[Mesa-dev] [Bug 79783] New: Distorted output in obs-studio where other vendors "work"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79783

          Priority: medium
            Bug ID: 79783
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: Distorted output in obs-studio where other vendors
                    "work"
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: admin at computerquip.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: Mesa core
           Product: Mesa

Created attachment 100628
  --> https://bugs.freedesktop.org/attachment.cgi?id=100628&action=edit
apitrace that reproduces issue

The application used as a test case can be found here:
https://github.com/jp9000/obs-studio

To reproduce:
1) Start application >.>
2) Create a scene named anything (lower left list box of application, the "+"
button underneath).
3) With scene highlighted, create a source (lower middle list box of
application, the "+" button underneath). 
4) Select "X11 Shared Memory Screen Input". 

What is displayed is a distorted output of your desktop, upside down, and about
one-fourth the size it should be in the upper right corner. There is additional
stretched textures outside of this area. The lower left corner contains nothing
generally.

Provided as an attachment is an apitrace that reproduces the same results on
mesa drivers, and produces correct results on other vendors.

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