neurocyte/flow
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feat: minor frame timing improvments

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This commit is contained in:
CJ van den Berg 2024-06-10 21:26:59 +02:00
parent 259b6c015d
commit 2faa5c6b9b
1 changed files with 16 additions and 15 deletions
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31
src/tui/tui.zig
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@ -52,7 +52,7 @@ sigwinch_signal: ?tp.signal = null,
no_sleep: bool = false,
final_exit: []const u8 = "normal",
const idle_frames = 1;
const idle_frames = 0;
const init_delay = 1; // ms
@ -235,29 +235,19 @@ fn receive_safe(self: *Self, from: tp.pid_ref, m: tp.message) tp.result {
if (try m.match(.{"render"})) {
if (!self.frame_clock_running)
self.render(std.time.microTimestamp());
self.render();
return;
}
var counter: usize = undefined;
if (try m.match(.{ "tick", tp.extract(&counter) })) {
tracy.frameMark();
const current_time = std.time.microTimestamp();
if (current_time < self.frame_last_time) { // clock moved backwards
self.frame_last_time = current_time;
return;
}
const time_delta = current_time - self.frame_last_time;
if (time_delta >= self.frame_time * 2 / 3) {
self.frame_last_time = current_time;
self.render(current_time);
}
self.render();
return;
}
if (try m.match(.{"init"})) {
try self.init_delayed();
self.render(std.time.microTimestamp());
self.render();
if (self.init_timer) |*timer| {
timer.deinit();
self.init_timer = null;
@ -297,7 +287,17 @@ fn receive_safe(self: *Self, from: tp.pid_ref, m: tp.message) tp.result {
return tp.unexpected(m);
}
fn render(self: *Self, current_time: i64) void {
fn render(self: *Self) void {
const current_time = std.time.microTimestamp();
if (current_time < self.frame_last_time) { // clock moved backwards
self.frame_last_time = current_time;
return;
}
const time_delta = current_time - self.frame_last_time;
if (!(time_delta >= self.frame_time * 2 / 3)) {
if (self.frame_clock_running)
return;
}
self.frame_last_time = current_time;
{
@ -317,6 +317,7 @@ fn render(self: *Self, current_time: i64) void {
const frame = tracy.initZone(@src(), .{ .name = renderer.log_name ++ " render" });
defer frame.deinit();
self.rdr.render() catch |e| self.logger.err("render", e);
tracy.frameMark();
}
self.idle_frame_count = if (self.unrendered_input_events_count > 0)