There is ios/Metal sample here that seems to support opengl: https://github.com/facebook/igl/blob/main/samples/ios/snapshot_test_support/TinyRenderable.cpp http

There is ios/Metal sample here that seems to support opengl: https://github.com/facebook/igl/blob/main/samples/ios/snapshot_test_support/TinyRenderable.cpp https://github.com/facebook/igl/blob/main/samples/ios/snapsh... Thr shaders are backend specific but rest is mostly generic?