/***********************************************************************************************************************
 *
 * Copyright (c) 2010 - 2025 by Tech Soft 3D, Inc.
 * The information contained herein is confidential and proprietary to Tech Soft 3D, Inc., and considered a trade secret
 * as defined under civil and criminal statutes. Tech Soft 3D shall pursue its civil and criminal remedies in the event
 * of unauthorized use or misappropriation of its trade secrets. Use of this information by anyone other than authorized
 * employees of Tech Soft 3D, Inc. is granted only under a written non-disclosure agreement, expressly prescribing the
 * scope and manner of such use.
 *
 ***********************************************************************************************************************/

#include "ebo.h"

EBO::EBO(const array_of_indices& indices)
{
	glGenBuffers(1, &id);
	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id);
	glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(GLuint), indices.data(), GL_STATIC_DRAW);
}
EBO::EBO(const std::vector<array_of_indices>& array_of_indices)
{
	std::size_t start = 0;
	for (const auto& indices : array_of_indices)
	{
		glGenBuffers(1, &id);
		glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id);
		glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(GLuint), indices.data(), GL_STATIC_DRAW);
		start += indices.size() * sizeof(GLuint);
	}
}

void EBO::Bind()
{
	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id);
}

void EBO::Unbind()
{
	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}

void EBO::Delete()
{
	glDeleteBuffers(1, &id);
}