/// <summary>
/// Initializes a new instance of the <see cref="DepthOfFieldEffect"/> class.
/// </summary>
public DepthOfFieldEffect(GraphicsDevice graphics)
{
Material = combine = new DepthOfFieldMaterial(graphics);
Passes.Add(new PostEffectChain(TextureUsage.Blur,
depthScaleEffect = new PostEffect()
{
Material = depthScale = new DepthOfFieldMaterial(graphics)
{
IsDownScale = true
}, RenderTargetScale = 0.5f
},
scaleEffect = new PostEffect()
{
Material = new ScaleMaterial(graphics), RenderTargetScale = 0.5f, Enabled = false
},
blur = new BlurEffect(graphics)
{
DepthBufferEnabled = true
},
new PostEffect()
{
Material = new ScaleMaterial(graphics), RenderTargetScale = 2.0f
}
));
}
private void DrawWithoutCombineMaterial(DrawingContext context, IList <IDrawableObject> drawables)
{
RenderTargetPool.Lock(InputTexture as RenderTarget2D);
int i, p;
for (p = 0; p < passes.Count; p++)
{
passes[p].GetActivePasses(workingPasses);
RenderTarget2D intermediate = InputTexture as RenderTarget2D;
for (i = 0; i < workingPasses.Count - 1; ++i)
{
var workingPass = (PostEffect)workingPasses[i];
RenderTarget2D previous = intermediate;
RenderTargetPool.Lock(previous);
intermediate = workingPass.PrepareRenderTarget(context.graphics, intermediate, null);
intermediate.Begin();
workingPass.InputTexture = previous;
workingPass.Draw(context, drawables);
intermediate.End();
RenderTargetPool.Unlock(previous);
}
PostEffect lastEffect;
RenderTargetPool.Lock(intermediate);
if (workingPasses.Count > 0)
{
lastEffect = (PostEffect)workingPasses[workingPasses.Count - 1];
}
else
{
if (basicPostEffect == null)
{
basicPostEffect = new PostEffect();
basicPostEffect.Material = new TextureMaterial(context.graphics);
}
lastEffect = basicPostEffect;
}
lastEffects.Add(lastEffect);
passResults.Add(intermediate);
workingPasses.Clear();
}
RenderTargetPool.Unlock(InputTexture as RenderTarget2D);
for (i = 0, p = 0; p < passes.Count; p++)
{
if (passes[p].Enabled)
{
lastEffects[i].BlendState = passes[p].BlendState;
lastEffects[i].InputTexture = passResults[i];
lastEffects[i].Draw(context, drawables);
RenderTargetPool.Unlock(passResults[i]);
i++;
}
}
lastEffects.Clear();
passResults.Clear();
}
