public void InitGL(CapturePreview owner)
{
gm = new GraphicsMode(new ColorFormat(32), 24, 8, 0);
thisContext = new GraphicsContext(gm, WindowInfo);
this.MakeCurrent();
this.VSync = false;
GL.Viewport(0, 0, Width, Height);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
GL.Ortho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadIdentity();// Reset The View
GL.ClearColor(Color.DimGray);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
m_previewHelper = new CDeckLinkGLScreenPreviewHelper();
m_previewHelper.InitializeGL();
glIsInitialized = true;
}
private void SetupPreviewBox()
{
int w = previewBox.Width;
int h = previewBox.Height;
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
GL.Ortho(-1, 1, -1, 1, -1, 1); // Bottom-left corner pixel has coordinate (0, 0)
GL.Viewport(0, 0, w, h); // Use all of the glControl painting area
_GLHelper.InitializeGL();
GL.ClearColor(Color.SkyBlue); // So we can see the box is actually workign
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
previewBox.SwapBuffers();
previewBox.Context.MakeCurrent(null);
}