Added support for array access to mapped objects.

Added SpriteShootout test that uses mapped objects.
This commit is contained in:
Ioannis Tsakpinis 2011-07-22 02:01:56 +00:00
parent 087d0f4ba9
commit 20b9d3f89f
18 changed files with 2108 additions and 602 deletions

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@ -410,7 +410,7 @@
<!-- Compiles the Java source code -->
<target name="compile" description="Compiles the java source code" depends="-initialize">
<javac debug="yes" destdir="${lwjgl.bin}" source="1.5" target="1.5" classpath="${lwjgl.lib}/jinput.jar:${lwjgl.lib}/AppleJavaExtensions.jar;${lwjgl.lib}/asm.jar;${lwjgl.lib}/asm-util.jar" taskname="core">
<javac debug="yes" destdir="${lwjgl.bin}" source="1.5" target="1.5" classpath="${lwjgl.lib}/jinput.jar:${lwjgl.lib}/AppleJavaExtensions.jar:${lwjgl.lib}/asm-debug-all.jar" taskname="core">
<!--<compilerarg value="-Xlint:unchecked"/>-->
<src path="${lwjgl.src}/java/"/>
<src path="${lwjgl.src}/generated/"/>

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@ -31,6 +31,7 @@
*/
package org.lwjgl.test.mapped;
import org.lwjgl.MemoryUtil;
import org.lwjgl.util.mapped.MappedObjectUnsafe;
import java.nio.ByteBuffer;
@ -212,7 +213,7 @@ public class MappedObjectBench {
final int iterations = 64 * 1024;
ByteBuffer bb = ByteBuffer.allocateDirect(200);
long addr = MappedObjectUnsafe.getBufferBaseAddress(bb);
long addr = MemoryUtil.getAddress(bb);
long[] took = new long[runs];
for ( int run = 0; run < runs; run++ ) {

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@ -31,6 +31,7 @@
*/
package org.lwjgl.test.mapped;
import org.lwjgl.MemoryUtil;
import org.lwjgl.util.mapped.MappedHelper;
import org.lwjgl.util.mapped.MappedObjectUnsafe;
@ -143,9 +144,9 @@ public class MappedObjectTests1 {
// test newBuffer
{
long addr1 = MappedObjectUnsafe.getBufferBaseAddress(bb);
long addr1 = MemoryUtil.getAddress(bb);
ByteBuffer bb2 = MappedHelper.newBuffer(addr1, bb.capacity());
long addr2 = MappedObjectUnsafe.getBufferBaseAddress(bb);
long addr2 = MemoryUtil.getAddress(bb);
System.out.println(bb);
System.out.println(bb2);

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@ -31,7 +31,11 @@
*/
package org.lwjgl.test.mapped;
import org.lwjgl.util.mapped.*;
import org.lwjgl.MemoryUtil;
import org.lwjgl.util.mapped.MappedObject;
import org.lwjgl.util.mapped.MappedSet;
import org.lwjgl.util.mapped.MappedSet2;
import org.lwjgl.util.mapped.MappedType;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
@ -49,10 +53,10 @@ public class MappedObjectTests3 {
assert (some.data != some.data);
long addr1 = MappedObjectUnsafe.getBufferBaseAddress(some.backingByteBuffer());
long addr1 = MemoryUtil.getAddress(some.backingByteBuffer());
ByteBuffer mapped = some.data; // creates new ByteBuffer instance
long addr2 = MappedObjectUnsafe.getBufferBaseAddress(mapped);
long addr2 = MemoryUtil.getAddress(mapped);
assert (addr2 - addr1 == 4);
assert (mapped.capacity() == MappedSomething.SIZEOF - 4);
@ -60,7 +64,7 @@ public class MappedObjectTests3 {
some.view++;
mapped = some.data; // creates new ByteBuffer instance
long addr3 = MappedObjectUnsafe.getBufferBaseAddress(mapped);
long addr3 = MemoryUtil.getAddress(mapped);
assert (addr3 - addr1 == 4 + MappedSomething.SIZEOF);
assert (addr3 - addr2 == 0 + MappedSomething.SIZEOF);
assert (mapped.capacity() == MappedSomething.SIZEOF - 4);
@ -87,7 +91,7 @@ public class MappedObjectTests3 {
static void testConstructor() {
int capacity = 1024;
ByteBuffer bb = ByteBuffer.allocateDirect(capacity).order(ByteOrder.nativeOrder());
long address = MappedObjectUnsafe.getBufferBaseAddress(bb);
long address = MemoryUtil.getAddress(bb);
MappedFloat mf = MappedFloat.map(address, capacity);

