/// <summary>
/// Gets a global shared context.
/// </summary>
/// <param name="services">The services.</param>
/// <returns>RenderContext.</returns>
public static RenderContext GetShared(IServiceRegistry services)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
// Store RenderContext shared into the GraphicsDevice
var graphicsDevice = services.GetSafeServiceAs <IGraphicsDeviceService>().GraphicsDevice;
return(graphicsDevice.GetOrCreateSharedData(SharedImageEffectContextKey, d => new RenderContext(services)));
}
/// <summary>
/// Initializes a new instance of the <see cref="RenderContext" /> class.
/// </summary>
/// <param name="services">The services.</param>
/// <exception cref="System.ArgumentNullException">services</exception>
internal RenderContext(IServiceRegistry services)
{
Services = services ?? throw new ArgumentNullException(nameof(services));
Effects = services.GetSafeServiceAs <EffectSystem>();
GraphicsDevice = services.GetSafeServiceAs <IGraphicsDeviceService>().GraphicsDevice;
Allocator = services.GetSafeServiceAs <GraphicsContext>().Allocator ?? new GraphicsResourceAllocator(GraphicsDevice).DisposeBy(GraphicsDevice);
StreamingManager = services.GetService <StreamingManager>();
threadContext = new ThreadLocal <RenderDrawContext>(() =>
{
lock (threadContextLock)
{
return(new RenderDrawContext(Services, this, new GraphicsContext(GraphicsDevice, Allocator)));
}
}, true);
}
