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Added CreateContext and DestroyContext functions. Better handling of DisplayModes. Added Mode property.

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This commit is contained in:
the_fiddler 2007-10-15 11:15:34 +00:00
parent 9504ea7ad2
commit 73468f8fa3
1 changed files with 74 additions and 17 deletions
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91
Source/OpenTK/GLControl.cs
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@ -23,15 +23,23 @@ namespace OpenTK
{
IGLContext context;
IPlatformIdle idle;
DisplayMode display_mode;
#region --- Constructor ---
public GLControl()
: this(null)
{
}
public GLControl(DisplayMode mode)
{
InitializeComponent();
this.SetStyle(ControlStyles.UserPaint, true);
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.display_mode = mode;
}
#endregion
@ -41,28 +49,13 @@ namespace OpenTK
protected override void OnHandleCreated(EventArgs e)
{
base.OnHandleCreated(e);
// For maximum compatibility we do not set a specific depth for the DisplayMode.
// The driver is free to find the best match.
WindowInfo info = new WindowInfo(this);
if (!this.DesignMode)
{
context = new GLContext(new DisplayMode(), info);
context.CreateContext();
idle = new PlatformIdle(info);
}
else
{
context = new DummyGLContext();
idle = new DummyPlatformIdle();
}
this.CreateContext();
}
protected override void OnHandleDestroyed(EventArgs e)
{
base.OnHandleDestroyed(e);
context.Dispose();
this.DestroyContext();
}
#endregion
@ -74,6 +67,7 @@ namespace OpenTK
/// <summary>
/// Gets a value indicating whether the current thread contains pending system messages.
/// </summary>
[Browsable(false)]
public bool IsIdle
{
get { return idle.IsIdle; }
@ -86,9 +80,11 @@ namespace OpenTK
/// <summary>
/// Gets an interface to the underlying GLContext used by this GLControl.
/// </summary>
[Browsable(false)]
public IGLContext Context
{
get { return context; }
private set { context = value; }
}
#endregion
@ -98,6 +94,7 @@ namespace OpenTK
/// <summary>
/// Gets the aspect ratio of this GLControl.
/// </summary>
[Description("The aspect ratio of the client area of this GLControl.")]
public float AspectRatio
{
get
@ -113,6 +110,7 @@ namespace OpenTK
/// <summary>
/// Gets or sets a value indicating whether vsync is active for this GLControl.
/// </summary>
[Description("Indicates whether GLControl updates are synced to the monitor's refresh.")]
public bool VSync
{
get
@ -130,6 +128,21 @@ namespace OpenTK
#endregion
#region public DisplayMode Mode
/// <summary>
/// Gets the DisplayMode of the GLContext attached to this GLControl.
/// </summary>
/// <remarks>
/// You cannot change the DisplayMode of an existing GLContext.
/// </remarks>
public DisplayMode Mode
{
get { return Context.Mode; }
}
#endregion
#endregion
#region --- Public Methods ---
@ -159,6 +172,50 @@ namespace OpenTK
#endregion
#region public void CreateContext()
/// <summary>
/// Creates a GLContext and attaches it to this GLControl.
/// </summary>
public void CreateContext()
{
if (display_mode == null)
display_mode = new DisplayMode();
WindowInfo info = new WindowInfo(this);
if (!this.DesignMode)
{
// Mono's implementation of Windows.Forms on X11 does not allow the context to
// have a different colordepth from the parent. To combat this, we do not set a
// specific depth for the DisplayMode - we let the driver select one instead.
display_mode.Color = new ColorMode(0);
context = new GLContext(display_mode, info);
context.CreateContext();
idle = new PlatformIdle(info);
}
else
{
context = new DummyGLContext(display_mode);
idle = new DummyPlatformIdle();
}
}
#endregion
#region public void DestroyContext()
/// <summary>
/// Destroys the GLContext attached to this GLControl.
/// </summary>
/// <exception cref="NullReferenceException">Occurs when no GLContext is attached.</exception>
public void DestroyContext()
{
Context.Dispose();
Context = null;
}
#endregion
#endregion
}