In the Extended 0.41, how do I apply a shader?

BlitzMax Modules Forums/MiniB3D/In the Extended 0.41, how do I apply a shader?

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I'm trying to apply a Bloom shader to the world, but I cannot figure out how. As far as I can see, I can only apply shaders to specific entities? I tried to brush the camera, but that only made the game crash. How do I "brush" the entire world with a bloom shader?