1743847 - hello-triangle wgpu example on WebGPU backend crashes firefox nightly

Status: RESOLVED FIXED

(Core :: Graphics: WebGPU, defect)

Description

[Mariusz Kryński]

Attachment: hello-triangle.diff

User Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36

Steps to reproduce:

Compiled and run slightly modified hello-triangle wgpu example (patch attached)
Tested on current wgpu master (sha: fbbce2523001) and firefox nightly 96.0a1 (2021-12-01)

Actual results:

Firefox crashes every time just after opening a page.

Expected results:

Validation error should be raised about unsupported swapchain format like native wgpu does.

Comment 1

[Mariusz Kryński]

My configuration:

Linux (Ubuntu 20.04), Intel GPU

$ glxinfo | grep Intel
    Vendor: Intel (0x8086)
    Device: Mesa Intel(R) HD Graphics 630 (KBL GT2) (0x591b)
OpenGL vendor string: Intel
OpenGL renderer string: Mesa Intel(R) HD Graphics 630 (KBL GT2)

Comment 2

[Dzmitry Malyshau [:kvark]]

Attachment: Bug 1743847 - Throw an exception in WebGPU GetCurrentTexture r=jimb

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/469124ce89e9
Throw an exception in WebGPU GetCurrentTexture r=emilio

Comment 4

[Atila Butkovits]

https://hg.mozilla.org/mozilla-central/rev/469124ce89e9

Comment 5

[Ardelean Oana, Desktop QA [:oardelean]]

Hi, would it be possible if you could attach a working test case for manual QA testing? We cannot reproduce the issue and confirm the fix without it.
Thank you.