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Fixed in Unity 2018.3



Found in

Issue ID




[Regression] TemporaryRT does not work with EnableRandomWrite

Graphics - General



Priority: 2Necessary for shipping a final release


Severity: 3Secondary functionality broken

1. Open project "" attached in comment
2. There are 3 scenes and the only difference between them are the creation of RenderTexture:

UAV_RenderTexture scene -- created using new RenderTexture()
UAV_TempRenderTexture scene -- created using RenderTexture.GetTemporary()
UAV_CmdTempRenderTexture scene -- created using CommandBuffer.GetTemporaryRT()

3. Hit play on each scene

Expected : You should see animating color on GameView after hitting play
Actual : Black

Regression info:

Version 2017.4.2f2:
- UAV_RenderTexture correct
- UAV_TempRenderTexture correct
- UAV_CmdTempRenderTexture black

Version 2018.1.0f1 / 2018.2.0b3 / 2018.3.0a1 (trunk e5784397efb2)
- UAV_RenderTexture correct
- UAV_TempRenderTexture black
- UAV_CmdTempRenderTexture black

Note: I'm not sure if UAV_CmdTempRenderTexture is supposed to work or not

Comments (8)

  1. 595cac28c2d673ce58219ae01e4e223c?d=mm


    May 20, 2019 12:41

    One of the best updates that was for the last year, Thnaks for that.
    Alex Gambler,

  2. F57e0f41edc0fb15e07f05b9143c490f?d=mm


    May 18, 2019 10:44

    This library is perfectly working while I was designing my game. I notice this bug couple of months ago but now everything is fine. I wrote a comprehensive article on website which made ample details on this issue.

  3. A3213ed1962f90e7282afc0fe0eb6591?d=mm


    May 11, 2019 09:54

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  4. 8b9e85d36260673f7eba1fbd242569aa?d=mm


    May 09, 2019 07:59

    Enable random access write into this render texture on Shader Model 5.0 level shaders.

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    Jun 11, 2018 09:20

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