diff options
Diffstat (limited to 'src/gui/gui.zig')
| -rw-r--r-- | src/gui/gui.zig | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/gui/gui.zig b/src/gui/gui.zig index 92bec92c..905caa48 100644 --- a/src/gui/gui.zig +++ b/src/gui/gui.zig @@ -2613,6 +2613,7 @@ fn localSession( .fs = fs, .test_mode = test_mode, .test_clock = if (test_mode) host_io.testClock() else null, + .test_hz = if (std.c.getenv("PARDES_TEST_HZ")) |hz| @max(1, std.fmt.parseInt(u64, std.mem.span(hz), 10) catch 60) else 60, }; defer shell.shutdownPtys(); const host = shell.host(); @@ -3898,6 +3899,8 @@ const Shell = struct { retired_shells: [pardes.MAX_PANES]RetiredShell = @splat(.{}), /// PARDES_TEST_CLOCK's virtual time (host_io.testClock), in test mode. test_clock: ?u64 = null, + /// The display rate a virtual clock stands in for (PARDES_TEST_HZ). + test_hz: u64 = 60, fn reap(s: *Shell) void { const now = shellClock(); @@ -4150,10 +4153,17 @@ fn waitInput(ctx: ?*anyopaque, timeout_ms: u32) void { pardes.turn.rest(); const got = c.SDL_WaitEventTimeout(&sev, ms); pardes.turn.wake(); - // The core's wake ran out: a virtual clock moves exactly there. - if (!got and timeout_ms != 0) if (s.test_clock) |*virtual| { - virtual.* = @max(virtual.*, core.nextWake() orelse virtual.*); - }; + // A virtual clock: while a render-time animation moves, each loop + // is a presented frame and moves it by one display frame + // (PARDES_TEST_HZ), events or not, as a real display's present + // would; otherwise a wait that ran out moves it exactly to the + // core's wake. + if (s.test_clock) |*virtual| { + if (core.continuous()) { + const display = virtual.* + std.time.ns_per_s / s.test_hz; + virtual.* = if (core.nextWake()) |due| @max(virtual.*, @min(due, display)) else display; + } else if (!got and timeout_ms != 0) virtual.* = @max(virtual.*, core.nextWake() orelse virtual.*); + } if (got) { // A run of queued motions is one move to its last position (the // handler reads only absolute x/y and held buttons): acting on |