hello_world in gpui's example doesn't work

[JusufGaa]

Check for existing issues

• Completed

Describe the bug / provide steps to reproduce it

It compiles fine, but there is no window after running it.

Environment

cargo run --example hello_world
macOS 12.2.1
Darwin 21.3.0

If applicable, add mockups / screenshots to help explain present your vision of the feature

No response

If applicable, attach your ~/Library/Logs/Zed/Zed.log file to this issue.

No response

[petros]

Just as an extra data point, it runs fine on macOS Sonoma 14.2.1.

[MatinAniss]

macOS 11.7.10

Getting no window but this info in console: invalid pixel format 70.

This issue seems like it started occurring after #9836
Probably due to the changes from BGRA8 to RGBA8, not sure why this breaks older mac versions since MTLPixelFormatRGBA8Unorm is supported for macOS 10.11+ which is the same as MTLPixelFormatBGRA8Unorm.

[JusufGaa]

@MatinAniss @petros I'm trying to update my macOS to 13.6.6.
I'll let you know later if this works.

[JusufGaa]

@MatinAniss @petros
It works, after I upgraded to 13.6.6

[JosephTLyons]

I'm not sure what we should do here. To my knowledge, GPUI isn't established enough as a standalone library, outside of Zed, for us to have guarantees about which past OSes it supports. We know it works on everything new, as we are constantly using it, but as for past OSes, it isn't clear. Maybe its ok to just close this for now?

[MatinAniss]

This issue affects 12.2.1 (highest currently confirmed) which is not that old (around 2 years ago), I wouldn't be surprised if this issue would affect a significant amount of existing users. Some of which cannot update to a higher version due to their aging hardware.

[mikayla-maki]

Hi y'all, any chance y'all could test out #10089 and confirm for me that this fixes the issue? Thanks!

[MatinAniss]

macOS 11.7.10

@mikayla-maki It is running fine again but now for some reason the size of the window and the rendered size is wrong. I guess thats how its supposed to be rendered actually.

[mikayla-maki]

That’s correct for the sample code :) It’s not a very stylish hello world yet!