[vlc-devel] [PATCH] opengl: enables shaders for macos opengl.

[Sebastien Zwickert]

On Sep 13, 2011, at 10:49 PM, Jean-Baptiste Kempf wrote:

> On Tue, Sep 13, 2011 at 09:58:55PM +0200, Laurent Aimar wrote :
>>> I could try but I'm not sure to have tools to test performances loss or gain. There're some graphic tools delivered with the developer package on macosx but i never used these. I need to take a look at these tools to see if there's something to test performances between different versions.
>> I am not sure what the "graphic tools" will mesure. The GPU usage may be
>> higher (but that is expected as we are using it more), but I am hoping that
>> the CPU usage will be lower.
> 
> Not being an Apple Fanboy, but Apple Graphic tools for performance (like
> Shark) are really good.

OpenGL Profiler in /Developer/Graphic tools seems to be a good candidate to check OpenGL performance.
There're some technical notes that explain the basics :
http://developer.apple.com/library/mac/#technotes/tn2093/_index.html
http://developer.apple.com/library/mac/#technotes/tn2178/_index.html

> Be sure to test on intel64, because this platform should be our main
> focus on OSX, I think. And I would advise to test on SL, because Lion is
> still not stable enough, IMNSHO.

Good for me as I'm compiling for intel64 build against the 10.6 sdk and I'm testing on SL.

Best regards,
Sebastien.