Posted by Sven Gothel on Aug 31, 2010; 5:02pm
URL: https://forum.jogamp.org/GLubyte-equivalent-tp1395467p1395651.html

On Tuesday, August 31, 2010 07:34:42 pm rullie [via jogamp] wrote:
>
> Hello,
>   I am procedurally generating a texture and calling glTexImage1D.  The last
> parameter asks for a Buffer, should I be putting in ByteBuffer? If so, is
> the second last parameter GL_UNSIGNED_BYTE? Would Byte.MAX_VALUE be
> equivalent to (GLubyte)255?

You have to use the byte, or NIO's ByteBuffer respectively
and encode the data as it would be unsigned.

http://www.darksleep.com/player/JavaAndUnsignedTypes.html

We use this kind of an approach all over the place ..

Hope it helps, Sven