Add ContextDesc::device_id to force adapter selection #210
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ConradIrwin
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Dec 18, 2024
Closes #17005 Release Notes: - Improved GPU context management: share a single context with multiple surfaces. ### High Level Blade got a proper support for Surface objects in kvark/blade#203. That was mainly motivated by Zed needing to draw multiple windows. With the Surface API, Zed is now able to have the GPU context tied to the "Platform" instead of "Window". Practically speaking, this means: - architecture more sound - faster to open/close windows - less surprises, more robust ### Concerns 1. Zed has been using a temporary workaround for the platform bug on some Intel+Nvidia machines that makes us unable to present - kvark/blade#144 . This workaround is no longer available with the new architecture. I'm looking for ideas on how to approach this better. - we are now picking up the change in kvark/blade#210, which allows forcing a specific Device ID. This should allow Zed users to work around the issue. We could help them to automate it, too. 2. ~~Metal-rs dependency is switched to https://github.com/kvark/metal-rs/tree/blade, since upstream isn't responsive in merging changes that are required for Blade. Hopefully, temporary.~~ - ~~we can also hack around it by just transmuting the texture references, since we know those are unchanged in the branch. That would allow Blade to use it's own version of Metal, temporarily, if switching metal-rs in the workspace is a concern.~~ - merged my metal-rs changes and updated Zed to use the upstream github reference --------- Co-authored-by: Mikayla Maki <[email protected]> Co-authored-by: Mikayla Maki <[email protected]> Co-authored-by: Conrad Irwin <[email protected]>
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Closes #207