On Adreno 320, Nexus 4, Android 4.3, these GL ES 3 caps have invalid values.
GL_MAX_ELEMENTS_VERTICES returns -1
GL_MAX_ELEMENTS_INDICES returns -1
GL_MAX_ELEMENT_INDEX returns -1
The specs says that at least GL_MAX_ELEMENT_INDEX should be 2^24 -1.
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Can you try using glGetInteger64?
GLint64 vert;
glGetInteger64v(GL_MAX_ELEMENTS_VERTICES, &vert);
GLint64 indices;
glGetInteger64v(GL_MAX_ELEMENTS_INDICES, &indices);
GLint64 elementIndex;
glGetInteger64v(GL_MAX_ELEMENT_INDEX, &elementIndex);
Just did.
GL_MAX_ELEMENT_INDEX returns 4294967295
GL_MAX_ELEMENTS_VERTICES returns -1
GL_MAX_ELEMENTS_INDICES returns -1
As a note I used :
GLint64 val[4] = { 0 };
glGetInteger64v( Type, &val[0] );
sprintf( Text64, "%lld", val[0] );
To print the values since I have no debugging support in the NDK. I'm saying this because on Windows only %I64d works.
I'm seeing the same results on a Nexus 4 (Jun 17, 2013 build, Android 4.3). We'll investigate and verify that will be corrected in the next update.
There was a change made to our drivers in June that corrected the returned results for several of these constants. We should hopefully expect to see them picked up in the next OS update.