[Mesa-dev] [Bug 78716] New: Fix Mesa bugs for running Unreal Engine 4.1 Cave effects demo compiled for Linux

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78716

          Priority: medium
            Bug ID: 78716
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: Fix Mesa bugs for running Unreal Engine 4.1 Cave
                    effects demo compiled for Linux
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: rtfss1 at gmail.com
          Hardware: Other
            Status: NEW
           Version: git
         Component: Mesa core
           Product: Mesa

Hi,
I have compiled Cave effects demo of UE4 for Linux and as expected doesn't work
using Mesa open source drivers tested on both nouveau (GTX 470) and radeonsi
(HD 7970) drivers..
I uploaded the demo to Mediafire:
http://www.mediafire.com/download/0rav1j9033l784m/cave.rar
Tried to run drivers using current drivers at
https://launchpad.net/~nzatkovich/+archive/bleediergraphics because they use
LLVM 3.5 daily so have support for GL 3.3 on radeonsi..
The demo runs by default using GL 3.2 profile and can be run in OGL 4.3 mode
via -opengl4 argument. This can be useful for testing Mesa against it when it
supports compute shaders, VAB and other features used by GL4 path..
Note demo runs on both Nvidia and AMD latest binary graphic drivers..

(See README inside file for more arguments and details on binary drivers used)

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