message: allow screenshots after accum limit reached
diff: @@ -767,11 +767,6 @@ void MainWindow::display()
  frame->unmapFrame(mappedFB);
  - if (g_saveNextFrame) {
  - saveCurrentFrame();
  - g_saveNextFrame = false;
  - }
  -
  // Start new frame and reset frame timing interval start
  displayStart = std::chrono::high_resolution_clock::now();
  startNewOSPRayFrame();
  @@ -779,6 +774,11 @@ void MainWindow::display()
  g_currentFrame++;
  }
  + if (g_saveNextFrame) {
  + saveCurrentFrame();
  + g_saveNextFrame = false;
  + }
  +
  // clear current OpenGL color buffer
  glClear(GL_COLOR_BUFFER_BIT);
  