public new void FixtureSetUp()
{
try {
// Create compatibility profile context
if ((_Context = _DeviceContext.CreateContext(IntPtr.Zero)) == IntPtr.Zero)
{
throw new InvalidOperationException("unable to create compatibility profile OpenGL context");
}
// Make OpenGL context current
if (_DeviceContext.MakeCurrent(_Context) == false)
{
throw new InvalidOperationException("unable to make current the OpenGL context");
}
// Get OpenGL version
if ((_VersionString = Gl.GetString(StringName.Version)) == null)
{
throw new InvalidOperationException("unable to get the OpenGL version");
}
// Extract OpenGL version numbers
_Version = KhronosVersion.Parse(_VersionString);
// Get OpenGL extensions
_GlExtensions.Query();
// Get OpenGL window system extensions
// Windows OpenGL extensions
DeviceContextWGL windowsDeviceContext = _DeviceContext as DeviceContextWGL;
if (windowsDeviceContext != null)
{
_WglExtensions.Query(windowsDeviceContext);
}
// GLX OpenGL extensions
DeviceContextGLX xserverDeviceContext = _DeviceContext as DeviceContextGLX;
if (xserverDeviceContext != null)
{
_GlxExtensions.Query(xserverDeviceContext);
}
// EGL OpenGL extensions
DeviceContextEGL nativeDeviceContext = _DeviceContext as DeviceContextEGL;
if (nativeDeviceContext != null)
{
_EglExtensions.Query(nativeDeviceContext);
}
} catch (Exception exception) {
Console.WriteLine("Unable to initialize Fixture for OpenGL: " + exception.ToString());
// Release resources manually
FixtureTearDown();
throw;
}
}
