/// <summary>
/// Creates a new graphics context.
/// </summary>
private void _createGraphicsContext(DevicePixelFormat pixelFormat)
{
_graphicsContext = GraphicsManager.CreateGraphicsContext(_getWindowHandle());
#region Set Pixel Format
DevicePixelFormatCollection pixelFormats = _graphicsContext.PixelsFormats;
System.Collections.Generic.List <DevicePixelFormat> matchingPixelFormats = pixelFormats.Choose(pixelFormat);
if ((matchingPixelFormats.Count == 0) && pixelFormat.MultisampleBits > 0)
{
// Try to select the maximum multisample configuration
int multisampleBits = 0;
pixelFormats.ForEach(delegate(DevicePixelFormat item) { multisampleBits = Math.Max(multisampleBits, item.MultisampleBits); });
pixelFormat.MultisampleBits = multisampleBits;
matchingPixelFormats = pixelFormats.Choose(pixelFormat);
}
if ((matchingPixelFormats.Count == 0) && pixelFormat.DoubleBuffer)
{
// Try single buffered pixel formats
pixelFormat.DoubleBuffer = false;
matchingPixelFormats = pixelFormats.Choose(pixelFormat);
if (matchingPixelFormats.Count == 0)
{
throw new InvalidOperationException(String.Format("unable to find a suitable pixel format: {0}", pixelFormats.GuessChooseError(pixelFormat)));
}
}
else if (matchingPixelFormats.Count == 0)
{
throw new InvalidOperationException(String.Format("unable to find a suitable pixel format: {0}", pixelFormats.GuessChooseError(pixelFormat)));
}
_graphicsContext.SetPixelFormat(matchingPixelFormats[0]);
#endregion
// TODO: Platform specific extension checker
if (WGL.IsExtensionSupported(_graphicsContext.DeviceHandle.Handle, WGL.EXT.SwapControl))
{
// TODO: Handle tear
WGL.SwapIntervalEXT(SwapInterval);
}
}