Add subpass samples

[Argent1024]

Add subpass samples

Checklist for PR maker

• Have you added a backport label (if needed)? For example, the need-backport-* label. After you backport the PR, the label changes to backported-*.
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Purpose of this PR

Why is this PR needed, what hard problem is it solving/fixing?
Add samples for depth input and post processing

Testing status

Describe what manual/automated tests were performed for this PR

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Comments to reviewers

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