com.google.gapid.glviewer.gl.Buffer.java Source code

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Here is the source code for com.google.gapid.glviewer.gl.Buffer.java

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/*
 * Copyright (C) 2017 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.gapid.glviewer.gl;

import org.lwjgl.opengl.GL15;

/**
 * Helper object for GL buffers.
 */
public class Buffer {
    private final int target;
    private final int handle;
    private int size;

    public Buffer(int target) {
        this.target = target;
        this.handle = GL15.glGenBuffers();
    }

    public Buffer bind() {
        GL15.glBindBuffer(target, handle);
        return this;
    }

    public Buffer loadData(float[] data) {
        this.size = data.length * 4;
        GL15.glBufferData(target, data, GL15.GL_STATIC_DRAW);
        return this;
    }

    public Buffer loadData(int[] data) {
        this.size = data.length * 4;
        GL15.glBufferData(target, data, GL15.GL_STATIC_DRAW);
        return this;
    }

    public int getSize() {
        return size;
    }

    public void delete() {
        GL15.glDeleteBuffers(handle);
    }
}