all: apply go-fix for Windows and Linux

internal/gamepad/gamepad_desktop_windows.go

@@ -239,7 +239,7 @@ func (g *nativeGamepadsDesktop) detectConnection(gamepads *gamepads) error {
 	if g.xinput != 0 {
 		const xuserMaxCount = 4
 
-		for i := 0; i < xuserMaxCount; i++ {
+		for i := range xuserMaxCount {
 			if gamepads.find(func(g *Gamepad) bool {
 				n := g.native.(*nativeGamepadDesktop)
 				return n.dinputDevice == nil && n.xinputIndex == i

internal/gamepad/gamepad_linux.go

@@ -377,7 +377,7 @@ func (g *nativeGamepadImpl) update(gamepad *gamepads) error {
 }
 
 func (g *nativeGamepadImpl) pollAbsState() error {
-	for code := 0; code < _ABS_CNT; code++ {
+	for code := range _ABS_CNT {
 		if g.absMap[code] < 0 {
 			continue
 		}

internal/graphicsdriver/directx/graphics12_windows.go

@@ -329,7 +329,7 @@ func (g *graphics12) initializeMembers() (ferr error) {
 	}()
 
 	// Create command allocators.
-	for i := 0; i < frameCount; i++ {
+	for i := range frameCount {
 		dca, err := g.device.CreateCommandAllocator(_D3D12_COMMAND_LIST_TYPE_DIRECT)
 		if err != nil {
 			return err
@@ -518,7 +518,7 @@ func (g *graphics12) initSwapChainXbox(width, height int) (ferr error) {
 		return err
 	}
 
-	for i := 0; i < frameCount; i++ {
+	for i := range frameCount {
 		r, err := g.device.CreateCommittedResource(&_D3D12_HEAP_PROPERTIES{
 			Type:                 _D3D12_HEAP_TYPE_DEFAULT,
 			CPUPageProperty:      _D3D12_CPU_PAGE_PROPERTY_UNKNOWN,
@@ -592,7 +592,7 @@ func (g *graphics12) createRenderTargetViewsDesktop() (ferr error) {
 	if err != nil {
 		return err
 	}
-	for i := 0; i < frameCount; i++ {
+	for i := range frameCount {
 		r, err := g.graphicsInfra.getBuffer(uint32(i), &_IID_ID3D12Resource)
 		if err != nil {
 			return err

internal/graphicsdriver/directx/graphics_windows.go

@@ -91,7 +91,7 @@ func NewGraphics() (graphicsdriver.Graphics, error) {
 		env = os.Getenv("EBITEN_DIRECTX")
 	}
 
-	for _, t := range strings.Split(env, ",") {
+	for t := range strings.SplitSeq(env, ",") {
 		t := strings.TrimSpace(t)
 		switch {
 		case t == "warp":