# How CustomProceduralTexture use itself last render result

**URL:** <https://forum.babylonjs.com/t/how-customproceduraltexture-use-itself-last-render-result/39939>\
**Category:** Questions\
**Tags:** texture, render-target\
**Created:** [April 17, 2023, 3:12am UTC](https://forum.babylonjs.com/t/how-customproceduraltexture-use-itself-last-render-result/39939 "2023-04-17T03:12:08Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![tanpopo](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/tanpopo/32/32025_2.png) [@tanpopo](https://forum.babylonjs.com/u/tanpopo)\
**Post date:** [April 17, 2023, 6:07am UTC](https://forum.babylonjs.com/t/how-customproceduraltexture-use-itself-last-render-result/39939/2 "2023-04-17T06:07:02Z")

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You can use two textures to get the result.

> [@Onion Skin Post Process?](https://forum.babylonjs.com/t/onion-skin-post-process/9362/24):
>
> NOW I get it! That is amazing… Here’s a documented version of the Onion Skin Effect playground, for future explorers: [https://playground.babylonjs.com/#ZLB7Z2#6](https://playground.babylonjs.com/#ZLB7Z2#6)

Though the example used RTT, it should be similar with CustomProceduralTexture.

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