Android example source code file (MatrixTrackingGL.java)

This example Android source code file (MatrixTrackingGL.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, buffer, bytebuffer, floatbuffer, gl10ext, gl11ext, gl_projection, gl_texture, illegalargumentexception, intbuffer, io, matrixstack, matrixtrackinggl, nio, string, unknown, unsupportedoperationexception, util, utilities, utils

The MatrixTrackingGL.java Android example source code

/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.graphics.spritetext;

import android.util.Log;

import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import java.nio.ShortBuffer;

import javax.microedition.khronos.opengles.GL;
import javax.microedition.khronos.opengles.GL10;
import javax.microedition.khronos.opengles.GL10Ext;
import javax.microedition.khronos.opengles.GL11;
import javax.microedition.khronos.opengles.GL11Ext;

/**
 * Allows retrieving the current matrix even if the current OpenGL ES
 * driver does not support retrieving the current matrix.
 *
 * Note: the actual matrix may differ from the retrieved matrix, due
 * to differences in the way the math is implemented by GLMatrixWrapper
 * as compared to the way the math is implemented by the OpenGL ES
 * driver.
 */
class MatrixTrackingGL implements GL, GL10, GL10Ext, GL11, GL11Ext {
    private GL10 mgl;
    private GL10Ext mgl10Ext;
    private GL11 mgl11;
    private GL11Ext mgl11Ext;
    private int mMatrixMode;
    private MatrixStack mCurrent;
    private MatrixStack mModelView;
    private MatrixStack mTexture;
    private MatrixStack mProjection;

    private final static boolean _check = false;
    ByteBuffer mByteBuffer;
    FloatBuffer mFloatBuffer;
    float[] mCheckA;
    float[] mCheckB;

    public MatrixTrackingGL(GL gl) {
        mgl = (GL10) gl;
        if (gl instanceof GL10Ext) {
            mgl10Ext = (GL10Ext) gl;
        }
        if (gl instanceof GL11) {
            mgl11 = (GL11) gl;
        }
        if (gl instanceof GL11Ext) {
            mgl11Ext = (GL11Ext) gl;
        }
        mModelView = new MatrixStack();
        mProjection = new MatrixStack();
        mTexture = new MatrixStack();
        mCurrent = mModelView;
        mMatrixMode = GL10.GL_MODELVIEW;
    }

    // ---------------------------------------------------------------------
    // GL10 methods:

    public void glActiveTexture(int texture) {
        mgl.glActiveTexture(texture);
    }

    public void glAlphaFunc(int func, float ref) {
        mgl.glAlphaFunc(func, ref);
    }

    public void glAlphaFuncx(int func, int ref) {
        mgl.glAlphaFuncx(func, ref);
    }

    public void glBindTexture(int target, int texture) {
        mgl.glBindTexture(target, texture);
    }

    public void glBlendFunc(int sfactor, int dfactor) {
        mgl.glBlendFunc(sfactor, dfactor);
    }

    public void glClear(int mask) {
        mgl.glClear(mask);
    }

    public void glClearColor(float red, float green, float blue, float alpha) {
        mgl.glClearColor(red, green, blue, alpha);
    }

    public void glClearColorx(int red, int green, int blue, int alpha) {
        mgl.glClearColorx(red, green, blue, alpha);
    }

    public void glClearDepthf(float depth) {
        mgl.glClearDepthf(depth);
    }

    public void glClearDepthx(int depth) {
        mgl.glClearDepthx(depth);
    }

    public void glClearStencil(int s) {
        mgl.glClearStencil(s);
    }

    public void glClientActiveTexture(int texture) {
        mgl.glClientActiveTexture(texture);
    }

    public void glColor4f(float red, float green, float blue, float alpha) {
        mgl.glColor4f(red, green, blue, alpha);
    }

    public void glColor4x(int red, int green, int blue, int alpha) {
        mgl.glColor4x(red, green, blue, alpha);
    }

    public void glColorMask(boolean red, boolean green, boolean blue,
            boolean alpha) {
        mgl.glColorMask(red, green, blue, alpha);
    }

    public void glColorPointer(int size, int type, int stride, Buffer pointer) {
        mgl.glColorPointer(size, type, stride, pointer);
    }

