Example usage for org.lwjgl.opengl GL11 glGenTextures

List of usage examples for org.lwjgl.opengl GL11 glGenTextures

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Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glGenTextures.

Prototype

public static void glGenTextures(@NativeType("GLuint *") int[] textures)

Source Link

Document

Array version of: #glGenTextures GenTextures

Usage

From source file:com.github.begla.blockmania.world.horizon.Skysphere.java

License:Apache License

private void initTextures() {
    if (_textureIds == null) {
        _textureIds = BufferUtils.createIntBuffer(2);
        GL11.glGenTextures(_textureIds);
    }
}

From source file:com.golden.gamedev.engine.lwjgl.TextureLoader.java

License:Open Source License

/**
 * Create a new texture ID/*from w  ww .ja va  2  s  .c o  m*/
 * 
 * @return A new texture ID
 */
private int createTextureID() {
    GL11.glGenTextures(this.textureIDBuffer);
    return this.textureIDBuffer.get(0);
}

From source file:com.grillecube.client.opengl.GLH.java

/** create opengl textures ID */
public static GLTexture glhGenTexture() {
    IntBuffer buffer = BufferUtils.createIntBuffer(1);
    GL11.glGenTextures(buffer);
    GLTexture texture = new GLTexture(buffer.get());
    GLH.glhAddObject(texture);/*from w w w  . j a va  2s.c o  m*/
    return (texture);
}

From source file:com.owens.oobjloader.lwjgl.TextureLoader.java

License:BSD License

public int convertToTexture(BufferedImage img) {
    int[] pixels = new int[img.getWidth() * img.getHeight()];
    PixelGrabber grabber = new PixelGrabber(img, 0, 0, img.getWidth(), img.getHeight(), pixels, 0,
            img.getWidth());//from w  w w .  j av a  2 s.  co  m
    try {
        grabber.grabPixels();
    } catch (InterruptedException e) {
        log.log(SEVERE, "InterruptedException while trying to grab pixels, e=" + e);
        e.printStackTrace();
        return -1;
    }

    int bufLen = 0;
    bufLen = pixels.length * 4;

    ByteBuffer oglPixelBuf = BufferUtils.createByteBuffer(bufLen);

    for (int y = img.getHeight() - 1; y >= 0; y--) {
        for (int x = 0; x < img.getWidth(); x++) {
            int pixel = pixels[y * img.getWidth() + x];
            oglPixelBuf.put((byte) ((pixel >> 16) & 0xFF));
            oglPixelBuf.put((byte) ((pixel >> 8) & 0xFF));
            oglPixelBuf.put((byte) ((pixel >> 0) & 0xFF));
            oglPixelBuf.put((byte) ((pixel >> 24) & 0xFF));
        }
    }

    oglPixelBuf.flip();

    ByteBuffer temp = ByteBuffer.allocateDirect(4);
    temp.order(ByteOrder.nativeOrder());
    IntBuffer textBuf = temp.asIntBuffer();
    GL11.glGenTextures(textBuf);
    int textureID = textBuf.get(0);

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureID);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexEnvf(GL11.GL_TEXTURE_ENV, GL11.GL_TEXTURE_ENV_MODE, GL11.GL_MODULATE);

    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, TEXTURE_LEVEL, GL11.GL_RGBA8, img.getWidth(), img.getHeight(), 0,
            GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, oglPixelBuf);

    return textureID;
}

From source file:edu.csun.ecs.cs.multitouchj.ui.graphic.image.TextureHandler.java

License:Apache License

private Integer generateTextureId() {
    textureIdBuffer.clear();//from  w w  w  . j  a  va 2  s.  c  om
    GL11.glGenTextures(textureIdBuffer);

    System.out.println("Generating texture id: " + textureIdBuffer.get(0));

    return new Integer(textureIdBuffer.get());
}

From source file:espresso3d.engine.fileloaders.E3DImageLoader.java

License:Open Source License

public static E3DTexture loadImageIntoGL(E3DEngine engine, String textureName, Image image) {
    // Extract The Image
    BufferedImage tex = new BufferedImage(image.getWidth(null), image.getHeight(null),
            BufferedImage.TYPE_3BYTE_BGR);

    Graphics2D g = (Graphics2D) tex.getGraphics();
    g.drawImage(image, null, null);// www.j av a  2  s.c om
    g.dispose();

    // Flip Image
    AffineTransform tx = AffineTransform.getScaleInstance(1, -1);
    tx.translate(0, -image.getHeight(null));
    AffineTransformOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
    tex = op.filter(tex, null);

