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Certain drivers do not support pitches that are not multiples of 128 bytes, and instead just does some kind of rounding internally. On DXGI, this is not a problem because the API rounds pixel pitch, but NvFBC does not. This causes certain resolutions to simply not work with dmabuf, most notably 3440x1440, which is 1440p ultrawide. Since we are copying pixels with the CPU anyways, we might as well round the pitch up to 128 bytes (32 pixels).
Looking Glass
An extremely low latency KVMFR (KVM FrameRelay) implementation for guests with VGA PCI Passthrough.
- Project Website: https://looking-glass.io
- Documentation: https://looking-glass.io/docs
Documentation
❕❕❕ IMPORTANT ❕❕❕
This project contains submodules that must be checked out if building from the git repository! If you are not a developer and just want to compile Looking Glass, please download the source archive from the website instead:
https://looking-glass.io/downloads
Source code for the documentation can be found in the /doc directory.
You may view this locally as HTML by running make html with python3-sphinx
installed.