Example usage for org.lwjgl.opengl GL13 glActiveTexture

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL13 glActiveTexture.

Prototype

public static void glActiveTexture(@NativeType("GLenum") int texture) 

Source Link

Document

Selects which texture unit subsequent texture state calls will affect.

Usage

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

License:Open Source License

@Override
public void unbind() {
    GL13.glActiveTexture(lastTexNum);
    GL11.glBindTexture(GL30.GL_TEXTURE_2D_ARRAY, 0);
}

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

License:Open Source License

public static TextureDead create(String location) {
    InputStream in = null;//from   w  w  w  . j  a va 2  s. c  o m
    File f = new File(Resources.cache, location);
    try {
        in = new FileInputStream(f.getAbsolutePath());
    } catch (FileNotFoundException e1) {
        System.out.println("Cannot open file " + f.getAbsolutePath());
        return null;
    }
    PNGDecoder decoder;
    TextureDead textureObject = new TextureDead();
    int texture = -1;
    try {
        decoder = new PNGDecoder(in);
        textureObject.width = decoder.getWidth();
        textureObject.height = decoder.getHeight();
        System.out.println("Width : " + decoder.getWidth() + " Height : " + decoder.getHeight());
        ByteBuffer buf = ByteBuffer.allocateDirect(4 * decoder.getWidth() * decoder.getHeight());
        decoder.decode(buf, decoder.getWidth() * 4, Format.RGBA);
        buf.flip();
        texture = GL11.glGenTextures();
        textureObject.id = texture;
        GL13.glActiveTexture(GL13.GL_TEXTURE0);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture);
        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.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);
        GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, decoder.getWidth(), decoder.getHeight(), 0,
                GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, buf);
        // GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
    } catch (IOException e) {
        new DebugExceptionHandler(e, location);
    } finally {
        try {
            if (in != null) {
                in.close();
            }
        } catch (IOException e) {
        }
    }
    return textureObject;

}

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

License:Open Source License

@Override
public void bind(int t) {
    GL13.glActiveTexture(t);
    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();/*from  w  w  w.j a  va2  s.com*/
                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;
}

---

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.redthirddivision.quad.rendering.materials.Texture.java

License:Apache License

public void bind(int samplerSlot) {
    try {//ww  w  .  j a va2s  .  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.renderers.EntityRenderer.java

License:Apache License

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

    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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From source file:com.samrj.devil.gl.Texture.java

License:Open Source License

/**
 * Temporarily activates the given texture unit, binds this texture to it,
 * then activates whichever unit was active before this method was called.
 * //from  ww w  . j  a v a2s .  c o  m
 * @param texture The OpenGL texture unit enum to bind to.
 * @return This texture.
 */
public final T bind(int texture) {
    if (deleted)
        throw new IllegalStateException("Cannot bind deleted texture.");
    if (texture < GL13.GL_TEXTURE0)
        throw new IllegalArgumentException();
    int old = GL11.glGetInteger(GL13.GL_ACTIVE_TEXTURE);
    GL13.glActiveTexture(texture);
    bind();
    GL13.glActiveTexture(old);
    return getThis();
}

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From source file:com.voxelplugineering.voxelsniper.render.RenderMain.java

License:Open Source License

public void tick() {
    if (!setup) {
        return;//from   w w  w .jav a  2 s  .c  o m
    }
    Camera camera = Standalone.system().getMainCamera();

    // reset view matrix
    viewMatrix.setIdentity();

    // Translate camera
    Vector3f rot = camera.getCameraRot();
    Matrix4f.rotate(rot.x, new Vector3f(1, 0, 0), viewMatrix, viewMatrix);
    Matrix4f.rotate(rot.y, new Vector3f(0, 1, 0), viewMatrix, viewMatrix);
    Matrix4f.rotate(rot.z, new Vector3f(0, 0, 1), viewMatrix, viewMatrix);
    Matrix4f.translate(camera.getCameraPos(), viewMatrix, viewMatrix);

    GL20.glUseProgram(pId);

    // push matrices
    viewMatrix.store(matrix44Buffer);
    matrix44Buffer.flip();
    GL20.glUniformMatrix4(viewMatrixLocation, false, matrix44Buffer);
    modelMatrix.store(matrix44Buffer);
    matrix44Buffer.flip();
    GL20.glUniformMatrix4(modelMatrixLocation, false, matrix44Buffer);
    projectionMatrix.store(matrix44Buffer);
    matrix44Buffer.flip();
    GL20.glUniformMatrix4(projectionMatrixLocation, false, matrix44Buffer);

    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);

    // bind textures
    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.textures.get("block"));

    // render all buffer sections
    buffer.renderSections();

    GL20.glUseProgram(0);

    OpenGLUtilities.checkGLError("render main");

    Display.update();
}

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