protected virtual bool BeginDraw()
{
if (graphicsDeviceManager != null)
{
return(graphicsDeviceManager.BeginDraw());
}
return(true);
}
protected virtual bool BeginDraw()
{
if (isFixedTimeStep && gameUpdateTime.IsRunningSlowly)
{
return(false);
}
return(graphicsManager.BeginDraw());
}
/// <summary>
/// Starts the drawing of a frame. This method is followed by calls to Draw and EndDraw.
/// </summary>
/// <returns><c>true</c> to continue drawing, false to not call <see cref="Draw"/> and <see cref="EndDraw"/></returns>
protected virtual bool BeginDraw()
{
beginDrawOk = false;
if ((graphicsDeviceManager != null) && !graphicsDeviceManager.BeginDraw())
{
return(false);
}
// Setup default command list
if (GraphicsContext == null)
{
GraphicsContext = new GraphicsContext(GraphicsDevice);
Services.AddService(GraphicsContext);
}
else
{
// Reset allocator
GraphicsContext.ResourceGroupAllocator.Reset(GraphicsContext.CommandList);
GraphicsContext.CommandList.Reset();
}
beginDrawOk = true;
// Clear states
GraphicsContext.CommandList.ClearState();
// Perform begin of frame presenter operations
if (GraphicsDevice.Presenter != null)
{
GraphicsContext.CommandList.ResourceBarrierTransition(GraphicsDevice.Presenter.DepthStencilBuffer, GraphicsResourceState.DepthWrite);
GraphicsContext.CommandList.ResourceBarrierTransition(GraphicsDevice.Presenter.BackBuffer, GraphicsResourceState.RenderTarget);
GraphicsDevice.Presenter.BeginDraw(GraphicsContext.CommandList);
}
return(true);
}