func main() {
if sdl.Init(sdl.INIT_VIDEO) != 0 {
panic(sdl.GetError())
}
defer sdl.Quit()
screen := sdl.SetVideoMode(400, 300, 32, 0)
if screen == nil {
panic(sdl.GetError())
}
sdl.WM_SetCaption("Template", "")
ticker := time.NewTicker(1e9 / 2 /*2 Hz*/)
loop:
for {
select {
case <-ticker.C:
// Note: For better efficiency, use UpdateRects instead of Flip
screen.FillRect(nil /*color*/, rand.Uint32())
//screen.Blit(&sdl.Rect{x,y, 0, 0}, image, nil)
screen.Flip()
case event := <-sdl.Events:
fmt.Printf("%#v\n", event)
switch event.(type) {
case sdl.QuitEvent:
break loop
}
}
}
}
func main() {
verbose := flag.Bool("verbose", false, "verbose mode")
debug := flag.Bool("debug", false, "debug mode")
fullScreen := flag.Bool("fullscreen", false, "go fullscreen")
cpuProfile := flag.String("cpuprofile", "", "write cpu profile to file")
help := flag.Bool("help", false, "Show usage")
flag.Usage = usage
flag.Parse()
if *help {
usage()
return
}
if *cpuProfile != "" {
f, err := os.Create(*cpuProfile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
application.Verbose = *verbose
application.Debug = *debug
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
log.Fatal(sdl.GetError())
}
screen := sms.NewSDL2xScreen(*fullScreen)
sdlLoop := sms.NewSDLLoop(screen)
emulatorLoop := newEmulatorLoop(sdlLoop)
if emulatorLoop == nil {
usage()
return
}
cpuProfiling := *cpuProfile != ""
commandLoop := newCommandLoop(emulatorLoop, sdlLoop, cpuProfiling)
inputLoop := sms.NewInputLoop(emulatorLoop.sms)
application.Register("Emulator loop", emulatorLoop)
application.Register("Command loop", commandLoop)
application.Register("SDL render loop", sdlLoop)
application.Register("SDL input loop", inputLoop)
exitCh := make(chan bool)
application.Run(exitCh)
<-exitCh
sdl.Quit()
}
// TODO: Sprite are not free (sdl)
func (this *RenderManager) Quit() {
// image.Free()
sdl.Quit()
}
func (v *Video) Close() {
sdl.Quit()
}
func Main() {
var init_waitGroup *sync.WaitGroup
init_waitGroup = env.WaitName("init WaitGroup").(*sync.WaitGroup)
init_waitGroup.Add(1)
var app *spectrum.Application
app = env.Wait(reflect.TypeOf(app)).(*spectrum.Application)
var speccy *spectrum.Spectrum48k
speccy = env.Wait(reflect.TypeOf(speccy)).(*spectrum.Spectrum48k)
if !*enableSDL {
return
}
uiSettings = &InitialSettings{
scale2x: Scale2x,
fullscreen: Fullscreen,
showPaintedRegions: ShowPaintedRegions,
audio: Audio,
audioFreq: AudioFreq,
hqAudio: HQAudio,
}
composer = NewSDLSurfaceComposer(app)
composer.ShowPaintedRegions(*ShowPaintedRegions)
// SDL subsystems init
if err := initSDLSubSystems(app); err != nil {
app.PrintfMsg("%s", err)
app.RequestExit()
return
}
// Setup the display
r = NewSDLRenderer(app, speccy, *Scale2x, *Fullscreen, *Audio, *HQAudio, *AudioFreq)
setUI(r)
initCLI()
// Setup the audio
if *Audio {
audio, err := NewSDLAudio(app, *AudioFreq, *HQAudio)
if err == nil {
speccy.CommandChannel <- spectrum.Cmd_AddAudioReceiver{audio}
} else {
app.PrintfMsg("%s", err)
}
}
// Start the SDL event loop
go sdlEventLoop(app, speccy, *verboseInput)
init_waitGroup.Done()
hint := "Hint: Press F10 to invoke the built-in console.\n"
hint += " Input an empty line in the console to display available commands.\n"
fmt.Print(hint)
// Wait for all event loops to terminate, and then call 'sdl.Quit()'
shutdown.Wait()
if r.app.Verbose {
r.app.PrintfMsg("SDL: sdl.Quit()")
}
sdl.Quit()
}
func BenchmarkRender(b *testing.B) {
b.StopTimer()
initSDL()
app := spectrum.NewApplication()
sdlScreen := &SDLScreen{
screenChannel: make(chan *spectrum.DisplayData),
screenSurface: &SDLSurface{newSurface()},
unscaledDisplay: newUnscaledDisplay(),
updatedRectsCh: make(chan []sdl.Rect),
app: app,
}
rom, err := spectrum.ReadROM("testdata/48.rom")
if err != nil {
panic(err)
}
speccy := spectrum.NewSpectrum48k(app, *rom)
speccy.CommandChannel <- spectrum.Cmd_AddDisplay{sdlScreen}
snapshot, err := formats.ReadProgram("testdata/fire.z80")
if err != nil {
panic(err)
}
errChan := make(chan error)
speccy.CommandChannel <- spectrum.Cmd_LoadSnapshot{"<fire>", snapshot.(formats.Snapshot), errChan}
err = <-errChan
if err != nil {
panic(err)
}
// Capture a number of frames sent from 'speccy' to the rendering backends
const numFrames = 1000
var frames [numFrames]*spectrum.DisplayData
{
go func() {
for i := 0; i < numFrames; i++ {
speccy.CommandChannel <- spectrum.Cmd_RenderFrame{nil}
}
}()
for i := 0; i < numFrames; i++ {
frames[i] = <-sdlScreen.screenChannel
}
}
// The actual benchmark
{
b.StartTimer()
go func() {
for {
<-sdlScreen.updatedRectsCh
sdlScreen.screenSurface.surface.Flip()
}
}()
for i := 0; i < b.N; i++ {
sdlScreen.render(frames[i%numFrames])
}
b.StopTimer()
}
app.RequestExit()
<-app.HasTerminated
sdl.Quit()
}