Example usage for org.lwjgl.opengl GL13 glActiveTexture

List of usage examples for org.lwjgl.opengl GL13 glActiveTexture

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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:jake2.desktop.LWJGLAdapter.java

License:Open Source License

@Override
public void glActiveTexture(int texture) {
    GL13.glActiveTexture(texture);
}

From source file:jpcsp.graphics.RE.RenderingEngineLwjgl.java

License:Open Source License

@Override
public void setActiveTexture(int index) {
    GL13.glActiveTexture(GL13.GL_TEXTURE0 + index);
}

From source file:main.EntityRenderer.java

private void prepareTextureModel(TextureModel model) {
    RawModel rawModel = model.getRawModel();
    GL30.glBindVertexArray(rawModel.getVaoId());
    GL20.glEnableVertexAttribArray(0);/*from   w w  w.j  a v a 2  s  .co  m*/
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);
    ModelTexture texture = model.getTexture();
    shader.loadShineVariables(texture.getShineDamper(), texture.getReflectivity());
    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, model.getTexture().getTextureId());
}

From source file:main.java.com.YeAJG.game.entity.Entity.java

License:Open Source License

@Override
public void Render(float interpolation) {

    GL20.glUseProgram(pId);//  w  w w  . j a  v  a 2  s.  co m

    // Bind the texture
    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texId);

    // Bind to the VAO that has all the information about the vertices
    GL30.glBindVertexArray(vaoId);
    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);

    // Bind to the index VBO that has all the information about the order of the vertices
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);

    // Draw the vertices
    GL11.glDrawElements(GL11.GL_TRIANGLES, indicesCount, GL11.GL_UNSIGNED_BYTE, 0);

    // Put everything back to default (deselect)
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);
    GL30.glBindVertexArray(0);

    GL20.glUseProgram(0);

    Game.exitOnGLError("renderCycle");
}

From source file:main.java.com.YeAJG.game.io.FileIOHandler.java

License:Open Source License

public static int loadPNGTexture(String filename, int textureUnit) throws IOException {
    ByteBuffer buf = null;// w  ww  .jav a  2s.co  m
    int tWidth = 0;
    int tHeight = 0;

    try {
        // Open the PNG file as an InputStream
        InputStream in = new FileInputStream(filename);
        // Link the PNG decoder to this stream
        PNGDecoder decoder = new PNGDecoder(in);

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

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

        in.close();
    } catch (IOException e) {
        throw new IOException(e.getMessage());
    }

    // 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_RGBA, 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_LINEAR);
    GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR_MIPMAP_LINEAR);

    Game.exitOnGLError("loadPNGTexture");

    return texId;
}

From source file:main.TerrainRenderer.java

private void prepareTerrain(Terrain terrain) {
    RawModel rawModel = terrain.getModel();
    GL30.glBindVertexArray(rawModel.getVaoId());
    GL20.glEnableVertexAttribArray(0);/*w  w w.j a  v a 2  s.  c om*/
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);
    ModelTexture texture = terrain.getTexture();
    shader.loadShineVariables(texture.getShineDamper(), texture.getReflectivity());
    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texture.getTextureId());
}

From source file:me.sunchiro.game.engine.gl.Graphic.java

License:Open Source License

private synchronized void render() {
    GL11.glClearColor(bgColor.x, bgColor.y, bgColor.z, 0);
    GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
    GL20.glUseProgram(shader.getPID());//from   www .  ja va 2s  .  c om
    //

    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL30.glBindVertexArray(vaoId);

    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);
    GL20.glEnableVertexAttribArray(2);

    GL11.glBindTexture(GL11.GL_TEXTURE_2D, texManager.getTexture(tid));
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, vboiId);
    long offset = 0;
    int shift = 0;
    GL11.glAlphaFunc(GL11.GL_GREATER, 0.4f);
    GL11.glDisable(GL11.GL_CULL_FACE);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

    for (Drawable object : objects) {
        Matrix4f finalMVP = new Matrix4f(mvpMat);
        Matrix4f modelMat = new Matrix4f();
        Matrix4f scaler = new Matrix4f();
        scaler.scale(object.scale * allScale);
        modelMat.translate(object.translation);
        modelMat.rotateXYZ(object.rotation.x, object.rotation.y, object.rotation.z);
        finalMVP.mul(modelMat);
        finalMVP.mul(scaler);
        finalMVP.get(0, matBuff);
        if (object.isChar) {
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, texManager.getTexture(tid_charmap));
        }
        GL20.glUniformMatrix4fv(shader.getMVPLocation(), false, matBuff);
        GL20.glUniform1i(shader.getInverseLocation(), object.inverseAlpha ? 1 : 0);
        if (object.isVisible())
            GL32.glDrawElementsBaseVertex(GL11.GL_TRIANGLES, object.getIndices().length, GL11.GL_UNSIGNED_BYTE,
                    offset, shift);

        offset += object.getIndices().length;
        shift += object.getVertex().length;
        if (object.isChar) {
            GL11.glBindTexture(GL11.GL_TEXTURE_2D, texManager.getTexture(tid));
        }
    }
    render2d(offset, shift);
    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
    GL20.glDisableVertexAttribArray(0);
    GL20.glDisableVertexAttribArray(1);
    GL20.glDisableVertexAttribArray(2);
    GL30.glBindVertexArray(0);
    //
    GL20.glUseProgram(0);
    glfwSwapBuffers(window);
    glfwPollEvents();

}

From source file:me.thehutch.fusion.engine.render.opengl.gl20.OpenGL20Texture.java

License:Open Source License

@Override
public void bind(int unit) {
    ensureCreated("Texture must be created to bind.");
    // Active the texture unit
    if (unit >= 0) {
        GL13.glActiveTexture(GL_TEXTURE0 + unit);
    }/*  w  ww  .j av a 2  s. c  o m*/
    GL11.glBindTexture(GL_TEXTURE_2D, id);
}

From source file:net.betabears.the2dlibrary.graphics.Image.java

/**
 * Binds this image and prepares rendering. Make sure to call
 * glEnable(GL_TEXTURE_2D) before./*w  ww .j  av  a 2 s  . c om*/
 */
public void bind() {
    GL13.glActiveTexture(GL13.GL_TEXTURE0);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
    GL33.glBindSampler(0, samplerID);
}

From source file:net.smert.frameworkgl.opengl.helpers.TextureHelper.java

License:Apache License

public void activeTexture(int textureunit) {
    GL13.glActiveTexture(textureunit);
}