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the_fiddler 2008-03-03 12:48:13 +00:00
parent 9f7d858136
commit 532594c1b2
3 changed files with 274 additions and 0 deletions
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84
Source/OpenTK/Platform/X11/X11GLControl.cs Normal file
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#region --- License ---
/* Licensed under the MIT/X11 license.
* Copyright (c) 2006-2008 the OpenTK Team.
* This notice may not be removed from any source distribution.
* See license.txt for licensing detailed licensing details.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using OpenTK.Graphics;
namespace OpenTK.Platform.X11
{
class X11GLControl : IGLControl
{
GraphicsMode mode;
Control control;
IntPtr display;
internal X11GLControl(GraphicsMode mode, Control control)
{
this.mode = mode;
this.control = control;
X11WindowInfo window = (X11WindowInfo)this.WindowInfo;
XVisualInfo info = new XVisualInfo();
info.visualid = mode.Index;
int dummy;
window.VisualInfo = (XVisualInfo)Marshal.PtrToStructure(
Functions.XGetVisualInfo(window.Display, XVisualInfoMask.ID, ref info, out dummy), typeof(XVisualInfo));
Type xplatui = Type.GetType("System.Windows.Forms.XplatUIX11, System.Windows.Forms");
xplatui.GetField("CustomVisual", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)
.SetValue(null, window.VisualInfo.visual);
xplatui.GetField("CustomColormap", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)
.SetValue(null, API.CreateColormap(window.Display, window.RootWindow, window.VisualInfo.visual, 0));
}
#region --- IGLControl Members ---
public GraphicsContext CreateContext()
{
return new GraphicsContext(mode, this.WindowInfo);
}
public bool IsIdle
{
get { return Functions.XPending(display) == 0; }
}
public IWindowInfo WindowInfo
{
get
{
Type xplatui = Type.GetType("System.Windows.Forms.XplatUIX11, System.Windows.Forms");
if (xplatui == null) throw new PlatformNotSupportedException(
"System.Windows.Forms.XplatUIX11 missing. Unsupported platform or Mono runtime version, aborting.");
X11WindowInfo window = new X11WindowInfo(control.Handle, null);
display =
window.Display = (IntPtr)xplatui.GetField("DisplayHandle",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).GetValue(null);
window.RootWindow = (IntPtr)xplatui.GetField("RootWindow",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).GetValue(null);
window.Screen = (int)xplatui.GetField("ScreenNo",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).GetValue(null);
if (control.IsHandleCreated)
window.WindowHandle = control.Handle;
return window;
}
}
#endregion
}
}

63
Source/OpenTK/Platform/X11/X11GLControlHelper.cs Normal file
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#region --- License ---
/* Licensed under the MIT/X11 license.
* Copyright (c) 2006-2008 the OpenTK Team.
* This notice may not be removed from any source distribution.
* See license.txt for licensing detailed licensing details.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
namespace OpenTK.Platform.X11
{
/// <internal />
/// <summary>Utility to obtain IWindowInfo from a System.Windows.Forms.Control on Mono/X11.</summary>
internal sealed class X11GLControlHelper : IGLControlHelper
{
Control control;
IntPtr display;
public X11GLControlHelper(Control c)
{
}
#region IGLControlHelper Members
public IWindowInfo WindowInfo
{
get
{
X11WindowInfo window = new X11WindowInfo();
Type xplatui = Type.GetType("System.Windows.Forms.XplatUIX11, System.Windows.Forms");
if (xplatui == null)
throw new ApplicationException("Could not get System.Windows.Forms.XplatUIX11 through reflection. Unsupported platform or Mono runtime version, aborting.");
display =
window.Display = (IntPtr)xplatui.GetField("DisplayHandle",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).GetValue(null);
window.RootWindow = (IntPtr)xplatui.GetField("RootWindow",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).GetValue(null);
window.Screen = (int)xplatui.GetField("ScreenNo",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).GetValue(null);
return (IWindowInfo)window;
}
}
public bool IsIdle
{
get
{
lock (Functions.Lock)
{
return Functions.XPending(display) == 0;
}
}
}
#endregion
}
}

127
Source/OpenTK/Platform/X11/X11GraphicsMode.cs Normal file
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#region --- License ---
/* Licensed under the MIT/X11 license.
* Copyright (c) 2006-2008 the OpenTK Team.
* This notice may not be removed from any source distribution.
