[vtkusers] get max texture memory size

[Aashish Chaudhary]

Hi Andreas,

You could probably  use gDEbugger
(http://www.gremedy.com/news.php#freelicense is now free for a year).

Thanks,



On Mon, Sep 12, 2011 at 9:31 AM, Julien Finet <julien.finet at kitware.com> wrote:
> Hi Andreas,
> For the total GPU memory, you can look
> at http://vtk.org/doc/nightly/html/classvtkGPUInfo.html
>
> Regards,
> Julien.
> On Mon, Sep 12, 2011 at 8:19 AM, Andreas Bruening <devmail.andi at yahoo.de>
> wrote:
>>
>> Hi all,
>>
>> how can i get the maximum available texture memory? I am working on a
>> volumerendering tool using vtkOpenGLGPUVolumeRayCastMapper. I have to deal
>> with large volume data and want to figure out if the data fits in the
>> texture memory in one block. My idea is to call
>>
>> glTexImage3D(GL_TEXTURE_3D,0,static_cast<GLint>(nInternalFormat),
>> nExtent[1] +1,nExtent[3] +1, nExtent[5] +1,0, nFormat, nType,0);
>>
>> at the beginning and see if i can reserve a block of a desired size. But
>> if this function succeeded the mapper cant allocate such a big block
>> anymore(without calling the function it works). I guess the glTexImage
>> function reserves the block and i have to release it. But i dont know how
>> and i need help!
>>
>> And is there a tool to tray the grafic cards memory? I would like to see
>> how much texture and video memory is in use and free in total.
>>
>> Thanks in advance
>> Andi
>>
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>
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-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com