mach/src/core/native_entrypoint.zig
2024-07-13 09:06:35 -07:00

36 lines
1.1 KiB
Zig

// Check that the user's app matches the required interface.
comptime {
if (!@import("builtin").is_test) @import("mach").core.AppInterface(@import("app"));
}
// Forward "app" declarations into our namespace, such that @import("root").foo works as expected.
pub usingnamespace @import("app");
const App = @import("app").App;
const std = @import("std");
const mach = @import("mach");
const core = mach.core;
pub usingnamespace if (!@hasDecl(App, "SYSGPUInterface")) extern struct {
pub const SYSGPUInterface = mach.sysgpu.Impl;
} else struct {};
pub fn main() !void {
// Run from the directory where the executable is located so relative assets can be found.
var buffer: [1024]u8 = undefined;
const path = std.fs.selfExeDirPath(buffer[0..]) catch ".";
std.posix.chdir(path) catch {};
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
defer _ = gpa.deinit();
core.allocator = gpa.allocator();
// Initialize GPU implementation
try mach.sysgpu.Impl.init(core.allocator, .{});
var app: App = undefined;
try app.init();
defer app.deinit();
while (!try core.update(&app)) {}
}