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@ -0,0 +1,115 @@
/*
* Copyright (c) 2002-2011 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.lwjgl.test.mapped;
import org.lwjgl.MemoryUtil;
import org.lwjgl.opengl.Display;
import java.io.File;
import java.nio.ByteBuffer;
/** @author Riven */
@SuppressWarnings("static-access")
public class MappedObjectTests4 {
public static void testLWJGL() throws Exception {
System.out.println(new File(System.getProperty("java.library.path")).getCanonicalPath());
Display.create();
}
public static void testLocalView() {
MappedFloat mapped1 = MappedFloat.malloc(5);
MappedFloat mapped2 = MappedFloat.malloc(5);
testLocalView(mapped1);
testLocalView(mapped1, mapped2);
MappedSomething some = MappedSomething.malloc(5);
testLocalView(some);
}
private static void testLocalView(MappedFloat mapped1) {
final MappedFloat[] array = mapped1.asArray();
assert (array.length == 5);
int l = 10 * array.length;
for ( int localView1 = 0; localView1 < 5; localView1++ ) {
array[localView1].value = localView1 * 5;
array[localView1].value *= 2.0f;
}
System.out.println();
float x = 0.0f;
for ( int localView1 = 0; localView1 < 5; localView1++ ) {
System.out.println("[" + localView1 + "] =>" + array[localView1].value);
x += array[localView1].value;
}
System.out.println("x = " + x);
}
private static void testLocalView(MappedFloat mo1, MappedFloat mo2) {
final MappedFloat[] array1 = mo1.<MappedFloat>asArray();
for ( int v1 = 0; v1 < 5; v1++ ) {
array1[v1].value = (float)Math.random();
array1[v1].value *= 2.0f;
}
final MappedFloat[] array2 = mo2.<MappedFloat>asArray();
for ( int v2 = 0; v2 < 5; v2++ ) {
array2[v2].value = (float)Math.random();
array2[v2].value *= 2.0f;
}
System.out.println();
for ( int v1 = 0; v1 < 5; v1++ ) {
System.out.println("[" + v1 + "] =>" + array1[v1].value);
}
for ( int v2 = 0; v2 < 5; v2++ ) {
System.out.println("[" + v2 + "] =>" + array2[v2].value);
}
}
private static void testLocalView(MappedSomething some) {
final MappedSomething[] array = some.asArray();
assert (array.length == 5);
final long baseAddress = MemoryUtil.getAddress(some.backingByteBuffer());
for ( int i = 0; i < array.length; i++ ) {
ByteBuffer data = array[i].data;
assert (data.capacity() == (64 - 4));
assert (MemoryUtil.getAddress(data) == baseAddress + i * MappedSomething.SIZEOF + 4);
}
}
}

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@ -71,6 +71,11 @@ public class TestMappedObject {
MappedObjectTests3.testConstructor();
MappedObjectTests3.testMappedSet();
MappedObjectTests4.testLocalView();
//MappedObjectTests4.testLWJGL();
System.out.println("done");
}

