#include <psemek/gfx/renderbuffer.hpp>

namespace psemek::gfx
{

	renderbuffer::renderbuffer()
	{
		gl::GenRenderbuffers(1, &id_);
	}

	renderbuffer::renderbuffer(renderbuffer && other)
	{
		id_ = other.id_;
		other.id_ = 0;
	}

	renderbuffer & renderbuffer::operator = (renderbuffer && other)
	{
		if (this == &other) return *this;

		gl::DeleteRenderbuffers(1, &id_);
		id_ = other.id_;
		other.id_ = 0;
		return *this;
	}

	renderbuffer::~renderbuffer()
	{
		gl::DeleteRenderbuffers(1, &id_);
	}

	renderbuffer renderbuffer::null()
	{
		return renderbuffer(0);
	}

	void renderbuffer::bind() const
	{
		gl::BindRenderbuffer(gl::RENDERBUFFER, id_);
	}

	void renderbuffer::storage(GLenum internal_format, GLsizei width, GLsizei height)
	{
		bind();
		gl::RenderbufferStorage(gl::RENDERBUFFER, internal_format, width, height);
	}

	renderbuffer::renderbuffer(GLuint id)
		: id_(id)
	{}

}