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internal/graphicsdriver/directx: add comments

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Hajime Hoshi 2023-10-29 00:19:36 +09:00
parent 6339872da8
commit 1db0abc4ee
1 changed files with 3 additions and 0 deletions
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3
internal/graphicsdriver/directx/graphics_windows.go
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@ -274,6 +274,9 @@ func (g *graphicsInfra) initSwapChain(width, height int, device unsafe.Pointer,
// https://learn.microsoft.com/en-us/windows/win32/api/dxgi/ne-dxgi-dxgi_swap_effect
if !winver.IsWindows10OrGreater() {
desc.SwapEffect = _DXGI_SWAP_EFFECT_SEQUENTIAL
// With the non-flip (bitblt) mode, the buffer count should be 1. See also:
// * https://bugzilla.mozilla.org/show_bug.cgi?id=1419293#c18
// * https://learn.microsoft.com/en-us/windows/win32/direct3ddxgi/dxgi-flip-model
desc.BufferCount = 1
}