Loading scene for every frame before rendering?

Hi,

I’m mostly interested on understanding how eevee does this step buts as Cycles seems to do it the same way I’m asking in this forum.

I’m trying to understand how the uploading step works before rendering starts. So I’m trying to render an animation in which the only parameter that changes is the camera transform, so my questions are:

1- Do, eevee and cycles, upload into memory all the scene (textures, meshes etc) for each frame?

2-If so, it seems like a process (in my case) that takes longer than the rendering, is it really necessary to do so if nothing changes in the scene besides the camera?

It exports the whole scene every time, except images if you have the Persistent Images option checked. There are plans to avoid that, it just takes work to get there.

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I can’t find the option Persistant Images when using eevee, I suppose is just in Cycles?

Yes, that option is Cycles only.