Use separate config options for min and mag texture filters

apps/openmw/engine.cpp

@@ -452,7 +452,8 @@ void OMW::Engine::prepareEngine (Settings::Manager & settings)
     mResourceSystem.reset(new Resource::ResourceSystem(mVFS.get()));
     mResourceSystem->getTextureManager()->setUnRefImageDataAfterApply(true);
     mResourceSystem->getTextureManager()->setFilterSettings(
-        Settings::Manager::getString("texture filter", "General"),
+        Settings::Manager::getString("texture mag filter", "General"),
+        Settings::Manager::getString("texture min filter", "General"),
         Settings::Manager::getString("texture mipmap", "General"),
         Settings::Manager::getInt("anisotropy", "General"),
         NULL

apps/openmw/mwrender/renderingmanager.cpp

@@ -782,7 +782,8 @@ namespace MWRender
     void RenderingManager::updateTextureFiltering()
     {
         mResourceSystem->getTextureManager()->setFilterSettings(
-            Settings::Manager::getString("texture filter", "General"),
+            Settings::Manager::getString("texture mag filter", "General"),
+            Settings::Manager::getString("texture min filter", "General"),
             Settings::Manager::getString("texture mipmap", "General"),
             Settings::Manager::getInt("anisotropy", "General"),
             mViewer

components/resource/texturemanager.cpp

@@ -66,18 +66,22 @@ namespace Resource
         mUnRefImageDataAfterApply = unref;
     }
 
-    void TextureManager::setFilterSettings(const std::string &filter, const std::string &mipmap, int maxAnisotropy, osgViewer::Viewer *viewer)
+    void TextureManager::setFilterSettings(const std::string &magfilter, const std::string &minfilter,
+                                           const std::string &mipmap, int maxAnisotropy,
+                                           osgViewer::Viewer *viewer)
     {
         osg::Texture::FilterMode min = osg::Texture::LINEAR;
         osg::Texture::FilterMode mag = osg::Texture::LINEAR;
 
-        if(filter == "nearest")
+        if(magfilter == "nearest")
-        {
-            min = osg::Texture::NEAREST;
             mag = osg::Texture::NEAREST;
-        }
+        else if(magfilter != "linear")
-        else if(filter != "linear")
+            std::cerr<< "Invalid texture mag filter: "<<magfilter <<std::endl;
-            std::cerr<< "Invalid texture filter: "<<filter <<std::endl;
+
+        if(minfilter == "nearest")
+            min = osg::Texture::NEAREST;
+        else if(minfilter != "linear")
+            std::cerr<< "Invalid texture min filter: "<<minfilter <<std::endl;
 
         if(mipmap == "nearest")
         {

components/resource/texturemanager.hpp

@@ -28,7 +28,8 @@ namespace Resource
         TextureManager(const VFS::Manager* vfs);
         ~TextureManager();
 
-        void setFilterSettings(const std::string &filter, const std::string &mipmap, int maxAnisotropy,
+        void setFilterSettings(const std::string &magfilter, const std::string &minfilter,
+                               const std::string &mipmap, int maxAnisotropy,
                                osgViewer::Viewer *view);
 
         /// Keep a copy of the texture data around in system memory? This is needed when using multiple graphics contexts,

files/settings-default.cfg

@@ -110,8 +110,11 @@ anisotropy = 4
 # File format for screenshots.  (jpg, png, tga, and possibly more).
 screenshot format = png
 
-# Texture filter type.  (nearest or linear).
+# Texture magnification filter type.  (nearest or linear).
-texture filter = linear
+texture mag filter = linear
+
+# Texture minification filter type.  (nearest or linear).
+texture min filter = linear
 
 # Texture mipmap type.  (none, nearest, or linear).
 texture mipmap = nearest