Problem enabling OpenGL ES depth test on iPhone. What steps are necessary?

Posted by Chris Cooper on Stack Overflow See other posts from Stack Overflow or by Chris Cooper
Published on 2010-03-26T09:04:40Z Indexed on 2010/03/26 10:33 UTC
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I remember running into this problem when I started using OpenGL in OS X. Eventually I solved it, but I think that was just by using glut and c++ instead of Objective-C...

The lines of code I have in init for the ES1Renderer are as follows:

glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);

Then in the render method, I have this:

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

I assume I'm missing something specific to either the iPhone or ES. What other steps are required to enable the depth test?

Thanks

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