Added (disabled by default) support for anti-aliasing (edit your config file to get it)

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@7985 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/config/user_config.hpp

@@ -347,7 +347,9 @@ namespace UserConfigParams
     PARAM_PREFIX BoolUserConfigParam         m_trilinear
         PARAM_DEFAULT( BoolUserConfigParam(true, "trilinear", &m_graphics_quality,
                                            "Whether trilinear filtering is allowed to be used (true or false)") );
-    
+    PARAM_PREFIX BoolUserConfigParam         m_fullscreen_antialiasing
+        PARAM_DEFAULT( BoolUserConfigParam(false, "fullscreen_antialiasing", &m_graphics_quality,
+                                       "Whether fullscreen antialiasing is enabled") );
 
     // ---- Misc
     PARAM_PREFIX BoolUserConfigParam        m_minimal_race_gui

src/graphics/irr_driver.cpp

@@ -150,6 +150,7 @@ void IrrDriver::initDevice()
         for (int bits=32; bits>15; bits -=8)
         {
             std::cout << "[IrrDriver] Trying to create device with " << bits << " bits\n";
+            /*
             m_device = createDevice(type,
                                     core::dimension2d<u32>(UserConfigParams::m_width,
                                                            UserConfigParams::m_height ),
@@ -159,6 +160,21 @@ void IrrDriver::initDevice()
                                     false,  // vsync
                                     this    // event receiver
                                     );
+             */
+            
+            SIrrlichtCreationParameters params;
+            params.DriverType = type;
+            params.WindowSize = core::dimension2d<u32>(UserConfigParams::m_width,
+                                                       UserConfigParams::m_height);
+            params.Bits = bits;
+            params.EventReceiver = this;
+            params.Fullscreen = UserConfigParams::m_fullscreen;
+            
+            if (UserConfigParams::m_fullscreen_antialiasing)
+                params.AntiAlias = 8;
+            
+            m_device = createDeviceEx(params);
+            
             if(m_device) break;
         }   // for bits=32, 24, 16
         if(m_device) break;

src/graphics/material.cpp

@@ -545,6 +545,9 @@ void  Material::setMaterialProperties(video::SMaterial *m) const
         m->ColorMaterial = video::ECM_NONE; // Override one above
     }
 #endif
+    
+    if (UserConfigParams::m_fullscreen_antialiasing)
+        m->AntiAliasing = video::EAAM_LINE_SMOOTH;
 
     
 }   // setMaterialProperties