Hi, AFAIK there is also a https://developer.nvidia.com/nvapi library. Unfortunately I have no personal experience with this but I believe it can be used to prgramatically override the setings usually set with NVidia Control Panel.
Cheers, Wojtek 2018-05-10 20:18 GMT+02:00 Daniel Emminizer, Code 5773 < [email protected]>: > Hi Chris, > > Not sure if this is what you’re looking for, but you can give a hint to > the drivers by exporting variables in your code. In my main.cpp I do > something like: > > #ifdef WIN32 > 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; > > } > #endif /* WIN32 */ > > > We have not had a problem since. > > - Dan > > > > From: osg-users [mailto:[email protected]] On > Behalf Of Chris Hanson > Sent: Thursday, May 10, 2018 2:15 PM > To: OpenSceneGraph Users > Subject: [osg-users] Setting OpenGL and graphics card settings > prgrammatically? > > As you are aware, drivers like the NVidia Windows driver have a variety > of tuneable settings accessible through the vendor-specific setting > application. Many times these accomplish things that can't be accessed > through the standard OpenGL APIs or extensions. > > Is there any way to force settings (like use of dedicated GPU versus > integrated GPU) from application code via an API? > > Basically, we're trying to avoid having to teach the untrained user how > to mess with those settings when we know the preferred settings for the > application. > > Interested in NVidia and optionally AMD, Windows primarily but > cross-platform APIs are welcomed. > > I'm digging into this: https://docs.nvidia.com/gameworks/index.html# > gameworkslibrary/coresdk/gsa_api.htm > > to see if it does what I want, but welcome input from others. > > > > -- > Chris 'Xenon' Hanson, omo sanza lettere. [email protected] > http://www.alphapixel.com/ > Training • Consulting • Contracting > 3D • Scene Graphs (Open Scene Graph/OSG) • OpenGL 2 • OpenGL 3 • OpenGL 4 > • GLSL • OpenGL ES 1 • OpenGL ES 2 • OpenCL > Legal/IP • Forensics • Imaging • UAVs • GIS • GPS • > osgEarth • Terrain • Telemetry • Cryptography • LIDAR • Embedded • Mobile • > iPhone/iPad/iOS • Android > @alphapixel facebook.com/alphapixel (775) 623-PIXL [7495] > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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