    // Put Image In Memory
    ByteBuffer scratch = ByteBuffer.allocateDirect(4 * tex.getWidth() * tex.getHeight());

    byte data[] = (byte[]) tex.getRaster().getDataElements(0, 0, tex.getWidth(), tex.getHeight(), null);
    scratch.clear();
    scratch.put(data);
    scratch.rewind();

    // Create A IntBuffer For Image Address In Memory   
    IntBuffer buf = ByteBuffer.allocateDirect(4).order(ByteOrder.nativeOrder()).asIntBuffer();
    GL11.glGenTextures(buf); // Create Texture In OpenGL   

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, buf.get(0));
    // Typical Texture Generation Using Data From The Image

    // Linear Filtering
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    // Linear Filtering
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    // Generate The Texture
    GLU.gluBuild2DMipmaps(GL11.GL_TEXTURE_2D, 3, tex.getWidth(), tex.getHeight(), GL11.GL_RGB,
            GL11.GL_UNSIGNED_BYTE, scratch);
    //      GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGB, tex.getWidth(), tex.getHeight(), 0, GL11.GL_RGB, GL11.GL_UNSIGNED_BYTE, scratch);

    E3DTexture texture = new E3DTexture(engine, textureName, buf.get(0));
    texture.setWidth(image.getWidth(null));
    texture.setHeight(image.getHeight(null));

    return texture; // Return Image Address In Memory       
}

From source file:fi.conf.ae.gl.texture.GLTextureRoutines.java

License:LGPL

/**
 * Request unused OpenGL texture ID's./*from w w w.  j a  v a2  s . co  m*/
 * 
 * @param count - How many texture IDs are being requested.
 * @return Requested texture ID's as integer array.
 */
public static int[] allocateGLTextureIDs(int count) {
    if (count > textureIDbuffer.capacity()) {
        allocateNewTextureIDBuffer(count);
    }

    textureIDbuffer.clear();
    textureIDbuffer.limit(count);

    GL11.glGenTextures(textureIDbuffer);

    int[] textureIDs = new int[count];

    for (int i = 0; i < count; i++) {
        if (!textureIDbuffer.hasRemaining())
            break;
        textureIDs[i] = textureIDbuffer.get();

        // preset this texture's minification and magnification filter
        int prevTextureID = bindTexture(textureIDs[i]);
        //         GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
        //         GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);

        bindTexture(prevTextureID);
    }

    return textureIDs;
}

From source file:fi.conf.prograts.ar.gl.GLTextureRoutines.java

License:LGPL

/**
 * Request unused OpenGL texture ID's.//w w w . j a  va 2  s .  c om
 * 
 * @param count - How many texture IDs are being requested.
 * @return Requested texture ID's as integer array.
 */
public static int[] allocateGLTextureIDs(int count) {
    if (count > textureIDbuffer.capacity()) {
        allocateNewTextureIDBuffer(count);
    }

    textureIDbuffer.clear();
    textureIDbuffer.limit(count);

    GL11.glGenTextures(textureIDbuffer);

    int[] textureIDs = new int[count];

    for (int i = 0; i < count; i++) {
        if (!textureIDbuffer.hasRemaining())
            break;
        textureIDs[i] = textureIDbuffer.get();

        // preset this texture's minification and magnification filter
        int prevTextureID = bindTexture(textureIDs[i]);
        //         GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
        //         GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
        bindTexture(prevTextureID);
    }

    return textureIDs;
}

From source file:illarion.graphics.lwjgl.TextureAtlasLWJGL.java

License:Open Source License

/**
 * Get a new texture ID from the OpenGL system. This also registers the
 * texture in the openGL environment, so it can be used right away.
 * //  ww w  . j  a  va 2 s  .  c o m
 * @return the generated openGL texture ID
 */
private static int getNewTextureID() {
    texIDBuffer.rewind();
    GL11.glGenTextures(texIDBuffer);
    return texIDBuffer.get(0);
}

From source file:im.bci.jnuit.lwjgl.animation.NanimationImage.java

License:Open Source License

public NanimationImage(boolean alpha) {
    ByteBuffer temp = ByteBuffer.allocateDirect(4);
    temp.order(ByteOrder.nativeOrder());
    IntBuffer intBuffer = temp.asIntBuffer();
    GL11.glGenTextures(intBuffer);
    id = intBuffer.get(0);/*from  w  w w .  j a  v a 2s.c om*/
    this.alpha = alpha;
}