79 lines
1.2 KiB
Go
79 lines
1.2 KiB
Go
package platform
|
|
|
|
import (
|
|
"errors"
|
|
"runtime"
|
|
"time"
|
|
|
|
"github.com/FooSoft/imgui-go"
|
|
"github.com/go-gl/gl/v2.1/gl"
|
|
"github.com/veandco/go-sdl2/sdl"
|
|
)
|
|
|
|
var (
|
|
platformIsInit bool
|
|
platformImguiContext *imgui.Context
|
|
platformWindows []Window
|
|
)
|
|
|
|
func Init() error {
|
|
if platformIsInit {
|
|
return errors.New("platform is already initialized")
|
|
}
|
|
|
|
runtime.LockOSThread()
|
|
|
|
if err := sdl.Init(sdl.INIT_VIDEO); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := gl.Init(); err != nil {
|
|
return err
|
|
}
|
|
|
|
platformImguiContext = imgui.CreateContext(nil)
|
|
return nil
|
|
}
|
|
|
|
func ProcessEvents() error {
|
|
var terminate bool
|
|
|
|
for !terminate {
|
|
for event := sdl.PollEvent(); event != nil; event = sdl.PollEvent() {
|
|
switch event.(type) {
|
|
case *sdl.QuitEvent:
|
|
terminate = true
|
|
break
|
|
}
|
|
}
|
|
|
|
<-time.After(time.Millisecond * 25)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func Shutdown() error {
|
|
if !platformIsInit {
|
|
return errors.New("platform was not initialized")
|
|
}
|
|
|
|
for _, w := range platformWindows {
|
|
if err := w.Destroy(); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
platformWindows = nil
|
|
return nil
|
|
}
|
|
|
|
func CreateWindow(title string, width, height int) (Window, error) {
|
|
window, err := newWindow(title, width, height)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return window, err
|
|
}
|