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core: refactor glfw appUpdateThread

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Signed-off-by: Stephen Gutekanst <stephen@hexops.com>
This commit is contained in:
Stephen Gutekanst 2024-04-08 22:47:20 -07:00 • committed by Stephen Gutekanst
parent c32c1df00a
commit 69b749879d
1 changed files with 58 additions and 51 deletions
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109
src/core/platform/glfw/Core.zig
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@ -51,6 +51,7 @@ max_refresh_rate: u32,
// Mutable fields only used by main thread
app_update_thread_started: bool = false,
app_update_thread_frequency_started: bool = false,
linux_gamemode: ?bool = null,
cursors: [@typeInfo(CursorShape).Enum.fields.len]?glfw.Cursor,
cursors_tried: [@typeInfo(CursorShape).Enum.fields.len]bool,
@ -540,59 +541,65 @@ pub fn deinit(self: *Core) void {
self.instance.release();
}
pub fn appUpdateThreadTick(self: *Core, app: anytype) bool {
if (!self.app_update_thread_frequency_started) {
self.app_update_thread_frequency_started = true;
self.frame.start() catch unreachable;
}
if (self.swap_chain_update.isSet()) blk: {
self.swap_chain_update.reset();
if (self.current_vsync_mode != self.last_vsync_mode) {
self.last_vsync_mode = self.current_vsync_mode;
switch (self.current_vsync_mode) {
.triple => self.frame.target = 2 * self.max_refresh_rate,
else => self.frame.target = 0,
}
}
const framebuffer_size = self.window.getFramebufferSize();
glfw.getErrorCode() catch break :blk;
if (framebuffer_size.width == 0 or framebuffer_size.height == 0) break :blk;
{
self.swap_chain_mu.lock();
defer self.swap_chain_mu.unlock();
mach_core.swap_chain.release();
self.swap_chain_desc.width = framebuffer_size.width;
self.swap_chain_desc.height = framebuffer_size.height;
self.swap_chain = self.gpu_device.createSwapChain(self.surface, &self.swap_chain_desc);
mach_core.swap_chain = self.swap_chain;
mach_core.descriptor = self.swap_chain_desc;
}
self.pushEvent(.{
.framebuffer_resize = .{
.width = framebuffer_size.width,
.height = framebuffer_size.height,
},
});
}
if (app.update() catch unreachable) {
self.done.set();
// Wake the main thread from any event handling, so there is not e.g. a one second delay
// in exiting the application.
glfw.postEmptyEvent();
return false;
}
self.gpu_device.tick();
self.gpu_device.machWaitForCommandsToBeScheduled();
self.frame.tick();
if (self.frame.delay_ns != 0) std.time.sleep(self.frame.delay_ns);
return true;
}
// Secondary app-update thread
pub fn appUpdateThread(self: *Core, app: anytype) void {
self.frame.start() catch unreachable;
while (true) {
if (self.swap_chain_update.isSet()) blk: {
self.swap_chain_update.reset();
if (self.current_vsync_mode != self.last_vsync_mode) {
self.last_vsync_mode = self.current_vsync_mode;
switch (self.current_vsync_mode) {
.triple => self.frame.target = 2 * self.max_refresh_rate,
else => self.frame.target = 0,
}
}
const framebuffer_size = self.window.getFramebufferSize();
glfw.getErrorCode() catch break :blk;
if (framebuffer_size.width == 0 or framebuffer_size.height == 0) break :blk;
{
self.swap_chain_mu.lock();
defer self.swap_chain_mu.unlock();
mach_core.swap_chain.release();
self.swap_chain_desc.width = framebuffer_size.width;
self.swap_chain_desc.height = framebuffer_size.height;
self.swap_chain = self.gpu_device.createSwapChain(self.surface, &self.swap_chain_desc);
mach_core.swap_chain = self.swap_chain;
mach_core.descriptor = self.swap_chain_desc;
}
self.pushEvent(.{
.framebuffer_resize = .{
.width = framebuffer_size.width,
.height = framebuffer_size.height,
},
});
}
if (app.update() catch unreachable) {
self.done.set();
// Wake the main thread from any event handling, so there is not e.g. a one second delay
// in exiting the application.
glfw.postEmptyEvent();
return;
}
self.gpu_device.tick();
self.gpu_device.machWaitForCommandsToBeScheduled();
self.frame.tick();
if (self.frame.delay_ns != 0) std.time.sleep(self.frame.delay_ns);
}
while (self.appUpdateThreadTick(app)) {}
}
// Called on the main thread