xrSASH: Implement renderer command-line parameters.

Author: CrossVR

src/xrEngine/xrSASH.cpp

@@ -462,7 +462,15 @@ void xrSASH::TryInitEngine(bool bNoRun)
         xr_strcpy(Console->ConfigFile, c_name);
     }
 
-    if (strstr(Core.Params, "-r2a"))
+    if (strstr(Core.Params, "-gl"))
+        Console->Execute("renderer renderer_gl");
+    else if (strstr(Core.Params, "-r4"))
+        Console->Execute("renderer renderer_r4");
+    else if (strstr(Core.Params, "-r3"))
+        Console->Execute("renderer renderer_r3");
+    else if (strstr(Core.Params, "-r2.5"))
+        Console->Execute("renderer renderer_r2.5");
+    else if (strstr(Core.Params, "-r2a"))
         Console->Execute("renderer renderer_r2a");
     else if (strstr(Core.Params, "-r2"))
         Console->Execute("renderer renderer_r2");