Example usage for org.lwjgl.opengl GL20 glEnableVertexAttribArray

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL20 glEnableVertexAttribArray.

Prototype

public static void glEnableVertexAttribArray(@NativeType("GLuint") int index)

Source Link

Document

Enables a generic vertex attribute array.

Usage

From source file:uk.co.ifs_studios.engine.geometry.BasicDrawElement.java

License:Open Source License

/**
 * Render DrawElement.//  w  w  w  .ja v  a 2 s.  c o m
 */
public void render() {
    this.shader.getShaderProgram().use();

    Engine.getInstance().getWindow().getProjectionMatrix().store(this.matrixBuffer);
    this.matrixBuffer.flip();
    GL20.glUniformMatrix4(this.shader.getProjectionMatrixLocation(), false, this.matrixBuffer);

    Engine.getInstance().getGame().getCurrentState().getCamera().getViewMatrix().store(this.matrixBuffer);
    this.matrixBuffer.flip();
    GL20.glUniformMatrix4(this.shader.getViewMatrixLocation(), false, this.matrixBuffer);

    this.modelMatrix.store(this.matrixBuffer);
    this.matrixBuffer.flip();
    GL20.glUniformMatrix4(this.shader.getModelMatrixLocation(), false, this.matrixBuffer);

    GL30.glBindVertexArray(this.vao);
    GL20.glEnableVertexAttribArray(0);
    GL20.glEnableVertexAttribArray(1);

    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, this.ibo);

    GL11.glDrawElements(GL11.GL_TRIANGLES, this.indiceCount, GL11.GL_UNSIGNED_BYTE, 0);

    GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);

    GL20.glDisableVertexAttribArray(0);
    GL30.glBindVertexArray(0);

    this.shader.getShaderProgram().unuse();
}

From source file:vertigo.graphics.lwjgl.LWJGLAttribute.java

License:Open Source License

public void bindVBO(ArrayList<BO> buffer, int i) {
    for (BO bo : buffer) {
        VBO vbo = (VBO) bo;//w  w  w. jav a  2 s  . c  o  m
        if (compare(vbo)) {

            GL20.glGetAttribLocation(this.handle, name);
            GL20.glEnableVertexAttribArray(i); //set the vertex's position

            //  GL20.glenableVertexAttribArray(shaderProgram.vertexPositionAttribute);
            GL20.glVertexAttribPointer(i, vbo.capacity(), false, getSize(name), vbo.getFloatBuffer());
            ShaderUtils.useShader(this.handle);
        }
    }

}

From source file:vertigo.graphics.lwjgl.LWJGL_Renderer.java

License:Open Source License

private void drawShape(Shape obj) {
    // Geometry: VBO and IBO
    if (obj.isDirty(Node.VBO)) {
        processBO(obj);/*from   www  .j a v a 2s  .  c  o m*/
        obj.setDirty(Node.VBO, false);
    }

    ShaderProg glshader = obj.getMaterial().getShaderMaterial();
    GL20.glUseProgram(glshader.getHandle());

    updateUniform();
    VBO vbo = null;

    for (Attribute attrib : attribute) {
        if (vbo.getType().equals(attrib.getType())) {
            int alocation = GL20.glGetAttribLocation(glshader.getHandle(), attrib.getName());
            GL20.glEnableVertexAttribArray(alocation);
            GL20.glVertexAttribPointer(alocation, attrib.getSize(), GL11.GL_FLOAT, false, vbo.getStride() << 2,
                    0L);
        }
    }

    if (isIndexed) {
        // draw with index
        GL11.glDrawElements(getOpenGLStyle(obj.getDrawingStyle()), /* elements */ ibo.getSize(),
                GL_UNSIGNED_INT, 0L);
        GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
        GL11.glDisableClientState(GL11.GL_VERTEX_ARRAY);
        GL20.glDisableVertexAttribArray(0);
    } else {
        // draw without index
        GL11.glDrawArrays(getOpenGLStyle(obj.getDrawingStyle()), 0, capacity / vbo3f.getStride());
        GL20.glDisableVertexAttribArray(0);
        GL30.glBindVertexArray(0);
    }

    GL20.glUseProgram(0);
}

From source file:wrapper.vbo.Vbo.java

License:Open Source License

public void render() {
    if (vertid != -1) {

        shader.bind();/*from  w  w w. j  ava2  s .  c  o m*/
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, texid);
        GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vertid);
        GL20.glEnableVertexAttribArray(vertexattrib);
        GL20.glEnableVertexAttribArray(textureattrib);
        GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vertid);
        GL20.glVertexAttribPointer(vertexattrib, 3, GL11.GL_FLOAT, false, 0, 0);
        GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, texcoordid);
        GL20.glVertexAttribPointer(textureattrib, 2, GL11.GL_FLOAT, false, 0, 0);
        GL20.glUniform3f(rotationuniform, rotation_x, rotation_y, rotation_z);
        GL20.glUniform3f(transformuniform, transformation.x, transformation.y, transformation.z);
        GL11.glDrawArrays(GL11.GL_TRIANGLES, 0, vertcount);

        GL20.glDisableVertexAttribArray(vertexattrib);
        GL20.glDisableVertexAttribArray(textureattrib);

        GL11.glEnable(GL11.GL_BLEND);
        shader.unbind();
    } else {

        System.out.println("Error no bound vertid");
        return;
    }

}

From source file:wrath.client.graphics.Model.java

License:Open Source License

@Override
public void renderSetup() {
    GL30.glBindVertexArray(vao);//from  w ww . jav  a 2s.  c  o  m
    GL20.glEnableVertexAttribArray(VERTICIES_ATTRIB_INDEX);
    GL20.glEnableVertexAttribArray(NORMALS_ATTRIB_INDEX);
    if (texture != null) {
        GL20.glEnableVertexAttribArray(TEXTURE_ATTRIB_INDEX);
        texture.bindTexture();
    }

    if (shader != null) {
        shader.updateViewMatrix();
        shader.bindShader();
    }
}