/*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package javax.microedition.khronos.opengles;
/**
* The <code>GL10Ext</code> interface contains the Java(TM)
* programming language bindings for the
* <code>OES_query_matrix</code> extension to OpenGL(R) ES 1.0.
*
* <p> The documentation in this class is normative with respect to
* instance variable names and values, method names and signatures,
* and exception behavior. The remaining documentation is placed here
* for convenience and does not replace the normative documentation
* found in the OpenGL ES 1.0 specification and the OpenGL
* specification versions it references.
*/
public interface GL10Ext extends GL {
// OES_query_matrix extension (optional profile extension in 1.0,
// deprecated in 1.1)
// /**
// * Flag indicating the presence of the <code>OES_query_matrix</code>
// * extension.
// */
// int GL_OES_query_matrix = 1;
/**
* (<code>OES_query_matrix</code> extension) Return the values of
* the current matrix.
*
* <p><code>glQueryMatrixxOES</code> returns the values of the
* current matrix. <code>mantissa</code> returns the 16 mantissa
* values of the current matrix, and <code>exponent</code> returns
* the correspnding 16 exponent values. The matrix value <i>i</i>
* is then close to <code>mantissa</code>[<i>i</i>] *
* 2^<code>exponent</code>[<i>i</i>].
*
* <p>Use <code>glMatrixMode</code> and
* <code>glActiveTexture</code> to select the desired matrix to
* return.
*
* <p>If all are valid (not <code>NaN</code> or <code>Inf</code>),
* <code>glQueryMatrixxOES</code> returns the status value
* 0. Otherwise, for every component <i>i</i> which is not valid,
* the <i>i</i>th bit is set.
*
* <h4>Notes</h4>
*
* <p><code>glQueryMatrixxOES</code> is available only if the
* <code>GL_OES_query_matrix</code> extension is supported by your
* implementation.
*
* <p>The implementation is not required to keep track of
* overflows. If overflows are not tracked, the returned status
* value is always 0.
*
* <h4>Associated Gets</h4>
*
* <p><code>glGetString</code> with argument
* <code>GL_EXTENSIONS</code>.
*
* @param mantissa Returns the mantissi of the current matrix.
* @param exponent Returns the exponents of the current matrix.
* @param mantissaOffset the starting offset within the
* <code>mantissa</code> array.
* @param exponentOffset the starting offset within the
* <code>exponent</code> array.
*
* @return a bitfield indicating which components contain invalid
* (<code>NaN</code> or <code>Inf</code>) values.
*
* @exception UnsupportedOperationException if the underlying
* runtime engine does not support the
* <code>OES_query_matrix</code> extension.
* @exception IllegalArgumentException if <code>mantissa</code> is
* <code>null</code>.
* @exception IllegalArgumentException if <code>exponent</code> is
* <code>null</code>.
* @exception IllegalArgumentException if <code>mantissaOffset</code>
* is less than 0.
* @exception IllegalArgumentException if <code>exponentOffset</code>
* is less than 0.
* @exception IllegalArgumentException if <code>mantissa.length -
* mantissaOffset</code> is less than 16.
* @exception IllegalArgumentException if <code>exponent.length -
* exponentOffset</code> is less than 16.
*/
int glQueryMatrixxOES(int[] mantissa, int mantissaOffset,
int[] exponent, int exponentOffset);
}
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