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Issue ID




Crash on VFXParticleSystem::RenderQuadIndirectCommand right before playing a Particle Quad in Play mode

Package: Visual Effect Graph


Reproduction steps:
1. Open the attached project ("")
2. Update or downgrade URP and VFX and close the project
3. Reopen the project
4. Enter Play mode in scene "Level 2"

Reproducible with: VFX 7.1.8 (2019.3.0f3, 2019.3.2f1), 7.3.1 (2019.3.8f1, 2019.3.9f1), 8.0.1 (2020.1.0b5, 2020.2.0a7), 9.0.0 (2020.2.0a7)

First lines of the stacktrace:
0x00007FF659703143 (Unity) VFXParticleSystem::RenderQuadIndirectCommand
0x00007FF659DDA615 (Unity) BatchRenderer::RenderBatch
0x00007FF659DD01EB (Unity) BatchRenderer::Add
0x00007FF65A20449B (Unity) ScriptableRenderLoopDraw
0x00007FF65A204D6B (Unity) ScriptableRenderLoopJob

- The visual effect Unity seems to crash on is "Explosion" as that's the effect that should play after "Missile" GameObjects explode

  1. Resolution Note:

    Fixed in 2020.2.0a13

  2. Resolution Note:

    Fixed in 2019.4.0f1

  3. Resolution Note:

    Fixed in 2020.1.0b11

Comments (1)

  1. PieterPaladin

    May 08, 2020 15:58

    Workaround for this bug (in my project at least) is to make sure a VFX with quad particles is rendered together with a regular ParticleSystem with the main camera at the start of the game. Once you have rendered these you can Destroy them again. After this the game will run fine.

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