Deferred Rendering follow up items

[DGriffin91]

Due to the size of the Deferred Rendering PR it was decided to address some issues in follow PRs. This issue exists to track the progress of the issues identified in the PR code review

• Make mesh pipeline code reusable Deferred Renderer #9258 (comment)
• Use coordinate transformations from View Transformations #9726 once it's merged
• Don't unnecessarily recreate bindings/textures every frame Deferred Renderer #9258 (comment) Deferred Renderer #9258 (comment) Deferred Renderer #9258 (comment)
• Automatically determine where/when the color attachment should be cleared: Deferred Renderer #9258 (comment)
• Improve material UX to more cleanly support deferred+forward materials: Deferred Renderer #9258 (review) Deferred Renderer #9258 (review)
• Copy normals to prepass texture in subsequent pass to minimize deferred attachment size: Deferred Renderer #9258 (comment)

[JMS55]

@DGriffin91 Item #4 was done in #10325

[BD103]

It looks like all the PRs listed above are now merged. Can I close this as completed?

[DGriffin91]

@BD103 at the very least, still missing the last one. These reference comments in the initial PR. That's why they look merged.