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0
Found in
2019.4
2020.3
2020.3.21f1
2021.2
2022.1
2022.2
Issue ID
1388288
Regression
No
[Win10] Graphics.DrawProceduralNow from OnRenderObject breaks when Worldspace Canvas is in Camera's view
How to reproduce:
1. Open the user's attached project "PC_URP_2020_3.zip"
2. In the Project window's Searchbox search for "PointCloud-BinaryLoaderV2.unity" and open it
3. Press Play
Expected result: Graphics.DrawProceduralNow() drawing is drawn outside of the Canvas GameObject
Actual result: Graphics.DrawProceduralNow() drawing is drawn inside of the Canvas GameObject
Reproducible with: 2019.4.34f1, 2020.3.25f1, 2021.2.7f1, 2022.1.0b3, 2022.2.0a2
Notes:
- In the Hierarchy window disabling "Canvas" > "Panel-TURN-THIS-OFF" or moving it outside of the Camera's view Graphics.DrawProceduralNow() draws outside of the Canvas GameObject
- Creating a new Universal RP project and importing the user's project Assets folder makes the drawing correctly displayed
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Resolution Note (2022.2.X):
The procedural geometry is being rendered after the UI panel so it is using the UI panel's transform, which is by design. The docs for https://docs.unity3d.com/2019.1/Documentation/ScriptReference/Graphics.DrawProceduralNow.html explain "Note that this call executes immediately, similar to Graphics.DrawMeshNow. It uses the currently set render target, transformation matrices and shader pass".
https://docs.unity3d.com/ScriptReference/Graphics.DrawProcedural.html or https://docs.unity3d.com/ScriptReference/Rendering.CommandBuffer.DrawProcedural.html may be more suitable for this use case.