public override bool ShouldAutorotateToInterfaceOrientation(UIInterfaceOrientation toInterfaceOrientation)
{
DisplayOrientation supportedOrientations = OrientationConverter.Normalize(SupportedOrientations);
var toOrientation = OrientationConverter.ToDisplayOrientation(toInterfaceOrientation);
return((toOrientation & supportedOrientations) == toOrientation);
}
public override bool ShouldAutorotateToInterfaceOrientation(UIInterfaceOrientation toInterfaceOrientation)
{
DisplayOrientation supportedOrientations;
if (SupportedOrientations == DisplayOrientation.Default)
{
supportedOrientations = GetDefaultSupportedOrientations();
}
else
{
supportedOrientations = OrientationConverter.Normalize(SupportedOrientations);
}
var toOrientation = OrientationConverter.ToDisplayOrientation(toInterfaceOrientation);
return((toOrientation & supportedOrientations) == toOrientation);
}
public override UIInterfaceOrientation PreferredInterfaceOrientationForPresentation()
{
DisplayOrientation supportedOrientations = OrientationConverter.Normalize(SupportedOrientations);
if ((supportedOrientations & DisplayOrientation.LandscapeRight) != 0)
{
return(UIInterfaceOrientation.LandscapeRight);
}
else if ((supportedOrientations & DisplayOrientation.LandscapeLeft) != 0)
{
return(UIInterfaceOrientation.LandscapeLeft);
}
else
{
return(UIInterfaceOrientation.Portrait);
}
}
/// <summary>
/// Gets the default supported orientations as specified in the
/// Info.plist for the application.
/// </summary>
private DisplayOrientation GetDefaultSupportedOrientations()
{
if (_defaultSupportedOrientations.HasValue)
{
return(_defaultSupportedOrientations.Value);
}
var key = new NSString("UISupportedInterfaceOrientations");
NSObject arrayObj;
if (!NSBundle.MainBundle.InfoDictionary.TryGetValue(key, out arrayObj))
{
_defaultSupportedOrientations = OrientationConverter.Normalize(DisplayOrientation.Default);
return(_defaultSupportedOrientations.Value);
}
DisplayOrientation orientations = (DisplayOrientation)0;
var supportedOrientationStrings = NSArray.ArrayFromHandle <NSString> (arrayObj.Handle);
foreach (var orientationString in supportedOrientationStrings)
{
var s = (string)orientationString;
if (!s.StartsWith("UIInterfaceOrientation"))
{
continue;
}
s = s.Substring("UIInterfaceOrientation".Length);
try {
var supportedOrientation = (UIInterfaceOrientation)Enum.Parse(
typeof(UIInterfaceOrientation), s);
orientations |= OrientationConverter.ToDisplayOrientation(supportedOrientation);
} catch {
}
}
if (orientations == (DisplayOrientation)0)
{
orientations = OrientationConverter.Normalize(DisplayOrientation.Default);
}
_defaultSupportedOrientations = orientations;
return(_defaultSupportedOrientations.Value);
}
private void CreateFramebuffer()
{
AssertNotDisposed();
AssertValidContext();
if (PreserveFrameBuffer)
{
return;
}
__renderbuffergraphicsContext.MakeCurrent(null);
// HACK: GraphicsDevice itself should be calling
// glViewport, so we shouldn't need to do it
// here and then force the state into
// GraphicsDevice. However, that change is a
// ways off, yet.
int unscaledViewportHeight = (int)Math.Round(Layer.Bounds.Size.Height);
int unscaledViewportWidth = (int)Math.Round(Layer.Bounds.Size.Width);
int previousRenderbuffer = 0;
_glapi.GetInteger(All.RenderbufferBinding, ref previousRenderbuffer);
_glapi.GenFramebuffers(1, ref _framebuffer);
_glapi.BindFramebuffer(All.Framebuffer, _framebuffer);
// Create our Depth buffer. Color buffer must be the last one bound
GL.GenRenderbuffers(1, ref _depthbuffer);
GL.BindRenderbuffer(All.Renderbuffer, _depthbuffer);
GL.RenderbufferStorage(All.Renderbuffer, All.DepthComponent16, unscaledViewportWidth * (int)Layer.ContentsScale, unscaledViewportHeight * (int)Layer.ContentsScale);
GL.FramebufferRenderbuffer(All.Framebuffer, All.DepthAttachment, All.Renderbuffer, _depthbuffer);
_glapi.GenRenderbuffers(2, ref _colorbuffer);
_glapi.BindRenderbuffer(All.Renderbuffer, _colorbuffer);
var ctx = ((IGraphicsContextInternal)__renderbuffergraphicsContext).Implementation as iPhoneOSGraphicsContext;
// TODO: EAGLContext.RenderBufferStorage returns false
// on all but the first call. Nevertheless, it
// works. Still, it would be nice to know why it
// claims to have failed.
ctx.EAGLContext.RenderBufferStorage((uint)All.Renderbuffer, Layer);
_glapi.FramebufferRenderbuffer(All.Framebuffer, All.ColorAttachment0, All.Renderbuffer, _colorbuffer);
var status = GL.CheckFramebufferStatus(All.Framebuffer);
if (status != All.FramebufferComplete)
{
throw new InvalidOperationException(
"Framebuffer was not created correctly: " + status);
}
_glapi.Viewport(0, 0, unscaledViewportWidth, unscaledViewportHeight);
_glapi.Scissor(0, 0, unscaledViewportWidth, unscaledViewportHeight);
var gds = (IGraphicsDeviceService)_platform.Game.Services.GetService(
typeof(IGraphicsDeviceService));
if (gds != null && gds.GraphicsDevice != null)
{
var pp = gds.GraphicsDevice.PresentationParameters;
int height = (int)(unscaledViewportHeight * Layer.ContentsScale);
int width = (int)(unscaledViewportWidth * Layer.ContentsScale);
if (this.NextResponder is iOSGameViewController)
{
DisplayOrientation supportedOrientations = OrientationConverter.Normalize((this.NextResponder as iOSGameViewController).SupportedOrientations);
if ((supportedOrientations & DisplayOrientation.LandscapeRight) != 0 || (supportedOrientations & DisplayOrientation.LandscapeLeft) != 0)
{
height = (int)(Math.Min(unscaledViewportHeight, unscaledViewportWidth) * Layer.ContentsScale);
width = (int)(Math.Max(unscaledViewportHeight, unscaledViewportWidth) * Layer.ContentsScale);
}
else
{
height = (int)(Math.Max(unscaledViewportHeight, unscaledViewportWidth) * Layer.ContentsScale);
width = (int)(Math.Min(unscaledViewportHeight, unscaledViewportWidth) * Layer.ContentsScale);
}
}
pp.BackBufferHeight = height;
pp.BackBufferWidth = width;
gds.GraphicsDevice.Viewport = new Viewport(
0, 0,
pp.BackBufferWidth,
pp.BackBufferHeight);
// FIXME: These static methods on GraphicsDevice need
// to go away someday.
gds.GraphicsDevice.glFramebuffer = _framebuffer;
}
if (Threading.BackgroundContext == null)
{
Threading.BackgroundContext = new MonoTouch.OpenGLES.EAGLContext(ctx.EAGLContext.API, ctx.EAGLContext.ShareGroup);
}
}