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mach: Reorganised native backend files, moved structs and fixed circular

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dependency
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iddev5 2022-05-15 12:33:50 +05:30 • committed by Stephen Gutekanst
parent 2df0bc2786
commit 657091ed65
6 changed files with 106 additions and 117 deletions
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57
src/native.zig
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@ -42,7 +42,7 @@ pub const CoreGlfw = struct {
};
}
pub fn initCallback(self: *CoreGlfw, app: *App, engine: *Engine) void {
fn initCallback(self: *CoreGlfw, app: *App, engine: *Engine) void {
self.user_ptr = UserPtr{
.app = app,
.engine = engine,
@ -361,3 +361,58 @@ pub const GpuDriverNative = struct {
};
}
};
// TODO: check signatures
comptime {
if (!@hasDecl(App, "init")) @compileError("App must export 'pub fn init(app: *App, engine: *mach.Engine) !void'");
if (!@hasDecl(App, "deinit")) @compileError("App must export 'pub fn deinit(app: *App, engine: *mach.Engine) void'");
if (!@hasDecl(App, "update")) @compileError("App must export 'pub fn update(app: *App, engine: *mach.Engine) !bool'");
}
pub fn main() !void {
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
const allocator = gpa.allocator();
const options = if (@hasDecl(App, "options")) App.options else structs.Options{};
var engine = try Engine.init(allocator, options);
var app: App = undefined;
try app.init(&engine);
defer app.deinit(&engine);
// Glfw specific: initialize the user pointer used in callbacks
engine.core.internal.initCallback(&app, &engine);
const window = engine.core.internal.window;
while (!window.shouldClose()) {
try glfw.pollEvents();
engine.delta_time_ns = engine.timer.lap();
engine.delta_time = @intToFloat(f64, engine.delta_time_ns) / @intToFloat(f64, std.time.ns_per_s);
var framebuffer_size = try window.getFramebufferSize();
engine.gpu_driver.target_desc.width = framebuffer_size.width;
engine.gpu_driver.target_desc.height = framebuffer_size.height;
if (engine.gpu_driver.swap_chain == null or !engine.gpu_driver.current_desc.equal(&engine.gpu_driver.target_desc)) {
const use_legacy_api = engine.gpu_driver.surface == null;
if (!use_legacy_api) {
engine.gpu_driver.swap_chain = engine.gpu_driver.device.nativeCreateSwapChain(engine.gpu_driver.surface, &engine.gpu_driver.target_desc);
} else engine.gpu_driver.swap_chain.?.configure(
engine.gpu_driver.swap_chain_format,
.{ .render_attachment = true },
engine.gpu_driver.target_desc.width,
engine.gpu_driver.target_desc.height,
);
if (@hasDecl(App, "resize")) {
try app.resize(&engine, engine.gpu_driver.target_desc.width, engine.gpu_driver.target_desc.height);
}
engine.gpu_driver.current_desc = engine.gpu_driver.target_desc;
}
const success = try app.update(&engine);
if (!success)
break;
}
}