//-----------------------------------------------------------------------
void CompositorChain::preViewportUpdate(const RenderTargetViewportEvent& evt)
{
// Only set up if there is at least one compositor enabled, and it's this viewport
if(evt.source != mViewport || !mAnyCompositorsEnabled)
return;
// set original scene details from viewport
CompositionPass* pass = mOriginalScene->getTechnique()->getOutputTargetPass()->getPass(0);
CompositionTargetPass* passParent = pass->getParent();
if (pass->getClearBuffers() != mViewport->getClearBuffers() ||
pass->getClearColour() != mViewport->getBackgroundColour() ||
passParent->getVisibilityMask() != mViewport->getVisibilityMask() ||
passParent->getMaterialScheme() != mViewport->getMaterialScheme() ||
passParent->getShadowsEnabled() != mViewport->getShadowsEnabled())
{
// recompile if viewport settings are different
pass->setClearBuffers(mViewport->getClearBuffers());
pass->setClearColour(mViewport->getBackgroundColour());
passParent->setVisibilityMask(mViewport->getVisibilityMask());
passParent->setMaterialScheme(mViewport->getMaterialScheme());
passParent->setShadowsEnabled(mViewport->getShadowsEnabled());
_compile();
}
Camera *cam = mViewport->getCamera();
if (cam)
{
/// Prepare for output operation
preTargetOperation(mOutputOperation, mViewport, cam);
}
}
//-----------------------------------------------------------------------
void CompositorChain::createOriginalScene()
{
/// Create "default" compositor
/** Compositor that is used to implicitly represent the original
render in the chain. This is an identity compositor with only an output pass:
compositor Ogre/Scene
{
technique
{
target_output
{
pass clear
{
/// Clear frame
}
pass render_scene
{
visibility_mask FFFFFFFF
render_queues SKIES_EARLY SKIES_LATE
}
}
}
};
*/
mOriginalSceneScheme = mViewport->getMaterialScheme();
String compName = "Ogre/Scene/" + mOriginalSceneScheme;
CompositorPtr scene = CompositorManager::getSingleton().getByName(compName, ResourceGroupManager::INTERNAL_RESOURCE_GROUP_NAME);
if (scene.isNull())
{
scene = CompositorManager::getSingleton().create(compName, ResourceGroupManager::INTERNAL_RESOURCE_GROUP_NAME);
CompositionTechnique *t = scene->createTechnique();
t->setSchemeName(StringUtil::BLANK);
CompositionTargetPass *tp = t->getOutputTargetPass();
tp->setVisibilityMask(0xFFFFFFFF);
{
CompositionPass *pass = tp->createPass();
pass->setType(CompositionPass::PT_CLEAR);
}
{
CompositionPass *pass = tp->createPass();
pass->setType(CompositionPass::PT_RENDERSCENE);
/// Render everything, including skies
pass->setFirstRenderQueue(RENDER_QUEUE_BACKGROUND);
pass->setLastRenderQueue(RENDER_QUEUE_SKIES_LATE);
}
/// Create base "original scene" compositor
scene = CompositorManager::getSingleton().load(compName,
ResourceGroupManager::INTERNAL_RESOURCE_GROUP_NAME);
}
mOriginalScene = OGRE_NEW CompositorInstance(scene->getSupportedTechnique(), this);
}
//-----------------------------------------------------------------------
void CompositorManager::initialise(void)
{
/// Create "default" compositor
/** Compositor that is used to implicitly represent the original
render in the chain. This is an identity compositor with only an output pass:
compositor Ogre/Scene
{
technique
{
target_output
{
pass clear
{
/// Clear frame
}
pass render_scene
{
visibility_mask FFFFFFFF
render_queues SKIES_EARLY SKIES_LATE
}
}
}
};
*/
CompositorPtr scene = create("Ogre/Scene", ResourceGroupManager::INTERNAL_RESOURCE_GROUP_NAME);
CompositionTechnique *t = scene->createTechnique();
CompositionTargetPass *tp = t->getOutputTargetPass();
tp->setVisibilityMask(0xFFFFFFFF);
{
CompositionPass *pass = tp->createPass();
pass->setType(CompositionPass::PT_CLEAR);
}
{
CompositionPass *pass = tp->createPass();
pass->setType(CompositionPass::PT_RENDERSCENE);
/// Render everything, including skies
pass->setFirstRenderQueue(RENDER_QUEUE_SKIES_EARLY);
pass->setLastRenderQueue(RENDER_QUEUE_SKIES_LATE);
}
}
//-----------------------------------------------------------------------
void CompositorChain::createOriginalScene()
{
/// Create "default" compositor
/** Compositor that is used to implicitly represent the original
render in the chain. This is an identity compositor with only an output pass:
compositor Ogre/Scene
{
technique
{
target_output
{
pass clear
{
/// Clear frame
}
pass render_scene
{
visibility_mask FFFFFFFF
render_queues SKIES_EARLY SKIES_LATE
}
}
}
};
*/
// If two viewports use the same scheme but differ in settings like visibility masks, shadows, etc we don't
// want compositors to share their technique. Otherwise both compositors will have to recompile every time they
// render. Thus we generate a unique compositor per viewport.
String compName("Ogre/Scene/");
compName += StringConverter::toString((intptr_t)mViewport);
mOriginalSceneScheme = mViewport->getMaterialScheme();
CompositorPtr scene = CompositorManager::getSingleton().getByName(compName, ResourceGroupManager::INTERNAL_RESOURCE_GROUP_NAME);
if (scene.isNull())
{
scene = CompositorManager::getSingleton().create(compName, ResourceGroupManager::INTERNAL_RESOURCE_GROUP_NAME);
CompositionTechnique *t = scene->createTechnique();
t->setSchemeName(StringUtil::BLANK);
CompositionTargetPass *tp = t->getOutputTargetPass();
tp->setVisibilityMask(0xFFFFFFFF);
{
CompositionPass *pass = tp->createPass();
pass->setType(CompositionPass::PT_CLEAR);
}
{
CompositionPass *pass = tp->createPass();
pass->setType(CompositionPass::PT_RENDERSCENE);
/// Render everything, including skies
pass->setFirstRenderQueue(RENDER_QUEUE_BACKGROUND);
pass->setLastRenderQueue(RENDER_QUEUE_SKIES_LATE);
}
/// Create base "original scene" compositor
scene = CompositorManager::getSingleton().load(compName,
ResourceGroupManager::INTERNAL_RESOURCE_GROUP_NAME);
}
mOriginalScene = OGRE_NEW CompositorInstance(scene->getSupportedTechnique(), this);
}
