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internal/graphicsdriver/metal: add comments

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Hajime Hoshi 2023-01-03 22:10:20 +09:00
parent 365740aca9
commit edb952c9e7
1 changed files with 2 additions and 0 deletions
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2
internal/graphicsdriver/metal/graphics_darwin.go
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@ -216,6 +216,8 @@ func (g *Graphics) flushIfNeeded(present bool) {
if present {
// This check is necessary when skipping to render the screen (SetScreenClearedEveryFrame(false)).
if g.screenDrawable == (ca.MetalDrawable{}) {
// nextDrawable can return immediately when the command buffer is empty.
// TODO: Can we wait for a while to get the next drawable? (#2520)
g.screenDrawable = g.view.nextDrawable()
}
if g.screenDrawable != (ca.MetalDrawable{}) {