Example usage for org.lwjgl.opengl GL11 glBindTexture

Introduction

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

Prototype

public static void glBindTexture(@NativeType("GLenum") int target, @NativeType("GLuint") int texture) 

Source Link

Document

Binds the a texture to a texture target.

Usage

From source file:com.opengrave.og.resources.TextureEditable.java

License:Open Source License

@Override
public void bind(int t) {
    GL13.glActiveTexture(t);//from w  ww. j a  va2 s  . c o m
    synchronized (changeList) {
        if (changeList.size() < 10) {
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);

            for (TextureEditableDeferedChanges change : changeList) {
                applyChangeToMainBuffer(change);
                ByteBuffer buf = BufferUtils.createByteBuffer(4);
                buf.put((byte) (255 * change.getColour().z)).put((byte) (255 * change.getColour().y))
                        .put((byte) (255 * change.getColour().x)).put((byte) (255 * change.getColour().w));
                buf.flip();
                GL11.glTexSubImage2D(GL11.GL_TEXTURE_2D, 0, change.getX(), change.getY(), 1, 1, GL12.GL_BGRA,
                        GL11.GL_UNSIGNED_BYTE, buf);
            }
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
        } else {
            // Replace the whole image. There's bound to be better ways
            // around this...
            for (TextureEditableDeferedChanges change : changeList) {
                applyChangeToMainBuffer(change);
            }
            mainBuf.position(0);
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
            Util.checkErr();
            GL11.glTexSubImage2D(GL11.GL_TEXTURE_2D, 0, 0, 0, size, size, GL12.GL_BGRA, GL11.GL_UNSIGNED_BYTE,
                    mainBuf);
            Util.checkErr();
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
            Util.checkErr();

        }
        changeList.clear();
    }
    Util.checkErr();
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    lastTexNum = t;
}

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From source file:com.opengrave.og.resources.TextureEditable.java

License:Open Source License

@Override
public void unbind() {
    GL13.glActiveTexture(lastTexNum);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, 0);
}

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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());// w ww  . jav  a 2s. c om
    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;
}

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

License:BSD License

public void render() {

    GL11.glEnable(GL11.GL_TEXTURE_2D);//from  ww w.  j  a  va 2 s.c  om
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textId); // Bind The Texture

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, verticeAttributesID);

    GL11.glEnableClientState(GL11.GL_VERTEX_ARRAY);
    GL11.glVertexPointer(3, GL11.GL_FLOAT, ATTR_V_STRIDE2_BYTES, ATTR_V_OFFSET_BYTES);

    GL11.glEnableClientState(GL11.GL_NORMAL_ARRAY);
    GL11.glNormalPointer(GL11.GL_FLOAT, ATTR_N_STRIDE2_BYTES, ATTR_N_OFFSET_BYTES);

    GL11.glEnableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
    GL11.glTexCoordPointer(2, GL11.GL_FLOAT, ATTR_T_STRIDE2_BYTES, ATTR_T_OFFSET_BYTES);

    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesID);
    GL11.glDrawElements(GL11.GL_TRIANGLES, indicesCount, GL11.GL_UNSIGNED_INT, 0);

    GL11.glDisableClientState(GL11.GL_VERTEX_ARRAY);
    GL11.glDisableClientState(GL11.GL_NORMAL_ARRAY);
    GL11.glDisableClientState(GL11.GL_TEXTURE_COORD_ARRAY);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
}

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From source file:com.pahimar.ee3.core.handlers.DrawBlockHighlightHandler.java

License:LGPL

public static void renderPulsingQuad(int texture, float maxTransparency) {

    float pulseTransparency = getPulseValue() * maxTransparency / 3000f;

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture);
    Tessellator tessellator = Tessellator.instance;

    GL11.glEnable(GL12.GL_RESCALE_NORMAL);
    GL11.glEnable(GL11.GL_BLEND);//from   w w w .java  2 s.c o m
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glColor4f(1, 1, 1, pulseTransparency);

    tessellator.startDrawingQuads();
    tessellator.setColorRGBA_F(1, 1, 1, pulseTransparency);

    tessellator.addVertexWithUV(-0.5D, 0.5D, 0F, 0, 1);
    tessellator.addVertexWithUV(0.5D, 0.5D, 0F, 1, 1);
    tessellator.addVertexWithUV(0.5D, -0.5D, 0F, 1, 0);
    tessellator.addVertexWithUV(-0.5D, -0.5D, 0F, 0, 0);

    tessellator.draw();
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL12.GL_RESCALE_NORMAL);
}

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From source file:com.redthirddivision.quad.rendering.materials.Texture.java

