renamed setting, automatically disable MRT when unsupported

apps/openmw/mwrender/renderingmanager.cpp

@@ -37,6 +37,12 @@ RenderingManager::RenderingManager (OEngine::Render::OgreRenderer& _rend, const
     // Load resources
     ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
 
+    // disable MRT if it is unsupported
+    const RenderSystemCapabilities* caps = Root::getSingleton().getRenderSystem()->getCapabilities();
+    if (caps->getNumMultiRenderTargets() < 2
+        || (!caps->isShaderProfileSupported("fp40") && !caps->isShaderProfileSupported("ps_3_0")))
+        Settings::Manager::setBool("multiple render targets", "Render", false);
+
     if (Settings::Manager::getBool("multiple render targets", "Render"))
     {
         CompositorManager::getSingleton().addCompositor(mRendering.getViewport(), "gbuffer");

apps/openmw/mwrender/water.cpp

@@ -52,7 +52,7 @@ Water::Water (Ogre::Camera *camera, SkyManager* sky, const ESM::Cell* cell) :
     // Create rendertarget for reflection
     int rttsize = Settings::Manager::getInt("rtt size", "Water");
 
-    if (Settings::Manager::getBool("reflection", "Water"))
+    if (Settings::Manager::getBool("shader", "Water") && Settings::Manager::getBool("multiple render targets", "Render"))
     {
         TexturePtr tex = TextureManager::getSingleton().createManual("WaterReflection",
             ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, TEX_TYPE_2D, rttsize, rttsize, 0, PF_R8G8B8, TU_RENDERTARGET);

files/settings-default.cfg

@@ -44,7 +44,7 @@ num lights = 8
 
 [Water]
 
-reflection = false
+shader = false
 
 rtt size = 256