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Core: add .present_frame event replacing swapbuffers call

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Note that on e.g. web platform, swapbuffers is not an explicit call.
We also need a signal that the frame has been submitted and finished,
and this is it.

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2024-04-21 23:53:09 -07:00 • committed by Stephen Gutekanst
parent 431e0dbbe1
commit 656b0202f2
9 changed files with 79 additions and 38 deletions
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16
src/Core.zig
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@ -19,6 +19,10 @@ pub const local_events = .{
\\ Send this when window entities have been updated and you want the new values respected.
},
.present_frame = .{ .handler = presentFrame, .description =
\\ Send this when rendering has finished and the swapchain should be presented.
},
.init = .{ .handler = init },
.init_done = .{ .handler = fn () void },
@ -49,7 +53,7 @@ pub const components = .{
/// try mach.Core.printTitle(core_mod, core_mod.state().main_window, "Hello, {s}!", .{"Mach"});
/// ```
pub fn printTitle(
core: *mach.Core.Mod,
core: *Mod,
window_id: mach.EntityID,
comptime fmt: []const u8,
args: anytype,
@ -106,6 +110,13 @@ fn update(core: *Mod) !void {
if (num_windows > 1) @panic("mach: Core currently only supports a single window");
}
fn presentFrame(core: *Mod) !void {
mach.core.swap_chain.present();
// Signal that mainThreadTick is done
core.send(.main_thread_tick_done, .{});
}
fn deinit(core: *Mod) void {
core.state().queue.release();
// TODO: this triggers a device loss error, which we should handle correctly
@ -129,9 +140,6 @@ fn mainThreadTick(core: *Mod) !void {
// Send .tick to anyone interested
core.sendGlobal(.tick, .{});
// Signal that mainThreadTick is done
core.send(.main_thread_tick_done, .{});
}
fn exit(core: *Mod) void {