Video memory size detection in D3D

[Stefan Dösinger]

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Am 2014-05-30 15:25, schrieb Ruslan Kabatsayev:
> Hmm, this is an interesting point. But, for
> GLX_MESA_query_renderer, which appeared relatively recently, one
> can't say it's experimental or cannot return the total memory. Can
> its use be accepted by Wine? Maybe at some point Nvidia/AMD will
> implement it too (looks unlikely though), but at least for
> Mesa-powered drivers it would work.
Yes, I see no reason why we can't use GLX_MESA_query_renderer. We still
need the fallback path for drivers that do not support it though.

It's important to note that wined3d itself cannot use it. Wined3d uses
WGL, not GLX. winex11.drv has to use GLX_MESA_query_renderer, and it can
export its functionality to wined3d in the form of a WGL extension that
is similar or equal to GLX_MESA_query_renderer.

winemac.drv can export the same extension. There are OSX functions to
query the PCI IDs and video memory size. (I forgot the name though).

As far as I know the NV-CONTROL X11 (not GLX) extension exposes the
same information, but doesn't have the issue that it's specification
isn't finalized. Winex11.drv could in theory use it if
GLX_MESA_query_renderer is not available.
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