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Migi0027

Increasing performance

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Hi guys. wink.png

 

What I do when drawing full screen effects, is normally to sample a full screen quad, but at the native resolution. After a while I realized that it was becoming quite slow, with multiple full screen effects.

 

How do other people accomplish a steady performance when doing these full screen effects, multiple of them?

 

Could you decrease the resolution when performing these effects, so as an example, scaling down the screen when applying the bloom effect, or when blurring something?

 

Thanks, as usual. smile.png

-MIGI0027

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Also, if you do not want to process entire quad, you can use stencil buffer as the reference to what pixels on screen to process. This is yet costy in case you do want to process entire quad, as this demand the stencil buffer pass to define what to shade.

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