internal iPhoneOSGraphicsContext(ContextHandle handle, IWindowInfo window, IGraphicsContext sharedContext, int major, int minor, GraphicsContextFlags flags)
{
// ignore mode, window
iPhoneOSGraphicsContext shared = sharedContext as iPhoneOSGraphicsContext;
EAGLRenderingAPI version = 0;
if (major == 1 && minor == 1)
version = EAGLRenderingAPI.OpenGLES1;
else if (major == 2 && minor == 0)
version = EAGLRenderingAPI.OpenGLES2;
else if (major == 3 && minor == 0)
version = EAGLRenderingAPI.OpenGLES3;
else
throw new ArgumentException (string.Format("Unsupported GLES version {0}.{1}.", major, minor));
if (handle.Handle == IntPtr.Zero) {
EAGLContext = shared != null && shared.EAGLContext != null
? new EAGLContext(version, shared.EAGLContext.ShareGroup)
: new EAGLContext(version);
contextHandle = new ContextHandle(EAGLContext.Handle);
} else {
EAGLContext = (EAGLContext) Runtime.GetNSObject (handle.Handle);
contextHandle = handle;
}
}
public void ClearCurrentContext()
{
if (!EAGLContext.SetCurrentContext(null))
{
Console.WriteLine("Failed to clear current context!");
}
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Perform any additional setup after loading the view, typically from a nib.
if (View is GLKView)
{
EAGLContext.SetCurrentContext(((GLKView)View).Context);
_videoMesh = new VideoMesh(this);
string mediaBundlePath = NSBundle.MainBundle.BundlePath + "/media.bundle";
NSBundle mediaBundle = new NSBundle(mediaBundlePath);
_videoMesh.InitMesh(mediaBundle.PathForResource("pikkart_video", "mp4"),
mediaBundle.PathForResource("pikkart_keyframe", "png"), 0, false, null);
}
UITapGestureRecognizer tapGesture = new UITapGestureRecognizer((obj) => {
playOrPauseVideo();
});
View.AddGestureRecognizer(tapGesture);
string[] dbNames = { "" };
PKTCloudRecognitionInfo info = new PKTCloudRecognitionInfo(dbNames);
PKTRecognitionOptions options = new PKTRecognitionOptions(PKTRecognitionStorage.PKTLOCAL,
PKTRecognitionMode.PKTRECOGNITION_CONTINUOS_SCAN,
info);
ApplyCameraGlOrientation(UIApplication.SharedApplication.StatusBarOrientation);
StartRecognition(options, this);
}
void SetupGL()
{
EAGLContext.SetCurrentContext(context);
LoadShaders();
effect = new GLKBaseEffect();
effect.Light0.Enabled = true;
effect.Light0.DiffuseColor = new Vector4(1.0f, 0.4f, 0.4f, 1.0f);
GL.Enable(EnableCap.DepthTest);
GL.Oes.GenVertexArrays(1, out vertexArray);
GL.Oes.BindVertexArray(vertexArray);
GL.GenBuffers(1, out vertexBuffer);
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBuffer);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(cubeVertexData.Length * sizeof(float)), cubeVertexData, BufferUsage.StaticDraw);
GL.EnableVertexAttribArray((int)GLKVertexAttrib.Position);
GL.VertexAttribPointer((int)GLKVertexAttrib.Position, 3, VertexAttribPointerType.Float, false, 24, new IntPtr(0));
GL.EnableVertexAttribArray((int)GLKVertexAttrib.Normal);
GL.VertexAttribPointer((int)GLKVertexAttrib.Normal, 3, VertexAttribPointerType.Float, false, 24, new IntPtr(12));
GL.Oes.BindVertexArray(0);
}
protected virtual void DestroyFrameBuffer()
{
AssertValid();
AssertContext();
EAGLContext oldContext = EAGLContext.CurrentContext;
if (!GraphicsContext.IsCurrent)
{
MakeCurrent();
}
DeleteBuffers();
if (oldContext != EAGLContext)
{
EAGLContext.SetCurrentContext(oldContext);
}
else
{
EAGLContext.SetCurrentContext(null);
}
GraphicsContext.Dispose();
GraphicsContext = null;
gl = null;
}
/// <summary>
/// Runs all pending actions. Must be called from the main thread.
