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Exiting immersive session yields GL error #27276

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jdm opened this issue Jul 14, 2020 · 7 comments
Closed

Exiting immersive session yields GL error #27276

jdm opened this issue Jul 14, 2020 · 7 comments
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@jdm
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A-content/webgl A-xr-zomg I-panic P-mac

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@jdm
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@jdm jdm commented Jul 14, 2020

https://immersive-web.github.io/webxr-samples/immersive-ar-session.html?usePolyfill=0
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@jdm jdm commented Jul 14, 2020 

[2020-07-14T21:38:41Z ERROR canvas::webgl_thread] Last GL operation failed: Clear(16640)
Unexpected WebGL error: 0x506 (1286) [Clear(16640)] (thread WebGL thread, at components/canvas/webgl_thread.rs:2237)
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@jdm jdm commented Jul 17, 2020

I get a different panic exiting https://de-panther.github.io/unity-webxr-export/Build/ by pressing the VR button when there's a VR window open:

[2020-07-17T14:25:09Z ERROR canvas::webgl_thread] Last GL operation failed: FramebufferTexture2D(36160, 36064, 34037, Some(WebGLTextureId(36)), 0)
Unexpected WebGL error: 0x502 (1282) [FramebufferTexture2D(36160, 36064, 34037, Some(WebGLTextureId(36)), 0)] (thread WebGL thread, at components/canvas/webgl_thread.rs:2237)
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@jdm jdm commented Jul 17, 2020

This is a regression from #26927.
@jdm jdm added the P-mac label Jul 17, 2020
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@asajeffrey asajeffrey commented Jul 17, 2020

Hmm, that is probably caused by a frame being begun after the GL resources have been reclaimed, or the GL resources being reclaimed in the middle of an animation frame.
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@jdm jdm commented Jul 17, 2020 •
edited

Full log output for the last complete frame and the broken frame:

