[Ves] VES on the Desktop

[Aashish Chaudhary]

Kranial,

Just wanted to add that in VES, we disable certain features that are not
supported on ES. If you want to understand how we include different GL
headers, then
have a look at the vesGL.h.

Thanks,



On Wed, Mar 5, 2014 at 10:49 AM, kranial smok <kranial.smok at gmail.com>wrote:

> Thanks Pat. That made all the difference.
>
> I was confused whether the OpenGL or OpenGLES libraries were being used
> because I remember having to install the mesa OpenGLES development package
> to successfully build VES. I'm building on Ubuntu 12.04 x86_64.
>
> Thanks again.
>
>
>
> On Mon, Mar 3, 2014 at 4:39 PM, Pat Marion <james.patrick.marion at gmail.com
> > wrote:
>
>> The example programs are indeed hardware accelerated.  VES links to the
>> system GL library, see OPENGL_gl_LIBRARY in your CMakeCache.txt.  For
>> example, on my machine it's /usr/lib/x86_64-linux-gnu/libGL.so, which means
>> the examples will use your system GL driver (like nvidia for example).
>>
>> Thanks for pointing out the 100% CPU bug.  That's easily fixed- delete
>> line 221 in vesTestHelper.h:
>>
>>   glutIdleFunc(vesTestHelperGlobals::idle);
>>
>> The examples use the GLUT to manage the OpenGL context and receive
>> keyboard/mouse input.  In vesTestHelper.cpp, line 221, a glut idle callback
>> is initialized, even though it's not actually used for anything!
>>
>> Pat
>>
>>
>> On Mon, Mar 3, 2014 at 4:06 PM, kranial smok <kranial.smok at gmail.com>wrote:
>>
>>> Hello All,
>>>
>>> First, thanks for creating and releasing these great libraries.
>>>
>>> Second, I would like to write a simple CAD program for the Linux desktop
>>> and in the future have versions for Android and IOS that share as much code
>>> as possible.
>>>
>>> Is it possible to to compile VES to use hardware-accelerated OpenGL or
>>> OpenGLES on the desktop? I have configured VES like this:
>>>
>>> cmake -DVES_HOST_SUPERBUILD:BOOL=TRUE VES_USE_DESKTOP_GL=ON
>>>
>>> but the examples seem to take ~100% of a CPU when running as opposed to
>>> VTK examples that take very little CPU.
>>>
>>> Any help will be greatly appreciated.
>>>
>>> Thanks
>>>
>>> _______________________________________________
>>> Ves mailing list
>>> Ves at public.kitware.com
>>> http://public.kitware.com/cgi-bin/mailman/listinfo/ves
>>>
>>>
>>
>
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>


-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com
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