/// </summary>
internal static void Run()
{
AssertMainThread();
#if IOS
lock (BackgroundContext)
{
// Make the context current on this thread if it is not already
if (!Object.ReferenceEquals(EAGLContext.CurrentContext, BackgroundContext))
{
EAGLContext.SetCurrentContext(BackgroundContext);
}
#endif
lock (_actionList)
{
foreach (Action action in _actionList)
{
action.Invoke();
}
_actionList.Clear();
}
#if IOS
// Must flush the GL calls so the GPU asset is ready for the main context to use it
GL.Flush();
GL.CheckError();
}
#endif
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
context = new EAGLContext(EAGLRenderingAPI.OpenGLES3);
if (context == null)
{
context = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
if (context == null)
{
throw new Exception("Unable to create OpenGL ES2 Context");
}
Window.SetObsoleteMode();
}
view = (GLKView)View;
view.Context = context;
view.DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
EAGLContext.SetCurrentContext(context);
window = new Window(view);
GameSetup(window);
}
/// <summary>
/// Subview のレイアウト時のコールバック
///
/// SafeArea 周りのパラメータがこのタイミングで取得出来るようになるので
/// ViewDidLoad() で行なっていた処理を移動
/// </summary>
public override void ViewWillLayoutSubviews()
{
DebugLogViewer.WriteLine("ViewWillLayoutSubviews()");
base.ViewWillLayoutSubviews();
#endif
m_Context = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
if (m_Context == null)
{
DebugLogViewer.WriteLine("Failed to create ES context");
}
var view = (GLKView)View;
view.Context = m_Context;
view.DrawableColorFormat = GLKViewDrawableColorFormat.RGBA8888;
view.DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
// フレームバッファがバインドされていないので、
// フレームバッファ関連のOpenGL関数を使うにはこの方法で事前にバインドしておく
view.BindDrawable();
DebugLogViewer.WriteLine(string.Format("View.Drawable ({0}, {1})", view.DrawableWidth, view.DrawableHeight));
DebugLogViewer.WriteLine(string.Format("view.Bounds {0}", view.Bounds));
SetupGL();
m_Activity = new GLGameTest();
m_Activity.OnSurfaceCreated(view);
RegisterTouchEvent(m_Activity);
}
public static CIContext FromContext (EAGLContext eaglContext, CIContextOptions options)
{
if (options == null)
return FromContext (eaglContext);
return FromContext (eaglContext, options.Dictionary);
}
/// <summary>
/// Runs all pending actions. Must be called from the UI thread.
/// </summary>
internal static void Run()
{
EnsureUIThread();
#if IOS
lock (BackgroundContext)
{
// Make the context current on this thread if it is not already
if (!Object.ReferenceEquals(EAGLContext.CurrentContext, BackgroundContext))
{
EAGLContext.SetCurrentContext(BackgroundContext);
}
#endif
lock (actions)
{
foreach (Action action in actions)
{
action();
}
actions.Clear();
}
#if IOS
// Must flush the GL calls so the GPU asset is ready for the main context to use it
GL.Flush();
GraphicsExtensions.CheckGLError();
}
#endif
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
#if _SAMPLE
context = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
#endif
#if _ENGINE
context = new EAGLContext(EAGLRenderingAPI.OpenGLES3);
#endif
if (context == null)
{
Debug.WriteLine("Failed to create ES context");
}
var view = (GLKView)View;
view.Context = context;
view.DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
#if _ENGINE
view.MultipleTouchEnabled = true;
int scaling = (int)UIScreen.MainScreen.Scale;
if (scaling > 1)
{
view.ContentScaleFactor = (nfloat)1.5;
}
#endif
SetupGL();
}
// Constructor(s)
public GLSignatureView(CGRect frame, NewSignatureViewController root) : base(frame)
{
nsvc = root;
this.EnableSetNeedsDisplay = true;
this.BackgroundColor = UIColor.Yellow;
// set up OpenGL context
this.context = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
this.Context = this.context;
if (this.context != null)
{
this.DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
// Turn on antialiasing
this.DrawableMultisample = GLKViewDrawableMultisample.Sample4x;
// More OpenGL setup
this.SetupGL();
// set up gesture recognizers
panner = new UIPanGestureRecognizer(this, new ObjCRuntime.Selector("GLSignatureViewPan:"));
panner.MaximumNumberOfTouches = panner.MinimumNumberOfTouches = 1;
this.AddGestureRecognizer(panner);
tapper = new UITapGestureRecognizer(this, new ObjCRuntime.Selector("GLSignatureViewTap:"));
this.AddGestureRecognizer(tapper);
}
else
{
throw new Exception("Failed to create OpenGL ES2 context");
}
}
public virtual void Render()
{
if (glContext == null)
{
PrepareGLContexts();
}
EAGLContext.SetCurrentContext(glContext);
// create the surface
if (renderTarget.Width == 0 || renderTarget.Height == 0)
{
renderTarget = SKGLDrawable.CreateRenderTarget();
}
