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GBM/KMS platform #42

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i509VCB opened this issue Dec 21, 2022 · 2 comments · Fixed by #135
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GBM/KMS platform #42

i509VCB opened this issue Dec 21, 2022 · 2 comments · Fixed by #135
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enhancement New feature or request help wanted Extra attention is needed

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@i509VCB
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i509VCB commented Dec 21, 2022

It may be useful to allow presenting CPU rendered buffers directly to the display on Linux.

raw-window-handle already supports GBM and DRM so it should be possible to use GBM or dumb buffers.
@ids1024
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ids1024 commented Dec 21, 2022

DRM support could be neat, if it was also supported in winit or something else (I guess allowing only a single window, and using libinput for input events?).

Are there currently any crates that provide RawWindowHandles for DRM?

@madsmtm
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madsmtm commented Dec 21, 2022

winit work for that is underway, see rust-windowing/winit#2272

@ids1024 ids1024 mentioned this issue Dec 21, 2022
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@john01dav john01dav transferred this issue from rust-windowing/swbuf Dec 22, 2022
@john01dav john01dav added enhancement New feature or request help wanted Extra attention is needed labels Dec 23, 2022
@ids1024 ids1024 mentioned this issue Apr 10, 2023
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notgull added a commit that referenced this issue Jul 15, 2023
@notgull
Add a DRM/KMS backend
cc1225f 
This backend uses DUMB buffers to render to the CRTC.

cc #42
@notgull notgull mentioned this issue Jul 15, 2023
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notgull added a commit that referenced this issue Aug 12, 2023
@notgull
feat: Add a DRM/KMS backend
ac0b7f5 
This adds a DRM/KMS based backend to the system, as per #42. This system finds a CRTC and a connector, then uses that to create a frame buffer and a DUMB buffer that it can render to.

There's much more to do, and is left as an exercise for anyone with a significant DRM-based use case to pick up and fix.

Signed-off-by: John Nunley <[email protected]>
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Add a DRM/KMS backend rust-windowing/softbuffer
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@ids1024 @john01dav @madsmtm @i509VCB