    public void glCompressedTexImage2D(int target, int level,
            int internalformat, int width, int height, int border,
            int imageSize, Buffer data) {
        mgl.glCompressedTexImage2D(target, level, internalformat, width,
                height, border, imageSize, data);
    }

    public void glCompressedTexSubImage2D(int target, int level, int xoffset,
            int yoffset, int width, int height, int format, int imageSize,
            Buffer data) {
        mgl.glCompressedTexSubImage2D(target, level, xoffset, yoffset, width,
                height, format, imageSize, data);
    }

    public void glCopyTexImage2D(int target, int level, int internalformat,
            int x, int y, int width, int height, int border) {
        mgl.glCopyTexImage2D(target, level, internalformat, x, y, width,
                height, border);
    }

    public void glCopyTexSubImage2D(int target, int level, int xoffset,
            int yoffset, int x, int y, int width, int height) {
        mgl.glCopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width,
                height);
    }

    public void glCullFace(int mode) {
        mgl.glCullFace(mode);
    }

    public void glDeleteTextures(int n, int[] textures, int offset) {
        mgl.glDeleteTextures(n, textures, offset);
    }

    public void glDeleteTextures(int n, IntBuffer textures) {
        mgl.glDeleteTextures(n, textures);
    }

    public void glDepthFunc(int func) {
        mgl.glDepthFunc(func);
    }

    public void glDepthMask(boolean flag) {
        mgl.glDepthMask(flag);
    }

    public void glDepthRangef(float near, float far) {
        mgl.glDepthRangef(near, far);
    }

    public void glDepthRangex(int near, int far) {
        mgl.glDepthRangex(near, far);
    }

    public void glDisable(int cap) {
        mgl.glDisable(cap);
    }

    public void glDisableClientState(int array) {
        mgl.glDisableClientState(array);
    }

    public void glDrawArrays(int mode, int first, int count) {
        mgl.glDrawArrays(mode, first, count);
    }

    public void glDrawElements(int mode, int count, int type, Buffer indices) {
        mgl.glDrawElements(mode, count, type, indices);
    }

    public void glEnable(int cap) {
        mgl.glEnable(cap);
    }

    public void glEnableClientState(int array) {
        mgl.glEnableClientState(array);
    }

    public void glFinish() {
        mgl.glFinish();
    }

    public void glFlush() {
        mgl.glFlush();
    }

    public void glFogf(int pname, float param) {
        mgl.glFogf(pname, param);
    }

    public void glFogfv(int pname, float[] params, int offset) {
        mgl.glFogfv(pname, params, offset);
    }

    public void glFogfv(int pname, FloatBuffer params) {
        mgl.glFogfv(pname, params);
    }

    public void glFogx(int pname, int param) {
        mgl.glFogx(pname, param);
    }

    public void glFogxv(int pname, int[] params, int offset) {
        mgl.glFogxv(pname, params, offset);
    }

    public void glFogxv(int pname, IntBuffer params) {
        mgl.glFogxv(pname, params);
    }

    public void glFrontFace(int mode) {
        mgl.glFrontFace(mode);
    }

    public void glFrustumf(float left, float right, float bottom, float top,
            float near, float far) {
        mCurrent.glFrustumf(left, right, bottom, top, near, far);
        mgl.glFrustumf(left, right, bottom, top, near, far);
        if ( _check) check();
    }

    public void glFrustumx(int left, int right, int bottom, int top, int near,
            int far) {
        mCurrent.glFrustumx(left, right, bottom, top, near, far);
        mgl.glFrustumx(left, right, bottom, top, near, far);
        if ( _check) check();
    }

    public void glGenTextures(int n, int[] textures, int offset) {
        mgl.glGenTextures(n, textures, offset);
    }

    public void glGenTextures(int n, IntBuffer textures) {
        mgl.glGenTextures(n, textures);
    }

    public int glGetError() {
        int result = mgl.glGetError();
        return result;
    }

    public void glGetIntegerv(int pname, int[] params, int offset) {
        mgl.glGetIntegerv(pname, params, offset);
    }