* See license.txt for licensing detailed licensing details.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Diagnostics;
using OpenTK.Graphics;
namespace OpenTK.Platform.X11
{
class X11GraphicsMode : IGraphicsMode
{
internal X11GraphicsMode()
{
}
public GraphicsMode SelectGraphicsMode(ColorFormat color, int depth, int stencil, int samples, ColorFormat accum,
int buffers, bool stereo)
{
List<int> visualAttributes = new List<int>();
if (color.BitsPerPixel > 0)
{
if (!color.IsIndexed)
visualAttributes.Add((int)GLXAttribute.RGBA);
visualAttributes.Add((int)GLXAttribute.RED_SIZE);
visualAttributes.Add(color.Red);
visualAttributes.Add((int)GLXAttribute.GREEN_SIZE);
visualAttributes.Add(color.Green);
visualAttributes.Add((int)GLXAttribute.BLUE_SIZE);
visualAttributes.Add(color.Blue);
visualAttributes.Add((int)GLXAttribute.ALPHA_SIZE);
visualAttributes.Add(color.Alpha);
}
if (depth > 0)
{
visualAttributes.Add((int)GLXAttribute.DEPTH_SIZE);
visualAttributes.Add(depth);
}
if (buffers > 1)
visualAttributes.Add((int)GLXAttribute.DOUBLEBUFFER);
if (stencil > 1)
{
visualAttributes.Add((int)GLXAttribute.STENCIL_SIZE);
visualAttributes.Add(stencil);
}
if (accum.BitsPerPixel > 0)
{
visualAttributes.Add((int)GLXAttribute.ACCUM_ALPHA_SIZE);
visualAttributes.Add(accum.Alpha);
visualAttributes.Add((int)GLXAttribute.ACCUM_BLUE_SIZE);
visualAttributes.Add(accum.Blue);
visualAttributes.Add((int)GLXAttribute.ACCUM_GREEN_SIZE);
visualAttributes.Add(accum.Green);
visualAttributes.Add((int)GLXAttribute.ACCUM_RED_SIZE);
visualAttributes.Add(accum.Red);
}
if (stereo)
visualAttributes.Add((int)GLXAttribute.STEREO);
visualAttributes.Add((int)0);
// Prepare Windows.Forms for creating OpenGL drawables.
// We reuse the display connection.
// TODO: Multiple screens.
Type xplatui = Type.GetType("System.Windows.Forms.XplatUIX11, System.Windows.Forms");
IntPtr display = (IntPtr)xplatui.GetField("DisplayHandle",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).GetValue(null);
IntPtr root = (IntPtr)xplatui.GetField("RootWindow",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).GetValue(null);
int screen = (int)xplatui.GetField("ScreenNo",
System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic).GetValue(null);
Debug.Print("Display: {0}, Screen: {1}, RootWindow: {2}", display, screen, root);
IntPtr visual = Glx.ChooseVisual(display, screen, visualAttributes.ToArray());
if (visual == IntPtr.Zero)
throw new GraphicsContextException("Requested GraphicsMode not available.");
XVisualInfo info = (XVisualInfo)Marshal.PtrToStructure(visual, typeof(XVisualInfo));
// See what we *really* got:
int r, g, b, a;
Glx.GetConfig(display, ref info, GLXAttribute.ALPHA_SIZE, out a);
Glx.GetConfig(display, ref info, GLXAttribute.RED_SIZE, out r);
Glx.GetConfig(display, ref info, GLXAttribute.GREEN_SIZE, out g);
Glx.GetConfig(display, ref info, GLXAttribute.BLUE_SIZE, out b);
int ar, ag, ab, aa;
Glx.GetConfig(display, ref info, GLXAttribute.ACCUM_ALPHA_SIZE, out aa);
Glx.GetConfig(display, ref info, GLXAttribute.ACCUM_RED_SIZE, out ar);
Glx.GetConfig(display, ref info, GLXAttribute.ACCUM_GREEN_SIZE, out ag);
Glx.GetConfig(display, ref info, GLXAttribute.ACCUM_BLUE_SIZE, out ab);
Glx.GetConfig(display, ref info, GLXAttribute.DEPTH_SIZE, out depth);
Glx.GetConfig(display, ref info, GLXAttribute.STENCIL_SIZE, out stencil);
Glx.GetConfig(display, ref info, GLXAttribute.SAMPLES, out samples);
Glx.GetConfig(display, ref info, GLXAttribute.DOUBLEBUFFER, out buffers);
++buffers; // the above lines returns 0 - false and 1 - true.
int st;
Glx.GetConfig(display, ref info, GLXAttribute.STEREO, out st);
stereo = st != 0;
GraphicsMode gfx = new GraphicsMode(info.visualid, new ColorFormat(r, g, b, a), depth, stencil, samples,
new ColorFormat(ar, ag, ab, aa), buffers, stereo);
xplatui.GetField("CustomVisual", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)
.SetValue(null, visual);
xplatui.GetField("CustomColormap", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.NonPublic)
.SetValue(null, API.CreateColormap(display, root, visual, 0));
return gfx;
}
}
}