message: Fix displaying color buffer values
diff: @@ -1843,7 +1843,7 @@ void renderer::render_hud()
  int x = visionaray::clamp( mouse_pos.x, 0, w - 1 );
  int y = visionaray::clamp( mouse_pos.y, 0, h - 1 );
  auto color = rt.color();
  - auto rgba = color[(h - 1 - y) * w + x];
  + vec4 rgba(color[(h - 1 - y) * w + x]);
  int num_nodes = 0;
  int num_leaves = 0;
  