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Get GPU total memory in OpenGL under Linux

Question asked by tolunoide on Jun 18, 2014

Hi guys,


I'm going back to OpenGL for some demo project.

I simply want to know the total amount of memory of the GPU using OpenGL.


I get this sample code :



UINT n = wglGetGPUIDsAMD(0, 0);
UINT *ids = new UINT[n];
size_t total_mem_mb = 0;
wglGetGPUIDsAMD(n, ids);


But it required wglext.h which is Microsoft only plateform.

I don't find anything like this in glxext.h for Linux. Did I miss something?

And for compatibility, if you have also infos for OSX.


N.B.: I already get the available RAM for GPU with TEXTURE_FREE_MEMORY_ATI but I would like to know the percentage of RAM consumed.


Best regards