[osg-users] Selecting a GPU to be used in a dual-GPU laptop

[Alberto Luaces]

Great!  Thanks a lot, Florent!

COUDRET Florent writes:

> Hi Alberto,
>
> for NVidia and AMD graphics cards, we declare 2 public variables at 
> global scope to force using GPU at run-time (even if there is no 
> existing application profile).
>
>
> extern "C" {
>
>      /// Declare this variable in public to enable the NVidia side of 
> Optimus - 
> http://developer.download.nvidia.com/devzone/devcenter/gamegraphics/files/OptimusRenderingPolicies.pdf
>      __declspec(dllexport) int NvOptimusEnablement = 1;
>
>      /// Declare this variable in public to enable the AMD side of AMD 
> Switchable Graphics (13.35 driver or newer needed) - 
> http://devgurus.amd.com/thread/169965
>      __declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
>
> }
>
> Regards,
>
> Florent

-- 
Alberto