using (var surface = SKSurface.Create(context, renderTarget))
{
// draw on the surface
DrawInSurface(surface, renderTarget);
SKDelegate?.DrawInSurface(surface, renderTarget);
surface.Canvas.Flush();
}
// flush the SkiaSharp context to the GL context
context.Flush();
// present the GL buffers
glContext.PresentRenderBuffer(Gles.GL_RENDERBUFFER);
EAGLContext.SetCurrentContext(null);
}
public override void DidReceiveMemoryWarning()
{
EAGLContext.SetCurrentContext(context);
Closing();
EAGLContext.SetCurrentContext(null);
base.DidReceiveMemoryWarning();
}
protected override void OnElementChanged(ElementChangedEventArgs <OpenGLView> e)
{
if (e.OldElement != null)
{
e.OldElement.DisplayRequested -= Display;
}
if (e.NewElement != null)
{
var context = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
var glkView = new GLKView(RectangleF.Empty)
{
Context = context,
DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24,
Delegate = new Delegate(e.NewElement)
};
SetNativeControl(glkView);
e.NewElement.DisplayRequested += Display;
SetupRenderLoop(false);
}
base.OnElementChanged(e);
}
private void CreateFrameBuffer(CAEAGLLayer eaglLayer)
{
int oldRenderbuffer = 1;
gl.GetInteger(All.RenderbufferBindingOes, out oldRenderbuffer);
gl.GenRenderbuffers(1, out renderbuffer);
gl.BindRenderbuffer(All.RenderbufferOes, renderbuffer);
if (!EAGLContext.RenderBufferStorage((uint)All.RenderbufferOes, eaglLayer))
{
gl.DeleteRenderbuffers(1, ref renderbuffer);
renderbuffer = 0;
gl.BindRenderbuffer(All.RenderbufferBindingOes, oldRenderbuffer);
throw new InvalidOperationException("Error with EAGLContext.RenderBufferStorage!");
}
gl.BindFramebuffer(All.FramebufferOes, framebuffer);
gl.FramebufferRenderbuffer(All.FramebufferOes, All.ColorAttachment0Oes, All.RenderbufferOes, renderbuffer);
Size newSize = new Size(
(int)Math.Round(eaglLayer.Bounds.Size.Width),
(int)Math.Round(eaglLayer.Bounds.Size.Height));
Size = newSize;
gl.Viewport(0, 0, newSize.Width, newSize.Height);
gl.Scissor(0, 0, newSize.Width, newSize.Height);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Code to start the Xamarin Test Cloud Agent
#if ENABLE_TEST_CLOUD
//Xamarin.Calabash.Start();
#endif
context = new EAGLContext(EAGLRenderingAPI.OpenGLES3);
if (context == null)
{
Debug.WriteLine("Failed to create ES context");
}
Typography.FontManagement.InstalledTypefaceCollectionExtensions.CustomSystemFontListLoader = LoadFonts;
var view = (GLKView)View;
view.Context = context;
view.DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
_view_width = (int)view.Frame.Width;
_view_height = (int)view.Frame.Height;
SetupGL();
}
void SetupGL()
{
EAGLContext.SetCurrentContext(context);
_customApp = new CustomApp();
_max = Math.Max(_view_width * 2, _view_height * 2);
_customApp.Setup(_view_width * 2, _view_height * 2);
}
private void PrepareGLContexts()
{
// create GL context
glContext = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
EAGLContext.SetCurrentContext(glContext);
// create render buffer
Gles.glGenRenderbuffers(1, ref renderBuffer);
Gles.glBindRenderbuffer(Gles.GL_RENDERBUFFER, renderBuffer);
glContext.RenderBufferStorage(Gles.GL_RENDERBUFFER, this);
// create frame buffer
Gles.glGenFramebuffers(1, ref framebuffer);
Gles.glBindFramebuffer(Gles.GL_FRAMEBUFFER, framebuffer);
Gles.glFramebufferRenderbuffer(Gles.GL_FRAMEBUFFER, Gles.GL_COLOR_ATTACHMENT0, Gles.GL_RENDERBUFFER, renderBuffer);
// get the bits for SkiaSharp
var glInterface = GRGlInterface.Create();
context = GRContext.CreateGl(glInterface);
// finished
EAGLContext.SetCurrentContext(null);
recreateSurface = true;
}
public override void ViewWillLayoutSubviews()
{
base.ViewWillLayoutSubviews();
EAGLContext context = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
GraphicsView.Context = context;
GraphicsView.SetNeedsDisplay();
}
/// <summary>
/// ICreate an ES 2.0 context
/// </summary>
/// <param name='context'>
/// Context.
/// </param>
/// <param name='drawable'>
/// Drawable.
/// </param>
public void InitWithContext(EAGLContext context, CAEAGLLayer drawable)
{
GL.GenFramebuffers(1, out m_defaultFBOName);
// Create default framebuffer object. The backing will be allocated for the current layer in resizeFromLayer
GL.GenRenderbuffers(1, out m_colorRenderbuffer);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, m_defaultFBOName);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, m_colorRenderbuffer);
m_context = context;
// This call associates the storage for the current render buffer with the EAGLDrawable (our CAEGLLAyer)
// allowing us to draw into a buffer that will later be rendered to the screen wherever the layer is
//(which correspondes with our) view.
