I have stumbled onto the problem of the function glQueryMatrixxOES
being absent from GL10Ext when the Qualcomm hardware opengl es driver
is loaded. It is absent from the list of extensions when I query the
driver.
When Android gives me a software renderer, the extension is available
and everything is as described in the documentation.
This is a pretty serious omission.
Is there a prescribed workaround?
Thanks,
Chris
Here's the code I am using:
<code>
ByteBuffer bb1 = ByteBuffer.allocateDirect(16*4);
bb1.order(ByteOrder.nativeOrder());
mantissa = bb1.asIntBuffer();
mantissa.rewind();
ByteBuffer bb2 = ByteBuffer.allocateDirect(16*4);
bb2.order(ByteOrder.nativeOrder());
exponent = bb2.asIntBuffer();
exponent.rewind();
GL10Ext glx;
if (gl instanceof GL10Ext)
{
glx = (GL10Ext)gl;
glx.glQueryMatrixxOES(mantissa, exponent);
mantissa.rewind();
exponent.rewind();
for( n=0; n<16; n++ ) {
double p = Math.pow( 2.f, exponent.get(n));
int p2 = (int)(mantissa.get(n) * p);
tx.matrix.put( n, p2);
}
tx.matrix.rewind();
} else {
Log.e("Node", "We are not getting GL10Ext"); // We never get here.
}
</code>
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