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Re-enable per-pixel transparency support on Linux, macOS, and Windows (for Vulkan and OpenGL rendering drivers).

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This commit is contained in:
bruvzg
2022-09-03 13:40:53 +03:00
parent b8977ca333
commit 57829b7cc4
10 changed files with 88 additions and 57 deletions
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25
platform/windows/display_server_windows.cpp
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@@ -1312,7 +1312,28 @@ void DisplayServerWindows::window_set_flag(WindowFlags p_flag, bool p_enabled, W
_update_window_style(p_window);
} break;
case WINDOW_FLAG_TRANSPARENT: {
// FIXME: Implement.
if (p_enabled) {
//enable per-pixel alpha
DWM_BLURBEHIND bb = { 0 };
HRGN hRgn = CreateRectRgn(0, 0, -1, -1);
bb.dwFlags = DWM_BB_ENABLE | DWM_BB_BLURREGION;
bb.hRgnBlur = hRgn;
bb.fEnable = TRUE;
DwmEnableBlurBehindWindow(wd.hWnd, &bb);
wd.layered_window = true;
} else {
//disable per-pixel alpha
wd.layered_window = false;
DWM_BLURBEHIND bb = { 0 };
HRGN hRgn = CreateRectRgn(0, 0, -1, -1);
bb.dwFlags = DWM_BB_ENABLE | DWM_BB_BLURREGION;
bb.hRgnBlur = hRgn;
bb.fEnable = FALSE;
DwmEnableBlurBehindWindow(wd.hWnd, &bb);
}
} break;
case WINDOW_FLAG_NO_FOCUS: {
wd.no_focus = p_enabled;
@@ -1344,7 +1365,7 @@ bool DisplayServerWindows::window_get_flag(WindowFlags p_flag, WindowID p_window
return wd.always_on_top;
} break;
case WINDOW_FLAG_TRANSPARENT: {
// FIXME: Implement.
return wd.layered_window;
} break;
case WINDOW_FLAG_NO_FOCUS: {
return wd.no_focus;