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@ -0,0 +1,831 @@
/*
* Copyright (c) 2002-2011 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.lwjgl.test.opengl.sprites;
import org.lwjgl.BufferUtils;
import org.lwjgl.LWJGLException;
import org.lwjgl.Sys;
import org.lwjgl.input.Keyboard;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.*;
import org.lwjgl.util.mapped.MappedObject;
import org.lwjgl.util.mapped.MappedObjectClassLoader;
import org.lwjgl.util.mapped.MappedObjectTransformer;
import org.lwjgl.util.mapped.MappedType;
import java.awt.image.BufferedImage;
import java.awt.image.Raster;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Random;
import javax.imageio.ImageIO;
import static org.lwjgl.opengl.EXTTransformFeedback.*;
import static org.lwjgl.opengl.GL11.*;
import static org.lwjgl.opengl.GL12.*;
import static org.lwjgl.opengl.GL15.*;
import static org.lwjgl.opengl.GL20.*;
import static org.lwjgl.opengl.GL30.*;
/**
* Sprite rendering demo. Three implementations are supported:
* a) CPU animation + BufferData VBO update.
* b) CPU animation + MapBufferRange VBO update.
* c) GPU animation using transform feedback with a vertex shader.
*
* @author Spasi
* @since 18/3/2011
*/
public final class SpriteShootoutMapped {
static final int SCREEN_WIDTH = 800;
static final int SCREEN_HEIGHT = 600;
private static final int ANIMATION_TICKS = 60;
private boolean run = true;
private boolean render = true;
private boolean colorMask = true;
private boolean animate = true;
private boolean smooth;
private boolean vsync;
int ballSize = 42;
int ballCount = 100 * 1000;
private SpriteRenderer renderer;
// OpenGL stuff
private int texID;
private int texBigID;
private int texSmallID;
private SpriteShootoutMapped() {
}
public static void main(String[] args) {
MappedObjectTransformer.register(Pixel4b.class);
MappedObjectTransformer.register(Pixel3b.class);
MappedObjectTransformer.register(Sprite.class);
MappedObjectTransformer.register(SpriteRender.class);
if ( MappedObjectClassLoader.fork(SpriteShootoutMapped.class, args) )
return;
try {
new SpriteShootoutMapped().start();
} catch (LWJGLException e) {
e.printStackTrace();
}
}
private void start() throws LWJGLException {
try {
initGL();
final ContextCapabilities caps = GLContext.getCapabilities();
if ( !true && (caps.OpenGL30 || caps.GL_EXT_transform_feedback) )
renderer = new SpriteRendererTF();
else if ( true && caps.GL_ARB_map_buffer_range )
renderer = new SpriteRendererMapped();
else
renderer = new SpriteRendererPlain();
updateBalls(ballCount);
run();
} catch (Throwable t) {
t.printStackTrace();
} finally {
destroy();
}
}
private void initGL() throws LWJGLException {
Display.setLocation((Display.getDisplayMode().getWidth() - SCREEN_WIDTH) / 2,
(Display.getDisplayMode().getHeight() - SCREEN_HEIGHT) / 2);
Display.setDisplayMode(new DisplayMode(SCREEN_WIDTH, SCREEN_HEIGHT));
Display.setTitle("Sprite Shootout");
Display.create();
//Display.create(new PixelFormat(), new ContextAttribs(4, 1).withProfileCompatibility(true).withDebug(true));
//AMDDebugOutput.glDebugMessageCallbackAMD(new AMDDebugOutputCallback());
if ( !GLContext.getCapabilities().OpenGL20 )
throw new RuntimeException("OpenGL 2.0 is required for this demo.");
// Setup viewport
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, SCREEN_WIDTH, 0, SCREEN_HEIGHT, -1.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glViewport(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
// Create textures
try {
texSmallID = createTexture("res/ball_sm.png");
texBigID = createTexture("res/ball.png");
} catch (IOException e) {
e.printStackTrace();
System.exit(-1);
}
texID = texBigID;
// Setup rendering state
glEnable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.0f);
glColorMask(colorMask, colorMask, colorMask, false);
glDepthMask(false);
glDisable(GL_DEPTH_TEST);
// Setup geometry
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
Util.checkGLError();
}
private static int createTexture(final String path) throws IOException {
final BufferedImage img = ImageIO.read(SpriteShootoutMapped.class.getClassLoader().getResource(path));
final int w = img.getWidth();
final int h = img.getHeight();
final ByteBuffer buffer = readImage(img);
final int texID = glGenTextures();
glBindTexture(GL_TEXTURE_2D, texID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_BGRA, GL_UNSIGNED_BYTE, buffer);
return texID;
}
@MappedType(sizeof = 4)
public static class Pixel4b extends MappedObject {
public byte r, g, b, a;
}
@MappedType(sizeof = 3, align = 3)
public static class Pixel3b extends MappedObject {
public byte r, g, b;
}
private static ByteBuffer readImage(final BufferedImage img) throws IOException {
final Raster raster = img.getRaster();
final int bands = raster.getNumBands();
final int w = img.getWidth();
final int h = img.getHeight();
final int count = w * h;
final byte[] pixels = new byte[count * bands];
raster.getDataElements(0, 0, w, h, pixels);
if ( bands == 4 ) {
Pixel4b p = Pixel4b.malloc(count);
int b = 0;
for ( int i = 0; i < count; i++, b += 4 ) {