    public void glGetIntegerv(int pname, IntBuffer params) {
        mgl.glGetIntegerv(pname, params);
    }

    public String glGetString(int name) {
        String result = mgl.glGetString(name);
        return result;
    }

    public void glHint(int target, int mode) {
        mgl.glHint(target, mode);
    }

    public void glLightModelf(int pname, float param) {
        mgl.glLightModelf(pname, param);
    }

    public void glLightModelfv(int pname, float[] params, int offset) {
        mgl.glLightModelfv(pname, params, offset);
    }

    public void glLightModelfv(int pname, FloatBuffer params) {
        mgl.glLightModelfv(pname, params);
    }

    public void glLightModelx(int pname, int param) {
        mgl.glLightModelx(pname, param);
    }

    public void glLightModelxv(int pname, int[] params, int offset) {
        mgl.glLightModelxv(pname, params, offset);
    }

    public void glLightModelxv(int pname, IntBuffer params) {
        mgl.glLightModelxv(pname, params);
    }

    public void glLightf(int light, int pname, float param) {
        mgl.glLightf(light, pname, param);
    }

    public void glLightfv(int light, int pname, float[] params, int offset) {
        mgl.glLightfv(light, pname, params, offset);
    }

    public void glLightfv(int light, int pname, FloatBuffer params) {
        mgl.glLightfv(light, pname, params);
    }

    public void glLightx(int light, int pname, int param) {
        mgl.glLightx(light, pname, param);
    }

    public void glLightxv(int light, int pname, int[] params, int offset) {
        mgl.glLightxv(light, pname, params, offset);
    }

    public void glLightxv(int light, int pname, IntBuffer params) {
        mgl.glLightxv(light, pname, params);
    }

    public void glLineWidth(float width) {
        mgl.glLineWidth(width);
    }

    public void glLineWidthx(int width) {
        mgl.glLineWidthx(width);
    }

    public void glLoadIdentity() {
        mCurrent.glLoadIdentity();
        mgl.glLoadIdentity();
        if ( _check) check();
    }

    public void glLoadMatrixf(float[] m, int offset) {
        mCurrent.glLoadMatrixf(m, offset);
        mgl.glLoadMatrixf(m, offset);
        if ( _check) check();
    }

    public void glLoadMatrixf(FloatBuffer m) {
        int position = m.position();
        mCurrent.glLoadMatrixf(m);
        m.position(position);
        mgl.glLoadMatrixf(m);
        if ( _check) check();
    }

    public void glLoadMatrixx(int[] m, int offset) {
        mCurrent.glLoadMatrixx(m, offset);
        mgl.glLoadMatrixx(m, offset);
        if ( _check) check();
    }

    public void glLoadMatrixx(IntBuffer m) {
        int position = m.position();
        mCurrent.glLoadMatrixx(m);
        m.position(position);
        mgl.glLoadMatrixx(m);
        if ( _check) check();
    }

    public void glLogicOp(int opcode) {
        mgl.glLogicOp(opcode);
    }

    public void glMaterialf(int face, int pname, float param) {
        mgl.glMaterialf(face, pname, param);
    }

    public void glMaterialfv(int face, int pname, float[] params, int offset) {
        mgl.glMaterialfv(face, pname, params, offset);
    }

    public void glMaterialfv(int face, int pname, FloatBuffer params) {
        mgl.glMaterialfv(face, pname, params);
    }

    public void glMaterialx(int face, int pname, int param) {
        mgl.glMaterialx(face, pname, param);
    }

    public void glMaterialxv(int face, int pname, int[] params, int offset) {
        mgl.glMaterialxv(face, pname, params, offset);
    }

    public void glMaterialxv(int face, int pname, IntBuffer params) {
        mgl.glMaterialxv(face, pname, params);
    }

    public void glMatrixMode(int mode) {
        switch (mode) {
        case GL10.GL_MODELVIEW:
            mCurrent = mModelView;
            break;
        case GL10.GL_TEXTURE:
            mCurrent = mTexture;
            break;
        case GL10.GL_PROJECTION:
            mCurrent = mProjection;
            break;
        default:
            throw new IllegalArgumentException("Unknown matrix mode: " + mode);
        }
        mgl.glMatrixMode(mode);
        mMatrixMode = mode;
        if ( _check) check();
    }

