MATLAB failing to find hardware OpenGL

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Stephen Eick
Stephen Eick 2015-9-10
评论： Lasse 2023-1-31
Here's a few things I know:
  • I have a Intel® Core™ i5-5200U CPU @ 2.20GHz
  • I'm running on Linux Mint
  • My version of MATLAB is R2015b
  • The output from "glxinfo | grep rende" indicates I have hardware support for OpenGL(posted below):
direct rendering: Yes
GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer,
GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer,
OpenGL renderer string: Mesa DRI Intel(R) Broadwell
GL_NV_conditional_render, GL_NV_depth_clamp, GL_NV_packed_depth_stencil,
GL_NV_blend_square, GL_NV_conditional_render, GL_NV_depth_clamp,
Looks good, right? Well, when I start up MATLAB and run "opengl info", this is what I get:
MATLAB has experienced a low-level graphics error, and may not have drawn correctly.
Read about what you can do to prevent this issue at Resolving Low-Level Graphics Issues then restart MATLAB.
To share details of this issue with MathWorks technical support,
please include this file with your service request.
Version: ''
Vendor: ''
Renderer: 'None'
RendererDriverVersion: ''
RendererDriverReleaseDate: ''
MaxTextureSize: 0
Visual: ''
Software: 1
HardwareSupportLevel: 'none'
SupportsGraphicsSmoothing: 0
SupportsDepthPeelTransparency: 0
SupportsAlignVertexCenters: 0
Extensions: {}
MaxFrameBufferSize: 0
Uhhhh...that looks like sort of a problem. Running "opengl hardwarebasic", then "opengl info" gives the exact same result back.
So, I tried opening MATLAB with the -softwareopengl flag. Now, "opengl info" give this:
Version: '2.1 Mesa 7.2'
Vendor: 'Brian Paul'
Renderer: 'Mesa X11'
MaxTextureSize: 2048
Visual: 'Visual 0x5f, (RGBA 32 b…'
Software: 'true'
HardwareSupportLevel: 'none'
SupportsGraphicsSmoothing: 0
SupportsDepthPeelTransparency: 1
SupportsAlignVertexCenters: 0
Extensions: {114x1 cell}
MaxFrameBufferSize: 4096
Well, that's certainly better! At least it's something...
My question is: why is MATLAB failing to see and use the hardware? Is there anything I can do to get MATLAB to play nice?
One other thing (which may or may not be related) I've encountered recently has to deal with displaying images. I read an image using imread no problem. If I view the image using imshow, it looks perfect. However, if I view the image using image or imagesc, the curves on the image (it's a black and white image of Saturn) become very jagged, and the image loses a notable amount of detail. Is this a result of software OpenGL?

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回答（1 个）

riyas a
riyas a 2017-4-14
Its OPENGL and libstdc++ issue
First, install a few packages
$ sudo apt-get install lib64stdc++6:i386
$ sudo apt-get install mesa-utils
Then update some links:
cd <your_matlab_location>/sys/os/glnxa64/
$ sudo mv libstdc++.so.6 libstdc++.so.6.bak
$ sudo ln -s /usr/lib64/libstdc++.so.6 libstdc++.so.6
then run matlab check whether mesa is updated in matlab terminal
>> opengl info
Version: '3.0 Mesa 17.0.3'
Vendor: 'Intel Open Source Technology Center' ..............
HardwareSupportLevel: 'full'
..........
Now opengl should be working....
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Lasse
Lasse 2023-1-31
thank you sooo much!! I dont know what I did with those lines or why they were necessary but my 3d graphic runs with more than 1fps now

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