added functions to add textures without file backing (!2) · Merge requests · OpenFlipper-Free / Plugin-TextureControl · GitLab

closes https://www.graphics.rwth-aachen.de:9000/OpenFlipper-Free/OpenFlipper-Free/issues/157 relies on https://www.graphics.rwth-aachen.de:9000/OpenFlipper-Free/OpenFlipper/merge_requests/110