Example usage for org.lwjgl.opengl GL15 glBufferSubData

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL15 glBufferSubData.

Prototype

public static void glBufferSubData(@NativeType("GLenum") int target, @NativeType("GLintptr") long offset,
        @NativeType("void const *") double[] data)

Source Link

Document

Array version of: #glBufferSubData BufferSubData

Usage

From source file:wrapper.vbo.Vbo.java

License:Open Source License

public void edit_data(ProgressiveBuffer[] b) {
    if (b[0].get_data() == null || b[1].get_data() == null) {
        return;//from   w w w  . j  a va  2  s  .co  m
    }
    vertex.clear();
    texture.clear();
    vertex = BufferUtils.createFloatBuffer(b[0].get_data().capacity());
    texture = BufferUtils.createFloatBuffer(b[1].get_data().capacity());
    b[0].get_data().rewind();
    b[1].get_data().rewind();
    vertex = b[0].get_data();
    texture = b[1].get_data();
    vertcount = b[0].get_data().capacity();

    vertex.rewind();
    texture.rewind();

    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vertid);
    GL15.glBufferSubData(GL15.GL_ARRAY_BUFFER, 0, vertex);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, texcoordid);
    GL15.glBufferSubData(GL15.GL_ARRAY_BUFFER, 0, texture);// doesnt
    // reassing
    // meaning its
    // more
    // efficient,
    // only for
    // removing
    // objects
}

From source file:wrapper.vbo.Vbo.java

License:Open Source License

public void clear_data() {
    vertex.clear();//from w w w  .  java 2s  .  c  o m
    texture.clear();
    vertex = BufferUtils.createFloatBuffer(vertcount);
    texture = BufferUtils.createFloatBuffer(vertcount);
    vertex.rewind();
    texture.rewind();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vertid);
    GL15.glBufferSubData(GL15.GL_ARRAY_BUFFER, 0, vertex);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, texcoordid);
    GL15.glBufferSubData(GL15.GL_ARRAY_BUFFER, 0, texture);
    vertcount = 0;

}

From source file:wrapper.vbo.Vbo.java

License:Open Source License

public void rebind(int size) {

    FloatBuffer temp = BufferUtils.createFloatBuffer(size);
    FloatBuffer temp_tex = BufferUtils.createFloatBuffer(size);
    vertex.rewind();/*  w ww.  j av  a  2  s.c  o  m*/
    maxlength = size;
    texture.rewind();
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vertid);// clear and generate
    // two new memory
    // locations with a
    // large amount of space
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, temp, GL15.GL_DYNAMIC_DRAW);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vertid);
    GL15.glBufferData(GL15.GL_ARRAY_BUFFER, temp_tex, GL15.GL_DYNAMIC_DRAW);
    // reassign the previous data to this , useful for string generation.
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, vertid);
    GL15.glBufferSubData(GL15.GL_ARRAY_BUFFER, 0, vertex);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, texid);
    GL15.glBufferSubData(GL15.GL_ARRAY_BUFFER, 0, texture);
    GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);

}