| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GARNET_LIB_UI_GFX_UTIL_TIME_H_ |
| #define GARNET_LIB_UI_GFX_UTIL_TIME_H_ |
| |
| #include <lib/async/default.h> |
| #include <lib/async/time.h> |
| |
| namespace scenic_impl { |
| namespace gfx { |
| |
| // Obtain the default dispatcher's notion of timestamp "now" in Scenic. This |
| // function also helps to reduce clutter and boilerplate. |
| // |
| // It devolves to zx_clock_get_monotonic() for non-test execution, but uses an |
| // alternate timebase in test situations, which reduces test flakes. |
| // |
| // To get it as zx::time, just wrap the result with zx::time(). |
| // |
| // If you have a specific dispatcher you'd like to use, then request the time |
| // directly from that dispatcher. E.g., |
| // zx_time_t now = async_now(dispatcher); |
| // zx::time now = async::Now(dispatcher); |
| inline zx_time_t dispatcher_clock_now() { |
| return async_now(async_get_default_dispatcher()); |
| } |
| |
| } // namespace gfx |
| } // namespace scenic_impl |
| |
| #endif // GARNET_LIB_UI_GFX_UTIL_TIME_H_ |
