GL_COLOR_MATERIAL with lighting on Android

Posted by kostmo on Stack Overflow See other posts from Stack Overflow or by kostmo
Published on 2010-04-28T09:02:18Z Indexed on 2010/04/28 9:13 UTC
Read the original article Hit count: 327

Filed under:
|

It appears that glColorMaterial() is absent from OpenGL ES. According to this post (for iPhone), you may still enable GL_COLOR_MATERIAL in OpenGL ES 1.x, but you're stuck with the default settings of GL_FRONT_AND_BACK and GL_AMBIENT_AND_DIFFUSE that you would otherwise set with glColorMaterial(). I would be OK with this, but the diffuse lighting is not working correctly.

I set up my scene and tested it with one light, setting glMaterialfv() for GL_AMBIENT and GL_DIFFUSE once in the initialization. The normals have been set correctly, and lighting works the way it's supposed to. I see the Gourad shading.

With GL_LIGHTING disabled, the flat colors I have set with glColor4f() appear on the various objects in the scene. This also functions as expected. However, when glEnable(GL_COLOR_MATERIAL) is called, the flat colors remain. I would expect to see the lighting effects. What might be missing?

glColorMaterial() is also mentioned on anddev.org, but I'm not sure if the information there is accurate.

I'm testing this on an Android 2.1 handset (Motorola Droid).

Edit: It works properly on my 1.6 handset (ADP1).

© Stack Overflow or respective owner

Related posts about android

Related posts about opengl-es