Disabling PSSM feature to make sure we can fit the max. amount of terrain textures in Morrowind.esm in a single pass.

apps/openmw/mwgui/settingswindow.cpp

@@ -225,7 +225,10 @@ namespace MWGui
         mUnderwaterButton->setCaptionWithReplacing(Settings::Manager::getBool("underwater effect", "Water") ? "#{sOn}" : "#{sOff}");
 
         mShadowsTextureSize->setCaption (Settings::Manager::getString ("texture size", "Shadows"));
-        mShadowsLargeDistance->setCaptionWithReplacing(Settings::Manager::getBool("split", "Shadows") ? "#{sOn}" : "#{sOff}");
+        //mShadowsLargeDistance->setCaptionWithReplacing(Settings::Manager::getBool("split", "Shadows") ? "#{sOn}" : "#{sOff}");
+        mShadowsLargeDistance->setCaptionWithReplacing("#{sOff}");
+        mShadowsLargeDistance->setEnabled (false);
+
         mShadowsEnabledButton->setCaptionWithReplacing(Settings::Manager::getBool("enabled", "Shadows") ? "#{sOn}" : "#{sOff}");
         mActorShadows->setCaptionWithReplacing(Settings::Manager::getBool("actor shadows", "Shadows") ? "#{sOn}" : "#{sOff}");
         mStaticsShadows->setCaptionWithReplacing(Settings::Manager::getBool("statics shadows", "Shadows") ? "#{sOn}" : "#{sOff}");

apps/openmw/mwrender/shadows.cpp

@@ -33,8 +33,8 @@ void Shadows::recreate()
 
     // Split shadow maps are currently disabled because the terrain cannot cope with them
     // (Too many texture units) Solution would be a multi-pass terrain material
-    bool split = Settings::Manager::getBool("split", "Shadows");
-    //const bool split = false;
+    //bool split = Settings::Manager::getBool("split", "Shadows");
+    const bool split = false;
 
     sh::Factory::getInstance ().setGlobalSetting ("shadows", enabled && !split ? "true" : "false");
     sh::Factory::getInstance ().setGlobalSetting ("shadows_pssm", enabled && split ? "true" : "false");

apps/openmw/mwrender/terrainmaterial.cpp

@@ -153,7 +153,8 @@ namespace MWRender
         --freeTextureUnits;
         // colourmap
         --freeTextureUnits;
-        freeTextureUnits -= 3; // shadow PSSM
+        // shadow
+        --freeTextureUnits;
 
         --freeTextureUnits; // caustics