m_context.RenderBufferStorage((uint)All.Renderbuffer, drawable);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferSlot.ColorAttachment0, RenderbufferTarget.Renderbuffer, m_colorRenderbuffer);
int backingWidth;
int backingHeight;
GL.GetRenderbufferParameter(RenderbufferTarget.Renderbuffer, RenderbufferParameterName.RenderbufferWidth, out backingWidth);
GL.GetRenderbufferParameter(RenderbufferTarget.Renderbuffer, RenderbufferParameterName.RenderbufferHeight, out backingHeight);
GL.GenRenderbuffers(1, out m_depthRenderbuffer);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, m_depthRenderbuffer);
GL.RenderbufferStorage(RenderbufferTarget.Renderbuffer, RenderbufferInternalFormat.DepthComponent16, backingWidth, backingHeight);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferSlot.DepthAttachment, RenderbufferTarget.Renderbuffer, m_depthRenderbuffer);
var frameBufferError = GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer);
if(frameBufferError != FramebufferErrorCode.FramebufferComplete)
{
throw new ApplicationException("Failed to make complete framebuffer object: " + frameBufferError);
}
InitWithDefaultFBO(m_defaultFBOName);
}
public override void MovedToWindow()
{
base.MovedToWindow();
if (Window == null)
{
Log.Info("MapView.MovedToWindow: null");
lock (this) {
if (_active)
{
_baseMapView.OnSurfaceDestroyed();
if (EAGLContext.CurrentContext == Context)
{
EAGLContext.SetCurrentContext(null);
}
_active = false;
_surfaceCreated = false;
}
}
}
else
{
Log.Info("MapView.MovedToWindow: nonnull");
SetNeedsDisplay();
}
}
public override void WillMoveToWindow(UIWindow newWindow)
{
base.WillMoveToWindow(newWindow);
if (newWindow == null)
{
Log.Info("MapView.WillMoveToWindow: null");
}
else
{
Log.Info("MapView.WillMoveToWindow: nonnull");
lock (this) {
if (!_active)
{
InitContext();
if (EAGLContext.CurrentContext == null)
{
EAGLContext.SetCurrentContext(Context);
}
_active = true;
_surfaceCreated = false;
}
}
}
}
void SetupGL()
{
EAGLContext.SetCurrentContext(context);
max = Math.Max(view_width, view_height);
customApp = new CustomApp();
customApp.Setup(800, 600);
}
internal iPhoneOSGraphicsContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext sharedContext, int major, int minor, GraphicsContextFlags flags)
{
// ignore mode, window
iPhoneOSGraphicsContext shared = sharedContext as iPhoneOSGraphicsContext;
EAGLRenderingAPI version = 0;
if (major == 1 && minor == 1)
{
version = EAGLRenderingAPI.OpenGLES1;
}
else if (major == 2 && minor == 0)
{
version = EAGLRenderingAPI.OpenGLES2;
}
else if (major == 3 && minor == 0)
{
version = EAGLRenderingAPI.OpenGLES3;
}
else
{
throw new ArgumentException (string.Format("Unsupported GLES version {0}.{1}.", major, minor));
}
EAGLContext = shared != null && shared.EAGLContext != null
? new EAGLContext(version, shared.EAGLContext.ShareGroup)
: new EAGLContext(version);
Handle = new ContextHandle(EAGLContext.Handle);
}
public void SetupGL()
{
EAGLContext.SetCurrentContext(context);
SetupBuffers();
LoadShaders();
GL.UseProgram(Program);
// 0 and 1 are the texture IDs of lumaTexture and chromaTexture respectively.
GL.Uniform1(uniforms [(int)UniformIndex.Y], 0);
GL.Uniform1(uniforms [(int)UniformIndex.UV], 1);
GL.Uniform1(uniforms [(int)UniformIndex.RotationAngle], 0);
GL.UniformMatrix3(uniforms [(int)UniformIndex.ColorConversionMatrix], 1, false, preferredConversion);
if (videoTextureCache != null)
{
return;
}
videoTextureCache = CVOpenGLESTextureCache.FromEAGLContext(context);
if (videoTextureCache == null)
{
Console.WriteLine("Error at CVOpenGLESTextureCache.FromEAGLContext");
}
}
void DoUpdate()
{
// set context and bind buffers
EAGLContext.SetCurrentContext(_glContext);
ThreadContext.Current.GLContext = _glContext.Handle;
_alContext.MakeCurrent();
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, _cb);
// do user time-step
var time = _link.Timestamp;
_frame.Time = time;
_frame.DeltaTime = _lastTime < 0.0 ? 0f : (float)(time - _lastTime);
_lastTime = time;
if (_loadFrame > 0)
{
_frame.DeltaTime = Interval / 60f;
_loadFrame--;
}
if (this.Update != null)
{
Update(this, _frame);
}
if (this.Render != null)
{
Render(this, _frame);
}
// present output
_glContext.PresentRenderBuffer((uint)RenderbufferTarget.Renderbuffer);
}
public override void LayoutSubviews()
{
// ISSUE: reference to a compiler-generated method
base.LayoutSubviews();
if (GraphicsContext == null)
{
return;
}
var bounds = Bounds;
if (Math.Round(bounds.Width) == Size.Width && Math.Round(bounds.Height) == Size.Height)
{
return;
}
if (!GraphicsContext.IsCurrent)
{
MakeCurrent();
}
Size = new Size((int)bounds.Width, (int)bounds.Height);
GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, renderBuffer);
if (!EAGLContext.RenderBufferStorage((uint)RenderbufferTarget.Renderbuffer, (CAEAGLLayer)Layer))
{
throw new InvalidOperationException("Error with RenderbufferStorage()!");
}
GL.BindFramebuffer(FramebufferTarget.Framebuffer, frameBuffer);
GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, RenderbufferTarget.Renderbuffer, frameBuffer);
}
protected virtual void DestroyFrameBuffer()
{
AssertValid();
AssertContext();
EAGLContext oldContext = EAGLContext.CurrentContext;
if (!GraphicsContext.IsCurrent)
{
MakeCurrent();
}
gl.DeleteFramebuffers(1, ref framebuffer);
gl.DeleteRenderbuffers(1, ref renderbuffer);
framebuffer = renderbuffer = 0;
if (oldContext != EAGLContext)
{
EAGLContext.SetCurrentContext(oldContext);
}
else
{
EAGLContext.SetCurrentContext(null);
}
GraphicsContext.Dispose();
GraphicsContext = null;
gl = null;
}
public void MakeCurrent(IWindowInfo info)
{
if (!EAGLContext.SetCurrentContext(this.Context))
{
throw new InvalidOperationException("Unable to change current EAGLContext.");
}
}
/// <summary>
/// Sets up and initializes OpenGL ES
/// </summary>
void SetupGL()
{
// Setup the Rendering Context...
