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Inderpreet Singh

DX11 Modern applications and games create framework above DirectX?

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Hi

Modern applications and games create framework like this above graphics API - http://www.rastertek.com/dx11tut02.html ? And does this helps in optimizing performance?

 

Or

 

Is it beneficial to do the entire task in a single file like this without creating framework above graphics API - http://www.directxtutorial.com/Lesson.aspx?lessonid=11-4-4 ? And does this improves performance?

 

Thanks

Indy

Edited by Inder

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In UE4 the RHI is a low-level graphics API designed by Epic and implemented via platform gfx APIs (D3D, OGL, Metal, etc.). RHI - quite - removes the need of writing different render path/different framework implementation, however capability differences of different platforms and different gfx API still take place (mostly exactly in RHI implementations). It's mostly a different design choice.

 

Since most of current gfx API still have a lot of abstraction, the RHI approach could turn into a double-edged sword, especially for unexperienced developers, resulting in awkward design and higher overhead.

Edited by Alessio1989

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Custom command lists are an advanced subject typically only necessary for advanced techniques such as multi-threaded rendering.
They are also easy to implement (once you are advanced enough to be using them) in the future on top of the basic render system you should be making now.

Worry about command lists when you get to them. For now, try learning just to walk.


L. Spiro

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