #559410 - Flags: review+
Pushed changeset cb79942d0feb to mozilla-central.
Status: NEW → RESOLVED
Closed: 10 years ago
Resolution: --- → FIXED
Sorry, I should have said changeset afe75f8431ad of course.
Comment on attachment 559410 [details] [diff] [review]
Proposed patch

I'm not a good reviewer for this code.
Attachment #559410 - Flags: review?(bjacob)
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