// Pre-multiply alpha
final float a = unpackUByte01(pixels[b + 3]);
p.view = i;
p.r = packUByte01(unpackUByte01(pixels[b + 2]) * a);
p.g = packUByte01(unpackUByte01(pixels[b + 1]) * a);
p.b = packUByte01(unpackUByte01(pixels[b + 0]) * a);
p.a = pixels[b + 3];
}
return p.backingByteBuffer();
} else if ( bands == 3 ) {
Pixel3b p = Pixel3b.malloc(count);
int b = 0;
for ( int i = 0; i < count; i++, b += 3 ) {
p.view = i;
p.r = pixels[b + 2];
p.g = pixels[b + 1];
p.b = pixels[b + 0];
}
return p.backingByteBuffer();
} else {
ByteBuffer p = BufferUtils.createByteBuffer(count * bands);
p.put(pixels, 0, p.capacity());
p.flip();
return p;
}
}
private static float unpackUByte01(final byte x) {
return (x & 0xFF) / 255.0f;
}
private static byte packUByte01(final float x) {
return (byte)(x * 255.0f);
}
private void updateBalls(final int count) {
System.out.println("NUMBER OF BALLS: " + count);
renderer.updateBalls(ballCount);
}
private void run() {
long startTime = System.currentTimeMillis() + 5000;
long fps = 0;
long time = Sys.getTime();
final int ticksPerUpdate = (int)(Sys.getTimerResolution() / ANIMATION_TICKS);
renderer.render(false, true, 0);
while ( run ) {
Display.processMessages();
handleInput();
glClear(GL_COLOR_BUFFER_BIT);
final long currTime = Sys.getTime();
final int delta = (int)(currTime - time);
if ( smooth || delta >= ticksPerUpdate ) {
renderer.render(render, animate, delta);
time = currTime;
} else
renderer.render(render, false, 0);
Display.update(false);
//Display.sync(60);
if ( startTime > System.currentTimeMillis() ) {
fps++;
} else {
long timeUsed = 5000 + (startTime - System.currentTimeMillis());
startTime = System.currentTimeMillis() + 5000;
System.out.println("FPS: " + (Math.round(fps / (timeUsed / 1000.0) * 10) / 10.0) + ", Balls: " + ballCount);
fps = 0;
}
}
}
private void handleInput() {
if ( Display.isCloseRequested() )
run = false;
while ( Keyboard.next() ) {
if ( Keyboard.getEventKeyState() )
continue;
switch ( Keyboard.getEventKey() ) {
case Keyboard.KEY_1:
case Keyboard.KEY_2:
case Keyboard.KEY_3:
case Keyboard.KEY_4:
case Keyboard.KEY_5:
case Keyboard.KEY_6:
case Keyboard.KEY_7:
case Keyboard.KEY_8:
case Keyboard.KEY_9:
case Keyboard.KEY_0:
ballCount = 1 << (Keyboard.getEventKey() - Keyboard.KEY_1);
updateBalls(ballCount);
break;
case Keyboard.KEY_ADD:
case Keyboard.KEY_SUBTRACT:
int mult;
if ( Keyboard.isKeyDown(Keyboard.KEY_LSHIFT) || Keyboard.isKeyDown(Keyboard.KEY_RSHIFT) )
mult = 1000;
else if ( Keyboard.isKeyDown(Keyboard.KEY_LMENU) || Keyboard.isKeyDown(Keyboard.KEY_RMENU) )
mult = 100;
else if ( Keyboard.isKeyDown(Keyboard.KEY_LCONTROL) || Keyboard.isKeyDown(Keyboard.KEY_RCONTROL) )
mult = 10;
else
mult = 1;
if ( Keyboard.getEventKey() == Keyboard.KEY_SUBTRACT )
mult = -mult;
ballCount += mult * 100;
if ( ballCount <= 0 )
ballCount = 1;
updateBalls(ballCount);
break;
case Keyboard.KEY_ESCAPE:
run = false;
break;
case Keyboard.KEY_A:
animate = !animate;
System.out.println("Animation is now " + (animate ? "on" : "off") + ".");
break;
case Keyboard.KEY_C:
colorMask = !colorMask;
glColorMask(colorMask, colorMask, colorMask, false);
System.out.println("Color mask is now " + (colorMask ? "on" : "off") + ".");
// Disable alpha test when color mask is off, else we get no benefit.
if ( colorMask ) {
glEnable(GL_BLEND);
glEnable(GL_ALPHA_TEST);
} else {
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
}
break;
case Keyboard.KEY_R:
render = !render;
System.out.println("Rendering is now " + (render ? "on" : "off") + ".");
break;
case Keyboard.KEY_S:
smooth = !smooth;
System.out.println("Smooth animation is now " + (smooth ? "on" : "off") + ".");
break;
case Keyboard.KEY_T:
if ( texID == texBigID ) {
texID = texSmallID;
ballSize = 16;
} else {
texID = texBigID;
ballSize = 42;
}
renderer.updateBallSize();
glBindTexture(GL_TEXTURE_2D, texID);
System.out.println("Now using the " + (texID == texBigID ? "big" : "small") + " texture.");
break;
case Keyboard.KEY_V:
vsync = !vsync;
Display.setVSyncEnabled(vsync);
System.out.println("VSYNC is now " + (vsync ? "enabled" : "disabled") + ".");
break;
}
}
while ( Mouse.next() ) ;
}
private void destroy() {
Display.destroy();
}
@MappedType(sizeof = 4 * 4)
public static class Sprite extends MappedObject {
public float x, y;
public float dx, dy;
}
@MappedType(sizeof = 2 * 4)
public static class SpriteRender extends MappedObject {
public float x, y;
}
private abstract class SpriteRenderer {
protected Sprite sprites;
protected int spriteCount;
protected int vshID;
protected int progID;
protected void createProgram() {
final int fshID = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fshID, "uniform sampler2D COLOR_MAP;\n" +
"void main(void) {\n" +
" gl_FragColor = texture2D(COLOR_MAP, gl_PointCoord);\n" +
"}");
glCompileShader(fshID);
if ( glGetShader(fshID, GL_COMPILE_STATUS) == GL_FALSE ) {
System.out.println(glGetShaderInfoLog(fshID, glGetShader(fshID, GL_INFO_LOG_LENGTH)));
throw new RuntimeException("Failed to compile fragment shader.");
}
progID = glCreateProgram();
