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internal/graphicsdriver/directx: bug fix: disable fullscreen by Alt+Enter
By default, DirectX 12 tries to make the window fullscreen by Alt+Enter. This caused application crashes. Let's disable this feature. Closes #2123
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@ -542,6 +542,9 @@ const (
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_DXGI_CREATE_FACTORY_DEBUG = 0x01
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_DXGI_CREATE_FACTORY_DEBUG = 0x01
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_DXGI_ERROR_NOT_FOUND = windows.Errno(0x887A0002)
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_DXGI_ERROR_NOT_FOUND = windows.Errno(0x887A0002)
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_DXGI_MWA_NO_ALT_ENTER = 0x2
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_DXGI_MWA_NO_WINDOW_CHANGES = 0x1
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)
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)
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var (
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var (
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@ -1953,6 +1956,14 @@ func (i *_IDXGIFactory4) EnumWarpAdapter() (*_IDXGIAdapter1, error) {
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return ptr, nil
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return ptr, nil
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}
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}
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func (i *_IDXGIFactory4) MakeWindowAssociation(windowHandle windows.HWND, flags uint32) error {
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r, _, _ := syscall.Syscall(i.vtbl.MakeWindowAssociation, 3, uintptr(unsafe.Pointer(i)), uintptr(windowHandle), uintptr(flags))
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if uint32(r) != uint32(windows.S_OK) {
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return fmt.Errorf("directx: IDXGIFactory4::MakeWIndowAssociation failed: HRESULT(%d)", uint32(r))
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}
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return nil
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}
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func (i *_IDXGIFactory4) Release() {
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func (i *_IDXGIFactory4) Release() {
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syscall.Syscall(i.vtbl.Release, 1, uintptr(unsafe.Pointer(i)), 0, 0)
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syscall.Syscall(i.vtbl.Release, 1, uintptr(unsafe.Pointer(i)), 0, 0)
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}
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}
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@ -504,7 +504,12 @@ func (g *Graphics) initSwapChain(width, height int) (ferr error) {
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}
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}
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}()
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}()
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// TODO: Call factory.MakeWindowAssociation not to support fullscreen transitions?
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// MakeWindowAssociation should be called after swap chain creation.
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// https://docs.microsoft.com/en-us/windows/win32/api/dxgi/nf-dxgi-idxgifactory-makewindowassociation
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if err := g.factory.MakeWindowAssociation(g.window, _DXGI_MWA_NO_WINDOW_CHANGES | _DXGI_MWA_NO_ALT_ENTER); err != nil {
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return err
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}
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// TODO: Get the current buffer index?
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// TODO: Get the current buffer index?
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if err := g.createRenderTargetViews(); err != nil {
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if err := g.createRenderTargetViews(); err != nil {
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