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Java example source code file (RSLAPITest.java)

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

Learn more about this Java project at its project page.

Java - Java tags/keywords

acceldeviceeventlistener, accelgraphicsconfig, accelsurface, awt, destsurfaceprovider, failed, graphicsconfiguration, image, java2d, opaque, passed, reflection, renderqueue, rt_texture, runtimeexception, translucent, util, volatileimage

The RSLAPITest.java Java example source code

/*
 * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code 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 code 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 in the LICENSE file that
 * accompanied this code).
 *
 * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
/*
 * @test
 * @bug 6635805 6653780 6667607
 * @summary Tests that the resource sharing layer API is not broken
 * @author Dmitri.Trembovetski@sun.com: area=Graphics
 * @compile -XDignore.symbol.file=true RSLAPITest.java
 * @run main/othervm RSLAPITest
 * @run main/othervm -Dsun.java2d.noddraw=true RSLAPITest
 * @run main/othervm -Dsun.java2d.opengl=True RSLAPITest
 */

import java.awt.Graphics;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Rectangle;
import java.awt.Transparency;
import java.awt.image.VolatileImage;
import java.util.HashSet;
import sun.java2d.DestSurfaceProvider;
import sun.java2d.Surface;
import sun.java2d.pipe.BufferedContext;
import sun.java2d.pipe.RenderQueue;
import sun.java2d.pipe.hw.AccelDeviceEventListener;
import sun.java2d.pipe.hw.AccelGraphicsConfig;
import sun.java2d.pipe.hw.AccelSurface;
import static java.awt.Transparency.*;
import java.lang.reflect.Field;
import static sun.java2d.pipe.hw.AccelSurface.*;
import static sun.java2d.pipe.hw.ContextCapabilities.*;

public class RSLAPITest {
    private static volatile boolean failed = false;

    public static void main(String[] args) {
        GraphicsEnvironment ge =
                GraphicsEnvironment.getLocalGraphicsEnvironment();
        GraphicsDevice gd = ge.getDefaultScreenDevice();
        GraphicsConfiguration gc = gd.getDefaultConfiguration();
        testGC(gc);

        if (failed) {
            throw new RuntimeException("Test FAILED. See err output for more");
        }

        System.out.println("Test PASSED.");
    }

    private static void testInvalidType(AccelSurface surface, int type) {
        long ret = surface.getNativeResource(type);
        System.out.printf("  getNativeResource(%d)=0x%x\n", type, ret);
        if (ret != 0l) {
            System.err.printf(
                    "FAILED: surface.getNativeResource(%d) returned" +
                    " 0x%s. It should have have returned 0L\n",
                    type, ret);
            failed = true;
        }
    }

    private static void testD3DDeviceResourceField(final AccelSurface surface) {
        try {
            Class d3dc = Class.forName("sun.java2d.d3d.D3DSurfaceData");
            if (d3dc.isInstance(surface)) {
                Field f = d3dc.getDeclaredField("D3D_DEVICE_RESOURCE");
                f.setAccessible(true);
                int d3dDR = (Integer)f.get(null);

                System.out.printf(
                        "  getNativeResource(D3D_DEVICE_RESOURCE)=0x%x\n",
                        surface.getNativeResource(d3dDR));
            }
        } catch (ClassNotFoundException e) {}
        catch (IllegalAccessException e) {}
        catch (NoSuchFieldException e) {
            System.err.println("Failed: D3DSurfaceData.D3D_DEVICE_RESOURCE" +
                               " field not found!");
            failed = true;
        }
    }

    private static void printSurface(Surface s) {
        if (s instanceof AccelSurface) {
            final AccelSurface surface = (AccelSurface) s;
            System.out.println(" Accel Surface: ");
            System.out.println("  type=" + surface.getType());
            System.out.println("  bounds=" + surface.getBounds());
            System.out.println("  nativeBounds=" + surface.getNativeBounds());
            System.out.println("  isSurfaceLost=" + surface.isSurfaceLost());
            System.out.println("  isValid=" + surface.isValid());
            RenderQueue rq = surface.getContext().getRenderQueue();
            rq.lock();
            try {
                rq.flushAndInvokeNow(new Runnable() {
                    public void run() {
                        System.out.printf("  getNativeResource(TEXTURE)=0x%x\n",
                            surface.getNativeResource(TEXTURE));
                        System.out.printf("  getNativeResource(RT_TEXTURE)=0x%x\n",
                            surface.getNativeResource(RT_TEXTURE));
                        System.out.printf("  getNativeResource(RT_PLAIN)=0x%x\n",
                            surface.getNativeResource(RT_PLAIN));
                        System.out.printf(
                            "  getNativeResource(FLIP_BACKBUFFER)=0x%x\n",
                            surface.getNativeResource(FLIP_BACKBUFFER));

                        testD3DDeviceResourceField(surface);

                        testInvalidType(surface, -1);
                        testInvalidType(surface, -150);
                        testInvalidType(surface, 300);
                        testInvalidType(surface, Integer.MAX_VALUE);
                        testInvalidType(surface, Integer.MIN_VALUE);
                    }
                });
            } finally {
                rq.unlock();
            }
        } else {
            System.out.println("null accelerated surface");
        }
    }

    private static void printAGC(AccelGraphicsConfig agc) {
        System.out.println("Accelerated Graphics Config: " + agc);
        System.out.println("Capabilities:");
        System.out.printf("AGC caps: 0x%x\n",
                          agc.getContextCapabilities().getCaps());
        System.out.println(agc.getContextCapabilities());
    }

    private static void testGC(GraphicsConfiguration gc) {
        if (!(gc instanceof AccelGraphicsConfig)) {
            System.out.println("Test passed: no hw accelerated configs found.");
            return;
        }
        System.out.println("AccelGraphicsConfig exists, testing.");
        AccelGraphicsConfig agc = (AccelGraphicsConfig) gc;
        printAGC(agc);

        testContext(agc);