glAttachShader(progID, vshID);
glAttachShader(progID, fshID);
glLinkProgram(progID);
if ( glGetProgram(progID, GL_LINK_STATUS) == GL_FALSE ) {
System.out.println(glGetProgramInfoLog(progID, glGetProgram(progID, GL_INFO_LOG_LENGTH)));
throw new RuntimeException("Failed to link shader program.");
}
glUseProgram(progID);
glUniform1i(glGetUniformLocation(progID, "COLOR_MAP"), 0);
updateBallSize();
glEnableClientState(GL_VERTEX_ARRAY);
}
public void updateBallSize() {
glPointSize(ballSize);
}
public abstract void updateBalls(int count);
protected abstract void render(boolean render, boolean animate, int delta);
}
private abstract class SpriteRendererBatched extends SpriteRenderer {
protected static final int BALLS_PER_BATCH = 10 * 1000;
SpriteRendererBatched() {
vshID = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vshID, "void main(void) {\n" +
" gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n" +
"}");
glCompileShader(vshID);
if ( glGetShader(vshID, GL_COMPILE_STATUS) == GL_FALSE ) {
System.out.println(glGetShaderInfoLog(vshID, glGetShader(vshID, GL_INFO_LOG_LENGTH)));
throw new RuntimeException("Failed to compile vertex shader.");
}
createProgram();
}
public void updateBalls(final int count) {
final Random random = new Random();
final Sprite newSprites = Sprite.malloc(count);
if ( sprites != null ) {
sprites.view = 0;
sprites.copyRange(newSprites, Math.min(count, spriteCount));
}
if ( count > spriteCount ) {
for ( int i = spriteCount; i < count; i++ ) {
newSprites.view = i;
newSprites.x = (int)(random.nextFloat() * (SCREEN_WIDTH - ballSize) + ballSize * 0.5f);
newSprites.y = (int)(random.nextFloat() * (SCREEN_HEIGHT - ballSize) + ballSize * 0.5f);
newSprites.dx = random.nextFloat() * 0.4f - 0.2f;
newSprites.dy = random.nextFloat() * 0.4f - 0.2f;
}
}
sprites = newSprites;
spriteCount = count;
}
protected void animate(
final Sprite sprite,
final SpriteRender spriteRender,
final int ballSize, final int ballIndex, final int batchSize, final int delta
) {
final float ballRadius = ballSize * 0.5f;
final float boundW = SCREEN_WIDTH - ballRadius;
final float boundH = SCREEN_HEIGHT - ballRadius;
final Sprite[] sprites = sprite.asArray();
final SpriteRender[] spritesRender = spriteRender.asArray();
for ( int b = ballIndex, r = 0, len = (ballIndex + batchSize); b < len; b++, r++ ) {
float x = sprites[b].x;
float dx = sprites[b].dx;
x += dx * delta;
if ( x < ballRadius ) {
x = ballRadius;
sprites[b].dx = -dx;
} else if ( x > boundW ) {
x = boundW;
sprites[b].dx = -dx;
}
sprites[b].x = x;
float y = sprites[b].y;
float dy = sprites[b].dy;
y += dy * delta;
if ( y < ballRadius ) {
y = ballRadius;
sprites[b].dy = -dy;
} else if ( y > boundH ) {
y = boundH;
sprites[b].dy = -dy;
}
sprites[b].y = y;
spritesRender[r].x = x;
spritesRender[r].y = y;
}
}
}
private class SpriteRendererPlain extends SpriteRendererBatched {
private final int DATA_PER_BATCH = BALLS_PER_BATCH * 2 * 4; // balls * 2 floats * 4 bytes
protected int[] animVBO;
private SpriteRender spritesRender;
SpriteRendererPlain() {
System.out.println("Shootout Implementation: CPU animation & BufferData");
spritesRender = SpriteRender.malloc(BALLS_PER_BATCH);
}
public void updateBalls(final int count) {
super.updateBalls(count);
final int batchCount = count / BALLS_PER_BATCH + (count % BALLS_PER_BATCH == 0 ? 0 : 1);
if ( animVBO != null && batchCount == animVBO.length )
return;
final int[] newAnimVBO = new int[batchCount];
if ( animVBO != null ) {
System.arraycopy(animVBO, 0, newAnimVBO, 0, Math.min(animVBO.length, newAnimVBO.length));
for ( int i = newAnimVBO.length; i < animVBO.length; i++ )
glDeleteBuffers(animVBO[i]);
}
for ( int i = animVBO == null ? 0 : animVBO.length; i < newAnimVBO.length; i++ ) {
newAnimVBO[i] = glGenBuffers();
glBindBuffer(GL_ARRAY_BUFFER, newAnimVBO[i]);
}
animVBO = newAnimVBO;
}
public void render(final boolean render, final boolean animate, final int delta) {
int batchSize = Math.min(ballCount, BALLS_PER_BATCH);
int ballIndex = 0;
int batchIndex = 0;
while ( ballIndex < ballCount ) {
glBindBuffer(GL_ARRAY_BUFFER, animVBO[batchIndex]);
if ( animate )
animate(ballIndex, batchSize, delta);
if ( render ) {
glVertexPointer(2, GL_FLOAT, 0, 0);
glDrawArrays(GL_POINTS, 0, batchSize);
}
ballIndex += batchSize;
batchSize = Math.min(ballCount - ballIndex, BALLS_PER_BATCH);
batchIndex++;
}
}
private void animate(final int ballIndex, final int batchSize, final int delta) {
animate(
sprites, spritesRender,
ballSize, ballIndex, batchSize, delta
);
glBufferData(GL_ARRAY_BUFFER, DATA_PER_BATCH, GL_STREAM_DRAW);
glBufferSubData(GL_ARRAY_BUFFER, 0, spritesRender.backingByteBuffer());
}
}
private class SpriteRendererMapped extends SpriteRendererBatched {
private StreamVBO animVBO;
SpriteRendererMapped() {
System.out.println("Shootout Implementation: CPU animation & MapBufferRange");
}
public void updateBalls(final int count) {
super.updateBalls(count);
if ( animVBO != null )
animVBO.destroy();
animVBO = new StreamVBO(GL_ARRAY_BUFFER, ballCount * (2 * 4));
}
