https://bugs.kde.org/show_bug.cgi?id=359100

--- Comment #11 from Thomas Lübking <thomas.luebk...@gmail.com> ---
You're running into some weird GL limitation.
The driver announces:
   GL_MAX_RECTANGLE_TEXTURE_SIZE_NV = 4096
and your original width exceeds that, what apparently is the problem.

It's "weird" because you should not be operating on  GL_ARB_texture_rectangle
but on GL_ARB_texture_non_power_of_two where GL_MAX_TEXTURE_SIZE (8192) should
apply (and we warn you when trying to exceed that, because things could turn
slow)

Assuming that GL_ARB_texture_rectangle is considered relevant by the driver the
question is
a) where we hit the limit (it's apparently not the usual suspects - any window
of that size?)
b) why that texture isn't simply black, but the screen simply "freezes"

Does the wide layout work in unity or is it more quadratic or intersecting
there?

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