d236646a

Migrate runDrawSmokeTest to FrameLoop

a73x 2026-04-16 11:26

Commit message

Migrate runDrawSmokeTest to FrameLoop

Replaces the fixed 900-iteration + manual event-pump pattern with
FrameLoop pacing. Uses a 15-second wall-clock deadline instead of a
frame count.

src/main.zig

Old		New
@@ -2697,27 +2697,30 @@ fn runDrawSmokeTest(alloc: std.mem.Allocator) !void {
2697	try ctx.uploadInstances(&instances);	2697	try ctx.uploadInstances(&instances);
2698	std.debug.print("instances uploaded, rendering for ~15 seconds at 60fps...\n", .{});	2698	std.debug.print("instances uploaded, rendering for ~15 seconds at 60fps...\n", .{});
2699		2699
2700	var i: u32 = 0;	2700	var frame_loop = frame_loop_mod.FrameLoop.init(
2701	while (i < 900) : (i += 1) {	2701	window.displayOps(conn.display),
2702	// Non-blocking Wayland event read: prepare + read + dispatch.	2702	window.surfaceStateView(),
2703	// The Vulkan WSI (FIFO) needs wl_buffer.release events from the compositor	2703	);
2704	// to be read off the socket before it can release an acquire slot.	2704	defer frame_loop.deinit();
2705	_ = conn.display.flush();	2705	window.frame_loop = &frame_loop;
2706	if (conn.display.prepareRead()) {	2706	defer window.frame_loop = null;
2707	_ = conn.display.readEvents();	2707
2708	}	2708	const deadline_ns = @as(i128, std.time.nanoTimestamp()) + 15 * std.time.ns_per_s;
2709	_ = conn.display.dispatchPending();	2709	while (std.time.nanoTimestamp() < deadline_ns and !window.should_close) {
		2710	try frame_loop.waitForWork(&.{}, 16);
		2711	if (!frame_loop.canRender()) continue;
		2712
2710	const baseline_coverage = renderer.coverageVariantParams(.baseline);	2713	const baseline_coverage = renderer.coverageVariantParams(.baseline);
2711	ctx.drawCells(1, .{ cell_w, cell_h }, .{ 0.0, 0.0, 0.0, 1.0 }, baseline_coverage) catch \|err\| switch (err) {	2714	ctx.drawCells(1, .{ cell_w, cell_h }, .{ 0.0, 0.0, 0.0, 1.0 }, baseline_coverage) catch \|err\| switch (err) {
2712	error.OutOfDateKHR => {	2715	error.OutOfDateKHR => {
2713	_ = try ctx.vkd.deviceWaitIdle(ctx.device);	2716	_ = try ctx.vkd.deviceWaitIdle(ctx.device);
2714	try ctx.recreateSwapchain(window.width, window.height);	2717	try ctx.recreateSwapchain(window.width, window.height);
		2718	frame_loop.forceArm();
2715	continue;	2719	continue;
2716	},	2720	},
2717	else => return err,	2721	else => return err,
2718	};	2722	};
2719	_ = conn.display.flush();	2723	try frame_loop.commitRender();
2720	std.Thread.sleep(16 * std.time.ns_per_ms);
2721	}	2724	}
2722		2725
2723	_ = try ctx.vkd.deviceWaitIdle(ctx.device);	2726	_ = try ctx.vkd.deviceWaitIdle(ctx.device);