public void Capture()
{
try
{
bool notThis = CurrentlyEnabled != this && CurrentlyEnabled != null && CurrentlyEnabled._context.IsCurrent;
if (notThis)
{
CurrentlyEnabled.Release();
}
CurrentlyEnabled = this;
if (!_context.IsCurrent)
{
_context.MakeCurrent(WindowInfo);
}
if (ContextChanged != null && notThis)
{
ContextChanged(true);
}
}
catch //(Exception x)
{
//MessageBox.Show(x.ToString());
Reset();
}
}
public void Capture(bool force = false)
{
try
{
//Only proceed if this window is not already current
if (force || CurrentContext != this)
{
//Release the current context if it exists
CurrentContext?.Release();
//Make this context the current one
CurrentContext = this;
if (!_context.IsCurrent)
{
_context.MakeCurrent(WindowInfo);
}
ContextChanged?.Invoke(true);
}
}
catch //(Exception x)
{
//MessageBox.Show(x.ToString());
Reset();
}
}
private void DisposeContext()
{
if (_ctx != null)
{
_ctx.Unbind();
_ctx.Dispose();
_ctx = null;
}
}
public void Release()
{
if (CurrentContext == this && !_context.IsDisposed && _context.IsCurrent)
{
CurrentContext = null;
_context.MakeCurrent(null);
ContextChanged?.Invoke(false);
}
}
public void Release()
{
if (CurrentlyEnabled == this && !CurrentlyEnabled._context.IsDisposed && _context.IsCurrent)
{
CurrentlyEnabled = null;
_context.MakeCurrent(null);
//if (ContextChanged != null)
// ContextChanged(false);
}
}
public void Bind(int index, int program, TKContext ctx)
{
if (program != -1 && ctx != null && ctx._shadersEnabled)
{
index = index.Clamp(0, 7);
GL.ActiveTexture(TextureUnit.Texture0 + index);
GL.BindTexture(TextureTarget.Texture2D, Initialize());
GL.Uniform1(GL.GetUniformLocation(program, "Texture" + index), index);
}
else
{
GL.BindTexture(TextureTarget.Texture2D, Initialize());
}
}
private static GLDisplayList CreateLine(TKContext ctx)
{
GLDisplayList list = new GLDisplayList();
GL.Begin(BeginMode.Lines);
GL.Vertex3(0.0f, 0.0f, 0.0f);
GL.Vertex3(2.0f, 0.0f, 0.0f);
GL.End();
list.End();
return(list);
}
public new void Capture()
{
if (InvokeRequired)
{
Invoke(new Action(Capture));
return;
}
if (_ctx == null)
{
_ctx = new TKContext(this);
}
_ctx.Capture();
}
protected override void OnLoad(EventArgs e)
{
_ctx = new TKContext(this);
Capture();
Vector3 v = (Vector3)BackColor;
GL.ClearColor(v._x, v._y, v._z, 0.0f);
GL.ClearDepth(1.0);
OnInit(_ctx);
_ctx.ContextChanged += OnContextChanged;
_ctx.ResetOccured += OnReset;
base.OnLoad(e);
}
public static GLDisplayList CreateSphere(TKContext ctx)
{
//IntPtr quad = Glu.NewQuadric();
//Glu.QuadricDrawStyle(quad, QuadricDrawStyle.Fill);
//Glu.QuadricOrientation(quad, QuadricOrientation.Outside);
GLDisplayList dl = new GLDisplayList();
dl.Begin();
DrawSphere(new Vector3(), 1.0f, 40);
//Glu.Sphere(quad, 1.0f, 40, 40);
dl.End();
//Glu.DeleteQuadric(quad);
return(dl);
}
protected override void OnLoad(EventArgs e)
{
_ctx = new TKContext(this);
_text = new ScreenTextHandler(this);
Vector3 v = (Vector3)BackColor;
GL.ClearColor(v._x, v._y, v._z, 0.0f);
GL.ClearDepth(1.0f);
Capture();
OnInit(_ctx);
_ctx.ContextChanged += ContextChanged;
base.OnLoad(e);
}
private static GLDisplayList CreateRing(TKContext ctx)
{
GLDisplayList list = new GLDisplayList();
list.Begin();
GL.Begin(BeginMode.LineLoop);
float angle = 0.0f;
for (int i = 0; i < 360; i++, angle = i * Maths._deg2radf)
{
GL.Vertex2(Math.Cos(angle), Math.Sin(angle));
}
GL.End();
list.End();
return(list);
}
private static GLDisplayList CreateCube(TKContext ctx)
{
GLDisplayList list = new GLDisplayList();
list.Begin();
GL.Begin(BeginMode.QuadStrip);
Vector3 p1 = new Vector3(0);
Vector3 p2 = new Vector3(0.99f);
GL.Vertex3(p1._x, p1._y, p1._z);
GL.Vertex3(p1._x, p2._y, p1._z);
GL.Vertex3(p2._x, p1._y, p1._z);
GL.Vertex3(p2._x, p2._y, p1._z);
GL.Vertex3(p2._x, p1._y, p2._z);
GL.Vertex3(p2._x, p2._y, p2._z);
GL.Vertex3(p1._x, p1._y, p2._z);
GL.Vertex3(p1._x, p2._y, p2._z);
GL.Vertex3(p1._x, p1._y, p1._z);
GL.Vertex3(p1._x, p2._y, p1._z);
GL.End();
GL.Begin(BeginMode.Quads);
GL.Vertex3(p1._x, p2._y, p1._z);
GL.Vertex3(p1._x, p2._y, p2._z);
GL.Vertex3(p2._x, p2._y, p2._z);
GL.Vertex3(p2._x, p2._y, p1._z);
GL.Vertex3(p1._x, p1._y, p1._z);
GL.Vertex3(p1._x, p1._y, p2._z);
GL.Vertex3(p2._x, p1._y, p2._z);
GL.Vertex3(p2._x, p1._y, p1._z);
GL.End();
list.End();
return(list);
}
private static GLDisplayList CreateCircle(TKContext ctx)
{
GLDisplayList list = new GLDisplayList();
list.Begin();
GL.Begin(BeginMode.TriangleFan);
GL.Vertex3(0.0f, 0.0f, 0.0f);
float angle = 0.0f;
for (int i = 0; i < 361; i++, angle = i * Maths._deg2radf)
{
GL.Vertex2(Math.Cos(angle), Math.Sin(angle));
}
GL.End();
list.End();
return(list);
}
internal virtual void OnInit(TKContext ctx)
{
}
internal protected virtual void OnRender(TKContext ctx, PaintEventArgs e)
{
GL.Clear(OpenTK.Graphics.OpenGL.ClearBufferMask.ColorBufferBit | OpenTK.Graphics.OpenGL.ClearBufferMask.DepthBufferBit);
}