diff --git a/source/client/StarClientApplication.cpp b/source/client/StarClientApplication.cpp
index 71bec5d..7d8d321 100644
--- a/source/client/StarClientApplication.cpp
+++ b/source/client/StarClientApplication.cpp
@@ -434,6 +434,8 @@ void ClientApplication::getAudioData(int16_t* sampleData, size_t frameCount) {
   }
 }
 
+auto postProcessGroupsRoot = "postProcessGroups";
+
 void ClientApplication::renderReload() {
   auto assets = m_root->assets();
   auto renderer = Application::renderer();
@@ -464,18 +466,55 @@ void ClientApplication::renderReload() {
   
   loadEffectConfig("world");
   
+  // define post process groups and set them to be enabled/disabled based on config
+  
+  auto config = m_root->configuration();
+  if (!config->get(postProcessGroupsRoot).isType(Json::Type::Object))
+    config->set(postProcessGroupsRoot, JsonObject());
+  auto groupsConfig = config->get(postProcessGroupsRoot);
+  
+  m_postProcessGroups.clear();
+  auto postProcessGroups = assets->json("/client.config:postProcessGroups").toObject();
+  for (auto& pair : postProcessGroups) {
+    auto name = pair.first;
+    auto groupConfig = groupsConfig.opt(name);
+    auto def = pair.second.getBool("enabledDefault",true);
+    if (!groupConfig)
+      config->setPath(strf("{}.{}", postProcessGroupsRoot, name),JsonObject());
+    m_postProcessGroups.add(name,PostProcessGroup{ groupConfig ? groupConfig.value().getBool("enabled", def) : def });
+  }
+  
+  // define post process layers and optionally assign them to groups
   m_postProcessLayers.clear();
   auto postProcessLayers = assets->json("/client.config:postProcessLayers").toArray();
   for (auto& layer : postProcessLayers) {
     auto effects = jsonToStringList(layer.getArray("effects"));
     for (auto& effect : effects)
       loadEffectConfig(effect);
-    m_postProcessLayers.append(PostProcessLayer{ std::move(effects), (unsigned)layer.getUInt("passes", 1) });
+    PostProcessGroup* group = nullptr;
+    auto gname = layer.optString("group");
+    if (gname) {
+      group = &m_postProcessGroups.get(gname.value());
+    }
+    m_postProcessLayers.append(PostProcessLayer{ std::move(effects), (unsigned)layer.getUInt("passes", 1), group });
   }
 
   loadEffectConfig("interface");
 }
 
+void ClientApplication::setPostProcessGroupEnabled(String group, bool enabled, Maybe<bool> save) {
+  m_postProcessGroups.get(group).enabled = enabled;
+  if (save && save.value())
+    m_root->configuration()->setPath(strf("{}.{}.enabled", postProcessGroupsRoot, group),enabled);
+}
+bool ClientApplication::postProcessGroupEnabled(String group) {
+  return m_postProcessGroups.get(group).enabled;
+}
+
+Json ClientApplication::postProcessGroups() {
+  return m_root->assets()->json("/client.config:postProcessGroups");
+}
+
 void ClientApplication::changeState(MainAppState newState) {
   MainAppState oldState = m_state;
   m_state = newState;