/// <summary>
/// Handler class for initializing <see cref="IWindowInfo"/> objects under the X11 platform for both GTK2 and GTK3.
/// </summary>
- public static class XWindowInfoInitializer
- {
+ public static class XWindowInfoInitializer
+ {
#if GTK3
- const string UnixLibGdkName = "libgdk-3.so.0";
+ const string UnixLibGdkName = "libgdk-3.so.0";
#else
const string UnixLibGdkName = "libgdk-x11-2.0.so.0";
#endif
- private const string UnixLibX11Name = "libX11.so.6";
- private const string UnixLibGLName = "libGL.so.1";
-
- /// <summary>
- /// Initializes an <see cref="IWindowInfo"/> under the X11 platform.
- /// </summary>
- /// <param name="mode"></param>
- /// <param name="displayHandle"></param>
- /// <param name="screenNumber"></param>
- /// <param name="gdkWindowHandle"></param>
- /// <param name="gdkRootWindowHandle"></param>
- /// <returns></returns>
- public static IWindowInfo Initialize(GraphicsMode mode, IntPtr displayHandle, int screenNumber, IntPtr gdkWindowHandle, IntPtr gdkRootWindowHandle)
- {
- IntPtr display = gdk_x11_display_get_xdisplay(displayHandle);
+ private const string UnixLibX11Name = "libX11.so.6";
+ private const string UnixLibGLName = "libGL.so.1";
+
+ /// <summary>
+ /// Initializes an <see cref="IWindowInfo"/> under the X11 platform.
+ /// </summary>
+ /// <param name="mode"></param>
+ /// <param name="displayHandle"></param>
+ /// <param name="screenNumber"></param>
+ /// <param name="gdkWindowHandle"></param>
+ /// <param name="gdkRootWindowHandle"></param>
+ /// <returns></returns>
+ public static IWindowInfo Initialize(GraphicsMode mode, IntPtr displayHandle, int screenNumber, IntPtr gdkWindowHandle, IntPtr gdkRootWindowHandle)
+ {
+ IntPtr display = gdk_x11_display_get_xdisplay(displayHandle);
#if GTK3
- IntPtr windowXid = gdk_x11_window_get_xid(gdkWindowHandle);
- IntPtr rootWindowXid = gdk_x11_window_get_xid(gdkRootWindowHandle);
+ IntPtr windowXid = gdk_x11_window_get_xid(gdkWindowHandle);
+ IntPtr rootWindowXid = gdk_x11_window_get_xid(gdkRootWindowHandle);
#else
IntPtr windowXid = gdk_x11_drawable_get_xid(gdkWindowHandle);
IntPtr rootWindowXid = gdk_x11_drawable_get_xid(gdkRootWindowHandle);
#endif
- IntPtr visualInfo;
- if (mode.Index.HasValue)
- {
- XVisualInfo info = new XVisualInfo
- {
- VisualID = mode.Index.Value
- };
+ IntPtr visualInfo;
+ if (mode.Index.HasValue)
+ {
+ XVisualInfo info = new XVisualInfo
+ {
+ VisualID = mode.Index.Value
+ };
- int dummy;
- visualInfo = XGetVisualInfo(display, XVisualInfoMask.ID, ref info, out dummy);
- }
- else
- {
- visualInfo = GetVisualInfo(mode, display, screenNumber);
- }
+ int dummy;
+ visualInfo = XGetVisualInfo(display, XVisualInfoMask.ID, ref info, out dummy);
+ }
+ else
+ {
+ visualInfo = GetVisualInfo(mode, display, screenNumber);
+ }
- IWindowInfo retval = Utilities.CreateX11WindowInfo(display, screenNumber, windowXid, rootWindowXid, visualInfo);
- XFree(visualInfo);
+ IWindowInfo retval = Utilities.CreateX11WindowInfo(display, screenNumber, windowXid, rootWindowXid, visualInfo);
+ XFree(visualInfo);
- return retval;
- }
+ return retval;
+ }
- private static IntPtr XGetVisualInfo(IntPtr display, XVisualInfoMask infoMask, ref XVisualInfo template, out int nitems)
- {
- return XGetVisualInfoInternal(display, (IntPtr)(int)infoMask, ref template, out nitems);
- }
+ private static IntPtr XGetVisualInfo(IntPtr display, XVisualInfoMask infoMask, ref XVisualInfo template, out int nitems)
+ {
+ return XGetVisualInfoInternal(display, (IntPtr)(int)infoMask, ref template, out nitems);
+ }
- private static IntPtr GetVisualInfo(GraphicsMode mode, IntPtr display, int screenNumber)
- {
- try
- {
- int[] attributes = CreateAttributeList(mode).ToArray();
- return glXChooseVisual(display, screenNumber, attributes);
