[vtkusers] Moving Renderer to another Window

[Sankhesh Jhaveri]

Yes, all the graphics allocations/deallocations happen during Render. The
render call should ensure that the texture object is bound correctly.
​


On Sun, Nov 25, 2018 at 11:32 AM Matthew Troke <
matthew.troke at avalonholographics.com> wrote:

> No I did not - I'm assuming that's important? I appear to be having
> trouble binding a texture in a render pass if the texture was created with
> another render window as the context.
>
>
> On Sun, Nov 25, 2018, 10:25 AM Sankhesh Jhaveri <
> sankhesh.jhaveri at kitware.com wrote:
>
>> Did you call Render on the new render window after adding the renderer
>> and before invoking the renderer method?
>> ​
>>
>> On Fri, Nov 23, 2018 at 11:35 AM Elvis Stansvik <
>> elvis.stansvik at orexplore.com> wrote:
>>
>>> I think a colleague did something like this for an "export image"
>>> feature at work where we wanted to control the resolution of the exported
>>> inage.
>>>
>>> I can have a look at how he worked around gotchas/crashes, but not until
>>> Monday (on my way home).
>>>
>>> I think the window and renderer have mutual references to each other and
>>> need to be broken apart in the right order... Something like that..
>>>
>>> Elvis
>>>
>>> Den fre 23 nov. 2018 17:00Matthew Troke <
>>> matthew.troke at avalonholographics.com> skrev:
>>>
>>>> Once a vtkRenderer is attached to a vtkRenderWindow, can it be removed
>>>> and added to a another vtkRenderWindow temporarily to perform an operation
>>>> in isolation?
>>>>
>>>> Here is what I tried:
>>>> - removed renderer from its current window with RemoveRenderer()
>>>> - created a new vtkRenderWindow with vtkNew and added renderer with
>>>> AddRenderer()
>>>> - I called a method on the renderer (which is my own derived class of
>>>> vtkOpenGLRenderer); inside this method, I create a new vtkTextureObject
>>>> using the context from the renderwindow and Create2DFromRaw(). This method
>>>> fails with an exception in vtkTextureObject::Bind() (Handle is null)
>>>>
>>>> If I don't remove and add the renderer to another window, I don't get
>>>> the exception.
>>>>
>>>> --
>>>> Matthew Troke
>>>> Software Engineer
>>>> Office: 1-709-701-0239 <(709)%20701-0239>
>>>> Email: matthew.troke at avalonholographics.com
>>>>
>>>> *This email and any attachments are confidential and may be privileged.
>>>> Any unauthorized use, disclosure, copying or distribution of the
>>>> information received is prohibited. If you are not the intended recipient
>>>> please contact the sender immediately by return email confirming that you
>>>> have and will delete all communications related to the email and any
>>>> attachments sent to you in error.*
>>>> _______________________________________________
>>>> Powered by www.kitware.com
>>>>
>>>> Visit other Kitware open-source projects at
>>>> http://www.kitware.com/opensource/opensource.html
>>>>
>>>> Please keep messages on-topic and check the VTK FAQ at:
>>>> http://www.vtk.org/Wiki/VTK_FAQ
>>>>
>>>> Search the list archives at: http://markmail.org/search/?q=vtkusers
>>>>
>>>> Follow this link to subscribe/unsubscribe:
>>>> https://public.kitware.com/mailman/listinfo/vtkusers
>>>>
>>> _______________________________________________
>>> Powered by www.kitware.com
>>>
>>> Visit other Kitware open-source projects at
>>> http://www.kitware.com/opensource/opensource.html
>>>
>>> Please keep messages on-topic and check the VTK FAQ at:
>>> http://www.vtk.org/Wiki/VTK_FAQ
>>>
>>> Search the list archives at: http://markmail.org/search/?q=vtkusers
>>>
>>> Follow this link to subscribe/unsubscribe:
>>> https://public.kitware.com/mailman/listinfo/vtkusers
>>>
>> --
>> Sankhesh Jhaveri *Sr. Research & Development Engineer* | Kitware
>> <http://www.kitware.com/> | (518) 881-4417
>> ​
>>
>
> *This email and any attachments are confidential and may be privileged.
> Any unauthorized use, disclosure, copying or distribution of the
> information received is prohibited. If you are not the intended recipient
> please contact the sender immediately by return email confirming that you
> have and will delete all communications related to the email and any
> attachments sent to you in error.*
>
-- 
Sankhesh Jhaveri *Sr. Research & Development Engineer* | Kitware
<http://www.kitware.com/> | (518) 881-4417
​
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://public.kitware.com/pipermail/vtkusers/attachments/20181126/22a598ed/attachment.html>