private void OnSizeChanged()
{
SetSizeFromHost();
var w = _roundedWidth;
var h = _roundedHeight;
GLWindowBuilder.ResizeNativeWindow(_windowHandle, w, h);
_dibSection.Resize(w, h, _bitDepth);
DestroyFramebuffers();
BindBuffers();
GL.glViewport(0, 0, w, h);
if (w <= 0 || h <= 0)
{
return;
}
GL.glMatrixMode(GL.PROJECTION);
GL.glLoadIdentity();
GL.gluPerspective(45.0f, w / (Single)h, 0.1f, 100.0f);
GL.glMatrixMode(GL.MODELVIEW);
GL.glLoadIdentity();
}
public OpenGLPanel(IVisualElement view,
IStyleContext styleContext)
: base(view, styleContext)
{
var bldr = new GLWindowBuilder("OpenGLSurface");
var boot = new GLBootStrapper(bldr);
var context = boot.GetContext(this);
var fontProvider = GLBootStrapper.GetFontProvider(context);
var kit = new OpenGLRenderKit(fontProvider, context, styleContext, new GLImageProvider());
var renderer = new PanelRenderer(this, context);
var _ = new PanelUpdater(Render, kit, renderer, boot.Scheduler);
}
public GLWindowsContext(IHost viewHost,
OpenGLVersion glVersion,
GLWindowBuilder windowBuilder,
Task <IntPtr> deviceContextPromise,
Byte bitDepth = 32)
{
_dibSection = new DIBSection();
_delegateCache = new DelegateCache();
_currentSize = new Size(0, 0);
_windowBuilder = windowBuilder;
_viewHost = viewHost;
_viewHost.AvailableSizeChanged += OnHostSizeChanged;
_bitDepth = bitDepth;
_requestedOpenGLVersion = glVersion;
deviceContextPromise.ContinueWith(OnDeviceContextAvailable);
}
