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Fixed in Unity 2018.2



Found in


Issue ID




[NVIDIA] Editor freezes or crashes when initializing CustomRenderTexture with Init Shader that contains a GrabPass




Priority: 7Not yet prioritized for a release


Severity: 1Crash, freeze, data loss, work stops

How to reproduce:
1. Open "CRTFreeze" project and "1" scene (Make sure that you are launching the project using Nvidia GPU)
2. Enter playmode

Expected result: Playmode is entered, no crash or freeze occurs
Actual result: Editor starts freezing (DirectX11 or Direct12) or crashes (inconsistently) on Open GLES2/Open GLES3/OpenGLCore APIs on:

0x0000000140323CEF (Unity) GlslGpuProgramGLES::Bind
0x000000014031D4B2 (Unity) GfxDeviceGLES::BeforeDrawCall
0x000000014031372A (Unity) GfxDeviceGLES::DrawBuffers
0x000000014060DB2E (Unity) GenericDynamicVBO::DrawChunkInternal
0x000000014060D85B (Unity) DynamicVBO::DrawChunk
0x0000000141D27CB4 (Unity) GfxDeviceWorker::RunCommand
0x0000000141D29A2B (Unity) GfxDeviceWorker::RunExt

Reproducible - 2017.3.0b5, 2017.2.0f3, 2017.1.2p1, 2017.1.10a1
Not reproducible - 2018.1.0a1

1. "Assertion failed: DX11 shader input signature is null" error is thrown when using AMD, Intel GPUs
2. Moving Editor from one screen to another or resizing it, results in crash (similar or identical to

Fixed in 2018.2

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