//-----------------------------------------------------------------------
void CompositorChain::postViewportUpdate(const RenderTargetViewportEvent& evt)
{
// Only tidy up if there is at least one compositor enabled, and it's this viewport
if(evt.source != mViewport || !mAnyCompositorsEnabled)
return;
Camera *cam = mViewport->getCamera();
postTargetOperation(mOutputOperation, mViewport, cam);
}
//-----------------------------------------------------------------------
void CompositorChain::preRenderTargetUpdate(const RenderTargetEvent& evt)
{
/// Compile if state is dirty
if(mDirty)
_compile();
// Do nothing if no compositors enabled
if (!mAnyCompositorsEnabled)
{
return;
}
/// Update dependent render targets; this is done in the preRenderTarget
/// and not the preViewportUpdate for a reason: at this time, the
/// target Rendertarget will not yet have been set as current.
/// ( RenderSystem::setViewport(...) ) if it would have been, the rendering
/// order would be screwed up and problems would arise with copying rendertextures.
Camera *cam = mViewport->getCamera();
if (!cam)
{
return;
}
cam->getSceneManager()->_setActiveCompositorChain(this);
/// Iterate over compiled state
CompositorInstance::CompiledState::iterator i;
for(i=mCompiledState.begin(); i!=mCompiledState.end(); ++i)
{
/// Skip if this is a target that should only be initialised initially
if(i->onlyInitial && i->hasBeenRendered)
continue;
i->hasBeenRendered = true;
/// Setup and render
preTargetOperation(*i, i->target->getViewport(0), cam);
i->target->update();
postTargetOperation(*i, i->target->getViewport(0), cam);
}
}