Example usage for org.lwjgl.opengl GL11 glPixelStorei

Introduction

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

Prototype

public static void glPixelStorei(@NativeType("GLenum") int pname, @NativeType("GLint") int param) 

Source Link

Document

Sets the integer value of a pixel store parameter.

Usage

From source file:de.ikosa.mars.viewer.glviewer.engine.GLTextureBuilder.java

License:Open Source License

public static GLTexture createEmptyTexture(String name, int width, int height, byte r, byte g, byte b, byte a) {
    try {/*from   w  w  w  .  j  a  va 2 s .c o  m*/
        int textureId = GL11.glGenTextures();

        ByteBuffer buffer = ByteBuffer.allocateDirect(width * height * 4);

        for (int i = 0; i < width * height; i++) {
            buffer.put(r);
            buffer.put(g);
            buffer.put(b);
            buffer.put(a);
        }
        buffer.flip();

        GL13.glActiveTexture(GL13.GL_TEXTURE0);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
        GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
                GL11.GL_UNSIGNED_BYTE, buffer);
        GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);

        GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

        return new GLTexture(name, textureId);
    } catch (Exception e) {
        ML.f(e);
    }
    return null;
}

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From source file:de.ikosa.mars.viewer.glviewer.engine.GLTextureBuilder.java

License:Open Source License

public static GLTexture createEmptyTexture(String name, int width, int height, float initial) {
    try {/* ww w.  j  a  va  2s .  c o m*/
        int textureId = GL11.glGenTextures();

        ByteBuffer buffer = ByteBuffer.allocateDirect(width * height * 4);

        for (int i = 0; i < width * height * 4; i++) {
            buffer.put((byte) 0);
        }
        buffer.flip();

        GL13.glActiveTexture(GL13.GL_TEXTURE0);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
        GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_DEPTH_COMPONENT, width, height, 0,
                GL11.GL_DEPTH_COMPONENT, GL11.GL_FLOAT, buffer);
        GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);

        GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);

        return new GLTexture(name, textureId);
    } catch (Exception e) {
        ML.f(e);
    }
    return null;
}

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From source file:de.ikosa.mars.viewer.glviewer.engine.GLTextureBuilder.java

License:Open Source License

private int createRGBTexture(BufferedImage image, byte[] x) {
    ByteBuffer buffer;//from   w w  w. j a v  a 2 s  .  c  o  m

    buffer = ByteBuffer.allocateDirect(x.length);
    for (int i = 0; i < x.length; i++) {
        buffer.put(x[i]);
    }

    buffer.flip();

    int textureId = GL11.glGenTextures();
    GLRenderer2Stage.errorCheck("generating texture id");

    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GLRenderer2Stage.errorCheck("activating texture image unit");

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
    GLRenderer2Stage.errorCheck("binding 2d texture");

    GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
    GLRenderer2Stage.errorCheck("setting unpack aligment");

    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, image.getWidth(), image.getHeight(), 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, buffer);
    GLRenderer2Stage.errorCheck("storing 2d texture data");

    GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
    GLRenderer2Stage.errorCheck("generating 2d texture array mipmaps");

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    GLRenderer2Stage.errorCheck("unbinding 2d texture array");
    return textureId;
}

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From source file:de.ikosa.mars.viewer.glviewer.engine.GLTextureBuilder.java

License:Open Source License

private int createGrayscaleTexture(BufferedImage image, byte[] x) {
    ShortBuffer buffer;//from  ww w  . ja va  2s .c o m

    buffer = BufferUtils.createShortBuffer(image.getHeight() * image.getWidth());
    for (int i = 0; i < x.length; i += 2) {
        short val = (short) (fromByte(x[i]) + (fromByte(x[i + 1]) << 8));
        buffer.put(val);
    }

    buffer.flip();

    int textureId = GL11.glGenTextures();
    GLRenderer2Stage.errorCheck("generating texture id");

    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GLRenderer2Stage.errorCheck("activating texture image unit");

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureId);
    GLRenderer2Stage.errorCheck("binding 2d texture");

    GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 2);
    GLRenderer2Stage.errorCheck("setting unpack aligment");

    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL30.GL_R16, image.getWidth(), image.getHeight(), 0, GL11.GL_RED,
            GL11.GL_UNSIGNED_SHORT, buffer);
    GLRenderer2Stage.errorCheck("storing 2d texture data");

    GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
    GLRenderer2Stage.errorCheck("generating 2d texture array mipmaps");

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
    GLRenderer2Stage.errorCheck("unbinding 2d texture array");
    return textureId;
}

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From source file:eu.over9000.veya.util.TextureLoader.java

License:Open Source License

public static int loadBlockTexture(final int textureUnit) {

    final InputStream in = TextureLoader.class.getResourceAsStream("/textures/blocks.png");
    ByteBuffer convertedBuffer = null;
    int sourceTexWidth = 0;
    int sourceTexHeight = 0;
    int texCount = 0;

    try {//  w  w  w.  ja  va2s.co m
        // Link the PNG decoder to this stream
        final PNGDecoder decoder = new PNGDecoder(in);

        // Get the width and height of the texture
        sourceTexWidth = decoder.getWidth();
        sourceTexHeight = decoder.getHeight();

        texCount = sourceTexWidth / TextureLoader.TEXTURE_WIDTH
                * (sourceTexHeight / TextureLoader.TEXTURE_WIDTH);

        // Decode the PNG file in a ByteBuffer
        final ByteBuffer buf = ByteBuffer.allocateDirect(4 * decoder.getWidth() * decoder.getHeight());
        decoder.decode(buf, decoder.getWidth() * 4, Format.RGBA);
        buf.flip();

        convertedBuffer = TextureLoader.convertBuffer(buf, sourceTexWidth, sourceTexHeight);

        in.close();

    } catch (final IOException e) {
        e.printStackTrace();
        System.exit(-1);
    }

    // Create a new texture object in memory and bind it
    final int texId = GL11.glGenTextures();
    GL13.glActiveTexture(textureUnit);
    GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, texId);

    // All RGB bytes are aligned to each other and each component is 1 byte
    GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);

    // Upload the texture model and generate mip maps (for scaling)
    // GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGB, tWidth, tHeight, 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, buf);
    GL12.glTexImage3D(GL30.GL_TEXTURE_2D_ARRAY, 0, GL11.GL_RGBA, TextureLoader.TEXTURE_WIDTH,
            TextureLoader.TEXTURE_HEIGHT, texCount, 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, convertedBuffer);
    GL30.glGenerateMipmap(GL30.GL_TEXTURE_2D_ARRAY);

    // Setup the ST coordinate system
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);

    // Setup what to do when the texture has to be scaled
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
    GL11.glTexParameteri(GL30.GL_TEXTURE_2D_ARRAY, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST_MIPMAP_LINEAR);

    org.lwjgl.opengl.Util.checkGLError();

    System.out
            .println("loading block texture, id=" + texId + ", w=" + sourceTexWidth + ", h=" + sourceTexHeight);

    GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, 0);

    return texId;
}

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From source file:fr.guillaume.prive.viper.core.model.texture.PNGTextureLoader.java

public static int loadTexture(String filename, int textureUnit) {
    ByteBuffer buf = null;/*from  ww  w  . jav a  2 s .  c  om*/
    int tWidth = 0;
    int tHeight = 0;

    try (InputStream in = new FileInputStream(filename)) {
        PNGDecoder decoder = new PNGDecoder(in);

        tWidth = decoder.getWidth();
        tHeight = decoder.getHeight();

        buf = ByteBuffer.allocateDirect(4 * decoder.getWidth() * decoder.getHeight());
        decoder.decode(buf, decoder.getWidth() * 4, Format.RGBA);
        buf.flip();
        in.close();
    } catch (IOException e) {
        throw new IllegalStateException("PNG file i/o error", e);
    }

    // Create a new texture object in memory and bind it
    int texId = GL11.glGenTextures();
    GL13.glActiveTexture(textureUnit);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texId);