Context = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
if (Context == null)
{
Console.WriteLine("Failed to create ES context");
}
// Initialize the Renderer...
Renderer = new ES2Renderer();
// Initialize the View...
View.Context = Context;
View.EnableSetNeedsDisplay = true;
View.ClearsContextBeforeDrawing = false;
View.DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
View.DrawableMultisample = GLKViewDrawableMultisample.None;
View.DrawInRect += Draw;
EAGLContext.SetCurrentContext(Context);
GL.ClearDepth(0.0f);
GL.DepthRange(0.0f, 1.0f);
GL.Enable(EnableCap.DepthTest);
GL.DepthFunc(DepthFunction.Equal);
GL.DepthMask(true);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Disable(EnableCap.Dither);
GL.Disable(EnableCap.CullFace);
}
/// <summary>
/// Runs the given action on the UI thread and blocks the current thread while the action is running.
/// If the current thread is the UI thread, the action will run immediately.
/// </summary>
/// <param name="action">The action to be run on the UI thread</param>
internal static void BlockOnUIThread(Action action)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
#if DIRECTX || PSM
action();
#else
// If we are already on the UI thread, just call the action and be done with it
if (mainThreadId == Thread.CurrentThread.ManagedThreadId)
{
action();
return;
}
#if IOS
lock (BackgroundContext)
{
// Make the context current on this thread if it is not already
if (!Object.ReferenceEquals(EAGLContext.CurrentContext, BackgroundContext))
{
EAGLContext.SetCurrentContext(BackgroundContext);
}
// Execute the action
action();
// Must flush the GL calls so the GPU asset is ready for the main context to use it
GL.Flush();
GraphicsExtensions.CheckGLError();
}
#elif SDL2 && THREADED_GL
lock (BackgroundContext)
{
// Make the context current on this thread
SDL.SDL_GL_MakeCurrent(WindowInfo, BackgroundContext.context);
// Execute the action
action();
// Must flush the GL calls so the texture is ready for the main context to use
GL.Flush();
GraphicsExtensions.CheckGLError();
// Must make the context not current on this thread or the next thread will get error 170 from the MakeCurrent call
SDL.SDL_GL_MakeCurrent(WindowInfo, IntPtr.Zero);
}
#else
ManualResetEventSlim resetEvent = new ManualResetEventSlim(false);
Add(() =>
{
#if ANDROID
//if (!Game.Instance.Window.GraphicsContext.IsCurrent)
Game.Instance.Window.MakeCurrent();
#endif
action();
resetEvent.Set();
});
resetEvent.Wait();
#endif
#endif
}
protected override void OnBeginFrame()
{
_stopwatch.Start();
_stopwatch2.Restart();
EAGLContext.SetCurrentContext(GLContext);
GL.BindFrameBuffer(_frameBufferId);
}
internal override void Initialize(GameContext gameContext)
{
GameContext = gameContext;
gameForm = gameContext.GameView;
nativeWindow = new WindowHandle(AppContextType.iOS, gameForm);
gameForm.Load += gameForm_Load;
gameForm.Unload += gameForm_Unload;
gameForm.RenderFrame += gameForm_RenderFrame;
// get the OpenGL ES version
var contextAvailable = false;
foreach (var version in OpenGLUtils.GetGLVersions(gameContext.RequestedGraphicsProfile))
{
var contextRenderingApi = MajorVersionTOEAGLRenderingAPI(version);
EAGLContext contextTest = null;
try
{
contextTest = new EAGLContext(contextRenderingApi);
// delete extra context
if (contextTest != null)
contextTest.Dispose();
gameForm.ContextRenderingApi = contextRenderingApi;
contextAvailable = true;
}
catch (Exception)
{
// TODO: log message
}
}
if (!contextAvailable)
throw new Exception("Graphics context could not be created.");
gameForm.LayerColorFormat = MonoTouch.OpenGLES.EAGLColorFormat.RGBA8;
//gameForm.LayerRetainsBacking = false;
// Setup the initial size of the window
var width = gameContext.RequestedWidth;
if (width == 0)
{
width = (int)(gameForm.Size.Width * gameForm.ContentScaleFactor);
}
var height = gameContext.RequestedHeight;
if (height == 0)
{
height = (int)(gameForm.Size.Height * gameForm.ContentScaleFactor);
}
gameForm.Size = new Size(width, height);
//gameForm.Resize += OnClientSizeChanged;
}
