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core: Allow tracking of individual struct fields for changes

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foxnne 2024-11-27 08:15:29 -06:00 • committed by Emi Gutekanst
parent d09990700f
commit 0476999dc4
4 changed files with 186 additions and 37 deletions
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86
src/Core.zig
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@ -32,30 +32,35 @@ pub const mach_module = .mach_core;
pub const mach_systems = .{ .main, .init, .tick, .presentFrame, .deinit };
windows: mach.Objects(struct {
// Window title string
// TODO: document how to set this using a format string
// TODO: allocation/free strategy
title: []const u8,
windows: mach.Objects(
struct {
/// Window title string
// TODO: document how to set this using a format string
// TODO: allocation/free strategy
title: []const u8,
// Texture format of the framebuffer (read-only)
framebuffer_format: gpu.Texture.Format,
/// Texture format of the framebuffer (read-only)
framebuffer_format: gpu.Texture.Format,
// Width of the framebuffer in texels (read-only)
framebuffer_width: u32,
/// Width of the framebuffer in texels (read-only)
framebuffer_width: u32,
// Height of the framebuffer in texels (read-only)
framebuffer_height: u32,
/// Height of the framebuffer in texels (read-only)
framebuffer_height: u32,
// Width of the window in virtual pixels (read-only)
width: u32,
/// Width of the window in virtual pixels (read-only)
width: u32,
// Height of the window in virtual pixels (read-only)
height: u32,
/// Height of the window in virtual pixels (read-only)
height: u32,
/// Whether the window is fullscreen (read-only)
fullscreen: bool,
}),
/// Whether the window is fullscreen (read-only)
fullscreen: bool,
},
.{
.track_fields = true,
},
),
/// Callback system invoked per tick (e.g. per-frame)
on_tick: ?mach.FunctionID = null,
@ -218,14 +223,17 @@ pub fn init(core: *Core) !void {
};
core.swap_chain = core.device.createSwapChain(core.surface, &core.descriptor);
core.windows.setRaw(core.main_window, .framebuffer_format, core.descriptor.format);
core.windows.setRaw(core.main_window, .framebuffer_width, core.descriptor.width);
core.windows.setRaw(core.main_window, .framebuffer_height, core.descriptor.height);
// TODO(important): update this information upon framebuffer resize events
var w = core.windows.get(core.main_window).?;
w.framebuffer_format = core.descriptor.format;
w.framebuffer_width = core.descriptor.width;
w.framebuffer_height = core.descriptor.height;
w.width = core.platform.size.width;
w.height = core.platform.size.height;
core.windows.set(core.main_window, w);
// var w = core.windows.get(core.main_window).?;
// w.framebuffer_format = core.descriptor.format;
// w.framebuffer_width = core.descriptor.width;
// w.framebuffer_height = core.descriptor.height;
// w.width = core.platform.size.width;
// w.height = core.platform.size.height;
// core.windows.setAll(core.main_window, w);
core.frame = .{ .target = 0 };
core.input = .{ .target = 1 };
@ -281,6 +289,20 @@ fn platform_update_callback(core: *Core, core_mod: mach.Mod(Core)) !bool {
core_mod.run(core.on_tick.?);
core_mod.call(.presentFrame);
if (core.windows.updated(core.main_window, .width) or core.windows.updated(core.main_window, .height)) {
const window = core.windows.getAll(core.main_window);
if (window) |main_window| {
core.platform.setSize(.{
.width = main_window.width,
.height = main_window.height,
});
}
core.windows.setUpdated(core.main_window, .width, false);
core.windows.setUpdated(core.main_window, .height, false);
}
return core.state != .exited;
}
@ -607,13 +629,13 @@ pub fn presentFrame(core: *Core, core_mod: mach.Mod(Core)) !void {
// TODO(important): update this information in response to resize events rather than
// after frame submission
var win = core.windows.get(core.main_window).?;
win.framebuffer_format = core.descriptor.format;
win.framebuffer_width = core.descriptor.width;
win.framebuffer_height = core.descriptor.height;
win.width = core.platform.size.width;
win.height = core.platform.size.height;
core.windows.set(core.main_window, win);
// var win = core.windows.getAll(core.main_window).?;
// win.framebuffer_format = core.descriptor.format;
// win.framebuffer_width = core.descriptor.width;
// win.framebuffer_height = core.descriptor.height;
// win.width = core.platform.size.width;
// win.height = core.platform.size.height;
// core.windows.setAll(core.main_window, win);
// Record to frame rate frequency monitor that a frame was finished.
core.frame.tick();