v0.6.3: moved opengl code out of fog of war class, into BufferTexture

SPD-classes/src/main/java/com/watabou/gltextures/TextureCache.java

@@ -87,6 +87,26 @@ public class TextureCache {
 		
 	}
 	
+	//creates a smarttexture backed by a native intbuffer, not a bitmap.
+	//This is much faster is the texture needs to be frequently edited.
+	//texture is all black by default
+	public static SmartTexture createBufferTex( String key, int w, int h ){
+		
+		key += "w" + w + "h" + h;
+		
+		if (all.containsKey( key )){
+			
+			return all.get( key );
+			
+		} else {
+			
+			BufferTexture tx = new BufferTexture(w, h);
+			all.put( key, tx);
+			return tx;
+		
+		}
+	}
+	
 	public static void add( Object key, SmartTexture tx ) {
 		all.put( key, tx );
 	}