[Mesa-dev] [Bug 63117] OSMesa Gallium Empty Output

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63117

--- Comment #2 from Brian Paul <brianp at vmware.com> ---
Created attachment 77643
  --> https://bugs.freedesktop.org/attachment.cgi?id=77643&action=edit
patch for osmesa.c

Kevin, can you try this patch?

I think the unique thing that vtk is doing is calling OSMesaMakeCurrent()
several times per frame.  Each time OSMesaMakeCurrent() was called we're
creating new gallium drawing surfaces so any previous rendering to the frame
was getting lost.
The patch tries to re-use gallium surfaces from one MakeCurrent to the next.

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