https://bugs.documentfoundation.org/show_bug.cgi?id=93867
Bug ID: 93867
Summary: using GL threads across threads incorrectly ...
Product: LibreOffice
Version: unspecified
Hardware: Other
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: graphics stack
Assignee: [email protected]
Reporter: [email protected]
The unit tests threw up this nice one:
info:vcl.opengl:1052:3204:vcl/source/opengl/OpenGLHelper.cxx:701: Attaching
texture 14 to framebuffer 1- no GL context
info:vcl.opengl:1052:3204:vcl/source/opengl/OpenGLHelper.cxx:701:
~OpenGLTexture 14- no GL context
info:vcl.opengl:1052:3204:vcl/source/opengl/OpenGLHelper.cxx:701: ::drawRect-
no GL context
info:vcl.opengl:1052:3204:vcl/source/opengl/OpenGLHelper.cxx:701: OpenGLTexture
14 1x1 allocate- no GL context
info:vcl.opengl:1052:3204:vcl/source/opengl/OpenGLHelper.cxx:701: Attaching
texture 14 to framebuffer 1- no GL context
info:vcl.opengl:1052:3204:vcl/source/opengl/OpenGLHelper.cxx:701:
~OpenGLTexture 13- no GL context
info:vcl.opengl:1052:3204:vcl/source/opengl/OpenGLHelper.cxx:701:
~OpenGLTexture 14- no GL context
info:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLHelper.cxx:701: ::drawRect
warn:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLContext.cxx:1353:
OpenGLContext::makeCurrent(): wglMakeCurrent failed: 170
warn:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLHelper.cxx:430: GL Error
#1282(invalid operation) in File C:/sources/master/vcl/opengl/gdiimpl.cxx at
line: 176
warn:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLHelper.cxx:430: GL Error
#1282(invalid operation) in File C:/sources/master/vcl/opengl/gdiimpl.cxx at
line: 176
warn:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLHelper.cxx:430: GL Error
#1282(invalid operation) in File C:/sources/master/vcl/opengl/gdiimpl.cxx at
line: 176
warn:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLHelper.cxx:430: GL Error
#1282(invalid operation) in File C:/sources/master/vcl/opengl/gdiimpl.cxx at
line: 176
warn:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLHelper.cxx:430: GL Error
#1282(invalid operation) in File C:/sources/master/vcl/opengl/gdiimpl.cxx at
line: 176
warn:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLHelper.cxx:430: GL Error
#1282(invalid operation) in File C:/sources/master/vcl/opengl/gdiimpl.cxx at
line: 176
warn:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLHelper.cxx:430: GL Error
#1282(invalid operation) in File C:/sources/master/vcl/opengl/gdiimpl.cxx at
line: 176
warn:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLHelper.cxx:430: GL Error
#1282(invalid operation) in File C:/sources/master/vcl/opengl/gdiimpl.cxx at
line: 176
warn:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLHelper.cxx:437: Breaking
potentially recursive glGetError loop
The key lines are:
info:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLHelper.cxx:701: ::drawRect
warn:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLContext.cxx:1353:
OpenGLContext::makeCurrent(): wglMakeCurrent failed: 170
warn:vcl.opengl:1052:4396:vcl/source/opengl/OpenGLHelper.cxx:430: GL Error
#1282(invalid operation) in File C:/sources/master/vcl/opengl/gdiimpl.cxx at
line: 176
Which shows we have switched thread happily - without (apparently) releasing
the GL context properly - which is bad (TM).
This happens in CppuniTest_sc_filters_test - amusingly. In theory we have code
for releasing the context here so ...
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