        VolatileImage vi = gc.createCompatibleVolatileImage(10, 10);
        vi.validate(gc);
        if (vi instanceof DestSurfaceProvider) {
            System.out.println("Passed: VI is DestSurfaceProvider");
            Surface s = ((DestSurfaceProvider) vi).getDestSurface();
            if (s instanceof AccelSurface) {
                System.out.println("Passed: Obtained Accel Surface");
                printSurface((AccelSurface) s);
            }
            Graphics g = vi.getGraphics();
            if (g instanceof DestSurfaceProvider) {
                System.out.println("Passed: VI graphics is " +
                                   "DestSurfaceProvider");
                printSurface(((DestSurfaceProvider) g).getDestSurface());
            }
        } else {
            System.out.println("VI is not DestSurfaceProvider");
        }
        testVICreation(agc, CAPS_RT_TEXTURE_ALPHA, TRANSLUCENT, RT_TEXTURE);
        testVICreation(agc, CAPS_RT_TEXTURE_OPAQUE, OPAQUE, RT_TEXTURE);
        testVICreation(agc, CAPS_RT_PLAIN_ALPHA, TRANSLUCENT, RT_PLAIN);
        testVICreation(agc, agc.getContextCapabilities().getCaps(), OPAQUE,
                       TEXTURE);
        testForNPEDuringCreation(agc);
    }

    private static void testVICreation(AccelGraphicsConfig agc, int cap,
                                       int transparency, int type)
    {
        int caps = agc.getContextCapabilities().getCaps();
        int w = 11, h = 17;

        VolatileImage vi =
            agc.createCompatibleVolatileImage(w, h, transparency, type);
        if ((cap & caps) != 0) {
            if (vi == null) {
                System.out.printf("Failed: cap=%d is supported but " +
                                  "image wasn't created\n", cap);
                throw new RuntimeException("Failed: image wasn't created " +
                                           "for supported cap");
            } else {
                if (!(vi instanceof DestSurfaceProvider)) {
                    throw new RuntimeException("Failed: created VI is not " +
                                               "DestSurfaceProvider");
                }
                Surface s = ((DestSurfaceProvider) vi).getDestSurface();
                if (s instanceof AccelSurface) {
                    AccelSurface as = (AccelSurface) s;
                    printSurface(as);
                    if (as.getType() != type) {
                        throw new RuntimeException("Failed: returned VI is" +
                                " of incorrect type: " + as.getType() +
                                " requested type=" + type);
                    } else {
                        System.out.printf("Passed: VI of type %d was " +
                                "created for cap=%d\n", type, cap);
                    }
                    if (as.getType() == TEXTURE) {
                        boolean ex = false;
                        try {
                            Graphics g = vi.getGraphics();
                            g.dispose();
                        } catch (UnsupportedOperationException e) {
                            ex = true;
                        }
                        if (!ex) {
                            throw new RuntimeException("Failed: " +
                                "texture.getGraphics() didn't throw exception");
                        } else {
                            System.out.println("Passed: VI.getGraphics()" +
                                    " threw exception for texture-based VI");
                        }
                    }
                } else {
                    System.out.printf("Passed: VI of type %d was " +
                            "created for cap=%d but accel surface is null\n",
                            type, cap);
                }
            }
        } else {
            if (vi != null) {
                throw new RuntimeException("Failed: created VI for " +
                                           "unsupported cap=" + cap);
            }
        }
    }

    private static void testContext(final AccelGraphicsConfig agc) {
        BufferedContext c = agc.getContext();
        final AccelDeviceEventListener l = new AccelDeviceEventListener() {
            public void onDeviceDispose() {
                System.out.println("onDeviceDispose invoked");
                agc.removeDeviceEventListener(this);
            }
            public void onDeviceReset() {
                System.out.println("onDeviceReset invoked");
            }
        };
        agc.addDeviceEventListener(l);

        RenderQueue rq = c.getRenderQueue();
        rq.lock();
        try {
            c.saveState();
            rq.flushNow();
            c.restoreState();
            rq.flushNow();
            System.out.println("Passed: Save/Restore");
        } finally {
            rq.unlock();
        }
    }

    private static void testForNPEDuringCreation(AccelGraphicsConfig agc) {
        int iterations = 100;
        HashSet<VolatileImage> vis = new HashSet();
        GraphicsConfiguration gc = (GraphicsConfiguration)agc;
        Rectangle r = gc.getBounds();
        long ram = gc.getDevice().getAvailableAcceleratedMemory();
        if (ram > 0) {
            // guesstimate the number of iterations needed to exhaust vram
            int i = 2 *
                (int)(ram / (r.width * r.height * gc.getColorModel().getPixelSize()/8));
            iterations = Math.max(iterations, i);
            System.err.println("iterations="+iterations);
        }
        for (int i = 0; i < iterations; i++) {
            VolatileImage vi =
                agc.createCompatibleVolatileImage(r.width, r.height,
                                                  Transparency.OPAQUE,
                                                  AccelSurface.RT_PLAIN);
            if (vi == null) {
                break;
            }
            vis.add(vi);
        }
        for (VolatileImage vi : vis) {
            vi.flush();
        }
        vis = null;

        System.out.println("Passed: testing for possible NPEs " +
                           "during VI creation");
    }
}

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