private void DrawWithCombineMaterial(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; ++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);
}
passResults.Add(intermediate);
workingPasses.Clear();
}
RenderTargetPool.Unlock(InputTexture as RenderTarget2D);
if (fullScreenQuad == null)
{
fullScreenQuad = new FullScreenQuad(context.graphics);
}
context.graphics.BlendState = BlendState.Opaque;
Material.texture = InputTexture;
for (i = 0, p = 0; p < passes.Count; p++)
{
if (passes[p].Enabled)
{
Material.SetTexture(passes[p].TextureUsage, passResults[i]);
i++;
}
}
fullScreenQuad.Draw(context, Material);
lastEffects.Clear();
passResults.Clear();
}
public override void Draw(DrawingContext context, IList <IDrawableObject> drawables)
{
if (Material == null)
{
Material = adoptionMaterial = new AdaptionMaterial(context.graphics);
}
else if (Material != adoptionMaterial)
{
throw new InvalidOperationException();
}
bool needLocalTexture = false;
if (needLocalTexture = (currentFrame == null))
{
PrepareRenderTarget(context.graphics, InputTexture, null);
currentFrame.Begin();
}
// Disable the adoption effect when we don't have a valid last frame texture
// or when the adoption effect has been suspended for several frames.
#if SILVERLIGHT
if (lastFrame == null || lastFrame.IsDisposed)
#else
if (lastFrame == null || lastFrame.IsDisposed || lastFrame.IsContentLost)
#endif
{
CopyToScreen(context, drawables);
}
else
{
var graphics = context.graphics;
graphics.Textures[0] = adoptionMaterial.texture;
graphics.Textures[1] = lastFrame;
graphics.SamplerStates[0] = graphics.SamplerStates[1] = SamplerState.PointClamp;
adoptionMaterial.effect.Delta.SetValue((1 - (float)Math.Pow(0.98f, 30 * context.elapsedTime)) * Speed);
base.Draw(context, drawables);
graphics.SamplerStates[1] = context.SamplerState;
}
if (needLocalTexture)
{
currentFrame.End();
InputTexture = currentFrame;
CopyToScreen(context, drawables);
}
RenderTargetPool.Unlock(lastFrame);
lastFrame = currentFrame;
currentFrame = null;
}
/// <summary>
/// Draws this pass using the specified drawing context.
/// </summary>
public override void Draw(DrawingContext context, IList <IDrawableObject> drawables)
{
RenderTargetPool.Lock(InputTexture as RenderTarget2D);
if (fullScreenQuad == null)
{
fullScreenQuad = new FullScreenQuad(context.graphics);
}
context.graphics.BlendState = BlendState;
context.graphics.DepthStencilState = DepthStencilState.None;
Material.texture = InputTexture;
fullScreenQuad.Draw(context, Material);
RenderTargetPool.Unlock(InputTexture as RenderTarget2D);
}
/// <summary>
/// Draws the specified scene.
/// </summary>
public void Draw(float elapsedTime, Matrix view, Matrix projection)
{
if (isDrawing)
{
throw new InvalidOperationException("Cannot trigger another drawing of the scene while it's still been drawn");
}
this.matrices.View = view;
this.matrices.Projection = projection;
this.isDrawing = true;
this.VertexOffset = 0;
this.VertexBuffer = null;
this.PreviousMaterial = null;
this.elapsedTime = elapsedTime;
this.totalTime += TimeSpan.FromSeconds(elapsedTime);
this.totalSeconds = (float)totalTime.TotalSeconds;
this.boundingBoxNeedsUpdate = true;
if (rootPass == null)
{
return;
}
graphics.SetVertexBuffer(null);
graphics.Textures[0] = null;
UpdateDefaultSamplerStates();
AddDrawablesToView(matrices.ViewFrustum);
UpdatePassGraph();
UpdateActivePasses();
RenderTarget2D lastRenderTarget = null;
RenderTarget2D intermediate = null;
bool overrideViewFrustumLastPass = false;
for (int i = 0; i < activePasses.Count; ++i)
{
var pass = activePasses[i];
var overrideViewFrustum = false;
// Query the drawables in the current view frustum only when the view frustum changed
// or the pass overrides the frustum.
Matrix passView, passProjection;
if (pass.TryGetViewFrustum(out passView, out passProjection))
{
matrices.View = passView;
matrices.Projection = passProjection;
overrideViewFrustum = true;
}
if (overrideViewFrustum || overrideViewFrustumLastPass)
{
AddDrawablesToView(matrices.ViewFrustum);
overrideViewFrustumLastPass = overrideViewFrustum;
}
if ((pass.PassOperation & PassOperation.EndRenderTarget) != 0)
{
intermediate.End();
lastRenderTarget = intermediate;
}
if ((pass.PassOperation & PassOperation.BeginRenderTarget) != 0)
{
intermediate = pass.PrepareRenderTarget(graphics, intermediate, pass.PassFormat);
intermediate.Begin();
RenderTargetPool.Lock(intermediate);
}
var postEffect = pass as IPostEffect;
if (postEffect != null)
{
postEffect.InputTexture = lastRenderTarget;
pass.Draw(this, drawablesInViewFrustum);
RenderTargetPool.Unlock(lastRenderTarget);
}
else
{
pass.Draw(this, drawablesInViewFrustum);
}
}
currentFrame++;
isDrawing = false;
}
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();
}
