Julien 2013. nov. 30. @ de. 6:39
Trouble launching L4D2 with ubuntu 12.04
Hi,

When I run the game, I have the error message :
"Required OpenGL extension "GL_Ext_Texture_sRGB_decode" is not supported. Please update your openGL driver".

I added PPA repository to update the drivers but it did not fix the problem.

Could you please help ?

Thanks in advance.
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felixmole 2013. dec. 4. @ du. 12:36 
Try http://steamcommunity.com/app/223530/discussions/0/810925580027991811/

If it does not work... what graphics card do you have?
Legutóbb szerkesztette: felixmole; 2013. dec. 4. @ du. 12:37
Julien 2013. dec. 14. @ de. 6:21 
Hi, thanks for your reply.
Actually, your solution does not work.
My graphic card is a ATI Radeon HD 4870.
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