diff --git a/engine/src/core/com/jme3/texture/Texture3D.java b/engine/src/core/com/jme3/texture/Texture3D.java new file mode 100644 index 000000000..90333b595 --- /dev/null +++ b/engine/src/core/com/jme3/texture/Texture3D.java @@ -0,0 +1,224 @@ +/* + * Copyright (c) 2009-2010 jMonkeyEngine + * 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 'jMonkeyEngine' 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 com.jme3.texture; + +import com.jme3.export.JmeExporter; +import com.jme3.export.JmeImporter; +import com.jme3.export.InputCapsule; +import com.jme3.export.OutputCapsule; +import java.io.IOException; + +/** + * @author Maarten Steur + */ +public class Texture3D extends Texture { + + private WrapMode wrapS = WrapMode.EdgeClamp; + private WrapMode wrapT = WrapMode.EdgeClamp; + private WrapMode wrapR = WrapMode.EdgeClamp; + + /** + * Creates a new two-dimensional texture with default attributes. + */ + public Texture3D() { + super(); + } + + /** + * Creates a new three-dimensional texture using the given image. + * @param img The image to use. + */ + public Texture3D(Image img) { + super(); + setImage(img); + if (img.getFormat().isDepthFormat()) { + setMagFilter(MagFilter.Nearest); + setMinFilter(MinFilter.NearestNoMipMaps); + } + } + + /** + * Creates a new three-dimensional texture for the purpose of offscreen + * rendering. + * + * @see com.jme3.texture.FrameBuffer + * + * @param width + * @param height + * @param depth + * @param format + */ + public Texture3D(int width, int height, int depth, Image.Format format) { + this(new Image(format, width, height, depth, null)); + } + + /** + * Creates a new three-dimensional texture for the purpose of offscreen + * rendering. + * + * @see com.jme3.texture.FrameBuffer + * + * @param width + * @param height + * @param format + * @param numSamples + */ + public Texture3D(int width, int height, int depth, int numSamples, Image.Format format) { + this(new Image(format, width, height, depth, null)); + getImage().setMultiSamples(numSamples); + } + + @Override + public Texture createSimpleClone() { + Texture3D clone = new Texture3D(); + createSimpleClone(clone); + return clone; + } + + @Override + public Texture createSimpleClone(Texture rVal) { + rVal.setWrap(WrapAxis.S, wrapS); + rVal.setWrap(WrapAxis.T, wrapT); + rVal.setWrap(WrapAxis.R, wrapR); + return super.createSimpleClone(rVal); + } + + /** + * setWrap sets the wrap mode of this texture for a + * particular axis. + * + * @param axis + * the texture axis to define a wrapmode on. + * @param mode + * the wrap mode for the given axis of the texture. + * @throws IllegalArgumentException + * if axis or mode are null + */ + public void setWrap(WrapAxis axis, WrapMode mode) { + if (mode == null) { + throw new IllegalArgumentException("mode can not be null."); + } else if (axis == null) { + throw new IllegalArgumentException("axis can not be null."); + } + switch (axis) { + case S: + this.wrapS = mode; + break; + case T: + this.wrapT = mode; + break; + case R: + this.wrapR = mode; + break; + } + } + + /** + * setWrap sets the wrap mode of this texture for all axis. + * + * @param mode + * the wrap mode for the given axis of the texture. + * @throws IllegalArgumentException + * if mode is null + */ + public void setWrap(WrapMode mode) { + if (mode == null) { + throw new IllegalArgumentException("mode can not be null."); + } + this.wrapS = mode; + this.wrapT = mode; + this.wrapR = mode; + } + + /** + * getWrap returns the wrap mode for a given coordinate axis + * on this texture. + * + * @param axis + * the axis to return for + * @return the wrap mode of the texture. + * @throws IllegalArgumentException + * if axis is null + */ + public WrapMode getWrap(WrapAxis axis) { + switch (axis) { + case S: + return wrapS; + case T: + return wrapT; + case R: + return wrapR; + } + throw new IllegalArgumentException("invalid WrapAxis: " + axis); + } + + @Override + public Type getType() { + return Type.ThreeDimensional; + } + + @Override + public boolean equals(Object other) { + if (!(other instanceof Texture3D)) { + return false; + } + Texture3D that = (Texture3D) other; + if (this.getWrap(WrapAxis.S) != that.getWrap(WrapAxis.S)) { + return false; + } + if (this.getWrap(WrapAxis.T) != that.getWrap(WrapAxis.T)) { + return false; + } + if (this.getWrap(WrapAxis.R) != that.getWrap(WrapAxis.R)) { + return false; + } + return super.equals(other); + } + + @Override + public void write(JmeExporter e) throws IOException { + super.write(e); + OutputCapsule capsule = e.getCapsule(this); + capsule.write(wrapS, "wrapS", WrapMode.EdgeClamp); + capsule.write(wrapT, "wrapT", WrapMode.EdgeClamp); + capsule.write(wrapR, "wrapR", WrapMode.EdgeClamp); + } + + @Override + public void read(JmeImporter e) throws IOException { + super.read(e); + InputCapsule capsule = e.getCapsule(this); + wrapS = capsule.readEnum("wrapS", WrapMode.class, WrapMode.EdgeClamp); + wrapT = capsule.readEnum("wrapT", WrapMode.class, WrapMode.EdgeClamp); + wrapR = capsule.readEnum("wrapR", WrapMode.class, WrapMode.EdgeClamp); + } +} \ No newline at end of file diff --git a/engine/src/test/jme3test/texture/TestTexture3D.java b/engine/src/test/jme3test/texture/TestTexture3D.java new file mode 100644 index 000000000..de93f8cec --- /dev/null +++ b/engine/src/test/jme3test/texture/TestTexture3D.java @@ -0,0 +1,103 @@ +/* + * To change this template, choose Tools | Templates + * and open the template in the editor. + */ +package jme3test.texture; + +import com.jme3.app.SimpleApplication; +import com.jme3.bounding.BoundingBox; +import com.jme3.light.PointLight; +import com.jme3.material.Material; +import com.jme3.math.ColorRGBA; +import com.jme3.math.Vector3f; +import com.jme3.scene.Geometry; +import com.jme3.scene.VertexBuffer; +import com.jme3.scene.VertexBuffer.Type; +import com.jme3.scene.VertexBuffer.Usage; +import com.jme3.scene.shape.Sphere; +import com.jme3.texture.Image; +import com.jme3.texture.Image.Format; +import com.jme3.texture.Texture; +import com.jme3.texture.Texture3D; +import com.jme3.util.BufferUtils; +import java.io.IOException; +import java.nio.ByteBuffer; +import java.nio.FloatBuffer; +import java.util.ArrayList; + +public class TestTexture3D extends SimpleApplication { + + public static void main(String[] args) { + TestTexture3D app = new TestTexture3D(); + app.start(); + } + + @Override + public void simpleInitApp() { + //mouseInput.setCursorVisible(true); + flyCam.setMoveSpeed(10); + //creating a sphere + Sphere sphere = new Sphere(32, 32, 1); + //getting the boundingbox + sphere.updateBound(); + BoundingBox bb = (BoundingBox) sphere.getBound(); + Vector3f min = bb.getMin(null); + float[] ext = new float[]{bb.getXExtent() * 2, bb.getYExtent() * 2, bb.getZExtent() * 2}; + //we need to change the UV coordinates (the sphere is assumet to be inside the 3D image box) + sphere.clearBuffer(Type.TexCoord); + VertexBuffer