public OpenGLRenderer () : base()
{
CurrentContext = new EAGLContext (EAGLRenderingAPI.OpenGLES2);
EAGLContext.SetCurrentContext (CurrentContext);
SetupOffScreenRenderContext();
loadShaders ();
EAGLContext.SetCurrentContext (null);
}
public static NSData GetJpegRepresentation (this CIImage image, float compressionQuality)
{
if (ciContext == null) {
var eaglContext = new EAGLContext (EAGLRenderingAPI.OpenGLES2);
ciContext = CIContext.FromContext (eaglContext);
}
using (CGImage outputImageRef = ciContext.CreateCGImage (image, image.Extent)) {
using (UIImage uiImage = UIImage.FromImage (outputImageRef, 1f, UIImageOrientation.Up)) {
return uiImage.AsJPEG (compressionQuality);
}
}
}
public GLView () : base ()
{
CAEAGLLayer eaglLayer = (CAEAGLLayer)Layer;
eaglLayer.Opaque = true;
context = new EAGLContext (EAGLRenderingAPI.OpenGLES2);
if (context == null || !EAGLContext.SetCurrentContext (context))
return;
animating = false;
AnimationFrameInterval = 2;
}
public CVOpenGLESTextureCache (EAGLContext context)
{
if (context == null)
throw new ArgumentNullException ("context");
if (CVOpenGLESTextureCacheCreate (IntPtr.Zero,
IntPtr.Zero, /* change one day to support cache attributes */
context.Handle,
IntPtr.Zero, /* change one day to support texture attributes */
out handle) == 0)
return;
throw new Exception ("Could not create the texture cache");
}
public override void ViewDidLoad ()
{
base.ViewDidLoad ();
context = new EAGLContext (EAGLRenderingAPI.OpenGLES2);
if (context == null)
Console.WriteLine ("Failed to create ES context");
GLKView view = View as GLKView;
view.Context = context;
view.DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
setupGL ();
}
/// <summary>
/// Constructs an instance of ImageFilter.
/// Newer iOS devices and versions can use GPU to render images and is much faster than using CPU.
/// However, some older devices and/or iOS versions (specifically iPad 1 on iOS 5.x)
/// may not be able to use GPU and needs to use the CPU. In that case, set the useGPU flag to false.
/// </summary>
/// <param name='useGPU'>
/// useGPU true indicates to use GPU to render images; false indicates to use CPU.
/// </param>
public ImageFilter(bool useGPU = true)
{
if (useGPU)
{
EAGLContext eaglContext = new EAGLContext(EAGLRenderingAPI.S2);
Dictionary<object, object> opts = new Dictionary<object, object>();
opts[CIContext.kCIContextWorkingColorSpace] = NSNull.Null();
_ciContext = CIContext.Context(eaglContext, opts);
}
else
{
_ciContext = CIContext.Context((Dictionary<object, object>) null);
}
}
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
if (context != null)
{
context.Dispose();
context = null;
}
if (displayLink != null)
{
displayLink.Dispose();
displayLink = null;
}
}
public override void ViewDidLoad ()
{
bool isPad = UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad;
base.ViewDidLoad ();
context = new EAGLContext (EAGLRenderingAPI.OpenGLES2);
glkView = (GLKView) View;
glkView.Context = context;
glkView.MultipleTouchEnabled = true;
PreferredFramesPerSecond = 60;
size = UIScreen.MainScreen.Bounds.Size.ToRoundedCGSize ();
View.ContentScaleFactor = UIScreen.MainScreen.Scale;
meshFactor = isPad ? 8 : 4;
SetupGL ();
SetupAVCapture (isPad ? AVCaptureSession.PresetiFrame1280x720 : AVCaptureSession.Preset640x480);
}
public RosyWriterPreviewWindow (RectangleF frame) : base(frame)
{
// Use 2x scale factor on Retina dispalys.
ContentScaleFactor = UIScreen.MainScreen.Scale;
// Initialize OpenGL ES 2
CAEAGLLayer eagleLayer = (CAEAGLLayer)Layer;
eagleLayer.Opaque = true;
eagleLayer.DrawableProperties = NSDictionary.FromObjectsAndKeys (
new object[] { NSNumber.FromBoolean (false), EAGLColorFormat.RGBA8 },
new object[] { EAGLDrawableProperty.RetainedBacking, EAGLDrawableProperty.ColorFormat }
);
Context = new EAGLContext (EAGLRenderingAPI.OpenGLES2);
if(!EAGLContext.SetCurrentContext(Context))
throw new ApplicationException("Could not set EAGLContext");
}
public RosyWriterPreviewWindow(CGRect frame)
: base(frame)
{
// Use 2x scale factor on Retina dispalys.
