#include "ShaderProgram.h"

ShaderProgram::ShaderProgram()
{
	m_program = glCreateProgram();
	m_vao = gen_vao();
}

ShaderProgram::~ShaderProgram()
{
	glDeleteProgram(m_program);
}

void ShaderProgram::attach_shader(const Shader& shader)
{
	glAttachShader(m_program, shader.get_shader());
}

void ShaderProgram::link()
{
	glLinkProgram(m_program);
	// TODO: Error handling
}

void ShaderProgram::use()
{
	glUseProgram(m_program);
	glBindVertexArray(get_vao());
}

GLuint ShaderProgram::get_program() const
{
	return m_program;
}

GLuint ShaderProgram::get_vao() const
{
	return m_vao;
}