Method update

Source/Falcor/Scene/Scene.cpp:1840–1955

    }

    IScene::UpdateFlags Scene::update(RenderContext* pRenderContext, double currentTime)
    {
        mUpdates = IScene::UpdateFlags::None;

        // Perform updates that may affect the scene defines.
        updateGeometryTypes();
        mUpdates |= updateMaterials(false);

        // Update scene defines.
        // These are currently assumed not to change beyond this point.
        updateSceneDefines();
        if (mSceneDefines != mPrevSceneDefines)
        {
            mUpdates |= IScene::UpdateFlags::SceneDefinesChanged;
            mPrevSceneDefines = mSceneDefines;
            mpSceneBlock = nullptr;
        }

        // Recreate scene parameter block if scene defines changed, as the defines may affect resource declarations.
        // All access to the (new) scene parameter block should be placed after this point.
        if (!mpSceneBlock)
        {
            logDebug("Recreating scene parameter block");
            createParameterBlock();
            bindParameterBlock();
        }

        if (mpAnimationController->animate(pRenderContext, currentTime))
        {
            mUpdates |= IScene::UpdateFlags::SceneGraphChanged;
            if (mpAnimationController->hasSkinnedMeshes()) mUpdates |= IScene::UpdateFlags::MeshesChanged;

            for (const auto& inst : mGeometryInstanceData)
            {
                if (mpAnimationController->isMatrixChanged(NodeID{ inst.globalMatrixID }))
                {
                    mUpdates |= IScene::UpdateFlags::GeometryMoved;
                }
            }

            // We might end up setting the flag even if curves haven't changed (if looping is disabled for example).
            if (mpAnimationController->hasAnimatedCurveCaches()) mUpdates |= IScene::UpdateFlags::CurvesMoved;
            if (mpAnimationController->hasAnimatedMeshCaches()) mUpdates |= IScene::UpdateFlags::MeshesChanged;
        }

        for (const auto& pGridVolume : mGridVolumes)
        {
            pGridVolume->updatePlayback(currentTime);
        }

        mUpdates |= updateSelectedCamera(false);
        mUpdates |= updateLights(false);
        mUpdates |= updateGridVolumes(false);
        mUpdates |= updateEnvMap(false);
        mUpdates |= updateGeometry(pRenderContext, false);
        mUpdates |= updateSDFGrids(pRenderContext);
        pRenderContext->submit();