ContentScaleFactor = UIScreen.MainScreen.Scale;
// Initialize OpenGL ES 2
var eagleLayer = (CAEAGLLayer)Layer;
eagleLayer.Opaque = true;
eagleLayer.DrawableProperties = new NSDictionary (
EAGLDrawableProperty.RetainedBacking, false,
EAGLDrawableProperty.ColorFormat, EAGLColorFormat.RGBA8
);
Context = new EAGLContext (EAGLRenderingAPI.OpenGLES2);
if (!EAGLContext.SetCurrentContext (Context))
throw new ApplicationException ("Could not set EAGLContext");
}
internal override void Initialize(GameContext gameContext)
{
GameContext = gameContext;
gameForm = gameContext.GameView;
nativeWindow = new WindowHandle(AppContextType.iOS, gameForm);
gameForm.Load += gameForm_Load;
gameForm.Unload += gameForm_Unload;
gameForm.RenderFrame += gameForm_RenderFrame;
// get the OpenGL ES version
var contextAvailable = false;
foreach (var version in OpenGLUtils.GetGLVersions(gameContext.RequestedGraphicsProfile))
{
var contextRenderingApi = MajorVersionTOEAGLRenderingAPI(version);
EAGLContext contextTest = null;
try
{
contextTest = new EAGLContext(contextRenderingApi);
// delete extra context
if (contextTest != null)
contextTest.Dispose();
gameForm.ContextRenderingApi = contextRenderingApi;
contextAvailable = true;
break;
}
catch (Exception)
{
// TODO: log message
}
}
if (!contextAvailable)
throw new Exception("Graphics context could not be created.");
gameForm.LayerColorFormat = EAGLColorFormat.RGBA8;
//gameForm.LayerRetainsBacking = false;
}
private void CreateFrameBuffer()
{
// Setup layer
eaglLayer = (CAEAGLLayer)this.Layer;
eaglLayer.Opaque = false;
bool layerRetainsBacking = false;
NSString layerColorFormat = EAGLColorFormat.RGBA8;
eaglLayer.DrawableProperties = NSDictionary.FromObjectsAndKeys(new NSObject[]
{
NSNumber.FromBoolean(layerRetainsBacking),
layerColorFormat
}, new NSObject[]
{
EAGLDrawableProperty.RetainedBacking,
EAGLDrawableProperty.ColorFormat
});
// Create OpenGL drawing context
EAGLRenderingAPI api = EAGLRenderingAPI.OpenGLES2;
context = new EAGLContext(api);
if (context == null)
{
throw new InvalidOperationException("Failed to initialize OpenGLES 2.0 context");
}
if (!EAGLContext.SetCurrentContext(context))
{
throw new InvalidOperationException("Failed to set current OpenGL context");
}
// Create render buffer and assign it to the context
GL.GenRenderbuffers(1, ref colorRenderBuffer);
GL.BindRenderbuffer(All.Renderbuffer, colorRenderBuffer);
context.RenderBufferStorage((uint)All.Renderbuffer, eaglLayer);
// Create frame buffer
uint frameBuffer = 0;
GL.GenFramebuffers(1, ref frameBuffer);
GL.BindFramebuffer(All.Framebuffer, frameBuffer);
GL.FramebufferRenderbuffer(All.Framebuffer, All.ColorAttachment0, All.Renderbuffer, colorRenderBuffer);
// Set viewport
Size size = new Size((int)Math.Round((double)eaglLayer.Bounds.Size.Width), (int)Math.Round((double)eaglLayer.Bounds.Size.Height));
GL.Viewport(0, 0, size.Width, size.Height);
// Create CADisplayLink for animation loop
displayLink = CADisplayLink.Create(this, new Selector("render"));
displayLink.FrameInterval = 1;
displayLink.AddToRunLoop(NSRunLoop.Current, NSRunLoop.NSDefaultRunLoopMode);
}
public override void ViewDidUnload ()
{
base.ViewDidUnload ();
tearDownGL ();
if (EAGLContext.CurrentContext == context)
EAGLContext.SetCurrentContext (null);
context = null;
rpyLabel = null;
}
public override void ViewDidLoad ()
{
base.ViewDidLoad ();
context = new EAGLContext (EAGLRenderingAPI.OpenGLES2);
if (context == null)
Console.WriteLine ("Failed to create ES context");
var view = (GLKView) View;
view.DrawInRect += Draw;
view.Context = context;
view.DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
// for planet positions
generateRandomPermutation ();
// for star positions
for (int i = 0; i < NumStars; i++) {
star [i].X = (float) (gen.NextDouble () - .5f) * FarZ;
star [i].Y = (float) (gen.NextDouble () - .5f) * FarZ;
star [i].Z = (float) gen.NextDouble () * (FarZ - MinStarHeight) + MinStarHeight;
}
setupGL ();
motionManager = new CMMotionManager ();
isDeviceMotionAvailable = motionManager.DeviceMotionAvailable;
// the label for roll, pitch and yaw reading
rpyLabel = new UILabel (new CGRect (0, 0, (int) UIScreen.MainScreen.Bounds.Size.Width, 30));
rpyLabel.BackgroundColor = UIColor.Clear;
rpyLabel.TextColor = UIColor.White;
rpyLabel.TextAlignment = UITextAlignment.Center;
rpyLabel.LineBreakMode = UILineBreakMode.WordWrap;
