Example usage for org.lwjgl.opengl GL11 glTexImage2D

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glTexImage2D.

Prototype

public static void glTexImage2D(@NativeType("GLenum") int target, @NativeType("GLint") int level,
        @NativeType("GLint") int internalformat, @NativeType("GLsizei") int width,
        @NativeType("GLsizei") int height, @NativeType("GLint") int border, @NativeType("GLenum") int format,
        @NativeType("GLenum") int type, @Nullable @NativeType("void const *") double[] pixels) 

Source Link

Document

Array version of: #glTexImage2D TexImage2D

Usage

From source file:com.xrbpowered.gl.res.textures.BufferTexture.java

License:Open Source License

public void update() {
    if (this.imgBuffer == null)
        createBuffers();/*from  ww w  . j av a  2  s  .c  o  m*/

    if (updateBuffer((Graphics2D) imgBuffer.getGraphics(), width, height)) {
        pixels = imgBuffer.getRGB(0, 0, width, height, pixels, 0, width);
        intBuffer.put(pixels);
        intBuffer.flip();

        GL13.glActiveTexture(GL13.GL_TEXTURE0);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, getId());

        GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL12.GL_BGRA,
                GL12.GL_UNSIGNED_INT_8_8_8_8_REV, intBuffer);
        //         GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D); // TODO needless mipmaps?
    }

    if (!staticBuffers)
        destroyBuffers();
}

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From source file:com.xrbpowered.gl.res.textures.Texture.java

License:Open Source License

protected void put(int targetType, int w, int h, IntBuffer buf) {
    GL11.glTexImage2D(targetType, 0, GL11.GL_RGBA, w, h, 0, GL12.GL_BGRA, GL12.GL_UNSIGNED_INT_8_8_8_8_REV,
            buf);/*from  ww w.  j a v a  2s . c  o m*/
}

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From source file:cuchaz.jfxgl.prism.JFXGLContext.java

License:Open Source License

@Override
public int createTexture(int width, int height) {

    int texId = GL11.glGenTextures();
    if (texId == 0) {
        return 0;
    }/*from w  ww  .j  av  a  2  s .  c o m*/

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texId);

    // make the texture
    clearGLErrors();
    GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA,
            GL11.GL_UNSIGNED_BYTE, 0);

    // if something bad happened, delete the texture
    if (hasGLError()) {
        GL11.glDeleteTextures(texId);
        return 0;
    }

    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);

    return texId;
}

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From source file:cuchaz.jfxgl.prism.JFXGLContext.java

License:Open Source License

@Override
public boolean texImage2D(int target, int level, int internalFormat, int width, int height, int border,
        int format, int type, Buffer pixels, boolean useMipmap) {

    // NOTE: null pixels are allowed

    if (pixels != null && !(pixels instanceof ByteBuffer)) {
        throw new Error(
                "buffer should be a " + ByteBuffer.class.getName() + ", not a " + pixels.getClass().getName());
    }/*from  w  w w  .j  ava2 s. co  m*/
    ByteBuffer buf = (ByteBuffer) pixels;

    if (useMipmap) {
        GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL14.GL_GENERATE_MIPMAP, GL11.GL_TRUE);
    }

    // if buf is not direct, copy it to a direct buffer
    if (buf != null && !buf.isDirect()) {
        imageBuf = updateBuffer(imageBuf, buf);
        buf = imageBuf;
    }

    clearGLErrors();

    GL11.glTexImage2D(translatePrismToGL(target), level, translatePrismToGL(internalFormat), width, height,
            border, translatePrismToGL(format), translatePrismToGL(type), buf);

    int glerror = getGLError();
    boolean hasError = glerror != GL11.GL_NO_ERROR;
    if (hasError) {
        System.err.println(String
                .format("WARNING: couldn't upload texture. glTexImage2D failed with code: 0x%x", glerror));
    }
    return !hasError;
}

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From source file:dataAccess.lwjgl.VAO_Loader.java

public static int loadCubeMap(String... textureFiles) {
    int texID = GL11.glGenTextures();
    GL13.glActiveTexture(texID);//from  w  w w  .  j a  v  a  2  s . co m
    GL11.glBindTexture(GL13.GL_TEXTURE_CUBE_MAP, texID);

    for (int i = 0; i < textureFiles.length; i++) {
        TextureData data = dataAccess.fileLoaders.TextureLoader
                .decodeTextureFile("res/textures/skybox/" + textureFiles[i] + ".png");
        GL11.glTexImage2D(GL13.GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL11.GL_RGBA, data.getWidth(),
                data.getHeight(), 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, data.getBuffer());
    }
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_WRAP_S, GL12.GL_CLAMP_TO_EDGE);
    GL11.glTexParameteri(GL13.GL_TEXTURE_CUBE_MAP, GL11.GL_TEXTURE_WRAP_T, GL12.GL_CLAMP_TO_EDGE);
    textureMap.put("cubeMap", texID);
    return texID;
}

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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, byte r, byte g, byte b, byte a) {
    try {/* ww  w .  ja  v  a  2 s . c om*/
        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;
}

---

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 {// w w w. java2  s  . c om
        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;/*w  ww.  j a  v  a2 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   w  w w .  j av a  2 s  .c om*/

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

License:Apache License

public Texture generateTexture(Image image) {
    Integer textureId = generateTextureId();
    ByteBuffer imageData = prepareImage(image);

    GL11.glEnable(EXTTextureRectangle.GL_TEXTURE_RECTANGLE_EXT);
    GL11.glBindTexture(EXTTextureRectangle.GL_TEXTURE_RECTANGLE_EXT, textureId.intValue());

    GL11.glTexParameteri(EXTTextureRectangle.GL_TEXTURE_RECTANGLE_EXT, GL11.GL_TEXTURE_MIN_FILTER,
            GL11.GL_NEAREST);/* w  w  w  . j  ava2  s  .c  o m*/
    GL11.glTexParameteri(EXTTextureRectangle.GL_TEXTURE_RECTANGLE_EXT, GL11.GL_TEXTURE_MAG_FILTER,
            GL11.GL_NEAREST);
    // GL11.glTexParameteri(EXTTextureRectangle.GL_TEXTURE_RECTANGLE_EXT,
    // GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP);
    // GL11.glTexParameteri(EXTTextureRectangle.GL_TEXTURE_RECTANGLE_EXT,
    // GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP);
    GL11.glTexImage2D(EXTTextureRectangle.GL_TEXTURE_RECTANGLE_EXT, 0,
            (image.hasAlpha()) ? GL11.GL_RGBA8 : GL11.GL_RGB8, image.getWidth(), image.getHeight(), 0,
            (image.hasAlpha()) ? GL11.GL_RGBA : GL11.GL_RGB, GL11.GL_UNSIGNED_BYTE, imageData);

    System.out.println("Texture generated: " + textureId);

    return new Texture(textureId, image);
}

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