public void InitGraphics()
{
var colorFormat = new ColorFormat(32);
var graphicsMode = new GraphicsMode(colorFormat, 24, 8);
var display = GdkApi.gdk_x11_display_get_xdisplay(Control.Display.Handle);
var screen = Control.Screen.Number;
var windowHandle = GdkApi.gdk_x11_drawable_get_xid(Control.GdkWindow.Handle);
var rootWindow = GdkApi.gdk_x11_drawable_get_xid(Control.RootWindow.Handle);
IntPtr visualInfo;
if (graphicsMode.Index.HasValue)
{
var xVisualInfo = new XVisualInfo
{
VisualID = graphicsMode.Index.Value
};
int dummy;
visualInfo = XApi.XGetVisualInfo(display, (IntPtr)XVisualInfoMask.ID, ref xVisualInfo, out dummy);
}
else
{
visualInfo = GlxApi.glXChooseVisual(display, Control.Screen.Number, new[] {
GlxApi.GLX_RGBA,
GlxApi.GLX_DOUBLEBUFFER,
GlxApi.GLX_RED_SIZE, 8,
GlxApi.GLX_GREEN_SIZE, 8,
GlxApi.GLX_BLUE_SIZE, 8,
GlxApi.GLX_ALPHA_SIZE, 8,
GlxApi.GLX_DEPTH_SIZE, 24,
GlxApi.GLX_STENCIL_SIZE, 8,
GlxApi.GLX_NONE
});
}
windowInfo = Utilities.CreateX11WindowInfo(display, screen, windowHandle, rootWindow, visualInfo);
graphicsContext = new GraphicsContext(graphicsMode, windowInfo);
graphicsContext.MakeCurrent(windowInfo);
graphicsContext.LoadAll();
graphicsContext.SwapInterval = 1;
}
