Edit C:\Program Files\Java\jdk1.8.0_121\com\sun\prism\es2\ES2MeshView.java

/*
 * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package com.sun.prism.es2;

import com.sun.prism.Graphics;
import com.sun.prism.Material;
import com.sun.prism.impl.BaseMeshView;
import com.sun.prism.impl.Disposer;

/**
 * TODO: 3D - Need documentation
 */
class ES2MeshView extends BaseMeshView {

static int count = 0;
    private final ES2Context context;
    private final long nativeHandle;
    private float ambientLightRed = 0;
    private float ambientLightBlue = 0;
    private float ambientLightGreen = 0;

// NOTE: We only support up to 3 point lights at the present
    private ES2Light[] lights = new ES2Light[3];

// TODO: 3D - Need a mechanism to "decRefCount" Mesh and Material
    //            if we need to do eager clean up
    final private ES2Mesh mesh;
    private ES2PhongMaterial material;

private ES2MeshView(ES2Context context, long nativeHandle, ES2Mesh mesh,
            Disposer.Record disposerRecord) {
        super(disposerRecord);
        this.context = context;
        this.mesh = mesh;
        this.nativeHandle = nativeHandle;
        count++;
    }

static ES2MeshView create(ES2Context context, ES2Mesh mesh) {
        long nativeHandle = context.createES2MeshView(mesh);
        return new ES2MeshView(context, nativeHandle, mesh, new ES2MeshViewDisposerRecord(context, nativeHandle));
    }

@Override
    public void setCullingMode(int cullingMode) {
        context.setCullingMode(nativeHandle, cullingMode);
    }

@Override
    public void setMaterial(Material material) {
        context.setMaterial(nativeHandle, material);
        this.material = (ES2PhongMaterial) material;
    }

@Override
    public void setWireframe(boolean wireframe) {
        context.setWireframe(nativeHandle, wireframe);
    }

@Override
    public void setAmbientLight(float r, float g, float b) {
        ambientLightRed = r;
        ambientLightGreen = g;
        ambientLightBlue = b;
        context.setAmbientLight(nativeHandle, r, g, b);
    }

float getAmbientLightRed() {
        return ambientLightRed;
    }

float getAmbientLightGreen() {
        return ambientLightGreen;
    }

float getAmbientLightBlue() {
        return ambientLightBlue;
    }

@Override
    public void setPointLight(int index, float x, float y, float z, float r, float g, float b, float w) {
        // NOTE: We only support up to 3 point lights at the present
        if (index >= 0 && index <= 2) {
            lights[index] = new ES2Light(x, y, z, r, g, b, w);
            context.setPointLight(nativeHandle, index, x, y, z, r, g, b, w);
        }
    }

ES2Light[] getPointLights() {
        return lights;
    }

@Override
    public void render(Graphics g) {
        material.lockTextureMaps();
        context.renderMeshView(nativeHandle, g, this);
        material.unlockTextureMaps();
    }

ES2PhongMaterial getMaterial() {
        return material;
    }

@Override
    public void dispose() {
        // TODO: 3D - Need a mechanism to "decRefCount" Mesh and Material
        material = null;
        lights = null;
        disposerRecord.dispose();
        count--;
    }

public int getCount() {
        return count;
    }

static class ES2MeshViewDisposerRecord implements Disposer.Record {

private final ES2Context context;
        private long nativeHandle;

ES2MeshViewDisposerRecord(ES2Context context, long nativeHandle) {
            this.context = context;
            this.nativeHandle = nativeHandle;
        }

void traceDispose() {
        }

public void dispose() {
            if (nativeHandle != 0L) {
                traceDispose();
                context.releaseES2MeshView(nativeHandle);
                nativeHandle = 0L;
            }
        }
    }
}

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