float	mat[16];
		memset(&mat[0], 0, sizeof(mat));
		mat[0] = m_current_matrix.m_[0][0];
		mat[1] = m_current_matrix.m_[1][0];
		mat[4] = m_current_matrix.m_[0][1];
		mat[5] = m_current_matrix.m_[1][1];
		mat[10] = 1;
		mat[12] = m_current_matrix.m_[0][2];
		mat[13] = m_current_matrix.m_[1][2];
		mat[15] = 1;