public void render(final boolean render, final boolean animate, final int delta) {
int batchSize = Math.min(ballCount, BALLS_PER_BATCH);
int ballIndex = 0;
while ( ballIndex < ballCount ) {
if ( animate ) {
final ByteBuffer buffer = animVBO.map(batchSize * (2 * 4));
animate(sprites, SpriteRender.<SpriteRender>map(buffer), ballSize, ballIndex, batchSize, delta);
animVBO.unmap();
}
if ( render ) {
glVertexPointer(2, GL_FLOAT, 0, ballIndex * (2 * 4));
glDrawArrays(GL_POINTS, 0, batchSize);
}
ballIndex += batchSize;
batchSize = Math.min(ballCount - ballIndex, BALLS_PER_BATCH);
}
}
}
private class SpriteRendererTF extends SpriteRenderer {
private int progIDTF;
private int ballSizeLoc;
private int deltaLoc;
private int[] tfVBO = new int[2];
private int currVBO;
SpriteRendererTF() {
System.out.println("Shootout Implementation: TF GPU animation");
// Transform-feedback program
final int vshID = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vshID, "#version 130\n" +
"const float WIDTH = " + SCREEN_WIDTH + ";\n" +
"const float HEIGHT = " + SCREEN_HEIGHT + ";\n" +
"uniform float ballSize;\n" + // ballSize / 2
"uniform float delta;\n" +
"void main(void) {\n" +
" vec4 anim = gl_Vertex;\n" +
" anim.xy = anim.xy + anim.zw * delta;\n" +
" vec2 animC = clamp(anim.xy, vec2(ballSize), vec2(WIDTH - ballSize, HEIGHT - ballSize));\n" +
" if ( anim.x != animC.x ) anim.z = -anim.z;\n" +
" if ( anim.y != animC.y ) anim.w = -anim.w;\n" +
" gl_Position = vec4(animC, anim.zw);\n" +
"}");
glCompileShader(vshID);
if ( glGetShader(vshID, GL_COMPILE_STATUS) == GL_FALSE ) {
System.out.println(glGetShaderInfoLog(vshID, glGetShader(vshID, GL_INFO_LOG_LENGTH)));
throw new RuntimeException("Failed to compile vertex shader.");
}
progIDTF = glCreateProgram();
glAttachShader(progIDTF, vshID);
glTransformFeedbackVaryings(progIDTF, new CharSequence[] { "gl_Position" }, GL_SEPARATE_ATTRIBS);
glLinkProgram(progIDTF);
if ( glGetProgram(progIDTF, GL_LINK_STATUS) == GL_FALSE ) {
System.out.println(glGetProgramInfoLog(progIDTF, glGetProgram(progIDTF, GL_INFO_LOG_LENGTH)));
throw new RuntimeException("Failed to link shader program.");
}
glUseProgram(progIDTF);
ballSizeLoc = glGetUniformLocation(progIDTF, "ballSize");
deltaLoc = glGetUniformLocation(progIDTF, "delta");
glUniform1f(ballSizeLoc, ballSize * 0.5f);
// -----------------
this.vshID = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(this.vshID, "void main(void) {\n" +
" gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n" +
"}");
glCompileShader(this.vshID);
if ( glGetShader(this.vshID, GL_COMPILE_STATUS) == GL_FALSE ) {
System.out.println(glGetShaderInfoLog(this.vshID, glGetShader(this.vshID, GL_INFO_LOG_LENGTH)));
throw new RuntimeException("Failed to compile vertex shader.");
}
createProgram();
}
public void updateBallSize() {
glUseProgram(progIDTF);
glUniform1f(ballSizeLoc, ballSize * 0.5f);
glUseProgram(progID);
super.updateBallSize();
}
private void doUpdateBalls(final int count) {
final Random random = new Random();
final Sprite newSprites = Sprite.malloc(count);
if ( sprites != null ) {
sprites.view = 0;
sprites.copyRange(newSprites, Math.min(count, spriteCount));
}
if ( count > spriteCount ) {
for ( int i = spriteCount; i < count; i++ ) {
newSprites.view = i;
newSprites.x = (int)(random.nextFloat() * (SCREEN_WIDTH - ballSize) + ballSize * 0.5f);
newSprites.y = (int)(random.nextFloat() * (SCREEN_HEIGHT - ballSize) + ballSize * 0.5f);
newSprites.dx = random.nextFloat() * 0.4f - 0.2f;
newSprites.dy = random.nextFloat() * 0.4f - 0.2f;
}
}
sprites = newSprites;
spriteCount = count;
}
public void updateBalls(final int count) {
if ( tfVBO[0] != 0 ) {
// Fetch current animation state
glGetBufferSubData(GL_TRANSFORM_FEEDBACK_BUFFER, 0, sprites.backingByteBuffer());
}
doUpdateBalls(count);
if ( tfVBO[0] != 0 ) {
for ( int i = 0; i < tfVBO.length; i++ )
glDeleteBuffers(tfVBO[i]);
}
for ( int i = 0; i < tfVBO.length; i++ ) {
tfVBO[i] = glGenBuffers();
glBindBuffer(GL_TRANSFORM_FEEDBACK_BUFFER, tfVBO[i]);
glBufferData(GL_TRANSFORM_FEEDBACK_BUFFER, sprites.backingByteBuffer(), GL_STATIC_DRAW);
}
glBindBuffer(GL_ARRAY_BUFFER, tfVBO[0]);
glVertexPointer(2, GL_FLOAT, (4 * 4), 0);
}
public void render(final boolean render, final boolean animate, final int delta) {
if ( animate ) {
glUseProgram(progIDTF);
glUniform1f(deltaLoc, delta);
final int vbo = currVBO;
currVBO = 1 - currVBO;
glBindBuffer(GL_ARRAY_BUFFER, tfVBO[vbo]);
glVertexPointer(4, GL_FLOAT, 0, 0);
glEnable(GL_RASTERIZER_DISCARD);
if ( GLContext.getCapabilities().OpenGL30 ) {
glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, 0, tfVBO[1 - vbo]);
glBeginTransformFeedback(GL_POINTS);
glDrawArrays(GL_POINTS, 0, ballCount);
glEndTransformFeedback();
} else {
glBindBufferBaseEXT(GL_TRANSFORM_FEEDBACK_BUFFER_EXT, 0, tfVBO[1 - vbo]);
glBeginTransformFeedbackEXT(GL_POINTS);
glDrawArrays(GL_POINTS, 0, ballCount);
glEndTransformFeedbackEXT();
}
glDisable(GL_RASTERIZER_DISCARD);
glUseProgram(progID);
glVertexPointer(2, GL_FLOAT, (4 * 4), 0);
}
if ( render )
glDrawArrays(GL_POINTS, 0, ballCount);
}
}
}

