Lawson English wrote:
> Andreas Raab wrote:
>> Lawson English wrote:
>>> I'm still having problems with my external shared memory thingie. I 
>>> can evoke the unix shm* calls and obtain a reference to a shared 
>>> memory buffer and attach it to squeak's heap. I can write into it and 
>>> read back. I can even attach the same shared memory to two different 
>>> instances of squeak and write to the buffer in one and read it with 
>>> the other. What I still cannot figure out is how to take that 
>>> external buffer and direct the OpenGL>>glReadPixels call to it so 
>>> that I can draw using squeak and have it become a bitmap for a 
>>> different application.
>>
>> Post your code. Using glReadPixels is straightforward, so there must 
>> be something simple in your code that goes wrong. Simply speaking the 
>> following should work fine:
>>
>> "Allocate or obtain shared memory buffer"
>> xHandle := ExternalHandle allocate: rect width * rect height * 4.
>>
> 
> Confused. ExternalHandle is...?

Sorry, typo. Must say ExternalAddress.

Cheers,
   - Andreas