Merge pull request #14 from OSVR/osvrUnityUpdatev0.6.6.9

Update to OSVR-Unityv0.6.6.9, adds d3dcompiler_47.dll dependency for …

Assets/OSVRUnity/src/DLLSearchPathFixer.cs

@@ -48,25 +48,29 @@ public static void fix()
             /// </summary>
             private DLLSearchPathFixer()
             {
+#if !UNITY_WINRT
                 var currentPath = Environment.GetEnvironmentVariable("PATH", EnvironmentVariableTarget.Process);
                 //Debug.Log(String.Format("Old PATH: {0}", currentPath));
                 OrigDirs = new List<string>(currentPath.Split(Path.PathSeparator));
                 UnityDataDir = Application.dataPath;
                 UnityDataDirBackslashed = Application.dataPath.Replace("/", "\\");
+#endif
             }
 
             /// <summary>
             /// Update the process environment PATH variable to contain the full list (entries new and old) of directories.
             /// </summary>
             private void ApplyChanges()
             {
+#if !UNITY_WINRT
                 // Combine new and old dirs
                 var allDirs = new List<String>(NewDirs);
                 allDirs.AddRange(OrigDirs);
 
                 var newPathString = String.Join(Path.PathSeparator.ToString(), allDirs.ToArray());
                 //Debug.Log(String.Format("New PATH: {0}", newPathString));
                 Environment.SetEnvironmentVariable("PATH", newPathString, EnvironmentVariableTarget.Process);
+#endif
             }
 
             /// <summary>

Assets/OSVRUnity/src/VREye.cs

@@ -220,7 +220,10 @@ public void CreateSurfaces(uint surfaceCount)
 
                             //create a RenderTexture for this eye's camera to render into
                             RenderTexture renderTexture = new RenderTexture(surface.Viewport.Width, surface.Viewport.Height, 24, RenderTextureFormat.Default);
-                            renderTexture.antiAliasing = QualitySettings.antiAliasing;
+                            if (QualitySettings.antiAliasing > 0)
+                            {
+                                renderTexture.antiAliasing = QualitySettings.antiAliasing;
+                            }
                             surface.SetRenderTexture(renderTexture);
                         }
                     }
@@ -264,7 +267,10 @@ public void CreateSurfaces(uint surfaceCount)
 
                         //create a RenderTexture for this eye's camera to render into
                         RenderTexture renderTexture = new RenderTexture(surface.Viewport.Width, surface.Viewport.Height, 24, RenderTextureFormat.Default);
-                        renderTexture.antiAliasing = QualitySettings.antiAliasing;
+                        if (QualitySettings.antiAliasing > 0)
+                        {
+                            renderTexture.antiAliasing = QualitySettings.antiAliasing;
+                        }
                         surface.SetRenderTexture(renderTexture);                       
                     }             
                 }