[Bug 108824] Invalid handling when GL buffer is bound on one context and invalidated on another

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108824

--- Comment #7 from Baldur Karlsson <baldurk at baldurk.org> ---
I applied the patchset on top of latest mesa
(aa040d3b3c7d068e1ece61c71770c16a54745f89) and I seem to get some rendered
corruption that I don't get with the parent commit before applying the patches.

It seems to only appear in RenderDoc, or at least it doesn't happen when
running tiny demo programs. I can't isolate a simpler test case just now but it
seems reliably reproducible and only shows up when I build with the patches
applied.

To repro with RenderDoc:

* Download or build RenderDoc 1.4
* Build gears3d from https://github.com/gears3d/gears3d
* Launch gears3d through RenderDoc, capture, open the frame
* Step back and forth through the drawcalls and the texture viewer will show up
with some corruption.

Screenshot here: https://i.imgur.com/1Dk7diS.png

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