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internal/uidriver/glfw: Wait for a FramebufferSize callback for the initial temporary window

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Updates #1847
This commit is contained in:
Hajime Hoshi 2021-10-13 00:15:32 +09:00
parent f2e2b154de
commit afa1d9ce2a
1 changed files with 7 additions and 6 deletions
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13
internal/uidriver/glfw/ui.go
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@ -186,6 +186,7 @@ func initialize() error {
}
defer w.Destroy()
initializeWindowAfterCreation(w)
theUI.waitForFramebufferSizeCallback(w, nil)
m := initialMonitor(w)
theUI.initMonitor = m
@ -731,7 +732,7 @@ func (u *UserInterface) createWindow() error {
// Even just after a window creation, FramebufferSize callback might be invoked (#1847).
// Ensure to consume this callback.
u.waitForFramebufferSizeCallback(nil)
u.waitForFramebufferSizeCallback(u.window, nil)
if u.Graphics().IsGL() {
u.window.MakeContextCurrent()
@ -825,11 +826,11 @@ func (u *UserInterface) registerWindowCloseCallback() {
// If the callback is not invoked for a while, waitForFramebufferSizeCallback times out and return.
//
// waitForFramebufferSizeCallback must be called from the main thread.
func (u *UserInterface) waitForFramebufferSizeCallback(f func()) {
func (u *UserInterface) waitForFramebufferSizeCallback(window *glfw.Window, f func()) {
u.framebufferSizeCallbackCh = make(chan struct{}, 1)
if u.framebufferSizeCallback == 0 {
u.framebufferSizeCallback = glfw.ToFramebufferSizeCallback(func(_ *glfw.Window, w, h int) {
u.framebufferSizeCallback = glfw.ToFramebufferSizeCallback(func(_ *glfw.Window, _, _ int) {
// This callback can be invoked multiple times by one PollEvents in theory (#1618).
// Allow the case when the channel is full.
select {
@ -838,7 +839,7 @@ func (u *UserInterface) waitForFramebufferSizeCallback(f func()) {
}
})
}
u.window.SetFramebufferSizeCallback(u.framebufferSizeCallback)
window.SetFramebufferSizeCallback(u.framebufferSizeCallback)
if f != nil {
f()
@ -860,7 +861,7 @@ event:
time.Sleep(time.Millisecond)
}
}
u.window.SetFramebufferSizeCallback(glfw.ToFramebufferSizeCallback(nil))
window.SetFramebufferSizeCallback(glfw.ToFramebufferSizeCallback(nil))
close(u.framebufferSizeCallbackCh)
u.framebufferSizeCallbackCh = nil
}
@ -1343,7 +1344,7 @@ func (u *UserInterface) setWindowSizeInDPImpl(width, height int, fullscreen bool
if oldW != newW || oldH != newH {
// Just after SetSize, GetSize is not reliable especially on Linux/UNIX.
// Let's wait for FramebufferSize callback in any cases.
u.waitForFramebufferSizeCallback(func() {
u.waitForFramebufferSizeCallback(u.window, func() {
u.window.SetSize(newW, newH)
})
}