Edit C:\Program Files\Java\jdk1.8.0_121\com\sun\prism\es2\GLPixelFormat.java

/*
 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
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 *
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 */

package com.sun.prism.es2;

import java.security.AccessController;
import java.security.PrivilegedAction;

import com.sun.glass.utils.NativeLibLoader;
import com.sun.javafx.PlatformUtil;
import com.sun.prism.impl.PrismSettings;

class GLPixelFormat {
    final private Attributes attributes;
    final private long nativeScreen;
    private long nativePFInfo;
    private static int defaultDepthSize;
    private static int defaultBufferSize;

static {
        AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
           defaultDepthSize = Integer.getInteger("prism.glDepthSize", 24);
           defaultBufferSize = Integer.getInteger("prism.glBufferSize", 32);
            return null;
        });
    }

GLPixelFormat(long nativeScreen, Attributes attributes) {
        this.nativeScreen = nativeScreen;
        this.attributes = attributes;
    }

Attributes getAttributes() {
        return attributes;
    }

long getNativeScreen() {
        return nativeScreen;
    }

void setNativePFInfo(long nativePFInfo) {
        this.nativePFInfo = nativePFInfo;
    }

long getNativePFInfo() {
        return nativePFInfo;
    }

static class Attributes {
        //  These definitions are used by both the Mac, Win and X11 subclasses
        final static int RED_SIZE      = 0;
        final static int GREEN_SIZE    = 1;
        final static int BLUE_SIZE     = 2;
        final static int ALPHA_SIZE    = 3;
        final static int DEPTH_SIZE    = 4;
        final static int DOUBLEBUFFER  = 5;
        final static int ONSCREEN      = 6;

final static int NUM_ITEMS     = 7;

private boolean onScreen;
        private boolean doubleBuffer;
        private int alphaSize;
        private int blueSize;
        private int greenSize;
        private int redSize;
        private int depthSize;

Attributes() {
            onScreen = true;
            doubleBuffer = true;
            depthSize = defaultDepthSize;
            switch (defaultBufferSize) {
                case 32:
                    redSize = greenSize = blueSize = alphaSize = 8;
                    break;
                case 24:
                    redSize = greenSize = blueSize = 8;
                    alphaSize = 0;
                    break;
                case 16:
                    redSize = blueSize = 5;
                    greenSize = 6;
                    alphaSize = 0;
                    break;
                default:
                    throw new IllegalArgumentException("color buffer size "
                            + defaultBufferSize + " not supported");
            }
        }

boolean isOnScreen() {
            return onScreen;
        }

boolean isDoubleBuffer() {
            return doubleBuffer;
        }

int getDepthSize() {
            return depthSize;
        }

int getAlphaSize() {
            return alphaSize;
        }

int getBlueSize() {
            return blueSize;
        }

int getGreenSize() {
            return greenSize;
        }

int getRedSize() {
            return redSize;
        }

void setOnScreen(boolean os) {
            onScreen = os;
        }

void setDoubleBuffer(boolean db) {
            doubleBuffer = db;
        }

void setDepthSize(int ds) {
            depthSize = ds;
        }

void setAlphaSize(int as) {
            alphaSize = as;
        }

void setBlueSize(int bs) {
            blueSize = bs;
        }

void setGreenSize(int gs) {
            greenSize = gs;
        }

void setRedSize(int rs) {
            redSize = rs;
        }

public String toString() {
            return "onScreen: " + onScreen
                    + "redSize : " + redSize + ", "
                    + "greenSize : " + greenSize + ", "
                    + "blueSize : " + blueSize + ", "
                    + "alphaSize : " + alphaSize + ", "
                    + "depthSize : " + depthSize + ", "
                    + "doubleBuffer : " + doubleBuffer;
        }
    }
}

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