1042946 - Discard back buffer on error in ClientTiledLayerBuffer::ValidateTile()

Status: RESOLVED FIXED

(Core :: Graphics: Layers, defect)

Description

[Sotaro Ikeda [:sotaro]]

In ClientTiledLayerBuffer::ValidateTile(), when the following code failed, the function discards only front buffer.

>  if (!backBuffer->Lock(OpenMode::OPEN_READ_WRITE)) {
>    NS_WARNING("Failed to lock tile TextureClient for updating.");
>    aTile.DiscardFrontBuffer();
>    return aTile;
>  }

Comment 1

[Sotaro Ikeda [:sotaro]]

Attachment: patch - Discard back buffer on error in ClientTiledLayerBuffer::ValidateTile()

Comment 2

[Sotaro Ikeda [:sotaro]]

https://tbpl.mozilla.org/?tree=Try&rev=451877d30b36

Comment 3

[Sotaro Ikeda [:sotaro]]

https://tbpl.mozilla.org/?tree=Try&rev=7a7975f79a1f

Comment 4

[Sotaro Ikeda [:sotaro]]

https://hg.mozilla.org/integration/mozilla-inbound/rev/707fe2b64a85

Comment 5

[Wes Kocher (:KWierso) (Not reading bugmail; email directly if needed)]

https://hg.mozilla.org/mozilla-central/rev/707fe2b64a85