Re: [sdljava-users] Anyone using get/setPixelDataXX()?

[Ivan Z. G. <iva...@ya...>]

Sounds like I made a mistake in the C code.  There should be a jvm crash
file that has the VM state in it, if you've got that, post it...

-Ivan/

S. Meslin-Weber wrote:

>Hi Ivan,
>
>Thought so - for some reason the native dir hadn't been updated on my
>tree so I thought you'd forgotten to push your changes... woops! :)
>
>I recompiled the dll (and the java code of course) and now I get an SDL
>window for a fraction of a second before the JVM crashes; and without
>any error messages or log files.
>
>I'm a bit stumped as JNI is definately beyond my skills - is there
>anything I can do on my end to speed up the debugging?
>
>Thanks,
>
>Steph
>
>On Wed, Jul 20, 2005 at 05:52:07PM -0400, Ivan Z. Ganza wrote:
>  
>
>>Hi Steph,
>>
>>Yes you need to rebuild the sdljava.dll because the native layer code
>>changed.  As well as recompilation of SDLSurface.java source file.
>>
>>The files that changed were:
>>
>>-- native layer
>>    SDLVideo.i
>>    SDLVideo_wrap.c
>>
>>- java layer
>>    SDLSurface.java
>>
>>So I regenerated the wrapper file but new shared libraries/dlls need to
>>be generated.
>>
>>-Ivan/
>>
>>S. Meslin-Weber wrote:
>>
>>    
>>
>>>Hi Ivan,
>>>
>>>Thanks for looking into this :)
>>>
>>>I've checked out head from cvs but with my existing .dll the jvm dies;
>>>have I missed a step? Wouldn't this kind of change mean regenerating
>>>some of the SWIG java and native files?
>>>
>>>Cheers,
>>>
>>>Steph
>>>
>>>
>>>On Tue, Jul 19, 2005 at 06:36:59PM -0400, Ivan Z. Ganza wrote:
>>> 
>>>
>>>      
>>>
>>>>Greetings,
>>>>
>>>>I've changed the get/setPixelData32 methods to use int[] instead of
>>>>long[].  Please let me know if this is working properly.  I didn't have
>>>>a chance to test it...
>>>>
>>>>If we find this to be good I'll adjust the other two methods in the same
>>>>way.  Also I saw one thing that could be optimized which I will also do.
>>>>
>>>>So we should end up with:
>>>>
>>>>   get/setPixelData8   --> byte[]
>>>>   get/setPixelData16 --> short[]
>>>>   get/setPixelData32 --> int[]
>>>>
>>>>Nothing else anywhere will be affected by this.
>>>>
>>>>Let me know any comments...
>>>>
>>>>-Ivan/
>>>>
>>>>S. Meslin-Weber wrote:
>>>>
>>>>   
>>>>
>>>>        
>>>>
>>>>>Hi everyone,
>>>>>
>>>>>I'm cleaning up some code in Odonata and in the sdljava provider I've
>>>>>found that I use get/setPixelData32(long[]). Would it be possible to
>>>>>rationalise the types used for these methods? Does anyone still use
>>>>>them?
>>>>>
>>>>>long[]  64 bit colour data
>>>>>int[]   32 ...
>>>>>short[] 16 ...
>>>>>byte[]   8 ...
>>>>>
>>>>>Essentially it'd mean changing the signatures for the get/set methods to
>>>>>match the bit sizes they're operating with.
>>>>>
>>>>>I've seen the gradual move to using ByteBuffer and Buffers in general...
>>>>>Odonata intends to work with JVM versions 1.1+ so those classes wouldn't
>>>>>necessarily be available on those targets :)
>>>>>
>>>>>Cheers,
>>>>>
>>>>>Steph
>>>>>
>>>>>
>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
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>>>
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