    public void glMultMatrixf(float[] m, int offset) {
        mCurrent.glMultMatrixf(m, offset);
        mgl.glMultMatrixf(m, offset);
        if ( _check) check();
    }

    public void glMultMatrixf(FloatBuffer m) {
        int position = m.position();
        mCurrent.glMultMatrixf(m);
        m.position(position);
        mgl.glMultMatrixf(m);
        if ( _check) check();
    }

    public void glMultMatrixx(int[] m, int offset) {
        mCurrent.glMultMatrixx(m, offset);
        mgl.glMultMatrixx(m, offset);
        if ( _check) check();
    }

    public void glMultMatrixx(IntBuffer m) {
        int position = m.position();
        mCurrent.glMultMatrixx(m);
        m.position(position);
        mgl.glMultMatrixx(m);
        if ( _check) check();
    }

    public void glMultiTexCoord4f(int target,
            float s, float t, float r, float q) {
        mgl.glMultiTexCoord4f(target, s, t, r, q);
    }

    public void glMultiTexCoord4x(int target, int s, int t, int r, int q) {
        mgl.glMultiTexCoord4x(target, s, t, r, q);
    }

    public void glNormal3f(float nx, float ny, float nz) {
        mgl.glNormal3f(nx, ny, nz);
    }

    public void glNormal3x(int nx, int ny, int nz) {
        mgl.glNormal3x(nx, ny, nz);
    }

    public void glNormalPointer(int type, int stride, Buffer pointer) {
        mgl.glNormalPointer(type, stride, pointer);
    }

    public void glOrthof(float left, float right, float bottom, float top,
            float near, float far) {
        mCurrent.glOrthof(left, right, bottom, top, near, far);
        mgl.glOrthof(left, right, bottom, top, near, far);
        if ( _check) check();
    }

    public void glOrthox(int left, int right, int bottom, int top, int near,
            int far) {
        mCurrent.glOrthox(left, right, bottom, top, near, far);
        mgl.glOrthox(left, right, bottom, top, near, far);
        if ( _check) check();
    }

    public void glPixelStorei(int pname, int param) {
        mgl.glPixelStorei(pname, param);
    }

    public void glPointSize(float size) {
        mgl.glPointSize(size);
    }

    public void glPointSizex(int size) {
        mgl.glPointSizex(size);
    }

    public void glPolygonOffset(float factor, float units) {
        mgl.glPolygonOffset(factor, units);
    }

    public void glPolygonOffsetx(int factor, int units) {
        mgl.glPolygonOffsetx(factor, units);
    }

    public void glPopMatrix() {
        mCurrent.glPopMatrix();
        mgl.glPopMatrix();
        if ( _check) check();
    }

    public void glPushMatrix() {
        mCurrent.glPushMatrix();
        mgl.glPushMatrix();
        if ( _check) check();
    }

    public void glReadPixels(int x, int y, int width, int height, int format,
            int type, Buffer pixels) {
        mgl.glReadPixels(x, y, width, height, format, type, pixels);
    }

    public void glRotatef(float angle, float x, float y, float z) {
        mCurrent.glRotatef(angle, x, y, z);
        mgl.glRotatef(angle, x, y, z);
        if ( _check) check();
    }

    public void glRotatex(int angle, int x, int y, int z) {
        mCurrent.glRotatex(angle, x, y, z);
        mgl.glRotatex(angle, x, y, z);
        if ( _check) check();
    }

    public void glSampleCoverage(float value, boolean invert) {
        mgl.glSampleCoverage(value, invert);
    }

    public void glSampleCoveragex(int value, boolean invert) {
        mgl.glSampleCoveragex(value, invert);
    }

    public void glScalef(float x, float y, float z) {
        mCurrent.glScalef(x, y, z);
        mgl.glScalef(x, y, z);
        if ( _check) check();
    }

    public void glScalex(int x, int y, int z) {
        mCurrent.glScalex(x, y, z);
        mgl.glScalex(x, y, z);
        if ( _check) check();
    }

    public void glScissor(int x, int y, int width, int height) {
        mgl.glScissor(x, y, width, height);
    }

