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uidriver/glfw: Avoid (*thread).Call when possible at (*UserInterface).loop

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Updates #1367
This commit is contained in:
Hajime Hoshi 2020-10-17 06:08:13 +09:00
parent cbb70d045c
commit 33fd7c935a
1 changed files with 10 additions and 4 deletions
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14
internal/uidriver/glfw/ui.go
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@ -874,10 +874,16 @@ func (u *UserInterface) loop() error {
if err := u.context.Update(); err != nil {
return err
}
_ = u.t.Call(func() error {
u.swapBuffers()
return nil
})
// swapBuffers also checks IsGL, so this condition is redundant.
// However, (*thread).Call is not good for performance due to channels.
// Let's avoid this whenever possible (#1367).
if u.Graphics().IsGL() {
_ = u.t.Call(func() error {
u.swapBuffers()
return nil
})
}
if unfocused {
t2 = time.Now()