Selection: Attempt to call an undefined function glBlitFramebuffer

[seabra@…]

The following bug report has been submitted:
Platform:        Windows-10-10.0.19041
ChimeraX Version: 1.1 (2020-09-09 22:22:27 UTC)
Description
I just tried to select all protein atoms in this file.

Log:
UCSF ChimeraX version: 1.1 (2020-09-09)  
© 2016-2020 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  
Thank you for registering your copy of ChimeraX. By providing the information
requested you will be helping us document the impact this software is having
in the scientific community. The information you supplied will only be used
for reporting summary usage statistics; no individual data will be released.  

> open "C:/Users/gmseabra/Dropbox (UFL)/work/li/LeadOpt/COX-2/PDB/5F19_-_WT_-
> _minimized_-_All.pdb"

5F19_-_WT_-_minimized_-_All.pdb title:  
The crystal structure of aspirin acetylated human cyclooxygenase-2 [more
info...]  
  
Chain information for 5F19_-_WT_-_minimized_-_All.pdb #1  
---  
Chain | Description  
A | No description available  
  
Non-standard residues in 5F19_-_WT_-_minimized_-_All.pdb #1  
---  
AKR — acrylic acid  
COH — protoporphyrin IX containing Co  
NAG — 2-acetamido-2-deoxy-β-D-glucopyranose  
  

> select
> ::name="ALA"::name="ARG"::name="ASN"::name="ASP"::name="CYS"::name="GLH"::name="GLN"::name="GLU"::name="GLY"::name="HID"::name="HIE"::name="ILE"::name="LEU"::name="LYS"::name="MET"::name="PHE"::name="PRO"::name="SER"::name="THR"::name="TRP"::name="TYR"::name="VAL"

8851 atoms, 8988 bonds, 552 residues, 1 model selected  
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 "C:\Program Files\ChimeraX 1.1\bin\lib\site-
packages\chimerax\core\updateloop.py", line 73, in draw_new_frame  
view.draw(check_for_changes = False)  
File "C:\Program Files\ChimeraX 1.1\bin\lib\site-
packages\chimerax\graphics\view.py", line 165, in draw  
self._draw_scene(camera, drawings)  
File "C:\Program Files\ChimeraX 1.1\bin\lib\site-
packages\chimerax\graphics\view.py", line 235, in _draw_scene  
r.outline.set_outline_mask() # copy depth to outline framebuffer  
File "C:\Program Files\ChimeraX 1.1\bin\lib\site-
packages\chimerax\graphics\opengl.py", line 1773, in set_outline_mask  
cfb.copy_to_framebuffer(mfb, color=False)  
File "C:\Program Files\ChimeraX 1.1\bin\lib\site-
packages\chimerax\graphics\opengl.py", line 2211, in copy_to_framebuffer  
GL.glBlitFramebuffer(0, 0, w, h, 0, 0, w, h, what, GL.GL_NEAREST)  
File "C:\Program Files\ChimeraX 1.1\bin\lib\site-
packages\OpenGL\platform\baseplatform.py", line 425, in __call__  
self.__name__, self.__name__,  
OpenGL.error.NullFunctionError: Attempt to call an undefined function
glBlitFramebuffer, check for bool(glBlitFramebuffer) before calling  
  




OpenGL version: 3.3.0 NVIDIA 436.02
OpenGL renderer: GeForce GTX 1060/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation
Manufacturer: Acer
Model: Predator G3-572
OS: Microsoft Windows 10 Home Single Language (Build 19041)
Memory: 17,057,812,480
MaxProcessMemory: 137,438,953,344
CPU: 8 Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz"
PyQt version: 5.12.3
Compiled Qt version: 5.12.4
Runtime Qt version: 5.12.9
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File attachment: 5F19_-_WT_-_minimized_-_All.pdb

5F19_-_WT_-_minimized_-_All.pdb​

[seabra@…]

Added by email2trac

[Eric Pettersen]

Reported by Gustavo Seabra

[Tom Goddard]

I don't think this error message about not finding the standard OpenGL graphics function glBlitFramebuffer has anything to do with this specific PDB file. Do you get this error every time you select anything? I would expect the error to happen with any selection. I guess other selections work (or you would have mentioned that). And I guess you cannot get this error again. But if you can get it to happen again please reply to this email.

The missing function is standard in OpenGL 3.0 and ChimeraX is using OpenGL 3.3. I don't have any clue how this error could happen. I tried selecting all standard amino acids with ChimeraX on macOS, no errors,