- }
- catch (DllNotFoundException e)
- {
- throw new DllNotFoundException("OpenGL dll not found!", e);
- }
- catch (EntryPointNotFoundException enf)
- {
- throw new EntryPointNotFoundException("Glx entry point not found!", enf);
- }
- }
+ private static IntPtr GetVisualInfo(GraphicsMode mode, IntPtr display, int screenNumber)
+ {
+ try
+ {
+ int[] attributes = CreateAttributeList(mode).ToArray();
+ return glXChooseVisual(display, screenNumber, attributes);
+ }
+ catch (DllNotFoundException e)
+ {
+ throw new DllNotFoundException("OpenGL dll not found!", e);
+ }
+ catch (EntryPointNotFoundException enf)
+ {
+ throw new EntryPointNotFoundException("Glx entry point not found!", enf);
+ }
+ }
- private static List<int> CreateAttributeList(GraphicsMode mode)
- {
- List<int> attributeList = new List<int>(24);
+ private static List<int> CreateAttributeList(GraphicsMode mode)
+ {
+ List<int> attributeList = new List<int>(24);
- attributeList.Add((int)GLXAttribute.RGBA);
+ attributeList.Add((int)GLXAttribute.RGBA);
- if (mode.Buffers > 1)
- {
- attributeList.Add((int)GLXAttribute.DOUBLEBUFFER);
- }
+ if (mode.Buffers > 1)
+ {
+ attributeList.Add((int)GLXAttribute.DOUBLEBUFFER);
+ }
- if (mode.Stereo)
- {
- attributeList.Add((int)GLXAttribute.STEREO);
- }
+ if (mode.Stereo)
+ {
+ attributeList.Add((int)GLXAttribute.STEREO);
+ }
- attributeList.Add((int)GLXAttribute.RED_SIZE);
- attributeList.Add(mode.ColorFormat.Red / 4); // TODO support 16-bit
+ attributeList.Add((int)GLXAttribute.RED_SIZE);
+ attributeList.Add(mode.ColorFormat.Red / 4); // TODO support 16-bit
- attributeList.Add((int)GLXAttribute.GREEN_SIZE);
- attributeList.Add(mode.ColorFormat.Green / 4); // TODO support 16-bit
+ attributeList.Add((int)GLXAttribute.GREEN_SIZE);
+ attributeList.Add(mode.ColorFormat.Green / 4); // TODO support 16-bit
- attributeList.Add((int)GLXAttribute.BLUE_SIZE);
- attributeList.Add(mode.ColorFormat.Blue / 4); // TODO support 16-bit
+ attributeList.Add((int)GLXAttribute.BLUE_SIZE);
+ attributeList.Add(mode.ColorFormat.Blue / 4); // TODO support 16-bit
- attributeList.Add((int)GLXAttribute.ALPHA_SIZE);
- attributeList.Add(mode.ColorFormat.Alpha / 4); // TODO support 16-bit
+ attributeList.Add((int)GLXAttribute.ALPHA_SIZE);
+ attributeList.Add(mode.ColorFormat.Alpha / 4); // TODO support 16-bit
- attributeList.Add((int)GLXAttribute.DEPTH_SIZE);
- attributeList.Add(mode.Depth);
+ attributeList.Add((int)GLXAttribute.DEPTH_SIZE);
+ attributeList.Add(mode.Depth);
- attributeList.Add((int)GLXAttribute.STENCIL_SIZE);
- attributeList.Add(mode.Stencil);
+ attributeList.Add((int)GLXAttribute.STENCIL_SIZE);
+ attributeList.Add(mode.Stencil);
- //attributeList.Add(GLX_AUX_BUFFERS);
- //attributeList.Add(Buffers);
+ //attributeList.Add(GLX_AUX_BUFFERS);
+ //attributeList.Add(Buffers);
- attributeList.Add((int)GLXAttribute.ACCUM_RED_SIZE);
- attributeList.Add(mode.AccumulatorFormat.Red / 4);// TODO support 16-bit
+ attributeList.Add((int)GLXAttribute.ACCUM_RED_SIZE);
+ attributeList.Add(mode.AccumulatorFormat.Red / 4);// TODO support 16-bit
- attributeList.Add((int)GLXAttribute.ACCUM_GREEN_SIZE);
- attributeList.Add(mode.AccumulatorFormat.Green / 4);// TODO support 16-bit
+ attributeList.Add((int)GLXAttribute.ACCUM_GREEN_SIZE);
+ attributeList.Add(mode.AccumulatorFormat.Green / 4);// TODO support 16-bit
- attributeList.Add((int)GLXAttribute.ACCUM_BLUE_SIZE);
- attributeList.Add(mode.AccumulatorFormat.Blue / 4);// TODO support 16-bit
+ attributeList.Add((int)GLXAttribute.ACCUM_BLUE_SIZE);
+ attributeList.Add(mode.AccumulatorFormat.Blue / 4);// TODO support 16-bit
- attributeList.Add((int)GLXAttribute.ACCUM_ALPHA_SIZE);
- attributeList.Add(mode.AccumulatorFormat.Alpha / 4);// TODO support 16-bit
+ attributeList.Add((int)GLXAttribute.ACCUM_ALPHA_SIZE);