rpyLabel.Font = UIFont.FromName ("Helvetica-Bold", 20f);
View.AddSubview (rpyLabel);
}
public static CVOpenGLESTextureCache FromEAGLContext (EAGLContext context)
{
if (context == null)
throw new ArgumentNullException ("context");
IntPtr handle;
if (CVOpenGLESTextureCacheCreate (IntPtr.Zero,
IntPtr.Zero, /* change one day to support cache attributes */
context.Handle,
IntPtr.Zero, /* change one day to support texture attribuets */
out handle) == 0)
return new CVOpenGLESTextureCache (handle);
return null;
}
public void SetupGL ()
{
Context = new EAGLContext (EAGLRenderingAPI.OpenGLES2);
DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
effect = new GLKBaseEffect ();
effect.Light0.Enabled = true;
EAGLContext.SetCurrentContext (Context);
GL.Enable (EnableCap.DepthTest);
GL.Oes.GenVertexArrays (1, out vertexArray);
GL.Oes.BindVertexArray (vertexArray);
GL.GenBuffers (1, out vertexBuffer);
GL.BindBuffer (BufferTarget.ArrayBuffer, vertexBuffer);
GL.BufferData (BufferTarget.ArrayBuffer, (IntPtr) (gCubeVertexData.Length * sizeof (float)), gCubeVertexData, BufferUsage.StaticDraw);
GL.EnableVertexAttribArray ((int) GLKVertexAttrib.Position);
GL.VertexAttribPointer ((int) GLKVertexAttrib.Position, 3, VertexAttribPointerType.Float, false, 24, 0);
GL.EnableVertexAttribArray ((int) GLKVertexAttrib.Normal);
GL.VertexAttribPointer ((int) GLKVertexAttrib.Normal, 3, VertexAttribPointerType.Float, false, 24, 12);
GL.Oes.BindVertexArray (0);
RandomizeBigCube ();
for (int i = 0; i< NumLittleCubes; i++)
littleCube[i] = bigCube;
timeOfLastRenderedFrame = CAAnimation.CurrentMediaTime();
}
internal iPhoneOSGraphicsContext(ContextHandle h)
{
EAGLContext = (EAGLContext) Runtime.GetNSObject(h.Handle);
}
public void Initialize()
{
CAEAGLLayer eaglLayer = (CAEAGLLayer)Layer;
eaglLayer.Opaque = true;
eaglLayer.DrawableProperties = NSDictionary.FromObjectsAndKeys(
new object[] { NSNumber.FromBoolean(false), EAGLColorFormat.RGBA8 },
new object[] { EAGLDrawableProperty.RetainedBacking, EAGLDrawableProperty.ColorFormat });
m_context = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
if(m_context == null || !EAGLContext.SetCurrentContext(m_context))
{
throw new ApplicationException("Could not create/set EAGLContext");
}
m_renderer = new ES2Renderer();
m_renderer.InitWithContext(m_context, (CAEAGLLayer)Layer);
Animating = false;
displayLinkSupported = false;
animationFrameInterval = 1;
displayLink = null;
animationTimer = null;
// A system version of 3.1 or greater is required to use CADisplayLink. The NSTimer
// class is used as fallback when it isn't available.
var reqSysVer = new NSString("3.1");
var currSysVer = new NSString(UIDevice.CurrentDevice.SystemVersion);
if(currSysVer.Compare(reqSysVer, NSStringCompareOptions.NumericSearch) != NSComparisonResult.Ascending)
displayLinkSupported = true;
}
public override void ViewDidLoad()
{
base.ViewDidLoad ();
View.MultipleTouchEnabled = true;
// set up GL
PreferredFramesPerSecond = 60;
context = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
var view = (GLKView)this.View;
view.Context = context;
view.DrawableDepthFormat = GLKViewDrawableDepthFormat.Format16;
EAGLContext.SetCurrentContext(context);
renderer = new GLRenderer(this);
Delegate = renderer;
// set view stuff
View.MultipleTouchEnabled = true;
if (desc.Orientation == ApplicationOrientations.Landscape) frameVector = new Vector2(view.Frame.Height, view.Frame.Width);
else frameVector = new Vector2(view.Frame.Width, view.Frame.Height);
// iAd
if (enableAds)
{
iAdView = new ADBannerView();
iAdView.AdLoaded += new EventHandler(iAdLoaded);
iAdView.FailedToReceiveAd += new EventHandler<AdErrorEventArgs>(iAdFailedToReceiveAd);
var adSize = iAdView.SizeThatFits(new SizeF(frameVector.X, frameVector.Y));
iAdView.Frame = new RectangleF(0, frameVector.Y-adSize.Height, 1, 1);
View.AddSubview(iAdView);
iAdView.Hidden = true;
}
}
public EAGLLayer ()
{
Opaque = true;
DrawableProperties = NSDictionary.FromObjectsAndKeys (
new object[] { NSNumber.FromBoolean (false), EAGLColorFormat.RGBA8 },
new object[] { EAGLDrawableProperty.RetainedBacking, EAGLDrawableProperty.ColorFormat }
);
context = new EAGLContext (EAGLRenderingAPI.OpenGLES2);
if (context == null || !EAGLContext.SetCurrentContext (context))
throw new Exception ("Can't set EAGL context");
preferredConversion = colorConversion709;
}
