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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Can I apply a shader to the whole screen? (feddit.it)

submitted 1 year ago by [email protected] to c/[email protected]

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Is there a way to apply a apply an opengl shader to the entire screen in either gnome or kde using Wayland? I know hyprland has something like that, but I don't use tiling WMs.

I have an ald projector that I mainly use for game streaming or jellyfin, that has misaligned RGB panels. This model in particular cannot be adjusted, you can only replace the prism assembly all together (which I have no intention of buying). But I have tested that shader that simply samples about one pixel to the left/right is enough to fix the problem almost entirely.

Also, it would be perfect if I could also pass to the shader a uniform sampler of an image file, that I need to perform some extra color corrections. The green color is weaker on some areas, and I have a picture to use as a mask of those areas.

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