30ec0b3735
We have a couple ways to detect CPU features on ARM: - on ARMv8, getauxval(AT_HWCAP) - on ARMv7, getauxval(AT_HWCAP) and cpu-features.h This guards each of these methods with preprocessor guards to match exactly when we can use them. Today they're sort of a mix of that and higher level expectations about particular build and operating systems. I'm looking into doing this directly by reading CPU registers, much like we do for x86 further up the file. None of this is super important right now, so as long as we don't decide that we have these features when we don't, things will be fine. It's no big deal for now if we fail to detect them. Change-Id: I3b7768483086d0f3f4f6516b754c3ea5ec2d03e5 Reviewed-on: https://skia-review.googlesource.com/8182 Reviewed-by: Chinmay Garde <chinmaygarde@google.com> Reviewed-by: Mike Klein <mtklein@chromium.org> Commit-Queue: Mike Klein <mtklein@chromium.org> |
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Skia is a complete 2D graphic library for drawing Text, Geometries, and Images. See full details, and build instructions, at https://skia.org.