Warped Texture Coords; Color Output in Movie Render Queue

Development Rendering
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1

Hello. I’ve recently been tackling the challenge of recording UVs using materials and movie render queue so I can use the recorded sequence to map videos to those UVs in softwares such as Davinci Resolve (Mimicking 3D by mapping to a 2D video of UVs)

However, I’ve noticed the colors are always stretched or incorrect, and don’t reach the full values. I’ve checked out multiple forum posts regarding color output in the viewport and movie render queue, and no solution has produced the proper values. Below I have a comparison of the generated UVs from the material and the same UVs generated from movie render queue:

Desired UVs strech like this:
image

But when I record those UVs in movie render queue, the output looks like this:
image

Same issue in Davinci Resolve, discrepancies between the ideal and the rendered.

I suppose the question is, what set up/color space can I use to get the exact color values produced by materials?

2

To be clear, this is NOT a cropping issue.

I’ve set up the render so that it captures all of the material;
Screen UVs so the camera does get the full range of 0-1 texture coordinates that I’m looking for.

3

I’m having the same issues but with After Effects, I’d love to get some kind of solution on this.