/// <summary>
/// Applies the filter on a certain display object, rendering the output into the current render
/// target. This method is called automatically by Sparrow's rendering system for the object the
/// filter is attached to.
/// </summary>
public void RenderObject(DisplayObject obj, RenderSupport support)
{
// bottom layer
if (Mode == FragmentFilterMode.Above)
{
obj.Render(support);
}
// center layer
if (_cacheRequested)
{
_cacheRequested = false;
_cache = RenderPasses(obj, support, true);
DisposePassTextures();
}
if (_cache != null)
{
_cache.Render(support);
}
else
{
RenderPasses(obj, support, false);
}
// top layer
if (Mode == FragmentFilterMode.Below)
{
obj.Render(support);
}
}
/// <summary>
/// Renders the current quad batch and resets it.
/// </summary>
public void FinishQuadBatch()
{
if (_quadBatchTop.NumQuads != 0)
{
_quadBatchTop.Render(_projectionMatrix);
_quadBatchTop.Reset();
if (_quadBatchSize == _quadBatchIndex + 1)
{
_quadBatches.Add(new QuadBatch());
_quadBatchSize++;
}
_numDrawCalls++;
_quadBatchTop = _quadBatches[++_quadBatchIndex];
}
}
