Unreal Engine Issues

UE-56511

[CrashReport] UE4Editor_RHI!FClearValueBinding::GetClearColor() [rhi.h:989]

[CrashReport] UE4Editor_RHI!FClearValueBinding::GetClearColor() [rhi.h:989]

Description

No user comments in crash group

  986       	FLinearColor GetClearColor() const
  987       	{
  988 ***** 		ensure(ColorBinding == EClearBinding::EColorBound);
  989       		return FLinearColor(Value.Color[0], Value.Color[1], Value.Color[2], Value.Color[3]);
  990       	}
Steps to Reproduce
  1. Connect Daydream Device (Pixel/Pixel XL) to PC
  2. Open QAGame in Editor
  3. Enable GoogleVR plugins, disable Oculus/SteamVR plugins
  4. Close the Editor
  5. Start Daydream Instant Preview App on device
  6. Open QAGame in Editor (again)
  7. In the level Blueprint, add an ExecuteConsoleCommand node to BeginPlay
  8. Set the "Command" field to be: r.ScreenPercentage 99
  9. Under the Play dropdown, select VR Preview
  10. Wait for Session to stream to Daydream Device

RESULT: Crash

Callstack
Access violation - code c0000005 (first/second chance not available)

UE4Editor_RHI!FClearValueBinding::GetClearColor() [rhi.h:989]
UE4Editor_RHI!FRHITexture::GetClearColor() [rhiresources.h:509]
UE4Editor_Renderer!FRCPassPostProcessHMD::Process() [postprocesshmd.cpp:175]
UE4Editor_Renderer!FRenderingCompositionGraph::RecursivelyProcess() [renderingcompositiongraph.cpp:707]
UE4Editor_Renderer!FRenderingCompositePassContext::Process() [renderingcompositiongraph.cpp:237]
UE4Editor_Renderer!FPostProcessing::Process() [postprocessing.cpp:2166]
UE4Editor_Renderer!FDeferredShadingSceneRenderer::Render() [deferredshadingrenderer.cpp:1392]
UE4Editor_Renderer!RenderViewFamily_RenderThread() [scenerendering.cpp:2749]
UE4Editor_Renderer!TGraphTask<`FRendererModule::BeginRenderingViewFamily'::`33'::EURCMacro_FDrawSceneCommand>::ExecuteTask() [taskgraphinterfaces.h:829]
UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [taskgraph.cpp:665]
UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [taskgraph.cpp:574]
UE4Editor_RenderCore!RenderingThreadMain() [renderingthread.cpp:331]
UE4Editor_RenderCore!FRenderingThread::Run() [renderingthread.cpp:465]
UE4Editor_Core!FRunnableThreadWin::Run() [windowsrunnablethread.cpp:76]

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Fixed
ComponentUE - Platform - XR
Affects Versions4.19
Target Fix4.20
Fix Commit4103694
Main Commit4268410
Release Commit4104584
CreatedMar 27, 2018
ResolvedMay 31, 2018
UpdatedSep 16, 2019
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