ORMTool is a lightweight C++ desktop application that generates ORM (Occlusion-Roughness-Metallic) texture maps by combining separate grayscale images. It provides real-time previews, supports both Unreal Engine and Unity formats, and uses a modern GUI built with Dear ImGui.
- ✅ Generate ORM textures for:
- Unreal Engine format: AO (R), Roughness (G), Metallic (B)
- Unity format: Metallic (R), AO (G), White (B), Inverted Roughness (A)
- ✅ Preview textures and individual color channels
- ✅ Live progress bar during generation
- ✅ Support for custom resolutions
- ✅ Fast multithreaded image processing
- ✅ Simple drag-and-drop style UI using ImGui
`
The project requires the following libraries:
- GLFW — window/context/input
- OpenGL — rendering backend
- Dear ImGui — GUI
- stb_image.h / stb_image_write.h — image I/O
- Native File Dialog (NFD) — file picker