On Tue, Apr 04, 2017 at 05:09:51PM -0700, Kenneth Graunke wrote: > On modern systems with 4GB apertures, the size in bytes is 4294967296, > or (1ull << 32). The kernel gives us the aperture size as a __u64, > which works out great. > > Unfortunately, libdrm "helpfully" returns the data as a size_t, which > on 32-bit systems means it truncates the aperture size to 0 bytes. > We've happily reported this value as 0 MB of video memory via > GLX_MESA_query_renderer since it was originally exposed.
You also missed the reason why this has to remain using get_aperture so that it matches the batch space calculation used by libdrm, and the reminder that once that is lifted, this can be replaced. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