License:Apache License

public void bind(int samplerSlot) {
    try {/*from   w  w  w.j  av  a 2 s  .c o m*/
        assert (samplerSlot >= 0 && samplerSlot <= 31);
        GL13.glActiveTexture(GL13.GL_TEXTURE0 + samplerSlot);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, manager.getID());
    } catch (Exception e) {
        System.err.println("Could not bind texture: " + file);
        System.exit(1);
    }
}

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From source file:com.redthirddivision.quad.rendering.materials.Texture.java

License:Apache License

private TextureManager loadTexture(String path, String root) {

    //        String[] splitArray = path.split("\\.");
    //        String extension = splitArray[splitArray.length - 1];
    File file = null;// www .  j  a v a2s  . c  o  m
    BufferedImage image = null;
    System.out.println("Attempting to load a new texture: <" + root + "/" + path + ">");
    file = new File(root + "/" + path + ".png");
    try {
        image = ImageIO.read(file);
    } catch (IOException e) {
        System.err.println("Could not find texture: <" + root + "/" + path + ">");
        return textures.get(MISSING_TEXTURE_FILE);
    }
    try {
        int[] pixels = image.getRGB(0, 0, image.getWidth(), image.getHeight(), null, 0, image.getWidth());
        ByteBuffer buffer = Util.createByteBuffer(image.getWidth() * image.getHeight() * 4);
        boolean hasAlpha = image.getColorModel().hasAlpha();
        for (int y = 0; y < image.getHeight(); y++) {
            for (int x = 0; x < image.getWidth(); x++) {
                int pixel = pixels[y * image.getWidth() + x];
                buffer.put((byte) ((pixel >> 16) & 0xFF));
                buffer.put((byte) ((pixel >> 8) & 0xFF));
                buffer.put((byte) ((pixel) & 0xFF));
                if (hasAlpha)
                    buffer.put((byte) ((pixel >> 24) & 0xFF));
                else
                    buffer.put((byte) 0xFF);
            }
        }
        buffer.flip();
        System.out.println("Succesfully loaded texture from file: <" + file.getPath() + ">");

        TextureManager result = new TextureManager();
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, result.getID());

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

        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA8, image.getWidth(), image.getHeight(), 0,
                GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, buffer);
        return result;
    } catch (Exception e) {
        System.err.println("Could not load texture: <" + path + ".png>");
        System.exit(1);
    }
    return null;

}

---

From source file:com.redthirddivision.quad.rendering.renderers.EntityRenderer.java

License:Apache License

protected void prepare(Model model) {
    GL30.glBindVertexArray(model.getVaoID());
    GL20.glEnableVertexAttribArray(0);//from  w w  w.ja v  a 2 s .c  om
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);

    Material material = model.getMaterial();
    shader.loadNumRows(material.getNumRows());
    if (material.hasTransparency())
        Util.disableCulling();
    shader.loadFakeLighting(material.isUseingFakeLighting());
    shader.loadShine(material.getShineDamper(), material.getReflectivity());

    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, model.getMaterial().getTextureID());
}

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From source file:com.redthirddivision.quad.rendering.renderers.GuiRenderer.java

License:Apache License

@Override
public void render(ArrayList<GuiTexture> elements) {
    shader.start();/*from w ww.j a v  a  2  s . co m*/

    GL30.glBindVertexArray(quad.getVaoID());
    GL20.glEnableVertexAttribArray(0);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glDisable(GL11.GL_DEPTH_TEST);
    for (GuiTexture gui : elements) {
        GL13.glActiveTexture(GL13.GL_TEXTURE0);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, gui.getTexture());
        Matrix4f matrix = MathHelper.createTransformationMatrix(gui.getPosition(), gui.getScale(),
                new Vector2f(0, 0));
        shader.loadTransformation(matrix);
        GL11.glDrawArrays(GL11.GL_TRIANGLE_STRIP, 0, quad.getVertexCount());
    }

    GL11.glDisable(GL11.GL_BLEND);
    GL11.glEnable(GL11.GL_DEPTH_TEST);
    GL20.glDisableVertexAttribArray(0);
    GL30.glBindVertexArray(0);

    shader.stop();
}

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From source file:com.redthirddivision.quad.rendering.renderers.TerrainRenderer.java

License:Apache License

private void bindTextures(Terrain terrain) {
    TerrainTexturePack texturePack = terrain.getTexturePack();
    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texturePack.getBackgroundTexture().getTextureID());

    GL13.glActiveTexture(GL13.GL_TEXTURE1);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texturePack.getrTexture().getTextureID());

    GL13.glActiveTexture(GL13.GL_TEXTURE2);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texturePack.getgTexture().getTextureID());

    GL13.glActiveTexture(GL13.GL_TEXTURE3);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texturePack.getbTexture().getTextureID());

    GL13.glActiveTexture(GL13.GL_TEXTURE4);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, terrain.getBlendMap().getTextureID());
}

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