vb = sphere.getBuffer(Type.Position); + FloatBuffer fb = (FloatBuffer) vb.getData(); + float[] uvCoordinates = BufferUtils.getFloatArray(fb); + //now transform the coordinates so that they are in the range of <0; 1> + for (int i = 0; i < uvCoordinates.length; i += 3) { + uvCoordinates[i] = (uvCoordinates[i] - min.x) / ext[0]; + uvCoordinates[i + 1] = (uvCoordinates[i + 1] - min.y) / ext[1]; + uvCoordinates[i + 2] = (uvCoordinates[i + 2] - min.z) / ext[2]; + } + //apply new texture coordinates + VertexBuffer uvCoordsBuffer = new VertexBuffer(Type.TexCoord); + uvCoordsBuffer.setupData(Usage.Static, 3, com.jme3.scene.VertexBuffer.Format.Float, + BufferUtils.createFloatBuffer(uvCoordinates)); + sphere.setBuffer(uvCoordsBuffer); + //create geometry, and apply material and our 3D texture + Geometry g = new Geometry("sphere", sphere); + Material material = new Material(assetManager, "jme3test/texture/tex3D.j3md"); + try { + Texture texture = this.getTexture(); + material.setTexture("Texture", texture); + } catch (IOException e) { + e.printStackTrace(); + } + g.setMaterial(material); + rootNode.attachChild(g); + //add some light so that it is visible + PointLight light = new PointLight(); + light.setColor(ColorRGBA.White); + light.setPosition(new Vector3f(5, 5, 5)); + light.setRadius(20); + rootNode.addLight(light); + light = new PointLight(); + light.setColor(ColorRGBA.White); + light.setPosition(new Vector3f(-5, -5, -5)); + light.setRadius(20); + rootNode.addLight(light); + } + + /** + * This method creates a RGB8 texture with the sizes of 10x10x10 pixels. + */ + private Texture getTexture() throws IOException { + ArrayList data = new ArrayList(1); + ByteBuffer bb = BufferUtils.createByteBuffer(10 * 10 * 10 * 3);//all data must be inside one buffer + for (int i = 0; i < 10; ++i) { + for (int j = 0; j < 10 * 10; ++j) { + bb.put((byte) (255f*i/10f)); + bb.put((byte) (255f*i/10f)); + bb.put((byte) (255f)); + } + } + bb.rewind(); + data.add(bb); + return new Texture3D(new Image(Format.RGB8, 10, 10, 10, data)); + } +} \ No newline at end of file diff --git a/engine/src/test/jme3test/texture/tex3D.frag b/engine/src/test/jme3test/texture/tex3D.frag new file mode 100644 index 000000000..55862acf9 --- /dev/null +++ b/engine/src/test/jme3test/texture/tex3D.frag @@ -0,0 +1,7 @@ +uniform sampler3D m_Texture; + +varying vec3 texCoord; + +void main(){ + gl_FragColor= texture3D(m_Texture,texCoord); +} \ No newline at end of file diff --git a/engine/src/test/jme3test/texture/tex3D.j3md b/engine/src/test/jme3test/texture/tex3D.j3md new file mode 100644 index 000000000..1ba260594 --- /dev/null +++ b/engine/src/test/jme3test/texture/tex3D.j3md @@ -0,0 +1,16 @@ +MaterialDef My MaterialDef { + + MaterialParameters { + Texture3D Texture + } + + Technique { + VertexShader GLSL100: jme3test/texture/tex3D.vert + FragmentShader GLSL100: jme3test/texture/tex3D.frag + + WorldParameters { + WorldViewProjectionMatrix + } + } + +} diff --git a/engine/src/test/jme3test/texture/tex3D.vert b/engine/src/test/jme3test/texture/tex3D.vert new file mode 100644 index 000000000..f91b7b309 --- /dev/null +++ b/engine/src/test/jme3test/texture/tex3D.vert @@ -0,0 +1,11 @@ +uniform mat4 g_WorldViewProjectionMatrix; + +attribute vec3 inTexCoord; +attribute vec3 inPosition; + +varying vec3 texCoord; + +void main(){ + gl_Position = g_WorldViewProjectionMatrix * vec4(inPosition,1.0); + texCoord=inTexCoord; +} \ No newline at end of file