Add Mitsuba-based renderer for GNM meshes. - #81
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This change introduces gnm_mitsuba.py, which provides utilities to convert GNM mesh data (vertices, faces, UVs, normals, and colors) into Mitsuba meshes and render them. It supports multi-frame and multi-mesh rendering with custom camera parameters (OpenCV convention), textures, background compositing, and multisample anti-aliasing. Unit tests are also added in gnm_mitsuba_test.py to verify rendering, mesh creation, and camera parameter validation. PiperOrigin-RevId: 973973915
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Add Mitsuba-based renderer for GNM meshes.
This change introduces gnm_mitsuba.py, which provides utilities to convert GNM mesh data (vertices, faces, UVs, normals, and colors) into Mitsuba meshes and render them. It supports multi-frame and multi-mesh rendering with custom camera parameters (OpenCV convention), textures, background compositing, and multisample anti-aliasing. Unit tests are also added in gnm_mitsuba_test.py to verify rendering, mesh creation, and camera parameter validation.