//
// Created by lukas on 03.02.22.
//

#include "IndexBuffer.h"
#include <GL/gl.h>

IndexBuffer::IndexBuffer(const unsigned *data, unsigned count): count(count) {
    glGenBuffers(1, &handle);
    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, handle);
    glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(unsigned) * count , data, GL_STATIC_DRAW);
}

IndexBuffer::~IndexBuffer() {
    glDeleteBuffers(1, &handle);
}

void IndexBuffer::Bind() const {
    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, handle);
}

void IndexBuffer::UnBind() const {
    glBindVertexArray(0);
}

unsigned IndexBuffer::getcount() const {
    return count;
}