This is a common and longstanding assertion that has occurred since at least the 4.13 release.
User Descriptions
Source Context
455 template<typename BaseResourceType>
456 TD3D11Texture2D<BaseResourceType>* FD3D11DynamicRHI::CreateD3D11Texture2D(uint32 SizeX,uint32 SizeY,uint32 SizeZ,bool bTextureArray,bool bCubeTexture,uint8 Format,
457 uint32 NumMips,uint32 NumSamples,uint32 Flags, FRHIResourceCreateInfo& CreateInfo)
458 {
459 check(SizeX > 0 && SizeY > 0 && NumMips > 0);
460
461 if (bCubeTexture)
462 {
463 check(SizeX <= GetMaxCubeTextureDimension());
464 check(SizeX == SizeY);
465 }
466 else
467 {
468 ***** check(SizeX <= GetMax2DTextureDimension());
469 check(SizeY <= GetMax2DTextureDimension());
470 }
repro steps currently unknown; but based on user descriptions seems related to Sequencer camera's settings (specifically aspect ratio).
Assertion failed: SizeX <= GetMax2DTextureDimension() [File:D:\Build\++UE4+Release-4.14+Compile\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Texture.cpp] [Line: 469] UE4Editor_D3D11RHI!FD3D11DynamicRHI::CreateD3D11Texture2D<FD3D11BaseTexture2D>() [d3d11texture.cpp:477] UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHICreateTexture2D() [d3d11texture.cpp:1021] UE4Editor_RHI!FDynamicRHI::RHICreateTexture2D_RenderThread() [rhicommandlist.cpp:2099] UE4Editor_RHI!FRHICommandListImmediate::CreateTexture2D() [rhicommandlist.h:2891] UE4Editor_Engine!RHICreateTexture2D() [rhicommandlist.h:3678] UE4Editor_Engine!RHICreateTargetableShaderResource2D() [rhiutilities.h:518] UE4Editor_Engine!FViewport::FHitProxyMap::Init() [unrealclient.cpp:1629] UE4Editor_Engine!FSceneViewport::InitDynamicRHI() [sceneviewport.cpp:1712] UE4Editor_RenderCore!FRenderResource::InitResource() [renderresource.cpp:31] UE4Editor_RenderCore!BeginInitResource() [renderresource.cpp:126] UE4Editor_Engine!FSceneViewport::UpdateViewportRHI() [sceneviewport.cpp:1432] UE4Editor_Engine!FSceneViewport::ResizeViewport() [sceneviewport.cpp:1329] UE4Editor_Engine!FSceneViewport::OnDrawViewport() [sceneviewport.cpp:366] UE4Editor_Slate!SViewport::OnPaint() [sviewport.cpp:112] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SOverlay::OnPaint() [soverlay.cpp:97] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_Slate!SBox::OnPaint() [sbox.cpp:245] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_Slate!SBorder::OnPaint() [sborder.cpp:85] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SOverlay::OnPaint() [soverlay.cpp:97] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_Slate!SBorder::OnPaint() [sborder.cpp:85] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:31] UE4Editor_SlateCore!SPanel::OnPaint() [spanel.cpp:12] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SOverlay::OnPaint() [soverlay.cpp:97] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_Slate!SViewport::OnPaint() [sviewport.cpp:126] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_Slate!SCanvas::OnPaint() [scanvas.cpp:116] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SOverlay::OnPaint() [soverlay.cpp:97] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_Slate!SBorder::OnPaint() [sborder.cpp:85] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SOverlay::OnPaint() [soverlay.cpp:97] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:31] UE4Editor_SlateCore!SPanel::OnPaint() [spanel.cpp:12] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:31] UE4Editor_Slate!SSplitter::OnPaint() [ssplitter.cpp:167] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SCompoundWidget::OnPaint() [scompoundwidget.cpp:35] UE4Editor_SlateCore!SWidget::Paint() [swidget.cpp:885] UE4Editor_SlateCore!SPanel::PaintArrangedChildren() [spanel.cpp:31] UE4Editor_Slate!SSplitter::OnPaint() [ssplitter.cpp:167]
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