    // All RGB bytes are aligned to each other and each component is 1 byte
    GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);

    // Upload the texture data and generate mip maps (for scaling)
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA16, tWidth, tHeight, 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, buf);
    GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);

    // Setup the ST coordinate system
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_S, GL11.GL_REPEAT);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_WRAP_T, GL11.GL_REPEAT);

    // Setup what to do when the texture has to be scaled
    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_MIPMAP_LINEAR);

    GraphicMotor.exitOnGLError("loadPNGTexture");

    return texId;
}

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From source file:go.graphics.swing.opengl.LWJGLDrawContext.java

License:Open Source License

@Override
public TextureHandle generateTexture(int width, int height, ShortBuffer data) {
    // 1 byte aligned.
    GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);

    int texture = GL11.glGenTextures();
    if (texture == 0) {
        return null;
    }/*from ww  w  .  j a v a  2  s. co m*/

    //fix strange alpha test problem (minimap and landscape are unaffected)
    ShortBuffer bfr = BufferUtils.createShortBuffer(data.capacity());
    int cap = data.capacity();
    for (int i = 0; i != cap; i++)
        bfr.put(i, data.get(i));

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture);
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
            GL12.GL_UNSIGNED_SHORT_4_4_4_4, bfr);
    setTextureParameters();

    return new LWJGLTextureHandle(this, texture);
}

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From source file:im.bci.jnuit.lwjgl.assets.AssetsLoader.java

License:Open Source License

private Texture loadPngTexture(String name) throws FileNotFoundException, IOException {
    InputStream is = vfs.open(name);
    try {/*from w  w w  . j  a v  a  2  s . co  m*/
        PNGDecoder decoder = new PNGDecoder(is);
        int bpp;
        PNGDecoder.Format format;
        int pixelFormat;
        int texWidth = decoder.getWidth();
        int texHeight = decoder.getHeight();
        boolean hasAlpha = decoder.hasAlpha();
        if (hasAlpha) {
            bpp = 4;
            format = PNGDecoder.Format.RGBA;
            pixelFormat = GL11.GL_RGBA;
        } else {
            bpp = 3;
            format = PNGDecoder.Format.RGB;
            pixelFormat = GL11.GL_RGB;
        }

        int stride = bpp * texWidth;
        ByteBuffer buffer = ByteBuffer.allocateDirect(stride * texHeight);
        decoder.decode(buffer, stride, format);
        buffer.flip();
        Texture texture = new Texture(texWidth, texHeight, hasAlpha);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture.getId());
        GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
        LwjglHelper.setupGLTextureParams();
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, pixelFormat, texWidth, texHeight, 0, pixelFormat,
                GL11.GL_UNSIGNED_BYTE, buffer);
        return texture;
    } finally {
        is.close();
    }
}

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From source file:im.bci.jnuit.lwjgl.assets.AssetsLoader.java

License:Open Source License

private Texture loadJpegTexture(String name) throws IOException {
    InputStream is = vfs.open(name);
    try {/*w  w w.  j a  va2  s  .  c  o m*/
        JPEGDecoder decoder = new JPEGDecoder(is);
        decoder.startDecode();
        int texWidth = decoder.getImageWidth();
        int texHeight = decoder.getImageHeight();
        int stride = 3 * texWidth;
        ByteBuffer buffer = ByteBuffer.allocateDirect(stride * texHeight);
        decoder.decode(buffer, stride, decoder.getNumMCURows(), YUVtoRGB.instance);
        buffer.flip();
        Texture texture = new Texture(texWidth, texHeight, false);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture.getId());
        GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
        LwjglHelper.setupGLTextureParams();
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGB, texWidth, texHeight, 0, GL11.GL_RGB,
                GL11.GL_UNSIGNED_BYTE, buffer);
        return texture;
    } finally {
        is.close();
    }
}

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From source file:io.root.gfx.glutils.GL.java

License:Apache License

public static void glPixelStorei(int pname, int param) {
    GL11.glPixelStorei(pname, param);
}

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