glClear: invalid enumerant

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Windows-7-6.1.7601-SP1
ChimeraX Version: 0.7 (2018-08-07)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 0.7 (2018-08-07)  
OpenGL version: 3.3.0 - Build 20.19.15.4454  
OpenGL renderer: Intel(R) HD Graphics 520  
OpenGL vendor: Intel  
How to cite UCSF ChimeraX  

open D:\myoA\MyoA-Act1_paper\Figs\actin_dens_0-025.cxs format session

Summary of feedback from opening D:\myoA\MyoA-
Act1_paper\Figs\actin_dens_0-025.cxs  
---  
error | OpenGL.error.GLError: GLError(  
err = 1280,  
description = b'invalid enumerant',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "zr\accelerate\src\errorchecker.pyx", line 53, in  
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
(src\errorchecker.c:1270)  
  
_See log for complete Python traceback._  
  
If you wish to report this error, send mail to [chimerax-  
bugs@cgl.ucsf.edu](mailto:chimerax-bugs@cgl.ucsf.edu) and describe what you  
were doing and include a copy of the contents of the log. Don't include any  
data you wish to remain private since a publicly viewable bug report will be  
created.  
note | Traceback (most recent call last):  
File "D:\Program Files\ChimeraX-0.7\bin\lib\site-  
packages\chimerax\ui\statusbar.py", line 77, in _expose_event  
self.status('', 'black', False)  
File "D:\Program Files\ChimeraX-0.7\bin\lib\site-  
packages\chimerax\ui\statusbar.py", line 115, in status  
r.draw_background()  
File "D:\Program Files\ChimeraX-0.7\bin\lib\site-  
packages\chimerax\core\graphics\opengl.py", line 1013, in draw_background  
GL.glClear(flags)  
File "zr\accelerate\src\errorchecker.pyx", line 53, in  
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
(src\errorchecker.c:1270)  
OpenGL.error.GLError: GLError(  
err = 1280,  
description = b'invalid enumerant',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
opened ChimeraX session  

An error occurred in drawing the scene. Redrawing graphics is now stopped to
avoid a continuous stream of error messages. To restart graphics use the
command "graphics restart" after changing the settings that caused the error.  
  
Traceback (most recent call last):  
File "D:\Program Files\ChimeraX-0.7\bin\lib\site-
packages\chimerax\core\updateloop.py", line 71, in draw_new_frame  
view.draw(check_for_changes = False)  
File "D:\Program Files\ChimeraX-0.7\bin\lib\site-
packages\chimerax\core\graphics\view.py", line 158, in draw  
r.set_background_color(self.background_color)  
File "D:\Program Files\ChimeraX-0.7\bin\lib\site-
packages\chimerax\core\graphics\opengl.py", line 1008, in set_background_color  
GL.glClearColor(r, g, b, a)  
File "zr\accelerate\src\errorchecker.pyx", line 53, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError
(src\errorchecker.c:1270)  
OpenGL.error.GLError: GLError(  
err = 1280,  
description = b'invalid enumerant',  
baseOperation = glClearColor,  
cArguments = (1.0, 1.0, 1.0, 0.0)  
)  
  




OpenGL version: 3.3.0 - Build 20.19.15.4454
OpenGL renderer: Intel(R) HD Graphics 520
OpenGL vendor: Intel

[Tom Goddard]

Graphics driver or WIndows 7 problem.
Looks like same reporter as earlier today.