Define directMetalGeneration in FeaturesMtl.h. If
ANGLE_ENABLE_METAL_SPIRV is defined to 1 (still the default),
directMetalGeneration defaults to false. It can be overridden via the
standard ANGLE mechanism:
ANGLE_FEATURE_OVERRIDES_ENABLED=directMetalGeneration
It can also be overridden by instantiating angle_end2end_tests with
the directives:
WithDirectMetalGeneration(ES2_METAL())
WithDirectMetalGeneration(ES3_METAL())
These directives aren't working properly yet though. The
direct-to-Metal compiler is instantiated, but the _DirectMetalGen
versions of the tests fail. They pass when switching the Metal
backend's default behavior using the above environment variable. This
will be debugged in follow-on CLs.
Thanks to syoussefi@ for the prototype of this CL:
https://chromium-review.googlesource.com/3076129
Bug: angleproject:5505
Change-Id: I188ab89abc75bf89c5ed2d90102af311feaa1960
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3079083
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
Commit-Queue: Kenneth Russell <kbr@chromium.org>
ff64d2c7e5