mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-25 19:28:57 +01:00
93 lines
2.2 KiB
Go
93 lines
2.2 KiB
Go
// Copyright 2016 Hajime Hoshi
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// +build android ios
|
|
|
|
// Package ebitenmobileview offers functions for OpenGL/Metal view of mobiles.
|
|
//
|
|
// The functions are not intended for public usages.
|
|
// There is no guarantee of backward compatibility.
|
|
package ebitenmobileview
|
|
|
|
// #cgo ios LDFLAGS: -framework UIKit -framework GLKit -framework QuartzCore -framework OpenGLES
|
|
//
|
|
// #include <stdint.h>
|
|
import "C"
|
|
|
|
import (
|
|
"runtime"
|
|
"sync/atomic"
|
|
|
|
"github.com/hajimehoshi/ebiten/v2"
|
|
"github.com/hajimehoshi/ebiten/v2/internal/devicescale"
|
|
"github.com/hajimehoshi/ebiten/v2/internal/restorable"
|
|
"github.com/hajimehoshi/ebiten/v2/internal/uidriver/mobile"
|
|
)
|
|
|
|
var theState state
|
|
|
|
type state struct {
|
|
running int32
|
|
}
|
|
|
|
func (s *state) isRunning() bool {
|
|
return atomic.LoadInt32(&s.running) != 0
|
|
}
|
|
|
|
func (s *state) run() {
|
|
atomic.StoreInt32(&s.running, 1)
|
|
}
|
|
|
|
func SetGame(game ebiten.Game) {
|
|
if theState.isRunning() {
|
|
panic("ebitenmobileview: SetGame cannot be called twice or more")
|
|
}
|
|
ebiten.RunGameWithoutMainLoop(game)
|
|
theState.run()
|
|
}
|
|
|
|
func Layout(viewWidth, viewHeight float64) {
|
|
mobile.Get().SetOutsideSize(viewWidth, viewHeight)
|
|
}
|
|
|
|
func Update() error {
|
|
// Lock the OS thread since graphics functions (GL) must be called on this thread.
|
|
runtime.LockOSThread()
|
|
defer runtime.UnlockOSThread()
|
|
|
|
if !theState.isRunning() {
|
|
// start is not called yet, but as update can be called from another thread, it is OK. Just ignore
|
|
// this.
|
|
return nil
|
|
}
|
|
|
|
return mobile.Get().Update()
|
|
}
|
|
|
|
func Suspend() {
|
|
mobile.Get().SetForeground(false)
|
|
}
|
|
|
|
func Resume() {
|
|
mobile.Get().SetForeground(true)
|
|
}
|
|
|
|
func OnContextLost() {
|
|
restorable.OnContextLost()
|
|
}
|
|
|
|
func DeviceScale() float64 {
|
|
return devicescale.GetAt(0, 0)
|
|
}
|