private void EndBillboards(RenderContext context)
{
if (!_billboardMode)
{
return;
}
_billboardMode = false;
// Reset texture to prevent "memory leak".
SetTexture(null);
#if !WP7
if (EnableOffscreenRendering)
{
// ----- Combine off-screen buffer with scene.
if (_upsampleFilter == null)
{
_upsampleFilter = GraphicsService.GetUpsampleFilter();
}
var graphicsDevice = GraphicsService.GraphicsDevice;
graphicsDevice.BlendState = BlendState.Opaque;
// The previous scene render target is bound as texture.
// --> Switch scene render targets!
var sceneTexture = context.RenderTarget;
var renderTargetPool = GraphicsService.RenderTargetPool;
var renderTarget = renderTargetPool.Obtain2D(new RenderTargetFormat(sceneTexture));
context.SourceTexture = _offscreenBuffer;
context.SceneTexture = sceneTexture;
context.RenderTarget = renderTarget;
_upsampleFilter.Mode = UpsamplingMode;
_upsampleFilter.DepthThreshold = DepthThreshold;
_upsampleFilter.RebuildZBuffer = true;
_upsampleFilter.Process(context);
context.SourceTexture = null;
context.SceneTexture = null;
renderTargetPool.Recycle(_offscreenBuffer);
renderTargetPool.Recycle(sceneTexture);
_depthBufferHalf = null;
_offscreenBuffer = null;
}
#endif
}