public Swapchain CreateSwapchain()
{
Swapchain swapchain;
if (Widget.Backend == GraphicsBackend.OpenGL)
{
swapchain = Widget.GraphicsDevice.MainSwapchain;
}
else
{
// To embed Veldrid in an Eto control, these platform-specific
// versions of CreateSwapchain use the technique outlined here:
//
// https://github.com/mellinoe/veldrid/issues/155
//
var source = SwapchainSource.CreateXlib(
X11Interop.gdk_x11_display_get_xdisplay(Control.Display.Handle),
X11Interop.gdk_x11_window_get_xid(Control.Window.Handle));
var renderSize = RenderSize;
swapchain = Widget.GraphicsDevice.ResourceFactory.CreateSwapchain(
new SwapchainDescription(
source,
(uint)renderSize.Width,
(uint)renderSize.Height,
Widget.GraphicsDeviceOptions.SwapchainDepthFormat,
Widget.GraphicsDeviceOptions.SyncToVerticalBlank,
Widget.GraphicsDeviceOptions.SwapchainSrgbFormat));
}
return(swapchain);
}
public IWindowInfo UpdateWindowInfo(GraphicsMode mode)
{
WindowInfo?.Dispose();
IntPtr display = X11Interop.gdk_x11_display_get_xdisplay(Display.Handle);
int screen = X11Interop.gdk_x11_screen_get_screen_number(Screen.Handle);
IntPtr visualInfo;
if (mode.Index.HasValue)
{
var template = new X11Interop.XVisualInfo {
VisualID = mode.Index.Value
};
visualInfo = X11Interop.XGetVisualInfo(display, (IntPtr)(int)X11Interop.XVisualInfoMask.ID, ref template, out _);
}
else
{
visualInfo = X11Interop.GetVisualInfo(display, screen);
}
WindowInfo = Utilities.CreateX11WindowInfo(
display,
screen,
#if GTK3
X11Interop.gdk_x11_window_get_xid(Window.Handle),
X11Interop.gdk_x11_window_get_xid(Screen.RootWindow.Handle),
#else
X11Interop.gdk_x11_drawable_get_xid(GdkWindow.Handle),
X11Interop.gdk_x11_drawable_get_xid(RootWindow.Handle),
#endif
visualInfo);
X11Interop.XFree(visualInfo);
WindowInfoUpdated?.Invoke(this, EventArgs.Empty);
return(WindowInfo);
}
IntPtr VeldridSurface.IOpenGL.GetProcAddress(string name) => X11Interop.glXGetProcAddress(name);