[2020-07-17T15:19:22Z DEBUG webxr::glwindow] Begin animation frame for layers [(ContextId(1), LayerId(0))]
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebXRCommand(BeginFrame(WebXRLayerManagerId(1), [(ContextId(1), LayerId(0))], WebGLSender(..)))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing BeginFrame(WebXRLayerManagerId(1), [(ContextId(1), LayerId(0))], WebGLSender(..))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindTexture(34037, Some(WebGLTextureId(7))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindTexture(34037, Some(WebGLTextureId(7))))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindFramebuffer(36160, Explicit(WebGLFramebufferId(2))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindFramebuffer(36160, Explicit(WebGLFramebufferId(2))))
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::bind_framebuffer: 2
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), FramebufferTexture2D(36160, 36064, 34037, Some(WebGLTextureId(7)), 0), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(FramebufferTexture2D(36160, 36064, 34037, Some(WebGLTextureId(7)), 0))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), FramebufferTexture2D(36160, 33306, 3553, Some(WebGLTextureId(3)), 0), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(FramebufferTexture2D(36160, 33306, 3553, Some(WebGLTextureId(3)), 0))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindFramebuffer(36160, Explicit(WebGLFramebufferId(2))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindFramebuffer(36160, Explicit(WebGLFramebufferId(2))))
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::bind_framebuffer: 2
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), Clear(16640), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(Clear(16640))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UseProgram(Some(WebGLProgramId(1))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UseProgram(Some(WebGLProgramId(1))))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), ColorMask(true, true, true, true), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(ColorMask(true, true, true, true))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DepthMask(true), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DepthMask(true))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), StencilMask(0), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(StencilMask(0))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DepthFunc(513), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DepthFunc(513))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindVertexArray(Some(WebGLVertexArrayId(2))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindVertexArray(Some(WebGLVertexArrayId(2))))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(0, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(0, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.3, 0.0, 0.0, 0.0, 0.0, 0.21213204, -0.21213202, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.0, -0.3, -0.5, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.3, 0.0, 0.0, 0.0, 0.0, 0.21213204, -0.21213202, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.0, -0.3, -0.5, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DrawElements { mode: 4, count: 204, type_: 5123, offset: 0 }, WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DrawElements { mode: 4, count: 204, type_: 5123, offset: 0 })
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(1024, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(1024, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.3, 0.0, 0.0, 0.0, 0.0, 0.21213204, -0.21213202, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.0, -0.3, -0.5, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.3, 0.0, 0.0, 0.0, 0.0, 0.21213204, -0.21213202, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.0, -0.3, -0.5, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DrawElements { mode: 4, count: 204, type_: 5123, offset: 0 }, WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DrawElements { mode: 4, count: 204, type_: 5123, offset: 0 })
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UseProgram(Some(WebGLProgramId(4))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UseProgram(Some(WebGLProgramId(4))))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindVertexArray(Some(WebGLVertexArrayId(3))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindVertexArray(Some(WebGLVertexArrayId(3))))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(0, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(0, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, -0.063750006, -0.21885951, -0.5726552, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, -0.063750006, -0.21885951, -0.5726552, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DrawElements { mode: 4, count: 36, type_: 5123, offset: 0 }, WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DrawElements { mode: 4, count: 36, type_: 5123, offset: 0 })
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(1024, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(1024, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, -0.063750006, -0.21885951, -0.5726552, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, -0.063750006, -0.21885951, -0.5726552, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DrawElements { mode: 4, count: 36, type_: 5123, offset: 0 }, WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DrawElements { mode: 4, count: 36, type_: 5123, offset: 0 })
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindVertexArray(Some(WebGLVertexArrayId(8))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindVertexArray(Some(WebGLVertexArrayId(8))))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(0, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(0, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, -0.10875001, -0.21885951, -0.5726552, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, -0.10875001, -0.21885951, -0.5726552, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DrawElements { mode: 4, count: 30, type_: 5123, offset: 156 }, WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DrawElements { mode: 4, count: 30, type_: 5123, offset: 156 })
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(1024, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(1024, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, -0.10875001, -0.21885951, -0.5726552, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, -0.10875001, -0.21885951, -0.5726552, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DrawElements { mode: 4, count: 30, type_: 5123, offset: 156 }, WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DrawElements { mode: 4, count: 30, type_: 5123, offset: 156 })
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindVertexArray(Some(WebGLVertexArrayId(4))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindVertexArray(Some(WebGLVertexArrayId(4))))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(0, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(0, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z DEBUG webxr_api::session] processing RenderAnimationFrame(0)
[2020-07-17T15:19:22Z DEBUG webxr::glwindow] End animation frame for layers [(ContextId(1), LayerId(0))]
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.11625, -0.21885951, -0.5726552, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.11625, -0.21885951, -0.5726552, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DrawElements { mode: 4, count: 30, type_: 5123, offset: 264 }, WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DrawElements { mode: 4, count: 30, type_: 5123, offset: 264 })
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(1024, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(1024, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.11625, -0.21885951, -0.5726552, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.11625, -0.21885951, -0.5726552, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DrawElements { mode: 4, count: 30, type_: 5123, offset: 264 }, WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DrawElements { mode: 4, count: 30, type_: 5123, offset: 264 })
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindVertexArray(Some(WebGLVertexArrayId(5))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindVertexArray(Some(WebGLVertexArrayId(5))))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(0, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(0, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.026249997, -0.21885951, -0.5726552, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.026249997, -0.21885951, -0.5726552, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DrawElements { mode: 4, count: 24, type_: 5123, offset: 888 }, WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DrawElements { mode: 4, count: 24, type_: 5123, offset: 888 })
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(1024, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(1024, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.026249997, -0.21885951, -0.5726552, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.026249997, -0.21885951, -0.5726552, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DrawElements { mode: 4, count: 24, type_: 5123, offset: 888 }, WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DrawElements { mode: 4, count: 24, type_: 5123, offset: 888 })
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindVertexArray(Some(WebGLVertexArrayId(6))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindVertexArray(Some(WebGLVertexArrayId(6))))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(0, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(0, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.07125, -0.21885951, -0.5726552, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.07125, -0.21885951, -0.5726552, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DrawElements { mode: 4, count: 30, type_: 5123, offset: 936 }, WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DrawElements { mode: 4, count: 30, type_: 5123, offset: 936 })
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(1024, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(1024, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.07125, -0.21885951, -0.5726552, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, 0.07125, -0.21885951, -0.5726552, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), DrawElements { mode: 4, count: 30, type_: 5123, offset: 936 }, WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(DrawElements { mode: 4, count: 30, type_: 5123, offset: 936 })
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindVertexArray(Some(WebGLVertexArrayId(7))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindVertexArray(Some(WebGLVertexArrayId(7))))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(0, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(0, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, -0.018750004, -0.21885951, -0.5726552, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, -0.018750004, -0.21885951, -0.5726552, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), SetViewport(1024, 0, 1024, 1524), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(SetViewport(1024, 0, 1024, 1524))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(0, [1.4882813, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0001999, -1.0, 0.0, 0.0, -0.20001999, 0.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(4, [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, -0.03, 0.0, 0.0, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, -0.018750004, -0.21885951, -0.5726552, 1.0]), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(UniformMatrix4fv(8, [0.0225, 0.0, 0.0, 0.0, 0.0, 0.015909903, -0.015909903, 0.0, 0.0, 0.21213202, 0.21213204, 0.0, -0.018750004, -0.21885951, -0.5726552, 1.0]))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindVertexArray(None), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindVertexArray(None))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindFramebuffer(36160, Explicit(WebGLFramebufferId(2))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindFramebuffer(36160, Explicit(WebGLFramebufferId(2))))
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::bind_framebuffer: 2
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), FramebufferTexture2D(36160, 36064, 34037, None, 0), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(FramebufferTexture2D(36160, 36064, 34037, None, 0))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebXRCommand(EndFrame(WebXRLayerManagerId(1), [(ContextId(1), LayerId(0))], WebGLSender(..)))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing EndFrame(WebXRLayerManagerId(1), [(ContextId(1), LayerId(0))], WebGLSender(..))
[2020-07-17T15:19:22Z DEBUG webxr::glwindow] Presenting texture 2
[2020-07-17T15:19:22Z DEBUG webxr::glwindow] Begin animation frame for layers [(ContextId(1), LayerId(0))]
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebXRCommand(BeginFrame(WebXRLayerManagerId(1), [(ContextId(1), LayerId(0))], WebGLSender(..)))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing BeginFrame(WebXRLayerManagerId(1), [(ContextId(1), LayerId(0))], WebGLSender(..))
[2020-07-17T15:19:22Z DEBUG webxr_api::session] processing Quit
[2020-07-17T15:19:22Z DEBUG webxr::glwindow] End animation frame for layers [(ContextId(1), LayerId(0))]
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebXRCommand(EndFrame(WebXRLayerManagerId(1), [(ContextId(1), LayerId(0))], WebGLSender(..)))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing EndFrame(WebXRLayerManagerId(1), [(ContextId(1), LayerId(0))], WebGLSender(..))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindTexture(34037, Some(WebGLTextureId(7))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindTexture(34037, Some(WebGLTextureId(7))))
[2020-07-17T15:19:22Z DEBUG webxr::glwindow] Presenting texture 2
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindFramebuffer(36160, Explicit(WebGLFramebufferId(2))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindFramebuffer(36160, Explicit(WebGLFramebufferId(2))))
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::bind_framebuffer: 2
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), FramebufferTexture2D(36160, 36064, 34037, Some(WebGLTextureId(7)), 0), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(FramebufferTexture2D(36160, 36064, 34037, Some(WebGLTextureId(7)), 0))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), FramebufferTexture2D(36160, 33306, 3553, Some(WebGLTextureId(3)), 0), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(FramebufferTexture2D(36160, 33306, 3553, Some(WebGLTextureId(3)), 0))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), BindFramebuffer(36160, Explicit(WebGLFramebufferId(2))), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(BindFramebuffer(36160, Explicit(WebGLFramebufferId(2))))
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::bind_framebuffer: 2
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebGLCommand(WebGLContextId(1), Clear(16640), WebGLCommandBacktrace)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] WebGLImpl::apply(Clear(16640))
[2020-07-17T15:19:22Z ERROR canvas::webgl_thread] Last GL operation failed: Clear(16640)
[2020-07-17T15:19:22Z DEBUG canvas::webgl_thread] (thread ThreadId(16)) Current draw framebuffer binding: 2
Unexpected WebGL error: 0x506 (1286) [Clear(16640)] (thread WebGL thread, at components/canvas/webgl_thread.rs:2237)
[2020-07-17T15:19:22Z DEBUG webxr_api::layer] Dropping LayerManager
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@asajeffrey asajeffrey commented Jul 17, 2020