    public void glShadeModel(int mode) {
        mgl.glShadeModel(mode);
    }

    public void glStencilFunc(int func, int ref, int mask) {
        mgl.glStencilFunc(func, ref, mask);
    }

    public void glStencilMask(int mask) {
        mgl.glStencilMask(mask);
    }

    public void glStencilOp(int fail, int zfail, int zpass) {
        mgl.glStencilOp(fail, zfail, zpass);
    }

    public void glTexCoordPointer(int size, int type,
            int stride, Buffer pointer) {
        mgl.glTexCoordPointer(size, type, stride, pointer);
    }

    public void glTexEnvf(int target, int pname, float param) {
        mgl.glTexEnvf(target, pname, param);
    }

    public void glTexEnvfv(int target, int pname, float[] params, int offset) {
        mgl.glTexEnvfv(target, pname, params, offset);
    }

    public void glTexEnvfv(int target, int pname, FloatBuffer params) {
        mgl.glTexEnvfv(target, pname, params);
    }

    public void glTexEnvx(int target, int pname, int param) {
        mgl.glTexEnvx(target, pname, param);
    }

    public void glTexEnvxv(int target, int pname, int[] params, int offset) {
        mgl.glTexEnvxv(target, pname, params, offset);
    }

    public void glTexEnvxv(int target, int pname, IntBuffer params) {
        mgl.glTexEnvxv(target, pname, params);
    }

    public void glTexImage2D(int target, int level, int internalformat,
            int width, int height, int border, int format, int type,
            Buffer pixels) {
        mgl.glTexImage2D(target, level, internalformat, width, height, border,
                format, type, pixels);
    }

    public void glTexParameterf(int target, int pname, float param) {
        mgl.glTexParameterf(target, pname, param);
    }

    public void glTexParameterx(int target, int pname, int param) {
        mgl.glTexParameterx(target, pname, param);
    }

    public void glTexParameteriv(int target, int pname, int[] params, int offset) {
        mgl11.glTexParameteriv(target, pname, params, offset);
    }

    public void glTexParameteriv(int target, int pname, IntBuffer params) {
        mgl11.glTexParameteriv(target, pname, params);
    }

    public void glTexSubImage2D(int target, int level, int xoffset,
            int yoffset, int width, int height, int format, int type,
            Buffer pixels) {
        mgl.glTexSubImage2D(target, level, xoffset, yoffset, width, height,
                format, type, pixels);
    }

    public void glTranslatef(float x, float y, float z) {
        mCurrent.glTranslatef(x, y, z);
        mgl.glTranslatef(x, y, z);
        if ( _check) check();
    }

    public void glTranslatex(int x, int y, int z) {
        mCurrent.glTranslatex(x, y, z);
        mgl.glTranslatex(x, y, z);
        if ( _check) check();
    }

    public void glVertexPointer(int size, int type,
            int stride, Buffer pointer) {
        mgl.glVertexPointer(size, type, stride, pointer);
    }

    public void glViewport(int x, int y, int width, int height) {
        mgl.glViewport(x, y, width, height);
    }

    public void glClipPlanef(int plane, float[] equation, int offset) {
        mgl11.glClipPlanef(plane, equation, offset);
    }

    public void glClipPlanef(int plane, FloatBuffer equation) {
        mgl11.glClipPlanef(plane, equation);
    }

    public void glClipPlanex(int plane, int[] equation, int offset) {
        mgl11.glClipPlanex(plane, equation, offset);
    }

    public void glClipPlanex(int plane, IntBuffer equation) {
        mgl11.glClipPlanex(plane, equation);
    }

