Hi Carsten,
Carsten Neumann wrote:
> Hello Johannes,
>
> I've attached a LogicOpChunk implementation (I haven't tested it, it
> compiles though), but in case you still want to try it yourself:
Close! I think you also need to enable GL_COLOR_LOGIC_OP for it to be effective.
> Johannes Brunen wrote:
>> - Is there a good example which I can use for guidiance?
>
> I used the LineChunk as an example. I don't think we have step-by-step
> instructions.
Not really, no. I usually use the BlendChunk as a starting point, because it
also has extension handling, but for this one that's not needed.
>> - I do have the impression that there is some code generation
>> machinery at work for building
>> StateChunk classes. Is that correct?
>
> Yes, for 1.8 there is a fcdEdit in OpenSG/Tools/fcdEdit which is
> relatively easy to use. To compile it osg-config should be in your PATH.
> Here is what I entered (on the left side) to get the LogicOpChunk:
...
>
> Save the information to OSGLogicOpChunk.fcd and generate the files with
> the buttons "Write Field Container Base Code" and "Write Field Container
> Code" then edit the files OSGLogicOpChunk.{h,cpp,inl}.
The alternative is to copy-n-paste an existing .fcd and just add/remove the
fields you need. You can then call fcdEdit from the commandline to generate the
Base and FC code.
Hope it helps
Dirk
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