Ah, the problem is:

[2020-07-17T15:19:22Z DEBUG webxr::glwindow] Begin animation frame for layers [(ContextId(1), LayerId(0))]
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebXRCommand(BeginFrame(WebXRLayerManagerId(1), [(ContextId(1), LayerId(0))], WebGLSender(..)))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing BeginFrame(WebXRLayerManagerId(1), [(ContextId(1), LayerId(0))], WebGLSender(..))
[2020-07-17T15:19:22Z DEBUG webxr_api::session] processing Quit
[2020-07-17T15:19:22Z DEBUG webxr::glwindow] End animation frame for layers [(ContextId(1), LayerId(0))]
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing WebXRCommand(EndFrame(WebXRLayerManagerId(1), [(ContextId(1), LayerId(0))], WebGLSender(..)))
[2020-07-17T15:19:22Z TRACE canvas::webgl_thread] processing EndFrame(WebXRLayerManagerId(1), [(ContextId(1), LayerId(0))], WebGLSender(..))

the Quit is arriving in the middle of the frame, causing EndFrame to be processed too early. If Quit arrives in the middle of a frame we should wait until the frame is ended before quitting.
@jdm jdm self-assigned this Jul 17, 2020
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@jdm jdm commented Jul 20, 2020

Fixed by #27316.
@jdm jdm closed this Jul 20, 2020
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