    // Draw Texture Extension

    public void glDrawTexfOES(float x, float y, float z,
        float width, float height) {
        mgl11Ext.glDrawTexfOES(x, y, z, width, height);
    }

    public void glDrawTexfvOES(float[] coords, int offset) {
        mgl11Ext.glDrawTexfvOES(coords, offset);
    }

    public void glDrawTexfvOES(FloatBuffer coords) {
        mgl11Ext.glDrawTexfvOES(coords);
    }

    public void glDrawTexiOES(int x, int y, int z, int width, int height) {
        mgl11Ext.glDrawTexiOES(x, y, z, width, height);
    }

    public void glDrawTexivOES(int[] coords, int offset) {
        mgl11Ext.glDrawTexivOES(coords, offset);
    }

    public void glDrawTexivOES(IntBuffer coords) {
        mgl11Ext.glDrawTexivOES(coords);
    }

    public void glDrawTexsOES(short x, short y, short z,
        short width, short height) {
        mgl11Ext.glDrawTexsOES(x, y, z, width, height);
    }

    public void glDrawTexsvOES(short[] coords, int offset) {
        mgl11Ext.glDrawTexsvOES(coords, offset);
    }

    public void glDrawTexsvOES(ShortBuffer coords) {
        mgl11Ext.glDrawTexsvOES(coords);
    }

    public void glDrawTexxOES(int x, int y, int z, int width, int height) {
        mgl11Ext.glDrawTexxOES(x, y, z, width, height);
    }

    public void glDrawTexxvOES(int[] coords, int offset) {
        mgl11Ext.glDrawTexxvOES(coords, offset);
    }

    public void glDrawTexxvOES(IntBuffer coords) {
        mgl11Ext.glDrawTexxvOES(coords);
    }

    public int glQueryMatrixxOES(int[] mantissa, int mantissaOffset,
        int[] exponent, int exponentOffset) {
        return mgl10Ext.glQueryMatrixxOES(mantissa, mantissaOffset,
            exponent, exponentOffset);
    }

    public int glQueryMatrixxOES(IntBuffer mantissa, IntBuffer exponent) {
        return mgl10Ext.glQueryMatrixxOES(mantissa, exponent);
    }

    // Unsupported GL11 methods

    public void glBindBuffer(int target, int buffer) {
        throw new UnsupportedOperationException();
    }

    public void glBufferData(int target, int size, Buffer data, int usage) {
        throw new UnsupportedOperationException();
    }

    public void glBufferSubData(int target, int offset, int size, Buffer data) {
        throw new UnsupportedOperationException();
    }

    public void glColor4ub(byte red, byte green, byte blue, byte alpha) {
        throw new UnsupportedOperationException();
    }

    public void glDeleteBuffers(int n, int[] buffers, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glDeleteBuffers(int n, IntBuffer buffers) {
        throw new UnsupportedOperationException();
    }

    public void glGenBuffers(int n, int[] buffers, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGenBuffers(int n, IntBuffer buffers) {
        throw new UnsupportedOperationException();
    }

    public void glGetBooleanv(int pname, boolean[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetBooleanv(int pname, IntBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glGetBufferParameteriv(int target, int pname, int[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetBufferParameteriv(int target, int pname, IntBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glGetClipPlanef(int pname, float[] eqn, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetClipPlanef(int pname, FloatBuffer eqn) {
        throw new UnsupportedOperationException();
    }

    public void glGetClipPlanex(int pname, int[] eqn, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetClipPlanex(int pname, IntBuffer eqn) {
        throw new UnsupportedOperationException();
    }

    public void glGetFixedv(int pname, int[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetFixedv(int pname, IntBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glGetFloatv(int pname, float[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetFloatv(int pname, FloatBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glGetLightfv(int light, int pname, float[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetLightfv(int light, int pname, FloatBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glGetLightxv(int light, int pname, int[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetLightxv(int light, int pname, IntBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glGetMaterialfv(int face, int pname, float[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetMaterialfv(int face, int pname, FloatBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glGetMaterialxv(int face, int pname, int[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetMaterialxv(int face, int pname, IntBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glGetTexEnviv(int env, int pname, int[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetTexEnviv(int env, int pname, IntBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glGetTexEnvxv(int env, int pname, int[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetTexEnvxv(int env, int pname, IntBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glGetTexParameterfv(int target, int pname, float[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetTexParameterfv(int target, int pname, FloatBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glGetTexParameteriv(int target, int pname, int[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetTexParameteriv(int target, int pname, IntBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glGetTexParameterxv(int target, int pname, int[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetTexParameterxv(int target, int pname, IntBuffer params) {
        throw new UnsupportedOperationException();
    }

