[Wine] Re: AMD/ATI or Nvidia

phildaman46 wineforum-user at winehq.org
Wed Feb 15 14:32:21 CST 2012


jjmckenzie wrote:
> No Linux video driver does DirectX to OpenGL conversions, Wine does
> that.  The problem is the speed of conversions and whether OpenGL is
> running in software or hardware.  nVidia appears to use their GPU to
> do OpenGL calls and AMD/ATI uses software.  Thus the slowdown when
> Wine does the call conversion and then again when the OpenGL call is
> converted again to proprietary calls for the video card.
> Again, this is how it appears.  This may not be how the conversions
> are actually completed.
> 
> James

Right, Wine does the conversions through the CPU and GPU. I guess what I meant was AMD/ATI doesn't manage Wine conversions very well.







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