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internal/uidriver/glfw: Avoid allocating a new slice

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This commit is contained in:
Hajime Hoshi 2021-04-25 00:57:06 +09:00
parent e2ceb7b3a6
commit 091e51ae4c
1 changed files with 2 additions and 2 deletions
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4
internal/uidriver/glfw/ui.go
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@ -967,8 +967,8 @@ func (u *UserInterface) loop() error {
// Create icon images in a different goroutine (#1478).
// In the fullscreen mode, SetIcon fails (#1578).
if imgs := u.getIconImages(); imgs != nil && !u.isFullscreen() {
u.setIconImages(nil)
if imgs := u.getIconImages(); len(imgs) > 0 && !u.isFullscreen() {
u.setIconImages(imgs[:0])
// Convert the icons in the different goroutine, as (*ebiten.Image).At cannot be invoked
// from this goroutine. At works only in between BeginFrame and EndFrame.