    public boolean glIsBuffer(int buffer) {
        throw new UnsupportedOperationException();
    }

    public boolean glIsEnabled(int cap) {
        throw new UnsupportedOperationException();
    }

    public boolean glIsTexture(int texture) {
        throw new UnsupportedOperationException();
    }

    public void glPointParameterf(int pname, float param) {
        throw new UnsupportedOperationException();
    }

    public void glPointParameterfv(int pname, float[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glPointParameterfv(int pname, FloatBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glPointParameterx(int pname, int param) {
        throw new UnsupportedOperationException();
    }

    public void glPointParameterxv(int pname, int[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glPointParameterxv(int pname, IntBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glPointSizePointerOES(int type, int stride, Buffer pointer) {
        throw new UnsupportedOperationException();
    }

    public void glTexEnvi(int target, int pname, int param) {
        throw new UnsupportedOperationException();
    }

    public void glTexEnviv(int target, int pname, int[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glTexEnviv(int target, int pname, IntBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glTexParameterfv(int target, int pname, float[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glTexParameterfv(int target, int pname, FloatBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glTexParameteri(int target, int pname, int param) {
        throw new UnsupportedOperationException();
    }

    public void glTexParameterxv(int target, int pname, int[] params, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glTexParameterxv(int target, int pname, IntBuffer params) {
        throw new UnsupportedOperationException();
    }

    public void glColorPointer(int size, int type, int stride, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glDrawElements(int mode, int count, int type, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glGetPointerv(int pname, Buffer[] params) {
        throw new UnsupportedOperationException();
    }

    public void glNormalPointer(int type, int stride, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glTexCoordPointer(int size, int type, int stride, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glVertexPointer(int size, int type, int stride, int offset) {
        throw new UnsupportedOperationException();
    }

    public void glCurrentPaletteMatrixOES(int matrixpaletteindex) {
        throw new UnsupportedOperationException();
    }

    public void glLoadPaletteFromModelViewMatrixOES() {
        throw new UnsupportedOperationException();
    }

    public void glMatrixIndexPointerOES(int size, int type, int stride,
            Buffer pointer) {
        throw new UnsupportedOperationException();
    }

    public void glMatrixIndexPointerOES(int size, int type, int stride,
            int offset) {
        throw new UnsupportedOperationException();
    }

    public void glWeightPointerOES(int size, int type, int stride,
            Buffer pointer) {
        throw new UnsupportedOperationException();
    }

    public void glWeightPointerOES(int size, int type, int stride, int offset) {
        throw new UnsupportedOperationException();
    }

    /**
     * Get the current matrix
     */

    public void getMatrix(float[] m, int offset) {
        mCurrent.getMatrix(m, offset);
    }

    /**
     * Get the current matrix mode
     */

    public int getMatrixMode() {
        return mMatrixMode;
    }

    private void check() {
        int oesMode;
        switch (mMatrixMode) {
        case GL_MODELVIEW:
            oesMode = GL11.GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES;
            break;
        case GL_PROJECTION:
            oesMode = GL11.GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES;
            break;
        case GL_TEXTURE:
            oesMode = GL11.GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES;
            break;
        default:
            throw new IllegalArgumentException("Unknown matrix mode");
        }

        if ( mByteBuffer == null) {
            mCheckA = new float[16];
            mCheckB = new float[16];
            mByteBuffer = ByteBuffer.allocateDirect(64);
            mByteBuffer.order(ByteOrder.nativeOrder());
            mFloatBuffer = mByteBuffer.asFloatBuffer();
        }
        mgl.glGetIntegerv(oesMode, mByteBuffer.asIntBuffer());
        for(int i = 0; i < 16; i++) {
            mCheckB[i] = mFloatBuffer.get(i);
        }
        mCurrent.getMatrix(mCheckA, 0);

        boolean fail = false;
        for(int i = 0; i < 16; i++) {
            if (mCheckA[i] != mCheckB[i]) {
                Log.d("GLMatWrap", "i:" + i + " a:" + mCheckA[i]
                + " a:" + mCheckB[i]);
                fail = true;
            }
        }
        if (fail) {
            throw new IllegalArgumentException("Matrix math difference.");
        }
    }

}