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internal/ui: use sync/atomic for performance

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This commit is contained in:
Hajime Hoshi 2022-09-26 00:27:04 +09:00
parent 909f2fe492
commit 4a82a109be
1 changed files with 4 additions and 8 deletions
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12
internal/ui/ui_glfw.go
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@ -70,7 +70,7 @@ type userInterfaceImpl struct {
windowBeingClosed bool windowBeingClosed bool
windowResizingMode WindowResizingMode windowResizingMode WindowResizingMode
justAfterResized bool justAfterResized bool
inFrame bool inFrame uint32
// err must be accessed from the main thread. // err must be accessed from the main thread.
err error err error
@ -728,15 +728,11 @@ func (u *userInterfaceImpl) createWindow(width, height int) error {
} }
func (u *userInterfaceImpl) beginFrame() { func (u *userInterfaceImpl) beginFrame() {
u.t.Call(func() { atomic.StoreUint32(&u.inFrame, 1)
u.inFrame = true
})
} }
func (u *userInterfaceImpl) endFrame() { func (u *userInterfaceImpl) endFrame() {
u.t.Call(func() { atomic.StoreUint32(&u.inFrame, 0)
u.inFrame = false
})
} }
// registerWindowSetSizeCallback must be called from the main thread. // registerWindowSetSizeCallback must be called from the main thread.
@ -759,7 +755,7 @@ func (u *userInterfaceImpl) registerWindowSetSizeCallback() {
} }
// Now the state is in a frame. (force)UpdateFrame cannot be called recursively. // Now the state is in a frame. (force)UpdateFrame cannot be called recursively.
if u.inFrame { if atomic.LoadUint32(&u.inFrame) != 0 {
return return
} }