public override bool BeginDraw()
{
if (GraphicsDevice != null && Window.Visible)
{
savedPresenter = GraphicsDevice.Presenter;
savedViewport = GraphicsDevice.Viewport;
CreateOrUpdatePresenter();
if (isBackBufferToResize || windowUserResized)
{
PixelFormat resizeFormat;
var size = GetRequestedSize(out resizeFormat);
Presenter.Resize(size.Width, size.Height, resizeFormat);
isBackBufferToResize = false;
windowUserResized = false;
}
GraphicsDevice.Presenter = Presenter;
GraphicsDevice.SetViewport(Presenter.DefaultViewport);
GraphicsDevice.SetRenderTargets(Presenter.DepthStencilBuffer, Presenter.BackBuffer);
beginDrawOk = true;
return(true);
}
beginDrawOk = false;
return(false);
}
public override bool BeginDraw()
{
if (GraphicsDevice != null && Window.Visible)
{
savedPresenter = GraphicsDevice.Presenter;
CreateOrUpdatePresenter();
if (isBackBufferToResize || windowUserResized)
{
PixelFormat resizeFormat;
var size = GetRequestedSize(out resizeFormat);
Presenter.Resize((int)size.X, (int)size.Y, resizeFormat);
isBackBufferToResize = false;
windowUserResized = false;
}
GraphicsDevice.Presenter = Presenter;
beginDrawOk = true;
return(true);
}
beginDrawOk = false;
return(false);
}
public void ResizePresenter()
{
int width = m_host.HostedWindowWidth;
int height = m_host.HostedWindowHeight;
if (width == 0 || height == 0)
{
RemoveAndDispose(ref m_presenter);
return;
}
bool sizeChanged;
if (m_presenter == null)
{
var presentParams = new PresentationParameters(width, height, m_host.Handle, m_pixelFormat)
{
PresentationInterval = PresentInterval.Immediate,
};
m_presenter = ToDispose(new SwapChainGraphicsPresenter(m_device, presentParams));
sizeChanged = true;
}
else
{
// Resize is a no-op if the size hasn't changed
sizeChanged = m_presenter.Resize(width, height, m_pixelFormat);
}
if (sizeChanged)
{
if (this.SizeChanged != null)
{
this.SizeChanged(width, height);
}
}
}
