void LightClusteringPass::run(const render::SceneContextPointer& sceneContext, const render::RenderContextPointer& renderContext, const Inputs& inputs, Outputs& output) {
auto args = renderContext->args;
auto deferredTransform = inputs.get0();
auto lightingModel = inputs.get1();
auto surfaceGeometryFramebuffer = inputs.get2();
if (!_lightClusters) {
_lightClusters = std::make_shared<LightClusters>();
}
// first update the Grid with the new frustum
if (!_freeze) {
_lightClusters->updateFrustum(args->getViewFrustum());
}
// From the LightStage and the current frame, update the light cluster Grid
auto deferredLightingEffect = DependencyManager::get<DeferredLightingEffect>();
auto lightStage = deferredLightingEffect->getLightStage();
_lightClusters->updateLightStage(lightStage);
_lightClusters->updateLightFrame(lightStage->_currentFrame, lightingModel->isPointLightEnabled(), lightingModel->isSpotLightEnabled());
auto clusteringStats = _lightClusters->updateClusters();
output = _lightClusters;
auto config = std::static_pointer_cast<Config>(renderContext->jobConfig);
config->numSceneLights = lightStage->getNumLights();
config->numFreeSceneLights = lightStage->getNumFreeLights();
config->numAllocatedSceneLights = lightStage->getNumAllocatedLights();
config->setNumInputLights(clusteringStats.x);
config->setNumClusteredLights(clusteringStats.y);
config->setNumClusteredLightReferences(clusteringStats.z);
}
/**
* Pushes a new light onto the global light configuration vector
* @return void
**/
void Engine::addLight( Light *newLight ) {
_lights->push_back( newLight );
getNumLights();
}
