[android-developers] Re: OpenGL on multiple threads with sharegroups

On Nov 26, 11:08 am, Adam Hammer <adamhamm...@gmail.com> wrote:
> I do bitmap loading in another thread, but I do glBindTexture in the
> main graphics thread. Works well for me, I load bitmaps stored in zips
> delivered by contentproviders into textures.

Yes; thanks; I'm actually doing something like that at the moment, and
it's not ideal. (I think you mean calling glTexImage2D(), not just
glBindTexture(), don't you?)

> I think opengl es does have mechanisms for sharing textures across GL
> contexts

Yes. I've investigated some more and eglCreateContext() takes an
EGLContext to share from: "If share_context is not EGL_NO_CONTEXT,
then all shareable data ... will be shared by share_context ... and
the newly created context" (from the EGL spec, section 3.7.1.)

So the question is, can I call eglCreateContext() from my C++ code,
and/or is there a way to access this functionality from Java? Looking
through the Java docs I have found the EGLContext and
EGLContextFactory reference pages, but they are almost totally content-
free. Does Android really implement EGL?

--
You received this message because you are subscribed to the Google
Groups "Android Developers" group.
To post to this group, send email to android-developers@googlegroups.com
To unsubscribe from this group, send email to
android-developers+unsubscribe@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/android-developers?hl=en