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Added loading of Glx extensions. Added vsync support.

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This commit is contained in:
the_fiddler 2008-01-23 00:18:52 +00:00
parent e5d9fa8e53
commit 8b3f5afa4c
1 changed files with 35 additions and 19 deletions
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54
Source/OpenTK/Platform/X11/X11GLContext.cs
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@ -20,12 +20,14 @@ namespace OpenTK.Platform.X11
/// </summary>
internal sealed class X11GLContext : IGLContext, IGLContextInternal, IGLContextCreationHack
{
private IntPtr context;
private DisplayMode mode;
private WindowInfo windowInfo = new WindowInfo();
private IntPtr visual;
IntPtr context;
DisplayMode mode;
WindowInfo windowInfo = new WindowInfo();
IntPtr visual;
bool vsync_supported;
int vsync_interval;
private bool disposed;
bool disposed;
#region --- Constructors ---
@ -164,7 +166,8 @@ namespace OpenTK.Platform.X11
this.MakeCurrent();
GL.LoadAll();
Glu.LoadAll();
Glx.LoadAll();
return;
}
// Context creation failed. Retry with a non-shared context with the
@ -179,10 +182,13 @@ namespace OpenTK.Platform.X11
this.MakeCurrent();
GL.LoadAll();
Glu.LoadAll();
Glx.LoadAll();
return;
}
vsync_supported = Glx.SupportsExtension("glxSwapControlSGI");
throw new ApplicationException("Glx.CreateContext call failed (returned 0).");
}
finally
@ -239,6 +245,28 @@ namespace OpenTK.Platform.X11
#endregion
#region public bool VSync
public bool VSync
{
get
{
return vsync_supported && vsync_interval > 0;
}
set
{
if (vsync_supported)
{
int error_code = Glx.Sgi.SwapInterval(value ? 1 : 0);
if (error_code != 0)
throw new GraphicsException(String.Format("Could not set vsync, error code: {0}", error_code));
vsync_interval = value ? 1 : 0;
}
}
}
#endregion
public event DestroyEvent<IGLContext> Destroy;
#region public IntPtr GetAddress(string function)
@ -265,18 +293,6 @@ namespace OpenTK.Platform.X11
throw new Exception("The method or operation is not implemented.");
}
public bool VSync
{
get
{
return false;
}
set
{
}
}
#endregion
#region --- IGLContextInternal Members ---