#include <gl/GeometryBuffer.hpp>

GeometryBuffer::GeometryBuffer()
 : vbo(0), num(0)
{

}

GeometryBuffer::~GeometryBuffer()
{
	if(vbo != 0) {
		glDeleteBuffers(1, &vbo);
	}
}

void GeometryBuffer::uploadVertices(GLsizei num, GLsizeiptr size, const GLvoid* mem)
{
	if(vbo == 0) {
		glGenBuffers(1, &vbo);
	}
	this->num = num;
	glBindBuffer(GL_ARRAY_BUFFER, vbo);
	glBufferData(GL_ARRAY_BUFFER, size, mem, GL_STATIC_DRAW);
}