renderer: if texture is null, don't allocate a frame unless exporting

2020-09-19 12:53:07 +10:00
parent 7bc841904a
commit 8e0c86a6fa
2 changed files with 6 additions and 2 deletions
@@ -99,7 +99,11 @@ void ViewerDisplayWidget::SetSignalCursorColorEnabled(bool e)

 void ViewerDisplayWidget::SetImage(FramePtr in_buffer)
 {
-  last_loaded_buffer_ = in_buffer;
+  if (in_buffer && in_buffer->is_allocated()) {
+    last_loaded_buffer_ = in_buffer;
+  } else {
+    last_loaded_buffer_ = nullptr;
+  }

  if (last_loaded_buffer_) {
    makeCurrent();