View File

@ -31,6 +31,9 @@
*/
package org.lwjgl.util.mapped;
import org.lwjgl.LWJGLUtil;
import org.lwjgl.MemoryUtil;
import java.nio.ByteBuffer;
/**
@ -43,30 +46,32 @@ import java.nio.ByteBuffer;
public class MappedHelper {
public static void setup(MappedObject mo, ByteBuffer buffer, int align, int sizeof) {
if ( mo.baseAddress != 0L )
if ( LWJGLUtil.CHECKS && mo.baseAddress != 0L )
throw new IllegalStateException("this method should not be called by user-code");
if ( buffer == null )
throw new NullPointerException("buffer");
if ( !buffer.isDirect() )
if ( LWJGLUtil.CHECKS && !buffer.isDirect() )
throw new IllegalArgumentException("bytebuffer must be direct");
mo.preventGC = buffer;
if ( align <= 0 )
if ( LWJGLUtil.CHECKS && align <= 0 )
throw new IllegalArgumentException("invalid alignment");
mo.align = align;
if ( sizeof % align != 0 )
if ( LWJGLUtil.CHECKS && (sizeof <= 0 || sizeof % align != 0) )
throw new IllegalStateException("sizeof not a multiple of alignment");
mo.sizeof = sizeof;
long addr = MappedObjectUnsafe.getBufferBaseAddress(buffer) + buffer.position();
if ( addr % align != 0 )
long addr = MemoryUtil.getAddress(buffer);
if ( LWJGLUtil.CHECKS && addr % align != 0 )
throw new IllegalStateException("buffer address not aligned on " + align + " bytes");
mo.baseAddress = mo.viewAddress = addr;
}
public static void checkAddress(MappedObject mapped, long viewAddress) {
mapped.checkAddress(viewAddress);
}
public static void put_views(MappedSet2 set, int view) {
set.view(view);
}
@ -87,6 +92,14 @@ public class MappedHelper {
return (int)(mapped.viewAddress - mapped.baseAddress) / sizeof;
}
public static void put_view_shift(MappedObject mapped, int view, int sizeof_shift) {
mapped.setViewAddress(mapped.baseAddress + (view << sizeof_shift));
}
public static int get_view_shift(MappedObject mapped, int sizeof_shift) {
return ((int)(mapped.viewAddress - mapped.baseAddress)) >> sizeof_shift;
}
public static void put_view_next(MappedObject mapped, int sizeof) {
mapped.setViewAddress(mapped.viewAddress + sizeof);
}
@ -130,38 +143,70 @@ public class MappedHelper {
MappedObjectUnsafe.INSTANCE.putByte(addr, value);
}
public static void bput(MappedObject mapped, byte value, int fieldOffset) {
MappedObjectUnsafe.INSTANCE.putByte(mapped.viewAddress + fieldOffset, value);
}
public static byte bget(long addr) {
return MappedObjectUnsafe.INSTANCE.getByte(addr);
}
public static byte bget(MappedObject mapped, int fieldOffset) {
return MappedObjectUnsafe.INSTANCE.getByte(mapped.viewAddress + fieldOffset);
}
// short
public static void sput(short value, long addr) {
MappedObjectUnsafe.INSTANCE.putShort(addr, value);
}
public static void sput(MappedObject mapped, short value, int fieldOffset) {
MappedObjectUnsafe.INSTANCE.putShort(mapped.viewAddress + fieldOffset, value);
}
public static short sget(long addr) {
return MappedObjectUnsafe.INSTANCE.getShort(addr);
}
public static short sget(MappedObject mapped, int fieldOffset) {
return MappedObjectUnsafe.INSTANCE.getShort(mapped.viewAddress + fieldOffset);
}
// char
public static void cput(char value, long addr) {
MappedObjectUnsafe.INSTANCE.putChar(addr, value);
}
public static void cput(MappedObject mapped, char value, int fieldOffset) {
MappedObjectUnsafe.INSTANCE.putChar(mapped.viewAddress + fieldOffset, value);
}
public static char cget(long addr) {
return MappedObjectUnsafe.INSTANCE.getChar(addr);
}
public static char cget(MappedObject mapped, int fieldOffset) {
return MappedObjectUnsafe.INSTANCE.getChar(mapped.viewAddress + fieldOffset);
}
// int
public static void iput(int value, long addr) {
MappedObjectUnsafe.INSTANCE.putInt(addr, value);
}
public static int iget(long addr) {
return MappedObjectUnsafe.INSTANCE.getInt(addr);
public static void iput(MappedObject mapped, int value, int fieldOffset) {
MappedObjectUnsafe.INSTANCE.putInt(mapped.viewAddress + fieldOffset, value);
}
public static int iget(long address) {
return MappedObjectUnsafe.INSTANCE.getInt(address);
}
public static int iget(MappedObject mapped, int fieldOffset) {
return MappedObjectUnsafe.INSTANCE.getInt(mapped.viewAddress + fieldOffset);
}
// float
@ -170,28 +215,52 @@ public class MappedHelper {
MappedObjectUnsafe.INSTANCE.putFloat(addr, value);
}
public static void fput(MappedObject mapped, float value, int fieldOffset) {
MappedObjectUnsafe.INSTANCE.putFloat(mapped.viewAddress + fieldOffset, value);
}
public static float fget(long addr) {
return MappedObjectUnsafe.INSTANCE.getFloat(addr);
}
public static float fget(MappedObject mapped, int fieldOffset) {
return MappedObjectUnsafe.INSTANCE.getFloat(mapped.viewAddress + fieldOffset);
}
// long
public static void jput(long value, long addr) {
MappedObjectUnsafe.INSTANCE.putLong(addr, value);
}
public static void jput(MappedObject mapped, long value, int fieldOffset) {
MappedObjectUnsafe.INSTANCE.putLong(mapped.viewAddress + fieldOffset, value);
}
public static long jget(long addr) {
return MappedObjectUnsafe.INSTANCE.getLong(addr);
}
public static long lget(MappedObject mapped, int fieldOffset) {
return MappedObjectUnsafe.INSTANCE.getLong(mapped.viewAddress + fieldOffset);
}
// double
public static void dput(double value, long addr) {
MappedObjectUnsafe.INSTANCE.putDouble(addr, value);
}
public static void dput(MappedObject mapped, double value, int fieldOffset) {
MappedObjectUnsafe.INSTANCE.putDouble(mapped.viewAddress + fieldOffset, value);
}
public static double dget(long addr) {
return MappedObjectUnsafe.INSTANCE.getDouble(addr);
}
public static double dget(MappedObject mapped, int fieldOffset) {
return MappedObjectUnsafe.INSTANCE.getDouble(mapped.viewAddress + fieldOffset);
}
}

