Don't updateSizeAndPosition on setPos as it might change texture and that isn't threadsafe

sdlpp/sdlpp_renderobject.cpp

@@ -42,7 +42,7 @@ void RenderObject::setPos( const std::pair< double, double > &pos ) {
 }
 void RenderObject::setPos( const Vec2D< double > &vec ) {
     original = vec;
-    updateSizeAndPosition();
+//    updateSizeAndPosition();
 }
 Vec2D< double > RenderObject::getPos() const {
     return original;

sdlpp/sdlpp_textrenderer.cpp

@@ -85,6 +85,7 @@ void TextRenderer::updateTexture() {
 }
 void TextRenderer::updateSizeAndPosition() {
     RectangleRender::updateSizeAndPosition();
+    // TODO only if size actually changed
     updateTexture();
     updateDstRect();
 }