package parity_common

import "core:os"

import app "../../app"
import gpu "../.."

Runtime :: struct {
	app_state: app.State,
	headless:  bool,
}

init_runtime :: proc(width, height: u32, title: cstring) -> (runtime: Runtime, ok: bool) {
	runtime.headless = os.get_env("GPU_PROOF_HEADLESS", context.allocator) == "1"
	if runtime.headless {
		if !gpu.init_headless(width, height, title) {
			return runtime, false
		}
		return runtime, true
	}

	state, app_ok := app.init_window(i32(width), i32(height), title)
	if !app_ok {
		return runtime, false
	}
	runtime.app_state = state
	return runtime, true
}

shutdown_runtime :: proc(runtime: ^Runtime) {
	if runtime == nil do return
	if runtime.headless {
		gpu.shutdown()
		return
	}
	app.shutdown(&runtime.app_state)
}