+ attributeList.Add(mode.AccumulatorFormat.Alpha / 4);// TODO support 16-bit
- attributeList.Add((int)GLXAttribute.NONE);
+ attributeList.Add((int)GLXAttribute.NONE);
- return attributeList;
- }
+ return attributeList;
+ }
- [DllImport(UnixLibX11Name, EntryPoint = "XGetVisualInfo")]
- private static extern IntPtr XGetVisualInfoInternal(IntPtr display, IntPtr infoMask, ref XVisualInfo template, out int nitems);
-
- [SuppressUnmanagedCodeSecurity, DllImport(UnixLibX11Name)]
- private static extern void XFree(IntPtr handle);
+ [DllImport(UnixLibX11Name, EntryPoint = "XGetVisualInfo")]
+ private static extern IntPtr XGetVisualInfoInternal(IntPtr display, IntPtr infoMask, ref XVisualInfo template, out int nitems);
+
+ [SuppressUnmanagedCodeSecurity, DllImport(UnixLibX11Name)]
+ private static extern void XFree(IntPtr handle);
#if GTK3
- /// <summary> Returns the X resource (window or pixmap) belonging to a GdkWindow. </summary>
- /// <remarks> XID gdk_x11_window_get_xid(GdkWindow *drawable); </remarks>
- /// <param name="gdkDisplay"> The GdkDrawable. </param>
- /// <returns> The ID of window's X resource. </returns>
- [SuppressUnmanagedCodeSecurity, DllImport(UnixLibGdkName)]
- private static extern IntPtr gdk_x11_window_get_xid(IntPtr gdkDisplay);
+ /// <summary> Returns the X resource (window or pixmap) belonging to a GdkWindow. </summary>
+ /// <remarks> XID gdk_x11_window_get_xid(GdkWindow *drawable); </remarks>
+ /// <param name="gdkDisplay"> The GdkDrawable. </param>
+ /// <returns> The ID of window's X resource. </returns>
+ [SuppressUnmanagedCodeSecurity, DllImport(UnixLibGdkName)]
+ private static extern IntPtr gdk_x11_window_get_xid(IntPtr gdkDisplay);
#else
- /// <summary> Returns the X resource (window or pixmap) belonging to a GdkDrawable. </summary>
- /// <remarks> XID gdk_x11_drawable_get_xid(GdkDrawable *drawable); </remarks>
- /// <param name="gdkDisplay"> The GdkDrawable. </param>
- /// <returns> The ID of drawable's X resource. </returns>
- [SuppressUnmanagedCodeSecurity, DllImport(UnixLibGdkName)]
- static extern IntPtr gdk_x11_drawable_get_xid(IntPtr gdkDisplay);
+ /// <summary> Returns the X resource (window or pixmap) belonging to a GdkDrawable. </summary>
+ /// <remarks> XID gdk_x11_drawable_get_xid(GdkDrawable *drawable); </remarks>
+ /// <param name="gdkDisplay"> The GdkDrawable. </param>
+ /// <returns> The ID of drawable's X resource. </returns>
+ [SuppressUnmanagedCodeSecurity, DllImport(UnixLibGdkName)]
+ static extern IntPtr gdk_x11_drawable_get_xid(IntPtr gdkDisplay);
#endif
- /// <summary> Returns the X display of a GdkDisplay. </summary>
- /// <remarks> Display* gdk_x11_display_get_xdisplay(GdkDisplay *display); </remarks>
- /// <param name="gdkDisplay"> The GdkDrawable. </param>
- /// <returns> The X Display of the GdkDisplay. </returns>
- [SuppressUnmanagedCodeSecurity, DllImport(UnixLibGdkName)]
- private static extern IntPtr gdk_x11_display_get_xdisplay(IntPtr gdkDisplay);
-
- [SuppressUnmanagedCodeSecurity, DllImport(UnixLibGLName)]
- private static extern IntPtr glXChooseVisual(IntPtr display, int screen, int[] attr);
- }
+ /// <summary> Returns the X display of a GdkDisplay. </summary>
+ /// <remarks> Display* gdk_x11_display_get_xdisplay(GdkDisplay *display); </remarks>
+ /// <param name="gdkDisplay"> The GdkDrawable. </param>
+ /// <returns> The X Display of the GdkDisplay. </returns>
+ [SuppressUnmanagedCodeSecurity, DllImport(UnixLibGdkName)]
+ private static extern IntPtr gdk_x11_display_get_xdisplay(IntPtr gdkDisplay);
+
+ [SuppressUnmanagedCodeSecurity, DllImport(UnixLibGLName)]
+ private static extern IntPtr glXChooseVisual(IntPtr display, int screen, int[] attr);
+ }
}
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