View File

@ -32,6 +32,7 @@
package org.lwjgl.util.mapped;
import org.lwjgl.LWJGLUtil;
import org.lwjgl.MemoryUtil;
import java.nio.BufferOverflowException;
import java.nio.ByteBuffer;
@ -93,7 +94,7 @@ public class MappedObject {
}
final void checkAddress(final long address) {
final long base = MappedObjectUnsafe.getBufferBaseAddress(preventGC);
final long base = MemoryUtil.getAddress0(preventGC);
final int offset = (int)(address - base);
if ( address < base || preventGC.capacity() < (offset + this.sizeof) )
throw new IndexOutOfBoundsException(Integer.toString(offset / sizeof));
@ -103,7 +104,7 @@ public class MappedObject {
if ( bytes < 0 )
throw new IllegalArgumentException();
if ( preventGC.capacity() < (viewAddress - MappedObjectUnsafe.getBufferBaseAddress(preventGC) + bytes) )
if ( preventGC.capacity() < (viewAddress - MemoryUtil.getAddress0(preventGC) + bytes) )
throw new BufferOverflowException();
}
@ -155,7 +156,7 @@ public class MappedObject {
/**
* Creates an identical new MappedObject instance, comparable to the
* contract of {@link ByteBuffer#duplicate}. This is useful when more than one
* contract of {@link java.nio.ByteBuffer#duplicate}. This is useful when more than one
* views of the mapped object are required at the same time, e.g. in
* multithreaded access.
*/
@ -166,7 +167,7 @@ public class MappedObject {
/**
* Creates a new MappedObject instance, with a base offset equal to
* the offset of the current view, comparable to the contract of {@link ByteBuffer#slice}.
* the offset of the current view, comparable to the contract of {@link java.nio.ByteBuffer#slice}.
*/
public final <T extends MappedObject> T slice() {
// any method that calls this method will have its call-site modified
@ -188,6 +189,11 @@ public class MappedObject {
throw new InternalError("type not registered");
}
/** Moves the current view to the next element. Non-transformed implementation for MappedSets. */
final void nextSet() {
setViewAddress(viewAddress + sizeof);
}
/**
* Copies and amount of <code>SIZEOF</code> bytes, from the current
* mapped object, to the specified mapped object.
@ -220,10 +226,16 @@ public class MappedObject {
return new MappedForeach<T>(mapped, elementCount);
}
@SuppressWarnings("unused")
public final <T extends MappedObject> T[] asArray() {
// any method that calls this method will have its call-site modified
throw new InternalError("type not registered");
}
ByteBuffer preventGC;
/**
* Returns the {@link ByteBuffer} that backs this mapped object.
* Returns the {@link java.nio.ByteBuffer} that backs this mapped object.
*
* @return the backing buffer
*/

View File

@ -117,7 +117,7 @@ public class MappedObjectClassLoader extends URLClassLoader {
byte[] bytecode = readStream(this.getResourceAsStream(className.concat(".class")));
long t0 = System.nanoTime();
bytecode = MappedObjectTransformer.transformFieldAccess(className, bytecode);
bytecode = MappedObjectTransformer.transformMappedAPI(className, bytecode);
long t1 = System.nanoTime();
total_time_transforming += (t1 - t0);

File diff suppressed because it is too large Load Diff

View File

@ -32,7 +32,7 @@
package org.lwjgl.util.mapped;
import java.lang.reflect.Field;
import java.nio.Buffer;
import java.lang.reflect.Modifier;
import java.nio.ByteBuffer;
import sun.misc.Unsafe;
@ -49,10 +49,6 @@ public class MappedObjectUnsafe {
private static final long BUFFER_ADDRESS_OFFSET = getObjectFieldOffset(ByteBuffer.class, "address");
private static final long BUFFER_CAPACITY_OFFSET = getObjectFieldOffset(ByteBuffer.class, "capacity");
public static long getBufferBaseAddress(Buffer buffer) {
return INSTANCE.getLong(buffer, BUFFER_ADDRESS_OFFSET);
}
private static final ByteBuffer global = ByteBuffer.allocateDirect(4 * 1024);
static ByteBuffer newBuffer(long address, int capacity) {
@ -75,20 +71,39 @@ public class MappedObjectUnsafe {
type = type.getSuperclass();
}
}
throw new InternalError();
throw new UnsupportedOperationException();
}
private static Unsafe getUnsafeInstance() {
try {
ByteBuffer buffer = ByteBuffer.allocateDirect(1);
Field unsafeField = buffer.getClass().getDeclaredField("unsafe");
unsafeField.setAccessible(true);
Unsafe instance = (Unsafe)unsafeField.get(buffer);
buffer.flip(); // prevented 'buffer' from being gc'ed
return instance;
} catch (Exception exc) {
throw new InternalError();
final Field[] fields = Unsafe.class.getDeclaredFields();
/*
Different runtimes use different names for the Unsafe singleton,
so we cannot use .getDeclaredField and we scan instead. For example:
Oracle: theUnsafe
PERC : m_unsafe_instance
Android: THE_ONE
*/
for ( Field field : fields ) {
if ( !field.getType().equals(Unsafe.class) )
continue;
final int modifiers = field.getModifiers();
if ( !(Modifier.isStatic(modifiers) && Modifier.isFinal(modifiers)) )
continue;
field.setAccessible(true);
try {
return (Unsafe)field.get(null);
} catch (IllegalAccessException e) {
// ignore
}
break;
}
throw new UnsupportedOperationException();
}
}

View File

@ -49,8 +49,8 @@ public class MappedSet2 {
}
public void next() {
this.a.next();
this.b.next();
this.a.nextSet();
this.b.nextSet();
}
}

View File

@ -51,9 +51,9 @@ public class MappedSet3 {
}
public void next() {
this.a.next();
this.b.next();
this.c.next();
this.a.nextSet();
this.b.nextSet();
this.c.nextSet();
}
}

View File

@ -53,9 +53,9 @@ public class MappedSet4 {
}
public void next() {
this.a.next();
this.b.next();
this.c.next();
this.d.next();
this.a.nextSet();
this.b.nextSet();
this.c.nextSet();
this.d.nextSet();
}
}