/// <summary>
/// Draws this pass using the specified drawing context.
/// </summary>
public override void Draw(DrawingContext context, IList <IDrawableObject> drawables)
{
var passes = context.Passes;
for (int i = 0; i < passes.Count; ++i)
{
if (passes[i].Enabled && passes[i] is LightPrePass)
{
return;
}
}
var graphics = context.graphics;
if (depthMaterial == null)
{
depthMaterial = new DepthMaterial(graphics);
}
var surfaceFormat = SurfaceFormat.Single;
if (depthBuffer == null || depthBuffer.IsDisposed || depthBuffer.IsContentLost)
{
if (depthBuffer != null)
{
depthBuffer.Dispose();
}
depthBuffer = new RenderTarget2D(graphics, graphics.Viewport.Width, graphics.Viewport.Height,
false, surfaceFormat, DepthFormat.Depth24Stencil8, 0, RenderTargetUsage.DiscardContents);
}
if (drawingPass == null)
{
drawingPass = new DrawingPass();
drawingPass.MaterialUsage = MaterialUsage.Depth;
}
depthBuffer.Begin();
graphics.Clear(Color.White);
drawingPass.Draw(context, drawables);
depthBuffer.End();
context.textures[TextureUsage.DepthBuffer] = depthBuffer;
}
/// <summary>
/// Draws this pass using the specified drawing context.
/// </summary>
public override void Draw(DrawingContext context, IList <IDrawableObject> drawables)
{
var context3D = context as DrawingContext3D;
Begin(context3D);
{
if (drawingPass == null)
{
drawingPass = new DrawingPass();
drawingPass.MaterialUsage = MaterialUsage.DepthAndNormal;
}
drawingPass.Draw(context, drawables);
}
End(context3D);
context.textures[TextureUsage.DepthBuffer] = depthBuffer;
context.textures[TextureUsage.NormalBuffer] = normalBuffer;
if (lightQuery == null)
{
lightQuery = context.CreateSpatialQuery <IDeferredLight>(null);
deferredLights = new FastList <IDeferredLight>();
}
BeginLights(context3D);
{
lightQuery.FindAll(context.ViewFrustum, deferredLights);
for (int i = 0; i < deferredLights.Count; ++i)
{
DrawLight(context3D, deferredLights[i]);
}
deferredLights.Clear();
}
EndLights(context3D);
context.textures[TextureUsage.LightBuffer] = lightBuffer;
}